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Block Copolymer patents



      
           
This page is updated frequently with new Block Copolymer-related patent applications. Subscribe to the Block Copolymer RSS feed to automatically get the update: related Block RSS feeds. RSS updates for this page: Block Copolymer RSS RSS


Date/App# patent app List of recent Block Copolymer-related patents
02/26/15
20150056290
 Microsphere compositions, preparation method and applications thereof patent thumbnailnew patent Microsphere compositions, preparation method and applications thereof
A cell carrying microsphere composition, wherein the microsphere composition comprises a microspheric core comprising a triblock copolymer matrix a-b-a wherein a is selected from poly(lactide-co-glycolide) (plga) or polylactide (pla) and b is poloxamer or poloxamine, wherein the microspheric core is coated with a cell adhesion coating and further comprises whole cells or cell fragments bonded to the cell adhesion coating, a process for the preparation of a cell carrying microsphere composition, and applications thereof.. .
Inserm (institut National De La Sante Et De La Recherche Medicale)
02/26/15
20150052691
 Ape-free laundry emulsifier patent thumbnailnew patent Ape-free laundry emulsifier
A detergent emulsifier for laundry and other hard surface cleaning using an ape-free surfactant blend is disclosed. The emulsifier system is efficacious for removal of oily soils and greasy food removal.
Ecolab Usa Inc.
02/19/15
20150051559
 Transdermal patch for treatment of dementia or alzheimer type dementia patent thumbnailTransdermal patch for treatment of dementia or alzheimer type dementia
Disclosed is a transdermal patch for treatment of degenerative neurological disorders like dementia or alzheimer type dementia. More particularly, the transdermal patch for treatment of neurodegenerative disorder comprises an adhesive monolayer which comprises rivastigmine in free base form or its pharmaceutically acceptable salts, styrene block copolymer, and a tackifier, wherein total styrene units are in an amount of 4% w/w or more of said adhesive monolayer..
Sparsha Pharma International Private Limited
02/19/15
20150051356
 Amphiphilic resin-linear organosiloxane block copolymers patent thumbnailAmphiphilic resin-linear organosiloxane block copolymers
Amphiphilic organosiloxane block copolymers and methods for making them are disclosed. The compositions incorporate an amphiphilic “linear” segment with a “resinous” segment.
Dow Corning Corporation
02/19/15
20150051347
 Block copolymer having phenylboronic acid group introduced therein, and use thereof patent thumbnailBlock copolymer having phenylboronic acid group introduced therein, and use thereof
A block copolymer includes a polyamino acid chain segment and a hydrophilic polymer chain segment. The polyamino acid chain segment includes at least one amino acid residue having a side chain that contains a cationic group and at least one amino acid residue having a side chain that contains a substituted phenylboronic acid group.
Nanocarrier Co., Ltd.
02/19/15
20150050599
 Methods of providing patterned epitaxy templates for self-assemblable block copolymers for use in device lithography patent thumbnailMethods of providing patterned epitaxy templates for self-assemblable block copolymers for use in device lithography
A method is disclosed to form a patterned epitaxy template, on a substrate, to direct self-assembly of block copolymer for device lithography. A resist layer on a substrate is selectively exposed with actinic (e.g.
Asml Netherlands B.v.
02/19/15
20150050588
 Imaging members having electrically and mechanically tuned imaging layers patent thumbnailImaging members having electrically and mechanically tuned imaging layers
An electrophotographic imaging member which has improved imaging layer(s) formulated to comprise a charge transport compound and a polymer blended binder to render photoelectrical stability, tune-ability, and surface contact friction reduction for providing service life extension. The polymer blended binder used in the imaging layer(s) is a binary polymer blend binder consisting of: (1) an a-b diblock copolymer and a bisphenol polycarbonate and a low surface energy polysiloxane/polycarbonate random copolymer and (2) an a-b diblock copolymer and a low surface energy graft polysiloxane/polycarbonate copolymer..
Xerox Corporation
02/19/15
20150050587
 Imaging members having electrically and mechanically tuned imaging layers patent thumbnailImaging members having electrically and mechanically tuned imaging layers
An electrophotographic imaging member which has improved imaging layer(s) formulated to comprise a charge transport compound and a polymer blended binder to render photoelectrical stability, tune-ability, and surface contact friction reduction for providing service life extension. The polymer blended binder used in the imaging layer(s) is a binary polymer blend consisting of: (1) an a-b diblock copolymer and a bisphenol polycarbonate and (2) an a-b diblock copolymer and a bisphenol polycarbonate plus a slippery nano poss particle dispersion in its material matrix..
Xerox Corporation
02/19/15
20150050297
 Use of a glycosylated-modified tetrafunctional non-ionic amphiphilic block copolymer as immune adjuvant patent thumbnailUse of a glycosylated-modified tetrafunctional non-ionic amphiphilic block copolymer as immune adjuvant
The present invention relates to a use of at least one glycosylated tetrafunctional amphiphilic block copolymer, as immune adjuvant.. .
Universite De Nantes
02/19/15
20150048049
 Method and  forming a periodic pattern using a self-assembled block copolymer patent thumbnailMethod and forming a periodic pattern using a self-assembled block copolymer
A method for causing a first polymer and a second polymer of a block copolymer to be self-assembled on an underlayer film and forming a periodic pattern in a guide layer is provided. The method includes a first etching process of etching the second polymer by plasma generated from a first gas, a first film deposition process of depositing a first protective film on surfaces of the first polymer and the guide layer except for an etched portion of the second polymer by plasma generated from a second gas after the first etching process, and a second etching process of further etching the second polymer by the plasma generated from the first gas after the first film deposition process..
Tokyo Electron Limited
02/19/15
20150047983

Carbon composition with hierarchical porosity, and methods of preparation


A method for fabricating a porous carbon material possessing a hierarchical porosity, the method comprising subjecting a precursor composition to a curing step followed by a carbonization step, the precursor composition comprising: (i) a templating component comprised of a block copolymer, (ii) a phenolic component, (iii) a dione component in which carbonyl groups are adjacent, and (iv) an acidic component, wherein said carbonization step comprises heating the precursor composition at a carbonizing temperature for sufficient time to convert the precursor composition to a carbon material possessing a hierarchical porosity comprised of mesopores and macropores. Also described are the resulting hierarchical porous carbon material, a capacitive deionization device in which the porous carbon material is incorporated, as well as methods for desalinating water by use of said capacitive deionization device..
Ut-battelle, Llc
02/12/15
20150045520

Compositions of resin-linear organosiloxane block copolymers


Hot melt adhesive compositions are disclosed containing the reaction product of a resin linear organosiloxane block copolymer and an organosilane capping agent containing hydrolyzable groups.. .
Dow Corning Corporation
02/12/15
20150045486

Curable compositions of resin-linear organosiloxane block copolymers


Curable compositions of resin-linear organosiloxane block copolymers having improved shelf stability are disclosed. A stabilizer compound is added to the resin-linear organosiloxane block copolymer which increases the temperatures needed to effect final cure of the compositions.
Dow Corning Corporation
02/12/15
20150044874

Pattern formation method


According to one embodiment, a pattern formation method includes: forming a first guide layer having of first openings exposing a surface of an underlayer, and the first openings being arranged in a first direction; forming a second guide layer on the underlayer and on the first guide layer, the second guide layer extending in the first direction, the second guide layer dividing each of the first openings into the first opening portion and the second opening portion, and the second guide layer being sandwiched by a first opening portion and a second opening portion; forming a block copolymer layer in each of the first opening portion and the second opening portion; forming a first layer and a second layer surrounded by the first layer in each of the first opening portion and the second opening portion by phase-separating the block copolymer layer; and removing the second layer.. .
Kabushiki Kaisha Toshiba
02/12/15
20150044371

Method of producing structure containing phase-separated structure, phase separated structure, and block copolymer composition


A method of producing a structure containing a phase-separated structure, including applying a neutralization film to a substrate to form a layer of a neutralization film; applying a block copolymer having a plurality of polymers bonded thereto, and a weight average molecular weight of 150,000 or more to the layer of the neutralization film, so as to form a layer containing the block copolymer and having a coating film thickness of 23 nm or less; and phase-separating the layer containing the block copolymer.. .
Tokyo Ohka Kogyo Co., Ltd.
02/12/15
20150043241

Light guide and associated light assemblies


A light guide has a transmission of greater than 90 percent, a refractive index greater than 1.4, and less than 10 haze percent. The light guide also includes an organosiloxane block copolymer having a weight average molecular weight of at least 20,000 g/mole.
Dow Corning Corporation
02/05/15
20150038392

Anionic micelles with cationic polymeric counterions systems thereof


The invention relates to a polymer-micelle complex. The polymer-micelle complexes include a negatively charged micelle that is electrostatically bound to a water-soluble polymer bearing a positive charge.
The Clorox Company
02/05/15
20150037579

Hot melt adhesive composition for bonding packs of containers


The present invention relates to a hot melt adhesive composition comprising homogeneous linear or substantially linear ethylene/alpha-olefin interpolymers, block copolymers, tackifying resins and waxes, and their use in the bonding of bundles of containers such as bottles or cans into packs.. .
H.b. Fuller Company
02/05/15
20150037557

Sustainable polymer films


Sustainable film compositions and articles including recycled elastomer. The compositions comprise one or more virgin polymers.
Kimberly-clark Worldwide, Inc.
02/05/15
20150034595

Method of producing structure containing phase-separation structure, forming pattern, and forming fine pattern


A method of forming a structure containing a phase-separated structure, the method including: a step of forming a layer containing a block copolymer having a plurality of blocks bonded and a purity of 98% or more, and a step of phase-separating the layer containing the block copolymer.. .
Tokyo Ohka Kogyo Co., Ltd.
02/05/15
20150034594

Methods of providing patterned templates for self-assemblable block copolymers for use in device lithography


A method is disclosed to form a patterned template on a substrate, to direct orientation of a self-assemblable block copolymer. The method involves providing a resist layer of a positive tone resist on the substrate and overexposing the resist with actinic (e.g.
Asml Netherlands B.v.
02/05/15
20150034593

Method of producing structure containing phase-separated structure, forming pattern and forming fine pattern


A method of producing a structure containing a phase-separated structure, including: forming a layer including a neutralization film on a substrate; forming a layer containing a block copolymer on the layer including the neutralization film, the pa block and pb block being mutually bonded in the block copolymer, and the pb block including a structural unit other than a structural unit constituting the pa block; and subjecting the layer containing the block copolymer to an annealing treatment, such that, in the case where a surface free energy of the pa block, a surface free energy of the pb block and a surface free energy of the neutralization film are represented by a coordinate point a of the pa block, a coordinate point b of the pb block and a coordinate point n of the neutralization film, respectively in the plane of coordinates, the coordinate point n of the neutralization film is within the predetermined range.. .
Tokyo Ohka Kogyo Co., Ltd.
01/29/15
20150031841

Compositions of resin-linear organosiloxane block copolymers


A process is disclosed for preparing a resin-linear organosiloxane block copolymer by reacting a silanol terminated linear organosiloxane and an organosiloxane resin containing hydrolyzable groups to form a resin-linear organosiloxane block copolymer. The resulting resin-linear organosiloxane block copolymer is then crosslinked to sufficiently increase the average molecular weight of the resin-ituted organosiloxane block copolymer by at least 50%.
Dow Corning Corporation
01/29/15
20150031826

Compositions of resin-linear organosiloxane block copolymers


A process for preparing resin-linear organosiloxane block copolymers is disclosed. The process involves an initial hydrosilylation reaction to link a linear organosiloxane block with a resin organosiloxane portion to form the resin-linear block copolymer.
Dow Corning Corporation
01/29/15
20150030971

Process for controlling the period characterizing the morphology obtained from a blend of block copolymers and of co(polymers) of one of the blocks


The present invention relates to a process for controlling the period characterizing the morphology obtained from a blend of block copolymers and of (co)polymers of one of the blocks on a surface employing a particular way of carrying out the synthesis of the blend of block copolymers and of (co)polymers of one of the blocks.. .
Arkema France
01/29/15
20150030933

Separator comprising a porous layer and producing said separator


The present invention relates to a separator for an electrochemical cell, preferably a lithium ion battery, comprising a porous layer which comprises at least one block copolymer having three or more polymer blocks and at least one aluminum oxide or hydroxide, a lithium ion battery comprising such a separator, and a method for producing such a separator.. .
Sihl Gmbh
01/29/15
20150030839

Pressure sensitive adhesive foams and articles therefrom


There is provided a pressure sensitive adhesive foam comprising a foam comprising a non-syntactic foam blend of styrenic block copolymer and acrylic copolymer wherein the pressure-sensitive adhesive foam has an elongation of greater than 600%, wherein the non-syntactic foam blend is a hot melt formed foam. There is also provided multilayer pressure sensitive adhesive foams, pressure sensitive adhesive foam tapes and articles made using such pressure sensitive adhesive foam..
3m Innovative Properties Company
01/29/15
20150030684

Irrigation resistant compositions for regeneration of hard tissues and methods and kits of using the same


An irrigation resistant bone repair composition including a biocompatible or bioactive bone repair material and a mixture of non-random poly(oxyalkylene) block copolymers is described. Also, methods for treating a bone having a bone gap or a bone defect with the composition including a biocompatible or bioactive bone repair material and a mixture of non-random poly(oxyalkylene) block copolymers are also provided.
01/29/15
20150030652

Block copolymers of acrylates and methacrylates with fluoroalkenes


A block copolymer comprising a fluorinated block and a non-fluorinated block and method of making the block copolymer are provided. Also provided herein are a coating on an implantable device comprising the block copolymer and method of using the implantable device..
Abbott Cardiovascular Systems Inc.
01/29/15
20150030275

Gel lubricant, rolling bearing, pivot assembly bearing, and hard disk drive


There is provided a gel lubricant including: a base oil containing an ester synthetic oil and a synthetic hydrocarbon oil in which the mass ratio (x:y) of the ester synthetic oil (x) to the synthetic hydrocarbon oil (y) is in the range of 35:65 to 75:25; and a gelatinizer which contains two kinds of styrene block copolymers and is included in the gel lubricant in an amount of 1.5% by mass to 10% by mass.. .
Minebea Co., Ltd.
01/29/15
20150028325

Method for producing mold for transferring fine pattern, producing substrate having concave-convex structure using same, and producing organic el element having said substrate having concave-convex structure


A mold for transferring a fine pattern, suitable for producing a substrate having a concave-convex structure such as a diffraction grating, can be provided by a simple process and with a high throughput. A method for producing a mold for transferring a fine pattern includes: a step of coating a surface of a base member with a solution containing a block copolymer and polyalkylene oxide; a solvent phase-separation step of phase-separating the block copolymer under a presence of vapor of an organic solvent so as to obtain a block copolymer film of the block copolymer, the block copolymer film having a concave-convex structure on a surface thereof and a horizontal cylinder structure in an interior thereof; a step of stacking a metal layer by electroforming; and a step of releasing the base member having the concave-convex structure formed thereon from the metal layer..
Jx Nippon Oil & Energy Corporation
01/22/15
20150025165

Foamable compositions, foams and articles thereof


A foamable composition comprising at least an olefin block copolymer, an olefin copolymer, an oil, a blowing agent and a crosslinking agent is provided. The olefin block copolymer has a mw/mn from 1.7 to 3.5, and at least one melting point, tm, in degrees celsius, and a density, d, in gram/cubic centimeter, wherein the numerical values of tm and d correspond to the relationship: tm>−2002.9+4538.5(d)−2422.2(d)2.
Dow Global Technologies Llc
01/22/15
20150025106

Thermogel formulation for combination drug delivery


The invention provides a drug delivery system for a combination of therapeutic agents. The system includes a water soluble biodegradable aba-type triblock copolymer that possesses thermosensitive gelation properties.
Wisconsin Alumni Research Foundation
01/22/15
20150024967

Three-dimensional fibrous scaffolds for cell culture


Provided herein is a three-dimensional scaffold composition comprising randomly oriented fibers, wherein the fibers comprise a polyethylene glycol-polylactic acid block copolymer (peg-pla) and a poly(lactic-co-glycolic acid) (plga). Also provided are methods for using the three-dimensional scaffolds described herein..
University Of South Florida (a Florida Non-profit Corporation)
01/22/15
20150024488

Nucleic acid complex


The present invention relates to a complex comprising a cationic block copolymer and a nucleic acid, the cationic block copolymer having at least a tri-block structure comprising a cationic block and two hydrophilic blocks, or a hydrophilic block and two cationic blocks.. .
Commonwealth Scientific And Industrial Research Organisation
01/22/15
20150024227

Block copolymer, process and composition


There is described a block copolymer comprising at least a block [a] and a block [b], where: (a) (i) block [a] comprises from 5 to 95 mole-% per mole-% of the block [a] of itaconate functional moieties; (b) (i) block [b] is substantially free of itaconate functional moieties. Preferably the block copolymer is made by a controlled radical polymerisation (crp) such as reversible addition-fragmentation chain transfer (raft)..
Dsm Ip Assets B.v.
01/22/15
20150024163

Force spun sub-micron fiber and applications


A process of forming a non-woven web including spinning continuous polymeric filaments including one selected from a poly(phenylene ether) component, a poly(phenylene ether)-polysiloxane block copolymer, and combinations thereof. The filaments can have a length to diameter ratio that is more than 1,000,000, and a diameter ranging from 50 nanometers to 5 microns.
Sabic Global Technologies B.v.
01/22/15
20150021293

Method for providing a nanopattern of metal oxide nanostructures on a substrate


A method for providing a nanopattern of periodically ordered metal oxide nanostructures on a substrate is described. The method comprises the steps of providing a microphase separated block copolymer as a thin film on a substrate, the block copolymer comprising a first polymer having an affinity for a cations of the metal and a second polymer having a lower affinity for the cations than the first polymer, and selectively incorporating a salt of the metal cation into the first polymer of the block copolymer by means of a solvation process prior to or after formation of the microphase separated block copolymer.
University College Cork-national University Of Ireland, Cork
01/15/15
20150018498

Purification of functionalized triblock copolymers via methanol trituration


A method of making a pure block copolymer includes forming a crude block copolymer; heating a solution of the crude block copolymer and alcohol; and cooling the solution to promote precipitation of a purified block copolymer, wherein an amount of impurities remaining in the purified block copolymer is from about 0 to about 5 wt % based on a total weight of the purified block copolymer; a ratio of a polydispersity index of the crude block copolymer to a polydispersity index of the purified block copolymer is from about 1.02 to about 1.25; a ratio of a molecular weight of the crude block copolymer to a molecular weight of the purified block copolymer is from about 0.75 to about 1.0; and a ratio of a number average molecular weight of the crude block copolymer to a number average molecular weight of the purified block copolymer is from about 0.65 to about 1.. .
Xerox Corporation
01/15/15
20150018496

Polyester/polycarbonate block copolymers via one-pot, neat ring opening polymerization


The instant disclosure describes polyester synthesis processes, including processes for the ring-opening polymerization (rop) of cyclic organic monomer components and components comprising a functional group using an organocatalyst system to effect rop-based block copolymer preparation.. .
Xerox Corporation
01/15/15
20150018483

Method for generation of nanoparticles


A discrete nanostructure formed by a method comprising providing an aliphatic multi-block copolymer. The aliphatic multi-block copolymer includes at least one polyester block and at least one functionalized polycarbonate block.
Xerox Corporation
01/15/15
20150018476

Fluorinated acrylate block copolymers with low dynamic surface tension


The present invention relates to a composition, comprising a binder resin, a block copolymer which comprises at least a block a and a block b, wherein the block a comprises monomer units derived from a compound selected from (meth)acrylic acid, a (meth)acrylic acid ester, a (meth)acrylamide, a vinyl aromatic compound, or any mixture thereof, the block b comprises monomer units derived from a compound selected from a fluorinated (meth)acrylic ester having the following formula (i): h2c═c(r1)(c(0)orf-1), wherein r1 is h or methyl; and rf-1 is an organic residue containing a perfluorinated c4-6alkyl group, a fluorinated alpha-olefin having the following formula (ii): h2c═ch(rf-2) (ii) wherein rf-2 is an organic residue containing a perfluorinated c4-6 alkyl group, i.e. —(cf2)3-5—cf3 or any mixture thereof..
Basf Se
01/15/15
20150018461

Adhesive composition and method


An adhesive composition contains a block copolymer hot melt adhesive and a vapor releasing vapor corrosion inhibitor mixed with the block copolymer hot melt adhesive, the vapor corrosion inhibitor being in the form of particles suspended in the adhesive composition, the particles preferably having a maximum dimension of less than about 30 microns. One improvement results from inclusion in the adhesive mixture of a titanium and/or zirconium containing coupling agent, either separately or as part of the vci particles.
Transhield Technology As
01/15/15
20150017868

Hot melt adhesive containing a hydrogenated styrenic block copolymer and an ethylene vinyl acetate copolymer exhibiting low blocking force


A hot melt adhesive composed of an ethylene vinyl acetate copolymer, a hydrogenated styrenic block copolymer, a tackifying resin, and a liquid plasticizer. The preferred ethylene vinyl acetate copolymer has a vinyl acetate content between 8 and 28 percent by weight, and the preferred hydrogenated styrenic block copolymer is a styrene-ethylene-butylene-styrene having about 30% styrene content and essentially no diblock.
Bostik, Inc.
01/15/15
20150017547

Electrochemical devices based on block copolymers


The present invention relates generally to electrolyte materials. According to an embodiment, the present invention provides for a solid polymer electrolyte material that has high ionic conductivity and is mechanically robust.
Seeo, Inc
01/15/15
20150017392

Reflective films, articles and methods of making the same


A reflective film or article including a substrate, a smoothing layer adjoining and extending across at least a portion of the first major surface of the substrate, a tie layer having a first major surface adjoining and extending across at least a portion of the second major surface of the substrate, and a metallic layer adjoining and extending across at least a portion of the second major surface of the tie layer. The smoothing layer includes poly(methyl methacrylate) and a first block copolymer having at least two endblock polymeric units and at least one midblock polymeric unit derived from first and second monoethylenically unsaturated monomers selected from a methacrylate, acrylate, vinyl ester, or combination thereof, respectively, each endblock having a glass transition temperature (tg) of at least 50° c., and each endblock having a tg no greater than 20° c..
3innovative Properties Company
01/15/15
20150017177

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
01/15/15
20150013908

Etching apparatus


An etching apparatus includes a controller configured to control a high frequency power supply to supply a high frequency power to a mounting table for etching a polymer layer formed on a base layer placed on the mounting table, using plasma generated from a predetermined gas supplied from a gas supply source by the high frequency power, the polymer layer having a periodic pattern of a first polymer and a second polymer formed by self-assembling the first polymer and the second polymer of a block copolymer that is capable of being self-assembled, the high frequency power being set for etching the polymer layer using the generated plasma such that the second polymer is removed and a pattern of the first polymer is formed for subsequently etching the base layer using the pattern of the first polymer as a mask.. .
Tokyo Electron Limited
01/15/15
20150013741

Thermoelectric conversion material


The present invention provides a thermoelectric conversion material of which the structure is controlled to have nano-order microscopic pores and which has a low thermal conductivity and has an improved thermoelectric performance index. In the thermoelectric conversion material having a thermoelectric semiconductor layer formed on a block copolymer substrate that comprises a block copolymer having microscopic pores, wherein the block copolymer comprises a polymer unit (a) formed of a monomer capable of forming a homopolymer having a glass transition temperature of 50° c.
Lintec Corporation
01/08/15
20150011700

Preparation, purification and use of high-x diblock copolymers


This invention relates to the preparation and purification of high-x (“chi”) diblock copolymers. Such copolymers contain two segments (“blocks”) of polymers with significantly different interaction parameters and can be used in directed self-assembly applications..
E.i. Du Pont De Nemours And Company
01/08/15
20150011687

Aqueous pigment dispersion liquid and aqueous pigment inkjet ink using same


The present invention is an aqueous pigment dispersion liquid for inkjet comprising a pigment and a pigment dispersant. The pigment dispersant is at least any one of a graft copolymer and a block copolymer each comprising a polymer chain a and a polymer chain b, wherein the polymer chain a comprises 20 to 60 mass % of a constituent unit derived from a first cycloalkyl group-containing (meth)acrylate, 10 to 35 mass % of a constituent unit derived from (meth)acrylic acid, and 5 to 70 mass % of a constituent unit derived from another (meth)acrylate and the polymer chain b comprises at least any one of a constituent unit derived from a second cycloalkyl group-containing (meth)acrylate and a constituent unit derived from a vinyl monomer or (meth)acrylate having an aromatic ring..
Dainichiseika Color & Chemicals Mfg. Co., Ltd.
01/08/15
20150011447

Additives for fuels and oils comprising functionalised diblock copolymers


Concentrates containing specific functionalised diblock copolymers serve as effective additives for improving the cold flow behaviour of fuels and oils, the copolymers being derived from a terminally-unsaturated intermediate polymer obtained via a metallocene process involving hydrogen.. .
01/08/15
20150011089

Pattern formation method


According to one embodiment, a pattern formation method includes forming a layer above an underlying layer. The layer includes a block copolymer.
Kabushiki Kaisha Toshiba
01/08/15
20150010869

Methods of providing patterned chemical epitaxy templates for self-assemblable block copolymers for use in device lithography


A method of forming a patterned chemical epitaxy template, for orientation of a self-assemblable block copolymer including first and second polymer blocks, on a surface of a substrate, the method including applying a primer layer of a primer composition to the surface, the primer composition including a first polymer moiety having a chemical affinity with the first polymer blocks and a second polymer moiety having a chemical affinity with the second polymer blocks, selectively exposing the surface, the primer layer and any overlying layer to actinic radiation to provide exposed and unexposed regions, to render labile the first polymer moiety in the exposed region, and removing the labile first polymer moiety from the exposed region to deplete the primer layer surface in the exposed region of first polymer moiety to form the patterned chemical epitaxy template.. .
Asml Netherlands B.v.
01/08/15
20150010849

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
01/08/15
20150010765

Polyolefin elastomer formulations


Disclosed are olefin block copolymer formulations comprising polyethylene and polypropylene that provide improved adhesion properties to polypropylene while maintaining desired flexural modulus characteristics and are particularly suited for overmolded goods.. .
Dow Global Technologies Llc
01/08/15
20150010747

Polypropylene-based resin composition and foam sheet


Provided is a polypropylene-based resin composition which gives uniform and fine cells and from which a foamed sheet and thermoform excellent in appearance, thermoformability, impact resistance, lightness, stiffness, heat resistance, heat insulating properties, oil resistance and the like can be produced. A polypropylene-based resin composition comprising (x) 5 to 99% by weight of a polypropylene resin having a structure with long chain branches, and (y) 1 to 95% by weight of a propylene-based block copolymer produced by sequential polymerization, which block copolymer comprises (y-1) a propylene (co)polymer and (y-2) a propylene-ethylene copolymer, said resin (x) having properties (x-i) to (x-iv) and said block copolymer (y) having properties (y-i) to (y-v), and the like..
Japan Polypropylene Corporation
01/08/15
20150010743

Films including a copolymer, articles and methods


A film including poly(vinylidene fluoride) and a block copolymer with at least two endblock polymeric units that are each derived from a first monoethylenically unsaturated monomer selected from a methacrylate, acrylate, styrene, or combination thereof; and at least one midblock polymeric unit is derived from a second monoethylenically unsaturated monomer selected from a methacrylate, acrylate, vinyl ester, or combination thereof, each endblock having a glass transition temperature of at least 50° c., and each midblock having a glass transition temperature no greater than 20° c. The film may further include poly(methyl methacrylate).
3innovative Properties Company
01/08/15
20150010490

Anti-adhesion polymer composition capable of supporting growth factor


The present invention relates to an anti-adhesion polymer composition capable of supporting growth factor, which effectively exhibits anti-adhesion function and, at the same time, has an excellent adhesive property so as to be able to easily and continuously adhere to a wound site, has antibacterial and hemostatic properties, and is composed of an injectable formulation suitable for use in minimally invasive surgery, laparoscopic surgery or the like. The anti-adhesion polymer composition capable of supporting growth factor comprises: 24-50 wt % of a polyethyleneglycol-polypropyleneglycol-polyethyleneglycol (peg-ppg-peg) block copolymer having a polyethyleneglycol (peg) content of 65-85 wt % and a molecular weight of 6,000-20,000 da; 0.03-5 wt % of gelatin; 0.03-5 wt % of chitosan; and distilled water..
Cg Bio Co., Ltd.
01/01/15
20150005605

Diffusion barriers and spacer membranes for enzymatic in-vivo sensors


An electrode system is disclosed for measuring a concentration or presence of an analyte under in-vivo conditions, where the electrode system includes at least one electrode with immobilized enzyme molecules and an improved diffusion barrier that controls diffusion of the analyte from body fluid surrounding the electrode system to the enzyme molecules. The diffusion barrier includes a hydrophilic polyurethane or a block copolymer having at least one hydrophilic block and at least one hydrophobic block.
Roche Diagnostics Operations, Inc.
01/01/15
20150005466

Ab block copolymer dispersants having an ink vehicle soluble block


The present disclosure provides a block copolymeric dispersant composition, wherein the dispersant composition includes an a block and a b block, wherein the a block is a segment having a block size of about 5 to about 18 units, is substantially free of hydroxyethylmethacrylate, and makes up at least 50% by weight of a monomer, having the following structure: ch2═crc(o)o(chr1ch2o)nr2, wherein r and r1 are h, or methyl; r2 is alkyl of 1-4 carbon atoms or phenyl; and n is about 1 to about 20; and the b block is a segment including an ionic monomer and at least one hydrophobic monomer; and wherein the dispersant is neutralized.. .
E I Du Pont De Nemours And Company
01/01/15
20150005436

Resealable thermoplastic elastomer articles


A thermoplastic elastomer (tpe) composition is provided which contains a blend of a hydrogenated styrenic block copolymer (sbc) having a number average molecular weight (mn) greater than about 200,000 daltons (da), a polypropylene, a mineral oil, and at least one filler. The composition has a hardness less than about 80 shore a and is resealable.
West Pharmaceutical Services, Inc.
01/01/15
20150004402

Intumescent coating composition comprising particulate poly(phenylene ether)


An intumescent coating composition having improved char yield, while maintaining its physical, mechanical, and esthetic properties comprises (a) particulate poly(phenylene ether), wherein the mean particle size of the poly(phenylene ether) is 1 to 100 micrometers; (b) a film-forming binder; (c) an acid source; (d) a blowing agent; and (e) optionally, a carbon source other than the particulate poly(phenylene ether); wherein polyolefins, homopolystyrenes, rubber-modified polystyrenes, styrene-containing copolymers, and hydrogenated and unhydrogenated block copolymers of an alkenyl aromatic compound and a conjugated diene are all absent from the composition. A method of forming the intumescent coating composition comprises: mixing the particulate poly(phenylene ether), the film-forming binder, the acid source, and the blowing agent, wherein the particulate poly(phenylene ether) has a glass transition temperature, and wherein the mixing is carried out at a temperature below the glass transition temperature of the particulate poly(phenylene ether)..
Sabic Innovative Plastics Ip B.v.
01/01/15
20150004394

Polypropylene-based resin composition and foam sheet


Provided is a polypropylene-based resin composition which gives uniform and fine cells and from which a foamed sheet and thermoform excellent in appearance, thermoformability, impact resistance, lightness, stiffness, heat resistance, heat insulating properties, oil resistance and the like can be produced. A polypropylene-based resin composition comprising (x) 5 to 99% by weight of a polypropylene resin having a structure with long chain branches, and (y) 1 to 95% by weight of a propylene-based block copolymer produced by sequential polymerization, which block copolymer comprises (y-1) a propylene (co)polymer and (y-2) a propylene-ethylene copolymer, said resin (x) having properties (x-i) to (x-iv) and said block copolymer (y) having properties (y-i) to (y-v), and the like..
Japan Polypropylene Corporation
01/01/15
20150004379

Preparation, purification and use of high-x diblock copolymers


This invention relates to the preparation and purification of high-x (“chi”) diblock copolymers. Such copolymers contain two segments (“blocks”) of polymers with significantly different interaction parameters and can be used in directed self-assembly applications..
E I Du Pont Nemours And Company
01/01/15
20150001567

Solid state light and forming


Optical assemblies comprising an optical device and a composition comprising a resin-linear organosiloxane block copolymer are disclosed. In some embodiments, the organosiloxane block copolymers has a weight average molecular weight of at least 20,000 g/mole and includes 40 to 90 mole percent disiloxy units of the formula [r12sio2/2] arranged in linear blocks each having an average of from 10 to 400 disiloxy units [r12sio2/2] per linear block, 10 to 60 mole percent trisiloxy units of the formula [r2—sio3/2] arranged in non-linear blocks each having a weight average molecular weight of at least 500 g/mol, and 0.5 to 25 mole percent silanol groups.
Dow Corning Torray Co., Ltd.
12/25/14
20140378617

Preparation of amphiphilic block polymers by controlled radical micellar polymerisation


The present invention relates to the preparation of block copolymers, which can be used in particular as rheology agents, suitable, inter alia, for oil extraction, comprising a step of radical micellar polymerisation wherein the following are brought into contact in an aqueous medium: —hydrophilic monomers, dissolved or dispersed in the aqueous medium; —hydrophobic monomers in the form of a micellar solution, i.e. Containing, in a dispersed state, micelles comprising these hydrophobic monomers; —at least one radical polymerisation initiator; and —at least one radical polymerisation control agent.
Rhodia Operations
12/25/14
20140378592

Neutral layer polymers, methods of manufacture thereof and articles comprising the same


Disclosed herein is a block copolymer comprising a first segment and a second segment that are covalently bonded to each other and that are chemically different from each other; where the first segment has a first surface free energy and where the second segment has a second surface free energy; and an additive copolymer; where the additive copolymer comprises a surface free energy reducing moiety where the surface free energy reducing moiety has a lower surface free energy than that of the first segment and the second segment; the additive copolymer further comprising one or more moieties having an affinity to the block copolymer; where the surface free energy reducing moiety is chemically different from the first segment and from the second segment; where the additive copolymer is not water miscible; and where the additive copolymer is not covalently bonded with the block copolymer.. .
Rohm And Haas Electronics Materials Llc
12/25/14
20140378566

Foam composition with olefin block copolymer gel particles


The present disclosure is directed to a composition and articles containing the composition. The composition comprises a foam and a plurality of gel particles dispersed in the foam.
Dow Global Technologies Llc
12/25/14
20140377965

Directed self-assembly (dsa) formulations used to form dsa-based lithography films


An illustrative dsa formulation disclosed herein includes a block copolymer material, a casting solvent and at least one plasticizer agent. An illustrative method disclosed herein includes depositing a liquid dsa formulation on a guide layer, performing a spin-coating process to form a dsa-based material layer comprised of the liquid dsa formulation above the guide layer, wherein the dsa-based material layer includes at least one plasticizing agent and, after performing the spin-coating process, performing at least one heating process on the dsa-based material layer while at least some of the plasticizing agent remains in the dsa-based material layer so as to enable phase separation of block copolymer materials..
Globalfoundries Inc.
12/25/14
20140377956

Pattern forming method


According to one embodiment, first, on a process object, a hydrophilic guide pattern including a first hole forming pattern having a first hole diameter and a second hole forming pattern having a second hole diameter is formed. Then, above the guide pattern, a frame pattern having a first opening region in a forming region of a plurality of the first hole forming patterns and a second opening region in a forming region of a plurality of the second hole forming patterns is formed.
Kabushiki Kaisha Toshiba
12/25/14
20140377576

Adhesion promoter composition for polyolefin substrate


The present disclosure is directed to an adhesion promoter composition comprising of a solvent and a functionalized olefin block copolymer, and articles with the adhesion promoter composition applied thereto. The adhesion promoter composition can be halogen-free..
Dow Global Technologies Llc
12/25/14
20140377535

Blends of block copolymer and acrylic adhesives


Pressure sensitive adhesive compositions containing 92 to 99.9 parts of a block copolymer adhesive composition and 0.1 to less than 8 parts of an acrylic adhesive composition are described. Tapes including such adhesives, and methods of making such tapes are also described..
3m Innovative Properties Company
12/25/14
20140377533

Blends of block copolymer and acrylic adhesives


Pressure sensitive adhesive compositions containing 92 to 99.9 parts of a block copolymer adhesive composition and 0.1 to less than 8 parts of an acrylic adhesive composition are described. Tapes including such adhesives, and methods of making such tapes are also described..
3m Innovative Properties Company
12/25/14
20140377518

Orientation control layer polymers, methods of manufacture thereof and articles comprising the same


Disclosed herein is a method comprising disposing a first composition comprising a first block copolymer upon a substrate; where the first block copolymer comprises a first segment and a second segment that are covalently bonded to each other and that are chemically different from each other; where the first segment has a first surface free energy and where the second segment has a second surface free energy; and disposing a second composition comprising an second copolymer upon a free surface of the first block copolymer; where the second copolymer comprises a surface free energy reducing moiety; where the surface free energy reducing moiety has a lower surface free energy than the first surface free energy and the second surface free energy; the second copolymer further comprising one or more moieties having an affinity to the first block copolymer; where the surface free energy reducing moiety is chemically different from the first segment and from the second segment.. .
Rohm And Haas Electronic Materials Llc
12/25/14
20140377511

Methods for sealing the edges of multi-layer articles


Methods for preparing edge-sealed multi-layer film articles include applying a sealant composition to a multi-layer film article that includes at least one polymeric film layer, and permitting the sealant composition to dry to form an edge-sealed article. The sealant composition includes at least one solvent capable of softening, penetrating or dissolving the polymeric film layer of the multi-layer film article, and at least one polymer dissolved in the solvent.
3m Innovative Properties Company
12/25/14
20140377481

Terpene/isoolefin copolymers having substantially heterogeneous compositional distribution and displaying thermoplastic elastomeric properties


Copolymers having a substantially heterogeneous composition distribution and strong uv absorption comprise the direct reaction product of an isoolefin and at least one terpene having the molecular formulae of (c5h8)n where n is equal to or greater than two, and optionally additional monomers. More specifically, the invention relates to copolymers of isobutylene and alloocimene that exhibit thermoplastic elastomeric properties and exhibit strong filler interaction.
University Of Akron
12/25/14
20140377465

Neutral layer polymers, methods of manufacture thereof and articles comprising the same


Disclosed herein is a block copolymer comprising a first segment and a second segment that are covalently bonded to each other and that are chemically different from each other; where the first segment has a first surface free energy and where the second segment has a second surface free energy; and an additive copolymer; where the additive copolymer comprises a surface free energy reducing moiety where the surface free energy reducing moiety has a lower surface free energy than that of the first segment and the second segment; the additive copolymer further comprising one or more moieties having an affinity to the block copolymer; where the surface free energy reducing moiety is chemically different from the first segment and from the second segment; where the additive copolymer is not water miscible; and where the additive copolymer is not covalently bonded with the block copolymer.. .
Dow Global Technologies Llc
12/25/14
20140377193

Oral care compositions


Oral care compositions comprising a crosslinked polyvinylpyrrolidone complexed with hydrogen peroxide, together with an ethylene oxide-propylene oxide block copolymer. Some embodiments further comprise a calcium abrasive, e.g.
Colgate-palmolive Company


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

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