Abstract: Isobutylene rubber particles comprising a finely divided isobutylene polymer, and isobutylene-based graft copolymer particles comprising the isobutylene rubber particles and a vinyl monomer graft-polymerized onto the particles, which are useful as an impact modifier having excellent weatherability and thermal stability for thermoplastic resins and provide a thermoplastic resin composition having an improved impact resistance.

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

Abstract: A multiple layer structure comprising a skin layer composed of a polypropylene copolymer with styrene ethylene-butene styrene block copolymer within a range of 0-20% by weight skin layer, and, a radio frequency (“RF”) susceptible layer adhered to the skin layer. The RF layer has a first component of a propylene based polymer, a second component of a nonpropylene polyolefin, a third component of a radio frequency susceptible polymer, and a fourth component of a polymeric compatibilizing agent wherein the radio frequency susceptible polymer is selected from the group consisting of ethylene acrylic acid copolymers, ethylene methacrylic acid copolymers, polyimides, polyurethanes, polyesters, and polyureas.

Abstract: This invention is a toughened alpha-polyamide composition which has been admixed at a maximum shear rate of at least 400 sec−1 and which comprises: (a) 10 to 30, preferably 15 to 25, percent by weight (%wt) of a maleic anyhydride or acid functionalized polydiene polymer, (b) 60 to 89% wt of an alpha-polyamide, and (c) 1 to 10% wt of a polyamide prepared by copolymerizing a diamine and a dicarboxylic acid.

Abstract: A cover stock composed mainly of a heated mixture of a thermoplastic polyurethane elastomer and a polyolefin oligomer or polyolefin which has been modified with functional groups is suitable for the manufacture of golf balls. The cover made of the stock has improved scuff resistance.

Abstract: An aromatic polyamide resin composition is obtained by blending an inorganic filler and an impact modifier. The ratio of the weight M of the inorganic filler to the weight T of the impact modifier is preferably 2.0≦M/T≦6.5. The aromatic polyamide resin has a melting point of at least 290° C., and preferably a glass transition temperature of at least 60° C. The composition has an excellent balance of toughness and stiffness.

Abstract: Carpet scrap containing mixtures of polyesters and/or polyamides and polyolefins are compatiblized with ultralow density polyethylene (ULDPE) to make homogeneous thermoplastic blends having useful properties.

Abstract: The invention relates to a thermoplastic composition comprising at least one polymer (M) forming a matrix in which are dispersed nodules of (K), nodules of (K) entirely or partly encapsulated in at least one polymer (S) and nodules of (S) and such that the nodules of (K) entirely or partly encapsulated in (S) are smaller than the nodules of (S).

Abstract: The invention relates to an article based on a mixture of polyamide and polyolefin, which article includes at least one weld line due to multi-port injection molding, said article characterized in that the ratio of the viscosities of the polyolefin to the polyamide, measured at a shear rate higher than 100 s−1, is greater than 0.70, and that the quantity of polyamide is sufficient for the elongation at break to be greater than 10%. A typical application is the production of an injection molded automobile fender.

Abstract: Grafting a polymer at the surface of a carbonated material containing carboxyl amine and/or hydroxyl functions at its surface. This material is suspended in a solution comprising the polymer to be grafted, which includes a carboxyl amine and/or hydroxyl function, the solution also comprising a solvent of the polymer. This is followed by a treatment causing dehydration into a carboxyl function, an amide and/or hydroxyl function and the polymer is thus grafted on the carbonated material by means of ester or amide bonds. Utilization in the cathode or anode of an electrochemical generator, in a polymer material with low polarity, in an ink, and as a conductive deposit on flexible plastic used as electrical contact, electromagnetic protection and antistatic protection.

Abstract: Novel imine functional copolymers are provided containing a plurality of groups of the structure: where R1 is hydrogen or methyl; R2 is hydrogen or an alkyl group having from about 1 to about 10 carbon atoms; R3 is an alkyl or aryl group having from about 1 to about 10 carbon atoms, or R3 is bonded to R2 and forms part of a five- or six-membered ring; and Y is a divalent linking group having from about 3 to about 15 carbon atoms. The composition is useful in film-forming compositions curable at ambient temperature and above.

Abstract: Thermoplastic materials containing A) 5 to 80 parts by weight of a thermoplastic co- or terpolymer made from the monomers styrene, &agr;-methylstyrene, methyl methacrylate, acrylonitrile with an average molecular weight ({overscore (M)}w) of 70,000 to 119,000, B) 1 to 30 parts by weight of a thermoplastic copolymer made from 60 to 95% by weight of styrene and/or &agr;-methylstyrene and 40 to 5% by weight of acrylonitrile with an average molecular weight ({overscore (M)}w) of 25,000 to 49,500, C) 0.1 to 10 parts by weight of a thermoplastic co- or terpolymer made from the monomers styrene, &agr;-methylstyrene, methyl methacrylate, acrylonitrile with an average molecular weight ({overscore (M)}w) of 1,500 to 6,000 and D) 0.5 to 50 parts by weight of a particulate rafted rubber with a glass transition temperature ≦10° C. and an average particle diameter (d50) of 0.05 to 0.

Abstract: A polymer blend, a process for the preparation thereof and products manufactured from the polymer blend. The polymer blend contains 95 to 50 parts by weight of a polyolefin- or polyester-based polymer matrix, 5 to 50 parts by weight of an aromatic main-chain liquid crystalline polymer and plastic additives, if any. Further, the blend contains, based on the total weight of the previous components, 0.1 to 30 percent by weight of a substance (a compatibilizer) which improves the compatibility of the polymer matrix and the liquid crystalline component. The compatibilizer includes a polymer containing reactive functional groups. Preferably, the compatibilizer includes an SEBS polymer functionalized with maleic anhydride or an olefin polymer functionalized with glycidyl methacrylate.

Abstract: A composition prepared by adding as the sliding properties improving agent a small amount of ethylene-&agr;-olefin random copolymer having polar groups to engineering plastics including polyacetal, ABS, and polyamide is suitable for the manufacture of gears, rotary shafts and bearings by way of exploiting its molding processibility including excellent mold release properties, and at the same time is capable of enhancing its friction/wear resistance. As the sliding properties improving agent, an oxidation-modified material produced from ethylene-&agr;-olefin random copolymer or a graft-modified material prepared by graft-copolymerizing an ethylenic unsaturated monomer having carboxylic acid group, hydroxyl group or the like with ethylene-&agr;-olefin random copolymer is particularly preferable.

Abstract: Composite including a rubber/thermoplastic blend adherent by itself to a thermoplastic material; the blend is in the form of a thermoplastic matrix containing rubber nodules functionalized and vulcanized during the mixing with the thermoplastic. Composite articles obtained by overmolding the vulcanized rubber/thermoplastic blend onto the thermoplastic.

Abstract: The invention concerns a mixture or polymer composite of a copolymer (CP) comprising between 70 and 99.9 wt % methylmethacrylate, between 0.1 and 5 wt % maleic acid anhydride and between 0 and 25 wt % further vinylically copolymerizable monomers which, apart from the vinyl function, have no further function groups, with a polymethacrylate-compatible plastics (VK) and a polymer (PN) which contains at least one terminal nucleophilic groups.

Abstract: The present invention relates to water-dispersible materials (e.g. fibers or films) and to a method of producing same. The materials of the invention comprise a water soluble component, for example, a sulfonated polycondensate thermoplastic, and a modifying auxiliary component, for example, a low melt temperature thermoplastic.

Abstract: The instant invention teaches a method for enabling the formation of a high damping, soft polymer gel. The method includes: reacting a poly(disubstituted ethylene-co-maleimide) polymer with a maleated polyalkylene and an alkyl diamine under substantially dry conditions sufficient to form a polyalkylene grafted poly(disubstituted ethylene-co-maleimide) polymer product; and, dispersing the polyalkylene grafted poly(disubstituted ethylene-co-maleimide) polymer product with an extender oil sufficient to form the gel. The instant invention also contemplates a polymer gel composition, a polymer composition and an article manufactured from the polymer gel composition.

Abstract: Graft and block copolymers with a weight average molecular weight below 20,000, a hydroxy value more than 200 and acid value below 50 which copolymers comprise (a) 20-98% by weight of a water soluble macromonomer having a hydroxy value of at least 300, a weight average molecular weight below 6000, containing less than 10% by weight of an acid functional monomer and having a terminal unsaturated double bond; and (b) 2 to 80% of polymerized monomers selected from vinyl monomers, acrylate monomers, methacrylate monomers and mixtures thereof, form stable coating compositions that are compatible with polyisocyanate crosslinking agents and provide improved properties and appearance in automotive finishes.

Abstract: The present invention relates to a block copolymer comprising at least one polyalkadiene block which may or may not be hydrogenated and at least one random (aromatic vinyl compound-co-maleic anhydride) block. Besides, the invention relates to a stable polymer composition comprising a continuous phase formed by a first polymer and a phase dispersed therein of a second polymer, which second polymer is not compatible with the first polymer, and an amount of the block copolymer according to the invention, the ratio of the block copolymer to the second polymer ranging between 1:50 and 1:5. Finally, the invention relates to the use of the block copolymers according to the invention as compatibilizer and/or as modifier for the mechanical properties of polymer compositions.

Abstract: A multiple layer structure comprising a skin layer composed of a polypropylene copolymer with styrene ethylene-butene styrene block copolymer within a range of 0-20% by weight skin layer, and, a radio frequency (“RF”) susceptible layer adhered to the skin layer. The RF layer has a first component of a propylene based polymer, a second component of a nonpropylene polyolefin, a third component of a radio frequency susceptible polymer, and a fourth component of a polymeric compatibilizing agent.

Abstract: Directly paintable polymer compositions contain (1) a thermoplastic olefin, (2) a maleic anhydride-grafted propylene homopolymer or random copolymer, (3) a maleic anhydride-grafted olefin polymer material, (4) a functionalized polymer that reacts with the maleic anhydride groups of the grafted polymers, and, optionally, (5) a maleic anhydride-grafted ethylene polymer. The amount of (2)+(3) or (2)+(3)+(5) is at least 16 parts but less than 27 parts per hundred parts of the thermoplastic olefin.

Abstract: High-frequency-weldable polymer mixture containing: a copolymer of ethylene with comonomers selected from vinyl esters of saturated C.sub.2 -C.sub.8 carboxylic acids, C.sub.1 -C.sub.12 -alkyl acrylates and -methacrylates, optionally with carbon monoxide as termonomer; and polyamide-containing thermoplastic polyolefin which, in turn, contains a polyamide, polyolefin and, optionally, compatibilizing agents. The polyolefins can be a propylene copolymer with polypropylene blocks and random copolymer blocks, or a mixture of polypropylene and random copolymers. The polymer mixture has good high-frequency weldability and good weld seam strength as well as thermal stability accompanied by a low temperature dependency of the dielectric loss factor.

Abstract: A composition and method for promoting improved adhesion between a thermoplastic resinous substrate and polyurethane foam is provided. In one aspect of this invention, the composition comprises a thermoplastic mixture of at least one polyphenylene ether and at least one poly(alkenylaromatic) compound; and at least one primary amine-containing material or secondary amine-containing material.

Abstract: Blends of polyketone polymers with polyolefin polymers are described which are compatibilized by a reactive blend of a polyamide polymer and a maleated polyolefin polymer. The compatibilization is attained without chemical linkage between the compatibilizer and the polyketone polymer. Such compatibilized blends offer good mechanical properties and the ability to melt bond to both neat polyketone polymers and neat polyolefin polymers.

Abstract: Polymeric compositions comprising:a) at least one aromatic thermoplastic polymer or a vinylaromatic thermoplastic (co)polymer;b) at least one thermoplastic resin selected from a (co)polymer optionally modified with rubber, comprising a vinylaromatic monomer and/or a monomer deriving from (meth)acrylic acid and thermoplastic polyesters;c) a compatibilizing block polymer, with at least two blocks, which can be obtained by means of a living radicalic polymerization process.

Abstract: Thermoplastically processable thermotropic molding compounds of thermotropic polycondensates and 0.05 to 5% by weight functionalized polymers, such as for example functionalized polybutadiene oils, polyethylene or polypropylene.

Abstract: The present invention provides a fiber strand useful in composites and geosynthetics which includes a plurality of fibers having applied to at least a portion of surfaces thereof a base layer of a base coating composition and thereupon a principal layer of an aqueous coating composition different from the base coating composition, the aqueous coating composition including a blend of (1) a halogenated vinyl polymer and (2) an elastomeric polymer, the blend being essentially free of a monoolefinic material.

Abstract: The present invention relates to a multiphase thermoplastic composition consisting of a mixture (I) including at least one ethylene polymer (A) which has units derived from unsaturated epoxy and at least one thermoplastic resin (B) partly encapsulated by the said ethylene polymer (A), the said mixture (I) being dispersed in a matrix of thermoplastic resin (C).

Abstract: The invention is directed to a polymer dispersant comprising a substituted polyimide or polyamide backbone, having at least some proportion of oligomeric or polymeric grafted side chains including one of amides, esters, and thioesters, having the general formula: wherein X is at least one of hydrogen, an alkali earth metal ion, an alkaline earth metal ion, ammonium ion, and amine; R is at least one of C.sub.1 to C.sub.6 alkyl(ene) ether and mixtures thereof and C.sub.1 to C.sub.6 alkyl(ene) imine and mixtures thereof; Q is at least one of oxygen, nitrogen, and sulfur; p is a number from 1 to about 300 resulting in at least one of a linear and branched side chain; R.sub.1 is at least one of hydrogen, C.sub.1 to C.sub.

Abstract: Water soluble polyalkanolamides and a process to prepare same by reacting polycarboxylic acid or its anhydride, ester or halide derivative with at least one alkanolamine and optionally with a polyamine and removing the condensation byproduct water, alcohol or hydrogen halide.

Abstract: The present invention relates to a vulcanized mixture:(i) of at least one functionalized rubber and(ii) of at least one thermoplastic in an amount which is sufficient to increase the modulus at small elongations but such that the breaking stress is not reduced by more than 10%.The thermoplastic can be chosen from polyamides and copolymers containing polyamide blocks and polyether blocks.

Abstract: The invention relates to a thermoplastic composition comprising at least one polymer (M) forming a matrix in which are dispersed nodules of at least one polymer (K) which are encapsulated in at least one polymer (S) in such a way that these encapsulated nodules are smaller than the nodules of the polymer (S) which are dispersed in the matrix (M).

Abstract: A melt-mixed blend of polyamide and grafted fluoropolymer having polar functionality exhibits surprisingly low permeability and can bond to fluoropolymer or polyamide without an intervening adhesive layer. The blend is useful as a component of laminates, such as fuel hose.

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

Abstract: A semiaromatic polyamide resin composition of the present invention contains a polyamide (A) in which a dicarboxylic acid component unit comprises a terephthalic acid component unit and a diamine component unit comprises a straight-chain alkylenediamine component unit and an alkylenediamine component unit having a side-chain alkyl group; and a modified ethylene/.alpha.-olefin copolymer (B) obtained by graft-modifying an ethylene/.alpha.-olefin copolymer having particular properties with an unsaturated carboxylic acid or a derivative thereof. A molded article obtained by using this composition exhibits excellent anti-creeping property under high-temperature and high-humidity conditions, and causes the metal mold to be little fouled during the molding operation.

Abstract: There is provided a mixture comprising: (i) a matrix A comprising a polyolefin (A1) and/or a functionalized polyolefin (A2); and (ii) a dispersed phase comprising an alloy B of polyamide (B1) having a polyamide matrix, comprising for example a polyamide (B1), a functionalized polyolefin (B2) and optionally a polyolefin (B3). A method for producing same is disclosed and comprises mixing the constituents of matrix A and a ground product of a multi-layer film comprising at least one layer of alloy B.

Abstract: Disclosed is a chemical and heat-resistant styrene-based resin composition which uses the following as the primary resin: (A) a graft copolymer of a diene rubber component and at least two compounds selected from vinyl compounds, cyanide vinyl compounds, and maleic anhydrides; (B) a graft copolymer of an alkyl acrylate rubber component and at least two compounds selected from aromatic vinyl compounds, cyanide vinyl compounds, and maleic anhydride compounds; (C) a copolymer of styrene and a cyanide vinyl compound; (D) a copolymer of styrene, .alpha.-methylstyrene, and a cyanide vinyl compound; and (E) a copolymer of styrene, a cyanide vinyl compound, and a maleimide compound. An oil component, a lubricant, a thermal stabilizer, and an antioxidant are added at suitable ratios to the above primary resin.

Abstract: The present invention teaches a method for enabling the formation of a high damping, soft polymer gel. The method includes: reacting in a suitable solvent a poly(alkenyl benzene-co-maleic anhydride) and a primary amine to form a poly(alkenyl benzene-co-maleimide) polymer. The poly(alkenyl benzene-co-maleimide) polymer while remaining in solvent is grafted with a maleated polyalkylene through the use of a grafting agent such as an alkyl diamine to form a polyalkylene grafted poly(alkenyl benzene-co-maleimide) polymer product. The solvent is then removed from the polyalkylene grafted poly(alkenyl benzene-co-maleimide) polymer product and the polymer is mixed with extender such as oil sufficient to form the gel. During oil extension the graft copolymer is further crosslinked due to the presence of additional alkyl diamine.

Abstract: Molding materials (F) which are suitable for the production of shaped articles having reduced surface gloss and are based on polymers or polymer blends (P), preferably ASA polymers and/or styrene/acrylonitrile copolymers, contain a sufficient amount of a dull graft copolymer (A) admixed as dulling agent, which was prepared by one-stage or multistage graft copolymerization of monomers forming the hard shell onto an elastomeric acrylate polymer, the graft copolymerization being carried out to a conversion of more than 15% by thermal or free radical mass or solution polymerization.

Abstract: The present invention provides a thermally resistant resin composition containing PS and PPO, wherein at least one of PS and PPO has an acid group and the acid group is neutralized with a basic metal compound containing a metal element of the group 2B, 3B, 4B or 5B of the periodic table; thermally resistant PS and PPO each with an acid group which is also neutralized in the same manner as described above; and a method for miscible preparation of PS and PPO, wherein at least one of PS and PPO has an acid group and the acid group is neutralized similarly.

Abstract: A composition useful in molding comprises (A) from 10-95% by weight of a syndiotactic styrene resin, (B) from 5-90% by weight of a thermoplastic resin such as a polyolefin, polyester, polyether, polyamide or polycarbonate, and ( ) from 1-15 parts by weight of a rubber polymer such as maleic anhydride-modified or unmodified styrene-(butadiene or isoprene) block copolymer.

Abstract: The invention provides a film having low permeability to hydrocarbons comprising at least one layer (i) formed of a polyamide/polyolefin alloy having a polyamide matrix and at least one layer (ii) formed of a polyolefin. The invention also provides a release film for a sheet molding compound consisting of said film, as well as a packaging for expandable polystyrene formed of said film.

Abstract: A polystyrene-based resin composition, comprising (A) a styrene-based resin with a mainly syndiotactic configuration, (B) a polyolefin, and (C) rubber polymer particles as main components, exhibits excellent heat resistance and impact resistance.

Abstract: Adhesion promoters, adhesive compositions, and adhesive films that adhere well to polar materials contain the product of a reaction between a polyolefin grafted with an ethylenically unsaturated carboxylic acid and/or an ethylenically unsaturated carboxylic acid anhydride, and a polymeric and/or oligomeric polyamine. The reaction product may be blended with an ethylene polymer, such as a low density polyethylene, to form an adhesive composition that bonds well to polar substrates, such as polyurethane foam. The adhesive compositions may be extruded or cast to form adhesive films.

Abstract: A nitrile resin composition having excellent transparency, antistatic properties and practical physical properties. The composition comprises (A) 80 to 97 wt. % of a nitrile resin which is obtained by graft copolymerization, in the presence of 3 to 30 parts by weight of a rubbery polymer containing at least 50 wt. % of a conjugated diene unit, of 100 parts by weight of a monomer mixture containing an unsaturated nitrile and an alkyl methacrylate, and has, as a matrix component, 65 to 80 wt. % of an unsaturated nitrile unit and 20 to 35 wt. % in total of an alkyl (meth)acrylate unit and a unit of a further monomer copolymerizable with the unsaturated nitrile and alkyl (meth)acrylate; and (B) 3 to 20 wt. % of a polyether ester amide, wherein the ratio of the melt viscosity of the component (A) to that of the component (B) at 210.degree. C. is 0.5 to 5 at a shear rate of 10.sup.2 sec.sup.-1 and 0.5 to 3 at a shear rate of 10.sup.3 sec.sup.

Abstract: The present invention relates to a process for producing a thermoplastic resin having high impact strength and good surface gloss, which comprises graft copolymerizing at least a vinyl cyanide compound and at least an aromatic vinyl compound for a short period of less than about 3 hours in the presence of rubber latex having high gel content. The rubber latex can be a mixture of two or more rubber latices having different particle size. The graft copolymer has the characteristics such that the degree of the inner occlusion into the resin is decreased and the degree of surface grafting is increased. Thereby, the resulted thermoplastic resin has a very high impact strength and good surface gloss, and the processability is greatly improved. In addition, when the graft copolymer is polymerized the level of coagulum formation is greatly decreased.

Abstract: An impact modifier for thermoplastic polyamides comprises:(A) an elastomeric olefin copolymer; and(B) a resinous olefin homopolymer or copolymerwherein at least one of (A) and (B) is maleated; andwherein the melt flow index of the resulting composition measured at 230.degree. C. and 2.16 kg weight is at least 3 g per 10 minutes.

Abstract: The invention relates to injected components based on polyamide resin (A) and on at least one copolymer (B) of ethylene and of an unsaturated epoxide, the copolymer (B) being obtained by copolymerization or by grafting the epoxide. The copolymer (B) is advantageously an ethylene/alkyl (meth)acrylate/glycidyl (meth)acrylate copolymer. The melt flow index of the compositions containing (A) and (B) is greater than the ratio of the melt flow index of (A) over 0.175 times the weight percentage of (B).

Abstract: The present invention provides a highly impact resistant polyamide composition which comprises a polyamide resin and an acid modification product of a metallocene catalyzed polyolefin elastomer. The invention also provides a less hygroscopic and highly impact resistant polyamide composition which comprises a polyamide resin, novolak phenol and an acid modification product of a metallocene catalyzed polyolefin elastomer. Used as the polyamide resin is less expensive nylon 6.