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 Pattern formation method patent thumbnailnew patent Pattern formation method
According to one embodiment, a pattern formation method includes forming a resist pattern on an underlying film, slimming the resist pattern, forming a pinning portion having affinity for a first polymer by depositing, on a surface of the slimmed resist pattern, an etching product produced by etching the underlying film, forming a neutral, film having affinity for the first polymer and a second polymer on the underlying film after the etching, forming a block copolymer film containing the first polymer and the second polymer on the pinning portion and the neutral film, forming a microphase separation pattern by applying a predetermined process to the block copolymer film to perform microphase separation.. .
Kabushiki Kaisha Toshiba


 Spin-on layer for directed self assembly with tunable neutrality patent thumbnailnew patent Spin-on layer for directed self assembly with tunable neutrality
Techniques disclosed herein include methods for creating a directed self-assembly tunable neutral layer that works with multiple different block copolymer materials. Techniques herein can include depositing a neutral layer and then post-processing this neutral layer to tune its characteristics so that the neutral layer is compatible with a particular block copolymer scheme or schemes.
Tokyo Electron Limited


 Low application temperature hot melt adhesive composition patent thumbnailnew patent Low application temperature hot melt adhesive composition
This invention claims low application temperature hot melt adhesive compositions including at least about 15% by weight of a first styrene block copolymer with a melt flow rate of at least about 15 g/10 minutes (190° c., 2.16 kgs) and a diblock content of no greater than about 10% by weight.. .
H.b. Fuller Company


 Polyoxymethylene nanoparticles patent thumbnailnew patent Polyoxymethylene nanoparticles
The synthesis of nanoparticles based on hyperbranched-linear-hyperbranched aba triblock copolymers with hyperbranched polyglycerol (hbpg) as a-block and linear poly(oxymethylene) as b-block is described. The acid-degradable nanoparticles were formed in a facile process, combining a solvent evaporation process with the miniemulsion technique resulting in particles with a diameter in the range of 190 to 250 nm and a standard deviation of ˜30% determined with dls and sem.
Ticona Gmbh


 Substrate comprising a surface coated with an epilamization agent and  epilamization of such a substrate patent thumbnailnew patent Substrate comprising a surface coated with an epilamization agent and epilamization of such a substrate
The disclosure relates to a substrate comprising a surface at least part of which is coated with an epilamization agent, the epilamization agent including at least one compound in the form of a block copolymer comprising at least one block of m units linked by covalent bonds by their main chains, and at least one block of n units linked by covalent bonds by their main chains, the blocks being connected to each other by covalent bonds by their main chains in linear sequences, where m is a and n is. .
The Swatch Group Research And Development Ltd


 Use of topography to direct assembly of block copolymers in grapho-epitaxial applications patent thumbnailUse of topography to direct assembly of block copolymers in grapho-epitaxial applications
A method is provided for forming a patterned topography on a substrate. The substrate is provided with features formed atop that constitute an existing topography, and a template for directed self-assembly (dsa) surrounds the exposed topography.
Tokyo Electron Limited


 Methodology to generate a guiding template for directed self-assembly patent thumbnailMethodology to generate a guiding template for directed self-assembly
A method of designing a feature guiding template for guiding self-assembly of block copolymer to form at least two features in a design layout for lithography, the feature guiding template including at least two portions joined by a bottleneck, the method including determining a characteristic of the feature guiding template based on at least a function of geometry of the feature guiding template including a value of a first width of at least one of the portions, a value of a second width of the bottleneck, or a value based on both the first width and the second width.. .
Asml Netherland B.v.


 Polarizer,  manufacturing the polarizer and display panel having the polarizer patent thumbnailPolarizer, manufacturing the polarizer and display panel having the polarizer
A method of manufacturing a polarizer includes forming a first layer on a base substrate, forming a first partition wall layer on the first layer, forming a second partition wall layer on the first partition wall, forming a plurality of first partition wall patterns and a plurality of second partition walls disposed on the first partition wall patterns by etching the first partition wall and the second partition wall at the same time, forming a block copolymer layer on the first layer on which the plurality of first partition wall patterns are formed, forming a plurality of fine patterns from the block copolymer layer, and patterning the first layer using the fine patterns and the second partition wall patterns as a mask.. .
Samsung Display Co., Ltd.


 Copolymer surfactants for use in downhole fluids patent thumbnailCopolymer surfactants for use in downhole fluids
Various embodiments disclosed relate to hydroxy-terminated poly(alkylene oxide) copolymer surfactants for use downhole, downhole compositions including the same, and methods of using the same. In various embodiments, the present invention provides a method of treating a subterranean formation.
Halliburton Energy Services, Inc.


 Styrene-butadiene block copolymers for tubing applications patent thumbnailStyrene-butadiene block copolymers for tubing applications
Conjugated diene monovinylarene block copolymers having superior kink resistance properties are disclosed. These copolymers can be used to produce tubing and other end-use articles, and can be a replacement for flexible pvc..
Chevron Phillips Chemical Company Lp


Compatibilized polyolefin blends


A comprising includes one or more polyethylene, one or more polypropylene, one or more polyolefin elastomer, and a crystalline block composite having the following three components: (i) a crystalline ethylene based polymer, (ii) a crystalline propylene based polymer, and (iii) a block copolymer having a crystalline ethylene based block and a crystalline propylene block. The composition of component (i) is the same as the crystalline ethylene based block of the block copolymer and the composition of component (ii) is the same as the crystalline propylene block of the block copolymer.
Dow Global Technologies Llc


Methods for controlling hardness of styrene-butadiene block copolymers


Methods for controlling properties of a conjugated diene monovinylarene block copolymer using a modifier during polymerization are disclosed. For instance, the shore a hardness of the copolymer can be decreased via the addition of the modifier compound..
Chevron Phillips Chemical Company Lp


Block copolymers for stable micelles


The present invention relates to the field of polymer chemistry and more particularly to multiblock copolymers and micelles comprising the same. Compositions herein are useful for drug-delivery applications..
Intezyne Technologies, Inc.



A method of producing a medical polyoxypropylene polymer and a polyoxypropylene/polyoxyethylene block copolymer including (a) adding to a polyoxypropylene polymer which is obtained by ring-opening polymerization of propylene oxide to a starting substance having an active hydrogen reacting with the propylene oxide and contains allyl ether as an impurity, a tertiary alkoxide of alkali metal in an excess amount based on a molar number of the active hydrogen of the starting substance and heat treating at 115° c. Or less to isomerize the allyl ether to propenyl ether; and (b) adding a mineral acid to the product obtained in step (a) to adjust ph to 4 or less and treating at 70° c.
Nof Corporation


Styrene-butadiene block copolymers for tubing applications


Conjugated diene monovinylarene block copolymers having superior kink resistance properties are disclosed. These copolymers can be used to produce tubing and other end-use articles, and can be a replacement for flexible pvc..
Chevron Phillips Chemical Company Lp


Vulcanization systems for curing block copolymer latex films


A method for the curing of aqueous latexes comprising block copolymers is disclosed. The block copolymers have the general formula a-b-a or a-b-y-(b-a)n.
Kraton Polymers U.s. Llc


Multi-layer dielectric film with nanostructured block copolymer


The disclosed concept relates to multi-layer dielectric film with nano- or micro-structured block copolymers, such as, but not limited to, di-block copolymers and tri-block copolymers, and, more particularly, to capacitors constructed from the film. More particularly, the disclosed concept provides the ability to tune or control one or more characteristics of the dielectric film and capacitors formed therefrom, by selecting and combining blocks that exhibit different electrical and/or mechanical properties..
Cooper Technologies Company


Method of monitoring live cells


And wherein the constructs comprise an amphiphilic block copolymer having a hydrophilic and hydrophobic block.. .

Block copolymers of polyacrylates and polyolefins


Wherein “po” is a polyolefin having a number average molecular weight of at least 300 g/mole, and “ar” is selected from the group consisting of c6 to c20 aryls, a c7 to c32 alkylaryls, a c6 to c20 aryloxys, and halogen substituted c6 to c20 aryls and c7 to c32 alkylaryls, while the other variables are as described herein. The block copolymers can be produced in an alkylation reaction between the desired polyacrylate and a vinyl/vinylidene-terminated polyolefin..

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Undercoat agent and forming pattern of layer containing block copolymer


An undercoat agent including a block copolymer having a plurality of blocks bonded formed on a substrate. The undercoat agent contains a resin component that includes a structural unit having an aromatic ring and a structural unit having no aromatic ring, and the resin component includes a group which can interact with the substrate and does not include a 3 to 7-membered, ether-containing cyclic group; and a method of forming a pattern of a layer containing a block copolymer.
Tokyo Ohka Kogyo Co., Ltd.


Primerless paint composition, methods of manufacture thereof and articles comprising the same


Disclosed herein is a primerless paint composition comprising a carboxylated chlorinated polyolefin elastomer; one or more of a polyacrylic binder, a polyvinylchloride binder and a vinyl aromatic block copolymer binder; a pigment; and a liquid carrier. Disclosed herein too is a method comprising blending a primerless paint composition comprising a carboxylated chlorinated polyolefin elastomer; one or more of a polyacrylic binder, polyvinylchloride binder and a vinyl aromatic block copolymer binder; a pigment; and a liquid carrier; and disposing the primerless paint composition on a polyolefin elastomer substrate that does not have a primer disposed on it prior to the disposing of the primerless paint composition..
Dow Global Technologies Llc


Block copolymer, producing block copolymer, and producing structure containing phase-separated structure


A block copolymer containing a first block having a structure represented by general formula (1) shown below (rs01 and rs02 each independently represents an organic group, provided that at least one of rs01 and rs02 has a polar group; and * represents a valence bond).. .
Tokyo Institute Of Technology


Compositions containing transparent polyamides for use in making golf balls


Multi-layered golf balls having at least one layer made of a polyamide composition containing a transparent polyamide polymer are provided. The transparent polyamide may be blended with other transparent or non-transparent polyamides.
Acushnet Company


Block copolymers and uses thereof


Block copolymers containing charged blocks or chemical moieties sensitive to oxidation or hydrolysis have been developed. We describe the use of such block copolymers in supramolecular structures, e.g., micelles or vesicles, and pharmaceutical compositions and in methods of preparing the supramolecular structures and pharmaceutical compositions.
École Polytechnique Fédérale De Lausanne (epfl)


Methods of forming patterns with block copolymer


A method of forming patterns includes forming a guide pattern and first peripheral patterns on an underlying layer. The guide pattern provides first openings and the first peripheral patterns provide a fifth opening used in alignment of the guide pattern.
Sk Hynix Inc.


Methods of forming patterns having different shapes


A method of forming patterns includes forming pillars and first peripheral patterns on an underlying layer, forming a separation wall layer covering sidewalls of the pillars and the first peripheral patterns, forming blocking portions on the separation wall layer to fill first openings between the first peripheral patterns, forming a block copolymer layer filling gap regions between the pillars, annealing the block copolymer layer to form first domains and a second domain surrounding the first domains, removing the first domains and removing portions of the separation wall layer to form second openings, removing the second domain and the blocking portions, removing the pillars and the first peripheral patterns to form third openings and fourth openings, and patterning the underlying layer to form fifth openings that extend from the second and third openings and sixth openings that extend from the fourth openings.. .
Sk Hynix Inc.


Copolymer formulation for directed self-assembly, methods of manufacture thereof and articles comprising the same


Disclosed herein is a pattern forming method comprising providing a substrate devoid of a layer of a brush polymer; disposing upon the substrate a composition comprising a block copolymer comprising a first polymer and a second polymer; where the first polymer and the second polymer of the block copolymer are different from each other; and an additive polymer where the additive polymer comprises a bottlebrush polymer; where the bottlebrush polymer comprises a polymeric chain backbone and a grafted polymer that are bonded to each other; and where the bottlebrush polymer comprises a polymer that is chemically and structurally the same as one of the polymers in the block copolymer or where the bottlebrush polymer comprises a polymer that has a preferential interaction with one of the blocks of the block copolymers; and a solvent; and annealing the composition to facilitate domain separation between the first polymer and the second polymer.. .
The Regents Of The University Of California


Substrate for a label laminate, a label laminate and a manufacturing a label laminate


The invention relates to a label laminate and a release liner of the label laminate. According to an embodiment release liner comprises a substrate comprising propylene block copolymer.
Upm Raflatac Oy


Copolymer formulation for directed self-assembly, methods of manufacture thereof and articles comprising the same


Disclosed herein is a pattern forming method comprising disposing upon a substrate a composition comprising a block copolymer; where the block copolymer comprises a first polymer and a second polymer; where the first polymer and the second polymer of the block copolymer are different from each other and the block copolymer forms a phase separated structure; an additive polymer; where the additive polymer comprises a bottlebrush polymer; and where the bottlebrush polymer comprises a polymer that has a lower or a higher surface energy than the block copolymer; and a solvent; and annealing the composition to facilitate domain separation between the first polymer and the second polymer of the block copolymer to form a morphology of periodic domains formed from the first polymer and the second polymer; where a longitudinal axis of the periodic domains are parallel to the substrate.. .
The Regents Of The University Of California


Copolymer formulation for directed self-assembly, methods of manufacture thereof and articles comprising the same


Disclosed herein is a composition comprising a block copolymer; where the block copolymer comprises a first polymer and a second polymer; where the first polymer and the second polymer of the block copolymer are different from each other and the block copolymer forms a phase separated structure; an additive polymer; where the additive polymer comprises a bottlebrush polymer; and where the bottlebrush polymer comprises a polymer that is chemically and structurally the same as one of the polymers in the block copolymer or where the bottlebrush polymer comprises a polymer that has a preferential interaction with one of the blocks of the block copolymers; and a solvent.. .
The Regents Of The University Of California


Copolymer formulation for directed self-assembly, methods of manufacture thereof and articles comprising the same


Disclosed herein is a composition comprising a block copolymer; where the block copolymer comprises a first polymer and a second polymer; where the first polymer and the second polymer of the block copolymer are different from each other and the block copolymer forms a phase separated structure; an additive polymer; where the additive polymer comprises a bottle brush polymer; where the bottle brush polymer comprises a homopolymer that is the chemically and structurally the same as one of the polymers in the block copolymer or where the additive polymer comprises a graft copolymer that has a preferential interaction with one of the blocks of the block copolymers; and a solvent.. .
The Regents Of The University Of California


Elastic monofilm and making a disposable hygiene article


The invention relates to an elastic monofilm having a film thickness between 20 μm and 100 μm, comprising an asymmetric styrene-diene triblock copolymer at a content between 35 wt % and 90 wt % as a first polymer substance a and comprising a second polymer substance b. According to the invention, polystyrene is provided at a content between 8 wt % and 40 wt % as the second polymer substance b..
Mondi Gronau Gmbh


Reactive functional siloxane compositions


Disclosed herein are compositions, comprising linear polydiorganosiloxanes having enhanced reactivity and their use to prepare polydiorganosiloxane-polyorgano block copolymers.. .
Momentive Performance Materials Gmbh


Strip, manufacturing the same, and manufacturing pneumatic tire


A strip of a thermoplastic elastomer to be wound spirally on a cylindrical drum for forming an inner liner for a tire having a shape close to a finished sectional shape is provided. The strip is formed of composite layers of (a) a first layer made of a styrene-isobutylene-styrene triblock copolymer and (b) a second layer containing at least one of a styrene-isoprene-styrene triblock copolymer and a styrene-isobutylene diblock copolymer.
Sumitomo Rubber Industries, Ltd.


Polystyrene-b-polyethylene oxide block copolymer membranes, methods of making, and methods of use


Embodiments of the present disclosure provide for polystyrene-b-polyethylene oxide (ps-b-peo) block copolymer nanoporous membranes, methods of making a ps-b-peo block copolymer nanoporous membrane, methods of using ps-b-peo block copolymer nanoporous membranes, and the like.. .
King Abdullah University Of Science And Technology


Viscosifier comprising filamentous polymer particles


The invention relates to the use of polymer particles in the form of filaments formed by block copolymers, as viscosifiers or agents that modify the rheology of organic or aqueous solutions. More specifically, the invention relates to the use of said crosslinked filamentous polymer particles for improving the resistance to heat ageing of an organic or aqueous solution..
Centre National De La Recherche Scientifique


Polymerized ionic liquid block copolymers as battery membranes


The present invention is directed to compositions useful for use in separators for use in lithium ion batteries, and membranes, separators, and devices derived therefrom.. .
The Trustees Of The University Of Pennsylvania


Methods for fabricating integrated circuits using directed self-assembly including a substantially periodic array of topographical features that includes etch resistant topographical features for transferability control


Methods for fabricating integrated circuits are provided. In one example, a method for fabricating an integrated circuit includes forming a substantially periodic array of a plurality of topographical features including a plurality of etch resistant topographical features and at least one graphoepitaxy feature.
Globalfoundries, Inc.


Dna transport control device and producing same, as well as dna sequencing device


The purpose of the present invention is to provide a dna transport control device having excellent reliability and durability, and a dna sequencing device that uses the dna transport control device. The present invention provides a dna transport control device having a nanopore which allows for the passage of only the dna strand of a single molecule, and a dna sequencing device that uses the dna transport control device.
Hitachi High-technologies Corporation


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Hot-melt adhesive composition


Provided are an adhesive composition suitable for a hot-melt adhesive which has a low tack and which after adhering to an adherend and through heat treatment comes to have sufficient adhesive force; and an adhesive product using the adhesive composition. The hot-melt adhesive composition includes an acrylic block copolymer (i) having at least one polymer block (a) including methacrylic acid ester units and at least one polymer block (b) including acrylic acid ester units, wherein the acrylic acid ester units constituting the polymer block (b) contain an acrylic acid ester (1) represented by ch2═ch—coor1 (1) (wherein r1 is an organic group having 1 to 3 carbon atoms) and an acrylic acid ester (2) represented by ch2═ch—coor2 (2) (wherein r2 is an organic group having 4 to 12 carbon atoms), and a mass ratio (1)/(2) of the acrylic acid ester (1) to the acrylic acid ester (2) is 90/10 to 25/75..
Kuraray Co., Ltd.


Nanoparticle and gelation stabilized functional composites of an ionic salt in a hydrophobic polymer matrix


A controlled released composite membrane comprising hydrophobic styrene-butadienestyrene block copolymer as hydrophobic continuous medium and hydrophilic functional agents incorporated within silica nanoparticles as hydrophilic dispersed medium and a preparation process of said membrane are described.. .
Koc Universitesi


Hybrid topographical and chemical pre-patterns for directed self-assembly of block copolymers


Hybrid pre-patterns were prepared for directed self-assembly of a given block copolymer capable of forming a lamellar domain pattern. The hybrid pre-patterns have top surfaces comprising independent elevated surfaces interspersed with adjacent recessed surfaces.
International Business Machines Corporation


Phase segregated block copolymers with tunable properties


The phase segregated block copolymer has a weight average molecular weight of from 40 000 to 120 000.. .

Block copolymers with surface-active junction groups, compositions and processes thereof


Z is a moiety independently selected from, a fluorine containing moiety, a si1-si8 siloxane containing moiety or a hydrocarbon moiety with at least 18 carbons, and further wherein the junction group x(y(z)b)a has a surface energy less than that that of the block a and less than that of the block b. The invention also relates to a composition comprising the novel copolymer and its use in direct self-assembly processes..

Thermoplastic polymer composition, layered body, and protective film


Wherein w(a-1), w(a-2), w(a-3) and w(a- 4) represent the contents (on a mass basis) of the aromatic vinyl-based block copolymer (a-1), acrylic polymer (a-2), olefin-based polymer containing polar groups (a-3) and softening agent (a-4), respectively, in the thermoplastic polymer composition.. .

Mucoadhesive nanoparticle composition comprising immunosuppresant and methods of use thereof


Disclosed is a mucoadhesive nanoparticle delivery system for delivering an immunosuppressant, such as cyclosporine a, to a mucosal site for treatment of a disease or condition involving inflammation or excess immune activity. The system comprises nanoparticles formed from a plurality of linear amphiphilic block copolymers, each having a hydrophobic block comprising polylactide (pla) and a hydrophilic block comprising dextran.
University Of Waterloo


Bi-functional co-polymer use for ophthalmic and other topical and local applications


The invention contemplates a copolymer which is a graft or block copolymer useful to change wettability and surface characteristics of biological surfaces. Methods for use of these formulations and coatings to change wettability and sterically stabilize, and lubricate biological surfaces in a subject, for example, in the treatment of dry eye syndrome, and to prevent adherence of unwanted proteins, for example in the treatment of contact lens intolerance, are provided..
Eyeon Particle Sciences Llc


Self-assembled brush block copolymer-nanoparticles for drug delivery


The invention provides amphiphilic liquid crystalline brush block copolymers that can readily self-assemble to nanoparticles in aqueous solutions and also allow for encapsulation of hydrophobic pharmaceutically active molecules.. .
University Of Connecticut


Pharmaceutical ophthalmic compositions and methods for fabricating thereof


Pharmaceutical ophthalmic compositions are described, the compositions consisting essentially of a therapeutically effective quantity of an anti-bacterial agent (such as moxifloxacin), a therapeutically effective quantity of an anti-inflammatory agent (such as prednisolone), a combination of at least two solubilizing and suspending agents (of which one is a non-ionic polyoxyethlene-polyoxypropylene block copolymer), and a carrier. Methods for fabricating the compositions and using them are also described..
Imprimis Pharmaceuticals, Inc.


Methods of forming patterns


Methods of forming patterns includes guide patterns on a neutral layer. A self-assembling block copolymer (bcp) layer on the guide patterns and the neutral layer.
Sk Hynix Inc.


Flame retardant block copolymers from renewable feeds


A flame retardant block copolymer is prepared from renewable content. In an exemplary synthetic method, a bio-derived flame retardant block copolymer is prepared by a ring opening polymerization of a biobased cyclic ester and a phosphorus-containing polymer.
International Business Machines Corporation


Flame retardant block copolymers from renewable feeds


A flame retardant block copolymer is prepared from renewable content. In an exemplary synthetic method, a bio-derived flame retardant block copolymer is prepared by a ring opening polymerization of a biobased cyclic ester and a phosphorus-containing polymer.
International Business Machines Corporation


Fluoro-alcohol additives for orientation control of block copolymers


A film layer comprising a high-chi (χ) block copolymer for self-assembly and a hexafluoroalcohol-containing surface active polymer (sap) was prepared on a substrate surface that was neutral wetting to the domains of the self-assembled block copolymer. The block copolymer comprises at least one polycarbonate block and at least one other block (e.g., a substituted or unsubstituted styrene-based block).
International Business Machines Corporation


Resin composition and molded article thereof


The resin composition of the present invention comprises (a) a polypropylene-based resin, (b) a polyphenylene ether-based resin, and (c) a first hydrogenated block copolymer-based resin and further comprises (d) an ethylene-α-olefin copolymer rubber and/or (e) a second hydrogenated block copolymer-based resin.. .
Asahi Kasei Kabushiki Kaisha


Graphene nanoribbon-based gas barrier composites and methods of making the same


In some embodiments, the present disclosure pertains to gas barrier composites that include a polymer matrix and graphene nanoribbons dispersed in the polymer matrix. The polymer matrix can include a phase-separated block copolymer with a hard phase domain and a soft phase domain.
William Marsh Rice University


Polydiorganosiloxane-polycarbonate block copolymers


Disclosed herein are polydiorganosiloxane-polycarbonate block copolymers having desirable optical properties, and methods of making such block copolymers. Also disclosed herein are analytical methods for evaluating hydroxyaryl end-capped polydialkylsiloxane monomers..
Sabic Global Technologies B.v.


Method of producing nanopatterned articles, and articles produced thereby


Nanopatterned surfaces are prepared by a method that includes forming a block copolymer film on a substrate, annealing and surface reconstructing the block copolymer film to create an array of cylindrical voids, depositing a metal on the surface-reconstructed block copolymer film, and heating the metal-coated block copolymer film to redistribute at least some of the metal into the cylindrical voids. When very thin metal layers and low heating temperatures are used, metal nanodots can be formed.
The University Of Massachusetts


Eo/po block copolymers useful as stabilizers for pur foams


The invention relates to compositions for producing hydrophilicized polyurethane foams, in particular for wound management, wherein the composition, containing a polyurethane dispersion and specific additives, is frothed and dried.. .
Covestro Deutschland Ag


Damping thermoplastic elastomers


A thermoplastic elastomer compound includes styrenic block copolymer and high softening point tackifier. The styrenic block copolymer has a copolymer tan delta peak temperature and the thermoplastic elastomer compound has a compound tan delta peak temperature.
Polyone Corporation


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Multiblock copolymer films with inorganic nanoparticles, methods of making same, and uses thereof


Asymmetric organic-inorganic films and methods for forming and using such films. For example, the films are used as membranes for selective separation applications.
Cornell University


Film with adjustable water vapor-permeability


Hydrophobic breathable film based on a polymer mixture of a) at least one hydrophilic elastomer block copolymer made of at least one polyamide block and at least one polyalkylene oxide block and b) at least one thermoplastic polymer, which regulates the steam-permeability of the breathable film.. .
Infiana Germany Gmbh & Co. Kg


Method for producing block copolymer, and block copolymer obtained using same


The present invention provides a method for producing a block copolymer, which includes subjecting styrene or a derivative thereof (excluding α-methylstyrene) to living anionic polymerization in the presence of a polymerization initiator by means of a microreactor having a channel being capable of mixing a plurality of liquids with each other, reacting a propagation end of the resultant polymer block (a) derived from styrene or a derivative thereof with α-methylstyrene to obtain an intermediate polymer having a polymer unit (b) derived from α-methylstyrene bonded to one end of the polymer block (a), and then subjecting a)meth)acrylate compound (c) to living anionic polymerization in the presence of a polymerization initiator so that the polymer unit (b) derived from α-methyl styrene in the intermediate polymer serves as a propagation end to form a polymer block (c) derived from the)meth)acrylate compound (c). .
Dic Corporation


Peg or peg block copolymer for treating colorectal cancer


The present invention relates to methods for and of treating, ameliorating or preventing colorectal cancer (crc) in humans using polyethylene glycol (peg) or a peg block-copolymer such as pluronic® f68. Compositions for use in treating, ameliorating and/or preventing crc comprising peg are also disclosed.
Norgine Bv


Polymeric micelle particle comprising anionic drugs and preparing the same


Disclosed are an anionic drug-containing polymeric micelle particle comprising: an anionic drug as an active ingredient; a cationic lipid; and an amphiphilic block copolymer, wherein the anionic drug forms a complex with the cationic lipid, and the complex is entrapped in the micelle structure of the amphiphilic block copolymer, and a method for preparing the same. The particle may increase stability of the anionic drug in blood or in a body fluid, and it may enable intracellular delivery to improve efficacy of anionic drugs..
Samyang Biopharmaceuticals Corporation


Process for degassing crosslinked power cables


A power cable comprising: (a) a conductor, (b) an insulation layer, and (c) a semiconductor layer comprising in weight percent based on the weight of the semiconductor layer: (1) 49-98% of a crosslinked olefin block copolymer (obc) having a density less than (<) 0.9 grams per cubic centimeter (g/cm3), a melt index greater than (>) 1, and comprising in weight percent based on the weight of the obc: (a) 35-80% soft segment that comprises 5-50 mole percent (mol %) of units derived from a monomer comprising 3 to 30 carbon atoms; and (b) 20-65% hard segment that comprises 0.2-3.5 mol % of units derived from a monomer comprising 3 to 30 carbon atoms; (2) 2-51% conductive filler, the insulation layer and semiconductor layer in contact with one another, is degassed by a process comprising the step of exposing the cable to a temperature of at least 80° c. For a period of time of at least 24 hours..
Dow Global Technologies Llc


Developer quantity control blade having blade member composed of a thermoplastic elastomer composition and image forming apparatus


A developer quantity control blade is provided which can sufficiently impart charge to toner and which allows bleeding of a material from a blade member to be suppressed even in application of a voltage. The developer quantity control blade includes a supporting member and a blade member, wherein the blade member is composed of a thermoplastic elastomer composition including a block copolymer having a polyamide structure and a polyether structure, and an ion conductive agent; in the blade member, a quantity of an extraction component to be extracted with methyl isobutyl ketone as a solvent is 0.5% by mass or more and 2.4% by mass or less; and a quantity of a molecule having a molecular weight of 5000 or less in the extraction component is 70% by mass or more..
Canon Kabushiki Kaisha


Performance apao hot melt adhesives containing high melt flow rate hydrogenated styrene block copolymers


Adding a compatible high melt flow rate (mfr), low melt viscosity, hydrogenated styrene block copolymer to amorphous poly alpha-olefins (apaos) results in adhesives that show acceptably high elongation and tensile strength, and which, when applied by different hot melt application methods onto elastic strands, result in personal hygiene article components that perform comparably to such components assembled using just styrene block copolymer components formulated with compatible tackifiers, processing oils and other additives.. .
Rextac Llc.


Method and compositions for synthesizing improved silk fibers


The present disclosure provides methods and compositions for directed to synthetic block copolymer proteins, expression constructs for their secretion, recombinant microorganisms for their production, and synthetic fibers (including advantageously, microfibers) comprising these proteins that recapitulate many properties of natural silk. The recombinant microorganisms can be used for the commercial production of silk-like fibers..
Bolt Threads, Inc.


Novel block copolymer and micelle compositions and methods of use thereof


Wherein r′ is —h or —ch3, wherein r is —nr1r2, wherein r1 and r2 are alkyl groups, wherein r1 and r2 are the same or different, wherein r1 and r2 together have from 5 to 16 carbons, wherein r1 and r2 may optionally join to form a ring, wherein n is 1 to about 10, and wherein x is about 20 to about 200 in total. Also provided are ph-sensitive micelle compositions for therapeutic and diagnostic applications..

Methods of forming a nanostructured polymer material including block copolymer materials


Methods for fabricating sub-lithographic, nanoscale microstructures utilizing self-assembling block copolymers, and films and devices formed from these methods are provided.. .
Micron Technology, Inc.


Tie-layer adhesives fr styrene polymers and articles


Adhesive compositions for styrene polymers are provided. The adhesives are suitable for use as tie-layers in multi-layer films and sheets and comprise a polyolefin base resin, a functionalized polyolefin and a combination of styrene triblock copolymers..
Equistar Chemicals, Lp


Methods of purifying a block copolymer and methods of forming a pattern using the block copolymer


The inventive concepts provide methods of purifying a block copolymer and methods of forming a pattern using the same. The purifying method is performed using a first adsorbent.
Samsung Electronics Co., Ltd.


Curable composition for printed circuit board, and cured coating film and printed circuit board incorporating same


Provided are: a curable composition that has excellent flexibility and shows excellent adhesion to both a plastic substrate and a conductor layer; a coating film of the curable composition; and a printed circuit board comprising a pattern-cured coating film obtained from the coating film. The present invention relates to: a curable composition for a printed circuit board, which is characterized by comprising (a) a block copolymer, (b) a hydroxyl group-containing (meth)acrylate compound and (c) a photopolymerization initiator; a coating film obtained by photo-curing the curable composition; and a printed circuit board comprising a resist pattern formed from the coating film..
Taiyo Ink Mfg Co., Ltd.


Method for producing sterilized medical formed article


A method is disclosed for producing a sterilized medical formed article that includes applying high-energy rays to a medical formed article at an exposure e. The medical formed article is formed of a resin composition that includes a hydrogenated block copolymer and a phenol-based antioxidant.
Zeon Corporation


Sticky cleaner for removing organic dirt


A sticky cleaner is provided for use in removing organic dirt stuck on a surface of an article. The sticky cleaner comprises a dirt-collecting member that collects the organic dirt as it makes contact with the surface of the article.
Nitto Denko Corporation


Methodology to generate guiding templates for directed self-assembly


A method of determining a characteristic of a guiding template for guiding self-assembly of block copolymer to form an entirety of a design layout, or a portion thereof, including a plurality of design features, each design feature including one or more elemental features, the method including selecting a characteristic of a guiding template for each of the one or more elemental features of the plurality of design features from a database or a computer readable non-transitory medium, the database or the computer readable non-transitory medium storing a characteristic of a guiding template for each of the one or more elemental features, and determining the characteristic of the guiding template to form the entirety of the design layout, or the portion thereof, by combining the selected characteristic of the guiding template for the one or more elemental features for each of the plurality of design features.. .
Asml Netherlands B.v.


Modified acrylic block copolymer, producing same, and intended use of same


A modified acrylic block copolymer is obtained by a method comprising subjecting a block copolymer (c) to a reaction with an amine compound, wherein the block copolymer comprises a polymer block (a) comprising a (meth)acrylic acid ester unit (a) and a polymer block (b′) comprising a (meth)acrylic acid ester unit (b′), the (meth)acrylic acid ester unit (a) is structurally different from the (meth)acrylic acid ester unit (b′), thereby partly or entirely converting the (meth)acrylic acid ester unit (b′) into at least one selected from the group consisting of an n-substituted (meth)acrylamide unit (d), a (meth)acrylic acid unit (c), and an n-substituted bis((meth)acryl)amide unit (e).. .
Kuraray Co., Ltd.


Compositions of resin-linear organosiloxane block copolymers


The present disclosure provides hydrosilylation curable compositions comprising resin linear organosiloxane block copolymers comprising, among other things, from about 0.5 to about 5 mole % c1 to c30 hydrocarbyl group comprising at least one aliphatic unsaturated bond. Such hydrosilylation curable resin-linear organosiloxane block copolymers have significantly faster cure speed, relative to their condensation curable counterparts.
Dow Corning Corporation


Block copolymer


A block copolymer, a method for preparing a block copolymer, a resin composition, and a film are provided. The block copolymer can be useful in inhibiting complete separation of the hard segment even under a severe high-temperature condition by increasing the chemical cross-linking density around the hard segment without causing an increase in glass transition temperature of the hard segment, thereby maintaining high-temperature durability..
Lg Chem, Ltd.


Polymer nanoparticle composite and composition for mri imaging including same


The present invention provides a safe polymer nanoparticle composite with few side effects, and an mri contrast agent incorporating said polymer nanoparticle composite. The polymer nanoparticle composite is capable of specifically accumulating on a tumor tissue to selectively extract the tissue, exhibiting high contrast even when used in small amounts, and enabling imaging over prolonged periods of time.
The University Of Tokyo


Block copolymers


Described herein are block copolymers, and methods of making and utilizing such copolymers. The described block copolymers are disruptive of a cellular membrane, including an extracellular membrane, an intracellular membrane, a vesicle, an organelle, an endosome, a liposome, or a red blood cell.
Phaserx, Inic.


Material to prevent post surgical infection


Biodegradable triblock copolymer compositions are provided which are useful in preventing and inhibiting bleeding and infection following surgery. The copolymers are reverse thermal gels in that when heated from a lower temperature to a higher temperature, they gel.
University Of Pittsburgh - Of The Commonwealth System Of Higher Education


Bi-functional co-polymer use for ophthalmic and other topical and local applications


The invention contemplates a copolymer which is a graft or block copolymer useful to change wettability and surface characteristics of biological surfaces. Methods for use of these formulations and coatings to change wettability and sterically stabilize, and lubricate biological surfaces in a subject, for example, in the treatment of dry eye syndrome, and to prevent adherence of unwanted proteins, for example in the treatment of contact lens intolerance, are provided..
Eyeon Particle Sciences Llc


Etching method


Provided is a method of etching an etching target layer of a workpiece. The method includes forming a self-assemblable block copolymer layer containing a first polymer and a second polymer on an intermediate layer formed on the etching target layer; processing the workpiece to form a first region containing the first polymer and a second region containing the second polymer, from the block copolymer layer; after the processing the workpiece, forming a mask by etching the second region and the intermediate layer just below the second region; after the forming the mask, forming a protective film on the mask by generating plasma of a processing gas containing silicon tetrachloride gas and oxygen gas within a processing container of a plasma processing apparatus that accommodates the workpiece; and after the forming the protective film, etching the etching target layer..
Tokyo Electron Limited


Aqueous liquid composition


An aqueous liquid composition, which may be used as a light duty hand dishwashing composition, comprising (i) at least one surfactant, (ii) at least one polyethylene oxide-polypropylene oxide block copolymer which is present in an amount of at least 0.4 weight % based on the weight of the composition, (iii) ethanol which is present in an amount of from 0.5 to 5 weight % based on the weight of the composition, and (iv) water. The mixture of in the polyethylene oxide-polypropylene oxide block copolymer and ethanol can inhibit or prevent gelling of the composition at a temperature below 0 c..
Colgate-palmolive Company


Low-friction fluorinated coatings


Low-friction fluorinated coatings are disclosed herein. A preferred low-friction material contains a low-surface-energy fluoropolymer having a surface energy between about 5 mj/m2 to about 50 mj/m2, and a hygroscopic material that is covalently connected to the fluoropolymer in a triblock copolymer, such as peg-pfpe-peg.
Hrl Laboratories, Llc


Image recording method, ink, and liquid composition


An image recording method including the steps of applying an ink containing a coloring material and anionic resin particles to a recording medium, and applying a liquid composition to the recording medium so as to at least partly overlap with an area where the ink is applied. The liquid composition destabilizes a dispersion state of the coloring material or of the anionic resin particles in the ink.
Canon Kabushiki Kaisha


Rubber composition for tires, and pneumatic tire manufactured using same


The present technology is a rubber composition for a tire comprising: a diene rubber; and a composite silica comprising a block copolymer and silica, the block copolymer comprising a first block obtained by polymerizing a first monomer containing at least a (meth)acrylate having a hydroxyl group and a second block obtained by polymerizing at least one type of a second monomer selected from the group consisting of styrene, derivatives thereof, and isoprene; the composite silica being produced in an organic solvent in the presence of the silica; and an amount of the composite silica being from 10 to 200 parts by mass per 100 parts by mass of the diene rubber; and a pneumatic tire using the same.. .
Tohoku Techno Arch Co., Ltd.


Precursor polyelectrolyte complexes compositions


The invention relates to compositions and methods of treatment employing compositions comprising polyelectrolyte complexes. The compositions include a water-soluble first polyelectrolyte bearing a net cationic charge or capable of developing a net cationic charge and a water-soluble second polyelectrolyte bearing a net anionic charge or capable of developing a net anionic charge.
The Clorox Company


High density membrane protein membranes


Embodiments of the invention provide methods for preparing high density membrane protein membranes by slow, controlled removal of detergent from mixtures of detergent, block copolymers and membrane protein mixtures. Membranes created by this method are also provided.
President And Fellows Of Harvard College


Resin composition for sealant layer of battery packaging material


A resin composition can impart high insulating properties, sealing properties, and moldability to a battery packaging material. A resin composition minimizes cracks when used in the sealant layer of a battery packaging material and a heat seal section of the material is bent, and can impart high insulating properties.
Dai Nippon Printing Co., Ltd.


Semiconductor memory device and manufacturing same


According to one embodiment, a method for manufacturing a semiconductor memory device includes forming a stacked body by alternately stacking an insulating film and a conductive film. The method includes forming a trench in the stacked body.
Kabushiki Kaisha Toshiba


Liquid crystal display having improved color reproduction


A liquid crystal display according to an exemplary embodiment of the present invention includes: a display panel, and a color conversion layer coupled to the display panel and having a color conversion layer, where the color conversion layer includes a block copolymer including a first copolymer and a second copolymer, and quantum rods dispersed within the block copolymer. The block copolymer includes a first block structure unit formed by the first copolymer; and a second block structure unit formed by the second copolymer, where the quantum rods is are disposed within either one of the first block structure unit and the second block structure unit..
Samsung Display Co., Ltd.


Brush composition, and producing structure containing phase-separated structure


A brush composition used for phase-separation of a layer containing a block copolymer having plural kinds of blocks bonded formed on a substrate, the brush composition including a resin component, the resin component having a structural unit (u1) represented by genera formula (u1-1), and having a hydroxy group on at least one terminal portion of the main chain thereof: in formula (u1-1), r represents a hydrogen atom, an alkyl group of 1 to 5 carbon atoms or a halogenated alkyl group of 1 to 5 carbon atoms; r1 represents a halogen atom, or a linear, branched or cyclic hydrocarbon group of 1 to 20 carbon atoms optionally containing an oxygen atom, a halogen atom or a silicon atom, or a combination of the linear, branched or cyclic hydrocarbon group; and p represents an integer of 1 to 5.. .
Tokyo Ohka Kogyo Co., Ltd.


Brush composition and producing structure containing phase-separated structure


A brush composition used for phase-separation of a layer containing a block copolymer on a substrate, the brush composition including a resin component (n), the resin component (n) containing a hydrophobic structural unit (nx) and a hydrophilic structural unit (ny), the amount of the structural unit (ny) within the resin component (n) being 5 mol % or less.. .
Tokyo Ohka Kogyo Co., Ltd.


Macroinitiator containing hydrophobic segment


The present invention relates to macroinitiators comprising at least one hydrophobic segments in a molecule, wherein a molecular weight of the hydrophobic segment is 300 to 1800. The present invention further relates to block copolymers, wetting agent and polymeric materials having the block copolymers of the present invention associated with, which is suitable for medical devices, particularly for ophthalmic devices, including contact lenses, ophthalmic lenses, punctal plugs and artificial corneas..
Johnson & Johnson Vision Care, Inc.


Injectable, non-aqueous suspension with high concentration of therapeutic agent


An injectable, nonaqueous suspension including at least one therapeutic agent suspended in a single component vehicle. The single component vehicle is a single amphiphilic material, such as a polyethoxylated castor oil or derivative thereof a polyoxyethylene alkyl ether, a polyoxyethylene sorbitan fatty acid ester, a polyoxyethylene stearate, a block copolymer of polyethylene oxide-polypropylene oxide-polyethylene oxide, a block copolymer of polypropylene oxide-polyethylene oxide-polypropylene oxide, a tetra-functional block copolymer of polyethylene oxide-polypropylene oxide, or a tetra-functional block copolymer of polypropylene oxide-polyethylene oxide.
Durect Corporation


Solid formulations of liquid biologically active agents


The instant invention relates to a solid product comprising a liquid biologically active agent which is intimately associated to a stabilizing agent; particularly a solid product that can be reconstituted to a clear, stable, stabilized nanodispersion or loaded micelles comprising a polymer as a stabilizing agent and a liquid, preferably water immiscible, biologically active agent. The instant invention is further directed toward a process for the production of the above solid product; particularly to micelles or nanodispersions produced by hydration of a cake or powder of the solid product, produced via an effective treatment of a stabilized solution comprising for example a polymer as a stabilizing agent, such as an amphiphilic block copolymer or a small molecular weight surfactant, loaded with a liquid biologically active agent, such as propofol, an optional additive, and a suitable solvent..
Paladin Labs (barbados) Inc.


Liposomal curcumin for treatment of cancer


The present invention provides a compositions and methods for the treatment of cancer, including pancreatic cancer, breast cancer and melanoma, in a human patient. The methods and compositions of the present invention employ curcumin or a curcumin analogue encapsulated in a colloidal drug delivery system, preferably a liposomal drug delivery system.
Board Of Regents, The University Of Texas System


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Use of pbo-peo-pbo block copolymers in ophthalmic compositions


The use of poly(oxybutylene)-poly(oxyethylene)-poly(oxybutylene) block copolymers in pharmaceutical compositions useful for modifying the surfaces of contact lenses and other medical devices is disclosed. The present invention is based in-part on a discovery that this class of compounds is particularly efficient in wetting hydrophobic surfaces, such as the surfaces of silicone hydrogel contact lenses and other types of ophthalmic lenses, but do not induce foaming when used in conjunction with a peroxide-based contact lens disinfection regimen.
Alcon Research, Ltd.


Non-volatile photonic material and production the same


A photonic material capable of reflecting part of the light rays in a wavelength region from near-ultraviolet light to near-infrared light. The photonic material contains a block copolymer including a plurality of different polymer chains connected to one another.



Block Copolymer topics:
  • Block Copolymer
  • Calcium Carbonate
  • Monovalent
  • Line Array
  • Semiconductor
  • Pyrrolidone
  • Hydrogen Peroxide
  • Propylene Oxide
  • Ethylene Oxide
  • Organosiloxane


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