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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


Scale-up process of bifunctionalized triblock copolymers with secondary and tertiary amines, with application in…

Scale-up process of bifunctionalized triblock copolymers with secondary and tertiary amines, with application in…

Date/App# patent app List of recent Block Copolymer-related patents
12/11/14
20140364788
 Adhesive interface bandage patent thumbnailAdhesive interface bandage
Said adherent interface dressing comprises a non-adherent cohesive gel formed from a hydrophobic elastomeric matrix consisting of a styrene-(ethylene/butylene)-styrene or styrene-(ethylene/propylene)-styrene triblock elastomer optionally associated with a styrene-(ethylene/butylene) or styrene-(ethylene/propylene) diblock copolymer; said elastomer being highly plasticized by means of a mineral oil, and containing dispersed therein a small quantity of hydrophilic particles of a hydrocolloid; and a flexible open-mesh fabric, said fabric comprising threads coated with the non-adherent cohesive gel in such a way as to leave the meshes substantially unsealed, characterized in that the fabric is a heat-set knit with weft yarns, said yarns being continuous multifilament yarns with non-elastic filaments, whereof the extensibility in the transverse direction measured in accordance with standard en 13726-4 is between 0.01 and 0.5 n/cm.. .
12/11/14
20140364567
 Styrene-siloxane triblock copolymers as membranes for selective transport of alcohols and other organic compounds in aqueous mixtures patent thumbnailStyrene-siloxane triblock copolymers as membranes for selective transport of alcohols and other organic compounds in aqueous mixtures
The present disclosure relates to high molecular weight polystyrene-polydialkylsiloxane-polystyrene (“sds”) triblock copolymer compositions and methods of separating one or more organic compounds from an aqueous solution using membranes derived from sds triblock copolymers. The methods may be used to separate the one or more organic compounds from an aqueous solution produced in a fermentation process.
12/11/14
20140364566
 Scale-up process of bifunctionalized triblock copolymers with secondary and tertiary amines, with application in dewatering and desalting of heavy crude oils patent thumbnailScale-up process of bifunctionalized triblock copolymers with secondary and tertiary amines, with application in dewatering and desalting of heavy crude oils
A chemical synthesis process is provided for the functionalization of monodispersed triblock copolymer (poew-popy-poew) with secondary or tertiary amines at a semi-industrial level in glass reactors having a capacity between 1 l and 100 l. The process includes two stages where the first stage uses an alkylsulfonyl or arylsulfonyl chloride to obtain better leaving groups, and the second stage is the nucleophilic substitution with secondary or tertiary amines, to obtain the bifunctionalized triblock copolymers.
12/11/14
20140364555
 High flow, hydrogenated styrene-butadiene-styrene block copolymers and applications patent thumbnailHigh 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.
12/11/14
20140364532
 High flow, hydrogenated styrene-butadiene-styrene block copolymers and applications patent thumbnailHigh 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.
12/11/14
20140363572
 Composite membrane patent thumbnailComposite membrane
A method of making a composite membrane comprising the steps of forming a discriminating layer upon a surface of a porous support by sequentially applying immiscible coating solutions upon the support, wherein one coating solution comprises a crosslinking agent and another coating solution comprises a block copolymer, and the block copolymer comprises sacrificial segments and durable segments including reactive pendent groups which react with the crosslinking agent and form a crosslinked matrix comprising micro-domains of the sacrificial segments, and removing at least a portion of the sacrificial segments to yield pores.. .
12/11/14
20140363072
 Self-assemblable polymer and methods for use in lithography patent thumbnailSelf-assemblable polymer and methods for use in lithography
A method and system to analyze various dimensional parameters of a structure, such as a self-assembled block copolymer structure whether formed by graphoepitaxy or chemical epitaxy. The method involves image processing including median filtering and feature detection to determine critical dimension information, and optionally the use of a hough transform to find periodicity values and to determine placement errors..
12/11/14
20140360975
 Poly(cyclohexylethylene)-polyacrylate block copolymers, methods of manufacture thereof and articles comprising the same patent thumbnailPoly(cyclohexylethylene)-polyacrylate block copolymers, methods of manufacture thereof and articles comprising the same
Disclosed herein is a block copolymer comprising a first block derived from a cyclo-alkyl vinyl monomer, a hydrogenated vinyl aromatic polymer or a hydrogenated vinyl pyridine polymers; and a second block derived from an acrylate monomer. Disclosed herein too is a method comprising reacting a first block derived from a cyclo-alkyl vinyl monomer, a hydrogenated vinyl aromatic polymer or a hydrogenated vinyl pyridine polymers with an initiator to form a macroinitiator; and polymerizing a second block onto the first block to form a block copolymer; where the second block is derived by polymerizing an acrylate monomer; and where the block copolymer has a chi parameter of greater than or equal to about 0.05, when measured at a temperature of 200° c.
12/11/14
20140360347
 High density unidirectional fabric for soft ballistics applications patent thumbnailHigh density unidirectional fabric for soft ballistics applications
A ballistic article is comprised of high density fibers, where the linear mass density of the fibers is greater than 2000 dtex as measured by astm d1907 and the fibers in each layer have a total areal density greater than 100 g/m2. In one example, the ballistic article has two sheets comprising para-aramid fibers in a styrene and isoprene block copolymer matrix material..
12/04/14
20140357827
 Curable compositions of resin-linear organosiloxane block copolymers patent thumbnailCurable compositions of resin-linear organosiloxane block copolymers
Curable compositions of “resin-linear” organosiloxane block copolymers comprising a superbase catalyst are disclosed. The addition of a superbase catalyst to compositions of certain resin-linear organosiloxane block copolymers results in curable compositions having faster cure rates, and improved mechanical strength and/or thermal stability over similar compositions without the superbase catalyst.
12/04/14
20140357773
Silicone resin emulsions
A process for preparing silicone emulsions is disclosed based on using an ethylene oxide/propylene oxide block copolymer as the emulsifier. The silicone emulsions comprise: a) 0.5 wt % to 95 wt % of a silicone resin or pressure sensitive adhesive (psa), b) 0.1 to 90 wt % of a ethylene oxide/propylene oxide block copolymer, and sufficient amount of water to sum to 100 weight percent.
12/04/14
20140357759
Rubber composition, rubber elastomer, tire and block copolymer
A rubber composition by which a rubber elastic body having both of excellent low rolling resistance and wet skid resistance and also having excellent mechanical strength and wear resistance can be obtained, a rubber elastic body, a tire, and a block copolymer are provided. The rubber composition of the present invention comprises a block copolymer (a) comprising a block (a-1) of a conjugate diene and an aromatic vinyl and a block (a-2) of a conjugate diene or the diene and an aromatic vinyl, a specific polymer (b) other than the copolymer, and a filler (c), wherein the block copolymer (a) has a specific functional group; the block copolymer (a) has two glass transition temperatures separated from each other by 5° c.
12/04/14
20140357083
Directed block copolymer self-assembly patterns for advanced photolithography applications
Embodiments of methods and an apparatus for utilizing a directed self-assembly (dsa) process on block copolymers (bcps) to form a defect-free photoresist layer for feature transfer onto a substrate are provided. In one embodiment, a method for performing a dry development process includes transferring a substrate having a layer of block copolymers disposed thereon into an etching processing chamber, wherein at least a first type and a second type of polymers comprising the block copolymers are aggregated into a first group of regions and a second group of regions on the substrate, supplying an etching gas mixture including at least a carbon containing gas into the etching processing chamber, and predominately etching the second type of the polymers disposed on the second groups of regions on the substrate in the presence of the etching gas mixture..
12/04/14
20140356405
Antimicrobial constructs
The invention is based on the recognition that known antimicrobial compounds, such as nisin or other lantibiotics, can be made to form a long lasting antimicrobial surface coating by linking the peptide with a block polymer, such as pluronic® f108 or an end group activated polymer (egap) in a manner to form a flexible tether and/or entrap the peptide. The entrapped peptide provides antimicrobial action by early release from entrapment while the tethered peptide provides longer lasting antimicrobial protection.
12/04/14
20140356315
Triblock copolymer and use therefor
Each cnr is independently a polymer segment having a repeating unit containing as part of a pendant group a cyclic nitroxide radical that binds to the polymer main chain via a linking group having at least one imino group or ether bond, and peg is a segment containing poly(ethylene glycol).. .
11/27/14
20140350189
Catalyst composition comprising shuttling agent for tactic/ atactic multi-block copolymer formation
(c) a chain shuttling agent.. .
11/27/14
20140350164
Block copolymer composition for hot melt adhesive
Provided is a block copolymer composition for a hot melt adhesive, which can provide a hot melt adhesive composition having excellent softening agent retainability, heat resistance and transparency. Disclosed is a block copolymer composition for a hot melt adhesive, comprising a block copolymer a and a block copolymer b each having a particular structure, characterized in that the aromatic vinyl monomer unit content of the block copolymer a is 30% to 50% by weight; the aromatic vinyl monomer unit content of the block copolymer b is 15% to 25% by weight; a content of the aromatic vinyl monomer units relative to all polymer components of the block copolymer composition is 18% to 45% by weight; the weight ratio (a/b) of the block copolymer a with respect to the block copolymer b is 20/80 to 80/20; and the ratio (mwa/mwb) of the weight average molecular weight of the block copolymer a (mwa) with respect to the weight average molecular weight of the block copolymer b (mwb) is 0.65 to 1.5..
11/27/14
20140350063
Biotherapeutics for the treatment of infectious diseases
An occlusive dressing made with an elastomeric gel and one or more active agents is described. The elastomeric gel contains a plasticizing oil phase and a block copolymer agent.
11/27/14
20140349486
Methods of utilizing block copolymer to form patterns
Some embodiments include methods of forming patterns utilizing copolymer. A main body of copolymer may be formed across a substrate, and self-assembly of the copolymer may be induced to form a pattern of structures across the substrate.
11/27/14
20140349127
Thermoplastic polymer composition and molded article
The present invention is a thermoplastic polymer composition which contains 10-120 parts by mass of a polar group-containing polypropylene resin (b) per 100 parts by mass of a thermoplastic elastomer (a) that is a block copolymer having a polymer block containing an aromatic vinyl compound unit and a polymer block composed of a conjugated diene unit having 40% by mole or more of 1,2-bonds and 3,4-bonds in total, or a hydrogenated product of the block copolymer (provided that a thermoplastic polymer composition containing 1 part by mass or more of a polyvinyl acetal resin is excluded). This thermoplastic polymer composition is able to be bonded with a ceramic, a metal or a synthetic resin without requiring a primer treatment, and has excellent flexibility, mechanical characteristics, moldability, heat resistance and storage stability..
11/27/14
20140348778
Reverse thermal gels and their use in cell therapy
Methods are disclosed herein for increasing survival of transplanted cells, either in vitro or in vivo. In additional embodiments, methods are disclosed for treating a subject with a spinal cord injury or a neurodegenerative disorder.
11/27/14
20140346714
Multilayer blown films for shrink applications
The present invention discloses multilayer blown films for shrink label and related applications. These multilayer blown films can comprise a core layer containing an ethylene polymer, and inner and outer layers containing conjugated diene monovinylarene block copolymers..
11/27/14
20140346142
Method for making a chemical contrast pattern using block copolymers and sequential infiltration synthesis
A method for making a chemical contrast pattern uses directed self-assembly of block copolymers (bcps) and sequential infiltration synthesis (sis) of an inorganic material. For an example with poly(styrene-block-methyl methacrylate) (ps-b-pmma) as the bcp and alumina as the inorganic material, the ps and pmma self-assemble on a suitable substrate.
11/27/14
20140346141
Self-assemblable polymer and methods for use in lithography
A method of forming a self-assembled block polymer layer, oriented to form an ordered array of alternating domains, is disclosed. The method involves providing a layer of the self-assemblable block copolymer on the substrate and depositing a first surfactant onto the external surface of the layer prior to inducing self-assembly of the layer to form the ordered array of domains.
11/20/14
20140343234
Curable compositions
Curable compositions including an epoxy resin, a hardener, and a block copolymer having a thermoset-philic block and a thermoset-phobic block, where the block copolymer is from 20 weight percent to 80 weight percent of the curable composition are described herein.. .
11/20/14
20140343229
Functionalized block composite and crystalline block composite compositions as compatibilizers
The invention provides functionalized block composites and crystalline block composites as compatibilizers. In particular, the invention provides compositions of at least three polymers and a compatibilizer.
11/20/14
20140343192
Thermoplastic elastomers via reversible addition-fragmentation chain transfer polymerization of triglycerides
The present invention relates to a thermoplastic block copolymer comprising at least one pa block and at least one pb block. The pa block represents a polymer block comprising one or more units of monomer a, and the pb block represents a polymer block comprising one or more units of monomer b.
11/20/14
20140343177
Block copolymers, their manufacture and their use
A functionalized block copolymer polymerized using vinylbenzylamino derivative monomers for use in such applications as anionic exchange membranes.. .
11/20/14
20140342345
Compositions and methods for refolding of denatured proteins
Compounds and methods for refolding of proteins in an aqueous solution. In particular, biocompatible multiblock copolymer surfactants such as poloxamers, meroxapols, poloxamines, or polyols are used to catalyze proper refolding without changing the protein composition, and restore the protein to its native conformation and native biological function.
11/20/14
20140342222
Si-block copolymer core-shell nanoparticles to buffer volumetric change and anode active material for lithium secondary battery using the same
The si-block copolymer core-shell nanoparticles include: a si core; and a block copolymer shell including a block having relatively relatively high affinity for si and a block having relatively low affinity for si and forming a spherical micelle structure around the si core. Since the si-block copolymer core-shell nanoparticles exhibit excellent dispersibility and stability in a mixed solution including the same, the si-block copolymer core-shell nanoparticles are easily applied to an anode active material for lithium secondary battery by carbonization thereof.
11/20/14
20140342005
Methods for the production, modification and use of metallic nanonparticles
A method for producing triblock copolymer-coated metallic nanoparticle seeds which increases the size and shape homogeneity of the triblock copolymer-coated metallic nanoparticle seeds. A quantity of triblock copolymer-coated metallic nanoparticle seeds.
11/20/14
20140341967
Bi-functional co-polymer use for ophthalmic and other topical and local applications
The invention contemplates a copolymer which is a graft or block copolymer useful to change wettability and surface characteristics of biological surfaces. Methods for use of these formulations and coatings to change wettability and sterically stabilize, and lubricate biological surfaces in a subject, for example, in the treatment of dry eye syndrome, and to prevent adherence of unwanted proteins, for example in the treatment of contact lens intolerance, are provided..
11/20/14
20140341961
Material for forming a multi-level antimicrobial surface coating and its preparation
The present invention provides a method for preparing a material in the form of liquid for forming an antimicrobial surface coating with multi-level antimicrobial properties, comprising: encapsulating one or more volatile or gaseous biocides in two or more amphiphilic block copolymers to obtain a w/o/w double emulsion, and mixing the w/o/w double emulsion with one or more nonvolatile biocides, each of which is selected from the group consisting of a metal containing biocide, triclosan, a carboxylic acid, a sugar acid and a combination thereof.. .
11/20/14
20140341803
Stable nanoemulsions useful in the treatment of cancer
Described herein are methods for treating a tumor or cancer in a subject. The methods involve administering to the subject a nanoemulsion comprising (1) at least one perfluoro crown ether and (2) a block copolymer comprising a hydrophilic block and hydrophobic block, wherein the hydrophobic block is poly(d,l)lactic acid, and wherein the nanoemulsion comprises a therapeutic agent encapsulated in the nanoemulsion.
11/13/14
20140336401
Manufacturing method for organopolysiloxane-polyoxyalkylene block copolymer
The present invention relates to a manufacturing method for an organopolysiloxane-polyoxyalkylene block copolymer obtained by condensation reaction of a polyoxyalkylene compound having a particular chemical structure and an organopolysiloxane having a particular chemical structure. The manufacturing method according to the present invention can enable an easy manufacturing of a high molecular weight organopolysiloxane-polyoxyalkylene block copolymer and provide an organopolysiloxane-polyoxyalkylene block copolymer where an amount of volatile cyclic polysiloxane produced as a by-product is small..
11/13/14
20140336285
Demulsifying and dehydrating formulations for heavy crude oils based on block copolymers bifunctionalized with amines
The present invention relates to demulsifying and dehydrating formulations of heavy crude oil based block copolymers amine bifunctionalized with low polydispersities. These formulations can contain solvents whose boiling point is in the range from 35 to 200° c., preferably: dichloromethane, chloroform, toluene, xylenes, turbosine, naphtha or mixtures thereof.
11/13/14
20140335455
Underlayer composition and method of imaging underlayer composition
A method of forming a pattern comprises diffusing an acid formed by irradiating a portion of a photosensitive layer, into an underlayer comprising an acid sensitive copolymer having acid decomposable groups and attachment groups covalently bonded to the surface of the substrate and/or forming an interpolymer crosslink. Diffusing comprises heating the underlayer and photosensitive layer.
11/13/14
20140335454
Underlayer composition and method of imaging underlayer
A method of forming a pattern comprises diffusing an acid, generated by irradiating a portion of a photosensitive layer, into an underlayer comprising an acid sensitive copolymer comprising an acid decomposable group and an attachment group, to form an interpolymer crosslink and/or covalently bonded to the surface of the substrate. Diffusing comprises heating the underlayer and photosensitive layer.
11/13/14
20140335440
Molded article of polymer electrolyte composition and solid polymer type fuel cell using same
To provide a formed article of polymer electrolyte composition which exhibits excellent proton conductivity even under low-humidification conditions and under low-temperature conditions, which is excellent in chemical stability, mechanical strength, fuel shutoff properties, and which can achieve high output, high energy density, and excellent long-term durability when used in a polymer electrolyte fuel cell; and also to provide a polymer electrolyte fuel cell using thereof. The formed article of polymer electrolyte composition includes: a block copolymer having one or more of each of a hydrophilic segment (a1) containing an ionic group and a hydrophobic segment (a2) not containing an ionic group; and an additive, wherein the formed article forms co-continuous or lamellar phase separation structure, and the additive is hydrophilic..
11/13/14
20140335324
Template for self assembly and method of making a self assembled pattern
Disclosed and claimed herein is a template for directing a pattern in a block copolymer film and the process of making the pattern.. .
11/13/14
20140335299
Olefinic block copolymer based pressure sensitive adhesives
Composition blends are prepared that are hot melt processable pressure sensitive adhesives. The composition blends include at least one olefinic block copolymer, at least one elastomeric polymer, and at least one tackifying resin.
11/13/14
20140335295
Foam molded product and method for producing same
A foam molded product includes a mixture resin including, as base resins, a polypropylene-based resin with a long-chain branching structure and a weight mixing ratio of 60 to 80%, a styrene-ethylene/butylene-styrene block copolymer with a styrene content of 15 to 40% and a weight mixing ratio of 15 to 35%, and a polyethylene-based resin with a long-chain branching structure, which has a density of not more than 0.930 g/cm3 and a weight mixing ratio of 5 to 25%.. .
11/13/14
20140335194
Polymeric nanoparticle solution composition and its manufacturing process
Disclosed are a polymeric drug carrier-containing pharmaceutical composition with enhanced stability in its solution state and a method for stabilizing the same. More particularly, disclosed are a pharmaceutical aqueous solution composition for storage under refrigeration containing a polymeric drug carrier comprising an amphiphilic block copolymer comprised of a hydrophilic block and a hydrophobic block, and a polylactic acid derivative fixed with a di- or tri-valent metal ion at its terminal carboxyl group and having preservation stability for at least 6 months, preferably at least 12 months when stored under refrigeration, and a method for stabilizing the same..
11/13/14
20140335160
Biodegradable nanoparticles as novel hemoglobin-based oxygen carriers and methods of using the same
Compositions of matter and methods for making, storing and administering artificial blood substitutes. Artificial blood substitutes may have oxygen carriers that encapsulate an oxygen-binding compound in a polymer vesicle.
11/13/14
20140335159
Biodegradable nanoparticles as novel hemoglobin-based oxygen carriers and methods of using the same
Compositions of matter and methods for making, storing and administering artificial blood substitutes. Artificial blood substitutes may have oxygen carriers that encapsulate an oxygen-binding compound in a polymer vesicle.
11/13/14
20140331519
Shoe assembly with non-linear viscous liquid
Shoes and shoe sole assemblies and associated methods of manufacture are disclosed herein. One aspect of the invention is directed toward a shoe and shoe sole assembly made of a non-linearly viscous, sebs block copolymer-based material that becomes more resilient as more energy is applied.
11/06/14
20140329179
Methods of forming semiconductor device structures, and related semiconductor device structures
A method of forming a semiconductor device structure comprises forming a template material over a substrate, the template material exhibiting preferential wetting to a polymer block of a block copolymer. A positive tone photoresist material is formed over the template material.
11/06/14
20140327172
Block copolymer film and method of producing the same
Provided is a block copolymer film in which a microphase separation structure formed by a block copolymer is arranged perpendicularly to the film surface, and all components forming the block copolymer are uncovered to the film surface, whereby the microphase separation structure penetrates the film surface. A method of producing the block copolymer film includes the steps of extruding a melt of the block copolymer in one direction by extrusion molding or injection molding, cooling the extruded block copolymer to a temperature equal to or lower than glass transition temperatures of polymer components in the block copolymer to provide a prismatic or cylindrical extrusion molded product, and cutting the prismatic or cylindrical extrusion molded product in the direction perpendicular to the extrusion direction..
10/30/14
20140324078
Device for repair surgery of cylindrical organs, particularly ruptured tendons
A device for repair surgery of cylindrical organs, particularly ruptured tendons, is configured as a tubular sheath (t) made of a biocompatible and biodegradable polymer. The tubular sheath comprises an elastic fiber mesh formed by electrospinning of said polymer and has an inner wall surface and an outer wall surface substantially parallel thereto.
10/30/14
20140324006
Wax-containing hot melt adhesives and disposable absorbent articles
1) wax-containing hot melt adhesive comprising 1 to 40% of a styrenic block copolymer (a), 3 to 15% of a modified thermoplastic elastomer (b) comprising —coo— groups, and 5 to 25% of a wax (c). 2) disposable absorbent article employing said hot melt adhesive.
10/30/14
20140323656
Functionalized block composite and crystalline block composite compositions
The invention provides functionalized block composites and crystalline block composites. In particular, the invention provides a functionalized olefin-based polymer formed from at least (a) and (b): (a) a crystalline block composite comprising: a block copolymer comprising a propylene-based crystalline block and crystalline ethylene-based block; a propylene-based crystalline polymer; and, a crystalline ethylene-based polymer; and (b) at least one functionalization agent or a functionalized olefin-based polymer formed from at least (a) and (b): (a) a crystalline block composite comprising: a block copolymer comprising a propylene-based crystalline block and crystalline ethylene-based block; a propylene-based crystalline polymer; and, a crystalline ethylene-based polymer; and (b) at least one functionalization agent..
10/30/14
20140323587
Solid formulations of liquid biologically active agents
The instant invention relates to a solid product comprising a liquid biologically active agent which is intimately associated to a stabilizing agent; particularly a solid product that can be reconstituted to a clear, stable, stabilized nanodispersion or loaded micelles comprising a polymer as a stabilizing agent and a liquid, preferably water immiscible, biologically active agent. The instant invention is further directed toward a process for the production of the above solid product; particularly to micelles or nanodispersions produced by hydration of a cake or powder of the solid product, produced via an effective treatment of a stabilized solution comprising for example a polymer as a stabilizing agent, such as an amphiphilic block copolymer or a small molecular weight surfactant, loaded with a liquid biologically active agent, such as propofol, an optional additive, and a suitable solvent..
10/30/14
20140323361
Treatment of subterranean formations using a composition including a linear triblock copolymer and inorganic particles
The present invention relates to treatment of subterranean formations using compositions that experience an increase in viscosity as a result of the application of heat or shear. In various embodiments, the present invention provides a method of treating a subterranean formation.
10/30/14
20140323243
Polyamide compositions containing plasticizers for use in making golf balls
Multi-layered golf balls having at least one layer made of a polyamide composition containing a polyamide polymer and plasticizer are provided. The plasticizers help reduce the glass transition temperature (tg) of the composition and various plasticizers may be used.
10/30/14
20140322628
Polymer electrolyte membrane, membrane electrode assembly using same and polymer electrolyte fuel cell
The polymer electrolyte membrane includes a block copolymer containing each one or more of: a segment (a1) containing anionic group; and a segment (a2) not containing an ionic group. The polymer electrolyte membrane forms a co-continuous (m1) or lamellar phase-separated (m2) structure, and gives a crystallization heat quantity of 0.1 j/g or larger determined by differential scanning calorimetry, or a degree of crystallinity of 0.5% or larger determined by wide-angle x-ray diffractometry..
10/30/14
20140322542
Tie-layer adhesives for styrenic multi-layer structures
A multilayer structure and a method for forming a multilayer structure, the multilayer structure includes: (a) a first polyolefin layer; (b) a styrene polymer layer; (c) a second polyolefin layer; and (d) at least one tie-layer comprising a tie-layer composition. The tie-layer composition includes: (1) 25 to 75 wt.
10/30/14
20140322157
Bi-functional co-polymer use for ophthalmic and other topical and local applications
The invention contemplates a copolymer which is a graft or block copolymer useful to change wettability and surface characteristics of biological surfaces. Methods for use of these formulations and coatings to change wettability and sterically stabilize, and lubricate biological surfaces in a subject, for example, in the treatment of dry eye syndrome, and to prevent adherence of unwanted proteins, for example in the treatment of contact lens intolerance, are provided..
10/23/14
20140316075
Linear silicone block copolymer and method of making the same
The present disclosure provides a composition comprising a linear silicone block copolymer of formula (iv) wherein r is a hydrogen or a c3-c8 alkyl group, a is a three carbon or four carbon oxylalkylene unit, “m” is an integer from 6 to 50, “n” is an integer from 0 to 30, and the average number for “q” is from 2 to 50, and method of making the same.. .
10/23/14
20140316026
Self-adaptive cements
A self-adaptive cement formulation includes cement, water, block copolymer and asphaltite-mineral particles. The set cement demonstrates self-healing properties when exposed to methane, and is particularly suited for well-cementing applications.
10/23/14
20140315010
Soft touch laminates constructed with improved fire retardant properties for transportation
Soft touch fire retardant laminates with pvc middle layers, foamed or unfoamed, and multiblock copolymer or polyurethane or silicone top layers which meet faa requirements are disclosed.. .
10/23/14
20140314994
Release materials
The present application is directed to an adhesive article comprising a pressure sensitive adhesive layer and a release layer in contact with the pressure sensitive adhesive layer. The release layer comprises a polyolefin block copolymer.
10/23/14
20140314381
Hybrid thermoplastic gels and their methods of making
Methods, compositions, and systems are provided for a hybrid thermoplastic gel or sealant. The methods comprise providing (a) a styrenic block copolymer, (b) a si-vinyl polymer, (c) heat, and optionally (d) an initiator, and reacting the styrenic block copolymer, si-vinyl polymer, and optional initiator in the presence of the heat to form the hybrid thermoplastic gel.
10/23/14
20140311644
Adhesive composition and pneumatic tire using same
Provided is an adhesive composition that provides excellent adhesion between a thermoplastic resin or a thermoplastic elastomer in which an elastomer component is dispersed in the thermoplastic resin and a tire by a combination of general-purpose materials, without using any special polymer. The adhesive composition comprises 100 parts by weight of a base polymer and 20 to 50 parts by weight of a resol-type phenolic resin-based resin crosslinking agent, wherein 100 parts by weight of the base polymer comprises 80 to 99 parts by weight of a thermoplastic elastomer and 1 to 20 parts by weight of a halogenated rubber.
10/16/14
20140309394
Crosslinked polyolefins for biomedical applications and method of making same
The invention relates to a polymer composition that includes a branched alkene which is cationically polymerizable as well as a glass-forming comonomer and/or a vinyl comonomer containing benzocyclobutene as the pendant group. The structure of the polymer composition can take various forms: linear random copolymer, linear block copolymer, star random copolymer, star block copolymer, and other hyperbranched polymers.
10/16/14
20140309337
Epoxy resin composition for fiber-reinforced composite materials, prepreg, and fiber-reinforced composite material
Provided are: a fiber-reinforced composite material which is suppressed in morphology variation due to the molding conditions, while having excellent mode i interlaminar fracture toughness and excellent wet heat resistance; an epoxy resin composition for obtaining the fiber-reinforced composite material; and a prepreg which is obtained using the epoxy resin composition. An epoxy resin composition for fiber-reinforced composite materials, which contains at least the following constituent elements [a]-[f], and which is characterized by containing 5-25 parts by mass of constituent element [c] and 2-15 parts by mass of constituent element [e] per 100 parts by mass of the total epoxy resin blended therein.
10/16/14
20140309320
Low density high impact resistant composition and method of forming
One or more fly ash materials or other optimized mineral fillers having a particle size distribution that may include cinders of selected sizes is mixed to form a filler. The filler is then mixed with an acid scavenger, an antioxidant, a compatibilizer and an impact modifier into a resin to form either a final composition or a masterbatch.
10/09/14
20140303314
Acrylic block copolymers
Acrylic block copolymers are described which are inherently tacky. Also described are compositions of the copolymers which exhibit properties enabling their use as pressure sensitive adhesives, without addition of tackifiers and/or subsequent processing..
10/09/14
20140303280
Poly((meth)acrylic acid-b-styrene-b-butadiene-b-styrene) block copolymer latex and method for preparing the same
The present invention discloses a poly((meth)acrylic acid-b-styrene-b-butadiene-b-styrene) block copolymer latex and a method for preparing the same. The poly((meth)acrylic acid-b-styrene-b-butadiene-b-styrene) block copolymer latex is directly and stably obtained by emulsion polymerization in the presence of an amphiphilic macromolecule reversible addition fragmentation chain transfer agent as both chain transfer agent and reactive emulsifier.
10/09/14
20140303225
Pharmaceutical composition for peroral administration of 3,3'-diindolylmethane
Block copolymer pharmaceutical compositions containing 3,3′-diindolylmethane (dim). The pharmaceutical composition for peroral administration comprises 3,3′-diindolylmethane as an active component and a target additive, the target additive being a block copolymer of oxyethylene and oxypropylene, in which the content of the hydrophobic oxypropylene block is less than 50 mass % and the molecular mass of the hydrophilic oxyethylene block is equal to 2,250 da or more, at a ratio of the active component to the selected block copolymer varying between 1:2 and 1:10.
10/09/14
20140302947
Compositions containing transparent polyamides for use in making golf balls
Multi-layered golf balls having at least one layer made of a polyamide composition containing a transparent polyamide polymer are provided. The transparent polyamide may be blended with other transparent or non-transparent polyamides.
10/09/14
20140301970
Vitamin functionalized gel-forming block copolymers for biomedical applications
Gel-forming block copolymers were prepared comprising i) a central hydrophilic block consisting essentially of a divalent poly(ethylene oxide) chain and ii) two peripheral monocarbonate or polycarbonate hydrophobic blocks. The hydrophobic blocks comprise one or more vitamin-bearing subunits.
10/09/14
20140301969
Metap-2 inhibitor polymersomes for therapeutic administration
The present invention provides methods to treating inflammation related disease and disorders such as an autoimmune disease and autoimmune related uveitis by administering compositions and formulations comprising metap-2 inhibitors as disclosed herein. The composition comprises a formulation of a fumagillol derivative that retains anti-inflammation activity and is associated with a block copolymer comprising a hydrophilic polymer moiety and a hydrophobic polymer moiety..


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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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