Abstract: A novel composition is disclosed comprising about 80 to about 99 weight percent based on the composition, of a linear ultra low density polyethylene (LULDPE) and about 1 to about 20 weight percent of a propylene polymer comprising 0 to about 40 weight percent olefin comonomer units having 2 to 10 carbon atoms and from about 60 to about 100 weight percent propylene, based on the propylene polymer, the propylene polymer having a Brookfield Thermosel viscosity of about 1 to about 30,000 mpa·s at 190° C. and a needle penetration of about 5 to about 300 dmm at 23° C. Also disclosed are films produced from the composition, both blown and cast, and both monolayer and multilayer. Also disclosed are processes for stretch wrapping and forming blown and cast film.

Abstract: A dispersant is prepared from an amine and a hydrocarbyl-substituted acylating agent, wherein the hydrocarbyl substituent is a polymerized olefin having a polydispersity {overscore (M)}w/{overscore (M)}n of greater than 5. Such polyolefin substituents are prepared by polymerization of olefins in the presence of a calcined catalyst comprising a partially or fully neutralized ammonium salt of a heteropolyacid.

Abstract: A molded or formed product obtained by molding or forming a resin composition comprising (A) at least one vinyl cyclic hydrocarbon polymer selected from the group consisting of hydrogenated products of aromatic vinyl polymers, vinylcyclohexene polymers or hydrogenated products thereof, and vinylcyclohexane polymers, and (B) at least one substance selected from the group consisting of compounding additives incompatible with the polymer, organic compounds having at least one alcoholic hydroxyl group and at least one ether linkage, and organic compounds having at least one alcoholic hydroxyl group and at least one ester linkage, wherein the initial light transmittance (a) of the molded or formed product at an optional wavelength within a range of 400 to 800 nm and the light transmittance (b) of the molded or formed product after the molded or formed product is held for 1,000 hours in an atmosphere of 65° C.

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 relates to a polypropylene resin composition for automobile interior covering materials capable of calender molding and high frequency welding. More particularly, the present invention relates to the polypropylene resin composition capable of calender molding and high frequency welding, which the same comprises a reactor-type polypropylene resin with excellent melt tension, an ethylene-vinyl acetate copolymer having polarity, an ethylene-glycidyl methacrylate-methyl acrylate terpolymer and a phthalate and thus useful for the automobile interior covering materials.

Abstract: A molded or formed product obtained by molding or forming a resin composition comprising (A) at least one vinyl cyclic hydrocarbon polymer selected from the group consisting of hydrogenated products of aromatic vinyl polymers, vinylcyclohexene polymers or hydrogenated products thereof, and vinylcyclohexane polymers, and (B) at least one substance selected from the group consisting of compounding additives incompatible with the polymer, organic compounds having at least one alcoholic hydroxyl group and at least one ether linkage, and organic compounds having at least one alcoholic hydroxyl group and at least one ester linkage, wherein the initial light transmittance (a) of the molded or formed product at an optional wavelength within a range of 400 to 800 nm and the light transmittance (b) of the molded or formed product after the molded or formed product is held for 1,000 hours in an atmosphere of 65° C.

Abstract: A package comprised of at least one compounding ingredient for unvulcanized rubber contained in a very thin, low softening point film having a relatively high resistance to tear (Elmendorff MD tear values, in a range of about 215 to about 350 grams and TD tear value in a range of about 350 to about 630 grams, at about 23° C.) comprised of an ultra low density polyethylene which is required to contain calcium carbonate. The invention also relates to compounding rubber with such a package and to rubber compositions prepared thereby. The invention further relates to rubber products of such rubber compositions including tires with components thereof, particularly tire treads, as well as industrial products such as hoses and belts.

Abstract: This invention relates to a propylene series resin sheet that has a large tan &dgr; and high frequency welding characteristics, excellent transparency, low-temperature impact resistance, and surface durability. The propylene series resin sheet is characterized by a mixture of a polypropylene series composition with a weight percentage of 50-99% and an ethylene series copolymer with a weight percentage of 1-50%.

Abstract: A thermoplastic elastomer composition produced from a thermoplastic resin and rubber and having a dispersion phase formed of a rubber composition at least part of which is dynamically crosslinked in the continuous phase of the thermoplastic resin, insulating glass using the thermoplastic elastomer composition as a sealing material and spacer, a process for producing the insulating glass using a sealing material made from the thermoplastic elastomer composition, comprising the steps of inserting the leading end of a charging nozzle into a space between the peripheral portions of a plurality of glass sheets, discharging the sealing material from the leading end of the nozzle body at a predetermined rate, and moving the glass sheets or the nozzle body relative to each other to charge the sealing material made from the thermoplastic elastomer composition into the space between the peripheral portions of the glass sheets, and a nozzle used in this process.

Abstract: A liquid ebonite mixture for coating includes two reactive components. The first component contains first unsaturated polymers having first functional groups capable of reaction at ambient condition either with or without a catalyst, a vulcanization agent, and a vulcanization activator. The second component contains second unsaturated polymers having second functional groups that will react with the first functional groups at ambient temperature. The first and the second unsaturated polymers must contain sufficient unsaturated backbones to allow vulcanization with the vulcanization agent. In addition, the second unsaturated polymers must be thermodynamically compatible with the first unsaturated polymers so that macroscopic phase separation will not occur and the vulcanization can happen homogeneously through out the coating.

Abstract: Styrene copolymer compositions, especially ASA compositions, exhibit improved weatherability and color retention performance when processed according to the invention. Disclosed herein is a method of improving the weatherability and color retention performance of styrene copolymer compositions and exterior siding incorporating such styrene copolymer compositions. More specifically, a method is disclosed comprising improving the weatherability and color retention of styrene copolymer compositions, especially ASA compositions, which is advantageous with respect to cost and ease of manufacturing. Composite articles are also disclosed incorporating the foregoing improved styrene copolymer compositions as an exterior layer.

Abstract: The present invention relates generally to compositions prepared by polymerizing vinyl neo C9-C13 carboxylic acid esters. Such compositions include latex compositions that are formed by polymerizing vinyl neo C9-C13 carboxylic acid esters with ethylenically unsaturated comonomers such as acrylic acid esters and vinyl acetate. The polymer compositions of the present invention are particularly suitable for use in applications such as architectural (both interior and exterior), direct-to-metal and marine coatings and transportation maintenance applications.

Abstract: A composition, comprising, in a physiologically acceptable medium, at least one polymer with a highly specific ordered structure is disclosed. These compositions find a specific application in the field of caring for or making up keratinous fibres, in particular as a mascara composition for the eyelashes or for the hair.

Abstract: There is provided an olefin-based resin composition which may be applied to the coatings of electrical cables used in automobiles. The coatings have neatly balanced properties to satisfy product requirements, such as wear and flame resistance, tensile strength, flexibility, and heat and freeze resistance. The olefin-based resin composition includes: (i) a polymeric material in an amount of 100 parts by weight which includes: (a) about 50 to 95 parts by weight of propylene polymer portion including at least one propylene polymer having a melt flow rate of up to about 5 g/10 min; (b) about 1 to 20 parts by weight of at least one polyolefin, a proportion of about 0.

Abstract: A process for controlling the surface gloss of a molded composition of: (a) a polyvinyl chloride resin and (b) a graft copolymer comprising a discontinuous poly(alkyl(meth)acrylate) rubber phase and a rigid thermoplastic phase, wherein at least a portion of rigid thermoplastic phase is chemically grafted to the poly(alkyl(meth)acrylate) rubber phase, by regulating the cross-link density and thus the swell index of the rubber phase in the graft copolymer to at least about 8 to vary the surface gloss after extrusion.

Abstract: The resin composition contains (a) 30-80 parts by weight of a polyolefin thermoplastic elastomer, (b) 1-2 parts by weight of a polypropylene modified with 0.1-10% by weight of an acid anhydride, (c) 5-50 parts by weight of a styrene-based polymeric elastomer, and (d) 10-30 parts by weight of a propylene polymer having a melt flow rate of 0.1-5 g/10 min, the total of the components (a), (b), (c) and (d) being 100 parts by weight, and (e) 30-200 parts by weight of a metal hydroxide. Optionally a silicone oil is included. This halogen-free olefin-based resin composition has a good balance of properties such as wear resistance, flame resistance, tensile property and flexibility, which are required for the covering material of an electrical wire for an automobile.

Abstract: The present invention provides a thermoplastic elastomer composition comprising a high-molecular-weight thermoplastic elastomer, a low-molecular-weight thermoplastic elastomer affinitive for the high-molecular-weight thermoplastic elastomer, and a rubber component. The ratio of the number-average molecular weight (Mn1) of the high-molecular-weight thermoplastic elastomer to the number-average molecular weight (Mn2) of the low-molecular-weight thermoplastic elastomer is not less than 1.2 nor more than 500. The rubber is dynamically cross-linked and dispersed in the thermoplastic elastomers.

Abstract: Object of the present invention is an extrudable blend comprising (i) a copolymer of ethylene and acrylic acid or methacrylic acid (ii) a modified EVA copolymer and (iii) a polybutylene. Included are the films comprising said blend in the sealant layer or in a layer directly adhered to the sealant layer, and the easy-to-open packages obtained therefrom.

Abstract: The present invention provides a multiple layer thermoplastic structure of a (1) skin layer selected from the group consisting of polypropylene, ethylene homopolymers having a density of from about 0.930 g/cc to about 0.960 g/cc, and ethylene homopolymers having a density of from about 0.930 g/cc to about 0.960 g/cc blended with an ethylene and a-olefin copolymers having a density less than about 0.930 g/cc, the skin layer having a thickness of greater than about 3.0 mils; (2) a radio frequency susceptible layer adhered to the skin layer, the radio frequency susceptible layer having a dielectric loss greater than 0.05 at 1-60 MHz and at temperatures of ambient to 250° C.

Abstract: A thermoplastic resin composition comprising 40 to 95 parts by weight of (a) a saponified ethylene-vinyl acetate copolymer resin and 60 to 5 parts by weight of (b) at least one selected from the group consisting of copolymers of a vinyl aromatic compound with a conjugated diene compound, and hydrogenated derivatives thereof, characterized in that the saponified ethylene-vinyl acetate copolymer resin (a) has an ethylene content of 40 to 95 wt % based on a weight of the saponified ethylene-vinyl acetate copolymer resin and a degree of saponification of the vinyl acetate of at least 80 wt % and (b)at least one selected from the group consisting of copolymers of a vinyl aromatic compound with a conjugated diene compound is selected from the group consisting of (b-1) block copolymers of a vinyl aromatic compound with a conjugated diene compound, and hydrogenated derivatives thereof and (b-2) hydrogenated random copolymers of a vinyl aromatic compound with a conjugated diene compound, the copolymers having a

Abstract: Phase change (hot melt) ink compositions for use in a phase change (hot melt) ink jet recording device in which recording is conducted by thermally melting the ink at a temperature above ambient temperature (20° C.

Abstract: A moisture-crosslinkable polypropylene material, comprising silane-grafted polyolefin or olefin-silane copolymer and non silane-modified polypropylene homopolymer or copolymer; and coatings or insulations, including heat-shrinkable coatings and insulations, prepared therefrom. The coating material is formed by a process comprising: (a) reacting polyolefin with a silane in the presence of a free-radical initiator to form a silane-grafted polyolefin, or copolymerizing a polyolefin with silane; (b) preparing a mixture of the silane-modified polyolefin prepared in (a) with polypropylene homopolymer or copolymer, and a silanol condensation catalyst; (c) forming the coating or insulating material by melt processing the mixture formed in step (b); and (d) crosslinking the coating or insulating material by exposing it to moisture, preferably at an elevated temperature.

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: Disclosed is a composite pressure-sensitive adhesive comprising from about 95 to about 5 parts by weight of an acrylic pressure-sensitive adhesive; from about 5 to about 95 parts by weight of an at least partially soluble (in a solvent) polymer, and a compatibilizer present in the composite pressure-sensitive adhesive in an amount greater than 0 to about 10 parts by weight of the composite pressure-sensitive adhesive. The polymer is selected from the group consisting of a butadiene-containing polymer, an isoprene-containing polymer, a saturated olefin-containing polymer, and a styrene-containing polymer.

Abstract: Described are a thermoplastic resin composition containing (A): one or more rubber reinforced thermoplastic resins, (B): one or more acrylic resins and (C): one or more thermoplastic norbornene resins, and further containing (D): one or more styrenic resins other than (A) and (E): coloring agents as needed, and a shaped article obtained by forming the composition. Described thermoplastic resin composition is excellent in heat resistance, strength and processability, and excellent in laser marking properties, so that it is useful for various applications.

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 wet-skin adhesive includes a pressure-sensitive adhesive component that includes at least one monoethylenically unsaturated (meth)acrylic acid ester comprising an alkyl group having at least 4 carbons on average and at least one monoethylenically unsaturated reinforcing monomer; and a film-forming component that includes at least one monoethylenically unsaturated (meth)acrylic acid ester comprising an alkyl group having less than 4 carbons on average and at least one hydrophilic acidic monomer, wherein the wet-stick pressure-sensitive adhesive has an initial wet skin adhesion of at least about 0.8 N/dm. Advantageously, the wet-stick adhesive has an initial wet skin adhesion that is at least about 65% of an initial dry skin adhesion.

Abstract: This invention relates to a low-density polyethylene composition useful for coating polar substrates. This invention particularly relates to a low-density polyethylene composition useful for coating metal foils, wherein the composition comprises an ethylene/(meth)acrylic acid copolymer having a low acid content.

Abstract: A method for making rotationally molded objects using resin blends. The resin blend comprises resin pellets and an amount of ground resin particles sufficient to yield rotomolded objects having desirable impact strength and other strength characteristics. Preferably, the resin blend comprises of from about 20% to about 30% by weight of ground resin particles. In addition, resin blends can be used to produce colored objects by rotational molding techniques.

Abstract: A clear and printable polypropylene film is disclosed. The film is prepared from a blend of a polypropylene and an ethylene/alkyl acrylate copolymer. It has an excellent adhesion with commonly used inks without surface treatment.

Abstract: A method for producing a rubber composition crosslinked to a crosslinking degree of 50% or higher by mixing a crosslinkable rubber (A) and a thermoplastic resin (B) and crosslinking the mixture with a crosslinking agent (C), wherein the crosslinking agent (C) is divided and added in parts to sequentially carry out the crosslinking in which the crosslinking is carried out to a crosslinking degree of 5-45% by the first addition of the crosslinking agent (C) and furthermore the crosslinking is carried out to a crosslinking degree of 50% or higher by further addition of the crosslinking agent (C).

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 present invention is directed to ion-sensitive, water-dispersible polymers. The present invention is also directed to a method of making ion-sensitive, water-dispersible polymers and their applicability as binder compositions. The present invention is further directed to fiber-containing fabrics and webs comprising ion-sensitive, water-dispersible binder compositions and their applicability in water-dispersible personal care products.

Abstract: A polymeric roofing shingle composition is shown which includes (a) a rubber component present in the range from about 10-95% by weight, based on the total weight of the composition and (b) a polyolefin component present in the range from about 5-50% by weight, based on the total weight of the composition. A SBR/EVA closed cell rubber composition can be formulated which has a weight of less than 150 pounds per roofing square for ⅛ inch thickness and which is flame retardant at thicknesses of ⅛ inch and higher without the addition of separate flame retardant components.

Abstract: The present invention is directed to a low gloss crosslinkable coating composition that produces a low gloss coating upon cure. The crosslinkable composition includes a binder component and a crosslinking agent. The binder component includes a combination of at least two partially compatible crosslinkable components retained in an evaporable medium, such that the low gloss coating exhibits a 60° specular gloss that is at least 5% lower than gloss of coatings from coating compositions containing any one of the crosslinkable components. The low gloss coating composition of the present invention is especially suited for OEM and refinish automotive coating applications, such as automotive fenders and automotive side boards, typically used in sport utility vehicles.

Abstract: A dispersant is prepared from an amine and a hydrocarbyl-substituted acylating agent, wherein the hydrocarbyl substituent is a polymerized olefin having a polydispersity {overscore (M)}w/{overscore (M)}n of greater than 5. Such polyolefin substituents are prepared by polymerization of olefins in the presence of a calcined catalyst comprising a partially or fully neutralized ammonium salt of a heteropolyacid.

Abstract: A synthetic resin powder having improved powder characteristics such as granulation property and blocking resistance, which is obtained by coagulating a latex of an MBS resin satisfying the following relational equations (1) and (2): −1.5x+140≦y≦−1.65x+180  (1) 55≦x≦70  (2) wherein x is a butadiene content (% by weight) in the MBS resin, and y is a Vicat softening point (°C.) of the MBS resin, adding 0.1 to 10 parts by weight of a hard polymer per 100 parts by weight of the MBS resin in the state of latex or coagulated slurry to the resulting slurry of MBS resin, and recovering a powder from the resulting mixture. The resin powder is useful as an impact modifier for vinyl chloride resins and can impart an excellent impact resistance without impairing the transparency of vinyl chloride resins.

Abstract: A composition suitable for thermoforming which demonstrates good grain retention at thin gauges, low gloss and whose cost is competitive for many applications, particularly in the automotive industry, is described. This composition contains (a) 10-35 wt. % of polypropylene or an ethylene/propylene copolymer, (b) 0-30 wt. % uncrosslinked ethylene propylene copolymer rubber having an ethylene content 60-80 wt. %, (c) 10-25 wt. % of an ionomeric copolymer of ethylene and an &agr;, &bgr;-unsaturated C3-C8 carboxylic acid, (d) 2-6 wt. % of a copolymer of ethylene and glycidyl acrylate or glycidyl methacrylate, (e) 5-20 wt. % polyethylene, and (f) 0-25 wt. % of an ethylene alpha-olefin copolymer elastomer.

Abstract: A rubber-modified styrene type polymer comprising from 1 to 15 parts by weight of a dispersed phase made of a rubber-like elastic material and from 99 to 85 parts by weight of a continuous phase made of a polymer comprising from 35 to 75 wt % of styrene type monomer units and from 65 to 25 wt % of (meth)acrylate type monomer units, wherein the rubber-like elastic material is a styrene (30 to 50 wt %)-butadiene (70 to 50 wt %) block copolymer, the weight average molecular weight (Mw) of the polystyrene portions of this block copolymer is from 45,000 to 75,000, and the ratio (Mw/Mn) of Mw to the number-average molecular weight (Mn) is from 1.20 to 1.80.

Abstract: A homogeneous powder mainly consisting of an elastic material, such as vulcanised rubber, is produced by first forming a composite body of larger particles of the elastic material, bound together by a thermoplastic material. The composite body is then subjected to mechanical treatment, e.g. grinding, producing a homogeneous powder having a particle size of less than 1.5 mm and consisting of up to about 80% by weigh of vulcanised rubber.

Abstract: A thermoplastic rubber composition prepared by crosslinking 1-99 parts by weight of a crosslinkable rubbery polymer (A) and 1-99 parts by weight of a polypropylene resin (B) (total amount of (A) and (B) being 100 parts by weight), wherein said (B) comprises a polypropylene resin (B-1) characterized by generation of a torque higher than Mo after melting and a polypropylene resin (B-2) characterized by generation of a torque not higher than Mo after melting, in a melting test of said (B) in the presence of an organic peroxide (temperature condition being at 200° C.), and Mo being a torque right after complete melting.

Abstract: An elastomeric blend prepared by the steps comprising: dynamically vulcanizing a dynamically-vulcanizable elastomer within a mixture that comprises the dynamically-vulcanizable elastomer, a hydrogenated acrylonitrile-butadiene copolymer, and a vulcanizing agent that is specific for the dynamically-vulcanizable elastomer during dynamic vulcanization. Also, a vulcanizate prepared by the steps comprising: dynamically vulcanizing a dynamically-vulcanizable elastomer within a mixture that comprises the dynamically-vulcanizable elastomer, a hydrogenated acrylonitrile-butadiene copolymer, and a vulcanizing agent that is specific to the dynamically-vulcanizable elastomer during dynamic vulcanization, and effecting vulcanization of the hydrogenated acrylonitrile-butadiene copolymer.

Abstract: A copolymer containing at least two acrylic copolymers having a specific range of glass transition temperatures is disclosed. The copolymer provides a film having excellent physical properties. The process for forming the copolymer is also disclosed.

Abstract: Fluoropolymers comprising a fluoroelastomer matrix incorporating therein particles of a semicrystalline fluoropolymer formed of tetrafluoroethylene (TFE) homopolymers or copolymers, wherein the average particle sizes of the semicrystalline fluoropolymer latex range from 10 to 100 nm.

Abstract: The present invention provides a coating composition containing a two-stage polymer emulsion. The two-stage emulsion polymer contains composite polymeric particles of a first stage polymer prepared from about 0.25% to about 5% by weight monomer having at least two polymerizable ethylenically unsaturated groups, about 2.5% to about 10% by weight hydroxyl monomer, preferably at least about 50% by weight of non-functional monomer of hydrophobic monomer, and preferably without addition of any acid-functional monomer; and a second stage polymer having a theoretical glass transition temperature of at least about 50° C. prepared using, by weight, about 25% to about 50% by weight hydroxyl monomer, about 3% to about 9% carboxylic acid monomer, and preferably at least 25% by weight of non-functional monomer of hydrophobic monomer;. The composite polymeric particles have a theoretical glass transition temperature of not more than about 30° C., preferably not more than about 0° C., and include from about 0.

Abstract: The present invention provides a coated polymer film having release properties. The film includes a self-supporting polymer film layer, and a release coating on the film layer. The release coating, which can also be applied to alternate substrates, includes a cross-linkable acrylic and a polyolefin wax. The coating can optionally include a polysiloxane in combination with one or both of the acrylic and polyolefin wax.

Abstract: Polyolefin fibers, primarily polypropylene fibers, having improved properties are provided. The ability to produce fibers having an improved balance of properties including increased tenacity, modulus and elongation, is accomplished by incorporating from 1 to 10 weight percent aromatic hydrocarbon resin in the polypropylene fiber-forming composition which can be based on a propylene homopolymer or copolymer or blend of these propylene polymer resins with a non-propylene-containing resin.

Abstract: A thermosetting powder paint composition comprising (A) a resin composition component, (B) a hardener component and (C) a solid flow controlling component, wherein the component (A) contains a resin composition component having reactivity with the component (B), the component (B) contains a hardener having reactivity with the component (A), the component (C) contains a vinyl polymer which is solid at 20° C., and the relation between SPA of the component (A) and SPC of the component (C) satisfies the following numerical formula (1) and the following numerical formula (2) simultaneously. By this constitution, excellent blocking-resistance in storing as the powder paint composition and excellent appearance properties of a paint film formed by coating the powder paint composition can be simultaneously manifested. 8≦SPA≦13  (1) 7≦SPC≦SPA  (2).

Abstract: A latex or fiber comprising a blend of polymeric materials consisting of one or more &agr;-olefin/ vinylidene monomer non-crosslinked substantially random interpolymers, wherein the distribution of the monomers of said interpolymers can be described by the Bernoulli statistical model or by a first or second order Markovian statistical model, and one or more homopolymers or copolymers of monomer components comprising aliphatic &agr;-olefins having from 2 to 20 carbon atoms, or aliphatic &agr;-olefins having from 2 to 20 carbon atoms and containing polar groups.

Abstract: A rubber composition which contains a thermoplastic crosslinked product comprising 1-99 parts by weight of an ethylene-&agr;-olefin copolymer (A) containing an ethylene unit and an &agr;-olefin unit of 3-20 carbon atoms and prepared using a metallocene catalyst and 1-99 parts by weight of an olefin resin (B) (the total amount of (A) and (B) being 100 parts by weight), the crosslinking degree of (A) being not less than 50%, and 1-500 parts by weight of a thermoplastic elastomer (C) added later to the crosslinked product.