21.
    发明专利
    未知

    公开(公告)号:DE59203172D1

    公开(公告)日:1995-09-14

    申请号:DE59203172

    申请日:1992-04-14

    Applicant: BASF AG

    Abstract: A thermoplastic molding composition composed of, based on the total of A, B, C and D, 40-95% by weight of a copolymer A of, based on A, 90-95% by weight of styrene and/or its derivatives and 10-50% by weight of acrylonitrile, optionally up to 50% by weight of a graft copolymer B of 20-80% by weight of a monomer mixture of either styrene/acrylonitrile in the ration from 9:1 to 4:6 or styrene/acrylonitrile/methylacrylate in the ration from 19:1:1 to 8:6:6 onto 80-20% by weight of an elastomer based on butadiene or acrylic ester as grafting base, graft copolymerization being effected in either emulsion or solution, 1-50% by weight of a reinforcing glass fiber material C and 0.1-50% by weight of a terpolymer D of styrene, methyl methacrylate and maleic anhydride composed of 1-15% by weight each of styrene and maleic anhydride and a styrene/maleic anhydride ratio of from 5:1 to 1:5, and methyl methacrylate.

    22.
    发明专利
    未知

    公开(公告)号:DE4120723A1

    公开(公告)日:1992-12-24

    申请号:DE4120723

    申请日:1991-06-22

    Applicant: BASF AG

    Abstract: Described is a method of treating the surface of moulded polyamide articles by treating with aqueous acids, the method being characterized in that mixtures of aqueous hydrochloric acid (strength at least 20 % by wt.) with mono- or diethers of an aliphatic polyhydroxy compound are used, the components of the mixture being in the ratio 90:10 to 10:90 % by vol.

    25.
    发明专利
    未知

    公开(公告)号:DE3827568A1

    公开(公告)日:1990-02-15

    申请号:DE3827568

    申请日:1988-08-13

    Applicant: BASF AG

    Abstract: Thermoplastic polyester molding materials essentially contain (A) from 20 to 89% by weight of one or more aliphatic polyesters of an aromatic dicarboxylic acid, (B) from 10 to 79% by weight of one or more aromatic polycarbonates and (C) from 1 to 40% by weight of an elastomer or of a mixture of elastomers consisting of CA from 5 to 100% by weight of an elastomeric graft polymer composed of CA1 not less than 50% by weight of a grafting base having a glass transition temperature Tg of less than -20 DEG C., CA2 from 5 to 20% by weight of a first graft shell consisting of a mixture of a C1-C8-alkyl ester of acrylic acid and a vinylaromatic in a weight ratio of from 5:95 to 70:30 and CA3 from 10 to 30% by weight of a second graft shell consisting of one or more polymers having a glass transition temperature Tg above 20 DEG C. and CB from 0 to 95% by weight of an ethylene copolymer composed of CB1 from 40 to 99% by weight of ethylene and CB2 from 1 to 60% by weight of one or more comonomers containing carboxyl groups and/or carboxyl group derivatives, the sum of A to C, CA and CB, CA1 to CA3 and of CB1 and CB2 being 100% by weight in each case.

    27.
    发明专利
    未知

    公开(公告)号:DE3627131A1

    公开(公告)日:1988-02-11

    申请号:DE3627131

    申请日:1986-08-09

    Applicant: BASF AG

    Abstract: Thermoplastic molding materials contain, as essential components, (A) from 10 to 89.99% by weight of a polyester, (B) from 10 to 89.99% by weight of a polycarbonate and (C1) from 0.01 to 1% by weight of a low molecular weight organic compound of not more than 70 carbon atoms which contains (-SO3)mQ groups where Q is hydrogen, NH4 or an alkali or alkaline earth metal and m is an integer equal to the valency of Q, and/or (C2) from 0.01 to 30% by weight of a polymer containing sulfo groups and having a weight average molecular weight of not less than 1000, and, as a further component, (D) from 0 to 30% by weight of a rubber impact modifier.

    MEZCLAS DE COPOLIMERO DE ESTIRENO CON RESISTENCIA AL CLIMA Y RETENCION DE COLOR MEJORADAS.

    公开(公告)号:ES2277877T3

    公开(公告)日:2007-08-01

    申请号:ES01121132

    申请日:2001-09-04

    Applicant: BASF AG

    Abstract: Un método para fabricar mezclas de copolímero de vinilo que tiene un valor de retención de color de 0, 1 a 1, 5, medido de acuerdo con el método ASTM G 53, donde dicho método consiste esencialmente en los pasos de a) Suministro de una resina de copolímero de injerto (A), que incluye el producto de reacción de uno ó más monómeros (a1) seleccionado del grupo que consiste en (a11) compuestos aromáticos de vinilo (a12) cianuros de vinilo y (a13) mezclas de los mismos, donde por lo menos un monómero es un compuesto aromático de vinilo en la presencia de un caucho elastomérico (CE) como una base de injerto, y a) mezclado de la resina de copolímero de injerto (A) con un copolímero (B) seleccionado de entre el grupo que consiste en copolímero de estireno/acrilonitrilo, copolímeros a-metilestireno/acrilonitrilo, copolímeros estireno/metilmetacrilato, copolímeros estireno/anhídrido maleico, copolímeros a-metilestireno/estireno/acrilonitrilo, copolímeros estireno/ acrilonitrilo/metilmetacrilato, copolímeros estireno/acrilonitrilo/anhídrido maleico, copolímeros estireno/ acrilonitrilo /ácido acrílico ó mezclas de los mismos y Gamma) adición a la resina de copolímero injerto A y opcionalmente la resina de copolímero B de 0, 1 a 20 % en peso, basado en la mezcla total, de un polímero parcialmente cristalino que tiene una cristalinidad de 5 a 65 %, medida de acuerdo a ISO/DIS 11357-3, como agente de retención de color (C) y que es seleccionado de entre el grupo que consiste en una poliamida o una mezcla de diferentes poliamidas. donde la adición es efectuada a una temperatura por lo menos tan alta como la temperatura de fusión de (C) menos 10 ° C y sin exceder los 310 °C.

    Polymer micro-suspension useful for treatment of paper, textiles and leather

    公开(公告)号:DE19802110A1

    公开(公告)日:1999-07-22

    申请号:DE19802110

    申请日:1998-01-21

    Applicant: BASF AG

    Abstract: A polymer micro-suspension (A) comprises: (A1) 10-55 wt.% of a graft core consisting of an elastomeric polymer having an average particle diameter of 0.08-100 microns and (B1) 45-90 wt.% of a graft sheath consisting of an organic polymer. Independent claims are included for: (i) a process for the production of (A) by dispersing the corresponding monomers for (A1) in water in the presence of a protective colloid to form a dispersing having an average particle diameter of 0.08-100 microns, polymerisation of the droplets with a radical polymerisation initiator to a conversion of greater than 50% and optionally graft polymerisation of the resulting mixture with monomers of (B1); (ii) a molding composition comprising 0.5-80 wt.% (A), 0-79.5 wt.% of (A') an ASA, ABS or AES-polymer, 20-99.5 wt.% of (B) polymer matrix, 0-50 wt.% of (C) fibrous or particulate filler and 0-50 wt.% of (D) further additives; and (iii) fibers, film or molded articles prepared from the molding composition.

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