Abstract: The present invention relates to a process for producing a polymer structure comprising: mixing and unifying a matrix polymer made of a linear polymer and a highly-branched polymer having hydrophilic functional groups at molecular ends and to form a structure containing the matrix polymer and the highly-branched polymer; and subjecting the obtained structure to either immersion in water and/or a hydrophilic solvent or exposure to an atmosphere of vapor of water and/or a hydrophilic solvent at a temperature ranging from a temperature lower than Tg of the matrix polymer by 30° C. to decomposition temperature of the matrix polymer; wherein the hydrophilic functional groups at the molecular ends of the highly-branched polymer are distributed in outermost surface of the polymer structure at an enhanced density. The present invention also relates to a process for producing a polymer structure in which vinyl polymer chains are grafted to at least a part of the hydrophilic functional groups.

Abstract: The objective of the present invention is to provide a thermoplastic resin composition having an excellent balance of chemical resistance, heat resistance and impact resistance and a molded article comprising this thermoplastic resin composition. The present thermoplastic resin composition comprises a rubber-reinforced resin, an ethylene.(meth)acrylic acid ester-carbon monoxide copolymer, and polytetrafluoroethylene, and contents of ethylene.(meth)acrylic acid ester.carbon monoxide copolymer and polytetrafluoroethylene are respectively from 0.5 to 20 parts by weight and from 0.01 to 5 parts by weight, with respect to 100 parts by weight of the rubber-reinforced resin. A modified polyolefin resin may be contained.

Abstract: The invention relates to a rotomolding process for forming a multi-layer article of two different polymers with different melting points in which an outer layer polymer powder is added to a rotational molder along with an inner layer polymer powder that is separated from the outer layer powder by a release film. The release film has a particular melting point that is greater than that of the outer layer polymer and preferably between the melting points of the inside layer and outside layer polymers. In one embodiment, the release layer forms an enclosure or bag in which the inner layer (higher melting point) powder is enclosed. In another embodiment the release film forms a barrier between an insulated cavity and the mold. The process provides a means for a “one-shot” rotomolding method.

Abstract: The invention relates to a coating composition comprising a radiation grafted functionalized fluoropolymer. This coating is preferably, in the form of a powder coating. The coating can be used on inorganic substrates, especially un-primed metals. The invention also relates to the coated inorganic substrate and to the use of the coating composition to protect the inorganic substrate, especially from corrosion.

Abstract: The present invention relates to the modification of copolymers, in particular of grafted copolymers into comb copolymers. The modification comprises the steps (i) of controlled radical polymerization of a polymer or copolymer bearing a epoxide group at one end resulting from the initiation step, and (ii) a heating step of the polymer prepared under (i) and a copolymer bearing a functional group either in the backbone or attached to a side chain, which is able to react with the epxide group. The result is a comb copolymer with well controlled chain length of the grafted side arms expressed for example by a low polydispersity.

Abstract: The present invention is a peroxide-free process for preparing a direct-grafted polyolefin. The process has the steps of (a) selecting an antioxidant-free, unsaturated polyolefin, (b) oxidizing the polyolefin, (c) selecting a graftable, polar monomer, (d) combining the polyolefin and the graftable, polar monomer, (e) forming free radicals on the oxidized polyolefin, and (f) grafting the graftable, polar monomer onto the polyolefin at the free-radical sites.

Abstract: The present invention provides a graft polymer and compositions comprising a cyclic olefin polymer characterized by having a glass transition temperature of about 60° C. to 250° C and a molecular weight of about 400 to 300000, and a fluorocarbon alkyl group grafted on the cyclic olefin polymer.

Abstract: The present invention relates to processing of thermoplastic polymers, for example to injection molding and extrusion. More particularly the present invention relates to extrusion of polyolefin resins, especially polyethylene resin, and could be used in manufacture of polymer profile, isolating jacketing at electrical cable, polymer tube and film in blown film process. The present invention is directed to increase rate of defect free extrusion. Other objects of the present invention are: to lower cost of the used additives, to lower amount of additives during extrusion of polymer melts with fillers, to simplify design of equipment, which is used for processing of polymeric materials, to save energy, which is necessary for processing, to improve product appearance and its mechanical performances.

Abstract: A vinylidene fluoride-based resin film including polyvinylidene fluoride whose average spherocrystal diameter is less than 0.1 ?m that is a detection limit or lower by observation using a transmission electron microscope is provided, the average spherocrystal diameter being obtained by shaping a vinylidene fluoride-based resin in a molten state by sandwiching the resin between rollers or metal belts so as to let it cool down. Thereby, a vinylidene fluoride-based resin film and a vinylidene fluoride-based resin multilayered film having excellent transparency, weather resistance, chemical resistance, break resistance and formability are provided.

Abstract: Disclosed is a method of preparing a catalyst for polymerization of aliphatic polycarbonates and a method of polymerizing an aliphatic polycarbonate. This method includes reacting a zinc precursor and organic dicarboxylic acid in a non-ionic surfactant-included solution.

Abstract: A fluoropolymer blend with high ionic conductivity that can be applied in electroactive polymer composite includes following components: PVDF-g-SPS (styrene-grafted and sulfonated PVDF); PVDF; and hydrocarbon- or fluoro-elastomer. PVDF-g-PS(styrene-grafted PVDF) ? PVDF and hydrocarbon- or fluoro-elastomer are mixed with specific proportion and being dissolved in an aprotic solvent ? the solution is then cast film on a substrate followed by sulfonation to give the aforementioned compound membrane. The obtained compound membrane has excellent properties, such as thermal stability, acid-alkali resistance, good mechanical performance, excellent flexibility, and capability for processing appropriate cross-link for further enhancing the mechanical performance of this membrane.

Abstract: A method of cross-linking a composition comprising firstly a polyethylene-based silane-grafted polymer, and secondly a filler. The invention is remarkable in that the cross-linking method consists in mixing the composition with a condensation catalyst constituted by lauryl stannoxane of formula [(C4H9)2Sn(OOCC11H23)]2O.

Abstract: A rubber composition includes ?,?-ethylenically unsaturated nitrile-conjugated diene copolymer rubber (A), ?,?-ethylenically unsaturated nitrile-conjugated diene copolymer rubber (B), ethylene-?-olefin copolymer rubber (C), and a graft copolymer (D). The graft copolymer (D) is obtained by performing graft copolymerization on a mixture of an aromatic vinyl compound and an ?,?-ethylenically unsaturated nitrite monomer with an ethylene-propylene-unconjugated copolymer. A content of structure units of the ethylene-propylene-unconjugated copolymer is 20 to 70 wt %, a ratio of the graft copolymer (D) with respect to 100 parts by weight in total of said rubber (A), rubber (B) and rubber (C) is 1 to 30 parts by weight. A composition ratio of the rubber (A), rubber (B) and rubber (C) is rubber (A): 20 to 79 wt %, rubber (B): 1 to 30 wt %, and rubber (C): 20 to 50 wt %.

Abstract: A polythiourethane is produced by polymerizing a compound represented by formula (I) in the presence of a compound represented by formula (II) in which R1 represents a methyl group;

Abstract: The disclosed invention provides a golf ball including a core and a cover of at least two layers, wherein the at least one cover layer includes an inner cover layer of at least one ionomer resin and an outer cover formed from a polymer blend including at least one grafted metallocene-catalyzed polymer and at least one ionomer neutralized with a metal cation, and optionally, a non-grafted metallocene-catalyzed polymer.

Abstract: A golf ball including a core; an intermediate layer formed from a polymer blend including a first material having a flexural modulus of between about 65,000 psi and about 120,000 psi and a second material including a grafted-metallocene polymer; and a cover layer formed from a castable reactive liquid material.

Abstract: Adhesive blend compositions having significantly improved adhesion to metals at elevated temperatures are provided. The compositions are blends of one or more polyolefin base resins, an acid or acid derivative modified polyolefin and silane modified polyolefin. A low level of adhesion promotor is optionally included in the blend.

Abstract: An objective of the present invention is to provide a resin composition which gives a molding excellent in flexibility, impact resilience and mechanical properties and a golf ball having the better shot feel, a long carry, and the excellent cutting resistance when used in a golf ball cover. The resin composition of the present invention is characterized in comprising an ionomer resin, an alkoxysilyl group-containing hydrogenated conjugated diene-based polymer and/or an amino group-containing hydrogenated conjugated diene-based polymer. Alkoxysilyl group content and amino group content in the above-mentioned polymers are preferably 0.0001 to 5 mmol/g, respectively. The golf ball of the invention is characterized in that core is covered with a cover material using the above-mentioned resin composition.

Abstract: A biodegradable thermoplastic material comprising a natural polymer, a plasticizer and an exfoliated clay having a layered structure and a cation exchange capacity of from 30-250 milliequivalents per 100 grams and a process of preparing a biodegradable thermoplastic material comprising preparing a suspension of clay, combining said suspension with a natural polymer and a plasticizer and extruding the resultant composition at a temperature of 35-200° C.

Abstract: The thermal stability of graft copolymers can be improved by blending (1) a graft copolymer comprising a backbone of a propylene polymer material having graft polymerized thereto a monomer selected from the group consisting of (a) an ester of an acrylic acid substituted at the alpha carbon atom by a 1-3 alkyl group and (b) a combination of (i) an ester of an acrylic acid substituted at the alpha carbon atom by a 1-3 alkyl group and (ii) an ester of an unsubstituted acrylic acid, or an acrylic acid substituted at the alpha carbon atom by a 1-3 carbon alkyl group and (2) about 1 weight % to about 25 weight % of a fluorinated olefin polymer, wherein the ratio of the polymerized monomer to the fluorinated olefin polymer is about 25:1 to about 0.5:1.

Abstract: The invention relates to thermoplastic compositions comprising: −40 to 97 parts of a thermoplastic polymer (M) forming a matrix, chosen from polyamides, polyamide block copolymers, fluoro polymers, polycarbonate, styrene resins, PMMA, thermoplastic polyurethanes (TPU), copolymers containing polyester blocks and polyether blocks, polycarbonate-polyester alloys, polyketones, PVC and ethylene-vinyl alcohol copolymers (EVOH), −60 to 3 parts of (B) comprising: either an ethylene-alkyl (meth)acrylate copolymer (B1), the alkyl having at least 5 carbon atoms, which copolymer (B1) carries a functional group or a blend of an ethylene-alkyl (meth)acrylate copolymer (B2), the alkyl having at least 5 carbon atoms, which copolymer (B2) does not carry a functional group, and of an impact modifier which carries a functional group.

Abstract: Polymeric adhesive comprising a homogeneous mixture of at least three constituents: (a) at least one thermoplastic halogenated hydrocarbon polymer, (b) at least one copolymer of monoethylenic monomers which carry an alkyl carboxylate functional group and (c) at least one alpha-olefin polymer modified by the incorporation of at least one functional group chosen from a carboxyl, an acid anhydride, a hydroxyl and an epoxide. Process for the preparation of this polymeric adhesive and use of this polymeric adhesive in the preparation of structures with multiple polymeric layers. Structures with multiple polymeric layers comprising a layer (A) based on thermoplastic halogenated hydrocarbon polymer bonded to a layer (C) based on thermoplastic nonhalogenated polymer incompatible with (A) via a layer (B) based on this polymeric adhesive.

Abstract: A brominated butyl rubber and a polymer based on a conjugated diolefin monomer are grafted by mixing the solid polymer at a temperature greater than 50° C. for a time sufficient to cause grafting. The grafted copolymer is useful especially in tire tread compositions.

Abstract: A porous or non-porous polymeric substrate having its surface modified with an immobilized fluorocarbon such as perfluorocarbon, polymeric composition is provided. The immobilized fluorocarbon is formed from a monomer having formula: [T—SO2Y—SO2T′]−M+ in which —T and T′ are identical or different and comprise an organic radical bearing at least one active polymerization function such as an unsaturation or a ring that can be opened; —M+ comprises an inorganic cation.

Abstract: A golf ball comprising a core, an intermediate layer, and a cover layer; wherein the intermediate layer is formed of a polymer blend comprising an ionomer having at least about 16% acid groups and a grafted-metallocene polymer; and the cover layer comprises a castable reactive liquid material. Optionally, a non-ionomer may be blended with the polymer blend or, in an alternative, the high acid ionomer may be blended solely with the non-ionomer.

Abstract: The disclosed invention provides a golf ball including a core and a cover of at least two layers, wherein the at least one cover layer includes an inner cover layer of at least one ionomer resin and an outer cover formed from a polymer blend including at least one grafted metallocene-catalyzed polymer and at least one ionomer neutralized with a metal cation, and optionally, a non-grafted metallocene-catalyzed polymer.

Abstract: The invention provides a binder resin and a primer composition, paint composition, ink composition an adhesive composition with excellent gasohol resistance, adherence, weather resistance, etc. to polyolefinic resins and relates to a binder resin for polyolefinic resins comprising carboxyl group-containing chlorinated polyolefin (II), which contains not more than 2% of a component with molecular weight of 2,000 or lower and which has a ratio of weight average molecular weight (Mw) to number average molecular weight (Mn), that is the value Mw/Mn of not more than 4.

Abstract: The invention relates to a nanocomposite material on the basis of clay having a layered structure and a cation exchange capacity of from 30-250 milliequivalents per 100 gram, a polymeric matrix and a block copolymer or a graft copolymer, which block copolymer or graft copolymer comprises one or more first structural units (A), which are compatible with the clay and one or more second structural units (B), which are compatible with the polymeric matrix.

Abstract: A maleic anhydride modified ethylene polymer/ionomer/high density polyethylene blend having improved impact resistance (e.g., increased low temperature Izod impact) can be achieved by the addition of a maleic anhydride grafted high ethylene derived polymer (e.g., MAN-g-HDPE, MAN-g-VLDPE, MAN-g-EPR, MAN-g-EPDM, and the like) to ionomer and high density polyethylene during blending. The blends exhibiting improved impact resistance characteristics according to the instant invention are particularly useful in the manufacture of automotive parts, panels and the like having a “class A” surface.

Abstract: Disclosed herein is a golf ball having a core and a cover comprising a blend of ionomer and plastomer. The golf ball has an impact resistance and cut resistance comparable to a ball having a non-plastomer cover and containing higher quantities of ionomer.

Abstract: A resin composition comprising, in admixture, (A) a specific thermoplastic resin composition and (B) a comb-like graft copolymer comprising (b-1) a non-ionomer thermoplastic elastomer as backbone component and (b-2) a polymeric chain containing a non-olefinic monomer as side chain component wherein the weight ratio of (A):(B) is from 99:1 to 40:60 is improved in flow and moldability and thus suitable to form a layer of a golf ball which exhibits improved rebound and durability.

Abstract: An electrostrictive graft elastomer has a backbone molecule which is a non-crystallizable, flexible macromolecular chain and a grafted polymer forming polar graft moieties with backbone molecules. The polar graft moieties have been rotated by an applied electric field, e.g., into substantial polar alignment. The rotation is sustained until the electric field is removed. In another embodiment, a process for producing strain in an elastomer includes: (a) providing a graft elastomer having a backbone molecule which is a non-crystallizable, flexible macromolecular chain and a grafted polymer forming polar graft moieties with backbone molecules; and (b) applying an electric field to the graft elastomer to rotate the polar graft moieties, e.g., into substantial polar alignment.

Abstract: Structures for transport and containment of hydrocarbon fluids for motorized transportation vehicles are made from a blend of polar-grafted fluoropolymer dispersed in a matrix of polar polymer. The blend can be in a component element of a composite structure.

Abstract: Golf ball compositions, which contain olefinic polymers produced by use of single-site catalysts. Such polymers can be functionalized with a post-polymerization reaction. The single-site catalyzed polymers may be blended with ionomers, other grafted or non-grafted single-site catalyzed polymers, thermoplastics, non-single-site polymers, or other non-ionomeric polymers. The compositions can be foamed or unfoamed. Golf balls that employ at least one layer of these compositions in any of the golf ball cover, core, or a mantle situated between the cover and the core provide ball properties and performance similar to and in some cases better than the state of the art ionomer based golf balls.

Abstract: A fluorine-containing polymer alloy comprising a grafted fluorine-containing polymer (a) and a polymer (c) containing no fluorine atom, said grafted fluorine-containing polymer (a) comprising a fluorine-containing polymer (d) having hydrogen atoms bonded to carbon atoms of its main chain and a grafting compound having a linking group capable of grafting to the fluorine-containing polymer (d) and a functional group capable of providing an adhesive property, grafted to the fluorine-containing polymer (d).

Abstract: The present invention relates to a blend of at least one (meth)acrylate polymer and at least one amorphous propylene-derived polymer, and an optional tackifier that provide pressure sensitive adhesive compositions in which improved peel adhesion to at least one of low and relatively high surface energy substrates can be achieved.

Abstract: The disclosed invention provides a golf ball comprising a core and a cover, wherein at least one of the cover or the core is formed from a polymer blend comprising at least one grafted metallocene-catalyzed polymer, at least one ionomer, and at least one non-ionomer having improved melt flow characteristics.

Abstract: The disclosed invention provides a golf ball including a core and a cover of at least two layers, wherein the at least one cover layer includes an inner cover layer of at least one ionomer resin and an outer cover formed from a polymer blend including at least one grafted metallocene-catalyzed polymer and at least one ionomer neutralized with a metal cation, and optionally, a non-grafted metallocene-catalyzed polymer.

Abstract: The present invention is directed to a golf ball and a to a process for forming a golf ball having least one layer, where the layer is formed of a saponified polymer/metallocene catalyzed polymer blend, having from about 1 to about 99 parts of at least one saponified polymer and from about 99 to 1 parts of at least one metallocene catalyzed polymer, based on 100 parts by weight of the saponified polymer/metallocene catalyzed polymer blend. The layer may be foamed or unfoamed, and may form at least a portion of any of the cover, the core, or a mantle layer situated between the cover and the core.

Abstract: The disclosed invention provides novel golf ball compositions which contain non-ionic olefinic copolymers produced by use of metallocene catalysts, wherein the metallocene catalyzed polymers have been functionalized with a post-polymerization reaction. The grafted metallocene catalyzed polymers may be blended with ionomers, non-grafted metallocene catalyzed polymers, or other non-ionomeric polymers. These compositions exhibit improved mechanical properties such as tensile and flexural properties, and can be foamed or unfoamed. Golf balls that employ at least one layer of these compositions in any of the golf ball cover, core, or a mantle situated between the cover and the core provide ball properties and performance similar to and in some cases better than the state of the art ionomer based golf balls.

Abstract: A thermoplastic composition which may be unvulcanized or vulcanized is provided which comprises a polymer blend of an elastomeric thermoplastic engineering resin and a halogen-containing copolymer of a C4 to C7 isomonoolefin and a para-alkylstyrene. A process for preparing a dynamically vulcanized composition is also provided.

Abstract: Heterophasic polyolefin alloys, with a semi-interpenetrating network structure and an outstanding combination of high stiffness, low temperature toughness and optionally a low coefficient of thermal expansion of propylene polymers and elastomers, are produced by melt compounding propylene polymers with a co-continuous blend, which contains 5 to 60% by weight of gel and was produced by reacting mixtures of propylene polymers and elastomeric polyolefins or styrene butadiene ethylene terpolymers with ethylenically unsaturated, hydrolyzable organosilane compounds in the presence of silanol condensation catalysts. Heterophasic polyolefin alloys are suitable for the production of films, sheets, fibers, panels, coatings, injection molded article, pipes, hollow objects and foams.

Abstract: There are described novel cross-linked polymers based on bis-silane, bis-thioether, bis-sulphoxide, bis-sulphone and butane-di-yl derivatives of polysaccharides and oligosaccharides, their shaping as support materials useful for the separation or preparation of enantiomers; a process for preparing the said cross-linked polymer compounds, a process for preparing balls of support materials containing the said cross-linked polymer compounds; a method of obtaining balls of support materials useful in chromatography or in organic synthesis; and the use of the said support materials containing the cross-linked polymer compounds in separation or in preparation of enantiomers, through employment in chromatography or organic synthesis processes in a heterogeneous medium; and the use of the said cross-linked polymer compounds in the form of membranes in processes using percolation through membranes for the separation or the preparation of enantiomers.

Abstract: A syndiotactic polystyrene copolymer resin composition with high impact strength, which comprises: (A) about 1-99 weight % of a syndiotactic polystyrene copolymer which is polymerized from at least one macromonomer having an active polymerization group at its end and at least one styrene monomer; and (B) about 99-1 weight % of at least one rubber phase resin and/or at least one thermoplastic resin.

Abstract: The present invention is directed towards a multi-layer golf ball which comprises a core, a cover layer and at least one intermediate layer disposed between the core and cover, wherein the intermediate layer comprises a glycidyl polymer and optionally, a second thermoplastic component such as polyetherester block copolymer, polyesterester block copolymer, polyetheramide block copolymer, dynamically vulcanized thermoplastic elastomer, functionalized styrene-butadiene elastomer, thermoplastic polyurethane, thermoplastic polyesters, metallocenie polymer or blends thereof and a density-modifying filler such as zinc oxide, titanium dioxide or blends thereof. Further, in a preferred embodiment, the core has a compression less than 60, the finished ball has a COR of greater than about 0.78, the intermediate layer has a specific gravity of greater than about 1.2 and the cover has a Shore D hardness of about 54 to about 72.

Abstract: A reinforced molding material having high tensile strength comprising: (a) from 0 to 98 parts by weight of one or more thermoplastics, (b) from 2 to 100 parts by weight of a substantially amorphous polyolefin which has been subjected to free radical grafting with a silane which has at least one olefinic double bond and one to three alkoxy groups bonded directly to the silicon, this grafted polyolefin having a melt viscosity at 190° C. In the range from 100 to 50,000 maps and the parts by weight of (a) and (b) sunning to 100, and (c) from 0.5 to 400 parts by weight of a reinforcing material. The molding material can be used, inter alia, for shaped articles, as hotmelt adhesives or for heavy-duty carpet backing materials.

Abstract: The invention relates to a thermoplastic composition comprising at least one polymer (M) forming a matrix in which are dispersed at least one polymer (S) and at least one polymer (K) and such that its tensile strength is greater than that of a composition comprising only (M) and (S), the proportion by weight of (M) being the same.

Abstract: Polymeric adhesive comprising a homogeneous mixture of at least three constituents: (a) at least one thermoplastic halogenated hydrocarbon polymer, (b) at least one copolymer of monoethylenic monomers which carry an alkyl carboxylate functional group and (c) at least one alpha-olefin polymer modified by the incorporation of at least one functional group chosen from a carboxyl, an acid anhydride, a hydroxyl and an epoxide. Process for the preparation of this polymeric adhesive and use of this polymeric adhesive in the preparation of structures with multiple polymeric layers. Structures with multiple polymeric layers comprising a layer (A) based on thermoplastic halogenated hydrocarbon polymer bonded to a layer (C) based on thermoplastic nonhalogenated polymer incompatible with (A) via a layer (B) based on this polymeric adhesive.

Abstract: A golf ball and a method of making a golf ball, having a cover and a core, wherein the golf ball has at least one layer formed of a compatibilized blend of about 4 percent to 95 percent of at least one ionomer resin; about 95 percent to 4 percent of at least one non-ionic polymer; and about 1 to 15 phr, based on 100 parts ionomer resin and non-ionic polymer, of at least one non-carboxylic acid compatibilizer of functionalized block and graft polymers and oligomers, wherein at least one portion of the non-carboxylic acid compatibilizer is miscible with the at least one ionomer and at least one portion of the non-carboxylic acid compatibilizer is miscible with the at least one non-ionic polymer.

Abstract: What is described herein are conditioning/styling terpolymers of vinylpyrrolidone (VP), dimethylaminopropyl methacrylamide (DMAPMA) and C9-C24 alkyl dimethylaminopropyl methacrylic acid quaternized monomers (QDMAPMA), in a defined compositional range. Hair and skin care compositions which include these terpolymers exhibit advantageous low tackiness and high humidity resistance.