Abstract: Embodiments of the invention provide a class of ethylene/?-olefin block interpolymers. The ethylene/?-olefin interpolymers are characterized by an average block index, ABI, which is greater than zero and up to about 1.0 and a molecular weight distribution, Mw/Mn, greater than about 1.3. Preferably, the block index is from about 0.2 to about 1. In addition or alternatively, the block ethylene/?-olefin interpolymer is characterized by having at least one fraction obtained by Temperature Rising Elution Fractionation (“TREF”), wherein the fraction has a block index greater than about 0.3 and up to about 1.0 and the ethylene/?-olefin interpolymer has a molecular weight distribution, Mw/Mn, greater than about 1.3.

Abstract: A rubber composition comprises as a rubber component (A) an aromatic vinyl compound-conjugated diene compound copolymer polymerized with a lithium-based polymerization initiator and having a polystyrene-conversion weight average molecular weight of 3.0×105?3.0×106 as measured by a gel permeation chromatography and (B) 10-200 parts by mass, based on 100 parts by mass of the copolymer (A), of a hydrogenated styrene-butadiene copolymer having a polystyrene-conversion weight average molecular weight of 5.0×103?2.0×105 as measured by a gel permeation chromatography and a bound styrene content of 10-70 mass % in which 25-50% of double bonds in butadiene portion is hydrogenated.

Abstract: A block copolymer comprised of a polymer block or blocks (A) comprising conjugated diene monomer units and a polymer block or blocks (B) comprising conjugated diene monomer units and aromatic vinyl monomer units, wherein (1) the polymer block or blocks (A) have a glass transition temperature in the range of ?88 to ?45° C., (2) the polymer block or blocks (B) have a glass transition temperature in the range of 30 to 90° C., (3) the content of aromatic vinyl monomer units in the block copolymer is in the range of 30 to 52% by weight based on the total weight of the block copolymer, (4) the block copolymer has an aromatic vinyl block ratio of smaller than 69% by weight based on the total weight of the block copolymer, and (5) the viscosity of a 5% by weight solution of the block copolymer in styrene is at least 5 mPa·s but smaller than 30 mPa·s. This block copolymer is used as a modifier for resin.

Abstract: The present invention provides a molded product exhibiting excellent various properties by improving compatibility of an ethylene/?-olefin/non-conjugated polyene copolymer with a polyolefin resin and a rubber composition for forming the molded product. The present invention further provides a molded product which comprises a rubber composition, is inhibited from fogging and tackiness and is excellent in mechanical strength and heat aging resistance. The rubber composition of the invention comprises an ethylene/?-olefin/non-conjugated polyene copolymer (A), and a polyolefin resin (B) having Mn of not less than 10,000 and/or an ethylene/?-olefin copolymer (C) having Mn of 2500 to 5000, and satisfies the following requirements: (1) a maximum value and a minimum value of an ethylene distribution parameter P of the component (A) have a relationship of Pmax/Pmin?1.

Abstract: Composite plastic compositions based on the dispersion of selected crosslinked polymers in certain thermoplastic matrices are disclosed. The composite compositions are readily formed and processed by thermal extrusion processes versus conventional casting processes. Preferred composite plastic compositions based on crosslinked poly(alkyl (meth)acrylate) polymers and modified poly(alkyl (meth)acrylate) thermoplastics are especially useful in the preparation of synthetic architectural materials having a mineral-like appearance, such as that of granite.

Abstract: A polymer composition comprises at least an ethylene/?-oleiln interpolymer and at least one other polymer. The other polymer can be selected from a second ethylene/?-olefin interpolymer, an elastomer, a polyolefin, a polar polymer, and an ethylene/carboxylic acid interpolymer or ionomer thereof. The ethylene/?-olefin interpolymer is a block copolymer having at least a hard block and at least a soft block. The soft block comprises a higher amount of comonomers than the hard block. The block interpolymer has a number of unique characteristics disclosed here. Also provided are gaskets, bottle cap liners, and closures that comprise or obtained from a compositon comprising at least one ethylene/?-olefin interpolymer and at least one polyolefin. The gaskets are capable of compression sealing various containers, without contaminating the contents. Liquid containers particularly benefit from the use of the novel gasket materials disclosed herein.

Abstract: A polyolefin composition suitable for preparing films and sheets, comprising: (A) from 15 to 40% by weight of a crystalline copolymer of propylene with at least one alpha-olefin of formula H2C?CHR1, where R1 is H or a C2-8 linear or branched alkyl, containing at least 90% by weight of propylene, having solubility in xylene at room temperature lower than 15% by weight; (B) from 60 to 85% by weight of an elastomeric fraction comprising: (1) a copolymer of propylene with ethylene, optionally containing 0.5 to 5% by weight of a diene, containing from 20 to 35% by weight ethylene, and having solubility in xylene at room temperature greater than 45% by weight, the intrinsic viscosity of the xylene soluble fraction ranging from 1.0 to 3.9 dl/g; and (2) a copolymer of ethylene with at least one alpha-olefin of formula H2C?CHR2, where R2 is a C2-8 linear or branched alkyl, optionally containing 0.

Abstract: The present invention relates to functionalizing agents that are particularly useful for functionalizing living rubbery polymers to make the polymer more compatible with fillers, such as carbon black and silica. These functionalizing agents are comprised of a boron containing compound having a structural formula selected from the group consisting of: wherein R is selected from the group consisting of hydrogen atoms, alkyl groups and aryl groups, wherein R1, R2, and R3 can be the same or different and are selected from the group consisting of alkyl groups, and aryl groups, and wherein R4 represents an alkylene group or a bridging aromatic group.

Abstract: Methods for modulated degenerative transfer living polymerization and isotactic-atactic stereoblock and stereogradient poly(olefins) thereby Abstract A method of producing a multiblock, stereoblock polyolefin having substantially uniform microstructure is disclosed. The method includes contacting a Ziegler-Natta pre-catalyst with a co-catalyst and an olefin to polymerize the olefin and form a first stereoblock, adding a methyl donator that changes the stereoregularity of the polymerization, and polymerizing the olefin to form a second stereoblock. The methods of the present invention allow for the production of poly(olefin)s having predictable degrees of incorporation of stereoerrors of a known type. The methods allows for the production of a variety of poly(olefin) microstructures, ranging from stereoblock to stereogradient poly(olefin)s and poly(olefin)s having fully isotactic to fully atactic microstructures.

Abstract: The invention relates to new polymerization processes including diluents including hydrofluorocarbons and their use to produce novel polymers substantially free of long chain branching. In particular, the invention relates to copolymers of an isoolefin, preferably isobutylene, and a multiolefin, preferably a conjugated diene, more preferably isoprene, substantially free of long chain branching.

Abstract: Thermoplastic vulcanizates comprise at least an ethylene/?-olefin interpolymer and at least one thermoplastic polymer, such as polyolefin. The ethylene/?-olefin interpolymer is a block copolymer having at least a hard block and at least a soft block. The soft block comprises a higher amount of comonomers than the hard block. The block interpolymer has a number of unique characteristics disclosed here. The block interpolymer is either used as a compatibilizer between a vulcanizable elastomer and a thermoplastic polymer or as a vulcanizable elastomer when it is in the EPDM form. The thermoplastic vulcanizates can be profiled extruded to make profiles and gaskets.

Abstract: Articles, in particular non-pressure mono- or multi-layer pipes, prepared by extrusion, molding and combination thereof, comprising a heterophasic polyolefin composition comprising (1) 65-95% of a crystalline propylene polymer insoluble in xylene at ambient temperature in an amount over 85% and having a polydispersity index ranging from 4 to 13 and an intrinsic viscosity value ([?]1) of over 2.2 dl/g, and (2) 5-35% of an elastomeric olefin polymer of ethylene with a C3-C10 ?-olefin having an ethylene content ranging from 15 to 85% and an intrinsic viscosity value ([?]2) of at least 1.4 g/ml. The [?]1/[?]2 ratio ranging from 0.45 to 1.6. The articles typically have modulus of elasticity in tension higher than 2000 MPa. The invention also relates to the said heterophasic polyolefin composition and an extrusion process for producing the said articles.

Abstract: The present invention relates to hydrogenated carboxylated nitrile-butadiene rubber (HXNBR), which contain molecularly dispersed triphenylphosphine, and which is useful as a cross-linking agent for elastomers, plastics and/or adhesive systems. The present invention also relates to products which are obtainable from the HXNBR having molecularly dispersed triphenylphosphine and elastomer, plastics and/or adhesive systems, a composition containing a HXNBR having molecularly dispersed triphenylphosphine and further non-molecularly dispersed activators, a process for the preparation of the composition as well as the use of HXNBR having molecularly dispersed triphenylphosphine, as an elasticizing agent for elastomer, plastics and/or adhesive systems.

Abstract: A modified asphalt composition comprising a naphthenic asphalt; and a block copolymer including a block comprising diene units characterized by having a vinyl content of at least 15% by weight.

Abstract: The invention relates to a high productivity process for the production of rubber latex particles. This improved productivity process involves using a seeded grow-out process to prepare polybutadiene rubber latex. The use of a pre-formed seed latex reduces cycle time relative to an in situ polybutadiene seed process. It also provides better particle size control. The rubber latex particles can be used for impact modification of thermoplastic compositions.

Abstract: Toughened thermoplastic compositions comprising a thermoplastic polymer toughened by the inclusion of a thermoplastic elastomer derived from a particulate rubber dynamically vulcanized in the presence of a matrix polymer. The toughened thermoplastic composition exhibits properties including toughness, improved impact resistance, and improved hardness. The compositions are utilized wherever toughened, high performance polymers are desired. A method for forming the toughened polymer compositions is also described. Processing methods, such as rotational molding, utilizing the toughened polymer compositions are described.

Abstract: This invention relates to a styrene-based (co)polymer capable of improving tan ? of a rubber composition while ensuring a fracture resistance of the rubber composition by adding to the rubber composition, and more particularly to a styrene-based polymer obtained by homopolymerizing a styrene derivative and having a weight average molecular weight as converted to polystyrene of 2×103 to 50×103, and a styrene-based copolymer obtained by copolymerizing styrene and at least one of styrene derivatives and having a weight average molecular weight as converted to polystyrene of 2×103 to 50×103.

Abstract: Provided is a polymer composition having a linear, semi-crystalline thermoplastic matrix polymer and a second thermoplastic polymer. The second polymer is a substantially saturated hydrocarbon polymer including (i) a backbone chain and (ii) one or more substantially hydrocarbon sidechains connected to the backbone chain. The sidechains each have a number-average molecular weight of from 2,500 g/mol to 125,000 g/mol and an MWD by SEC of 1.0 to 3.5. The mass ratio of sidechain molecular mass to backbone molecular mass is from 0.01:1 to 100:1. The matrix polymer is present at 95 wt % or more based on the weight of the composition. The second polymer is present at 0.2 to 5.0 wt % or more based on the weight of the composition. Provided is also a method for enhancing flow-induced crystallization in a linear, semi-crystalline thermoplastic matrix polymer. Provided is also a method for processing a polymer composition.

Abstract: The objective of the present invention is to provide an acrylic ester-based copolymer rubber which gives a rubber product excellent in fuel oil resistance and tensile strength and which is crosslinkable with sulfur and/or an organic peroxide and to provide a process for producing the same, as well as a rubber composition, an oil-resistant and weather-resistant rubber composition, and an oil-resistant and weather-resistant rubber product. The acrylic ester-based copolymer rubber of the present invention comprises a structural unit derived from at least one monomer selected from the group consisting of an acrylic acid alkyl ester and an acrylic acid alkoxyalkyl ester in an amount from 40 to 91.9% by mass, a structural unit derived from an unsaturated nitrile monomer in an amount from 8 to 40% by mass, and a structural unit derived from at least one monomer selected from the group consisting of a non-conjugated cyclic polyene and a compound having a specific structure in an amount from 0.

Abstract: Polyolefin composition comprising, in percent by weight: A) 10-50% of a copolymer of propylene with one or more comonomer(s) selected from ethylene and CH2?CHR alpha-olefins where R is a 2-8 carbon alkyl, which copolymer contains from 1 to 8% of comonomer(s); B 50-90% of a blend of copolymers (bI) and (bII), wherein copolymer (bI) contains from 18 to 40% of ethylene, and copolymer (bII) contains from 55 to 85% of ethylene, and the weight ratio (bI)/(bII) is from 0.2 to 2; in which composition the copolymer component (bI) is present in amounts of 15% or more with respect to the total weight of (A)+(B), the weight ratio C2II/C2I of the content C2II of ethylene in copolymer component (bII) to the content C2I of ethylene in copolymer component (bI) is of 1.8 or more, and the intrinsic viscosity [?] of the fraction XS soluble in xylene at room temperature (about 25° C.), referred to the total weight of (A)+(B), is of 2 dl/g or more.

Abstract: The present invention relates generally to golf balls containing a centipede polymer in one or more core layers, one or more cover layers, one or more intermediate layers.

Abstract: Swellable compositions and methods of using and controlling them are disclosed. In certain examples, the swellable composition may comprise an active phase responsive to swell upon exposure to a swelling fluid. In some examples, the active phase of the swellable composition is effective to deswell in response to an applied stimulus in the presence of the swelling fluid. In other examples, the swellable composition may further comprise a passive phase responsive to swell to a lesser degree than the active phase upon exposure to the swelling fluid. Devices and systems using the swellable compositions are also described.

Abstract: An electrode providing electrical contact with a patient's skin includes a conductive member adapted for connection to an external electrical apparatus and a non-liquid water containing film for electrically interfacing to said patient's skin, the non-liquid film being electrically and mechanically connected to said conductive member. The non-liquid water containing film includes an electrically conductive organic polymer plasticized with a polyhydric alcohol with said organic polymer being derived from a monomeric mixture comprising from about 2 to 30 pph acrylic acid, 2 to 30 pph of a glycolvinylether and 0.01 to 1.5 pph of a crosslinking agent. Preferably the polyhydric alcohol is glycerol.

Abstract: A multiphase polymeric material comprises a first rigid continuous phase and a second elastic phase dispersed in the first phase. The multiphase polymeric material may be formed into polymeric strips and used to make a cellular confinement system which is suitable for use in cold areas.

Abstract: The present invention provides a water hose which includes an inner layer and an outer layer that are concentric and tube-shaped, and a reinforcement fiber layer that is formed by interweaving reinforcement fibers between the inner layer and the outer layer. The inner layer and the outer layer are formed by vulcanizing a composition for a hose that includes an ethylene-propylene-nonconjugated diene copolymer and an ethylene-butene-nonconjugated diene copolymer such that a mass ratio (ethylene-propylene-nonconjugated diene copolymer/ethylene-butene-nonconjugated diene copolymer) is 80/20 to 30/70. A Mooney viscosity (ML (1+4) 100° C.) of the ethylene-butene-nonconjugated diene copolymer is lower than a Mooney viscosity (ML (1+4) 100° C.) of the ethylene-propylene-nonconjugated diene copolymer.

Abstract: The present invention relates to an industrially beneficial method of manufacturing golf balls which includes the steps of pre-preparing an inorganic filler masterbatch by mixing an inorganic filler with a rubber material, preparing a rubber composition that contains the rubber material by using the masterbatch, and employing a material obtained by molding the rubber composition under heat as a golf ball component. The masterbatch is composed of: (A) from 20 to 100 wt % of a modified polybutadiene obtained by a modification reaction wherein a polybutadiene having a vinyl content of from 0 to 2%, a cis-1,4 bond content of at least 80% and an active end is modified at the active end with at least one type of alkoxysilane compound, and (B) from 80 to 0 wt % of a diene rubber other than ingredient A, such that ingredients A and B are included in a combined amount of 100 wt %, and (C) an inorganic filler.

Abstract: A process for producing a polyolefin-based resin composition comprises, in the first polymerization stage, polymerizing an ?-olefin having 4 to 20 carbon atoms, a styrene or a cyclic olefin in the presence of a specific catalyst and, in the second polymerization stage, copolymerizing the obtained polymer with an ?-olefin having 2 to 20 carbon atoms, a styrene or a cyclic olefin in the presence of a polyene. A polypropylene composition has a branching parameter a and a branching index g in specific ranges. The curve showing the change in viscosity under elongation with time, the degradation parameter D or the content of a high molecular weight component is specified. The polyolefin-based resin composition exhibits excellent uniformity and improved workability in melting due to improved tension in melted condition. The polypropylene composition exhibits excellent melting elasticity and secondary workability and provides foamed molded articles, sheets and blow molded articles.

Abstract: Provided are homogeneous blend compositions comprising; a) from 1% to 99% by weight of the blend of a first polymer component comprising a copolymer of 5% to 35% by weight of the first polymer component consisting predominantly of alpha olefin derived units and 65% to 95% by weight of the first polymer component of propylene derived units having a crystallinity of 0.1% to about 25% from isotactic polypropylene sequences, a melting point of from 45° C. to 105° C., and wherein the Melt Flow Rate (MFR@230C) of the first polymer component is between 300 g/10 min to 5000 g/1 min. b) from 1% to 99% by weight of the blend of a second polymer component comprising isotactic polypropylene and random copolymers of isotactic propylene, wherein the percentage of the copolymerized alpha-olefin in the copolymer is between 0.0% and 9% by weight of the second polymer component and wherein the second polymer component has a melting point greater than about 110° C.

Abstract: Elastomer precursor gum (for any of fluoroelastomer, acrylic acid ester rubber/polyacrylate rubber, ethylene acrylic rubber, silicone, nitrile butyl rubber, hydrogenated nitrile rubber, natural rubber, polyurethane, and styrene butadiene rubber) and non-gum polymer are admixed with optional electrically conductive particulate and/or optional filler to provide either a continuous phase of polymer with dispersed gum portions, a continuous phase of elastomer precursor gum with dispersed polymer portions, or an interpenetrated structure of elastomer precursor gum and polymer. Curing is optionally enabled with techniques such as electron beam radiation.

Abstract: An elastic material for use in an absorbent article is provided. The elastic material contains a crosslinked network formed from a linear block copolymer having a monoalkenyl aromatic midblock positioned between conjugated diene endblocks (e.g., butadiene-styrene-butadiene (“B-S-B”) triblock copolymer). Prior to crosslinking, such linear block copolymers have a relatively low viscosity and thus may be readily formed into a precursor elastic material (e.g., film, strands, web, etc.) that is subsequently crosslinked to achieve the desired elastic and mechanical properties. Crosslinking is typically achieved through the formation of free radicals (unpaired electrons) that link together to form a plurality of carbon-carbon covalent bonds at the conjugated diene endblocks.

Abstract: A compound is described including one or more polymer (A) selected from propylene-ethylene block copolymers (A1), propylene homopolymers (A2) and a combination of copolymers (A1) and/or homopolymers (A2), at 30% to 90% by weight; one or more copolymer (B) selected from ethylene-alpha-olefin random copolymers (B1), hydrogenated styrene-ethylene-butadiene-styrene block copolymers (B2), ethylene-alpha-olefin block copolymers (B3), and a combination of two or more of copolymers (B1), copolymers (B2), and/or optional copolymers (B3), at 0% to 50% by weight; one or more mineral filler (C) at 0% to 30% by weight; one or more surface modifier (D) at 0% to 5% by weight; one or more additive (E) at 0% to 5% by weight; and one or more colorant (F) at 0% to 10% by weight. Associated articles and methods are also described.

Abstract: The present invention is directed to a pneumatic tire comprising at least one component, the at least one component comprising a rubber composition comprising a diene based elastomer, from 1 to 30 parts by weight per 100 parts by weight of diene based elastomer (phr) of cellulose fiber, and from 1 to 20 phr of a substituted polyisoprene comprising units of formula I, wherein —R comprises hydrogen and one substituent group of structure II wherein the number of substituent groups of structure II occurring per substituted polyisoprene molecule ranges from 8 to 12, and the weight average molecular weight of the substituted polyisoprene ranges from 20000 to 30000.

Abstract: The present invention relates to a film comprising a vulcanised thermoplastic elastomer, a polypropylene based polyolefine composition and optionally an ethylene polymer. The film for example comprises from 30-90 parts by weight of vulcanised thermoplastic elastomer, 5-65 parts by weight of the polypropylene based polyolefin composition and optionally from 0-50 parts by weight of the ethylene polymer wherein said parts by weight are based upon 100 parts by weight of the vulcanised thermoplastic elastomer, the polypropylene based polyolefin composition and the ethylene polymer. The films are used in soft touch applications, consumer applications, medical applications, hygienic applications, packaging, and automotive or clothing applications. The films are for example useful in baby diapers, surgical drapes, surgical pouches, hospital linens, diaper waist bands and side tabs, adult incontinence products, feminine hygiene products and wound care products.

Abstract: The present invention belongs to the field of polyolefin alloy preparation, and particularly relates to a polyolefin composite material in good form with adjustable composition and performances, produced by controlling a composite catalyst composed of Zieglar-Natta catalyst and metallocene catalyst to be catalytic by stage in the olefin polymerization reaction. This material is composed of propylene polymer and ethylene copolymer which is obtained by copolymerizing ethylene with alpha olefin or diolefin, wherein: the molar content of alpha olefin or diolefin in the ethylene copolymer is 0%˜60%, and the ethylene copolymer is 3˜80% by weight of the polyolefin composite material; the polyolefin composite material is in particle form, and the ethylene copolymer has a molecular weight distribution of 1˜6 and a glass transition temperature of ?80˜0° C.; and the ethylene copolymer produced in the reaction is dispersed homogeneously in the propylene polymer particles to form the polyolefin composite material.

Abstract: [Problems] To provide an oxygen absorbing resin composition which is excellent in oxygen absorption at room temperature, reduced in metal content, and reduced in odor emission after oxygen absorption; an oxygen-absorbing film comprising one of the oxygen-absorbing resin compositions; and an oxygen-absorbing multilayer structure including an oxygen-absorbing layer comprising one of the oxygen-absorbing resin compositions. [Means for Solving Problems] One of the oxygen-absorbing resin compositions comprises a resin (A1) having a C—H bond in which the bond dissociation energy is at most 3.70 eV and a resin (B1) having a C—H bond in which the bond dissociation energy is larger than 3.70 eV but at most 4.20 eV. The other composition comprises a resin (A2) having a C—H bond capable of yielding a carbon radical in which the energy of reaction with oxygen is at most 10.0 kcal/mol and a resin (B2) having a C—H bond capable of yielding a carbon radical in which the energy of reaction with oxygen is larger than 10.

Abstract: A nano-particle composition including a poly(alkenylbenzene) core and a poly(conjugated diene), a poly(alkylene), or a poly(alkenylbenzene) surface layer is provided. The nano-particles have a mean average diameter of less than about 100 nm. The nano-particles can be modified via, for example, hydrogenation or functionalization. The nano-particles can be advantageously be incorporated into rubbers, elastomers, and thermoplastics.

Abstract: A process for producing a partially or completely crosslinked olefinic rubber composition which comprises (A) 1 to 99 parts by weight of an ethylene-?-olefin copolymer having ethylene units and C3-C20 ?-olefin units, and (B) 1 to 99 parts by weight of an olefinic resin, total amount of (A) and (B) being 100 parts by weight, said (A) having a degree of crosslinking of 50% or more and a degree of swelling of 5 to 40.

Abstract: The invention relates to new polymerization processes including diluents including hydrofluorocarbons and their use to produce novel halogenated polymers with new sequence distributions. In particular, the invention relates to halogenated copolymers of an isoolefin, preferably isobutylene, and a multiolefin, preferably a conjugated diene, more preferably isoprene, with new sequence distributions.

Abstract: A golf ball which is formed from a vulcanized rubber compound composed of 100 parts by weight of a rubber base material, 10 to 60 parts by weight of an unsaturated carboxylic acid and/or a metal salt thereof, 0.1 to 5 parts by weight of an organosulfur compound, 5 to 80 parts by weight of an inorganic filler, and 0.1 to 3 parts by weight of an organic peroxide, the rubber base material being composed of a first polybutadiene accounting for 50 to 95 wt % and a second polybutadiene accounting for 5 to 50 wt %, both polybutadiene being synthesized by using a rare earth element-based catalyst, the first polybutadiene containing no less than 60 wt % of cis-1,4 bonds and having a Mooney viscosity (ML1+4 (100° C.)) no lower than 50 and the second polybutadiene containing no less than 60 wt % of cis-1,4 bonds and having a Mooney viscosity (ML1+4 (100° C.)) no higher than 45. The golf ball is characterized by good rebound resilience and good workability with which it is produced.

Abstract: A thermoplastic crosslinked rubber composition comprising (A) from 1 to 99 parts by weight of a hydrogenated rubber obtained by hydrogenating not less than 50% of total double bonds of at least one homopolymer rubber of a conjugated diene type monomer or a random copolymer rubber consisting of a conjugated diene type monomer unit and an aromatic vinyl monomer unit and (B) from 1 to 99 parts by weight of an olefinic thermoplastic resin, total amount of (A) and (B) being 100 parts by weight, said (A) being partially or completely crosslinked, wherein said (A) is crystalline rubber, having a crystallization temperature in a range of from ?50 to 70° C. and a heat quantity of crystallization at peak in a range of from 3 to 100 J/g in differential scanning calorimetry (DSC method).

Abstract: A compatibilizer including a first portion compatible with a fluoropolymer and a second portion compatible with a polyolefin. Compatibilized compositions comprising a polyolefin, a fluoropolymer, and a compatibilizer are also disclosed. Methods for forming both the compatibilizer and the blends contained in the compatibilizer are described. The compatibilized compositions of the present invention exhibit desired mechanical properties such as tensile strength and elongation. The flame retarded compatibilized blends exhibit desirable dielectric properties, are flame resistant and exhibit low smoke emission.

Abstract: A transfer-type adhesive material A is obtained by applying a adhesive 1 composed of a adhesive composition 10 (not shown) containing an acrylic polymer or a styrene-based polymer onto a release substrate in an intermittent pattern. The present invention includes pressing a nut N and a washer W as hard articles against the above-mentioned transfer-type adhesive material A, transferring a plurality of dots 1d of the adhesive 1 onto pressed surfaces Na and Wa of the nut N and the washer W, and applying onto a target surface C1b the plurality of dots 1d of the adhesive 1 transferred onto the pressed surfaces Na and Wa.

Abstract: Compositions for damping the vibration of mechanical components, such as those used in vehicles, are disclosed and described. The compositions comprise resin blends that are semi-compatible and which are blended to form a micro-phase separation.

Abstract: According to the present invention, a display strip with which the process of attaching product-enclosed bags can easily be automated and from which the product-enclosed bags can easily be detached without having their appearance degraded and a display strip and product assembly can be provided. The display strip according to the present invention is utilized to hold and align a plurality of product-enclosed bags vertically for the display. It comprises at least a substrate layer and a sealant layer with the sealant layer containing an ethylene-vinyl acetate copolymer and an adhesive promoting tackifier.

Abstract: The invention provides for processes to produce elastomeric compositions, the processes including contacting at least one elastomer with a processing aid, wherein the processing aid includes the reaction product of at least one functionalized polymer having at least one anhydride group contacted with at least one polyamine, wherein the at least one polyamine includes at least one primary amine. The invention also provides for articles such as innerliners for tires produced from the aforementioned elastomeric compositions.

Abstract: An initiator is presented for anionically polymerizing monomers, to provide a functional head group on the polymer. A polymer having a functional head group derived from a sulfur containing anionic initiator, and optionally as additional functional group resulting from the use of a functional terminating reagent, coupling agent or linking agent is also provided. A method is presented for anionically polymerizing monomers comprising the step of polymerizing the monomers with a sulfur containing anionic initiator to provide a functional head group on the polymer. An elastomeric compound, comprising a functional polymer and filler is also described. Also provided is a tire having decreased rolling resistance resulting from a tire component containing a vulcanizable elastomeric compound.

Abstract: There is provided a rubber composition for a side wall, wherein an amount ratio of resources other than petroleum are increased so as to be ecological and take measures for the decrease in supply of petroleum in the future, which further has excellent flex crack resistance and strength. A rubber composition for a side wall comprising 20 to 60 parts by weight of silica based on 100 parts by weight of a rubber component comprising 40 to 80% by weight of a natural rubber and 60 to 20% by weight of at least one rubber selected from the group consisting of a butadiene rubber, a styrene-butadiene rubber and an epoxidized natural rubber, and 4 to 16 parts by weight of a silane compound represented by the following formula: Xn—Si—Y4-n (wherein X represents an ethoxy group or a methoxy group, and Y represents a phenyl group or an alkyl group) based on 100 parts by weight of silica.

Abstract: This invention relates to a rubber composition having a high storage modulus (G?) and a low loss tangent (tan ?), and more particularly to a rubber composition comprising 2 to 60 parts by mass of a low-molecular weight aromatic vinyl compound-conjugated diene compound copolymer (B) having an aromatic vinyl compound content of 5 to 80% by mass, a vinyl bond content in a conjugated diene compound portion of 5 to 80% by mass, a weight average molecular weight as measured through a gel permeation chromatography and converted to polystyrene of 5,000 to 500,000 and at least one functional group based on 100 parts by mass of a rubber component (A) composed of at least one of natural rubber and synthetic diene-based rubbers.

Abstract: A thermally stable brominated butadiene copolymer, such as brominated styrene/butadiene block copolymer, brominated random styrene/butadiene copolymer or brominated styrene/butadiene graft copolymer, preparation of the brominated butadiene copolymers, use of the brominated butadiene copolymers as a flame retardant additive and polymeric compositions, both foamed and non-foamed, that incorporate a flame-retarding amount of brominated butadiene copolymer.

Abstract: The present invention relates to a process for the preparation of a dynamically vulcanized thermoplastic elastomer comprising simultaneously mixing a thermoplastic polyolefin, a vulcanizable rubber and a curing agent in a co-rotating twin-screw extruder whereby the vulcanizable rubber is cured during mixing. The residence time in the extruder is less than 40 sec, the ratio of specific Energy (Espec)/residence time is at least 24 kW/kg and the ratio of the residence time/(Length/Diameter) is less than 0.60 sec. The invention further relates to the dynamically vulcanized thermoplastic elastomer obtainable by the process and to the use of the dynamically vulcanized thermoplastic elastomer in sealing systems, building profiles and extrusion applications.