Abstract: The invention relates to a transparent composition comprising, by weight, the total being 100%: 5 to 40% of an amorphous polyamide (B) which results essentially from the condensation: either of at least one diamine chosen from cycloaliphatic diamines and aliphatic diamines and of at least one diacid chosen from cycloaliphatic diacids and aliphatic diacids, at least one of these diamine or diacid units being cycloaliphatic, or of a cycloaliphatic ?,?-aminocarboxylic acid, or of a combination of these two possibilities, and optionally of at least one monomer chosen from ?,?-aminocarboxylic acids or the possible corresponding lactams, aliphatic diacids and aliphatic diamines, 0 to 40% of a supple polyamide (C) chosen from copolymers containing polyamide blocks and polyether blocks and copolyamides, 0 to 20% of a compatabilizer (D) for (A) and (B), 0 to 40% of a supple modifier (M), with the condition that (C)+(D)+(M) is between 0 and 50%, the remainder to 100% being a semi-crystalline polyamide (A).

Abstract: A composition comprises an impact modifier and a compatibilized blend of a poly(arylene ether) and an aliphatic-aromatic polyamide. The polyamide is composed of dicarboxylic acid units comprising 60 to 100 mol % of terephthalic acid units and diamine units comprising 60 to 100 mol % of 1,9-nonanediamine units and/or 2-methyl-1,8-octanediamine units. The aliphatic-aromatic polyamide has a melt viscosity greater than or equal to 2000 Pa-s at a shear of 1000 second?1 and a temperature of 330° C. and the composition has a melt viscosity greater than or equal to 160 Pascal seconds (Pa-s) at a shear of 1500 second?1 (s?1) and a temperature of 330° C.

Abstract: A Polymer compositions that features high degree of toughness, very good processability and extremely high gloss is disclosed. The composition contains (I) a graft rubber polymer obtained by emulsion polymerization of styrene and acrylonitrile in the presence of a mixture of (A) a butadiene polymer latex having a mean particle diameter d50?250 nm, a particle size distribution width of 20 to 80 nm and a gel content of 30 to 95 wt. %, (B) a butadiene polymer latex with a mean particle diameter d50>250 to 350 nm, a particle size distribution width of 30 to 100 nm and gel content of 30 to 80 wt. %, and (C) a butadiene polymer latex (C) with a mean particle diameter d50>350 nm, a particle size distribution width of 40 to 150 nm, and a gel content of 50 to 95 wt. %. and (II) a rubber-free copolymer of styrene and acrylonitrile. At least one of (A), (B) and (C) is a product of seed polymerization.

Abstract: According to a first form, the present invention relates to a compatibilizer composed of a polyolefin backbone and of polyamide grafts in which: the grafts are attached to the backbone via the residues of an unsaturated monomer (A) having a functional group which acts as activator in the polymerization of lactains and which is not an isocyanate functional group, the residues of the unsaturated monomer (A) are fixed to the backbone by grafting from its double bond. The invention also relates to a process for the preparation of these compatibilizers in which, after the preparation of the backbone comprising the monomer having an activating functional group, the precursor lactam of the grafts and a catalyst are added and heating is carried out in order to obtain anionic polymerization of the lactam which spreads starting from the activating functional group. Subsequently, the compatibilizer and the polyamide which has formed apart from the grafts are optionally separated.

Abstract: Functionalized propylene polymer compositions useful as coupling/compatibilizing agents are provided. The compositions are a mixture of two different functionalized propylene polymers. Polypropylene composites containing fillers and/or non-compatible resins and formulated using the mixed functionalized coupling/compatibilizing agents are also provided.

Abstract: The present invention provides polymer compositions of special graft rubber polymers, in the production of which are employed rubbers with defined particle diameters obtained by seed polymerization using seed latex particles with defined particle diameters.

Abstract: A thermoplastic resin composition composed of a thermoplastic resin and a polyamide elastomer in which the polyamide elastomer contains at least 50 weight % of a polyetheramide elastomer prepared by polymerization of a tri-block polyetherdiamine compound, a polyamide-forming monomer is an aminocarboxylic acid and/or a lactam compound, and a dicarboxylic acid compound, in which the tri-block polyetherdiamine compound has the formula (1): [each of x and y is an integer of 1 to 20, and y is an integer of 4 to 50].

Abstract: The present invention is a process for producing branched polycarbonate providing for optimum utilization of the branching agent. It was surprisingly found that adding at least a portion of the coupling catalyst to the polymerization at a point during the oligomerization in the reaction results in a higher degree of branching and improved rheological properties.

Abstract: Modified polyurethanes based on polyurethane reactive systems composed of at least one organic polyisocyanate and a polyol formulation, which additionally contains at least one polymer modifier and at least one filler are prepared. These modified polyurethanes are useful in the production of electroplated/metallized molded articles.

Abstract: The present invention is a thermoplastic elastomer resin composition comprising (A) 50 to 90% by weight of a urethane-based thermoplastic elastomer; (B) 5 to 45% by weight of polar group-containing thermoplastic elastomer; and (C) 5 to 45% by weight of a thermoplastic elastomer, and a shaped article, which is excellent in moldability, oil resistance scratch and softness.

Abstract: Improved multi-phase polypropylene composites are provided. The compositions are comprised of a polypropylene base resin, a non-compatible dispersed phase which can be a polymer or filler material and a propylene-ethylene copolymer grafted with a carboxylic acid or carboxylic acid derivative.

Abstract: The invention concerns thermoplastic polymeric compositions, comprising polyamide, having a high plastic strain temperature and good paintability. Said compositions comprise a polyamide, a rubber copolymer and vinyl monomers, made compatible by a styrene polymer.

Abstract: A moldable thermosetting composition comprises a poly(arylene ether), a thermosetting resin, a toughening agent, and an amine cure agent. The compositions may be conveniently prepared without solvents, and the poly(arylene ether) may be provided in the form of an easily dissolved solid concentrate with the thermosetting resin.

Abstract: A substantially transparent antistatic, impact resistant, molding composition comprises a miscible mixture of a polycarbonate resin and a cycloaliphatic polyester resin, and an antistatic polymeric material wherein the mixture of the polycarbonate and the cycloaliphatic polyester resin is present in suitable proportions for substantially matching the index of refraction of the antistatic polymeric material.

Abstract: A two-part acrylic structural adhesive comprises a first package containing from about 10 to about 90 percent by weight of at least one ethylenic unsaturated methacrylic ester selected from the group consisting of 1) an alkyl mono-, di- or tetra-substituted cyclohexyl methacrylate, wherein the substitutions occur in either the 3, 4, and/or 5 ring positions, and 2) a linear or branched C4–C10 alkyl methacrylate; from about 10 to about 80 percent by weight of a toughener, and an adhesion promoter; and a second package containing a bonding activator, and, optionally, an epoxy resin.

Abstract: The invention relates to an impact additive of the core/shell type for thermoplastic polymers. This impact additive comprises a crosslinked elastomeric core based on n-alkyl acrylate and a shell made of poly(alkyl methacrylate) grafted onto said core.

Abstract: The invention relates to thermoplastic compositions in which (A) an isotactic polypropylene, optionally containing comonomer, with a melting point of at least 110° C. and (B) a polyamide, (A) and (B) constituting at least 70 wt %, are blended with (C) at least 2 wt % of a grafted functionalized propylene-based elastomer having isotactic crystallinity and containing at least 0.25 wt % of MAH-derived units based on the total weight of (C). Optionally (D) an ungrafted polyolefin may be added with a melting point of less than 100° C., (C) and (D) combined being at least 8 wt % and the wt % of (A), (B), (C) and (D) being calculated on the basis of the total polymer weight of the thermoplastic composition.

Abstract: A composition comprising, by weight, the total being 100%: a semi-crystalline polyamide (A); 5 to 40% of an amorphous polyamide (B) which results from the condensation: of (B1) at least one cycloaliphatic diamine or aliphatic diamine, with at least one cycloaliphatic diacid or aliphatic diacid, at least one of the diamine or diacid units being cycloaliphatic, or (B2) of a cycloaliphatic ?,?-aminocarboxylic acid, or (B3) of a combination of (B1), and (B2), and optionally at least one of (B1), (B2) and (B) being condensed with at least one monomer selected from the group consisting of a ?,?-aminocarboxylic acid or the corresponding lactam, an aliphatic diacid, and an aliphatic diamine; 0 to 40% of a supple polyamide (C) selected from the group consisting of (C1) copolymers containing polyamide blocks and polyether blocks, and (C2) copolyamides; 0 to 20% of a compatabilizer (D) for (A) and (B); 0 to 40% of a supple modifier (M); with the condition that (C)+(D)+(M) is between 0 and 50%, the remainder to 100% b

Abstract: Provided is a polyamide composition comprising 100 parts by weight of (A) a polyamide having dicarboxylic acid units containing 60 to 100 mol % of terephthalic acid units, and diamine units containing 60 to 100 mol % of 1,9-nonanediamine units and/or 2-methyl-1,8-octanediamine units, and 5 to 100 parts by weight of (B) a titanium oxide with an average particle size of 0.1 to 0.5 ?m. The polyamide composition shows excellent heat resistance enough to withstand the SMT process, and gives a molded article with excellent whiteness and surface-reflectance.

Abstract: The present invention provides a resin composition comprising a vinyl polymer (A) having, at a side chain thereof, at least one structure selected from polyether, polyester, polycarbonate or polybutadiene which has a functional group that can react with an isocyanate group, and a polyisocyanate compound (B) having at least two isocyanate groups; a sheet made of a hardened body of the resin composition; a shaped body formed by shaping the sheet; and a sheet producing process comprising the steps of applying the resin composition and then hardening the resultant layer.

Abstract: The present invention provides plastics with high toughness and the preparation thereof. The plastics with high toughness, which have the balance of stiffness and toughness, stable properties and good processability, are obtained by blending the rubber particles having an average particle size of 20 to 200 nm with the pseudoductile plastics, wherein the weight ratio of the rubber particles to the plastics is from 0.5:99.5 to 70:30. The present invention also provides plastics with both high stiffness and high toughness and the preparation thereof. The plastics with both high stiffness and high toughness, which have also an improved heat resistance and good processability, are prepared by blending the rubber particles having an average particle size of 20 to 500 nm and the crystalline plastics, wherein the amount of the rubber particles added in the plastics matrix is from 0.3 to 5 weight parts.

Abstract: A low gloss thermoplastic molding composition comprising a grafted acrylate rubber (ASA) and a process for its preparation are disclosed. The composition contains an effective amount of a gloss-reducing agent that is the reaction product of (i) compound having two or more maleic anhydride groups per molecule and (ii) compound having two or more terminal primary amine groups per molecule. The incorporation of the gloss reducing agent in the inventive composition may be by blending the reaction product or, in the alternative, blending the reactants (i) and (ii) in the molten ASA under process conditions designed to bring about the in situ formation of the inventive gloss reducing agent.

Abstract: A multiple layer structure comprising a first and a second skin layer, each skin layer composed of a polypropylene containing polymer, and a radio frequency (“RF”) susceptible layer adhered to and between the first and second skin layers. The RF layer has a first component of a propylene based polymer, a second component of a non-propylene polyolefin, a third component of a radio frequency susceptible polymer, and a fourth component of a polymeric compatibilizing agent.

Abstract: A thermoplastic molding composition that features a combination of extremely good toughness, good processability, adjustable surface gloss, good inherent color and reduced opacity is disclosed. The composition contains A) a graft rubber that is the product of free-radical emulsion polymerization using a peroxodisulfate initiator, B) a graft rubber that is the product of free-radical emulsion polymerization using an azo compound initiator and C) a graft polymer that is the product of solution, bulk or suspension polymerization.

Abstract: A high performance thermoplastic hose useful as a power steering hose, the high performance thermoplastic hose comprising a high performance engineering thermoplastic such as polyurethane and a chlorine-containing polyolefin such as chlorinated polyethylene, chlorinated polypropylene, chlorinated copolymers containing ethylene and propylene, chlorosulfonated polyethylene, chlorosulfonated polypropylene, chlorosulfonated copolymers of ethylene and propylene or mixture thereof, is disclosed. Also disclosed are a method for manufacturing the high performance thermoplastic hose, and a thermoplastic vulcanizate capable of resisting chemical attack and withstanding temperatures up to about 300° F.

Abstract: Polyoxymethylene resin composition comprising 40 to 99.5 parts by weight of polyoxymethylene resin (A), and 0.5 to 60 parts by weight of resin consisting of a polyamide elastomer (B) and an acid-modified olefinic resin (C) having an acid modification rate of 0.05 to 15 wt. %, a ratio of (B)/(c) being in a range of 10/90 to 90/10 % by weight, has a much distinguished impact resistance and a good antistatic property, while maintaining the heat stability inherent to the polyoxymethylene resin, as compared with the conventional one, and is suitable for use in OA appliances, VTR appliances, music-image-information appliances, communication appliances, automobile interior and exterior furnishings and industrial sundries.

Abstract: Multiple component polymer compositions for fabrication into articles. In particular, polymeric compositions comprising a heat resistant polymer; a radio frequency (“RF”) susceptible polymer; a compatibilizing polymer; the composition having physical properties within a range a<40,000 psi; b>=70%; c<30%; d>1.0; e<0.1%; f<0.1%; g>=0.05; h<=60%; i=0; wherein: a is the mechanical modulus of the composition measured according to ASTM D-882; b is the percent recovery in length of the composition after an initial 20% deformation; c is the optical haze of the composition being 9 mils in thickness according to ASTM D-1003; d is the loss tangent of the composition at 1 Hz measured at melt processing temperatures; e is the elemental halogen content by weight of the composition; f is the low molecular weight water soluble fraction of the composition; g is the dielectric loss between 1 and 60 MHz and over temperatures of 25 to 250° C. of the composition; h sample creep measured at 121° C.

Abstract: A resin composition obtained by blending a thermoplastic resin that can be melt-extruded at a solubility parameter of not smaller than 9.5 with an organic oxidizing component and with a transition metal catalyst, the organic oxidizing component being a polyene having a functional group on a side chain or at a terminal thereof. The resin composition has excellent moldability and gas shut-off property. A multi-layer container having an oxygen-absorbing layer of this resin composition exhibits excellent gas-barrier property and is capable of favorably preserving the content.

Abstract: An adhesive composition that includes a) an emulsion that includes a multi-stage polymer that includes a first stage polymer having a Tg from ?20° C. to 90° C. and including from about 0.5% by weight to about 3% by weight latent crosslinking monomer based on the first stage monomer weight, and a second stage polymer having a Tg from 40° C. to 140° C., the second stage polymer being different from the first stage polymer, b) formaldehyde-based crosslinking agent, and c) catalyst, the composition being capable of passing the DIN EN 204 Test Method.

Abstract: The present invention relates to a polyamide composition comprising (A) polyamide, (B) polyphenylene ether, and (C) an ethylene-?-olefin copolymer prepared using a single site catalyst. The resin composition of the present invention can provide a polyamide composition having excellent impact resistance and excellent surface smoothness, and displaying only small dimensional changes after water absorption.

Abstract: A composition comprising a thermoplastic polymer having incorporated therein a crosslinked phase derived from the reaction of: (A) a copolymer made from ethylene and an unsaturated epoxide, a polyolefin grafted with an unsaturated epoxide, or a product having two epoxide groups, (B) a copolymer made from ethylene and an unsaturated carboxylic acid anhydride, and (C) a copolymer made from an unsaturated carboxylic acid or an ?,?-aminocarboxylic acid.

Abstract: Polymers containing N-phenylimide groups are made by reacting polymers containing succinic or glutaric anhydride groups with a substituted or unsubstituted aminobenzoic acid in a devolatilizing extruder at a barrel temperature of about 180° to about 320° C., whereby complete decarboxylation takes place during the formation of the N-phenylimide groups.

Abstract: A thermoplastic molding composition comprises a resin composition having 50 to about 90 weight percent of a polyester, about 8 to about 48 weight percent of a polyetherimide, about 2 to about 25 weight percent of a high rubber graft impact modifier, each based on the total resin composition, and up to about 15 weight percent of a particulate filler. A making the composition comprises pre-melt compounding a polyester, a polyetherimide, and a high rubber graft impact modifier to form a pre-compounded blend, wherein the pre-compounded blend has a Tg of greater than or equal to about 110° C.; and dry-blending a crystallized polyester with the pre-compounded blend to form the molding composition. Such molding compositions are particularly useful in blow-molding container for liquids such as beer.

Abstract: A thermoplastic molding composition comprising a grafted acrylate rubber (ASA) and a gloss reducing agent and a process for making the same are disclosed. The gloss reducing agent is the reaction product of (i) an epoxidized grafted rubber having two or more epoxy groups in its graft phase and (ii) a compound having two or more terminal primary amine groups per molecule The gloss reducing agent may be either incorporated in ASA as the reaction product of (i) and (ii) or, in the altemative, formed upon the reaction of (i) with (ii) in the course of the thermal processing of the a blend containing ASA, (i) and (ii).

Abstract: This invention relates to high molecular weight block copolymers of &egr;-caprolactone and &ohgr;-lauryl lactam prepared by sequential bulk polymerization using a mixture of at least one anionic polymerization initiator and optionally at least one co-initiator. A preferred continuous sequential bulk reactive extrusion process comprises feeding a mixture of &ohgr;-lauryl lactam, at least one anionic polymerization initiator, and at least one co-initiator into the first (i.e., upstream) hopper of an extruder, and thereafter feeding &egr;-caprolactone into a second (i.e., downstream) hopper of the extruder. The preferred continuous sequential bulk reactive extrusion is solvent free, rapid (typical mean and maximum residence times in the extruder being no more than about 20 minutes and 30 minutes respectively), and produces a high conversion of monomers to block copolymer.

Abstract: Resins and oligomer materials and/or combinations thereof grafted with an unsaturated acid or anhydride, such as maleic anhydride, are disclosed herein. The grafted materials are useful in adhesive formulations, particularly in hot melt adhesive applications.

Abstract: A composition and articles, e.g. computer casings comprising, per 100 parts by weight: 99 to 60 parts of a styrene polymer (A), 1 to 40 parts of (B)+(C), (B) being a copolymer containing polyamide blocks and polyether blocks comprising essentially ethylene oxide units —(C2H4—O)—, (C) being a compatibilizer chosen from (C1) low-mass copolymers of styrene and of an unsaturated carboxylic acid anhydride, (C2) copolymers of ethylene and of an unsaturated carboxylic acid anhydride, (C3) copolymers of ethylene and of an unsaturated epoxy, (C4) block copolymers (C4) SBS or SIS grafted by an unsaturated carboxylic acid or an unsaturated carboxylic acid anhydride and mixtures thereof, the weight ratio (B)/(C) being between 2 and 10.

Abstract: The invention relates to a coloured paint, suitable for the printing of films made from transparent, thermoplastic plastics, essentially comprising: a) one or more pigments, b) a binding agent, dissolved in c) an organic solvent or a mixture of organic solvents and d) usual adjuncts, characterised in that a poly(meth)acrylate or a poly(meth)acrylimide compound is used as binding agent with a vicat softening temperature VET (ISO 306 B) of at least 115° C. The invention further relates to printed films and insert-moulding pieces, produced using the above paint and the corresponding method for production and uses of the said insert-moulding pieces.

Abstract: A pipe whose at least interior wall structural component is comprised of: I. from 40 to 80 parts by weight of a polyamide, and II. from 60 to 20 parts by weight of a flexible polymer whose main chains consist of carbon atoms, where the amounts of I and II in parts by weight total 100, the pipe being useful for the piping of aqueous, aqueous-alcoholic or purely alcoholic liquids.

Abstract: A thermoplastic molding composition comprises a resin composition having 50 to about 90 weight percent of a polyester, about 8 to about 48 weight percent of a polyetherimide, about 2 to about 25 weight percent of a high rubber graft impact modifier, each based on the total resin composition, and up to about 15 weight percent of a particulate filler. A making the composition comprises pre-melt compounding a polyester, a polyetherimide, and a high rubber graft impact modifier to form a pre-compounded blend, wherein the pre-compounded blend has a Tg of greater than or equal to about 110° C.; and dry-blending a crystallized polyester with the pre-compounded blend to form the molding composition. Such molding compositions are particularly useful in blow-molding containers for liquids such as beer.

Abstract: A low gloss thermoplastic composition suitable for making article having low gloss and a process for its preparation are disclosed. The composition contains (I) a resinous component that includes (a) a (co)polyalkyl (meth)acrylate rubber characterized that it contains no grafted phase, (b) a poly(vinyl aromatic-co-nitrile)-grafted (co)polyalkyl (meth)acrylate rubber, and (c) a poly(vinylaromatic-co-nitrile), and (II) a gloss-reducing agent that is the reaction product of (d) a compound having two or more maleic anhydride groups per molecule, and (e) a compound having two or more terminal primary amine groups per molecule, with the proviso that the total of the maleic anhydride groups per molecule and the terminal primary amine functional groups per molecule is greater than 4.

Abstract: A polyamide composition for molded products having thin-wall parts and for connectors for use in automobiles, containing:

Abstract: The present invention provides a thermosetting composition which is excellent especially in storage stability and solid physical properties and can be used as automotive body sealers or undercoats. The thermosetting composition according to the present invention comprises an acrylic plastisol consisting of a plasticizer having acrylic resin particles having a gradient-type structure in which the monomer unit proportion changes from the core to the shell multistep-wise or continuously and a filler dispersed therein and therewith formulated, as a thermosetting material, a blocked urethane prepolymer or blocked polyisocyanate compound and a latent curing agent therefor.

Abstract: Polymer compositions comprising

Abstract: A thermoplastic polyamide molding composition having improved impact strength is disclosed. The composition contains polyamide, an electrically conductive carbon in particulate form and a graft polymer. In one preferred embodiment the composition further contains mineral particles. The composition is especially suitable for direct online lacquering without the necessity for pre-treatment of the molding with an electrically conductive primer system.

Abstract: A means to improve thermoplastic formulations in terms of the physical properties they exhibit, such as impact strength and ductility, have been developed. The addition of a block chlorinated polyolefin (b-CPO) to polymer blends in which at least one component comprises a halogen-free hydrogen-bond acceptor polymer, achieves the desired enhancement. The synergetic effect of the b-CPO with the selected polymer blend is demonstrated. Blends of thermoplastic polyurethanes, polycarbonates, copolyesters and copolyamides with a blend partner such as thermoplastic polyolefins, styrenic copolymers such as styrene acrylonitrile copolymers, styrene ethylene butylene styrene copolymers, high rubber graft copolymers such as acrylonitrile butadiene styrene copolymers, methylmethacrylate butadiene styrene copolymers and the b-CPO have enhanced ductility and impact resistance. The addition of 0.5 wt.

Abstract: A process for making an aqueous emulsion of self-emulsifiable polyolefin employs a high molecular weight functionalized polyolefin and a hydrophilic polymer. The aqueous emulsion can be used to prepare a hybrid polyolefin-polyurethane dispersion useful, inter alia, as an adhesion-promoting coating for polymers such as the polyolefins.

Abstract: Polymers grafted with a compound of formula I, formula (I) wherein the general symbols are as defined in claim 1, have outstanding stability against oxidative, thermal, dynamic, light-induced and/or ozone-induced degradation.

Abstract: A thermoplastic molding composition that contains a plurality of graft rubbers is disclosed. A first graft rubber is a product of emulsion polymerization of a mixture containing styrene and acrylonitrile in the presence of butadiene polymer latex (A) having an average particle diameter (d50) of 80 to 220 nm. An additional graft rubber is a product of emulsion polymerization of a mixture containing styrene and acrylonitrile in the presence of butadiene polymer latex (B) having an average particle diameter (d50) of 350 to 650 nm. The butadiene polymer latex (A) is the product of seed polymerization in which seed is butadiene polymer latex having a median particle diameter of 10 to 100 nm, and the butadiene polymer latex (B) is the product of agglomeration in which butadiene polymer latex (A) is the starting latex.

Abstract: A thermoplastic molding composition that features constancy of properties, especially toughness and processability is disclosed. The composition contains a first graft rubber polymer that is a product of emulsion polymerisation of styrene and acrylonitrile in the presence of a butadiene polymer latex (A) with a mean particle diameter d50 of 80 to 220 nm, a second graft rubber polymer obtained by emulsion polymerisation of styrene and acrylonitrile in the presence of a butadiene polymer latex (B) with a mean particle diameter d50 of 340 to 480 nm, and a rubber-free copolymer of styrene and acrylonitrile. Importantly, the butadiene polymer latex (A) is the product of seed polymerization using a seed latex with a mean particle diameter of 10 to 100 nm, and the butadiene polymer latex (B) is the product of seed polymerisation using the butadiene polymer latex (A) as seed latex.