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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


Poly((meth)acrylic acid-b-styrene-b-butadiene-b-styrene) block copolymer latex and method for preparing the same

Poly((meth)acrylic acid-b-styrene-b-butadiene-b-styrene) block copolymer latex and method for preparing the same

Pharmaceutical composition for peroral administration of 3,3'-diindolylmethane

Compositions containing transparent polyamides for use in making golf balls

Date/App# patent app List of recent Block Copolymer-related patents
10/09/14
20140303314
 Acrylic block copolymers patent thumbnailAcrylic 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 patent thumbnailPoly((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 patent thumbnailPharmaceutical 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 patent thumbnailCompositions 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 patent thumbnailVitamin 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 patent thumbnailMetap-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..
10/09/14
20140299969
 Highly etch-resistant polymer block for use in block copolymers for directed self-assembly patent thumbnailHighly etch-resistant polymer block for use in block copolymers for directed self-assembly
Compositions for directed self-assembly (dsa) patterning techniques are provided. Methods for directed self-assembly are also provided in which a dsa composition comprising a block copolymer is applied to a substrate and then self-assembled to form the desired pattern.
10/09/14
20140298591
 Use of comb or block copolymers as soil antiredeposition agents and soil release agents in laundry processes patent thumbnailUse of comb or block copolymers as soil antiredeposition agents and soil release agents in laundry processes
The present invention relates to the use of comb or block copolymers which have been prepared by controlled free radical polymerization as soil antiredeposition agents and soil release agents in laundry processes. Further aspects of the invention are a method for preventing soil redeposition and for easier releasing soil from textiles in laundry processes and detergent formulations containing said comb or block copolymers..
10/02/14
20140296679
 Pacemaker lead and other medical implant devices patent thumbnailPacemaker lead and other medical implant devices
An implantable medical device for electrical stimulation or sensing includes a body supporting at least one flexible elongate conductor element. The body includes an insulating structure that protects the flexible conductor element(s).
10/02/14
20140296368
 Macroinitiator containing hydrophobic segment patent thumbnailMacroinitiator containing hydrophobic segment
The present invention relates to macroinitiators comprising at least one hydrophobic segments in a molecule, wherein a molecular weight of the hydrophobic segment is 300 to 1800. The present invention further relates to block copolymers, wetting agent and polymeric materials having the block copolymers of the present invention associated with, which is suitable for medical devices, particularly for ophthalmic devices, including contact lenses, ophthalmic lenses, punctal plugs and artificial corneas..
10/02/14
20140296126
Cationic micelles with anionic polymeric counterions compositions thereof
The invention relates to polymer-micelle complex. The polymer-micelle complexes include a positively charged micelle selected from the group consisting of a monomeric quaternary ammonium compound, a monomeric biguanide compound, and mixtures thereof.
10/02/14
20140294960
Implantable modular hydrogel for salivary gland restoration
Implantable modular hydrogels to aid in salivary gland restoration and associated methods are provided. In one embodiment, the present disclosure provides for a hydrogel network comprising: a hyaluronic acid macromer crosslinked with a multiblock copolymer..
10/02/14
20140291878
Methods for controlling across-wafer directed self-assembly
A method for treating a layered substrate including a layer of a block copolymer is provided. The method includes identifying a non-uniformity in the layer of the block copolymer; controlling a process variable correlated to the non-uniformity in the layer of the block copolymer; and annealing the layer of the block copolymer under a process condition affected by the process variable to compensate for at least a portion of the non-uniformity in the layer of the block copolymer to form a pattern comprising a plurality of domains having improved uniformity therein.
10/02/14
20140290285
Gel comprising a phase-change material, method of preparing the gel, thermal exchange implement comprising the gel, and method of preparing the thermal exchange implement
Gel including a phase-change material and a gelling agent. In one embodiment, the phase-change material may be n-tetradecane, n-hexadecane or mixtures thereof.
10/02/14
20140290204
Method of manufacturing a two-layer metal cord rubberized in situ using an unsaturated thermoplastic elastomer
A method of manufacturing a metal cord with two concentric layers of wires is provided. The cord includes an internal layer of m wires, m having a value from 1 to 4, and an external layer of n wires.
09/25/14
20140288244
Method for manufacturing block copolymer
A production method including obtaining a compound represented by formula (1) by allowing a compound represented by formula (2) to react with an aryl (c1-c8) alkyl alcohol which may have a substituent, and a carbodiimide-based compound in an amount of 2(x+y) equivalents or more relative to the amount of carboxyl groups in formula (2) (sum of x and y), in a solvent at 15° c. To 30° c.
09/25/14
20140287587
Method for forming fine patterns of semiconductor device using directed self-assembly process
Provided herein is a method for forming fine patterns of semiconductor devices capable of forming patterns with 20 nm-level line width without bulk-exposure and hardening of guide patterns. Method steps include (a) forming a photoresist layer over a wafer on which an organic anti-reflection coating layer is formed; (b) exposing and developing the photoresist layer to form guide patterns; (c) forming a neutral layer over the wafer; (d) developing the guide patterns to remove them and form neutral layer patterns having an opening part; (e) coating block copolymer of directed self assembly material on the substrate and heating the substrate over a glass transition temperature (tg) to form directed self-assembly patterns; and (f) selectively etching a part having relatively small etching resistivity (or high etching rate) among the directed self-assembly patterns by using o2 plasma to form fine patterns..
09/25/14
20140287266
Pattern forming method and manufacturing method of magnetic recording medium
According to exemplary embodiments, a pattern forming method includes: forming a diblock copolymer coating film by applying coating liquid containing a diblock copolymer including a chain of a first polymer and a chain of a second polymer which is not compatible with the first polymer, and a homopolymer having affinity with the first polymer, on a substrate, and drying the liquid; and performing phase separation of the first polymer and the second polymer by providing a coating film for solvent annealing using a solvent having compatibility with the second polymer.. .
09/25/14
20140287083
Imprint template with optically-detectable alignment marks and method for making using block copolymers
A method using directed self-assembly of block copolymers (bcps) for making an imprint template has the required patterns for both the features in the template's active area and the optically-detectable alignment marks in the template's non-active area. A chemical contrast pattern defined by a lithographic technique forms patterns of lines in both the active area and non-active area, as well as patterns of featureless gap regions in the non-active area.
09/25/14
20140284306
Method for manufacturing porous structure and method for forming pattern
A pattern forming material contains a block copolymer or graft copolymer and forms a structure having micro polymer phases, in which, with respect to at least two polymer chains among polymer chains constituting the block copolymer or graft copolymer, the ratio between n/(nc−no) values of monomer units constituting respective polymer chains is 1.4 or more, where n represents total number of atoms in the monomer unit, nc represents the number of carbon atoms in the monomer unit, no represents the number of oxygen atoms in the monomer unit.. .
09/18/14
20140276483
Transdermal methylphenidate compositions with acrylic block copolymers
Described herein are transdermal compositions comprising methylphenidate in a polymer matrix comprising a non-reactive random acrylic polymer and an acrylic block copolymer. Method of making such compositions, and therapeutic methods using them also are disclosed..
09/18/14
20140275392
Polyamide moulding compound and moulded articles produced herefrom
The invention relates to a polyamide moulding compound made of a polyamide (pa macm12) made of bis(3-methyl-4-aminocyclohexyl)methane (macm) and dodecanedioic acid, a polyamide (pa pacm12) made of bis(4-aminocyclohexyl)methane (pacm) and dodecanedioic acid, a polyamide (pa macm10) made of bis(3-methyl-4-aminocyclohexyl)methane and decanedioic acid, a polyamide (pa pacm10) made of bis(4-aminocyclohexyl)methane and decanedioic acid, a polyamide (pa macm14) made of bis(3-methyl-4-aminocyclohexyl)methane and tetradecanedioic acid, a polyamide (pa pacm14) made of (bis(4-aminocyclohexyl)methane and tetradecanedioic acid and also mixtures and copolyamides thereof. Furthermore, the moulding compound comprises as impact modifier a functionalised styrene-ethylene/butylene-styrene block copolymer and also possibly further additives.
09/18/14
20140275337
Continuous processing of asphalt formulations
The subject invention provides a method for producing essentially homogeneous asphalt compositions which are comprised of the asphalt, a block copolymer (such as a linear block copolymer or a radial block copolymer), and one or more additional desired additives. This method offers the advantage of being capable of attaining the essentially homogeneous asphalt composition in one pass procedure with a short residence time in the mixing equipment.
09/18/14
20140274850
Lubricating composition comprising poly (isobutylene) /poly (vinyl aromatic) block copolymer
The invention provides a lubricating composition containing an oil of lubricating viscosity and a block copolymer of a poly(olefin) block, such as poly(isobutylene) (pib) and a polyvinyl aromatic) block, such as poly(styrene), wherein the copolymer is optionally functionalized or grafted. The invention further provides a method of using the block copolymer to control deposits in a lubricating oil composition..
09/18/14
20140274837
Method for improving emulsion characteristics of engine oils
A method for improving the ability of an engine lubricating oil contaminated with water and fuel to emulsify water contamination by using as the engine lubricating oil a formulated oil including a lubricating oil base stock as a major component and a coupled block copolymer as a minor component. A method for improving thermo-oxidative stability and elastomer compatibility in an engine lubricated with a lubricating oil by using as the lubricating oil a formulated oil including a lubricating oil base stock as a major component and a coupled block copolymer as a minor component.
09/18/14
20140274468
Golf ball construction
The present invention discloses a multi piece golf ball having a core having a center, an outer cover layer; and one or more mantle layers, where the core includes a modifier which is either a block copolymer having a number average molecular weight of from about 30,000 to about 300,000 composed of at least two blocks including aromatic vinyl units each having a number average molecular weight of about 2,500 to about 40,000 and at least one block containing a vinyl bond content of not less than about 40%, and having a peak temperature of primary dispersion of tan δ of at least 0° c., and consisting of isoprene or isoprene-butadiene units; or from about 1 to about 50 parts by weight of a triallylcyanurate; or a combination of the block copolymer and the triallylcyanurate. Also at least one of the one or more mantle layers comprises a block copolymer having a number average molecular weight of from about 30,000 to about 300,000 composed of at least two blocks consisting of aromatic vinyl units each having a number average molecular weight of about 2,500 to about 40,000 and at least one block containing a vinyl bond content of not less than about 40%, and having a peak temperature of primary dispersion of tan δ of at least 0° c., and consisting of isoprene or isoprene-butadiene units..
09/18/14
20140273534
Integration of absorption based heating bake methods into a photolithography track system
A method of patterning a layered substrate is provided that includes forming a layer of a block copolymer on a substrate; and annealing the layer of the block copolymer to affect microphase segregation such that self-assembled domains are formed by application of an absorption based heating method. Exemplary absorption based heating methods include electromagnetic radiation sources such as broadband flash lamps, light emitting diodes, lasers, or duv flash lamps.
09/18/14
20140273523
Multi-step bake apparatus and method for directed self-assembly lithography control
A method of forming a patterned substrate includes casting a layer of a block copolymer having an intrinsic glass transition temperature tg, on a substrate to form a layered substrate. The method also includes heating the layered substrate at an annealing temperature, which is greater than about 50° c.
09/18/14
20140273522
Multi-step bake apparatus and method for directed self-assembly lithography control
A method of forming a patterned substrate includes casting a layer of a block copolymer having an intrinsic glass transition temperature tg, on a substrate to form a layered substrate. The method also includes heating the layered substrate at an annealing temperature, which is greater than about 50° c.
09/18/14
20140273511
Methods for fabricating integrated circuits including formation of chemical guide patterns for directed self-assembly lithography
Methods for creating chemical guide patterns by dsa lithography for fabricating an integrated circuit are provided. In one example, an integrated circuit includes forming a bifunctional brush layer of a polymeric material overlying an anti-reflective coating on a semiconductor substrate.
09/18/14
20140273361
Methods for the fabrication of graphene nanoribbon arrays using block copolymer lithography
Methods of fabricating patterned substrates, including patterned graphene substrates, using etch masks formed from self-assembled block copolymer films are provided. Some embodiments of the methods are based on block copolymer (bcp) lithography in combination with graphoepitaxy.
09/18/14
20140273290
Solvent anneal processing for directed-self assembly applications
A method and apparatus for solvent annealing a layered substrate including a layer of a block copolymer are provided. The method includes (a) introducing an annealing gas into a processing chamber; (b) maintaining the annealing gas in the processing chamber for a first time period; (c) removing the annealing gas from the processing chamber; and (d) repeating steps (a)-(c) a plurality of times in order induce the block copolymer to undergo cyclic self-assembly.
09/18/14
20140272723
Chemi-epitaxy in directed self-assembly applications using photo-decomposable agents
A method of forming a layered substrate comprising a self-assembled material is provided. The method includes forming a first layer of material on a substrate, forming a layer of a radiation sensitive material on the first layer of material, imaging the layer of the radiation sensitive material with patterned light, heating the layer of the radiation sensitive material to a temperature at or above the cross-linking reaction temperature, developing the imaged layer, and forming the block copolymer pattern.
09/18/14
20140272673
Block copolymer-based mask structures for the growth of nanopatterned polymer brushes
Block copolymer-based mask structures for the growth of patterned polymer brushes via surface-initiated atom transfer radical polymerization (si-atrp) are provided. Also provided are methods of making the mask structures and methods of using the mask structures to grow patterned polymer brushes.
09/18/14
20140272600
Block copolymer including a polyanion based on a tfsili anion monomer as a battery electrolyte
The invention relates to a ba diblock or bab triblock copolymer, in which the a block is a non-substituted poly-oxyethylene chain having a mean molecular weight that is higher than 100 kda and the b block is an anionic polymer which can be prepared using one or more monomers selected from among the vinyl monomers and derivatives thereof, said monomers being substituted with a (trifluoromethylsulfonyl)imide (tfsi) anion. The invention also relates to the uses of such a copolymer, in particular for preparing an electrolyte composition for lithium metal polymer (lmp) batteries..
09/18/14
20140272214
Adhesive compostions with wide service temperature window and use thereof
The invention provides hot melt adhesives comprising (a) a mixture of polymers consisting of (1) an amorphous alpha olefin, (2) an ethylene copolymer that has a tg value equal to or less than −35° c.; and (3) a styrene block copolymer; and (b) a polyethylene wax grafted with a functional group. These hot melt adhesives have high heat resistance and good low temperature performance, making them particularly well suited for end-of-line packaging application..
09/18/14
20140271885
Copolymers for stable micelle formulations
The present invention relates to the field of polymer chemistry and more particularly to multiblock copolymers and micelles comprising the same. Compositions herein are useful for drug-delivery applications..
09/18/14
20140271865
Amphetamine transdermal compositions with acrylic block copolymer
Described are transdermal drug delivery compositions comprising amphetamine, methods of making them and therapeutic methods using them. The compositions are provided in a flexible, finite form (e.g.
09/18/14
20140264188
Paste composition for printing and touch panel
Disclosed is a paste composition for printing including conductive powders, a binder, a dispersing agent, and a solvent. The dispersing agent includes a block copolymer of polyethylene oxide (peo)-polypropylene oxide (ppo)-polyethylene oxide (peo), or a block copolymer of polypropylene oxide (ppo)-polyethylene oxide (peo)-polypropylene oxide (ppo)..
09/18/14
20140263175
Crosslinked random copolymer films for block copolymer domain orientation
Surface-modifying layers, including neutral layers for vertical domain-forming block copolymers of styrene and methyl methacrylate are provided. Also provided are self-assembled block copolymer structures incorporating the surface modifying layers, methods of fabricating such structures and methods of using the structures in bcp lithography applications.
09/18/14
20140263164
Degradable neutral layers for block copolymer lithography applications
Polymer films comprising crosslinked random copolymers and methods for making the films are provided. Also provided are polymer films comprising random copolymers that are covalently linked to an underlying substrate.
09/11/14
20140256893
Reversible chain-transfer in polyolefin polymerization with pyridyldiamide catalysts
A process of producing ethylene a-olefin copolymers, especially ethylene block copolymers, comprising contacting ethylene and a c3 to c10 α-olefin with a transition metal pyridyldiamide (mpn3) catalyst component and an activator, as well as from 10 equivalents to 1000 equivalents relative to the catalyst component of chain transfer agent; isolating an ethylene-α-olefin copolymer having a tm of less than 140° c., a mwd of less than 2.5, and a weight average molecular weight (mw) within the range of from 5 kda to 500 kda. The chain transfer agent can be selected from group 2, 12 or group 13 alkyl or aryl compounds..
09/11/14
20140256867
Psa containing olefin block copolymers and styrene block copolymers
13. .
09/04/14
20140249286
Catalyst composition comprising shuttling agent for ethylene multi-block copolymer formation
(c) a chain shuttling agent.. .
09/04/14
20140249279
Method of synthesising polycarbonates in the presence of a bimetallic catalyst and a chain transfer agent
The invention provides a process for the synthesis of a polycarbonate, the process comprising the step of reacting carbon dioxide with at least one epoxide in the presence of a catalyst of formula (i) and a chain transfer agent. The invention also provides a polymerisation system for the copolymerisation of carbon dioxide and at least one epoxide comprising a catalyst of formula (i) and a chain transfer agent, polycarbonates produced by the inventive process, a block copolymer comprising a polycarbonate produced by the inventive process and a method of producing the same.
09/04/14
20140249242
Grafting or crosslinking of unsaturated polyolefins by base/isocyanate initiation
Furthermore, these unsaturated polymers may be used, following reaction with (poly)isocyanates, to prepare graft or block copolymers or also for the bonding of the modified unsaturated polyolefins to polyamides, polyesters, polycarbonates, polyimines or polyurethanes.. .
09/04/14
20140248214
High-concentration aqueous dispersions of graphene using nonionic, biocompatible copolymers
Methods of using a surface active block copolymer to disperse graphene in an aqueous medium, such dispersions which can be subsequently separated and processed for a range of end-use applications, including biomedical applications.. .
09/04/14
20140246136
Pneumatic tire
The present invention is a pneumatic tire comprising an inner liner disposed on the inner side of the tire. The inner liner is composed of a sheet made of an elastomer composition containing a styrene-isobutylene-styrene triblock copolymer by more than or equal to 7 percent by mass and less than or equal to 93 percent by mass and an isobutylene-based modified copolymer containing a β-pinene component by more than or equal to 7 percent by mass and less than or equal to 93 percent by mass.
09/04/14
20140245948
Method to provide a patterned orientation template for a self-assemblable polymer
A graphoepitaxy template to align a self-assembled block polymer adapted to self-assemble into a 2-d array having parallel rows of discontinuous first domains extending parallel to a first axis, mutually spaced along an orthogonal second axis, and separated by a continuous second domain. The graphoepitaxy template has first and second substantially parallel side walls extending parallel to and defining the first axis and mutually spaced along the second axis to provide a compartment to hold at least one row of discontinuous first domains of the self-assembled block copolymer on the substrate between and parallel to the side walls, and separated therefrom by a continuous second domain.
08/28/14
20140243664
Polymeric nanoparticles for ultrasound imaging and therapy
Provided herein are nanobubbles designed for use in ultrasound-mediated ablation of cancer cells. The nanobubbles undergo ultrasound-mediated cavitation at an ablation threshold which is significantly decreased, relative to standard ultrasound-mediated treatment of cancer cells.
08/28/14
20140243461
Reinforced poly(phenylene ether)-polysiloxane block copolymer composition, and article comprising same
A reinforced poly(phenylene ether)-polysiloxane block copolymer composition includes specific amounts of a poly(phenylene ether)-polysiloxane block copolymer reaction product, a flame retardant, and a reinforcing filler. The composition exhibits a desirable balance of flame retardancy, heat resistance, and stiffness relative to a corresponding poly(phenylene ether) composition, and it is useful to fabricate articles including fuser holders for electrophotographic copiers..
08/28/14
20140243460
Reinforced poly(phenylene ether)-polysiloxane block copolymer composition, and article comprising same
A reinforced poly(phenylene ether)-polysiloxane block copolymer composition includes specific amounts of a poly(phenylene ether)-polysiloxane block copolymer reaction product, a flame retardant, and a reinforcing filler. The composition exhibits a desirable balance of flame retardancy, heat resistance, and stiffness relative to a corresponding poly(phenylene ether) composition, and it is useful to fabricate articles including fuser holders for electrophotographic copiers..
08/28/14
20140242335
Fiber-reinforced polypropylene resin composition and molded article thereof
The present invention is to provide a fiber reinforced polypropylene resin composition which has low shrinkage, excellent grain transferability, flaw resistance and moulded appearance, can provide a moulded article having a smooth and soft tactile sensation on the surface thereof without foaming and has high rigidity, high impact strength and high heat resistance, as well as a method for producing the same and a moulded article thereof. These are implemented by a fiber reinforced polypropylene resin composition containing a propylene-ethylene block copolymer which satisfies four requirements such as sequential polymerization with a metallocene catalyst, a specific fiber and optionally a specific modified polyolefin, a thermoplastic elastomer which satisfies two requirements such as mfr, a specific propylene polymer resin and a specific fatty acid amide..
08/28/14
20140242004
Oral care compositions
The present invention relates to oral compositions, comprising select polyethylene oxide-polypropylene oxide block copolymer surfactants. Methods for using the compositions are also disclosed..
08/28/14
20140242003
Oral care compositions
The present invention relates to oral compositions, comprising select polyethylene oxide-polypropylene oxide block copolymer surfactants. Methods for using the compositions are also disclosed..
08/28/14
20140238956
Directed self-assembling composition for pattern formation, and pattern-forming method
A directed self-assembling composition for pattern formation includes a block copolymer. The block copolymer includes a polystyrene block having a styrene unit, and a polyalkyl (meth)acrylate block having an alkyl (meth)acrylate unit.
08/28/14
20140238954
Method of producing structure containing phase-separated structure, method of forming pattern, and top coat material
A method of producing a structure containing a phase-separated structure, including forming, on a substrate, a layer containing a block copolymer having a block of a polyhedral oligomeric silsesquioxane structure-containing structural unit; forming a top coat film by applying, to the layer containing the block copolymer, a top coat material which undergoes a change in polarity upon heating, and controls a surface energy of the layer containing the block copolymer; and subjecting the layer containing the block copolymer on which the top coat film is formed to phase separation by thermal annealing.. .
08/28/14
20140238901
Dehydrating and desalting compositions of crude oils, using triblock copolymers alpha,omega-bifunctionalized with amines
Compositions consisting of block copolymers α,ω-di-aryl or alkyl sulfonates of poly(ethylene oxide)w-poly(propylene oxide)-poly(ethylene oxide)w of bis-ammonium and block copolymers α,ω-di-amine of poly(ethylene oxide)w-poly(propylene oxide)-poly(ethylene oxide)w, are provided that are effective in the dewatering and desalting crude oils whose specific gravities are within the range of 14 to 20° api. A method of dewatering and desalting heavy crude oil adds a mixture of the copolymer bifunctionalized with an aliphatic or aromatic secondary amine and a copolymer bifunctionalized with an aliphatic or aromatic tertiary amine..
08/28/14
20140238900
Block copolymers, synthesis and application as dehydrating and desalting of heavy crudes
The present invention is related to formulations consisting by block copolymers α,ω-di-aryl or alkyl sulfonates of poly(ethylene oxide)w-poly(propylene oxide)-poly(ethylene oxide)w of bis-ammonium and block copolymers α,ω-di-amine of poly(ethylene oxide)w-poly(propylene oxide)-poly(ethylene oxide)w, that are effective in the dewatering and desalting crude whose specific gravities are within the range of 14 to 23° api.. .
08/28/14
20140238570
Air permeation resistant film and pneumatic tire
Provided is an air permeation resistant film in which flexibility can be imparted to the film without remarkably increasing the proportion of a rubber constituting a dispersed phase. An air permeation resistant film comprising (a) a thermoplastic polyester elastomer which comprises a block copolymer containing a polyester as a hard segment and has a melting point of from 180 to 230° c., and (b) a rubber, in a mass ratio (a)/(b) of from 90/10 to 40/60, wherein the component (a) and the component (b) are melt-kneaded to perform dynamic crosslink, thereby forming a continuous phase composed of the component (a) and a dispersed phase composed of the component (b), and the film has an air permeation coefficient at 80° c.
08/21/14
20140235762
Water-dispersible halogen-capping polyalkylacrylate, vinyl chloride-based block copolymer and method for preparing the same (as amended)
Disclosed are a water-dispersible halogen-capping polyalkylacrylate, a vinyl chloride-based block copolymer and a method for preparing the same. By using the water-dispersible halogen-capping polyalkylacrylate derivative as a chain transfer agent for polymerization of a vinyl chloride-based monomer, it is possible to obtain effects such as reduction of coagulation of particles and adhesion of particles to a reactor wall, improvement in reaction efficiency and polydispersity index, and prevention of yellowing..
08/21/14
20140235748
Block copolymer and antithrombotic coating agent
The object of the present invention is achieved by providing a copolymer, in particular, a block copolymer which has excellent coating formation ability, adhesive properties to a substrate, and does not adsorb protein; an antithrombotic coating agent which has superior antithrombotic properties and adhesive properties to a substrate to those of the conventional antithrombotic coating agent; and a medical instrument which is obtained by coating the antithrombotic coating agent, and the block copolymer includes a polymer (a) containing a (meth)acrylic ester monomer and a polymer (b) containing a (meth)acrylamide monomer and has excellent coating formation ability and high adhesive properties to a substrate.. .
08/21/14
20140235708
Pharmaceutical composition on the basis of nanomicelles containing epigallocatechin gallate and a method of administration thereof to treat atopic dermatitis, crohn's disease, adenomyosis, and hyperplastic diseases of the prostate gland
The invention relates to pharmacy. It is an object of the present invention to produce nanomicellar structures containing egcg and achieving a positive result consisting in increasing bioavailability in peroral administration.
08/21/14
20140234619
Poly(arylene ether) composition and articles derived therefrom
A composition useful for forming wire and cable insulation includes particular amounts of a poly(arylene ether), a hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene, a polyolefin, and a flame retardant. The flame retardant includes specific amounts of zinc borate, melamine cyanurate, and an organophosphate ester.
08/21/14
20140234612
Adhesive tape for car
The present invention provides a pressure sensitive adhesive tape comprising: an acrylic foam layer; and rubber-based adhesive layers which are formed on both sides of said acrylic foam layer, wherein the content of gel in said rubber-based adhesive layers is 40% or more. Furthermore, in order to accomplish the object of the present invention, a method for manufacturing a pressure sensitive adhesive layer is provided, and the method comprises the steps of: manufacturing an acrylic foam layer; and forming rubber-based adhesive layers on one side or both sides of said acrylic foam layer, wherein said step of forming the rubber-based adhesive layers comprises the steps of: manufacturing a styrene block copolymer; forming rubber-based adhesive layers by adding an adhesive additive and a plasticizer to said styrene block copolymer; and setting the content of gel in said rubber-based adhesive layers to 40% or more..
08/21/14
20140234589
Methods of patterning block copolymer layers and patterned structures
Heat-treating the block copolymer layer to form a self-assembled structure of the block copolymer directed by the topographic pattern.. .
08/21/14
20140234561
Multilayer flexible tubing
A flexible tube includes a first layer comprising a polyolefin material having a flexural modulus of not greater than 150 mpa and includes a second layer directly bonded to and in direct contact with the first layer. The second layer comprising a blend of propylenic polymer and styrenic block copolymer..
08/21/14
20140234477
Photodegradable gum base, a chewing gum comprising the photodegradable gum base and methods of making the same
Wherein m and p are integers in the range of 1 to 500, and n is an integer in the range of 2 to 100, is disclosed. The block copolymer facilitates environmental degradation of improperly disposed chewing gum cuds.


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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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