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CN101633769B 一种聚丙烯酸酯树脂组合物及其制备方法 有权

一种聚丙烯酸酯树脂组合物及其制备方法
摘要：
一种聚丙烯酸酯树脂组合物及其制备方法。聚丙烯酸酯树组合物含有以下组分，以组合物为100质量份数计：A 30～60份芳基乙烯单体-腈基乙烯单体接枝共聚物，B 35～65份苯乙烯-丙烯腈共聚物，共聚物中芳基乙烯类单元占65～78％，腈基乙烯基单元占22～35％，C 0～8份选自粉末丁腈橡胶、粉末丁苯橡胶、粉末聚丁二烯中的一种或多种，其中芳基乙烯单体-腈基乙烯单体接枝共聚物A是以聚丙烯酸酯和聚二烯烃为混合接枝芯(Al)和以芳基乙烯单体和腈基乙烯单体为接枝壳(A2)的接枝共聚物，聚丙烯酸酯接枝芯的胶乳粒径为200～600nm，凝胶含量88％～93％，接枝共聚物A中聚丙烯酸酯单元占25～70％(wt)，聚二烯烃单元占0.5％～10％(wt)，芳基乙烯单元占15％～65％(wt)，腈基乙烯基单元占1.5％～35％(wt)。
摘要（英）：

The invention discloses a polyacrylate resin composition and a preparation method thereof. The polyacrylate resin composition comprises the following components (based on 100 mass portions of composition): 30 to 60 portions of aryl vinyl monomer-nitrile vinyl monomer graft copolymer A, 35 to 65 portions of vinyl benzene-acrylonitrile copolymer B, and 0 to 8 portions of one or more of butyronitrile rubber powder, butylbenzene rubber powder and polybutadiene powder C, wherein the aryl vinyl unit in the copolymer accounts for 65 to 78 percent, and the nitrile vinyl unit accounts for 22 to 35 percent; the aryl vinyl monomer-nitrile vinyl monomer graft copolymer A is a graft copolymer which uses polyacrylate and polydiene as mixed graft core (A1) and uses aryl vinyl monomer and nitrile vinyl monomer as graft shell (A2); and the latex particle diameter of the polyacrylate graft core is 200 to 600 nanometers, the content of gel is 88 to 93 percent, the polyacrylate unit in the graft copolymer A accounts for 25 to 70 percent by weight, the polydiene unit accounts for 0.5 to 10 percent by weight, the aryl vinyl unit accounts for 15 to 65 percent by weight, and the nitrile vinyl unit accounts for 1.5 to 35 percent by weight.

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