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    • 2. 发明申请
    • Molding material containing a matting agent
    • 含有消光剂的成型材料
    • US20070066708A1
    • 2007-03-22
    • US10579843
    • 2004-09-15
    • Thorsten GoldackerAndreas SpiessReiner MuellerKlaus SchultesUwe Numrich
    • Thorsten GoldackerAndreas SpiessReiner MuellerKlaus SchultesUwe Numrich
    • C09D11/00
    • C08L51/003C08F265/04C08F265/06C08F279/02C08L33/12C08L35/06C08L55/02C08L101/00C08L2205/22C08L2666/02C08L2666/04
    • The invention relates to a moulding composition, comprising a) 50 to 99.9% by weight of a matrix composed of a thermoplastic polymer and b) from 0.1 to 50% by weight of a matting agent in the form of a (meth)acrylate copolymer dispersed in the matrix, characterized in that the matting agent is a (meth)acrylate copolymer which has been prepared from the following monomers, b1) from 50 to 95% by weight of methyl methacrylate b2) from 5 to 50% by weight of C1-C6-alkyl acrylates b3) from 0.01 to less than 0.5% by weight of a crosslinking monomer and/or graft-linking agent having two or more ethylenically unsaturated radicals capable of free-radical polymerization, b4) from 0 to 20% by weight of one or more other, non-crosslinking ethylenically unsaturated monomers capable of free-radical polymerization, where the entirety of the constituents b1) and b2) and, where appropriate, b3) and/or b4) gives 100% by weight, and the glass transition temperature Tmg of the matting agent is at least 20° C.
    • 本发明涉及一种模塑组合物,其包含a)50-99.9重量%的由热塑性聚合物组成的基质和b)0.1至50重量%的分散在(甲基)丙烯酸酯共聚物形式的消光剂 在基质中,其特征在于消光剂是由以下单体制备的(甲基)丙烯酸酯共聚物,b1)50-95重量%的甲基丙烯酸甲酯b2)5-50重量% 烷基丙烯酸酯b3)0.01至小于0.5重量%的交联单体和/或具有两个或更多个烯属不饱和基团的接枝交联剂 的自由基聚合,b4)0至20重量%的一种或多种能够进行自由基聚合的其它非交联烯键式不饱和单体,其中组分b1)和b2的整体),并且在适当的情况下, b3)和/或b4)给出100重量%,玻璃化转变温度T 消光剂至少为20℃