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    62.
    发明专利
    未知

    公开(公告)号：ES2078993T3

    公开(公告)日：1996-01-01

    申请号：ES91108914

    申请日：1991-05-31

    Applicant: BASF AG

    Inventor： BLUMENSTEIN UWE DR ,  KLAERNER PETER DR ,  SCHUCH HORST DR ,  WALTER HANS-MICHAEL DR

    IPC: C08L51/04 ,  C08L25/06

    Abstract: The thermoplastic moulding compositions contain - based on the sum of A and B - A: from 75 to 97% by weight of a polystyrene A as the hard matrix, B: from 3 to 25% by weight of a particulate, rubber-elastic (co)polymer B essentially based on butadiene or copolymers thereof, itself comprising - based on B - B1: from 40 to 98% by weight of a (co)polymer B1 having a mean particle size of from 100 to 600 nm, B2: from 2 to 60% by weight of a particle mixture B2 which is itself built up from - based on B2 - B21: from 1 to 60% by weight of a (co)polymer B21 having a mean particle size of from 200 to 1200 nm, and B22: from 40 to 99% by weight of a (co)polymer B22 having a mean particle size of from 1200 to 8000 nm, where the (co)polymer B1 has a capsule particle morphology and the (co)polymers B21 and B22 have a cell and/or entangled particle morphology.

    63.
    发明专利
    未知

    公开(公告)号：DE59106889D1

    公开(公告)日：1995-12-21

    申请号：DE59106889

    申请日：1991-05-31

    Applicant: BASF AG

    Inventor： BLUMENSTEIN UWE DR ,  KLAERNER PETER DR ,  SCHUCH HORST DR ,  WALTER HANS-MICHAEL DR

    IPC: C08L51/04 ,  C08L25/06

    Abstract: The thermoplastic moulding compositions contain - based on the sum of A and B - A: from 75 to 97% by weight of a polystyrene A as the hard matrix, B: from 3 to 25% by weight of a particulate, rubber-elastic (co)polymer B essentially based on butadiene or copolymers thereof, itself comprising - based on B - B1: from 40 to 98% by weight of a (co)polymer B1 having a mean particle size of from 100 to 600 nm, B2: from 2 to 60% by weight of a particle mixture B2 which is itself built up from - based on B2 - B21: from 1 to 60% by weight of a (co)polymer B21 having a mean particle size of from 200 to 1200 nm, and B22: from 40 to 99% by weight of a (co)polymer B22 having a mean particle size of from 1200 to 8000 nm, where the (co)polymer B1 has a capsule particle morphology and the (co)polymers B21 and B22 have a cell and/or entangled particle morphology.

    64.
    发明专利
    未知

    公开(公告)号：DE59004969D1

    公开(公告)日：1994-04-21

    申请号：DE59004969

    申请日：1990-04-02

    Applicant: BASF AG

    Inventor： BUESCHL RAINER DR ,  KLAERNER PETER DR

    IPC: C08L25/08 ,  C08L25/02 ,  C08L33/00 ,  C08L33/06 ,  C08L55/02

    Abstract: Moulding compositions comprising high-impact (impact-modified) polystyrene (HIPS) and at least one further polymer as essential constituents contain, as the third or further constituent, a polymer or copolymer containing at least 45% by weight of units of cyclohexyl (meth)acrylate as compatibility promoter.

    65.
    发明专利
    未知

    公开(公告)号：DE3785743D1

    公开(公告)日：1993-06-09

    申请号：DE3785743

    申请日：1987-12-22

    Applicant: BASF AG

    Inventor： SCHWABEN HANS-DIETER DR ,  ECHTE ADOLF DR ,  BUESCHL RAINER DR ,  SCHLICHTMANN RAINER ,  KLAERNER PETER DR ,  KINDLER HUBERT DR

    IPC: C08F2/18 ,  C08F287/00 ,  C08L25/06 ,  C08L51/00

    Abstract: Thermoplastic moulding compsn. contains w.r.t. (A+B), (A) 80-60 (wt.)% rigid polystyrene matrix and (B) 20-40% soft phase, obtd. by polymerising styrene in the presence of a linear styrene-butadiene block copolymer with indistinct transition, which contains 35-45% styrene and 65-55% butadiene with a block polystyrene content of 25-35%. (B) is uniformly distributed in (A) and has a particle dia. of less than 0.8 micron. The average particle dia., d50 value (by vol.) of (B) is 0.252-0.38 micron, the particle size distribution range (d95-d5) value, is 0.2-0.6 micron, the d60 value, is in the 0.26-0.40 micron range and the d90 value is 0.40-0.75. (B) pref. contains 38-42% styrene and 62-58% butadiene with 25-35, esp. 30-32% block polystyrene. The average mol.wt. of (B) is 180000-250000 and the mol.wt. of the styrene block 50000-70000.

    66.
    发明专利
    未知

    公开(公告)号：DE3844490A1

    公开(公告)日：1990-07-05

    申请号：DE3844490

    申请日：1988-12-31

    Applicant: BASF AG

    Inventor： SCHWABEN HANS-DIETER DR ,  SCHLICHTMANN RAINER ,  KINDLER HUBERT DR ,  KLAERNER PETER DR ,  MITTNACHT HANS DR

    IPC: C08F279/00 ,  C08F279/02 ,  C08L25/06 ,  C08L51/04

    Abstract: An impact-resistant thermoplastic molding material which contains, based in each case on A+B, from 80 to 50% by weight of a hard matrix A of polystyrene having a molecular weight &upbar& M eta of from 150,000 to 200,000 and from 50 to 20% by weight of a soft phase B which is uniformly distributed in the hard matrix and has a median particle diameter d50 (volume average) of from 1 to 10 mu m, and can be obtained by polymerizing styrene in the presence of an elastomeric grafting base, advantageously has a molecular weight of the grafted branches of from 1.1 to 1.35 times the molecular weight of the hard matrix, and the degree of grafting is from 50 to 100%.

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