Molding composition having a matt surface
    1.
    发明授权
    Molding composition having a matt surface 失效
    具有无光泽表面的成型组合物

    公开(公告)号:US5475053A

    公开(公告)日:1995-12-12

    申请号:US259165

    申请日:1994-06-13

    摘要: A molding composition based on an impact-modified thermoplastic A selected from ABS, ASA, impact-resistant polystyrene (HIPS) impact resistant polymethyl methacrylate, impact resistant PVC, polycarbonate, polyester carbonate, polyester, polyamide, polyphenylene ether, polyether ketone, polyether sulfone, polysulfone, polyoxyalkylene, polyarylene sulfide and also mixtures thereof containing a matting agent B composed of 30 to 80% by weight of an elastomeric grafting base B1 of 75 to 99.8% by weight of an alkyl acrylate having 1 to 8 carbon atoms in the alkyl radical (B11), 0.1 to 5% by weight of a polyfunctional, crosslinking monomer (B12) and 0.1 to 20% by weight of a monomer containing one or more acidic groups, or 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 0.1 to 20% by weight of a monomer containing one or more acidic groups (B113), and 20 to 70% by weight of a graft sheath B2 composed of 40 to 99.9% by weight of an aromatic vinyl monomer (B21), up to 49.9% by weight of a polar, copolymerizable, ethylenically unsaturated monomer (B22) and 0.1 to 20% by weight of a monomer containing one or more basic groups (B23), and also a molding composition whose constituents B13 and B113 and B23 are interchanged.

    摘要翻译: 基于抗冲击改性热塑性塑料A的成型组合物,其选自ABS,ASA,耐冲击聚苯乙烯(HIPS)耐冲击聚甲基丙烯酸甲酯,耐冲击PVC,聚碳酸酯,聚酯碳酸酯,聚酯,聚酰胺,聚苯醚,聚醚酮,聚醚砜 ,聚砜,聚氧化烯,聚芳硫醚以及它们的混合物,其含有消光剂B,其由30至80重量%的弹性体接枝基料B1为75至99.8重量%的烷基中具有1至8个碳原子的丙烯酸烷基酯 (B11),0.1〜5重量%的多官能交联单体(B12)和0.1〜20重量%的含有一个或多个酸性基团的单体,或49.9-99.9重量%的一种或多种二烯( B111),至多50重量%的另外的烯属不饱和单体(B112)和0.1〜20重量%的含有一个或多个酸性基团(B113)的单体和20〜70重量%的接枝鞘B2 由40组成 99.9重量%的芳族乙烯基单体(B21),最多49.9重量%的极性,可共聚的烯属不饱和单体(B22)和0.1-20重量%的含有一个或多个碱性基团(B23)的单体, ,以及其组分B13和B113和B23互换的成型组合物。

    Preparation of rubber-modified molding materials by means of groups
which are incorporated in the rubber and form free radicals on thermal
decomposition
    3.
    发明授权
    Preparation of rubber-modified molding materials by means of groups which are incorporated in the rubber and form free radicals on thermal decomposition 失效
    通过加入橡胶中的基团并通过热分解形成自由基来制备橡胶改性的成型材料

    公开(公告)号:US5910553A

    公开(公告)日:1999-06-08

    申请号:US836309

    申请日:1997-05-12

    CPC分类号: C08F265/04 C08L51/04

    摘要: In the preparation of a rubber-modified molding material, in a first stage, a first mixture (A) contains at least one alkyl acrylate or methacrylate (a) of the formula (I) ##STR1## where R.sup.1 is hydrogen or methyl and R.sup.2 is alkyl of 1 to 32 carbon atoms, at least one first monomer (b) which forms free radicals on thermal decomposition and, if required, a second monomer (c) or a plurality thereof is polymerized, preferably with free radicals, to give a rubber (B),in a second stage, the resulting rubber (B) is mixed with a third monomer (d) or a plurality thereof, preferably dissolved or swollen therein, to form a second mixture (C), andin a third stage, the second mixture (C) is polymerized with free radicals to give the rubber-modified molding material (D).

    摘要翻译: PCT No.PCT / EP95 / 04474 371日期1997年5月12日 102(e)日期1997年5月12日PCT提交1995年11月14日PCT公布。 公开号WO96 / 15166 日期:1996年5月23日在橡胶改性成型材料的制备中,在第一阶段中,第一混合物(A)含有至少一种式(I)的丙烯酸烷基酯或甲基丙烯酸烷基酯(a),其中R1是氢或甲基, R2是1至32个碳原子的烷基,至少一个在热分解时形成自由基的第一单体(b),如果需要的话,第二单体(c)或多个第一单体(b)优选与自由基聚合,得到 橡胶(B),在第二阶段中,将得到的橡胶(B)与其中溶解或膨胀的第三单体(d)或多个混合以形成第二混合物(C),并在第三阶段 阶段,第二混合物(C)与自由基聚合,得到橡胶改性的成型材料(D)。

    Preparation of rubber-modified molding materials using peroxy-containing
compounds
    4.
    发明授权
    Preparation of rubber-modified molding materials using peroxy-containing compounds 失效
    使用过氧化合物制备橡胶改性的成型材料

    公开(公告)号:US5837777A

    公开(公告)日:1998-11-17

    申请号:US836312

    申请日:1997-05-12

    CPC分类号: C08F285/00

    摘要: In the preparation of a rubber-modified molding material, in a first stage, a first mixture (A) contains at least one alkyl acrylate or methacrylate (a) of the formula (I) ##STR1## where R.sup.1 is hydrogen or methyl and R.sup.2 is alkyl of 1 to 32 carbon atoms, if required a first monomer (b) having two or more double bonds and, if required, also a second monomer (c) or a plurality thereof is polymerized, preferably with free radicals, to give a rubber (B), in a second stage, a third monomer (d) or a plurality thereof is added to the resulting rubber (B) to form a second mixture (C), whereby the rubber (B) is dissolved or swollen in the third monomer (d), with or with the addition of a solvent, and in a third stage, the second mixture (C) formed is polymerized with free radicals to give the rubber-modified molding material (D), and the mixture is reacted at >120.degree. C., during or after this polymerization, with a compound (e) which contains at least two peroxy groups.

    摘要翻译: PCT No.PCT / EP95 / 04476 Sec。 371日期:1997年5月12日 102(e)日期1997年5月12日PCT提交1995年11月14日PCT公布。 出版物WO96 / 15164 日期1996年5月23日在橡胶改性成型材料的制备中,在第一阶段中,第一混合物(A)含有至少一种式(I)的丙烯酸烷基酯或甲基丙烯酸烷基酯(a)(I)其中 R 1是氢或甲基,R 2是1至32个碳原子的烷基,如果需要,具有两个或更多个双键的第一单体(b),如果需要的话,也可以将第二单体(c)或多个单体聚合 与自由基反应得到橡胶(B),在第二阶段中,将第三单体(d)或多个添加到所得橡胶(B)中以形成第二混合物(C),由此橡胶(B )在第三单体(d)中溶解或溶胀,或者在添加溶剂的情况下,在第三阶段中,形成的第二混合物(C)与自由基聚合,得到橡胶改性的成型材料(D ),并且在该聚合期间或之后,混合物在> 120℃下与含有至少两个过氧基团的化合物(e)反应。

    Preparation of ABS molding materials
    6.
    发明授权
    Preparation of ABS molding materials 失效
    ABS成型材料的制备

    公开(公告)号:US5387650A

    公开(公告)日:1995-02-07

    申请号:US179822

    申请日:1994-01-11

    CPC分类号: C08F279/04

    摘要: A process for the continuous preparation of high-impact polystyrene-acrylonitrile (ABS) by free radical-initiated polymerization of a mixture of from 60 to 90% by weight of at least one vinylaromatic monomer and from 10 to 40% by weight of least one further ethylenically unsaturated monomer, in the presence of from 5 to 30% by weight, based on the sum of the monomers, of polybutadiene having a solution viscosity (5% strength by weight in styrene at 25.degree. C.) from 25 to 95 mPa.s and in the presence or absence of a solvent, in at least three consecutive reactors operated essentially without back-mixing, at from 50.degree. to 170.degree. C., phase inversion taking place in one of the reactors, involves carrying out the polymerization as far as phase inversion at 90.degree. C. or below and initiating the polymerization by free radicals from the decomposition of tert-butyl peresters whose half life period at 90.degree. C. is not more than 20 minutes, the polybutadiene content, based on the total reaction mixture, being at least 10% by weight and at most 25% of the total amount of chain-transfer agent (regulator) required being added up to the time of phase inversion and the remainder being added thereafter.

    摘要翻译: 通过60至90重量%的至少一种乙烯基芳族单体和10至40重量%的至少一种乙烯基芳族单体的混合物的自由基引发聚合来连续制备高抗冲聚苯乙烯 - 丙烯腈(ABS)的方法 在5至30重量%的存在下,基于单体的总和,具有25至95mPa的溶液粘度(苯乙烯在25℃下为5重量%重量)的聚丁二烯存在下进一步的烯键式不饱和单体 并且在存在或不存在溶剂的情况下,在至少三个连续的反应器中基本上不进行反混操作,在50℃至170℃下,在一个反应​​器中进行相转化,包括进行聚合 只要在90℃以下的相转化,并且通过自由基从90℃的半衰期不超过20分钟的叔丁基过氧化物的分解开始聚合,聚丁二烯含量基于 总反应 混合物的至少10重量%和至多25重量%的链转移剂(调节剂)的总量相加,直至相转化时间为止,然后加入余量。

    ABS molding materials having a bimodal rubber particle size distribution
    8.
    发明授权
    ABS molding materials having a bimodal rubber particle size distribution 失效
    具有双峰橡胶粒度分布的ABS成型材料

    公开(公告)号:US5434218A

    公开(公告)日:1995-07-18

    申请号:US225928

    申请日:1994-04-11

    IPC分类号: C08L25/12 C08L55/02

    摘要: Rubber-modified, impact-resistant molding materials contain, based on the sum of A, B1 and B2,A: from 70 to 98% by weight of a polymer matrix A formed by free radical polymerization of a mixture of from 60 to 90% by weight of styrene and from 10 to 40% by weight of acrylonitrile,B1: from 1 to 29% by weight of a particulate, first graft copolymer B1 which is distributed in the matrix A and consists of a grafting base of polybutadiene and grafts of a copolymer of styrene and acrylonitrile having a mean particle size of about 100-500 nm, andB2: from 1 to 29% by weight of a particulate, second graft copolymer B2 distributed in the matrix A and consisting of a grafting base of polybutadiene and grafts of a copolymer of styrene and acrylonitrile having a mean particle size of from 600 to 10,000 nm, as obtained if both graft copolymers have been prepared by solution and/or mass polymerization and have been incorporated in the polymer matrix in a conventional manner.

    摘要翻译: 橡胶改性耐冲击成型材料基于A,B1和B2的总和含有A:70至98重量%的通过60至90重量%的混合物的自由基聚合形成的聚合物基质A, 的苯乙烯和10至40重量%的丙烯腈,B1:1至29重量%的分散在基体A中的颗粒状第一接枝共聚物B1,其由聚丁二烯的接枝碱和 平均粒度为约100-500nm的苯乙烯和丙烯腈的共聚物,以及B2:1至29重量%的分散在基体A中的颗粒状第二接枝共聚物B2,其由聚丁二烯的接枝碱和 如果两种接枝共聚物均通过溶液和/或大量聚合制备并且以常规方式掺入到聚合物基质中,则平均粒径为600至10,000nm的苯乙烯和丙烯腈共聚物的接枝。

    Preparation of ABS molding materials
    9.
    发明授权
    Preparation of ABS molding materials 失效
    ABS成型材料的制备

    公开(公告)号:US5278253A

    公开(公告)日:1994-01-11

    申请号:US764866

    申请日:1991-09-24

    摘要: A process for the continuous preparation of ABS polymers by free-radical-initiated polymerization of, in particular, styrene and acrylonitrile in the presence of polybutadiene, in the presence or absence of a solvent, in a reactor cascade comprising at least 3 stirred reactors operating essentially without back-mixing, at least some of which contain internal cooling tubes for dissipating the heat of polymerization, at from 50 to 180.degree. C., phase inversion taking place in one of the reactors which contains means for generating a high shear force, and an apparatus for carrying out the process comprising an essentially cylindrical/tubular vessel jacket and a cylindrical internal element connected to a stirrer shaft by rotational force and having an external diameter which is slightly less than the internal diameter of the vessel jacket.

    摘要翻译: 在存在或不存在溶剂的情况下,在存在或不存在溶剂的情况下,通过自由基引发聚合特别是苯乙烯和丙烯腈,在包含至少3个搅拌反应器的反应器级联中连续制备ABS聚合物的方法 基本上没有反混合,其中至少一些包含用于消散聚合热的内部冷却管,温度为50至180℃,在包含用于产生高剪切力的装置的反应器之一中发生相转化, 以及用于执行该方法的装置,其包括基本上圆柱形/管状容器护套和通过旋转力连接到搅拌器轴的圆柱形内部元件,并且具有略小于容器护套内径的外径。