Abstract: The present invention relates to an improved pultrusion process for producing semifinished products based on polymers, in particular polyesters or polyamides, which comprises adding reactive chain extenders during the process of saturation (impregnation) of the fibers.

Abstract: A process for crosslinking polyamide comprises a diisocyanate or a diacyl halide being reacted with a lactam A at a temperature of from (?30) to 150° C. and next reacting with a lactam B, a catalyst and an activator at a temperature of from 40 to 240° C.

Abstract: Process for producing fiber-reinforced composite materials, by a) molding a textile structure and then spray-applying a binder, or saturating the textile structure with a binder, or b) first spray-applying a binder to a textile structure, or saturating a textile structure with a binder, and then subjecting the material to forming and drying.

Abstract: The present invention relates to copolymers obtainable by free-radical polymerization of i) 10% to 90% by weight, based on the total weight of components i to iv, of at least one monomer selected from the group consisting of a C8-C30 alkyl (meth)acrylate, C8-C30 vinyl ester, C8-C30 vinyl ether, C8-C30 olefin, and triglyceride of unsaturated C8-C30 carboxylic acids; ii) 0.

Abstract: The invention provides a molding producible by a process comprising the following steps: a) introduction of a foamable reactive resin into a support material and b) compressive deformation of the support material comprising the foamable reactive resin.

Abstract: A process for obtaining process water by condensation of mist or by evaporation of water comprising salts or impurities and condensation of the evaporated water, and plants for carrying out the process and the use thereof for obtaining drinking water.

Abstract: A liquid-impregnated shaped foam article consisting of a) from 1 to 10% by volume of an open-cell foam based on an aminoplast and b) from 90 to 99% by volume of a component which is liquid at 25° C., such as aromatic or aliphatic hydrocarbons, alcohols, ketones, water or aqueous dispersions, and the uses thereof for transporting or metering liquids, for cleavage through freezing, for energy absorption of projectiles or as latent heat stores.

Abstract: The present invention relates to biodegradable polyester mixtures, comprising i) from 95 to 99.95% by weight, based on the total weight of components i to ii, of at least one biodegradable homo- or copolyester selected from the following group: polylactide, polycaprolactone, polyhydroxyalkanoate, and polyester composed of aliphatic or aliphatic and aromatic dicarboxylic acids and of aliphatic dihydroxy compounds, and ii) from 0.05 to 5% by weight, based on the total weight of components i to ii, of biodiesel. The present invention also relates to processes for the production of the polyester mixtures of the invention, to the use of the polyester mixtures of the invention for the production of moldings, foils, or fibers, and also to moldings, foils, or fibers comprising the polyester mixtures of the invention.

Abstract: The present invention relates to an open-cell foam, and to a process for producing this open-cell foam by melting a thermoplastic, or a mixture comprising a thermo-plastic, giving a melt, mixing the melt with at least one blowing agent under pressure, and foaming the melt comprising the blowing agent via extrusion into the free atmosphere, the temperature of the melt during the foaming process being greater than the melt temperature at which a closed-cell foam is formed, and/or adding a pulverulent solid, and/or adding a foreign polymer. The present invention further relates to the use of the foam of the invention for sound deadening or for producing materials by sound deadening.

Abstract: Stabilizers composed of (I) one or more polyisocyanates having an average of from 2 to 10 isocyanate groups per molecule, preferably from 2.1 to 10, particularly preferably from 2.2 to 10, (II) per mole of isocyanate groups, from 0.1 to 1.0 mol of one or more active ingredient groups which protect plastics from degradation via heat, UV radiation, oxidation, hydrolysis, or mechanical action during processing, where the active ingredient groups have been linked to the polyisocyanates by way of functional groups A which can react with the isocyanate groups, and where the active ingredient groups have been selected from phenols, sterically hindered amines (HALS stabilizers), benzotriazoles, benzophenones, aromatic amines, or phosphites; (III) per mole of isocyanate groups, from 0 to 0.9 mol of one or more auxiliary groups which modify the properties of the stabilizer, where the auxiliary groups have been linked to the polyisocyanates by way of functional groups B which can react with the isocyanate groups.

Abstract: Thermoplastic molding compositions comprising A) from 10 to 99.99% by weight of at least one thermoplastic polyester, B) from 0.01 to 50% by weight of a hyperbranched polycarbonate having an OH number of from 1 to 600 mg KOH/g of polycarbonate (to DIN 53240, Part 2), C) from 0 to 60% by weight of other additives, where the total of the percentages by weight of components A) to C) is 100%.

Abstract: The invention relates to a process for compounding polycondensates selected from the group consisting of polyamide, polyester and polycarbonate, in the presence of an epoxy-containing styrene and/or (meth)acrylic monomer, of a bisphenol A epoxide or of an epoxy-containing natural oil or fatty acid ester, which comprises carrying out the compounding at temperatures less than/equal to 220° C. and in the presence of an activator selected from the group consisting of: zinc, titanium compound and C1-C12-alkyltriphenylphosphonium halide.

Abstract: Thermoplastic molding compositions, comprising A) from 10 to 98% by weight of at least one thermoplastic polymer, B) from 0.01 to 50% by weight of B1) at least one highly branched or hyperbranched polycarbonate having an OH number of from 1 to 600 mg KOH/g of polycarbonate (to DIN 53240, Part 2), or B2) at least one highly branched or hyperbranched polyester of AxBy type, where x is at least 1.1 and y is at least 2.1, or a mixture of these, C) from 1 to 40% by weight of a halogen-free flame retardant, selected from the group of the phosphorus-containing or nitrogen-containing compounds, or of the P—N condensates, or a mixture of these, D) from 0 to 60% by weight of other additives, where the total of the percentages by weight of components A) to D) is 100%.

Abstract: Thermoplastic molding compositions comprising A) from 10 to 98.9% by weight of at least one thermoplastic polyester, B) from 0.01 to 50% by weight of B1) at least one highly branched or hyperbranched polycarbonate having an OH number of from 1 to 600 mg KOH/g of polycarbonate (to DIN 53240, part 2), or B2) at least one highly branched or hyperbranched polyester of the AxBy type where x is at least 1.1 and y is at least 2.1 or mixtures thereof C) from 0.1 to 10% by weight of at least one carbodiimide, D) from 0 to 60% by weight of further additives, the sum of the percentages by weight of components A) to D) adding up to 100%.

Abstract: Thermoplastic molding compositions, comprising A) from 10 to 98.9% by weight of at least one thermoplastic polyester, B) from 0.01 to 50% by weight of B1) at least one highly branched or hyperbranched polycarbonate or B2) at least one highly branched or hyperbranched polyester of AxBy type, where x is at least 1.1 and y is at least 2.1 or a mixture of these C) from 0.1 to 10% by weight of at least one epoxidized naturally occurring oil or fatty acid ester, or a mixture of these, and D) from 0 to 60% by weight of other additives, where the total of the percentages by weight of components A) to D) is 100%.

Abstract: Thermoplastic molding compositions, comprising A) from 10 to 98% by weight of at least one thermoplastic polymer, B) from 0.01 to 50% by weight of B1) at least one highly branched or hyperbranched polycarbonate with an OH number of from 1 to 600 mg KOH/g of polycarbonate (to DIN 53240, part 2), or B2) at least one highly branched or hyperbranched polyester of AxBy type, where x is at least 1.1 and y is at least 2.1, or a mixture of these, C) from 1 to 30% by weight of a flame retardant combination composed of, based on 100% by weight of C), C1) from 20 to 99% by weight of a halogen-containing flame retardant, C2) from 1 to 80% by weight of an antimony oxide, D) from 0 to 60% by weight of other additives, where the total of the percentages by weight of components A) to D) is 100%.

Abstract: Thermoplastic molding compositions comprising A) from 10 to 99.99% by weight of at least one thermoplastic polyester B) from 0.01 to 50% by weight of a highly branched or hyperbranched polyester of AxBy type where x is at least 1.1 and y is at least 2.1 C) from 0 to 60% by weight of other additives, where the total of the percentages by weight of components A) to C) is 100%.

Abstract: Process for production of foam webs or foam sheets, these webs or sheets being based on a polymer selected from polysulfones, polyetherimides, polyether ketones, and styrene polymers, via extrusion of a melt which comprises the polymer and a blowing agent, and then foaming of this melt, which comprises a process in which the melt also comprises from 1 to 50% by weight, based on the polymer, of a filler selected from A) a fibrous filler A, B) a particulate, non-graphite filler B, and mixtures of these.

Abstract: Use of epoxidized natural oils or fatty esters, or a mixture of these (component B) for preparing hydrolysis-resistant thermoplastic polyester molding compositions (A).

Abstract: The invention relates to a process for producing foam webs by foam extrusion of a mixture of a polysulfone or polyether sulfone and a volatile blowing agent, where the blowing agent is water or a mixture of water with an inert gas or organic liquid, e.g. an alcohol or a ketone.