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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
11/13/14
20140336401
 Manufacturing method for organopolysiloxane-polyoxyalkylene block copolymer patent thumbnailManufacturing 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 patent thumbnailDemulsifying 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 patent thumbnailUnderlayer 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 patent thumbnailUnderlayer 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 patent thumbnailMolded 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 patent thumbnailTemplate 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 patent thumbnailOlefinic 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 patent thumbnailFoam 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 patent thumbnailPolymeric 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 patent thumbnailBiodegradable 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..
10/09/14
20140299969
Highly 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
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
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
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..


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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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