Abstract: Methods of directed self-assembly of multi-block (i.e., triblock and higher-order) copolymers on patterned substrates and related compositions are provided. According to various embodiments, the methods involve depositing copolymer materials on substrates configured to drive the assembly of micro-phase separated films that exhibit the same morphology as that copolymer materials in the bulk. In certain embodiments, binary patterns are used to drive the triblock copolymer films. The binary two-dimensional surface patterns are transformed into three-component and three-dimensional structures throughout the thickness of the overlying copolymer films.

Abstract: A sheet material that includes an elastic component or material (e.g., film, nonwoven web laminated to the elastic component, etc.) is provided. The elastic component is formed from a styrenic block copolymer composition containing from about 10 wt. % to about 90 wt. % of styrene-butadiene-styrene block copolymer; and from about 10 wt % to about 90 wt. % of styrene-isoprene/butadiene-styrene block copolymer. The styrenic block copolymer composition has good viscosity stability during extrusion and thus may be readily formed into an elastic sheet material. The elastic sheet material may be subsequently crosslinked to achieve the desired elastic and mechanical properties.

Abstract: The present technology relates to compositions comprising a copolymer comprising a poly(C2-4 alkylene oxide) and a cationic polyacrylamide, and a plurality of nanoparticles of titanium dioxide, zinc oxide or a mixture thereof. The compositions may serve as flocculating agents to remove neutral and negatively charged nanoparticle pollutants from gasses, including air, and liquids such as water.

Abstract: The present invention relates to polymer compositions with improved scratch resistance and no or low gloss change of the finished product during heat ageing, methods for making the compositions and useful articles made thereof.

Abstract: A novel block copolymer composition including a hydrogenated block copolymer that has at least one block A and at least one block B, and wherein (a) prior to hydrogenation each A block is a mono alkenyl arene homopolymer block and each B block is a controlled distribution copolymer block of at least one conjugated diene and at least one mono alkenyl arene, (b) subsequent to hydrogenation about 0-10% of the arene double bonds have been reduced, and at least about 90% of the conjugated diene double bonds have been reduced, (c) each A block having a number average molecular weight between about 3,000 and about 60,000 and each B block having a number average molecular weight between about 30,000 and about 300,000, (d) each B block comprises terminal regions adjacent to the A blocks that are rich in conjugated diene units and one or more regions not adjacent to the A blocks that are rich in mono alkenyl arene units, (e) the total amount of mono alkenyl arene in the hydrogenated block copolymer is about 5 percent w

Abstract: A hydrous gel substantially comprising at least two polymers selected from the group consisting of polyacrylic acid, sodium polyacrylate and partially neutralized polyacrylate, and water, the polymers being crosslinked by containing an aluminum compound, wherein the pH when the hydrous gel is 100-fold diluted with purified water is from 6.5 to 8.5. A hydrous gel which can stably hold an ascorbic acid or a derivative thereof, has high gel strength, exhibits good adhesion to an adherend and causes no liquid syneresis can be provided.

Abstract: A modified-asphalt composition prepared by introducing a diene end-capped block copolymer with a molten asphalt composition.

Abstract: The present invention concerns a heterophasic propylene copolymer of high melt flow for injection molding, which comprise a propylene polymer matrix and a rubber. The heterophasic propylene copolymers of the present invention are characterized by a high viscosity of the rubber phase and a well-defined ratio of the intrinsic viscosities of the rubber phase and the propylene polymer matrix, thus resulting in improved mechanical properties. The present invention further relates to a process for the production of such heterophasic propylene copolymers, their use and articles produced with them.

Abstract: A polymer that combines high ionic conductivity with the structural properties required for Li electrode stability is useful as a solid phase electrolyte for high energy density, high cycle life batteries that do not suffer from failures due to side reactions and dendrite growth on the Li electrodes, and other potential applications. The polymer electrolyte includes a linear block copolymer having a conductive linear polymer block with a molecular weight of at least 5000 Daltons, a structural linear polymer block with an elastic modulus in excess of 1×107 Pa and an ionic conductivity of at least 1×10?5 Scm?1. The electrolyte is made under dry conditions to achieve the noted characteristics.

Abstract: A multi-component article comprising a first component comprising a biodegradable polymer, and a second component comprising a polyolefin and a reactive modifier. A method of preparing a multi-layer film comprising coextruding first and second film layers, wherein the first layer comprises a polylactic acid and the second layer comprises a polyolefin and an epoxy-functionalized polyolefin. A method of preparing a multi-component fiber comprising coextruding a core component and a sheath component, wherein the core component comprises a polyolefin and an epoxy-functionalized polyolefin and the sheath component comprises a polylactic acid.

Abstract: Cleavable, disulfide-coupled block copolymers as can be used in the preparation of nanoporous thin films, micellar configurations and related structures.

Abstract: A block copolymer or graft copolymer with weight-average molar mass Mw of at least 100 000 g/mol, comprising a) at least one block S composed of from 95 to 100% by weight of vinylaromatic monomers and from 0 to 5% by weight of dienes, and b) at least one copolymer block (S/B)A composed of from 63 to 80% by weight of vinylaromatic monomers and from 20 to 37% by weight of dienes, with glass transition temperature TgA in the range from 5 to 30° C., where the proportion by weight of the entirety of all of the blocks S is in the range from 50 to 70% by weight, based on the block copolymer or graft copolymer, and also mixtures thereof, and their use.

Abstract: Compositions comprising (A) propylene-alpha-olefin copolymer, (B) olefin block copolymer, and (C) DPO-BSA molecular melt (MM) are useful in the preparation of the top skin layer of artificial leather multi-layer structures.

Abstract: Articles having a Shore A hardness of 50 to 95 and made from polyolefin compositions comprising an ethylene-alpha-olefin interpolymer (random or block or a mixture of the two) are paintable without the need for a primer or other surface treatment with paints free of phthalate-based plasticizer and designed to paint SBS- or SEBS-type rubber based compositions. These polyolefin compositions are free of (1) phthalate-based plasticizer, (2) halogen-containing polymer, and (3) leachable, small polymeric units derived from styrene monomer. In addition, the content of the alpha-olefin in the polyolefin composition is at least 9.7 mole percent.

Abstract: A diblock copolymer blend containing a unique combination of an ordered poly(styrene)-b-poly(methyl methacrylate) diblock copolymer and a disordered poly(styrene)-b-poly(methyl methacrylate) diblock copolymer is provided. Also provided are substrates treated with the diblock copolymer blend.

Abstract: A homogenous blend comprising from 10% to 90% by weight of a metallocene catalyzed polyethylene (mPE) and from 90% to 10% by weight of styrene-butadiene block copolymers comprising from 5% to 40% by weight of 1,3 butadiene monomer units and from 60% to 95% by weight of styrene monomer unites. The blend of the invention is used to make peelable films for food packaging applications.

Abstract: The invention relates to a liquid rubber acrylic block copolymer, and its use in modifying a thermoset composition. The liquid rubber acrylic block copolymer adds toughness and flexibility to a thermoset composition. The acrylic block copolymers are especially useful for modifying epoxy compositions.

Abstract: A method of orienting microphase-separated domains is disclosed, comprising applying a composition comprising an orientation control component, and a block copolymer assembly component comprising a block copolymer having at least two microphase-separated domains in which the orientation control component is substantially immiscible with the block copolymer assembly component upon forming a film; and forming a compositionally vertically segregated film on the surface of the substrate from the composition. The orientation control component and block copolymer segregate during film forming to form the compositionally vertically-segregated film on the surface of a substrate, where the orientation control component is enriched adjacent to the surface of the compositionally segregated film adjacent to the surface of the substrate, and the block copolymer assembly is enriched at an air-surface interface.

Abstract: Disclosed herein is a polymeric composition. The polymeric composition includes: (A) a propylene-based polymer; (B) an ethylene/a-olefin polymer; (C) a block composite comprising: i) a propylene-based crystalline polymer; ii) an ethylene/a-olefin polymer; and iii) a block copolymer comprising a propylene-based crystalline block and an ethylene/a-olefin block. The polymeric composition provides improved heat seals when formed into film, film layer, or flexible containers such as retort pouch.

Abstract: A material and an associated method of formation. A self-assembling block copolymer that includes a first block species and a second block species respectively characterized by a volume fraction of F1 and F2 with respect to the self-assembling block copolymer is provided. At least one crosslinkable polymer that is miscible with the second block species is provided. The self-assembling block copolymer and the at least one crosslinkable polymer are combined to form a mixture. The mixture having a volume fraction, F3, of the crosslinkable polymer, a volume fraction, F1A, of the first block species, and a volume fraction, F2A, of the second block species is formed. A material having a predefined morphology where the sum of F2A and F3 were preselected is formed.

Abstract: A one- or two-component adhesive containing: a) a binding agent having reactive isocyanate groups or silane groups, and b) a nonreactive polymer having a glass transition temperature, measured by means of DSC, in the range from ?40° C. to +60° C. This preferably has, in a cured state, at a temperature at least in the range from ?10 to +50° C., a dynamic mechanical loss factor tan ? of at least 0.4 at a frequency in the range from 10 to 400 Hz. Use of an adhesive of this kind for the adhesive bonding of components in the manufacture or repair of vehicles, in particular for bonding windows into place in the context of direct glass bonding.

Abstract: The present invention is directed to a first polypropylene composition comprising a propylene copolymer as matrix phase (A) comprising a homo/random/block copolymer consisting of a) a propylene homopolymer (A1); b) a propylene random copolymer (A2); and c) an ethylene-propylene rubber (EPR) (A3) and a polyolefin (B) dispersed in the matrix phase (A), which comprises hydrolysable silicon-containing groups. The present invention is furthermore directed to a second polypropylene composition comprising a matrix phase (A) comprising a propylene homo- or copolymer with an impact strength at +23° C. of at least 40.0 kJ/m2 in a Charpy notched test according to ISO 179-1eA:2000 and a polyolefin (B) dispersed in the matrix phase (A), which comprises hydrolysable silicon-containing groups. The invention is furthermore directed to a production process for the polypropylene compositions and an article made thereof.

Abstract: A composition is prepared by melt blending specific amounts of a polyamide, a flame retardant that includes brominated polystyrene, a polymeric flame retardant synergist, and a compatibilizing agent. The polymeric flame retardant synergist can be a poly(arylene ether), a poly(arylene ether)-polysiloxane block copolymer, or a mixture thereof. The composition is useful for molding automotive and electrical parts.

Abstract: We disclose a monovinylarene-conjugated diene block copolymer containing a plurality of monovinylarene-conjugated diene mixed blocks, wherein each mixed block contains conjugated diene units and monovinylarene units in a weight ratio of about 0.05 to about 0.33. We also disclose a composition containing (a) from about 50 parts by weight to about 95 parts by weight of the monovinylarene-conjugated diene block copolymer and (b) from about 5 parts by weight to about 50 parts by weight of polystyrene; wherein the monovinylarene-conjugated diene block copolymer and the polystyrene total 100 parts by weight.

Abstract: Thermoplastic elastomer, which comprises a fumed, hydrophilic or hydrophobic silica, which has been structurally modified and also a process for the improvement of the mechanical properties of thermoplastic elastomers. The thermoplastic elastomers are produced by preparing a masterbatch from the components (e.g. thermoplastic resin component and fumed silica) and compounding this with further thermoplastic elastomers.

Abstract: Disclosed is a new method and compositions from the method consisting of block copolycarbonate/phosphonates that exhibit an excellent combination of flame resistance, hydrolytic stability, high Tg, low melt viscosity, low color and high toughness. Also disclosed are polymer mixtures or blends comprised of these block copolycarbonate/phosphonate compositions and commodity and engineering plastics and articles produced therefrom. Further disclosed are articles of manufacture produced from these materials, such as fibers, films, coated substrates, moldings, foams, adhesives and fiber-reinforced articles, or any combination thereof.

Abstract: The present invention describes the use of copolymers with a composition gradient as sole stabilizer in emulsion free-radical polymerization. The copolymers of the invention are prepared via controlled free-radical polymerization and comprise at least one hydrophilic monomer such as acrylic acid and at least one hydrophobic monomer such as styrene.

Abstract: Provided are elastic propylene-alpha olefin blocky copolymers. In one form, the elastic propylene-alpha olefin blocky copolymer includes an ?-olefin content from 12 to 25 wt % and having a propylene crystallinity less than 30 J/g, a Tm <100° C. and a Tg >?45° C., wherein said copolymer has blocky propylene segments with r1r2 greater than 1.5, and a process for producing such copolymer.

Abstract: The present invention provides a polyamide-polyphenylene ether resin composition comprising a polyamide having an alicyclic structure and composed of dicarboxylic acid units comprising from 20 to 100 mol % of cyclohexanedicarboxylic acid units and diamine units comprising aliphatic diamine units with from 6 to 12 carbon atoms, a polyphenylene ether, and a compatibilizer for a polyamide and a polyphenylene ether.

Abstract: A process for producing a microporous polymeric object to improve the degree of freedom for its various properties, compared to conventional processes, includes: mixing a block copolymer made of three or more kinds of segments with a polymer, wherein one or more of the segments are made of monomer units having a first functional group forming ionic and/or hydrogen bond, the segments constitute a co-continuous structure having mutually-independent and continuous regions due to a phase separation based on incompatibility between the segments, and the polymer has, at other than polymer chain terminals, a second functional group forming such bond with the first functional group, thereby allowing the segments to associate with the polymer at many points; forming a co-continuous structure including a region composed of the polymer and the segments due to the phase separation; and removing the polymer from the region by weakening the bond between the functional groups.

Abstract: Methods of modifying block copolymers to enhance thermodynamic properties thereof without sacrificing material properties and methods of forming modified block copolymers having desired properties are disclosed. The modified block copolymers may be used, for example, as a mask for sublithographic patterning during various stages of semiconductor device fabrication. For example, block copolymers having desirable material properties, such as etch selectively, may be chemically modified to tailor a ? value thereof to optimize the process conditions for achieving a self-assembled state and to reduce a defectivity of the self-assembled block copolymer pattern.

Abstract: The present application is directed to biodegradable polymers, compositions, including microspheres and nanospheres, formed of such polymers, and methods of using such polymers and compositions. In certain embodiments, the subject polymer compositions include therapeutic agents, optionally providing sustained release of the encapsulated agent after administration to a patient.

Abstract: Means for Solving the Problems The thermoplastic resin composition (X1) of the present invention comprises (A1), (B1), (C1), and optionally (D1) below: 1 to 90 wt % of an isotactic polypropylene (A1); 9 to 98 wt % of a propylene/ethylene/?-olefin copolymer (B1) containing 45 to 89 mol % of propylene-derived structural units, 10 to 25 mol % of ethylene-derived structural units, and optionally, 0 to 30 mol % of C4-C20 ?-olefin-derived structural units (a1); 1 to 80 wt % of a styrene-based elastomer (C1); and 0 to 70 wt % of an ethylene/?-olefin copolymer (D1) whose density is in the range of 0.850 to 0.910 g/cm3, wherein (A1)+(B1)+(C1)+(D1)=100 wt %.

Abstract: The present invention provides a block copolymer composition and method of making the same having the structures (A2-B)n—X-(A1) or (A2-B2)n—X—(B1A1), where A1 and A2 are each a polymer block of a monoalkenyl arene and B, B1, and B2 are each a polymer block of one or more conjugated dienes or a hydrogenated diene polymer, n is an integer from 2 to 30 and X is the residue of a coupling agent.

Abstract: A process for producing a microporous polymeric object to improve the degree of freedom for its various properties, compared to conventional processes, includes: mixing a block copolymer made of three or more kinds of segments with a polymer, wherein one or more of the segments are made of monomer units having a first functional group forming ionic and/or hydrogen bond, the segments constitute a co-continuous structure having mutually-independent and continuous regions due to a phase separation based on incompatibility between the segments, and the polymer has, at other than polymer chain terminals, a second functional group forming such bond with the first functional group, thereby allowing the segments to associate with the polymer at many points; forming a co-continuous structure including a region composed of the polymer and the segments due to the phase separation; and removing the polymer from the region by weakening the bond between the functional groups.

Abstract: A liquid crystal block copolymer comprising at least one liquid crystal polymer block comprising a polymer of diethylene glycol bis(4-hydroxybenzoate) and diphenyl 2,6-naphthalene dicarboxylate and at least one non-liquid crystal polymer block.

Abstract: The present invention provides a low viscosity block copolymer for non-wovens construction adhesives of the formula [A?(A/B)]nX, wherein A represents an aromatic vinyl compound and (A/B) represents a polymer block obtained by random copolymerization of a mixture of a aromatic vinyl compound and butadiene in a weight ratio in the range of from 2:98 to 30:70, wherein n is an integer in the range of from 1 to 5, and wherein X is the remainder of the coupling agent.

Abstract: The invention relates to functionalized interpolymers derived from base olefin interpolymers, which are prepared by polymerizing one or more monomers or mixtures of monomers, such as ethylene and one or more comonomers, to form an interpolymer products having unique physical properties. The functionalized olefin interpolymers contain two or more differing regions or segments (blocks), resulting in unique processing and physical properties.

Abstract: A poly(arylene ether)-polysiloxane multiblock copolymer is prepared by the reaction of a hydroxy-diterminated poly(arylene ether), a hydroxyaryl-diterminated polysiloxane, and an aromatic diacid chloride. This synthesis overcomes disadvantages of known syntheses of poly(arylene ether)-polysiloxane block copolymers. The poly(arylene ether)-polysiloxane multiblock copolymer is useful for improving the melt processability of poly(arylene ether) compositions.

Abstract: Filled polyolefin compositions comprising: A) from 20% to 80% by weight of a polypropylene component; B) from 20% to 80% by weight of a filler; wherein the percentages of A) and B) are referred to the sum of A) and B), and A) is selected from the following compositions: a) a polypropylene composition containing from 20% to 80% by weight of a polypropylene fraction AI) having a Melt Flow Rate value of 500 g/10 min. or more, and from 20% to 80% by weight of a polypropylene fraction AII) having a Melt Flow Rate value of from 0.1 to 30 g/10 min., the said percentages of AI) and AII) being referred to the sum of AI) and AII); or b) a polypropylene composition containing from 15% to 72% by weight of a polypropylene fraction AI) having a Melt Flow Rate value of 500 g/10 min. or more, from 15% to 70% by weight of a polypropylene fraction AII) having a Melt Flow Rate value of from 0.1 to 30 g/10 min. and from 0.

Abstract: The invention relates to a polymerisable liquid mixture comprising: (a) a polymerisable thermosetting composition which is a precursor by polymerization of a first thermoset polymer material, said composition containing at least one polythiol and/or one polyol, preferably a polythiol, and at least one polyiso(thio)cyanate; and (b) a second polymer material solubilized in the aforementioned polymerisable thermosetting composition, whereby the second material (i) contains at least one block copolymer comprising at least two polymer blocks A and B, namely an elastomer block A and a hydrophilic block B, and, following polymerization of the polymerisable mixture, (ii) forms domains which are rich in elastomer block A and which are dispersed throughout the first material, said domains being smaller than 80 nanometers and preferably smaller than 50 nanometers.

Abstract: Impact modified compositions having good impact performance can be made from a thermoplastic (e.g., a polyolefin such as polypropylene or HDPE) and a multi-block ethylene/?-olefin interpolymer. The compositions are easily molded and often have particular utility in making, for example, automotive facia, parts and other household articles.

Abstract: The present invention relates to an adhesive composition comprising a mixture of multi-block copolymers, in particular, an adhesive composition comprising a block copolymer represented by Formula 1, a hydrocarbon adhesive resin and a plasticizer. The adhesive composition according to the present invention can be easily processed due to its low melting point and shows improved adhesive properties such as loop tack, 180° peel strength and holding power.

Abstract: A homogeneous blend comprising from 10% to 90% by weight of a metallocene catalyzed polyethylene (mPE) and from 90% to 10% by weight of styrene-butadiene block copolymers comprising from 5% to 40% by weight of 1,3 butadiene monomer units and from 60% to 95% by weight of styrene monomer units. The blend of the invention is used to make peelable films for food packaging applications.

Abstract: The present invention relates to a medical tube article comprising a polymer mixture of a thermoplastic or thermocuring polymer base material and an amphiphilic block copolymer.

Abstract: Novel polymers for biomedical use, especially rigid gas permeable contact lenses that are based on bulky side-chain siloxane cross linkers. The siloxanes, either alone, or as copolymers with bulky and non-bulky mono-functional polymerizable siloxanes, fluoro monomers, such as hexafluoroisopropyl methacrylate, and hydrophilic monomers, result in transparent, high oxygen permeable polymers possessing excellent lathing and milling characteristics.

Abstract: Embodiments of the invention provide block composites and their use as impact modifiers.

Abstract: Embodiments of the invention provide block composites and their use in thermoplastic vulcanizate compounds.

Abstract: Filled polyolefin compositions comprising: A) from 15% to 55% by weight of a polypropylene component; B) from 20% to 80% by weight of a filler; C) from 4% to 25% of an elastomeric polymer or polymer composition; wherein the percentages of A), B) and C) are referred to the sum of A) B) and C), and A) is selected from the following compositions: a) a polypropylene composition containing from 20% to 80% by weight of a polypropylene fraction AI) having a Melt Flow Rate L (MFRI) value of 500 g/10 min. or more, and from 20% to 80% by weight of a polypropylene fraction AII) having a Melt Flow Rate L (MFRII) value of from 0.1 to 30 g/10 min., the said percentages of AI) and AII) being referred to the sum of AI) and AII); or b) a polypropylene composition containing from 15% to 72% by weight of a polypropylene fraction AI) having a Melt Flow Rate L (MFRI) value of 500 g/10 min. or more, from 15% to 70% by weight of a polypropylene fraction AII) having a Melt Flow Rate L (MFRII) value of from 0.1 to 30 g/10 min.

Abstract: Compatibilised polyolefin compositions combining the positive properties of their respective components by using an olefinic di- or triblock copolymer as compatibiliser to generate a finely dispersed phase structure in the molten state and to improve adhesion between the blend components in the solid state, while not compromising processability of the polyolefin composition.