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    • 1. 发明授权
    • Method for preparing of weatherability thermoplastic resin
    • 耐候性热塑性树脂的制备方法
    • US06806315B2
    • 2004-10-19
    • US10363585
    • 2003-03-04
    • Yang-Hyun ShinKeun-Hoon YooTae-Bin AhnChan-Hong Lee
    • Yang-Hyun ShinKeun-Hoon YooTae-Bin AhnChan-Hong Lee
    • C08L1300
    • C08F265/04C08F285/00C08F212/10
    • A method for preparing a weatherable thermoplastic resin, having superior weatherability and colorability and a weatherable thermoplastic resin prepared by the method are provided. The method includes preparing a seed by adding a water-soluble initiator to either an aromatic vinyl compound or a (meth)acrylic acid alkyl ester to obtain a first compound and performing polymerization with respect to the first compound; preparing an alkyl acrylate rubber polymer by adding an alkyl acrylate monomer, a first emulsifier of pH about 3 to about 9, and an oil-soluble initiator to the seed to obtain a second compound and performing polymerization with respect to the second compound; and preparing graft copolymer by adding the aromatic vinyl compound, a vinyl cyanide compound, a second emulsifier of pH about 9 to about 13, and the oil-soluble initiator to the alkyl acrylate rubber polymer to obtain a third compound and performing graft copolymerization with respect to the third compound.
    • 提供了一种制备具有优异的耐候性和着色性的耐候性热塑性树脂的方法和通过该方法制备的耐候性热塑性树脂。 该方法包括通过向芳族乙烯基化合物或(甲基)丙烯酸烷基酯中加入水溶性引发剂以获得第一化合物并相对于第一化合物进行聚合来制备种子; 通过向种子中加入丙烯酸烷基酯单体,pH约3至约9的第一乳化剂和油溶性引发剂以制备丙烯酸烷基酯橡胶聚合物以获得第二化合物并相对于第二化合物进行聚合; 并通过将芳族乙烯基化合物,乙烯基氰化合物,pH约9至约13的第二乳化剂和油溶性引发剂加入到丙烯酸烷基酯橡胶聚合物中制备接枝共聚物,以获得第三种化合物,并进行接枝共聚 到第三化合物。