MASAS DE MOLDEO TERMOPLASTICAS.
    62.
    发明专利

    公开(公告)号:ES2229799T3

    公开(公告)日:2005-04-16

    申请号:ES99963561

    申请日:1999-12-16

    Applicant: BASF AG

    Abstract: Masas de moldeo termoplásticas, que contienen (A) de un 5 hasta un 98 % en peso, referido a la totalidad del peso de las masas de moldeo, de un copolímero de injerto del tipo caucho, formado por, (a1) un 30 hasta un 90 % en peso, referido a (A) de una base de injerto con una temperatura de transición vítrea (Tg) menor que -10ºC, formado por (a11) un polímero de éster acrílico reticulado al menos parcialmente, formado por (a111) de un 50 hasta un 99, 9 % en peso, referido a (a11), de al menos un acrilato de alquilo con 1 a 10 átomos de carbono en el resto alquilo, (a112) de un 0, 1 hasta un 5 % en peso, referido a (a11), de al menos un monómero con efecto reticulante, polifuncional, y (a113) de un 0 hasta 49, 9 % en peso, referido a (a11), de al menos otro monómero copolimerizable con (a111), formado por el grupo de los éteres vinilalquílicos con 1 a 8 átomos de carbono en el resto alquilo, butadieno, isopreno, estireno, acrilonitrilo, metacrilonitrilo y/o metacrilato de metilo.

    63.
    发明专利
    未知

    公开(公告)号:DE50104019D1

    公开(公告)日:2004-11-11

    申请号:DE50104019

    申请日:2001-07-13

    Applicant: BASF AG

    Abstract: A process for the agglomeration of at least one rubber (A), dispersed in an aqueous phase, by the addition of a dispersion of at least one agglomerating polymer (B) in aqueous phase, in which the agglomerating polymer B used is one containing substantially no free acid groups and the agglomeration is carried out in the presence of at least one basic electrolyte.

    64.
    发明专利
    未知

    公开(公告)号:DE59910537D1

    公开(公告)日:2004-10-21

    申请号:DE59910537

    申请日:1999-12-16

    Applicant: BASF AG

    Abstract: Thermoplastic molding compositions comprising(A) 5 to 98%-wt., based on components (A) through (E), of at least one elastomeric graft copolymer,(B) 1 to 90%-wt., based on components (A) through (E), of a further copolymer,(C) 1 to 70%-wt., based on components (A) though (D), of an elastomeric block copolymer composed ofat least one block CA (hard phase) having copolymerized units of a vinylaromatic monomer, andat least one elastomeric block C(B/A) (soft phase) having copolymerized units of a vinylaromatic monomer, and of a diene,(D) 0 to 300%-wt., based on components (A) through (C), of a polycarbonate, and(E) 0 to 30%-wt., based on components (A) through (E), of conventional additives and processing aids,are useful for producing films, moldings or fibers.

    65.
    发明专利
    未知

    公开(公告)号:AT276316T

    公开(公告)日:2004-10-15

    申请号:AT99963561

    申请日:1999-12-16

    Applicant: BASF AG

    Abstract: Thermoplastic molding compositions comprising(A) 5 to 98%-wt., based on components (A) through (E), of at least one elastomeric graft copolymer,(B) 1 to 90%-wt., based on components (A) through (E), of a further copolymer,(C) 1 to 70%-wt., based on components (A) though (D), of an elastomeric block copolymer composed ofat least one block CA (hard phase) having copolymerized units of a vinylaromatic monomer, andat least one elastomeric block C(B/A) (soft phase) having copolymerized units of a vinylaromatic monomer, and of a diene,(D) 0 to 300%-wt., based on components (A) through (C), of a polycarbonate, and(E) 0 to 30%-wt., based on components (A) through (E), of conventional additives and processing aids,are useful for producing films, moldings or fibers.

    66.
    发明专利
    未知

    公开(公告)号:AT276285T

    公开(公告)日:2004-10-15

    申请号:AT01925444

    申请日:2001-03-14

    Applicant: BASF AG

    Abstract: A process for the production of rubber particles containing 80-100 wt.% of a conjugated diene monomer and 0-20 wt.% of a monoethylenically unsaturated comonomer comprises emulsion polymerization in the presence of an emulsifier and an initiator whereby the monomers are added either in polymerized form as a seed latex or in monomeric form via subsequent in-situ polymerization to form a seed latex. A process for the production of rubber particles (I) containing in polymerized form (A) 80-100 wt.% of at least one conjugated diene monomer and (B) 0-20 wt.% of at least one monoethylenically unsaturated comonomer, comprises emulsion polymerization in the presence of an emulsifier and an initiator whereby: (1) a mixture (M1) comprising (M1a) 20-100 wt.% water and (M1b) 0.1-100 wt.% emulsifier is added; (2) simultaneously or thereafter a mixture (M2) comprising (M2a) 90-100 wt.% of styrene, alpha -methylstyrene, butadiene, n-butylacrylate, methylmethacrylate and/or acrylonitrile and (M2b) 0-10 wt.% of at least one copolymerizable monomer whereby monomers (M2a) and (M2b) are added either in polymerized form as a seed latex or in monomeric form via subsequent in-situ polymerization to form a seed latex, or as a mixture of polymerized and monomeric forms, whereby the seed-latex polymer has an average mol. wt. of greater than 2000; (3) the polymerization of the resulting mixture is initiated in the presence of the polymerization initiator at 5-95 [deg]C; (4) simultaneously or thereafter a mixture (M3) comprising (M3a) 0-100 wt.% comonomer (B) (wrt (B)) and (M3b) 0-25 wt.% diene monomer (A) (wrt (A)) is added; (5) simultaneously or thereafter a mixture (M4) comprising (M4a) the residual 75-100 wt.% (A) (wrt (A)) and (M4b) the residual 0-100 wt.% (B) (wrt (B)); and (6) polymerization is carried out to a conversion of 90-95 (wrt the total amount of monomers) whereby the residual 0-80 wt.% of the emulsion water and the residual 0-99.9 wt.% of the emulsifier are added individually or separately at one or more steps (2)-(5). An independent claim is included for the resulting rubber particles (I).

    67.
    发明专利
    未知

    公开(公告)号:DE10080288D2

    公开(公告)日:2004-04-15

    申请号:DE10080288

    申请日:2000-02-07

    Applicant: BASF AG

    Abstract: A thermoplastic molding composition, comprising(A) from 20 to 99% by weight of at least one graft copolymer,(B) from 1 to 80% by weight of a copolymer of at least one alpha-olefin and from at least one polar comonomer, with the proviso that the monomers used are not vinyl acetate or any vinylaromatic monomer, and(C) from 0 to 80% by weight of a thermoplastic polymer, prepared by polymerizing a monomer mixture, comprising(c1) from 50 to 100% by weight of at least one vinylaromatic monomer and/or of a C1-C8-alkyl (meth)acrylate, and(c2) from 0 to 50% by weight of at least one monofunctional comonomer, and(D) from 0.1 to 20% by weight of a substantially uncrosslinked, low-molecular-weight polyalkyl acrylate.

    METODO PARA LA AGLOMERACION DE CAUCHO DISPERSADO..

    公开(公告)号:MXPA03000604A

    公开(公告)日:2003-05-14

    申请号:MXPA03000604

    申请日:2001-07-13

    Applicant: BASF AG

    Inventor: NIESSNER NORBERT

    Abstract: La invencion se refiere a un metodo para aglomerar cuando menos un caucho dispersado (A) en una fase acuosa mediante la adicion de una dispersion de cuando menos un polimero para aglomeracion (B) en la fase acuosa. La invencion se caracteriza por utilizar un polimero para aglomeracion como B, no conteniendo practicamente grupos acido libres y efectuando la aglomeracion en presencia de cuando menos un electrolito basico.

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