Abstract:
The invention relates to a hollow body with a capacity of at least 250 ml, the casing of which consists of polystyrene and is produced by injection stretch blow moulding. The invention also relates to the method of producing this hollow body and to the use of the hollow bodies.
Abstract:
The invention relates to thermoplastic molding compounds that contain A) 40 to 95 % by weight of a polyamide, B) 4 to 30 % by weight of an impact modifier polymer having functional groups, C) 1 to 50 % by weight of fibrous or particulate fillers or the mixtures thereof, D) 0 to 50 % by weight of other additives, the weight percentages of components A) to D) adding up to 100 %.
Abstract:
The invention relates to a thermoplastic moulding material containing a) 1 to 97.5 wt. % of at least one aromatic polycarbonate, b) 1 to 97.5 wt. % of at least one graft polymer consisting of optionally alkyl-substituted styrene and an unsaturated nitrile on an elastomeric graft base, c) 1 to 97.5 wt. % of at least one thermoplastic copolymerisate consisting of optionally alkyl-substituted styrene and an unsaturated nitrile, d) 0.5 to 50 wt. % of a copolymerisate, d1) consisting of a copolymer consisting of optionally alkyl-substituted styrene, an unsaturated nitrile and monomers with epoxy, hydroxy, carboxyl or oxazoline groups, and d2) 5 to 95 wt. % of at least one thermoplastic polyester, said copolymer d being producible by common extrusion of d1 and d2; and optionally, other ingredients.
Abstract:
The invention relates to non-flammable, thermoplastic moulded materials containing (A) at least one polyphenylene ether, (B) at least one vinyl aromatic polymer, and (C) at least one flame-proofing agent. Said materials are characterised in that they also comprise (D) and as the non-drip agent a high-molecular polymer based on acrylamide with a viscosity approximately of above 1.5 mPas, measured in an aqueous solution of 0.1 % at 25 °C. The invention also relates to the use of said materials in the production of fibres, sheets and moulded structures.
Abstract:
Masas termoplásticas de moldeo compuestas por A) una poliamida con grupos terminales amino o carboxílicos o una mezcla de estos grupos terminales, B) una mezcla de, por lo menos, dos copolímeros de injerto, que contienen, en cada caso, un caucho como base de injerto y un revestimiento de injerto basado en un monómero insaturado, que se distinguen uno de otro por su contenido en caucho en al menos un 5 % en peso, C) un copolímero libre de caucho que contiene, c1) al menos, un 30 % en peso de unidades derivadas de un monómero vinilaromático, relativo al peso total de todas las unidades presentes en C), c2) unidades derivadas de un monómero, que contenga un grupo funcional, que pueda reaccionar con los grupos terminales de la poliamida A) y c3) unidades derivadas de un monómero, que no contenga ningún grupo funcional, que reaccione con los grupos terminales de la poliamida A), así como, por otra parte, si se desea D) un polímero matricial libre de caucho, E) un compuesto de bajo peso molecular, que contenga un grupo anhídrido dicarboxílico y F) un aditivo o una mezcla de diferentes aditivos.
Abstract:
The thermoplastic molding composition comprises components A, B, C and D, and also, where appropriate, E, F, G and H, the entirety of which gives 100% by weight: a) from 1 to 97.5% by weight of at least one aromatic polycarbonate A, b) from 1 to 97.5% by weight of at least one graft polymer B made from b1) from 40 to 80% by weight of a graft base made from an elastomeric polymer B1 based on alkyl acrylates having from 1 to 8 carbon atoms in the alkyl radical, on ethylene-propylene, on dienes or on siloxanes, and having a glass transition temperature below 0° C., b2) from 20 to 60% by weight of a graft B2 made from b21) from 60 to 95% by weight of styrene or of substituted styrenes B21 of the formula I where R is C1-C8-alkyl or hydrogen and R1 is C1-C8-alkyl and n is 1, 2 or 3, or a mixture of these, and b22) from 5 to 40% by weight of at least one unsaturated nitrile B22, c) from 1 to 97.5% by weight of at least one thermoplastic copolymer C made from c1) from 60 to 85% by weight of styrene or of substituted styrenes C1 of the formula I, or mixtures of these compounds, and c2) from 15 to 40% by weight of at least one unsaturated nitrile C2, d) from 0.5 to 25% by weight of a mixture D made from, based on component D, d1) from 5 to 95% by weight of at least one particulate mineral filler D1, and d2) from 5 to 95% by weight of fibrous fillers D2, where at least 50% by weight of the fibrous fillers have a length of at least 50 mum, and other ingredients where appropriate.
Abstract:
Flame-retardant thermoplastic molding materials containingA) at least one polyphenylene ether,B) at least one vinylaromatic polymer, andC) at least one flameproofing agent furthermore compriseD) as an antidrip agent, a high molecular weight polymer based on acrylamide having a viscosity of more than about 1.5 mpas, measured in 0.1% strength aqueous solution at 25° C.,and are used for the production of fibers, films and moldings.
Abstract:
La invencion se refiere a un proceso para la preparacion de cuerpos moldeados compactos o celulares, de autoliberacion que contienen opcionalmente agentes de refuerzo y elaborados a partir de productos de poliadicion de poliisocianato mediante la reaccion de a) poliisocianatos orgánicos y/o orgánicos modificados con b) al menos un compuesto con al menos dos átomos de hidrogeno reactivos y un peso molecular de 500 a 9000 y, opcionalmente c) agentes de extension de cadena y/o de reticulacion en presencia de d) monoamidas de ácido alquil y/o alquenil succínico, monoamidas de ácido alquil y/o alquenil succínico, monoimidas de ácido alquil y/o alquenil succínico, poliamidas, poliimidas, monoamidmonoimidas, poliamidimidas, poliimidas, monoamidmonoimidas, poliamidimidas, amidpoliimidas y poliamidpoliimidas de poli(ácido alquil succínico)- y/o poli(ácido alquenil succínico) o mezclas de las mismas como agentes internos de liberacion de molde, y también en presencia o ausencia de e) catalizadores, f) agentes de expansion, g) agentes de refuerzo, h) agentes auxiliares, en una herramienta de moldeo abierta o cerrada, opcionalmente bajo compresion. La invencion se refiere también al uso de amidas y/o imidas de ácido alquil-y/o alquenil succínico (d) como agentes internos de liberacion de molde para la preparacion de cuerpos moldeados elaborados a partir de productos de poliadicion de poliisocianato.