Abstract: Polyamide moulding materials which have been impact-modified with diene and/or acrylic rubbers and can be processed by thermoplastic means and contain special diphenols.

Abstract: Disclosed is an ionomer composition comprising (A) an ionomer formed by neutralizing a carboxyl group of an ethylene/unsaturated carboxylic acid copolymer with an transition metal cation, (B) a polyamide and (C) a polyamide oligomer having a terminal group of the molecule chain blocked with a primary amino group. Since two polyamide components differing in the degree of polymerization are incorporated in this ionomer composition, excellent characteristics of the ionomer resin are related in the ionomer composition, and the mechanical strength at high temperatures, the formability and the transparency are prominently improved.

Abstract: Polymer compositions are provided which are capable of being formed into shaped articles and comprise a poly(2-methylpentamethylene terephthalamide), also known as nylon M5T, and a minor amount of an ionomer, e.g., a partially neutralized copolymer of an alpha-olefin and an alpha, beta-ethylenically unsaturated carboxylic acid. In particular, the compositions may be melt spun and drawn into filaments having good mechanical properties.

Abstract: The ionomer salt of low molecular weight copolymer reaction product of a copolymer acid of an .alpha.-olefin and an unsaturated carboxylic acid, and at least one amino acid compound, and a cation containing material. The unsaturated carboxylic acid is preferably an .alpha.,.beta.-ethylenically unsaturated carboxylic acid. The present invention includes a method of preparing the ionomer. The ionomer has excellent compatibility with other polymers, particularly polyamides. The ionomer is useful in a method to flush water from pigments.

Abstract: Alkali-soluble resins, their preparation and use are disclosed herein. The resins are carboxylated polyamide/acrylic resins and are synthesized in a two-step fusion process in which a polyamide is first condensed with a carboxylated rosin and this intermediate product is then further condensed with an acrylic or styrene/acrylic copolymer.

Abstract: Novel water-soluble compositions are described. In particular, water soluble polyamide-acrylic, polyamide-styrene acrylic and polyamide-styrene maleic resins are disclosed as well as novel methods for their production.

Abstract: Curable compositions based on (N-substituted carbamoyloxy)alkanoyloxyalkyl acrylate polymers. When cured the compositions are, for example, high-quality industrial finishes, sealants or encapsulants.

Abstract: A thermoplastic resin composition comprises a polyphenylene ether having a reduced viscosity within the range of 0.30 dl/g or more and less than 0.45 dl/g, an aliphatic polyamide, a specified compatibilizing agent, and a rubber material. The composition has a high in heat distortion temperature and is superior in processability.

Abstract: The invention relates to a pressure-sensitive conductive elastomer compound which exhibits high resistance (insulating performance) when it is in non-pressed condition and the resistance of which, as the compound is pressed, varies according to the magnitude of the pressure. The compound comprises a matrix material having insulating and elastomeric properties and baked and carbonized conductive spherical particles of a macromolecular material incorporated and dispersed into the matrix material. The conductivity of the conductive particles varies according to the degree of their carbonization.

Abstract: In a method and apparatus for the production of thermoplastic, caprolactam containing molding compositions by hydrolytic polymerization of caprolactam in stirrer autoclaves in which a molten mass is polymerized at pressures of 5 to 20 bar and temperatures of 220.degree. to 280.degree. C., the molten mass is transferred into an intermediate vessel to which vacuum is applied for continued polymerization and removal of volatile portions. Subsequently, the mass is continuously fed into a multi-screw extruder, in order to attain at increased temperatures and vacuum the desired polymerization degree and the desired monomer and oligomer contents. In a subsequent zone of the extruder, when desired, additional agents are worked in, whereafter a further degasification occurs in the end zone of the extruder, whereafter the mass is extruded, quenched, subdivided and dried. The method and apparatus use relatively little energy as compared with the prior art.

Abstract: A method of producing shaped articles having excellent impact resistance which includes melt-molding a composition derived from a saponified ethylene-vinyl acetate copolymer (A) by incorporating therein an ethylene-propylene copolymer elastomer (B) and a graft polymer (C) obtained by grafting an ethylenically unsaturated carboxylic acid or a derivative thereof to a polyolefin resin and reacting the resulting grafting product further with a polyamide oligomer or polyamide.

Abstract: A thermoplastic elastomer composition having a flexural modulus as defined in JIS K7203-1982 of from 500 to 15,000 kg/cm.sup.2, which is obtainable by melt kneading(A) from 20 to 60 parts by weight of a polyamide resin with(B) from 40 to 80 parts by weight of an ethylene copolymer comprising (a) from 40 to 90% by weight of an ethylene unit, (b) from 5 to 60% by weight of an .alpha.,.beta.-unsaturated carboxylic acid alkyl ester unit, and (c) from 0.3 to 10% by weight of a maleic anhydride unit, to obtain a composition (I), and further melt kneading 100 parts by weight of the composition (I) with(C) from 0.01 to 10 parts by weight of magnesium hydroxide having a specific surface area of no more than 20 m.sup.2 /g as measured by the Brunauer-Emmett-Teller method, is disclosed.

Abstract: Novel thermoplastic elastomeric molding compositions having excellent physical properties, which comprise a polyetherimide ester elastomer modified with a modifier composition comprising (i) at least one olefin acrylate copolymer; or (ii) at least one ethylene vinyl acetate copolymer; or a combination of (i) and (ii).

Abstract: The present invention concerns the polyolefin resin compositions wherein acrylic oligomers, polydiene and chlorinated polyolefins which contain 10-60 weight % chlorine are graft copolymerized. Films of the polyolefin resin compositions have good adhesive properties, moisture-resistant properties and appearance.

Abstract: 4-component thermoplastic molding compositions which are easily processed on injection molding or extrusion machinery consisting essentially of amorphous copolyamides which can be produced from inexpensive raw materials, inexpensive elastomeric block polyetherpolyamides and block polyetheresterpolyamides as well as commercially available modified copolyolefins and are distinguished by high cold impact resistance, good ductility, variably adjustable rigidity which is independent of the degree of humidity and excellent pigment compatibility as well as by good stress crack resistance, thermal and dimensional stability.

Abstract: Polymeric flame retardants comprise halogenated aromatic compounds having acylamino functional groups which are chemically bonded to cyclic imide-containing or imide-forming polymers or copolymers. The polymeric flame retardants are prepared by the reaction of halogenated aromatics containing a reactive hydrazido group with some or all of the anhydride groups of an cyclic alpha, beta-unsaturated dicarboxylic acid anhydride polymer or copolymer to form pendant halogenated-aromatic-substituted imide or amic acid groups. In addition, polymeric film retardants are used to render thermoplastic resins less flammable under conditions which promote combustion. Novel flame retardant hydrazides are disclosed.

Abstract: Hot melt adhesive composition of ethylene copolymer grafted with lactam oligomer, characterized by improved melt flow characteristics.

Abstract: An acrylic rubber composition is proposed which is improved in respect of the extrusion-moldability as well as the surface slipperiness of the vulcanized article obtained therefrom. The composition comprises (a) an acrylic rubbery cooplymer which is a copolymer of a (meth)acrylic ester and a coolymerizable organosilicon compound having a silicon-bonded vinyl group in a molecule, (b) a reinforcing filler, (c) a powder of spherical particles having a specified average particle diameter and (d) an organic peroxide as a vulcanizing agent. The composition can be compounded further with a blowing agent to give a foamable rubber composition capable of being vulcanized into a spongy rubber body exhibiting excellent feeling on touch and slipperiness in contact with human skin to be useful, for example, as a material of cosmetic puffs.

Abstract: The subject invention provides a composition having excellent extrusion characteristics comprising a difficulty-melt-processible polymer and 0.002-0.5 wt. % of one or more fluoropolymer process aids wherein the fluoropolymer has a fluorine to carbon ratio of at least 1:2, is capable of forming a die-coating film under the prevailing conditions of extrusion temperature and pressure, and contains an effective amount of polar functional polymer chain end groups, --W, wherein --W is selected from --COF, --SO.sub.2 F, --SO.sub.3 M, --OSO.sub.3 M, --COOR, and --COOM, wherein R is C.sub.1-3 alkyl and M is hydrogen, a metal cation, preferably an alkali or alkaline earth metal cation, or a quaternary ammonium cation.

Abstract: Polyolefin type coating resin compositions obtained by copolymerizing acrylic type oligomers, polydienes, acrylic type monomers and chlorinated polyolefins containing 10-60 weight % chlorine in the existence or the absence of the Hardener. The obtained copolymers are used for coatings, printing inks or adhesives applying as one coat finish or primer to give excellent coating films of adhesive property, solvent resistance and the appearance.

Abstract: The ionomer salt of low molecular weight copolymer reaction product of a copolymer acid of an .alpha.-olefin and an unsaturated carboxylic acid, and at least one amino acid compound, and a cation containing material. The unsaturated carboxylic acid is preferably an .alpha., .beta.-ethylenically unsaturated carboxylic acid. The present invention includes a method of preparing the ionomer. The ionomer has excellent compatibility with other polymers, particularly polyamides. The ionomer is useful in a method to flush water from pigments.

Abstract: A vinylidene fluoride resin composition which comprises (A) 10 to 95 parts by weight of a vinylidene fluoride resin, (B) 1 to 80 parts by weight of a resin having a poor compatibility with said vinylidene fluoride resin (A), and (C) 1 to 30 parts by weight of a resin having an excellent compatibility with both said vinylidene fluoride resin (A) and said resin (B), total amount of said resins (A), (B) and (C) being 100 parts by weight. The film obtained by baking the composition of the present invention has the structure that the surface side is rich in the VdF resin, and the excellent adhesion to the substrate. Consequently, the film has the excellent chemical resistance, adhesion to a substrate, and the like.

Abstract: It has now been found that a unique combination of additives makes semi-crystalline polyamides readily processible by extrusion blowmolding to make hollow, stiff parts of various shapes. The compositions consist essentially of a semicrystalline polyamide, a selected ionomeric toughening agent, and an anhydride-rich ethylene copolymer.

Abstract: Copolymers which containa) from 50 to 90% by weight of C.sub.8 -C.sub.40 -alkyl methacrylates, vinyl esters of C.sub.8 -C.sub.40 -carboxylic acids or mixtures thereof andb) from 10 to 50% by weight of monoethylenically unsaturated C.sub.3 -C.sub.12 -carboxylic acids, monoethylenically unsaturated dicarboxylic anhydrides, monoesters or monoamides of monoethylenically unsaturated C.sub.4 -C.sub.12 -dicarboxylic acids, amides of C.sub.3 -C.sub.12 -monocarboxylic acids or mixtures thereofas copolymerized units and have molecular masses of from 500 to 30,000 are used in at least partially neutralized form in aqueous solution or dispersion for making leather and furs water repellent.

Abstract: It has now been found that a unique combination of additives makes semi-crystalline polyamides readily processible by extrusion blowmolding to make hollow, stiff parts of various shapes. The compositions consist essentially of semicrystalline polyamide, a selected toughening agent and an anhydride-rich ethylene copolymer.

Abstract: Medical tubing is extruded from a composition of a divalent metal ionomer, polyamide and polyurethane, preferably in the ranges of 60-80% of ionomer, 10.gtoreq.25% polyamide and 10-20% polyurethane. After extrusion the tubing may be sterilized with ethylene oxide or gamma irradiation. The tubing is substantially kink-resistant and the degree of stiffness and mechanical strength can be adjusted by varying the amount of polyamide and polyurethane so that the tubing can efficiently function as a catheter.

Abstract: This invention is directed to polymers (including oligomers) that contain (N-substituted carbamoyloxy)alkanoyloxyalkyl acrylates, to a process for their preparation by reacting the carbamoyloxy alkanoyloxyalkyl acrylates with themselves, with lactone acrylates, and/or with other ethylenically unsaturated monomers, and to coating, ink, adhesive, and sealant compositions (including the cured coatings, inks, adhesives, and sealants) that are obtained by curing the above compositions by various means. The cured compositions, which are, for example, high-quality industrial finishes, sealants or encapsulants, are preferably made by incorporation of various conventional crosslinking agents and other normally-used formulating ingredients with the polymeric compositons of the invention.

Abstract: Tough, high melt flow, low molecular weight polyamide compositions containing toughening polymers are obtained by blending conventional polyamides with the toughening polymer and then mixing the blend with very low molecular weight polyamides which are capable of reacting with the conventional polyamide by transamidation.

Abstract: Disclosed is an olefin polymer of having a number average molecular weight of 500 to 50,000 and having an acid anhydride group only at a terminal thereof, and a resin composition containing the olefin polymer. When the olefin polymer having an acid anhydride group only at a terminal thereof is blended with a polyamide, a resin composition having extremely improved toughness, particularly in tensile elongation as compared to the polyamide alone can be obtained.

Abstract: A thermoplastic methacrylimide-containing polymer comprising 2 to 100% by weight of structural units represented by the following formula (I): ##STR1## wherein R is hydrogen or a hydrocarbon group having 1 to 20 carbon atoms, and 0 to 98% by weight of structural units derived from an ethylenically unsaturated monomer, wherein the content of iron in the polymer is not larger than 20 ppm and the difference between the maximum value and minimum value of the degree of imidization is preferably not larger than 5% by weight. This methacrylimide-containing polymer is used alone or as a blend thereof with another thermoplastic polymer.

Abstract: Partially grafted flexible thermoplastic compositions formed by melt blending under high shear, a thermoplastic material having available graft sites, said thermoplastic material being at least one continuous phase of the composition, an ethylene copolymer containing an unsaturated mono-carboxylic acid, and a polymeric grafting agent having reactive groups capable of reacting with the mono-carboxylic acid in the ethylene copolymer and with the available graft sites in the thermoplastic material. These compositions have use in a wide range of molding, coating and adhesive applications, including various automotive applications, wire and cable coating applications and high temperature adhesive applications.

Abstract: A molecular composite system consisting essentially of a para-oriented benzobisazole polymer and a matrix polymer, poly(2-acrylamido-2-methylpropanesulfonic acid).

Abstract: Higher yields of graft copolymer occur when a catalytic amount of base is present during the grafting reaction of a polyamide and a polyglutarimide. The resulting blends of ungrafted polyamide and polyglutarimide with higher graft-copolymer content, the graft copolymer being a polyamide-grafted poly(glutarimide)ionomer, exhibit improved toughness and clarity.

Abstract: This invention relates to soft, rubber-like, thermoplastically processible polymer alloys based on 10 to 50% by weight of (cyclo)aliphatic, thermoplastic polyamides and 90 to 50% by weight of special cross-linked, particulate alkyl acrylate copolymer rubbers suitable for the preparation of rubber-like, elastic moulding compounds.The invention also relates to a process for their preparation.

Abstract: Thermoplastic molding materials contain, as essential components,A) 20-98% by weight of a partly aromatic amide copolymer essentially consisting ofa.sub.1) 40-90% by weight of units derived from terephthalic acid and hexamethylenediamine,a.sub.2) 0-50% by weight of units derived from .epsilon.-caprolactam anda.sub.3) 0-60% by weight of units derived from adipic acid and hexamethylenediamine,components a.sub.2) and/or a.sub.3) accounting altogether for not less than 10% by weight of the total number of units,B) 2-80% by weight of a partly crystalline thermoplastic polyamide which differs from A)and furthermoreC) 0-50% by weight of an elastomeric impact modifier andD) 0-60% by weight of fibrous or particulate fillers or a mixture of these.

Abstract: Compositions comprising from 50 to 95% by weight of at least one polyamide resin, and from 5 to 50% by weight % of a polymer composition comprising from 84 to 99.1 mole % of units derived from ethylene and from 0.9 to 16 mole % of units derived from an unsaturated anhydride of a dicarboxylic acid and optionally from at least one of an alkyl acrylate or methacrylate whose alkyl group has from 1 to 8 carbon atoms. The polymer composition is present in the form of a mixture of (A) a polymer of ethylene and (B) a copolymer of ethylene and an unsaturated anhydride of a dicarboxylic acid. The weight ratio (A) to (B) lies between 1 to 6 and 6 to 1.Application is to the production of articles having an improved impact resistance.

Abstract: Disclosed are blends of (a) a polyetherimide and (b) a (meth) acrylate-styrene-acrylonitile polymer (ASA). The blends exhibit an improved heat distortion temperature flexural properties and tensile properties over the ASA component alone and have lower impact strengths than that associated with the ASA polymer alone.

Abstract: The invention is related to blow-molded nylon products comprising 40-95 parts by weight nylon 46, 3-40 parts by weight nylon 6, nylon 66 and/or nylon 6/66 and 2-40 parts by weight of an acid or epoxy modified polyolefin. Blow moldability and impact resistance are improved without deterioration of high temperature resistance and mechanical strength.

Abstract: A polymer composite, a method of making a polymer composite and a polymer composite membrane. The polymer composite comprises a uniform dispersion of hydrophobic polymeric particles in a continuous phase of a hydrophilic polymer. The new method of forming a polymer composite includes the formation of a concentrated emulsion of a hydrophilic monomer and a hydrophobic monomer and heating the concentrated emulsion at a predetermined temperature. The polymer composites of this invention may be useful as permselective membranes.

Abstract: A process for the preparation of crosslinked shapes from a polymer which consists of reacting a starting polyamide with a particular silane. The polyamide should have at least 30% by weight of branched polymer chains, but these may be furnished by adding branching agents to the monomers before or during polymerization. After the reaction with silane has taken place, the polymer is molded or otherwise formed into desired shapes and brought into contact with water. This causes three dimensional crosslinking of the polymer and provides improved mechanical and fire resistant properties to the finished product. Moreover, the finished product may be formed by the usual methods of shaping without any particular treatment being required.

Abstract: An agent is provided which renders compatible at least two incompatible thermoplastic polymers. The agent contains one di- or trisequenced copolymer comprising at least one N-vinyl-pyrrolidone or methyl (meth) acrylate telomer and one mono- or difunctional oligomer selected from the group consisting of an ethylenically unsaturated polymerizable monomer, or a polycondensable monomer, or a lactam. The agent is prepared by condensation of the telomer with the oligomer and is used in the preparation of alloys of incompatible thermoplastic polymers.

Abstract: A laminar article of a base polyolefin, a condensation polymer incompatible with the base polyolefin and an alkylcarboxyl-substituted polyolefin is stretched 2 to 6 times its dimensions above a temperature at which a significant portion of the crystals of the base polyolefin have melted and below a temperature at which all of the crystals have melted.

Abstract: Disclosed herein are a novel graft copolymer comprising a stock copolymer (A) of at least one monomer selected from esters of unsaturated carboxylic acids and vinyl esters (a), ethylene (b) and carbon monoxide (c), and a polyamide oligomer having a primary amino group at one end of its molecule (B) grafted on said stock copolymer, and a process for the preparation thereof. The proposed graft copolymer, when used as an adhesive, in particular for adhesion of polyvinyl chloride, exhibits excellent heat resistance and adhesion properties.

Abstract: A thermoplastic resin composition is disclosed, which is obtained by melt-kneading (A) from 60 to 97 parts by weight of a polyamide resin and (B) from 3 to 40 parts by weight of an ethylene copolymer comprising (a) from 40 to 90% by weight of an ethylene unit, (b) from 5 to 60% by weight of an alkyl .alpha., .beta.-unsaturated carboxylate unit, and (c) from 0.3 to 10% by weight of a maleic anhydride unit and then melt-kneading the resulting composition with (C) from 0.01 to 20 parts by weight of a polyfunctional compound having at least two functional groups having reactivity to a carboxyl group, a carboxylic acid anhydride group or an amino group per molecule to effect partial crosslinking reaction. The composition provides molded articles having a good balance of physical properties and satisfactory appearance.

Abstract: A thermoplastic resin composition having a flexural modulas as defined in ASTM D790 of from 500 to 15,000 kg/cm.sup.2, which is obtainable by partial crosslinking upon melt kneading a mixture comprising:(A) from 20 to 60 parts by weight of a polyamide resin; and(B) from 80 to 40 by weight of an ethylene copolymer comprising (a) from 40 to 90% by weight of an ethylene unit, (b) from 5 to 60% by weight of an .alpha.,.beta.-unsaturated carboxylic acid alkyl ester unit, and (c) from 0.3 to 10% by weight of a maleic anhydride unit or a partially ionized maleic anhydride unit; with(C) from 0.01 to 20 parts by weight, based on 100 parts by weight of the sum of the components (A) and (B), of a polyfunctional compound containing at least two functional groups which are reactive to a carboxyl group, a carboxylic anhydride group, or an amino group, in the molecule thereof, is disclosed.

Abstract: Blow molding nylon resin blends comprising nylon resin having relative viscosity of less than about 100 blended with sufficient melt viscosity enhancing polymer to be adaptable to blow molding and sheet extrusion. Such blends have a melt viscosity at low deformation rates of at least ten times the melt viscosity at low deformation rates of the nylon resin.

Abstract: Copolymer-containing compositions are prepared by the reaction of an epoxytriazine-capped polyphenylene ether with another polymer containing amine end groups, especially a polyamide, under intimate blending conditions. The compositions have excellent properties and find utility as molding compositions and as compatibilizers for blends of similar polymers. Suitable epoxytriazine-capped polyphenylene ethers may be prepared by reaction of a polyphenylene ether with an epoxychlorotriazine such as diglycidyl chlorocyanurate, n-butyl glycidyl chlorocyanurate or mesityl glycidyl chlorocyanurate.

Abstract: A process for the continuous and discontinuous production of polycaprolactam is disclosed which includes the step of polymerizing, by anionic polymerization, .epsilon.-caprolactam to which suitable initiators and activators are added. The process may optionally include the addition of comonomers, pigments, electroconductive fillers, modifying polymers, inorganic fillers, reinforcing fibers, inorganic fillers and/or other additives to a dispersing media in which the polymerization takes place with polycaprolctam, copolymers or composites thereof being obtained in the form of particles. The foregoing additives may, for example, be added to the dispersing media dropwise with mechanical or convective stirring under controlled temperature conditions.

Abstract: Thermoplastic molding compositions contain as essential components(A) 10-89% by weight of a copolyamide of(A.sub.1) 80-99% by weight of recurring units derived from adipic acid and hexamethylenediamine and(A.sub.2) 1-20% by weight of units derived from .epsilon.-caprolactam,(B) 10-80% by weight of polyhexamethyleneadipamide,(C) 1-40% by weight of an impact-modifying rubber and in addition(D) 0-60% by weight of a fibrous or particulate filler or a mixture thereof.

Abstract: Polymer blends comprising a major proportion of a polyamide polymer and lesser proportions of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and of an acidic polymer containing moieties of .alpha.,.beta.-ethylenically unsaturated carboxylic acid demonstrate improved properties of melt strength and melt elasticity and, over a narrower range of concentration of the linear alternating polymer, improved mechanical properties.