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    1.
    发明专利
    未知

    公开(公告)号：ES2124353T3

    公开(公告)日：1999-02-01

    申请号：ES94114215

    申请日：1994-09-09

    Applicant: BASF AG

    Inventor： FISCHER WOLFGANG DR ,  GUNTHERBERG NORBERT DR ,  MC KEE GRAHAM EDMUND DR

    IPC: C08F2/22 ,  C08F212/00 ,  C08F212/04 ,  C08F212/06 ,  C08F220/10 ,  C08F220/12 ,  C08L25/00 ,  C08F220/42 ,  C08L25/08 ,  C08L25/12 ,  C08L25/14 ,  C08L33/06 ,  C08L33/18

    Abstract: Particulate polymer A, having a mean particle size of below 1000 nm, comprising a1: up to 99.8 % by weight of at least one vinylaromatic monomer a1, a2: up to 99.8 % by weight of at least one alkyl methacrylate a2 having 1 to 8 carbon atoms in the alkyl radical, a3: up to 50 % by weight of at least one polar, copolymerisable, ethylenically unsaturated monomer a3, a4: from 0.1 to 10 % by weight of at least one polyfunctional, crosslinking monomer a4, a5: from 0.1 to 15 % by weight, preferably from 0.5 to 10 % by weight, of at least one monomer a5 containing one or more acidic, basic or epoxy groups, where the total amount of constituents a1, a2 and a3 is from 75 % by weight to 99.8 % by weight, based on A, and the total amount of a1, a2, a3, a4 and a5 is 100 % by weight, based on A.

    THERMOPLASTIC MOULDING MATERIALS
    2.
    发明专利
    THERMOPLASTIC MOULDING MATERIALS 未知

    公开(公告)号：CZ266795A3

    公开(公告)日：1996-05-15

    申请号：CZ266795

    申请日：1995-10-12

    Applicant: BASF AG

    Inventor： GUNTHERBERG NORBERT DR ,  WEBER MARTIN DR ,  GRUBER FREDDY DR ,  LINDENSCHMIDT GERHARD DR

    IPC: B29C45/00 ,  B29C48/03 ,  B29C48/305 ,  C08F265/06 ,  C08L9/06 ,  C08L21/00 ,  C08L25/02 ,  C08L25/04 ,  C08L51/00 ,  C08L51/04 ,  C08L51/06 ,  C08L53/02 ,  C08L71/02 ,  B29C47/14

    Abstract: Thermoplastic moulding materials (I) contain: (A) 30-98 wt.% of a graft copolymer of: (ak) 30-90 wt.% rubber-elastic grafting core, obtd. by copolymerisation of: (ak1) 80-99.99 wt.% (1-10C alkyl) acrylate, (ak2) 0.01-20 wt.% crosslinking monomer, and (ak3) 0-40 wt.% other comonomer(s); and (as) 10-70 wt.% of a grafted shell derived from: (as1) 50-100 wt.% styrene cpd. of formula (a); and (as2) 0-50 wt.% other comonomer(s); (B) 1-50 wt.% of a thermoplastic polymer of: (b1) 50-100 wt.% styrene and/or alpha -methylstyrene (AMS), (b2) 0-50 wt.% acrylonitrile, and (b3) 0-50 wt.% other comonomer(s); and (C) 1-70 wt.% of a copolymer of: (c1) 30-90 wt.% styrene and AMS, (c2) 10-70 wt.% butadiene, and (c3) 0-30 wt.% other comonomer(s); comprising: (i) block X obtd. by polymerising (c2) and opt. (c3) and block Y by polymerising (c1) and opt. (c3), or (ii) a polymer with a butadiene-rich initial segment, increasing amts. of styrene along the chain, and a terminal segment of homo-polystyrene (PS); or (iii) a star-shaped polymer obtd. by linking several polymer chains contg. (c1)-(c3) with polyfunctional mols., and in which the olefinic double bonds are completely or almost completely hydrogenated. Also claimed are films and moulded prods. obtd. from (I). R , R = H or 1-8C alkyl, and/or (1-8C alkyl) (meth)acrylate.

    4.
    发明专利
    未知

    公开(公告)号：ES2116638T3

    公开(公告)日：1998-07-16

    申请号：ES95104122

    申请日：1995-03-21

    Applicant: BASF AG

    Inventor： NIESSNER NORBERT DR ,  GUNTHERBERG NORBERT DR ,  FISCHER WOLFGANG DR ,  ROSENAU BERNHARD DR

    IPC: C08J5/00 ,  C08F265/04 ,  C08J5/18 ,  C08L23/00 ,  C08L23/02 ,  C08L23/08 ,  C08L25/00 ,  C08L25/04 ,  C08L25/12 ,  C08L51/00

    Abstract: New thermoplastic moulding material contains the following components: (A) 20-99 wt.,% at least one graft copolymer comprising 30-90 wt.% core (a1) prepd. by polymerisation of a mixt. of 80-99.9 wt.% at least one acrylic acid 1-10C alkyl ester (a11), 20 - 0.01 wt.% copolymerisable, polyfunctional, cross-linking monomer (a12) and 0 - 40 wt.% additional copolymerisable, monoethylenic unsatd. monomer (a13), with 70 - 10 wt.% graft component (a2) prepd. by polymerisation in the presence of (a1) of a monomer mixt. comprising 50 - 100 wt.% styrene cpd. of formula (I) and/or (meth)acrylic acid 1-8C alkyl ester (a21) and 50 - 0 wt.% monofunctional comonomer (a22); (B) 80 - 1 wt.% copolymer prepd. from at least one alpha-olefin and at least one polar comonomer, except vinyl acetate or vinyl aromatic monomers; and (C) 0 - 50 wt.% thermoplastic polymer prepd. by the polymerisation of 50 - 100 wt.% vinyl aromatic monomer and/or (meth)acrylic acid 1-8C alkyl ester (c1) and 50 - 0 wt.% monofunctional comonomer (c2), all wrt. sum of (A), (B) and (C); R1, R2 = H or 1-8C alkyl. Also claimed are (i) prepn. of the moulding material by mixing (A), (B) and (C), (ii) use of the material for the prepn. of moulded articles or films, (iii) films or moulded articles prepd. from the material, and (iv) films with a leather-like appearance.

    5.
    发明专利
    未知

    公开(公告)号：ES2108529T3

    公开(公告)日：1997-12-16

    申请号：ES95113446

    申请日：1995-08-26

    Applicant: BASF AG

    Inventor： TIEFENSEE KRISTIN DR ,  GUNTHERBERG NORBERT DR ,  NEUMANN RAINER DR

    IPC: C08L25/12 ,  C08L33/00 ,  C08L33/04 ,  C08L33/12 ,  C08L51/04

    Abstract: A thermoplastic moulding material (I) comprises a mixt. of (A) 15-70 wt.% methyl methacrylate polymer obtd. from a mixt. of (A1) 80-93 wt.% methyl methacrylate and (A2) 7-20 wt.% acrylic acid 1-8C alkyl ester, with viscosity index 55-60 ml/g (0.5 wt.% soln. in dimethyl formamide at 23 degrees C); (B) 10-50 wt.% copolymer obtd. from a mixt. of (B1) 78-88 wt.% vinyl aromatic monomers (w.r.t. (B)) and (B2) 12-22 wt.% vinyl cyanide (w.r.t. (B)), with viscosity index 60-80 ml/g (0.5 wt.% soln. in dimethyl formamide at 23 degrees C); (C) 20-50 wt.% graft polymer obtd. from (C1) 50-80 wt.% monomer mixt. core comprising (C11) 50-100 wt.% 1,3-diene and (C12) 0-50 wt.% vinyl aromatic monomer, and (C2) 20-50 wt.% graft obtd. by polymerisation in the presence of (C1) of a mixt. comprising (C21) 40-100 wt.% (meth)acrylic acid 1-8C alkyl ester and (C22) 0-60 wt.% vinyl aromatic monomer, with mean particle size of (C) 40-500 nm; and (D) 0-20 wt.% standard additives (w.r.t. sum of (A)-(C)). The sum of (A)-(C) is 100 wt.% and the difference in break index between (C) and the mixt. of (A), (B) and opt. (D) is less than 0.005. Also claimed are (i) prepn. of (I) by compounding (A)-(D) at 200-300 degrees C; (ii) use of (I) for making moulded prods.; and (iii) moulded prods. made from (I).

    6.
    发明专利
    未知

    公开(公告)号：ES2119524T3

    公开(公告)日：1998-10-01

    申请号：ES96104388

    申请日：1996-03-20

    Applicant: BASF AG

    Inventor： GUNTHERBERG NORBERT DR ,  HOFMANN JURGEN ,  MAILAHN ELMAR ,  OHLIG HILMAR

    IPC: B29B7/48 ,  B29B7/58 ,  B29C47/40 ,  B29C48/76 ,  C08J3/205 ,  C08J3/20 ,  C08L25/04 ,  C08L27/06 ,  C08L33/04 ,  C08L33/12 ,  C08L51/00 ,  C08L51/04 ,  C08L55/02 ,  B29C47/76

    Abstract: Prepn. of deep draw-modified thermoplastics (T) by mechanical dewatering of a wet elastomer component (A) contg. up to 50 wt.% residual water and mixing dewatered (A) with a thermoplastic polymer (B) in a screw - by adding (A) to a twin-screw extruder with 3-way rotating screws. This extruder contains the following sections (in the direction of flow): (1) feed for adding (A) to the extruder; (2) at least one crusher for dewatering (A) that contains one or more barriers each with an opening through which at least some of the water passes as a liq.; (3) at least one section to which molten (B) is added; (4) one or more sections with mixing, kneading and/or plasticising devices; (5) at least one degassing section with one or more gas outlets through which water is removed as steam; and (6) an exit zone. Also claimed are deep draw-modified moulding materials prepd. by this process.

    7.
    发明专利
    未知

    公开(公告)号：ES2109043T3

    公开(公告)日：1998-01-01

    申请号：ES95113445

    申请日：1995-08-26

    Applicant: BASF AG

    Inventor： TIEFENSEE KRISTIN DR ,  GUNTHERBERG NORBERT DR ,  NEUMANN RAINER DR ,  JAHNS EKKEHARD DR

    IPC: C08L25/12 ,  C08L33/00 ,  C08L33/04 ,  C08L33/12 ,  C08L51/04

    Abstract: A thermoplastic moulding compsn. comprises (A) 15-78% methacrylate polymer obtd. by polymerisation of a mixt. of (i) 90-100% Me methacrylate and (ii) 0-10% 1-8C alkyl acrylate; (B) 10-50% copolymer obtd. from a mixt. of (i) 78-88% vinyl aromatic monomer and (ii) 12-22% vinyl cyanide; (C) 20-50% graft copolymer with average particle size (d50) 40-50 nm, comprising (i) 50-80% substrate obtd. from (a) 50-100% 1,3-diene and (b) 0-50% grafted on portion obtd. by polymerisation in presence of (i) of (c) 40-100% 1-8C alkyl (meth)acrylate and (d) 0-60 % vinyl aromatic monomer; (D) 0,5-15% crosslinked methacrylate polymer of average particle size (d50) 50-80,000 nm obtd. by polymerisation of (i) 80-99.5% 1-8C alkyl methacrylate, (ii) 0-15% 1-8C alkyl acrylate, (iii) 0.5-5% crosslinking comonomer and (iv) 0-10% (meth)acrylic acid, hydroxyethyl or dimethylaminoethyl-(meth)acrylate; and opt. also (E) up to 20% conventional additives. (A)+(B)+(C)+(D) = 100%, and the difference between the RI of (C) and that of the mixt. of (A), (B), (D) and opt. (E) is less than 0.005. Mfr. of the compsn. comprises mixing the components at 200-300 degrees C.

    9.
    发明专利
    未知

    公开(公告)号：ES2114263T3

    公开(公告)日：1998-05-16

    申请号：ES95117107

    申请日：1995-10-31

    Applicant: BASF AG

    Inventor： FISCHER WOLFGANG DR ,  GUNTHERBERG NORBERT DR

    IPC: C08K5/098 ,  C08L51/00 ,  C08L51/04 ,  C08L55/02

    Abstract: Thermoplastic moulding materials (I) contain (A) 4.9-95 wt% of a graft copolymer of (a1) 30-90 wt% rubber-elastic graft base with a Tg of below 0 degrees C and a mean particle size (d50) of 30-1000 nm, based on (a11) 50-99.8 wt% (1-8C alkyl) acrylates and/or dienes, (a12) 0-5 wt% polyfunctional crosslinking monomers, (a13) 0-49.8 wt% other unsatd comonomers, and (a14) 0.1-10 wt% hydroxyalkyl (meth)acrylates and/or unsatd. monomers with basic gps, or (a15) 0.1-10 wt% monomers (a23) (see below), and (a2) 10-70 wt% of a grafted shell with a Tg of above 25 degrees C, based on (a21) 0-99.9 wt% vinylaromatic monomer, (a22) 0-99.9 wt% polar unsatd monomer(s), (a23) 0.1-20 wt% unsatd monomer(s) with acid gps, or (a24) 0.1-20 wt% monomers (a14), (B) 4.9-95 wt% of a polymer with a Tg above 25 degrees C, (C) 0.1-10 wt% cpds of multivalent metals, and (D) 0-40 wt% conventional additives, processing aids etc, with the proviso that monomers (a23) are in the shell if (a14) is in the core, and (a24) are in the shell if (a15) is in the core. Also claimed are moulded prods contg. (I) as the essential component. Pref. graft base (a1) contains (a11) 85-99.8 wt.% (1-8C alkyl) acrylate, (a13) 0.1-5 wt.% polyfunctional crosslinker (sic) and (a14) 0.1-10 wt.% hydroxyalkyl (meth)acrylate etc., or (a11) 50-99.8 wt.% diene, (a12) 0-49.9 wt.% other unsatd. comonomer(s) (sic) and (a14) 0.1-10 wt.% hydroxyalkyl (meth)acrylate etc.

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