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Block Copolymer patents



      

This page is updated frequently with new Block Copolymer-related patent applications.




Date/App# patent app List of recent Block Copolymer-related patents
05/19/16
20160141184 
 Dry development and image transfer of si-containing self-assembled block copolymers patent thumbnailDry development and image transfer of si-containing self-assembled block copolymers
Provided herein are methods of selectively etching silicon-containing block copolymer (bcp) materials. The methods involve exposing a bcp material that includes at least one silicon-containing block and at least one non-silicon-containing block to a plasma that has a reducing chemistry.
Lam Research Corporation


05/19/16
20160139302 
 Formation of antireflective surfaces patent thumbnailFormation of antireflective surfaces
Technologies are described for methods and systems effective for etching nanostructures in a substrate. The methods may comprise depositing a patterned block copolymer on the substrate.
Brookhaven Science Associates, Llc


05/19/16
20160138169 
 Method of forming a fine pattern patent thumbnailMethod of forming a fine pattern
A method of forming a fine pattern includes providing a first metal layer on a base substrate, providing a first passivation layer on the first metal layer, providing a mask pattern on the first passivation layer, providing a partitioning wall pattern having a reverse taper shape by etching the first passivation layer, coating a composition having a block copolymer between the partitioning wall patterns adjacent each other, providing a self-aligned pattern by heating the composition, and providing a metal pattern by etching the first metal layer using the self-aligned pattern as a mask.. .
Samsung Display Co., Ltd.


05/19/16
20160137831 
 Propylene-based block copolymer patent thumbnailPropylene-based block copolymer
An object of the present invention is to prevent an occurrence of flow-mark molding defects to improve an appearance of molded articles, and as a means for achieving the object, a propylene-based block copolymer is used as an appearance improver, the copolymer comprising 80 to 60% by weight of crystalline propylene polymer portion which has an intrinsic viscosity [η]p of 0.90 dl/g or less and 20 to 40% by weight of propylene/ethylene random copolymer portion which has an ethylene content of 35 to 50% by weight and an intrinsic viscosity [η]c of 7.0 dl/g or higher ([η]c/[η]p being 7.5 to 30), in which the propylene-based block copolymer has a mfr of 10 to 50 g/10 min.. .
Japan Polypropylene Corporation


05/19/16
20160137825 
 A part consisting of a material and a  manufacturing such part and a  radiation sterilization of such part patent thumbnailA part consisting of a material and a manufacturing such part and a radiation sterilization of such part
The material of a part includes a composition obtained by blending an isobutylene-based, pre-crosslinked polymer as component (a), at least one poly olefin or a non-crosslinked rubber or a tpv as component (b), at least one polymer having a tg of 90° c. Or higher as component (c) and—preferably—at least one component (d) selected from the group of: substituted vinyl polymers, stryrenic block copolymers, inorganic functionalized and non-functionalized fillers, carbon black, halogen scavengers, preferably the inorganic halogen scavengers, acid acceptors, stabilizers, preferably the polymeric stabilizers, and processing aids.
Datwyler Pharma Packaging International Nv


05/19/16
20160137799 
 Formation of superhydrophobic surfaces patent thumbnailFormation of superhydrophobic surfaces
Technologies are described for methods and systems effective for etching nanostructures in a substrate. The methods may comprise depositing a patterned block copolymer on the substrate.
Brookhaven Science Associates, Llc


05/19/16
20160137793 
 Hot-melt adhesive and use thereof patent thumbnailHot-melt adhesive and use thereof
The present invention relates to the use of a hot-melt adhesive for adhesive bonding of at least a first packaging and a second packaging, the hot-melt adhesive comprising: (a) 7-48 parts per weight of a polymer component, the polymer component comprising a styrene block copolymer; (b) 15-52 parts per weight of a tackifying component, wherein the tackifying component comprises thermoplastic adhesive resin, aliphatic hydrocarbon, cycloaliphatic hydrocarbon, aromatic hydrocarbon, the respective hydrocarbon optionally being modified and/or hydrogenated, terpenes, the terpenes optionally being modified or hydrogenated, rosins, the rosins optionally being modified or hydrogenated, or mixtures thereof; (c) 5-25 parts per weight of a plasticizer component, wherein the plasticizer component comprises paraffinic oils, naphthenic oils, polybuten, polybutadien, dibasic esters, polyols or mixtures thereof; and d) 0.02-1.2 parts per weight of a stabilizer component, wherein the stabilizer component is a light stabilizer, preferably as a sterically hindered phenolic antioxidant and/or a sterically hindered amine, most preferably is pentaerythritol tetrakis(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate).. .
Khs Gmbh


05/19/16
20160137776 
 Fluorescent polymers and applications thereof patent thumbnailFluorescent polymers and applications thereof
In one aspect, block copolymers are described herein. A block copolymer described herein, in some embodiments, comprises a first block comprising a polymer or oligomer formed from the reaction product of (i) a polycarboxylic acid or a polycarboxylic acid equivalent, (ii) a polyol, and (iii) an amino acid; and a second block comprising a polymer or oligomer that differs from the polymer or oligomer of the first block.
The Penn State Research Foundation


05/19/16
20160137775 
 Methoxypolyethylene glycol-polylactic acid block copolymer and preparation method thereof patent thumbnailMethoxypolyethylene glycol-polylactic acid block copolymer and preparation method thereof
A methoxypolyethylene glycol-polylactic acid block copolymer is disclosed, the methoxypolyethylene glycol-polylactic acid block copolymer being a block copolymer formed by ring opening polymerization of d,l-lactide and methoxypolyethylene glycol. A mass ratio of the methoxypolyethylene glycol to the d,l-lactide is 1:0.55-0.65 or 1:0.73-0.89 or 1:0.91-0.99.
Suzhou High-tech Bioscience Co., Ltd.


05/19/16
20160136292 
 Metap-2 inhibitor polymersomes for therapeutic administration patent thumbnailMetap-2 inhibitor polymersomes for therapeutic administration
Described herein are metap-2 inhibitors and compositions and formulations thereof, and more particularly compositions and formulations of metap-2 inhibitors wherein the metap-2 inhibitor is associated with a block copolymer comprising a hydrophilic polymer moiety and a hydrophobic polymer moiety. The present invention also relates to compositions and formulations comprising metap-2 inhibitors for oral administration or administration via routes such as topical or ocular administration.
Children's Medical Center Corporation


05/12/16
20160133292 

Density multiplication and improved lithography by directed block copolymer assembly


Methods to pattern substrates with dense periodic nanostructures that combine top-down lithographic tools and self-assembling block copolymer materials are provided. According to various embodiments, the methods involve chemically patterning a substrate, depositing a block copolymer film on the chemically patterned imaging layer, and allowing the block copolymer to self-assemble in the presence of the chemically patterned substrate, thereby producing a pattern in the block copolymer film that is improved over the substrate pattern in terms feature size, shape, and uniformity, as well as regular spacing between arrays of features and between the features within each array compared to the substrate pattern.
Hgst Netherlands B.v.


05/12/16
20160131925 

Method of manufacturing electrophoretic particle, electrophoretic particle, electrophoretic dispersion, electrophoretic sheet, electrophoretic device, and electronic apparatus


There is provided a method of manufacturing an electrophoretic particle, in which the electrophoretic particle includes a mother particle and a block copolymer, including: a step of polymerizing a monomer m having a site contributing to dispersibility into a dispersion medium, a monomer m including a second functional group having reactivity with the first functional group, a charged monomer m by living polymerization without random copolymerizing the monomer m1 and the monomer m2 so as to obtain the block copolymer; and a step of reacting the first functional group and the second functional group to a bonding section to a mother particle so as to connect the block copolymer to the mother particle.. .
Seiko Epson Corporation


05/12/16
20160131811 

Wire grid polarizer and fabricating the same


Provided is a method of fabricating a wire grid polarizer, the method comprising an organic light-emitting display panel. According to an aspect of the present disclosure, there is provided a method comprising sequentially stacking a conductive wire pattern layer, a first neutral layer, a guide pattern layer and a second neutral layer on a substrate, forming etch-stop patterns on the second neutral layer, forming second neutral layer patterns and guide patterns by patterning the second neutral layer and the guide pattern layer using the etch-stop patterns, coating a block copolymer of two types of monomer blocks having different etch rates on the first neutral layer and the second neutral layer patterns, aligning the block copolymer, removing one type of monomer blocks from the aligned block copolymer, and patterning the conductive wire pattern layer using the remaining monomer blocks, the second neutral layer patterns, and the guide patterns..
Samsung Display Co. Ltd.


05/12/16
20160130435 

Thermoplastic resin composition and molded article made therefrom


A thermoplastic resin composition including a first thermoplastic polymer and a second thermoplastic polymer, wherein the first thermoplastic polymer is a block copolymer including a plurality of polymer blocks, at least one of the plurality of polymer blocks includes a random copolymer, and at least one structural unit of the first thermoplastic polymer and a structural unit of the second thermoplastic polymer are stereoisomers, a molded article made therefrom, and methods of making the same.. .
Samsung Electronics Co., Ltd.


05/12/16
20160130430 

Polystyrene and polylactic acid blends


Polymeric blends of polystyrene (ps) and polylactic acid (pla) are described, in the preparation of which a compatibilizing agent was added, preferably a ps-pla block copolymer. Such compatibilizing agents act controlling phase separation of the blending compounds, and preventing excessive growth of polystyrene domains scattered in the pla matrix; and this results in blends with good mechanical and thermal resistance..
Universidade Federal Do Rio Grande Do Sul - Ufrgs


05/12/16
20160130407 

Polyethercarbonate-polyoxymethylene block copolymers


The present invention relates to a method for producing polyethercarbonate-polyoxymethylene block copolymers, comprising the step of polymerizing formaldehyde, wherein formaldehyde is polymerized in the presence of a polyethercarbonate having at least one zerewitinoff-active h atom, obtaining an intermediate product. The obtained intermediate product can be further reacted with a cyclic carboxylic acid ester or carbonic acid ester, a cyclic anhydride, an epoxide, and/or an isocyanate, wherein a hydroxyl- or carboxy-functional or nco-modified polyethercarbonate-polyoxymethylene block copolymer is obtained.
Covestro Deutschland Ag


05/12/16
20160129117 

Novel boronic acid compound preparation


The purpose of the present invention is to avoid side effects from contained medicines. Provided are: a preparation obtained by mixing a boronic acid compound and a block copolymer represented by general formula (i); and a production method therefor..
Nippon Kayaku Kabushiki Kaisha


05/12/16
20160128940 

Docetaxel nano-polymer micelle lyophilized preparation and preparation method thereof


A docetaxel nano-polymer micelle lyophilized preparation is disclosed including methoxypolyethylene glycol-polylactic acid block copolymer carrier material and docetaxel, the docetaxel being is encapsulated in the carrier material. A mass ratio of the docetaxel to the carrier material is 0.01-0.15.
Suzhou High-tech Biosciense Co., Ltd


05/05/16
20160124307 

Substrate treatment method, computer storage medium and substrate treatment system


A substrate treatment method includes: a polymer separation step of phase-separating a block copolymer into a hydrophilic polymer and a hydrophobic polymer; and a polymer removal step of selectively removing the hydrophilic polymer from the phase-separated block copolymer, wherein in the polymer removal step, the hydrophilic polymer is removed by: irradiating the phase-separated block copolymer with an energy ray; then supplying a first polar organic solvent having a first degree of dissolving the hydrophilic polymer, being lower in boiling point than water and capable of dissolving water, and not dissolving the hydrophobic polymer, to the block copolymer; and then supplying a second polar organic solvent having a second dissolving degree lower than the first dissolving degree, being higher in boiling point than water, and not dissolving the hydrophobic polymer, to the block copolymer.. .
Tokyo Electron Limited


05/05/16
20160122859 

Method for directed self-assembly (dsa) of block copolymers using guiding line sidewalls


A guiding pattern for directed self-assembly (dsa) of a block copolymer (bcp) is an array of spaced guiding stripes on a substrate that have a width equal to nl0 and a pitch equal to (n+k)l0, where n and k are integers equal to or greater than 1 and l0 is the natural pitch of the bcp. The guiding stripes have oxidized sidewalls.
Hgst Netherlands B.v.


05/05/16
20160122603 

Adhesive containing block copolymer


Provided are an acrylic hot-melt adhesive that has both good hot-melt processability and good holding power, that is suitable for applications to a hot-melt coating method in which coating is performed at a low temperature at a high speed, that has good transparency and good weather resistance, and that further has good adhesiveness at low temperatures, and a block copolymer suitable for use in the adhesive. Prepared is an adhesive containing a block copolymer having at least one structure represented by a general formula: -[a1]-[b/a2]- (where, in the formula, [a1] represents a polymer block composed of a structural unit derived from a methacrylic acid ester (a1), [b/a2] represents a copolymer block composed of a structural unit derived from an acrylic acid ester (b) and a structural unit derived from a methacrylic acid ester (a2), and the copolymer block [b/a2] has a gradient copolymer block section in which a copolymerization ratio of the methacrylic acid ester (a2) continuously increases from a section connected to the polymer block [a1]), and having a total content of the structural units derived from the methacrylic acid ester (a1) and the methacrylic acid ester (a2) of 5% to 60% by mass, a weight-average molecular weight (mw) of 30,000 to 300,000, and a molecular weight distribution (mw/mn) of 1.0 to 1.5..
Kuraray Co., Ltd.


05/05/16
20160122580 

Defect reduction methods and composition for via formation in directed self-assembly patterning


The present invention relates to a two novel processes, “dual coating process and single coating process,” for forming an array of via's by employing a graphoepitaxy approach, where an array of pillars the surface of the pillars has been modified by the formation of a hydrophobic poly(vinyl aryl) brush at the surface of the pillars. The present invention also relates to a composition comprising a poly(vinyl aryl) hydrophopic polymer brush precursor terminated at one chain end with a reactive functional group, a diblock copolymer comprising an etch resistant hydrophobic block and a highly etchable hydrophilic block, a thermal acid generator and a solvent..
Az Electronic Materials (luxembourg) S.a.r.l.


05/05/16
20160122579 

Silicon containing block copolymers for direct self-assembly application


The invention also relates to a novel composition comprising the novel polymer and a solvent. The invention further relates to a process utilizing the novel composition for affecting directed self-assembly of the block copolymer..

05/05/16
20160122571 

Orientation control materials for block copolymers used in directed self-assembly applications


An orientation control layer (ocl) for self-assembly of block copolymers comprises a random copolymer comprising a first repeat unit having an ethylenic backbone functional group and a side chain aromatic ring, a second repeat unit comprising an ethylenic backbone functional group and a side chain polycarbonate, and a third repeat unit comprising an ethylenic backbone functional group and a side chain ester or amide bearing an active group capable of forming a covalent bond with a substrate surface (e.g., a silicon wafer). The ocls are neutral wetting to block copolymers having a high flory-huggins interaction parameter chi (χ) (“high-chi” block copolymers) such as a block copolymer comprising a polystyrene block and a polycarbonate block.
International Business Machines Corporation


05/05/16
20160121279 

Device for producing polymer dispersion solution of core-shell structured silicon nanoparticles


Disclosed herein is a device for producing a polymer dispersion solution of core-shell structured silicon nanoparticles. The device includes: a canister for storing silicon nanoparticles; a quantitative feeder for receiving the silicon nanoparticles released from the canister and for quantitatively feeding the same; a mixing tank for mixing block copolymer constituting a shell, and a dispersion solvent, and the silicon nanoparticles fed through the quantitative feeder to form core-shell structured silicon nanoparticles; an ultrasonic disperser for receiving the core-shell structured silicon nanoparticles released from the mixing tank and a dispersion solvent and for dispersing the particles with ultrasonic waves; and a dispersion solvent tank for feeding a dispersion solvent into the mixing tank and the ultrasonic disperser..
Oci Company Ltd.


05/05/16
20160121172 

Polyester-based thermoplastic elastomers containing plasticizers for making golf balls


Multi-layered golf balls having at least one layer made of a polyester composition containing a polyester thermoplastic elastomer and plasticizer are provided. The plasticizers help reduce the glass transition temperature (tg) of the composition and various plasticizers may be used.
Acushnet Company


05/05/16
20160121014 

An elastic attachment adhesive and a disposable absorbent article made with the same


The invention relates to a disposable absorbent article and an adhesive composition including a first polymer that is propylene-based and has a mw of no greater than about 75,000, and a second polymer selected from a group including propylene based polymers with a mw of at least about 100,000 and styrene block copolymers with a styrene content of no greater than about 20% where the adhesive composition is useful for elastic attachment applications.. .
H.b. Fuller Company


04/28/16
20160118555 

Compositions of resin-linear organosiloxane block copolymers


Curable compositions of “resin-linear” organosiloxane block copolymers comprising a nanoparticulate filler are disclosed. In some instances, even at high loading levels, curable and solid compositions comprising “resin linear” organosiloxane block copolymers and a nanoparticulate filler exhibit melt flow and cure behavior.
Dow Corning Toray Co., Ltd.


04/28/16
20160115312 

Sealing element compositions having biorenewable content


Thermoplastic elastomer compositions, in particular derived from one or more styrenic block copolymers, a relatively high molecular weight isobutylene-containing (co)polymer, and a biorenewable processing aid. The isobutylene-containing (co)polymer imparts desirable oxygen barrier performance to the composition and the biorenewable processing aid acts as a barrier synergist as well as a processing aid useful during compounding.
Teknor Apex Company


04/28/16
20160115269 

Process for producing hydrogenated block copolymer, hydrogenated block copolymer obtained by the process, and composition thereof


The present invention relates to a method for producing a hydrogenated block copolymer, including the steps of: (a) forming a block copolymer by allowing a living polymer having a specific structure to react with a tetra- or more functional silane coupling agent; (b) hydrogenating the block copolymer to form a hydrogenated block copolymer; (c) isolating the resultant hydrogenated block copolymer; and (d) deactivating a functional group in the silane coupling agent and/or an unreacted functional group present in a coupling agent residue in the block copolymer or the hydrogenated block copolymer prior to the step (c), in which the number of functional groups derived from the coupling agent in the hydrogenated block copolymer recovered in the step (c) is 1.5 or less per block copolymer molecule; a hydrogenated block copolymer obtained by the method; and a composition containing the hydrogenated block copolymer.. .
Kuraray Co., Ltd


04/28/16
20160114296 

Improved membranes


Membrane comprising a block copolymer comprising polyarylene ether blocks and polyalkylene oxide blocks, wherein said polyalkylene oxide blocks comprise at least one polyethylene oxide segment and at least one segment of at least one polyalkylene oxide that is different from polyethylene oxide. .
Basf Se


04/28/16
20160114058 

Polymer micelle pharmaceutical composition


A polymer micelle pharmaceutical composition is provided and includes: a block copolymer unit α having a hydrophilic polymer chain segment and a hydrophobic polymer chain segment; and a block copolymer unit β having a hydrophilic polymer chain segment and a hydrophobic polymer chain segment, wherein: the block copolymer unit α and the block copolymer unit β are radially arranged in the state in which the hydrophilic polymer chain segments are directed outward and the hydrophobic polymer chain segments are directed inward; and the hydrophobic polymer chain segment of the block copolymer unit α is constituted of repeating units having side chains, at least one of the side chains having a hydrophilic group.. .
Nanocarrier Co., Ltd.


04/28/16
20160113884 

Preparation radiation sensitive copolymer carrier for coating radiated nanoparticles and chemotherapy drugs


The preparation method of radiation-sensitive copolymer carrier for coating radiated nanoparticles and/or chemotherapy drugs includes forming a nanosphere by diselenide block copolymers and dspe-peg-biomarkers to coat chemotherapy drugs and/or radiated nanoparticles that can be released from the opened nanosphere by protons penetrating tissue during proton therapy. The treatment effect of proton therapy is enhanced by two ways of using the radiated nanoparticles released from an opened nanosphere to produce nuclear fission with the protons for releasing electrons to destroy cancer cells of tumor and the chemotherapy drugs released from the opened nanosphere for distributing among tissue to kill the cancer cells of the tumor..

04/21/16
20160111275 

Compositions of low-k dielectric sols containing nonmetallic catalysts


A sol composition for producing a porous low-k dielectric material is provided. The composition can include at least one silicate ester, a polar solvent, water, an acid catalyst for silicate ester hydrolysis, an amphiphilic block copolymer surfactant, and a nonmetallic catalyst that reduces dielectric constant in the produced material.

04/21/16
20160108305 

Curable, resealable, swellable, reactive sealant composition for zonal isolation and well integrity


The invention relates to a curable sealant composition broadly comprising a resealable, swellable, reactive sealant and free radical initiator; said resealable, swellable reactive sealant comprises monofunctional monomer(s), multifunctional monomer(s), reactive polymer such as unsaturated styrenic block copolymer, swellable additive, and optional components. The monofunctional monomer is a vinyl ester derivative of versatic acid with c9-c12 carbon atoms, or monoacrylate, monomethacrylate, monoacrylamide, or monomethacrylamide.

04/21/16
20160108296 

Bonding adhesive and adhered roofing systems prepared using the same


A bond adhesive composition comprising an acrylic block copolymer and protic solvent.. .

04/21/16
20160108228 

Thermoplastic elastomer composition and molded body


The thermoplastic elastomer composition of the present invention is a thermoplastic elastomer composition including a hydrogenated block copolymer (a) and a softening agent (b), the hydrogenated block copolymer (a) being a hydrogenated product of a block copolymer including a polymer block (a) composed of a constitutional unit derived from an aromatic vinyl compound and a polymer block (b) containing 1 to 100% by mass of a constitutional unit (b1) derived from farnesene and 99 to 0% by mass of a constitutional unit (b2) derived from a conjugated diene other than farnesene; a mass ratio of the polymer block (a) and the polymer block (b) [(a)/(b)] being 1/99 to 70/30; 50 mol % or more of carbon-carbon double bonds in the polymer block (b) being hydrogenated; and a content of the softening agent (b) being 20 to 2,000 parts by mass on the basis of 100 parts by mass of the hydrogenated block copolymer (a).. .

04/21/16
20160108181 

Method and catalyst system for preparing polymers and block copolymers


The present invention provides methods for producing block copolymers, either by the sequential addition of monomers, or using a “one-pot” method. The invention also relates to novel methods for producing polyesters by ring opening lactides and/or lactones and by copolymerising anhydrides and epoxides..

04/21/16
20160108178 

Block copolymers


block copolymer comprising polyarylene ether blocks and polyalkylene oxide blocks, wherein said block copolymer comprises at least two polyalkylene oxide blocks that are endcapped with different endcapping groups.. .

04/21/16
20160107705 

Conductive polyamide composition and article


An electrically conductive polyamide composition includes specific amounts of a polyamide-6, a poly(phenylene ether), talc, a hydrogenated block copolymer, carbon nanotubes, and a compatibilizing agent for the polyamide-6 and the poly(phenylene ether). The composition can contain little or no polyamide-6,6.

04/21/16
20160107422 

Shrink sleeve label


A film has a skin layer, a base layer, and an intermediate layer between the skin and base layers. The skin layer has styrenic block copolymer, the base layer has ethylene/alpha-olefin copolymer, and the intermediate layer has from 12% to 50% styrene/ethylene-butadiene/styrene block copolymer.

04/21/16
20160106870 

Biocompatible fiducial marker using multi-block copolymers


The present invention relates to a fiducial marker comprising barium sulfate (baso4), a solvent, and a polyethylene glycol-poly(aminourethaneurea) multi-block copolymer, as active ingredients. The fiducial marker of the present invention has an effect of significantly remedying disadvantages of image distortion and dose distortion, which are involved in the gold inner marker used in the conventional art.

04/21/16
20160106673 

Amphiphilic block copolymers for nucleic acid delivery


The present invention provides a composition comprising vesicles and encapsulated within the vesicles, nucleic acid comprising less than 1000 nucleotides, wherein the vesicles comprise an amphiphilic block copolymer having a hydrophilic and a hydrophobic block. Methods of forming vesicles and methods of delivering nucleic acid, in particular, irna into cells, are also provided..

04/14/16
20160104628 

Self-aligned patterning using directed self-assembly of block copolymers


Techniques herein provide methods for self-aligned etching that use existing features for patterning or registering a pattern, without damaging existing features. Existing substrate structures are used to create a surface that enables directed self-assembly (dsa) of block copolymers (bcp) without a separate lithographic patterning layer.

04/14/16
20160102223 

Polymer electret and manufacturing the same


Provided is a method of manufacturing a polymer electret. The method of manufacturing a polymer electrets includes forming a polymer thin film, which includes a block copolymer (bcp) having two or more polymer chains covalently bonded together; forming a nano-structure of the bcp in which a first block formed by first polymer chains that self-assemble together and a second block formed by second polymer chains that self-assemble together are micro-phase-separated, by performing an annealing process on the polymer thin film; forming a porous polymer film with a nano-pore by selectively removing one of the first block and the second block; and charging the porous polymer film..

04/14/16
20160102197 

Transparent, impact-modified styrene-copolymer-based molding compound


The invention relates to thermoplastic molding compounds which contain impact-modified styrene/nitrile monomer copolymers, to molded products and films produced therefrom and to the use thereof. The impact modifiers used are linear a-b-a tri-block copolymers from hard polymer blocks a and a soft polymer block b, preferably polymethylmethacrylate-block-polybutylacrylate-block-polymethylmethacrylate..

04/14/16
20160102186 

Crosslinked polyolefin foam sheet with exceptional softness, haptics, moldability, thermal stability and shear strength


A method of making a foam composition includes blending a composition including (i) about 15 to about 75 parts by weight of an olefin block copolymer with a controlled block sequence having a melt flow index of about 0.1 to about 15 grams per 10 minutes at 190° c. And a melting temperature of at least about 115° c., (ii) about 25 to about 85 parts by weight of at least one polypropylene based polymer having a melt flow index from about 0.1 to about 25 grams per 10 minutes at 230° c., (iii) a crosslinking monomer and (iv) a chemical blowing agent to produce a blended composition; crosslinking the blended composition to obtain a crosslinked composition having a crosslinking degree of about 20 to about 75%; and foaming the crosslinked composition at an elevated temperature to obtain a foam composition having a density of about 20 to about 250 kg/m3..

04/14/16
20160102164 

High flow, hydrogenated styrene-butadiene-styrene block copolymers and applications


The invention relates to unique applications for the novel high melt flow, low viscosity, selectively hydrogenated styrene-butadiene-styrene (hsbs) or selectively hydrogenated controlled distribution styrene-butadiene/styrene-styrene (hsbss) block copolymers, wherein the melt flow rate of said block copolymer is at least 100 g/10 min at 230° c. Under 2.16 kg mass according to astm d1238.

04/14/16
20160102163 

Flame retardant acrylic/pla copolymer


A flame retardant acrylic/polylactic acid (pla) copolymer is synthesized which contains a fr-pmma block that includes either a poly(mmap) block or a poly(mma-co-mmap) block, wherein mma is methyl methacrylate and mmap is a mma-like monomer that is functionalized with a phosphorus-containing moiety. In some embodiments, the flame retardant acrylic/pla copolymer is a diblock copolymer containing a pla block and a fr-pmma block.

04/14/16
20160101209 

Adhesive compositions with amorphous polyolefins


The invention relates to a hot melt adhesive composition that, when used as an elastic attachment adhesive (eaa), provides elastic laminates having an initial creep performance of less than 25%. The composition comprises a selectively hydrogenated, high vinyl block copolymer having the structure sebs or (seb)nx amorphous polyolefin such as polyethylene, polypropylene, butylene homopolymers and copolymers, or a mixture of two or more of these, tackifier, and maleated polypropylene oligomer or maleated sebs..

04/14/16
20160101190 

Polymer-based protein engineering methods to rationally tune enzyme activity, ph-dependence and stability


Using a novel water-soluble, active ester amide-containing functionalized controlled radical polymerization initiator, stimuli responsive polymers have been grown from the surface of a protein, exemplified by chymotrypsin or any protein having surface amino acids that will covalently bind to the active ester amide-containing functionalized initiator. It is shown that changes in temperature or ph can change the conformation of the polymer surrounding the enzyme, which in turn enabled the rational tailoring of enzyme activity and stability.

04/14/16
20160100986 

Wound care device


A wearable article formed of a gelatinous elastomer composition having 100 parts by weight of triblock copolymer of the general configuration poly(styrene-ethylene-butylene-styrene) wherein the styrene end block to ethylene and butylene center block ratio is within the range of from between 31:69 to 40:60, from about 300 to about 1,600 parts by weight of a plasticizing oil and having a gel rigidity of about 20 gram to about 700 gram bloom.. .

04/07/16
20160099190 

Underfill material including block copolymer to tune coefficient of thermal expansion and tensile modulus


Embodiments of the present disclosure are directed toward underfill material including block copolymer. In one embodiment, an underfill material includes epoxy material and a copolymer including an epoxy-philic block and an epoxy-phobic block, wherein the epoxy-philic block is miscible in the epoxy material, the epoxy-phobic block is covalently bonded with the epoxy-philic block, the epoxy-phobic block is separated in a microphase domain within the epoxy material and the epoxy-philic block is configured to restrict thermal expansion or contraction of the epoxy material..
Intel Corporation


04/07/16
20160097015 

Bearing material


A plastic bearing material of a bearing may include a block copolymer. The block copolymer may include structural blocks of two or more different polymers.

04/07/16
20160096907 

Emulsion polymers including one or more 1,1-disubstituted alkene compounds, emulsion methods, and polymer compositions


The present teachings show that it is possible to polymerize 1,1-disubstituted alkene compounds in an emulsion (for example using a water based carrier liquid), despite the possible reactions between the monomer and water. Polymerization of 1,1-disubstituted alkene compounds in an emulsion provides opportunities to better control the polymerization compared with bulk polymerization.
Sirrus, Inc.


04/07/16
20160096906 

Solution polymers including one or more 1,1-disubstituted alkene compounds, solution polymerization methods, and polymer compositions


The present teachings show that it is possible to polymerize 1,1-disubstituted alkene compounds in a solution (for example using one or more solvents). Polymerization of 1,1-disubstituted alkene compounds in an solution provides opportunities to better control the polymerization compared with bulk polymerization.
Sirrus, Inc.


04/07/16
20160096077 

Golf balls containing multi-layered cores with foam center and thermoplastic outer layers


Golf ball multi-layered core sub-assemblies and the resulting golf balls are provided. The core structure includes a foam inner core (center); and intermediate and outer core layers.
Acushnet Company


03/31/16
20160093916 

Electrolyte, preparing the electrolyte, and secondary battery including the electrolyte


An electrolyte including a block copolymer containing a co-continuous domain including an ion conductive phase and a structural phase, wherein the structural phase includes a polymer segment having a glass transition temperature that is equal to or lower than room temperature.. .
Samsung Electronics Co., Ltd.


03/31/16
20160090435 

Block copolymer, forming the same, and forming pattern


Wherein com1 and com2 are independently selected from a polystyrene moiety, polymethylmethacrylate moiety, polyethylene oxide moiety, polyvinylpyridine moiety, polydimethylsiloxane moiety, polyferrocenyldimethylsilane moiety, and polyisoprene moiety, r1 is hydrogen or an alkyl group with 1 to 10 carbon atoms, ph is a phenyl group, a is 1 to 50, r2 is hydrogen or an alkyl group with 1 to 10 carbon atoms, and b is 1 to 50.. .

03/24/16
20160087206 

Method for manufacturing memory device and manufacturing metal wiring


A method for manufacturing a memory device of an embodiment includes: forming on a substrate a block copolymer layer which contains a first polymer and a second polymer having lower surface energy than that of the first polymer; performing thermal treatment on the block copolymer layer, to separate the block copolymer layer such that a first phase containing the first polymer and extending in the first direction and a second phase containing the second polymer and extending in the first direction are alternately arrayed; selectively forming on the first phase a first metal wiring layer extending in the first direction; forming on the first metal wiring layer a memory layer where resistance changes by application of a voltage; and forming on the memory layer a second metal wiring layer which extends in a second direction intersecting in the first direction.. .
Kabushiki Kaisha Toshiba


03/24/16
20160084858 

Systems and methods for non-fasting ldl cholesterol assays


In one embodiment, a test strip for testing for cholesterol-related blood analytes in whole blood includes a red blood cell separation layer, the red blood cell separation layer separating red blood cells from a blood sample applied to the test strip as the blood sample flows downward through the red blood cell separation layer. The test strip further includes a reaction layer receiving the blood sample from the red blood cell separation layer, the reaction layer including poe-pop-poe block copolymer, a surfactant, and a reflectivity changing reactant, the poe-pop-poe block copolymers solubilizing essentially only non-ldl cholesterol analytes, the non-ldl cholesterol analytes reacting with the reflectivity changing reactant in order to change a reflectivity of the blood sample..
Polymer Technology Systems, Inc.


03/24/16
20160083577 

Resin composition and resin molded article


A resin composition includes a polyester resin, an alloyed resin of a polycarbonate resin and an acrylonitrile-butadiene rubber-styrene resin, and an acrylic block copolymer containing a polymer block containing an acrylic acid ester monomer unit and a polymer block containing a methacrylic acid ester monomer unit, wherein a weight ratio of a content of the polyester resin and a content of the alloyed resin is in a range of 5:95 to 50:50, and wherein a content of the acrylic block copolymer is in a range of 0.5% by weight to 10% by weight with respect to a total of the content of the polyester resin and the content of the alloyed resin.. .
Fuji Xerox Co., Ltd.


03/24/16
20160083510 

Block copolymer and process for preparing the same


The invention relates to a block copolymer comprising a first block of general structure formula (ii) and a second block of general structure formula (iii) wherein rx is an organic group having a chain length of from 1-9 atoms; ry is an organic group having a chain length of from 10-38 atoms; n1 is at least 2; n2 is at least 2. The invention further relates to a method for preparing such block copolymer using as a catalyst a phenoxy-imine based catalyst having general structure of formula i..
Saudi Basic Industries Corporation


03/24/16
20160082472 

Process for manufacturing self-assembled block copolymer films


Self-assembled block copolymer films having two or more blocks are manufactured by distributing a solution containing at least one block copolymer onto the substrate so as to partially coat a substrate surface, obtaining an intermediate product. A block copolymer is self-assembled by heating the intermediate product.
Consiglio Nazionale Delle Ricerche


03/24/16
20160082115 

Reverse thermal gels and uses therefor


Biodegradable triblock copolymer compositions are provided which are useful in tissue engineering and drug delivery. 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


03/24/16
20160082109 

Copolymer and nanoparticles obtained therefrom for drug delivery


The present invention concerns a block copolymer composed of two blocks s1 and s2, wherein s1 consists of m(peg)n, where n is an integer in the range between 4 and 50 and s2 is a random copolymer consisting of the monomer units r1 and r2 where r1 is the monomer unit corresponding to the monomer γ-valerolactone and r2 is the monomer unit corresponding to the monomer selected from the group consisting of ε-caprolactone, δ-valerolactone, β-butyrolactone, ε-caprolactam, δ-valerolactam. A method for the preparation thereof, the use thereof, nanoparticles and a pharmaceutical composition comprising the same is also provided..
Fondazione Istituto Italiano Di Tecnologia


03/17/16
20160079179 

Mark forming method, mark detecting method, and device manufacturing method


A mark forming method includes: exposing a wafer with a mask image to form first and second resist marks that have different shapes than one another based on a portion of the mask image; applying a polymer layer that contains a block copolymer to the wafer by spin-coating; forming self-assembled regions in the applied polymer layer; selectively removing a portion of the self-assembled regions; and forming first and second wafer marks on the wafer using the first and second resist marks. This makes it possible to form the marks when forming circuit patterns using self-assembly of a block copolymer..
Nikon Corporation


03/17/16
20160078160 

Method of simulating formation of lithography features by self-assembly of block copolymers


A method of determining an uncertainty in the position of a domain within a self-assembly block copolymer (bcp) feature. The method includes simulating a bcp feature, calculating a minimum energy position of a first domain within the simulated bcp feature, simulating the application of a potential that causes the position of the first domain to be displaced from the minimum energy position, simulating release of the potential back toward the minimum energy, recording a plurality of energies of the bcp feature during the release and recording at each of the plurality of energies a displacement of the first domain from the minimum energy position, calculating, from the recorded energies and recorded displacements, a probability distribution indicating a probability of the first domain being displaced from the minimum energy position, and, from the probability distribution, calculating an uncertainty in the position of the first domain within the bcp feature..
Asml Netherlands B.v.


03/17/16
20160077439 

Grapho-epitaxy making patterns on the surface of a substrate


A method for making patterns on a substrate, includes forming an assembly guide on first and second areas of the substrate, the assembly guide having, compared to a reference surface, openings with an opening ratio in the first area greater than that of the second area; depositing a block copolymer layer on the substrate to entirely fill the assembly guide and form an over-thickness on the reference surface; assembling the block copolymer, resulting in an organised portion of the block copolymer layer inside the openings; thinning uniformly the block copolymer layer, until a thickness corresponding to the organised portion of the block copolymer layer is reached; eliminating one of the phases of the assembled block copolymer, resulting in a plurality of initial patterns extending into the layer of block copolymer; and transferring the initial patterns of the block copolymer layer into the substrate to form the final patterns.. .
Commissariat à L'énergie Atomique Et Aux énergies Alternatives


03/17/16
20160077435 

Methods of forming patterns


A method of forming patterns includes: forming guide patterns on an underlying layer, forming a self-assembling block copolymer (bcp) layer on the guide patterns and the underlying layer, annealing the self-assembling bcp layer to form first polymer block domains and second polymer block domains which are alternately and repeatedly arrayed, and selectively removing the first polymer block domains. The guide patterns are formed of a developable antireflective material.
Sk Hynix Inc.


03/17/16
20160077264 

Patterning method and manufacturing wire grid polarizer using the same


A pattering method includes forming guide layer patterns, which are separated from each other, on a top surface of a base substrate, forming a neutral layer, which includes a random copolymer comprising first blocks or second blocks, on an entirety of the top surface of the base substrate exposed between the guide layer patterns, forming hydrophobic layer patterns which extend from top surfaces of the guide layer patterns to side surfaces of the guide layer patterns and are separated from each other, coating a block copolymer, which comprises the first blocks and the second blocks, on a top surface of the neutral layer exposed between the hydrophobic layer patterns, alternately arranging the first blocks and the second blocks by heat-treating or solvent-annealing the block copolymer, and forming block copolymer patterns by removing the first blocks or the second blocks.. .
Samsung Display Co. Ltd.


03/17/16
20160077263 

Wire grid polarizer and fabricating the same


A method of fabricating a wire grid polarizer includes sequentially depositing a conductive wire pattern layer, and a plurality of guide patterns which forms one or more trenches therebetween on the conductive wire pattern layer, hydrophobically treating surfaces of the conductive wire pattern layer exposed in the trenches, and the guide patterns, coating the hydrophobically treated conductive wire pattern layer in the trenches with a neutral layer to partially fill the trenches, filling a remainder of the trenches with a block copolymer of two monomers with different etching rates, aligning the block copolymer filled in the trenches, selectively removing blocks of one monomer among the two monomers from the aligned block copolymer, and patterning the conductive wire pattern layer by using blocks of the other monomer among the two monomers remaining in the trenches and the guide patterns as a mask.. .
Samsung Display Co., Ltd.


03/17/16
20160076456 

System and providing a wash treatment to a surface


Methods and systems for washing a surface, such as a gas turbine surface, are provided. A wash control system includes a storage tank configured to contain a cleaning agent, a plurality of nozzles, and a supply conduit coupled to the storage tank on a first end and the plurality of nozzles on a second end, wherein the wash control system is configured to deliver the cleaning agent from the storage tank and to discharge the cleaning agent through the plurality of nozzles and the cleaning agent includes an ethylene oxide-propylene oxide block copolymer, sodium dodecyl benzene sulphonate, sodium lauryl sulphate, or a combination including at least one of the foregoing..
General Electric Company


03/17/16
20160075944 

Soil treatment


A method for wetting and/or conditioning soil comprises applying a soil treatment composition containing hydrolyzed protein to the soil. The soil treatment composition preferably contains a surfactant selected from ethylene oxide-propylene oxide (eo/po) block copolymer and/or an alkyl polyglycoside.
Croda International Plc


03/17/16
20160075874 

Flame retardant thermoplastic elastomers


A flame-retardant thermoplastic elastomer compound is disclosed having polyphenylene ether, a hydrogenated styrene block copolymer, at least one solid non-halogenated phosphorus containing flame retardant, a nucleated olefinic polymer, and two different specific uv stabilizers and pigment. The compound has a before-aging tensile elongation of >200% and an after-aging tensile elongation residual of at least 75%, according to the ul 62 test, which makes it useful as an insulation layer, a jacketing layer, or both for protected electrical lines such as alternating current wire and cable products, accessory cables, and variety of injection molded electrical or electronic parts..
Polyone Corporation


03/17/16
20160073630 

Systemic mitigation of environmental stress on plants and the fruit thereof


A method for systemically mitigating environmental stress from heat or radiation on a fruit plant and the pre-harvested fruit thereof that comprises the steps of: preparing an agricultural composition wherein the composition comprises an ethylene oxide-propylene oxide block copolymer, a c1-c4 alkyl ether of ethylene oxide-propylene oxide block copolymer, and an alkyl polyglycoside; and intimately contacting root zone soil of soil containing a fruit plant with a bioefficaciously effective amount of the agricultural composition to systemically mitigate environmental stress on the plant and the pre-harvested fruit thereof from heat or radiation impacting the surface of the plant or fruit above the surface of the soil, whereby the agricultural composition is not substantially absorbed into the plant.. .
Aquatrols Corporation Of America


03/10/16
20160072148 

Organic-inorganic silicon structure-containing block copolymer, electrolyte including the same, and lithium battery including the electrolyte


An organic-inorganic silicon structure-containing block copolymer including a first domain including an ion conductive polymer block; and a second domain including a polymer block including a non-conducting polymer and an organic-inorganic silicon structure, wherein the organic-inorganic silicon structure is connected to a side chain connected to a backbone of the non-conducting polymer.. .
Samsung Electronics Co., Ltd.


03/10/16
20160070044 

Method for manufacturing reflective polarizer


A manufacturing method of a reflective polarizer includes forming a metal layer on a first substrate; forming a mask layer divided into an opening area and a non-opening area on the metal layer, and having grooves patterned in the opening area, the groove exposing the metal layer; increasing hydrophobicity of a surface by treating the mask layer using a silane coupling agent; inducing phase separation of a hydrophilic component and a hydrophobic component of a block copolymer after filling the grooves of the mask layer with the block copolymer; selectively removing the hydrophilic component or the hydrophobic component block copolymer of the block copolymer; and etching the metal layer using the block copolymer as a mask.. .
Samsung Display Co. Ltd.


03/10/16
20160068723 

Hot-melt adhesive agent


Problem to be solved of the present invention is to provide a hot-melt adhesive agent which is capable of applying at low temperature, excellent in adhesiveness at the wide temperature ranges (10 to 40° c.), and excellent in balance between tackiness and retention force, and a disposable product obtained by employing the hot-melt adhesive agent. Means for solving the problem is a hot-melt adhesive agent comprising a thermoplastic block copolymer (a) which is a copolymer of vinyl class aromatic hydrocarbons and conjugated diene compounds, wherein the thermoplastic block copolymer (a) comprises the following component (a1) and component (a2): (a1) a radial type styrene block copolymer having a styrene content of 35 to 45% by weight, a diblock content of 50 to 90% by weight, and has a viscosity at 25° c.
Henkel Ag & Co. Kgaa


03/10/16
20160068722 

Self-adhesive compound and use thereof in an adhesive tape


A self-adhesive compound comprising a) at least one elastomer, at least one type of polybutadiene block copolymer being used as an elastomer, b) at least one partially hydrogenated hydrocarbon resin having a softening temperature of at least 90° c., c) at least one additional hydrocarbon resin, a terpene phenol resin and/or a colophonium resin having a softening temperature of at least 90° c., d) a soft resin, and e) additional additives as applicable.. .
Tesa Se


03/10/16
20160068669 

Brush block copolymer infrared 1-d photonic crystals using linear polymer additives


The present invention is directed to brush block copolymer compositions comprising first and second homopolymers or random copolymers whose presence provides access to photonic bandgaps in the infrared frequency range, their use in this capacity, and methods of making the same. The specific parameters associated with these compositions are described within the specification..
California Institute Of Technology


03/10/16
20160068616 

Solution polymers including one or more 1,1-disubstituted alkene compounds, solution polymerization methods, and polymer compositions


The present teachings show that it is possible to polymerize 1,1-disubstituted alkene compounds in a solution (for example using one or more solvents). Polymerization of 1,1-disubstituted alkene compounds in an solution provides opportunities to better control the polymerization compared with bulk polymerization.
Sirrus, Inc.




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

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