Abstract: Crosslinked fine particles having a Tg of 100° C. or higher and an amount of remaining double bonds of 0.01 mmol/g or more, which are obtainable by polymerizing a compound (a1) having one or two radical-polymerizable ethylenic unsaturated groups in the molecule and a compound (a2) having three or more (meth)acryloyl groups in the molecule.

Abstract: Use of OO-t-amyl-O(2-ethylhexyl)monoperoxycarbonate as a curing catalyst for bulk molding compounds (“BMC”s) and sheet molding compounds (“SMC”s) is provided.

Abstract: A golf ball comprising a core and a cover, the cover having a thickness of less than about 0.08 inches, the core having a compression of less than about 90 and is formed from a composition comprising a base rubber, a metal salt acrylate or diacrylate, an initiator, a highly-neutralized polymer, and at least one of a low modulus ionomer or an acid terpolymer of the formula: having a dynamic shear storage modulus at 23° C.

Abstract: Thermoplastic polyolefin blends having improved resistance to fluids such as petroleum fuels after being painted with flexible coatings such as polyurethanes paints and the like are disclosed. These blends include a crystalline or semi-crystalline polyolefin such as polyethylene, polypropylene, or a copolymer of ethylene and a C3 to C10 olefin, and a multimodal elastomer of sequentially polymerized ethylene-&agr;-olefin monomers. The substantially crystalline polyolefin is present in an amount of 30 to 98 weight percent, while the multimodal elastomer, which is substantially amorphous, is present in an amount of about 2 to 70 weight percent. The blends may contain additional polymeric components, fillers and the like. In addition to increased paint adherence, higher weld-line strength, low temperature ductility and processability can be achieved.

Abstract: Disclosed are thermoplastic elastomeric compositions include: A) from 10 to 80% by weight of one or more crystalline polymer of propylene containing from 0.05 to 15% in moles of ethylenic unsaturation, or a mixture of the above polymer with a saturated thermoplastic olefin polymer in quantities lower than or equal to 80% by weight; B) from 20 to 90% by weight of an unsaturated elastomeric olefin polymer; the compositions having been dynamically cross-linked with a cross-linking agent which includes a free radical generator.

Abstract: Adhesive composition, including a mixture of about 1 percent to about 35 percent by weight of chlorinated polymer, about 1 percent to about 35 percent by weight of a nitrile elastomer, a rubber-modified acrylonitrile copolymer, or mixtures thereof, and about 25 percent to about 90 percent by weight of an alkyl acrylate or methacrylate monomer.

Abstract: Pre-formed polymer particles are chemically modified by free radical-initiated surface graft modification. The resulting resin is specifically adapted to provide enhanced chromatographic performance throughout chromatographic separations.

Abstract: The present invention is directed to improved polybutadiene compositions suitable for use in molded golf ball core construction. The improved polyubutadiene compositions are composed of polypropylene powder resins which have the effect of increasing the hardness of the resulting molded cores without increasing the weight upon curing, thereby allowing for a reduction in the amount of crosslinking agents utilised and increasing the amount of fillers incorporated therein. The addition of the polypropylene powder resins to the core compositions lowers the cost of the molded core, while maintaining the proper weight and compression. The present invention is also directed to golf balls produced utilizing the improved core compositions. Furthermore, the invention is directed to a method for reducing the amount of crosslinking agents utilized to formulate a core composition through the incorporation of polypropylene powder resins.

Abstract: A low compression, resilient golf ball having a center including a material formed from the conversion reaction of sufficient amounts of polybutadiene, a free radical source, and a cis-to-trans catalyst to convert a portion of cis-isomer to trans-isomer in the polybutadiene, wherein said material has an amount of trans-isomer greater than the amount of trans-isomer present before the conversion reaction, and wherein the reaction product is susbstantially free of antioxidant.

Abstract: Additive compositions comprising:

Abstract: This invention describes grafted blend compositions, processes for their preparation and fabricated articles, especially foams therefrom. The blends exhibit enhanced melt strength, melt elongation greater than or equal to about 20 mm/s, increased upper service temperature, increased modulus, and increased hardness. The grafted blend compositions have little or no high shear viscosity increase over a corresponding polymer of the same chemical composition absent the coupling agent.

Abstract: What is described is a polymeric hydrogel of a polymeric anhydride or acid, e.g. maleic anhydride or maleic acid polymer, or copolymer thereof, crosslinked with a crosslinking agent containing at least 2 crosslinkable groups, particularly, —OH or —NH2, or both. The reaction product is a crosslinked polymeric ester or amide/imide, or both, suitably having a mole ratio of —OH, or —NH2, to —COOH, of 1:10 to 10:1, preferably 2:10 to 7:1. The hydrogel is particularly swellable in water, e.g. >100% in 1 hour in aqueous media; and forms a thin, tacky layer on a substrate, which property is useful in bioadhesive products.

Abstract: A multi-layer golf ball and methods for preparing a portion thereof including a core having at least one core layer, a mantle having at least one layer including an amount of reinforcing polymer component and a resilient polymer component disposed concentrically adjacent the core, and at least one cover layer disposed concentrically adjacent the mantle, wherein the layer of the mantle is sufficiently rigid to inhibit the resilient polymer component from substantially altering shape prior to crosslinking. The invention also includes an elastomeric composition including a polybutadiene having a high molecular weight average and a predominantly 1,4-cis content, a free-radical initiator, and a reinforcing polymer component having a sufficiently low viscosity at a mixing temperature to permit substantially uniform dispersion of the polymer component with the polybutadiene and having a crystalline melting point sufficiently low to permit mixing while avoiding substantial crosslinking.

Abstract: Polymer composition comprising (A) (co)polymers based on chlorotrifluoroethylene (PCTFE) and (B) copolymers based on ethylene/chlorotrifluoroethylene (ECTFE) and/or ethylene/tetrafluoroethylene (ETFE).

Abstract: The invention provides for a process of making a compatibilized blend composition produced by mixing general purpose rubbers (GPR), selected from natural rubber, polyisoprene, polybutadiene, nitrile rubber, poly(styrene-co-butadiene) and poly(acrylonitrile-co-butadiene), a copolymer of isobutylene and methyl styrene, and a multifunctional agent. The compatibilized blend composition may also be cured.

Abstract: Porous polyolefins are especially efficiently free-radically grafted using (fluorinated alkyl)olefins, vinylsilanes or certain carboxylic acids or their esters as the grafting molecules. The use of a solvent to swell the porous polyolefin is sometimes advantageous.

Abstract: The present invention provides a block polymer comprising a polyolefin and a hydrophilic polymer, being finely dispersed in resins, in particular polyolefins, without requiring any compatibilizer, and giving thermoplastic resin compositions, said compositions giving moldings having permanent antistatic properties at low block polymer addition levels even when they are produced by a method involving no shearing and having excellent mechanical strength as well as having an excellent compatibility so as to avoid molding or roll pollution at their formation.

Abstract: A fluororesin heated at a temperature at or above the melting point of the resin is exposed in an inert gas atmosphere having an oxygen concentration of not more than 10 Torr to an ionizing radiation at a radiation dose of 0.1 kGy to 10 MGy to prepare a crosslinked fluororesin. The crosslinked fluororesin is exposed to an ionizing radiation at a radiation dose of 10 kGy to 5 MGy, and is then brought into contact with a functional group-containing organic compound to cause a graft reaction. By virtue of this constitution, a modified fluororesin is provided which has satisfactory mechanical strength and, at the same time, has, imparted thereto, for example, ion-exchange capacity, hydrophilicity, adhesive property, or abrasion resistance.

Abstract: A modified polyolefin resin composition according to the present invention comprises a polyolefin resin modified with an unsaturated carboxylic acid and is suitable for imparting a good adhension property.

Abstract: A process for producing a microgel composition particles having a core of cross-linked polymer at a multiplicity of polymeric arms appended to the core, the process comprising reacting a living prepolymer component with a monomer component wherein the monomer component includes a multi-olefininc monomer.

Abstract: Composition which can be crosslinked under the effect of an ionizing radiation comprising a thermoplastic copolymer of vinylidene fluoride and of chlorotrifluoroethylene and an effective amount of a crosslinking promoter, such as a triallyl cyanurate or triallyl isocyanurate.

Abstract: Interpolymer of a polymer of unsaturated olefinically monomers without carboxylic groups and a polymeric surface active agent.

Abstract: Crosslinked fine particles having a Tg of 100° C. or higher and an amount of remaining double bonds of 0.01 mmol/g or more, which are obtainable by polymerizing a compound (a1) having one or two radical-polymerizable ethylenic unsaturated groups in the molecule and a compound (a2) having three or more (meth)acryloyl groups in the molecule.

Abstract: In the present invention, the polymer composition is produced by polymerizing an anionically or cationically polymerizable monomer in the presence of a highly syndiotactic styrenic polymer and optionally a rubber-like polymer. The polymer composition thus obtained is improved in its solvent resistance without using any particular compatibilizer and has a good moldability.

Abstract: A thermoplastic vulcanizate prepared by dynamically vulcanizing a rubber within a blend that comprises the rubber, a fluorine containing thermoplastic, and a vulcanizing agent; wherein the rubber is selected from nitrile rubber, hydrogenated nitrile rubber, amino-functionalized nitrile rubber, acrylonitrile-isoprene rubber, and mixtures thereof.

Abstract: The invention relates to thermoplastic polyolefin compositions having enhanced surface durability and products thereof which include a thermoplastic polyolefin base component at least one radiation-crosslinkable component present in an amount sufficient to enhance the surface durability of the thermoplastic polyolefin component when radiation-cured and at least one photoinitiator present in an amount sufficient to initiate crosslinking of the radiation-crosslinkable component upon exposure of the thermoplastic polyolefin composition to radiation.

Abstract: An elastomer composition obtained by crosslinking 1-99 parts by weight of a crosslinkable rubber-like polymer (A) and 1-99 parts by weight of a polypropylene resin (B) [the total amount of (A) and (B) being 100 parts by weight], where (B) is a crosslinking type polypropylene resin, has a flexural modulus of 100-10000 kgf/cm2 as specified in JIS K6758 and has a melting point peak in the range of 100-150° C. in differential scanning calorimetry (DSC), the melting point peak calorie being in the range of 10-600 J/g, especially the above elastomer composition wherein (A) has a crosslinking degree of 1-95% and a swelling degree of 3-100.

Abstract: A method and apparatus are disclosed for transferring data between computers over a network such as the internet or an intranet and is particularly useful for updating web pages with information particularly while being viewed by a user. The method and apparatus disclosed help to reduce the amount of data that is required to be downloaded between the server and client computers and also helps to reduce the flicker which can be experience when internet page data is refreshed.

Abstract: The invention relates to a process for preparing an impact-modified plastic based on grafted crosslinked rubber particles, and also to an impact-modified plastic obtainable by the process. To prepare the impact-modified plastic, (a) particles of a crosslinked rubber are produced from a first monomer mixture which has a content of at least 50% by weight, preferably at least 90% by weight, particularly preferably at least 98% by weight, of diene compounds. The particles of the crosslinked rubber are (b) grafted with a second monomer or monomer mixture, with formation of a graft shell. Particles of the grafted crosslinked rubber are (c) added to a third monomer mixture, and the monomers of the third monomer mixture (d) are polymerized, with formation of a matrix. The process of the invention is simple to carry out and gives impact-modified plastics with very good mechanical properties.

Abstract: The present invention is directed to improved polybutadiene compositions suitable for use in molded golf ball core construction. The improved polybutadiene compositions are composed of at least two certain types of polybutadiene, which has the effect of increasing the resiliency of the resulting molded cores and greatly facilitates processing of the compositions and forming the cores. Also disclosed are improved golf ball cores, and balls utilizing such cores, formed from particular ultra high Mooney viscosity polybutadiene.

Abstract: A multi-layer golf ball and methods for preparing a portion thereof including a core having at least one core layer, a mantle having at least one layer including an amount of reinforcing polymer component and a resilient polymer component disposed concentrically adjacent the core, and at least one cover layer disposed concentrically adjacent the mantle, wherein the layer of the mantle is sufficiently rigid to inhibit the resilient polymer component from substantially altering shape prior to crosslinking. The invention also includes an elastomeric composition including a polybutadiene having a high molecular weight average and a predominantly 1,4-cis content, a free-radical initiator, and a reinforcing polymer component having a sufficiently low viscosity at a mixing temperature to permit substantially uniform dispersion of the polymer component with the polybutadiene and having a crystalline melting point sufficiently low to permit mixing while avoiding substantial crosslinking.

Abstract: The invention relates to thermoplastic polyolefin compositions having enhanced surface durability and products thereof which include a thermoplastic polyolefin base component at least one radiation-crosslinkable component present in an amount sufficient to enhance the surface durability of the thermoplastic polyolefin component when radiation-cured and at least one photoinitiator present in an amount sufficient to initiate crosslinking of the radiation-crosslinkable component upon exposure of the thermoplastic polyolefin composition to radiation.

Abstract: The present invention provides a one-piece golf ball having good durability, good shot feel and excellent flight performance. The present invention relates to a one-piece golf ball formed by vulcanizing and press molding a rubber composition comprising a base rubber, co-crosslinking agent, organic peroxide and inorganic filler, wherein the base rubber comprises (1) polybutadiene (A) having a weight average molecular weight (Mw) of 55×104 to 69×104 and a number average molecular weight (Mn) of 10×104 to 20×104, and (2) polybutadiene (B) having a weight average molecular weight (Mw) of 70×104 to 120×104 and a number average molecular weight (Mn) of 13×104 to 25×104, in a weight ratio (A/B) of 3/97 to 70/30.

Abstract: The invention provides thermoplastic molding compositions of the ABS type containing highly effective graft rubber components obtained by emulsion polymerization while using a special initiator system and maintaining defined reaction conditions.

Abstract: The present invention relates to a resin material for an electrical insulating material, an electrical insulating material and electric wire and cable using the same. A resin material for an electrical insulating material according to present invention is characterized in that the resin component thereof comprises an ethylene &agr;-olefin copolymer (A) which satisfies specific conditions, such as a density of 0.92˜0.96 g/cm3, a melt flow rate (MFR) of 0.01˜200 g/10 minutes, a molecular weight distribution (Mw/Mn) of 1.5˜5.0, and possessing only one peak in terms of the number of peaks observed in an elution temperature-eluted amount curve as measured by the temperature raising elution fractionation (TREF) method, etc.

Abstract: Disclosed are compositions and processes for preparing polymeric materials having polymerizable units derived from at least one C8 to C30 alkyl (meth)acrylate monomer, and at least one chain branching unit. The presence of the chain branching unit suprisingly results in the polymeric composition having non-gelled polymer chains. The polymeric compositions are useful as additives for improving the melt strength of thermoplastic resins.

Abstract: The invention relates to a mixture which is useful as a coextrusion binder, comprising: at least (A) one polyethylene or one ethylene copolymer, at least (B) chosen from (B1) polypropylene or a propylene copolymer, (B2) poly(1-butene) homo- or copolymer, and (B3) polystyrene homo- or copolymer, the mixture of (A) and (B) being grafted with a functional monomer, this grafted mixture itself optionally being diluted in at least one polyolefin (C) or in at least one polymer (D) of elastomeric nature or in a mixture of (C) and (D). The invention also relates to polyolefin/binder/polyamide, EVOH, polyester or metal structures. The invention is useful for making packaging.

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: Composition which can be crosslinked under the effect of an ionizing radiation comprising a thermoplastic copolymer of vinylidene fluoride and of chlorotrifluoroethylene and an effective amount of a crosslinking promoter, such as a triallyl cyanurate or triallyl isocyanurate. Process for the crosslinking by irradiation of the crosslinkable composition under air by means of an ionizing radiation, such as &bgr;-radiation, at a dose of 10 to 100 kGray. Crosslinkable and crosslinked shaped articles, such as sheaths for electrical cables and pipes for oil products.

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: Disclosed are compositions and processes for preparing polymeric materials having polymerizable units derived from at least one C8 to C30 alkyl (meth)acrylate monomer, and at least one chain branching unit. The presence of the chain branching unit suprisingly results in the polymeric composition having non-gelled polymer chains. The polymeric compositions are useful as additives for improving the melt strength of thermoplastic resins.

Abstract: The modified polypropylene composition of the invention comprises (A) modified polypropylene having been partially or wholly graft modified with an unsaturated carboxylic acid or its derivative, (B) an amorphous or low-crystalline ethylene/&agr;-olefin copolymer having a specific MFR and a specific density and (C) a styrene elastomer, in a specific ratio. The component (A) is a graft modification product of a propylene homopolymer and/or a graft modification product of a propylene/&agr;-olefin random copolymer. The laminate of the invention comprises a composition layer comprising the modified polypropylene composition and a resin layer provided on one or both surfaces of the composition layer.

Abstract: A resin composition contains (a) 40-90 parts by weight of a block copolymer of polypropylene segments and ethylene-propylene copolymer segments which is modified with an acid anhydride, in which the polypropylene segment content is in the range 5 to 50 wt %, (b) 60-10 parts by weight of a styrene-based polymeric elastomer, or a styrene-based elastomer modified with an acid anhydride, and (c) 30-200 parts by weight of a metal hydroxide per 100 parts by weight of (a) and (b). This wear resistant halogen-free resin composition has high mechanical strength and flexibility and is suitable for extruding as an electrical wire covering for example for a wire used in an automobile.

Abstract: Hot-pumpable, heat-curing compositions based on solid ethylene/vinyl acetate copolymers and liquid reactive plasticizers containing olefinically unsaturated double bonds and at least one peroxidic crosslinking agent are suitable as sealing compounds for sealing fine and rough seams in vehicle manufacture. By adding expanding agents, the compositions may be used as lining adhesives. The preferred applications are at the white-shell stage of car manufacture.

Abstract: Pressure sensitive adhesives are provided which possess high load bearing capabilities at elevated temperatures. The adhesives are prepared by polymerization of a syrup polymer composition having a first solute polymer having reactive, pendant functional groups, a second component having co-reactive functional groups, and a monomer mixture. The syrup polymer contains reactive electrophilic or nucleophilic functional groups that can subsequently crosslink by reaction with a second component having co-reactive functional groups.

Abstract: A contact printable adhesive composition comprises (a) swellable, elastomeric microspheres and (b) at least one polymerizable monomer or a mixture of polymerizable monomers capable of swelling the microspheres. As used in this application “contact printable adhesive composition” is a composition that can be used in a contact printing process and then cured. The cured contact printable adhesive composition will generally be referred to as “contact printed adhesive”.

Abstract: The invention provides a process for the preparation of a thermoplastic elastomeric resin composition comprising melt kneading (a) 100 parts by weight of a block copolymer consisting of at least two polymeric blocks (A) composed mainly of a vinyl aromatic compound and at least one polymeric block (B) composed mainly of a conjugated diene compound, and/or a hydrogenated block copolymer obtained by hydrogenating said block copolymer, (b) 40 to 240 parts by weight of a non-aromatic softening agent for rubber, (c) 5 to 300 parts by weight of polyethylene or a copolymer composed mainly of ethylene, and (d) 5 to 60 parts by weight of polypropylene or a copolymer composed mainly of propylene, characterized in that the process comprises the following steps: (I) melt kneading the whole amounts of components (a), (b) and (d) and a part of component (c), and, at the same time or subsequently, melt kneading these with (f) an organic peroxide, and (II) melt kneading the product obtained from step (I) with the remai

Abstract: The invention concerns a dispersion powder composition which is redispersible in water and is made from water-insoluble organic polymers, the composition being characterized in that it contains 0.1 to 30% by wt., relative to the weight of the organic polymers, of one or more silicon compounds which are dispersible in water and which have a boiling point at normal pressure of 160 degrees C., selected from the group comprising the silanes, polysilanes, oligosiloxanes, carbosilanes, polycarbosilanes, carbosiloxanes, polycarbosiloxanes and polysilylenedisiloxanes. The invention also concerns methods for manufacturing such compounds and their use.

Abstract: A thermoplastic elastomer composition comprising 100 parts by weight of a polyolefin resin, 5 to 250 parts by weight of a rubbery polymer and 0 to 500 parts by weight of an ethylene-&agr;-olefin copolymer rubber, wherein a complex dynamic viscosity &eegr;*(1) at 250° C. is 1.5×105 poise or less and a Newtonian viscosity index n is 0.67 or less, and furthermore, wherein said thermoplastic elastomer composition has a specific tan &dgr; peak, the peak temperature of which is different from that of the polyolefin resin and that of the rubbery polymer, at a temperature within the range from −70 to 30° C. in a temperature dependence curve of tan &dgr; determined by solid dynamic viscoelasticity measurement, powder or pellet thereof, and a molded article thereof.

Abstract: The invention relates to a process for preparing an impact-modified plastic, where particles of a crosslinked rubber are produced from a first monomer mixture which has at least 50% by weight of conjugated diene compounds, the rubber particles are added to a second monomer mixture which has at least 85% by weight, preferably at least 90% by weight, in particular at least 98% by weight, of styrene, and the monomers of the second monomer mixture are polymerized. This process can prepare novel and improved impact-modified plastics. Novel impact-modified plastics are also described.