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    • 2. 发明授权
    • Preparation of homo- and copolymers having terminal mercapto groups and
their use
    • 具有末端巯基的均聚物和共聚物的制备及其用途
    • US4839434A
    • 1989-06-13
    • US205178
    • 1988-06-10
    • Klaus BronstertHans-Michael WalterHans-Dieter Schwaben
    • Klaus BronstertHans-Michael WalterHans-Dieter Schwaben
    • C08C19/44C08F8/34C08F293/00C08F297/02C08F297/04
    • C08F293/00C08C19/44C08F8/34C08F2810/40
    • Homo- or copolymers which have terminal mercapto groups, are composed of one or more monomers from the group consisting of butadiene, isoprene and styrene and are obtained by anionic polymerization of one or more of the stated monomers in the presence of one or more organolithium compounds followed by reaction (of the living anions) with an episulfide of the general formula I ##STR1## where R is hydrogen, alkyl of 1 to 18 carbon atoms or aryl of 6 to 10 carbon atoms, with the formation of one or more primary or secondary mercapto groups at the end of the polymer chain(s) are prepared by a process in which a thiolcarboxylic acid of the general formula II ##STR2## where R.sup.1 is hydrogen, alkyl of 1 to 10 carbon atoms or --CH.sub.2 --COOH and R.sup.2 is 0 or from 1 to 10 CH.sub.2 units, is added directly to the resulting reaction mixture in an amount of from 0.5 to 2 moles of the thiolcarboxylic acid per mole of episulfide, and the reaction product is subjected to an aftertreatment
    • 具有末端巯基的均聚物或共聚物由一种或多种来自丁二烯,异戊二烯和苯乙烯的单体组成,并且通过一种或多种所述单体在一种或多种有机锂化合物存在下的阴离子聚合获得 然后用活性阴离子与通式I的环硫化物反应,其中R是氢,1至18个碳原子的烷基或6至10个碳原子的芳基,形成一个或多个伯 或聚合物链末端的仲巯基通过以下方法制备:其中R 1为氢的通式II的硫醇羧酸,1至10个碳原子的烷基或-CH 2 -COOH,以及 R2为0或1至10个CH2单元,每摩尔环硫化物直接加入到所得反应混合物中的量为0.5至2摩尔硫羟羧酸,并将反应产物进行后处理
    • 4. 发明授权
    • Thermoplastics impact modified with functionalized polymers and use
thereof for producing moldings
    • 用功能化聚合物改性的热塑性塑料及其制造模具的用途
    • US5055527A
    • 1991-10-08
    • US541078
    • 1990-06-20
    • Klaus BronstertHans-Dieter SchwabenAdolf Echte
    • Klaus BronstertHans-Dieter SchwabenAdolf Echte
    • C08L9/00C08L25/04C08L35/06C08L53/02
    • C08L25/04C08L35/06C08L53/02C08L9/00
    • Impact modified thermoplastic blends of components A, B and optionally C, consisting of:A) from 99 to 60 percent by weight of a polymeric rigid matrix consisting ofa1) 60-99.5 percent by weight of an aromatic vinyl compound present as copolymerized units,a2) 0.5-20 percent by weight of an unsaturated carboxylic anhydride present as copolymerized units anda3) 014 35 percent by weight of an alkenylnitrile present as copolymerized units,B) from 1 to 40 percent by weight of a polymeric flexibilizing component consisting ofb1) 100-60 percent by weight of a monomer from the group of the 1,4-dienes which is present as copolymerized units andb2) 0-40 percent by weight of an aromatic vinyl compound present as copolymerized units. and optionallyC) customary additives in customary amounts, the polymers of flexibilizing component B having amino end groups, are used for producing moldings.
    • 组分A,B和任选C的抗冲改性热塑性共混物,由以下组成:A)99-60%重量的由a1)60-99.5%(重量)以共聚单元形式存在的芳族乙烯基化合物组成的聚合刚性基质, a2)0.5-20重量%作为共聚单元存在的不饱和羧酸酐和a3)作为共聚单元存在的作为共聚单元的链烯基腈的重量比为35重量%,B)1〜40重量%的由b1 )100-60重量%的作为共聚单元存在的1,4-二烯基的单体,和b2)0-40重量%作为共聚单元存在的芳族乙烯基化合物。 和任选的C)常规量的常规添加剂,具有氨基端基的增韧组分B的聚合物用于生产模制品。