公开(公告)号：DE19639592A1

公开(公告)日：1998-04-02

申请号：DE19639592

申请日：1996-09-26

Applicant: BASF AG

Inventor： ITTEMANN PETER DR ,  NEUMANN RAINER DR ,  SEIBRING JOACHIM DR ,  ROSENAU BERNHARD DR ,  KOETTING MANFRED ,  GINSS CHRISTOPHE ,  GUENTHERBERG NORBERT DR ,  MEYER HEINRICH CHRISTIAN

IPC: C08J5/00 ,  C08L25/04 ,  C08L33/08 ,  C08L33/20 ,  C08L51/00 ,  C08L51/04 ,  C08L55/02 ,  C08J3/20 ,  C08J5/04 ,  A47G25/00 ,  E04F19/08

Abstract: Thermoplastic moulding compounds contain, in relation to the total weight of the moulding compound: (A) 72 to 88.5 wt % of a thermoplastic polymer which, in relation to (A), consists of (a1) 50 to 100 wt % styrene or alpha -methylstyrene or their mixtures; (a2) 0 to 50 wt % acryl nitrile; (a3) 0 to 50 wt % one or several other monoethylenically unsaturated monomers; (B) 10 to 20 wt % of a first graft polymer with a mean particle diameter d50 of 400 to 600 nm and which, in relation to B, consists of (b1) 30 to 90 wt % of a rubber elastic graft core (with (b11) 80 to 99.99 wt % n-butylacrylate, (b12) 0.01 to 20 wt % of at least one cross-linking monomer, (b13) 0 to 40 wt % one or several other monoethylenically unsaturated monomers); (b2) 10 to 70 wt % of a graft shell (with in relation to (b2): (b21) 50 to 100 wt % styrene or alpha -methylstyrene or their mixtures, (b22) 0 to 50 wt % acryl nitrile, (b23) 0 to 50 wt % of one or several other monoethylenically unsaturated monomers); (C) 1.5 to 8 wt % of a second graft polymer with bimodal particle size distribution with mean particle diameters d50 of 25 to 200 nm on the one hand and 350 to 550 nm on the other hand, and which, in relation to (C), consists of (c1) 30 to 90 wt % of a rubber elastic graft core (with (c11) 50 to 100 wt % butadiene or isoprene or their mixtures, (c12) 0 to 50 wt % one or several other monoethylenically unsaturated monomers); (c2) 10 to 70 wt % of a graft shell (with (c21) 50 to 100 wt % styrene or alpha -methylstyrene or their mixtures, (c22) 0 to 50 wt % acryl nitrile, (c23) 0 to 50 wt % one or several other monoethylenically unsaturated monomers); (D) 0 to 50 wt % parting agents or mould release agents, pigments, dyes, fire-proofing agents, antioxidants, stabilisers against exposure to light, fibrous or powdery fillers or reinforcing agents or antistatic agents, or other additives or their mixtures. The sum of graft polymers (B) and (C) equals 11.5 to 25 wt % of the sum of the three components (A), (B) and (C), and the sum of the four components (A) to (D) equals 100 wt %.

公开(公告)号：DE19621733A1

公开(公告)日：1997-12-04

申请号：DE19621733

申请日：1996-05-30

Applicant: BASF AG

Inventor： GUENTHERBERG NORBERT DR ,  WEBER MARTIN DR

IPC: C08L25/02 ,  C08L25/08 ,  C08L33/06 ,  C08L51/04 ,  C08L69/00 ,  C08J3/20 ,  C08J5/00 ,  C08J5/18 ,  C08L25/12 ,  C08L33/08 ,  C08L33/10 ,  C08L33/12

Abstract: Thermoplastic moulding materials contain: (A) 10-90.9 wt% aromatic polycarbonate, (B) 5-30 wt% graft copolymer comprising: (b1) 20-80 wt% rubber-elastic polymer base with a Tg of below 0 deg C; and (b2) 20-80 wt% grafted component with a Tg of above 50 deg C derived from 2 monomers (b2.1) and (b2.2), (C) 2-70 wt% thermoplastic copolymer of: (c1) 50-90 wt% styrene; and (c2) 10-50 wt% acrylonitrile and/or 1-8C alkyl (meth)acrylate, with a Tg of more than 50 deg C and a viscosity number of 40-160 cm /g, (D) 2-70 wt% thermoplastic copolymer other than (C), containing: (d1) 50-99 wt% styrene and/or substituted styrene of formula (I): R = 1-8C alkyl or H, R' = 1-8C alkyl, and n = 0, 1, 2 or 3, and (d2) 1-50 wt% (meth)acrylonitrile, maleic anhydride, maleimide (optionally N-substituted with 1-8C alkyl or 6-20 C aryl), 1-8C alkyl (meth)acrylate, (meth)acrylamide and/or 1-8C alkyl vinyl ether, (E) 0.1-25 wt% copolymer(s) of: (e1) 50-99 wt% of a mixture of: (e1.1) 80-100 wt% 1-10C alkyl (meth)acrylate and/or 5-8C cycloalkyl (meth)acrylate, and (e1.2) up to 20 wt% 1-10C alkyl acrylate, (e2) 0.5-20 wt% maleic acid or anhydride, fumaric acid, itaconic acid and/or maleimide (optionally N-substituted as above), and (e3) 0.5-40 wt% vinylaromatic(s) (optionally ring- substituted with one or two 1-4C alkyl groups), and (F) 0-50 wt% additives, auxiliary substances and/or fibrous and/or particulate fillers.

公开(公告)号：ES2096831T3

公开(公告)日：1997-03-16

申请号：ES93116281

申请日：1993-10-08

Applicant: BASF AG

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

IPC: C08F265/04 ,  C08F265/06 ,  C08F279/02 ,  C08L51/00 ,  C08L51/04 ,  C08L101/00

公开(公告)号：ES2092587T3

公开(公告)日：1996-12-01

申请号：ES92104743

申请日：1992-03-19

Applicant: BASF AG

Inventor： BESECKE SIEGMUND DR ,  SEITZ FRIEDRICH DR ,  GUENTHERBERG NORBERT DR ,  ZIMMER GUENTER DR

IPC: C08L25/12 ,  C08L33/12

公开(公告)号：AT144273T

公开(公告)日：1996-11-15

申请号：AT92104743

申请日：1992-03-19

Applicant: BASF AG

Inventor： BESECKE SIEGMUND DR ,  SEITZ FRIEDRICH DR ,  GUENTHERBERG NORBERT DR ,  ZIMMER GUENTER DR

IPC: C08L25/12 ,  C08L33/12

公开(公告)号：DE59303969D1

公开(公告)日：1996-10-31

申请号：DE59303969

申请日：1993-12-16

Applicant: BASF AG

Inventor： DECKERS ANDREAS DR ,  GUENTHERBERG NORBERT DR ,  TIEFENSEE KRISTIN DR

IPC: C08K5/00 ,  C08L25/02 ,  C08L25/12 ,  C08L33/00 ,  C08L33/04 ,  C08L33/06 ,  C08L33/24 ,  C08L35/00 ,  C08L51/00 ,  C08L51/02 ,  C08L51/04 ,  C08L51/06 ,  C08L73/00 ,  C08L79/08

Abstract: Transparent and impact-resistant moulding compounds containing essentially A) 5 to 50% by weight of a polymer obtainable by polymerisation of a C1-C20-alkyl ester of methacrylic or acrylic acid or mixtures of such esters, B) 5 to 50% by weight of a polymer obtainable by polymerisation of a monomer mixture of b1) 75 to 82% by weight of an aromatic vinyl monomer and b2) 18 to 25% by weight of acrylonitrile or methacrylonitrile or a mixture thereof, C) 10 to 40% by weight of a polymer containing c1) 10 to 90% by weight of units of the general formula I where R is hydrogen or C1-C4-alkyl and R is C1-C18-alkyl, C5-C12-cycloalkyl, C6-C10-aryl or C6-C10-aryl-C1-C4- alkyl, which radicals, with the exception of the C1-C4-alkyl groups, can be substituted by up to three radicals selected from the group consisting of C1-C4-alkyl, C1-C4-alkoxy and halogen, c2) 10 to 90% by weight of a C1-C20-alkyl ester of methacrylic or acrylic acid or mixtures of such esters, D) 5 to 60% by weight of a graft copolymer having a weight average particle diameter of less than 200 nm and obtainable by polymerisation of 20 to 70% by weight of a monomer mixture of d1) 30 to 100% by weight of a C1-C20-alkyl ester of methacrylic or acrylic acid or mixtures of such esters and d2) 0 to 70% by weight of an aromatic vinyl monomer in the presence of 30 to 80% by weight of a grafting base obtainable by polymerisation of at least one monomer of the group consisting of butadiene, isoprene, aromatic vinyl monomers and C4-C20-alkyl esters of acrylic acid and E) 0 to 20% by weight of components A) to D), of customary additives, the percentages of components A) to D) adding to 100 and the difference between the refractive index of component D) and that of the mixture of components A), B) and C) and if desired E) being less than 0.01.

公开(公告)号：ES2086162T3

公开(公告)日：1996-06-16

申请号：ES93112779

申请日：1993-08-10

Applicant: BASF AG

Inventor： DECKERS ANDREAS DR ,  GUENTHERBERG NORBERT DR

IPC: C08F2/18 ,  C08F20/12

Abstract: Polymers obtainable by suspension polymerisation of from 50 to 100% by weight of at least one compound selected from the group consisting of C1-C18-alkyl esters of acrylic acid and methacrylic acid, and from 0 to 50% by weight of further free-radical-polymerisable monomers, in the presence of a buffer selected from the group consisting of citric acid, alkali metal citrates, alkaline earth metal citrates and ammonium citrates, and a process for the preparation of these polymers, and their use for the production of mouldings.

公开(公告)号：DE59302427D1

公开(公告)日：1996-06-05

申请号：DE59302427

申请日：1993-08-10

Applicant: BASF AG

Inventor： DECKERS ANDREAS DR ,  GUENTHERBERG NORBERT DR

IPC: C08F2/18 ,  C08F20/12

Abstract: Polymers obtainable by suspension polymerisation of from 50 to 100% by weight of at least one compound selected from the group consisting of C1-C18-alkyl esters of acrylic acid and methacrylic acid, and from 0 to 50% by weight of further free-radical-polymerisable monomers, in the presence of a buffer selected from the group consisting of citric acid, alkali metal citrates, alkaline earth metal citrates and ammonium citrates, and a process for the preparation of these polymers, and their use for the production of mouldings.

公开(公告)号：AT137521T

公开(公告)日：1996-05-15

申请号：AT93120855

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

公开(公告)号：DE4433072A1

公开(公告)日：1996-03-21

申请号：DE4433072

申请日：1994-09-16

Applicant: BASF AG

Inventor： WEBER MARTIN DR ,  GUENTHERBERG NORBERT DR

IPC: C08L21/00 ,  C08L67/00 ,  C08L69/00 ,  C08L71/00 ,  C08L71/10 ,  C08L81/06 ,  D01F6/94 ,  C08J11/06 ,  C08K7/00

Abstract: Thermoplastic moulding compsn. comprises (a) 1 - 99 wt.% polyaryl ether (I), (b) 1 - 99 wt.% aromatic polycarbonate (II), 20 - 100 wt.% of which is recycled (II), (c) 0 - 50 wt.% fibrous or particulate filler and (d) 0/40 wt.% impact-modifying rubber. Also claimed are mouldings, fibres and films made from this compsn.; and the use of recycled (II) or mixts. in the moulding compsn.