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    41.
    发明专利
    未知

    公开(公告)号：DE4131729A1

    公开(公告)日：1993-03-25

    申请号：DE4131729

    申请日：1991-09-24

    Applicant: BASF AG

    Inventor： NIESSNER NORBERT DR ,  SEITZ FRIEDRICH DR

    IPC: C08L51/00 ,  C08L51/04 ,  C08L51/06

    Abstract: A graft rubber blend comprising, based on the total amount of A and B, A: from 1 to 99% by weight of a first graft rubber A comprising A1: from 30 to 80% by weight of at least one elastomeric polymer A1 having a mean particle diameter (d50) of from 50 to 1,000 nm as the graft base, comprising, based on A1, A11: from 85 to 99.8% by weight of at least one alkyl acrylate A11 having 1 to 8 carbon atoms in the alkyl radical, A12: from 0.1 to 5% by weight of at least one polyfunctional monomer A12 which causes crosslinking, and A13: from 0.1 to 10% by weight of at least one monomer A13 containing one or more acidic groups, and A2: from 20 to 70% by weight of a shell A2 grafted onto the elastomeric polymer A1 and comprising, based on A2, A21: from 50 to 89.9% by weight of one vinylaromatic monomer A21, A22: from 10 to 49.9% by weight of at least one polar, copolymerisable, ethylenically unsaturated monomer A22, and A23: from 0.1 to 10 % by weight of at least one monomer A23 containing one or more basic groups, B: from 99 to 1% by weight of a second graft rubber B comprising B1: from 30 to 80% by weight of a particulate acrylate rubber having a mean particle diameter (d50) of from 50 to 1,000 nm as the graft base and B2: from 20 to 70% by weight of a graft shell comprising at least one vinylaromatic monomer and up to 50% by weight of at least one polar, copolymerisable, ethylenically unsaturated monomer.

    Graft copolymers, useful as components of moulding materials - have core with Tg above 25 deg. C, followed by 3 layers of crosslinked polysiloxane, vinyl]-aromatic (co)polymer and vinyl]-aromatic copolymer respectively
    43.
    发明专利
    Graft copolymers, useful as components of moulding materials - have core with Tg above 25 deg. C, followed by 3 layers of crosslinked polysiloxane, vinyl]-aromatic (co)polymer and vinyl]-aromatic copolymer respectively 未知

    公开(公告)号：DE4223063A1

    公开(公告)日：1993-01-28

    申请号：DE4223063

    申请日：1992-07-14

    Applicant: BASF AG

    Inventor： NIESSNER NORBERT DR ,  SEITZ FRIEDRICH DR

    IPC: C08F285/00 ,  C08L51/00

    Abstract: Graft copolymers with particles size 80-1500 nm (I) (from the inside outwards) (A) at least 1 wt.% core with Tg above 25 deg.C, (B) at least 1 wt.% first sheath of crosslinked polysiloxane, (C) 5-90 wt.% second sheath with Tg above 25 deg.C, and (D) 1-100 wt.% third sheath (amts. w.r.t. total A+B+C). (C) consists of (c1) 50-100 wt.% vinylaromatic monomer, (c2) 0-10 wt.% polyfunctional crosslinking monomer and/or graft active monomer with at least 2 functional gps. of different reactivity and (c3) up to 50 wt.% other comonomer(s). (D) consists of (d1) 1-99 wt.% vinylaromatic monomer and (d2) 1-99 wt.% comonomer. Pref. core (A) contains a crosslinker. Also claimed are thermoplastic moulding materials contg. 1-99 wt.% (I) and 1-99 wt.% impact-modifiable thermoplastic, pref. contg. (a) 5-95 wt.% (I), (b) 9505 wt.% thermoplastic copolymer(s) of 50-100 wt.% styrene, alpha-alkylstyrene, ring susbtd. styrene and/or (1-18C alkyl) (meth)acrylate and up to 50 wt.% (meth)acrylonitrile, maleic anhydride or N-substd. maleimide and (c) up to 90 wt.% polycarbonate(s). USE/ADVANTAGE - (I) are useful for the prodn. of thermoplastic moulding materials, esp. blends with other copolymers, for the mfr. of injection moulded or extruded window sections, garden furniture, boats, signs, vehicle parts, toys etc. Incorporation of (I) gives materials with high impact strength and high resistance to weathering and ageing

    44.
    发明专利
    未知

    公开(公告)号：ES2114580T3

    公开(公告)日：1998-06-01

    申请号：ES93116602

    申请日：1993-10-14

    Applicant: BASF AG

    Inventor： FISCHER WOLFGANG DR ,  GUENTHERBERG NORBERT DR ,  NIESSNER NORBERT DR

    IPC: C08F265/04 ,  C08F279/02

    Abstract: A particulate graft polymer comprising a graft base A comprising, based on A, A11: from 75 to 99.8% by weight of at leat one alkyl acrylate A11 having 1-8 carbon atoms in the alkyl radical, A12: from 0.1 to 5% by weight of at least one polyfunctional monomer A12 which causes crosslinking, A13: from 0.1 to 20% by weight of at least one monomer A13 containing one or more acidic groups, or A111: at least 50% by weight of one or more dienes A111, A112: up to 50% by weight of at least one further ethylenically unsaturated monomer A112, A113: up to 15% by weight of at least one monomer A113 containing one or more acidic groups, and a graft shell B grafted thereto, comprising, based on B, B1: from 0 to 99.8% by weight of at least one vinyl aromatic monomer B1, B2: from 0 to 99.8% by weight of at least one polar, copolymerisable, ethylenically unsaturated monomer B2, B3: from 0.1 to 20% by weight of at least one monomer B3 containing one or more basic groups, and B4: from 0.1 to 10% by weight of at least one hydroxyalkyl acrylate or methacrylate B4.

    47.
    发明专利
    未知

    公开(公告)号：ES2107587T3

    公开(公告)日：1997-12-01

    申请号：ES93109904

    申请日：1993-06-22

    Applicant: BASF AG

    Inventor： NIESSNER NORBERT DR ,  SEITZ FRIEDRICH DR ,  FISCHER WOLFGANG DR ,  GUENTHERBERG NORBERT DR ,  RUPPMICH KARL ,  MOORS RAINER DR

    IPC: C08L51/04 ,  C08L51/06 ,  C08L51/00 ,  C08L55/02 ,  C08L101/00

    Abstract: A moulding material based on an impact-modified thermoplastic A, selected from ABS, ASA, high-impact polystyrene (HIPS), high-impact polymethylmethacrylate, high-impact PVC, polycarbonate, polyester carbonate, polyester, polyamide (nylon), polyphenylene ether, polyether ketone, polyether sulphone, polysulphone, polyoxyalkylene, polyarylene sulphide and mixtures thereof, containing a matting agent B comprising from 30 to 80 % by weight of an elastomeric graft base B1 comprising from 75 to 99.8 % by weight of an alkyl acrylate having 1 to 8 carbon atoms in the alkyl radical (B11), from 0.1 to 5 % by weight of a polyfunctional, crosslinking monomer (B12) and from 0.1 to 20 % by weight of a monomer containing one or more acid groups or from 49.9 to 99.9 % by weight of one or more dienes (B111), up to 50 % by weight of a further ethylenically unsaturated monomer (B112) and from 0.1 to 20 % by weight of a monomer containing one or more acid groups (B113), and from 20 to 70 % by weight of a graft shell (B2) comprising from 40 to 99.9 % by weight of a vinyl aromatic monomer (B21), up to 49.9 % by weight of a polar, copolymerisable, ethylenically unsaturated monomer (B22) and from 0.1 to 20 % by weight of a monomer containing one or more basic groups (B23), and a moulding material whose constituents B13 or B113 and B23 have been interchanged.

    48.
    发明专利
    未知

    公开(公告)号：DE59307530D1

    公开(公告)日：1997-11-20

    申请号：DE59307530

    申请日：1993-06-22

    Applicant: BASF AG

    Inventor： NIESSNER NORBERT DR ,  SEITZ FRIEDRICH DR ,  FISCHER WOLFGANG DR ,  GUENTHERBERG NORBERT DR ,  RUPPMICH KARL ,  MOORS RAINER DR ,  WEISS ROBERT DR

    IPC: C08L51/04 ,  C08L51/06 ,  C08L51/00 ,  C08L55/02 ,  C08L101/00

    Abstract: A moulding material based on an impact-modified thermoplastic A, selected from ABS, ASA, high-impact polystyrene (HIPS), high-impact polymethylmethacrylate, high-impact PVC, polycarbonate, polyester carbonate, polyester, polyamide (nylon), polyphenylene ether, polyether ketone, polyether sulphone, polysulphone, polyoxyalkylene, polyarylene sulphide and mixtures thereof, containing a matting agent B comprising from 30 to 80 % by weight of an elastomeric graft base B1 comprising from 75 to 99.8 % by weight of an alkyl acrylate having 1 to 8 carbon atoms in the alkyl radical (B11), from 0.1 to 5 % by weight of a polyfunctional, crosslinking monomer (B12) and from 0.1 to 20 % by weight of a monomer containing one or more acid groups or from 49.9 to 99.9 % by weight of one or more dienes (B111), up to 50 % by weight of a further ethylenically unsaturated monomer (B112) and from 0.1 to 20 % by weight of a monomer containing one or more acid groups (B113), and from 20 to 70 % by weight of a graft shell (B2) comprising from 40 to 99.9 % by weight of a vinyl aromatic monomer (B21), up to 49.9 % by weight of a polar, copolymerisable, ethylenically unsaturated monomer (B22) and from 0.1 to 20 % by weight of a monomer containing one or more basic groups (B23), and a moulding material whose constituents B13 or B113 and B23 have been interchanged.

    50.
    发明专利
    未知

    公开(公告)号：DE59302449D1

    公开(公告)日：1996-06-05

    申请号：DE59302449

    申请日：1993-12-23

    Applicant: BASF AG

    Inventor： DECKERS ANDREAS DR ,  GUENTHERBERG NORBERT DR ,  NIESSNER NORBERT DR

    IPC: C08L33/12 ,  C08L51/00 ,  C08L51/06 ,  C08L83/04

    Abstract: The present invention relates to moulding compositions based on polymethyl methacrylate, essentially containing A) from 99.99 to 95.0% by weight of a mixture essentially comprising a1) from 5 to 95% by weight of polymethyl methacrylate, obtainable by polymerisation of a mixture essentially comprising a11) from 80 to 100% by weight of methyl methacrylate and a12) from 0 to 20% by weight of a C1-C20-alkyl ester of acrylic acid, and a2) from 95 to 5% by weight of a multistep graft copolymer based on a C1-C20-alkyl ester of acrylic and/or methacrylic acid, and B) from 0.01 to 5.0% by weight of a polysiloxane of the formula I in which R is C1-C6-alkyl or C6-C10-aryl, R is hydroxy-C1-C6-alkyl or amino-C1-C6-alkyl, and n is a natural number from 5 to 200. d

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