中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

76 records (took 0.024 seconds)

    22.
    发明专利
    未知

    公开(公告)号：DE4241555A1

    公开(公告)日：1994-06-16

    申请号：DE4241555

    申请日：1992-12-10

    Applicant: BASF AG

    Inventor： NIESSNER NORBERT DR ,  GUENTHERBERG NORBERT DR

    IPC: C08L25/12 ,  C08L51/04 ,  C08L55/02 ,  C08L69/00 ,  C08L51/00 ,  C08L25/02 ,  D01F6/56

    Abstract: Thermoplastic moulding compositions containing, as essential components, A) from 1 to 30% by weight of a polycarbonate, B) from 10 to 50% by weight of a graft polymer built up from b1) from 40 to 80% by weight of a graft base comprising an elastomeric polymer having a glass transition temperature of below 10@C, b2) from 20 to 60% by weight of a graft shell comprising b21) from 50 to 95% by weight of styrene or substituted styrenes of the formula I where R is an alkyl radical having 1 to 8 carbon atoms or a hydrogen atom and R an alkyl radical having 1 to 8 carbon atoms and n has a value 0, 1, 2 or 3, or methyl acrylate or methyl (meth)acrylate, or mixtures thereof, and b22) from 5 to 50% by weight of acrylonitrile, methacrylonitrile, methyl acrylate, methyl methacrylate, maleic anhydride, maleimides which are N-substituted by C1- to C8-alkyl or C6- to C20-aryl, or mixtures thereof, C) from 5 to 80% by weight of a thermoplastic copolymer comprising c1) from 50 to 85% by weight of styrene or substituted styrenes of the formula I, or mixtures thereof, c2) from 15 to 50% by weight of acrylonitrile or methacrylonitrile or mixtures thereof, D) from 5 to 80% by weight of a thermoplastic polymer comprising d1) from 50 to 85% by weight of styrene or substituted styrenes of the formula I, or mixtures thereof, and d2) from 15 to 50% by weight of acrylonitrile or methacrylonitrile, or mixtures thereof, which is different from component D), with the proviso that the proportion by weight of component d2), based on the total weight of component D), is less than the proportion by weight of component c2), based on the total weight of component C).

    23.
    发明专利
    未知

    公开(公告)号：DE4221293A1

    公开(公告)日：1994-01-05

    申请号：DE4221293

    申请日：1992-06-29

    Applicant: BASF AG

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

    IPC: C08L51/04 ,  C08L51/06 ,  C08L55/02 ,  C08L101/00 ,  C08L51/00 ,  C08L25/08 ,  C08L27/06 ,  C08L33/12 ,  C08L59/00 ,  C08L67/00 ,  C08L69/00 ,  C08L71/12 ,  C08L77/00 ,  C08L81/06 ,  C08L81/02

    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.

    25.
    发明专利
    未知

    公开(公告)号：DE4142910A1

    公开(公告)日：1993-07-01

    申请号：DE4142910

    申请日：1991-12-24

    Applicant: BASF AG

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

    IPC: C08F285/00 ,  C08L25/12 ,  C08L27/06 ,  C08L51/00 ,  C08L69/00

    Abstract: A graft copolymer A comprising - in the sequence A1 to A4 from the inside outward and in each case based on the sum of A1 to A4 - A1: from 5 to 90% by weight of a core having a glass transition temperature Tg of above 25 DEG C, comprising, based on A1: A11: from 50 to 99.9% by weight of a vinylaromatic monomer, A12: from 0.1 to 10% by weight of a polyfunctional, crosslinking monomer and/or a graft-active monomer containing two or more functional groups of different reactivity, where the crosslinking and graft-active action can apply to a single monomer, and A13: up to 49.9% by weight of one or more copolymerisable monomers; A2: from 5 to 90% by weight of a first shell of elastomeric material having a glass transition temperature Tg of below 10 DEG C, comprising, based on A2: A21: from 50 to 99.8% by weight of an alkyl acrylate having 1 to 18 carbon atoms in the alkyl radical and/or of a diene, A22: from 0.1 to 10% by weight of a polyfunctional, crosslinking monomer and/or at least one graft-active monomer containing two or more functional groups of different reactivity, where the crosslinking and graft-active action can apply to a single monomer, A23: from 0 to 49.8% by weight of one or more copolymerisable, unsaturated monomers, and A24: from 0.1 to 10% by weight of one or more acid group-containing monomers, A3: from 5 to 90% by weight of a second shell of hard material having a glass transition temperature Tg of above 25 DEG C, comprising, based on A3: A31: from 50 to 99.9% by weight of a vinylaromatic monomer, A32: up to 10% by weight of a polyfunctional, crosslinking monomer and/or at least one graft-active monomer containing two or more functional groups of different reactivity, A33: up to 49.9% by weight of one or more copolymerisable monomers, and A34: from 0.1 to 20% by weight of one or more basic group-containing monomers; A4: up to 85% by weight of a third shell of a copolymer comprising, based on A4: A41: from 1 to 99% by weight of one or more vinylaromatic monomers, A42: from 1 to 99% by weight of one or more copolymerisable monomers, Original abstract incomplete. f

    26.
    发明专利
    未知

    公开(公告)号：DE4132172A1

    公开(公告)日：1993-04-01

    申请号：DE4132172

    申请日：1991-09-27

    Applicant: BASF AG

    Inventor： NIESSNER NORBERT DR ,  NEUMANN RAINER DR ,  RUPPMICH KARL ,  SEITZ FRIEDRICH DR ,  ZELTNER DORIS DR

    IPC: C08K5/521 ,  C08K3/00 ,  C08L43/00 ,  C08L43/02 ,  C08L51/04 ,  C08L69/00

    Abstract: A moulding composition containing, based on the total amount of A to E, …… A: at least 40% by weight of at least one halogen-free polycarbonate A, … B: 5-40% by weight of at least one halogen-free graft polymer B built up from, based on B, …… B1: 40-80% by weight of an elastomer B1 having a glass transition temperature of below 0 DEG C and comprising, based on B1, …… B11: at least 50% by weight of a diene or an acrylate containing at least 4 carbon atoms in the alcohol moiety (B11), … B12: 1-40% by weight of a halogen-free phosphorus compound B12 of the following formula (I) … … in which …… R is H or CH3, … R and R are each, independently of one another, halogen-free C1-C8-alkyl or halogen-free C6-C20-aryl which is optionally substituted by halogen-free substituents, … X , X and X are O, S or NR (where R is hydrogen or halogen-free C1-C8-alkyl), and … n is from 0 to 10, …… B13: optionally up to 5% by weight of a further, crosslinking monomer, …… B2: 20-60% by weight of a graft shell B2 comprising, based on B2, …… B21: 40-98% by weight of styrene, alpha -alkylstyrene, ring-substituted styrene and/or C1-C8-alkyl (meth)acrylate, … B22: 2-60% by weight of (meth)acrylonitrile and/or maleic anhydride, …… … C: 5-40% by weight of a halogen-free, thermoplastic copolymer C comprising, based on C, …… C1: from 50 to 95% by weight of styrene, alpha -alkyl styrene, ring-substituted styrene and/or C1-C8-(meth)acrylates (C1), … C2: from 5 to 50% by weight of (meth)acrylonitrile and/or maleic anhydride (C2), …… D: from 1 to 50% by weight of a halogen-free phosphorus compound D of the formula (II) … … in which R , R and R are each, independently of one another, as defined above for R and R , … E: up to 5% by weight of a tetrafluoroethylene polymer having a mean particle size of from 50 to 2,000 nm. …

    Chlorine- and bromine- free flame-resistant thermoplastic compsns.
    29.
    发明专利
    Chlorine- and bromine- free flame-resistant thermoplastic compsns. 未知

    公开(公告)号：DE4115607A1

    公开(公告)日：1992-11-19

    申请号：DE4115607

    申请日：1991-05-14

    Applicant: BASF AG

    Inventor： NIESSNER NORBERT DR ,  SEITZ FRIEDHELM DR

    IPC: C08K5/521 ,  C08L69/00

    Abstract: Chlorine- and bromine-free flame-resistant thermoplastic moulding compsns. (I) comprise: (A) 40-85.99 pref. 50-85 wt. % at least are halogen-free polycarbonate; (B) 5-25 wt. % at least one halogen-free graft copolymer consisting of: (B1) 40-80 wt. % graft base on rubber-elastic polymers with Tg below 0 deg. C; (b2) 20-60 wt. % graft support of: (B21) 50-95 wt. % styrene or substituted styrene of formula (II): R = 1-8C alkyl, H; R1 = 1-8C alkyl; n = 0-3; or methylmethacrylate or their mixts.; (b22) 5-50 wt. % (meth)acrylonitrile, methylmethacrylate, maleic acid anhydride or their mixts.; (C) 5-40 wt. % halogen-free, thermoplastic copolymer of: (c1) as (b21), (C2) as (b22); (D) 4-20 pref. 4-15 wt. % at least are halogen-free phosphor cpd. of formula (III), where R2, R3, R4 = independently halogen-free 1-8C alkyl or 6-20C aryl substituted once or twice with 1-4C alkyl; (E) 0.01-5 pref. 0.01-2 wt. % at least one perfluoro- or polyfluoroalkansulphonic acid- or -carboxylic acid derivative of formula (F-CF2-CF2)x(CH2-CH2)yX)zM (IV), where X = -SO3 or -COO; M = H, alkali- or alkaline earth metal; x = 1-6; y = 0 or 1; Z = valency of M; (F) 0-5 pref. 0-2 wt. % at least are tetrafluoroethylane polymer with an average-particle size of 0.05-20 micron; (G) 0-40 pref. 0.05-30 wt. % fibrous or particulate filler or their mixts.. Also claimed are: (i) the prepn. of (I) by adding (E) to an aq. dispersion of (B), precipitating the mixt., removing water, drying and then by adding (A), (C), (D), (F) and (G). (ii) mouldings produced from (I).

Patent Agency Ranking