Abstract: The invention provides a diene polymer composition composed of a branched diene polymer component (A) having at least three branched diene polymer chains through a polyfunctional coupling agent and a linear diene polymer component (B) having a quaternary ammonium group, and having a weight average molecular weight (Mw) within a range of from 100,000 to 2,000,000, a preparation process of the diene polymer composition, and a rubber composition comprising a rubber component containing the diene polymer composition, and a reinforcing agent.

Abstract: The present invention provides a three piece solid golf ball exhibiting excellent flight performance and goof shot feel when hitting. The three piece solid golf ball comprises a solid core, an inner cover covering the solid core and an outer cover covering the inner cover, wherein the inner cover comprises a base resin and an additive and the base resin comprises at least 10% by weight of an ionomer resin having carboxylic groups of which 10 to 60 mol % is neutralized with alkali metal ion and of which 5 to 30 mol % is neutralized with copper ion, a total mol % of the neutralized carboxylic group being 30 to 70 mol %.

Abstract: An aqueous polymer composition containing water and hydrophilic polymers and a method for treating subterranean formations with the composition to reduce formation permeability. The hydrophilic polymers are a mixture of high-molecular-weight polymers having a molecular weight of at least about 2,000,000, and low-molecular-weight polymers having a molecular weight of up to about 1,000,000.

Abstract: The present invention is directed to new metal cation neutralized high acid ionomer resins and to golf ball cover compositions containing these new resins. When the new high acid ionomer resins are utilized to manufacture a golf ball, the golf ball produced thereby exhibits properties of improved distance without sacrificing characteristics such as playability and/or durability when compared to low acid ionomer and/or low acid/high acid ionomer blends.

Abstract: In a golf ball comprising a core and a cover, the cover is composed mainly of a blend of a soft ionomer in the form of a magnesium ion neutralized ethylene/(meth)acrylic acid/acrylate terpolymer and a hard ionomer in the form of a magnesium ion neutralized ethylene/(meth)acrylic acid copolymer. The blend has a Shore D hardness of 44-60. The ball is minimized in restitution loss and has an increased initial velocity, spin receptivity, good hitting feel, and scuff resistance.

Abstract: The present invention is directed to golf balls comprising at least a cover layer and a core layer, wherein at least one layer is a blend, the ionomeric component of which comprises from about 97 wt. % to about 35 wt. % of at least one high acid ionomer resin and from about 3 wt. % to <15 wt. % of at least one very low modulus ionomer (VLMI) resin. Up to about 70 wt. % of at least one standard ionomer resin may be included in the blend, if desired. The copolymer ionomers of the invention include E/X/Y copolymers where E is ethylene, X is a softening comonomer present in from 0 wt. % to about 50 wt. % of the polymer, and Y is acrylic or methacrylic acid present in from about 5 wt. % to about 35 wt. % of the polymer, wherein the acid moiety is neutralized from about 1% to about 90% to form an ionomer by at least one cation. In the ethylenic high acid copolymer ionomer, Y is present from 16.5 wt. % to about 35 wt.

Abstract: A method of (co)polymerizing vinyl and/or diene monomers comprising contacting the monomers with a (co)polymeriztion composition under conditions effective to (co)polymerize the monomers, wherein the (co)polymerization composition comprises: (a) an organic peroxide component, and (b) a heteropoly acid, in an amount effective to lower the onset temperature of decomposition of the organic peroxide component with the proviso that if the heteropoly acid is phosphomolybdic acid the organic peroxide is not a peroxydicarbonate.

Abstract: The present invention is directed to golf ball cover compositions containing blends of high or low carboxylic acid based copolymers and ethylene copolymers such as ethylene alkyl acrylates. The carboxylic acid groups of the blends are neutralized with metal cations. Golf balls produced with the cover molded thereon exhibit desired properties of distance and high coefficient of restitution without substantially sacrificing and/or improving characteristics like playability and durability when compared to existing covers comprising ionomeric resin blends.

Abstract: In a golf ball comprising a core and a cover, the cover is predominantly constructed of a blend of (A) a coordination ionic copolymer of a divalent metal ion crosslinked form of an ethylene/unsaturated carboxylic acid/unsaturated carboxylate terpolymer and an amine compound and (B) a metal ion crosslinked form of an ethylene/unsaturated carboxylic acid copolymer. The ball has improved restitution and feel.

Abstract: A solid golf ball includes a cover which is mainly formed from a resin blend of (a) 50-90% by weight of a salt of an ethylene-unsaturated carboxylic acid copolymer having an unsaturated carboxylic acid content of 10 to 20% by weight wherein at least 20 mol % of the carboxyl group is neutralized with a metal ion and (b) 50-10% by weight of an ethylene-unsaturated carboxylate-unsaturated carboxylic acid terpolymer having an unsaturated carboxylate content of 12 to 45% by weight and an unsaturated carboxylic acid content of 5.5 to 10% by weight. The cover has a hardness of 60 to 80 on JIS C hardness scale. The golf ball has many advantages including a pleasant feel, ease of spin, ease of control, high repulsion and resistance to peeling.

Abstract: In a resin blend consisting essentially of (A) 90-10% by weight of an ionomer resin and (B) 10-90% by weight of a copolymer of ethylene and an .alpha.-olefin of at least 4 carbon atoms having a specific gravity of 0.86-0.92 and a dispersity (Mw/Mn) of up to 2.5, (C) a polyolefin having a polar group is blended in an amount of 0.5-20 parts by weight per 100 parts by weight of (A)+(B), yielding a cover stock for golf balls. Golf balls with a cover formed of this cover stock are improved in durability, impact resistance, flight performance, hitting feel and controllability.

Abstract: The disclosed invention provides novel golf ball compositions which contain olefinic based ionomers and non-ionic olefinic copolymers produced by use of metallocene catalysts. 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 blends 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: This invention relates generally to optic devices such as ophthalmic lenses, lens blanks, and lens preforms, made from a thermoplastic material of a specific formula and a process for forming the same.

Abstract: The invention relates to polymer blends which can be used both in foamed and unfoamed states as a replacement for conventional EPDM and other elastomers. The composition of the blend includes a single-site catalyzed polyolefin resin having a density of below 0.878 g cm.sup.-3 and up to 40 weight percent a polyolefin including ethylene and propylene. The polymer blend is cross-linked. The polymer blends are formable and foamable. The use of sulfur to vulcanize the polymer blend is not necessary. The polymer blends can be used to make foam for floatation or for making gaskets.

Abstract: One-component hot-curing structural adhesives based on liquid rubbers, which may optionally contain functional groups, solid rubbers, thermoplastic polymer powders and sulfur and also vulcanization accelerators are suitable for bonding metal parts. Tensile shear strengths of more than 15 MPa and high breaking elongations of more than 15% can be obtained. These adhesives are substantially free from low molecular weight epoxy resins and are particularly suitable for use in white-shell assembly in the car industry.

Abstract: An anti-static resinous composition with permanent anti-static property is provided. The anti-static resinous composition comprises from 5 to 50 percent by weight of hydrophilic copolymer and from 50 to 95 percent by weight of thermoplastic. The hydrophilic copolymer is formed by self-emulsion polymerization. The monomer mixture used in the reaction comprises from 10 to 70 percent by weight of vinyl or propenyl macromonomer containing a polyethylene oxide chain and from 30 to 90 percent by weight of ordinary vinyl monomer. The thermoplastic is compatible with the hydrophilic copolymer. The resultant resinous composition has permanent anti-static properties.

Abstract: In a golf ball comprising a core and a cover, the cover is mainly composed of a resin consisting of a first ionomer in the form of a sodium neutralized ethylene/methacrylic acid/acrylate terpolymer having a flexural modulus of 1,000 to 15,000 psi and a second ionomer in the form of a magnesium neutralized ethylene/methacrylic acid copolymer having a flexural modulus of 20,000 to 48,000 psi. The blend has a Shore C hardness of 65 to 77. The ball has a soft feel, satisfactory spin rate, improved scuff resistance upon iron shots, and durability against top hitting with an excellent compatibility in cover.

Abstract: A multi-layer golf ball comprising a core, a cover layer and a mantle layer disposed between the core and the cover. The cover layer consists essentially of at least a first and a second ionomer resin. The first resin is a copolymer of 16 to 35% by weight of an alpha, beta-unsaturated carboxylic acid and 84 to 65% by weight of an olefin, wherein about 10 to about 90% of the carboxyl groups of the copolymer are neutralized with a metal ion. The second resin is a terpolymer of 9 to 12% by weight of an alpha, beta-unsaturated carboxylic acid, 1 to 50% by weight n-alkyl acrylate or methacrylate and 38 to 90% by weight of an olefin, wherein about 10 to about 90% of the carboxyl groups of the terpolymer are neutralized with a metal ion. The mantle layer comprises a thermoplastic material, said thermoplastic material consisting essentially of polyetherester block copolymer.

Abstract: A golf ball having a core and/or an intermediate layer comprising a functionalized fluoropolymer wherein the fluoropolymer may be a perfluoropolymer that is sulfonated or carboxylated or a derivative thereof. The fluoropolymer material may be blended with conventional materials employed to form golf ball cores, intermediate layers, and/or covers.

Abstract: The present invention provides a golf ball having excellent controllability at the time of approach and excellent shot feel, wherein spin is easily put on. A cover of the golf ball is composed of a mixture of specific three ionomer resins (1), (2) and (3), wherein the total amount of the resin (1) and resin (2) is not less than 85% by weight and the amount of the resin (3) is not more than 15% by weight in the mixture as a main component, and wherein the amount of the resin (1) is 30 to 82% by weight and the amount of the resin (2) is 3 to 55% by weight in the total of the resin (1) and resin (2) and a stiffness of the cover composition is 1,000 to 2,000 kg/cm.sup.2.

Abstract: The present invention provides a golf ball having excellent shot feel, controllability and durability as well as satisfactory flight performance. A cover of the golf ball is composed of a mixture of specific three resins (1), (2) and (3), wherein the total amount of the resin (1) and resin (2) is 60 to 83% by weight and the amount of the resin (3) is 17 to 40% by weight in the mixture as a main component, and wherein the amount of the resin (1) is 33 to 80% by weight and the amount of the resin (2) is 3 to 50% by weight in the total of the resin (1) and resin (2) and a stiffness of the cover composition is 1000 to 2000 kg/cm.sup.2.

Abstract: The present invention provides a method of anionic synthesis of stable macrocyclic polymers that are compounded to form vulcanizable elastomeric compounds exhibiting reduced hysteresis properties. Cyclic organometallic compounds containing divalent metal atoms of Groups IIA and IIB of the Periodic System are employed as initiators of anionic polymerization of conjugated diene, vinyl aromatic and/or triene monomers. Coupling of the living ends of the resulting macrocyclic polymers or copolymers with a coupling agent or a coupling agent that is also a functionalizing agent results in stable macrocyclic polymers with improved hysteresis properties.

Abstract: Disclosed is a golf ball comprising a core covered with a cover, wherein the cover is formed of a resin composition containing, as a major component, a mixture composed of (A) an ionomer resin of lithium salt of ethylene-(meta)acrylic acid copolymer, (B) an ionomer resin of bivalent metal salt of ethylene-(meta)acrylic acid ester-(meta)acrylic acid terpolymer, and (C) a partially saponified resin of ethylene-(meta)acrylic acid ester copolymer.

Abstract: Disclosed herein is a golf ball having a scuff-resistant, soft cover formed from more than 90 wt. % of one or more acrylate ester-containing ionomeric resins. The acrylate ester-containing ionomeric resins preferably are terpolymers. The golf ball has good durability and a high spin rate. A method of making the golf ball also is disclosed.

Abstract: Water-soluble polymers including functionalization from the group of amino groups, carboxylic acid groups, phosphonic acid groups, phosphonic ester groups, acylpyrazolone groups, hydroxamic acid groups, aza crown ether groups, oxy crown ethers groups, guanidinium groups, amide groups, ester groups, aminodicarboxylic groups, permethylated polyvinylpyridine groups, permethylated amine groups, mercaptosuccinic acid groups, alkyl thiol groups, and N-alkylthiourea groups are disclosed.

Abstract: A latex antistatic adhesive comprising an emulsion of polymerized microdrops dispersed in an aqueous medium, having an average diameter less than about 0.1 .mu.m, and a glass transition temperature (Tg) of from about -120.degree. C. to about 25.degree. C., wherein the polymerized microdrops are derived from emulsion microdrops of reactive monomers, said adhesive including at least one (meth)acrylic monomer, at least one polar monomer, at least one reactive oligomer and at least 1% of a lithium salt.

Abstract: Polyalkenylaromatic-polyethylene copolymers are prepared using protected functional organolithium initiators. Polymerization of an alkenylsubstituted aromatic monomer followed by ethylene, results in a protected functional block polystyrene-co-polyethylenyllithium. Termination with a functionalizing agent followed by deprotection produces polymeric products with high functionalization at the initiating chain-end and at least partial functionalization at the terminal chain-end.

Abstract: A film suitable for packaging medical solutions and other pH sensitive products wherein the product pH is controlled by including an ionomer resin as a core layer, strength layer, or other distinct intermediate layer positioned between a sealant layer and a vinyl carboxylate copolymer containing layer.

Abstract: The disclosed invention provides novel golf ball compositions which contain olefinic based ionomers and non-ionic olefinic copolymers produced by use of metallocene catalysts. 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 blends 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 power cable is disclosed, which comprises a conductor having thereon an insulating layer which comprises a composition comprising from 25 to 35% by weight based on the total amount of the composition of an ethylene-vinyl acetate copolymer resin having a vinyl acetate content of from 25 to 33% by weight, and from 65 to 75% by weight based on the total amount of the composition of polyethylene, the polyethylene containing in the molecule thereof vinyltrimethoxysilane by copolymerization or graft polymerization, the composition containing an organo heavy metal compound as a cross-linking catalyst, the insulating layer is cross-linked by the cross-linking reaction of trimethoxysilane groups in the polyethylene in the presence of water.

Abstract: A golf ball cover is formed of a composition comprising (a) 70-95% by weight of a sodium or zinc salt of an ethylene-unsaturated carboxylic acid-unsaturated carboxylate terpolymer or a mixture thereof and (b) 30-5% by weight of a sodium or zinc salt of an ethylene-unsaturated carboxylic acid copolymer, an ethylene-unsaturated carboxylic acid-unsaturated carboxylate terpolymer or a mixture thereof, having an M.F.R. of at least 4, the composition curing into a product having a hardness of 55-80 on JIS C scale and a tensile stress at 10% distortion of 40-140 kg/cm.sup.2. The composition is easy to mold and allows for manufacture of a golf ball having improved spin properties and resistant to impact by iron and other clubs.

Abstract: The introduction of a novel curable resin composition that is characterized by the ability to cure at temperatures at or above its melting-initiation temperature through the rapid, hydrosilylation-based formation of a crosslinked structure. Said curable resin composition comprising(A) an acrylic resin that has at least 2 silicon-bonded alkenyl groups in each molecule and a melting-initiation temperature of at least 40.degree. C.;(B) an acrylic resin that has at least 2 hydrosilyl groups in each molecule and a melting-initiation temperature of at least 40.degree. C., in a quantity that yields a value from 1:0.3 to 1:30 for the molar ratio of silicon-bonded alkenyl groups in component (A) to silicon-bonded hydrogen atoms in component (B); and(C) a hydrosilylation reaction catalyst in sufficient quantity to cure the composition.

Abstract: The present invention provides a golf ball which exhibits a soft hit feeling and a high impact resilience. The golf ball comprises a core made of an elastomer and a cover covering said core wherein said cover is made of a thermoplastic material comprising a rubber powder and a thermoplastic elastomer, said rubber powder being present in an amount of 5 to 40 parts by weight based on 100 parts by weight of said thermoplastic elastomer.

Abstract: A process for the continuous production of superabsorbent polymers, characterised in that aqueous emulsions of uncross-linked and cross-linked polyacrylonitrile homopolymers and/or copolymers, the polyacrylonitrile concentrations in the reaction mixture being from 10 to 45 w.t. %, are hydrolysed with aqueous alkali hydroxide solutions at 50.degree. to 100.degree. C. in a continuously operating reactor suitable for carrying out highly viscous reactions, and that from the highly viscous gels formed the products in the form of superabsorbent powders are continuously precipitated by means of continuous precipitation using low-boiling monoalcohols, and the use thereof in sanitary articles, as water-storing materials in agriculture or for sheathing electrical cables.

Abstract: A polymer blend and a golf ball employing a cover formed of that polymer blend are disclosed. The polymer blend is made from about 5 to about 95 phr of the polymer blend. About 5 to about 95 phr resin is included in the blend. The ball that employs the cover of the polymer blend has excellent click and feel, as well as excellent spin characteristics.

Abstract: A golf ball cover is formed of a composition comprising (a) 70-95% by weight of a sodium or zinc salt of an ethylene-unsaturated carboxylic acid-unsaturated carboxylate terpolymer or a mixture thereof and (b) 30-5% by weight of a sodium or zinc salt of an ethylene-unsaturated carboxylic acid copolymer, an ethylene-unsaturated carboxylic acid-unsaturated carboxylate terpolymer or a mixture thereof, having an M.F.R. of at least 4, the composition curing into a product having a hardness of 55-80 on JIS C scale and a tensile stress at 10% distortion of 40-140 kg/cm.sup.2. The composition is easy to mold and allows for manufacture of a golf ball having improved spin properties and resistant to impact by iron and other clubs.

Abstract: The disclosed invention provides novel golf ball compositions which contain olefinic based ionomers and non-ionic olefinic copolymers produced by use of metallocene catalysts. These compositions exhibit improved mechanical properties such as tensile and flexural properties. Golf balls which employ these blends provide ball properties and performance similar to and in some cases better than the state of the art ionomer based golf balls.

Abstract: A dry immunoassay analytical element, for assaying a ligand, comprising in the following order:(a) a layer containing a labeled ligand;(b) a spreading layer;(c) a receptor layer containing a fixed concentration of an immobilized receptor for the labeled ligand and the receptor is i) covalently bonded to polymeric beads having a diameter in the range of 0.1 to 5 .mu.m and ii) dispersed in a polymeric binder and(d) a support;characterized in that the spreading layer contains a water soluble polymer containing vanadium IV (V.sup.+4) ions.

Abstract: A golf ball having a covering or coating consisting in whole or in part of a sulfonated or carboxylated fluoropolymer wherein the fluoropolymer comprises 1-100% of the covering or coating. The fluoropolymer may be blended with conventional golf ball cover or coating materials. A method of enhancing the cut resistance, abrasion resistance, and durability of a golf ball comprises the steps of: a) forming a golf ball core; and b) forming a cover around said core by either compression molding preformed half-shells of cover stock material comprising of a sulfonated or carboxylated fluoropolymer about said core or by injection molding cover stock material comprising of a sulfonated or carboxylated fluoropolymer around said core. Another method of enhancing the cut resistance, abrasion resistance, and durability of a golf ball in accordance comprises coating the golf ball with a sulfonated or carboxylated fluoropolymer.

Abstract: An immobilized Lewis Acid catalyst system for the carbocationic polymerization of olefin monomer is provided. The catalyst comprises a porous polymer support having catalytically active Lewis Acid residue bonded to the surface of the support including the pore surfaces.

Abstract: Novel, soft, low modulus ethylene copolymer ionomer compositions containing an acrylate softening monomer, neutralized with magnesium or lithium ions possess a higher level of resilience at a given level of PGA Compressibility than known ionomers. The advantage is maintained in certain blend compositions with harder ionomers for blends having a neat-sphere PGA Compression below about 155. Both unblended and blended compositions will be useful as golf balls and components of golf balls, for one-piece balls, centers, cores and covers of golf balls.

Abstract: The present invention is directed to a novel golf ball cover composition comprised of a blend of a new metal cation neutralized high acid ionomer resin and an ionomer resin containing an additional comonomer of the acrylate ester class. When the new ionomer resin blend is utilized to manufacture a golf ball, the golf ball produced thereby exhibits an improved combination of distance, playability, and/or durability properties.

Abstract: A multi-piece solid golf ball comprises a core having a structure consisting of at least two layers and a cover on the core consisting of outer and inner cover layers. The outer cover layer has a Shore D hardness of 40-60 degrees. The inner cover layer has a Shore D hardness of up to 53 degrees and lower than that of the outer cover layer. The ball's carry is comparable to conventional solid golf balls and spin receptivity is approximate to wound golf balls while the ball is durable and offers pleasant feel.

Abstract: The present invention provides a golf ball which does not cause poor impact resilience but provides long distance carry as well as good hit feeling, and keeps controllability nearly similar to balata covered thread wound golf balls. The present invention provides a golf ball which comprises a core and a cover for covering the core, wherein the cover comprises, as base component, a mixture of a sulfonate-type ionomer of which a polymer chain contains an elastomeric portion having rubber resilience and has a sulfonic group neutralized by a metallic ion, and a carboxylate type ionomer which is a copolymer of at least .alpha.-olefin and .alpha.,.beta.-unsaturated carboxylic acid of which a carboxyl group is neutralized by a metallic ion.

Abstract: In one embodiment of the present invention, there is provided a composition comprising a major amount of an ethylene alpha olefin copolymer and a minor amount of a lower molecular weight ethylene alpha olefin or a neutralized sulfonated ethylene alpha olefin.

Abstract: A polymer blend and a golf ball employing a cover formed of that composition are disclosed. The polymer blend is made from about 95 to about 50 parts by weight of one or more sodium ionomer resins, one of which has a lower flexural modulus than the other sodium ionomer. About 20 to about 50 parts by weight of a lithium ionomer resin is included in the blend. The ball that employs the cover has excellent spin characteristics.

Abstract: Disclosed is a golf ball having excellent shot feel, control properties as well as satisfactory flight performance and cut resistance. The golf ball has a core and a cover covering the core wherein the cover has a stiffness modulus of 100 to 250 MPa and comprises a base resin and an additive, and the base resin mainly contains a mixture of specific resins (A) and (B) in a weight ratio of 60:40 to 90:10(A) is an ionomer resin(B) is a styrene/carboxylic and copolymer.

Abstract: A scratch resistant golf ball cover comprising a blend of:(I) an acrylic ionomer or mixture with a methacrylic ionomer having a stiffness modulus of 3000-5000 Kg/cm.sup.2(II) a methacrylic ionomer having a stiffness modulus of 900-2000 Kg/cm.sup.2 neutralized with zinc.

Abstract: Disclosed is a golf ball having excellent hit feeling, control properties and flying performances. The golf ball has a core and a cover for covering the core. The base resin of the cover comprises a mixture of three specific resins (A), (B), and (C), and the cover has a stiffness modulus of 130 to 300 MPa and a Shore D hardness of 43 to 58. Resin (A) is a high rigid ionomer resin or resin mixture, Resin (B) is a moderate rigid ionomer resin or resin mixture, and Resin (C) is a low rigid copolymer resin.

Abstract: The present invention provides a golf ball having excellent hit feeling and control property as well as excellent flying performance and cut resistance, which comprises a core and a cover for covering the core, wherein a heated mixture of an ionomer resin and a polymer containing a glycidyl group is used as a main component of a base resin for the cover.