首页> 外国专利> IMPACT MODIFIER WITH HIGH REFRACTIVE INDEX FOR EXCELLENT COLORING AND TOUGHENING ABILITY AT LOW TEMPERATURE, AND METHOD FOR PREPARING THE SAME

IMPACT MODIFIER WITH HIGH REFRACTIVE INDEX FOR EXCELLENT COLORING AND TOUGHENING ABILITY AT LOW TEMPERATURE, AND METHOD FOR PREPARING THE SAME

机译:具有高折光指数的冲击改性剂,在低温下具有出色的着色和增韧能力,以及制备该改性剂的方法

摘要

Provided are an impact modifier which has a high refractive index, its preparation method, and a thermoplastic resin composition containing the impact modifier which is excellent in coloration and low temperature impact resistance. The impact modifier comprises a rubber core which is prepared by firstly swelling polymerizing a styrene-based aromatic compound in the presence of an organosiloxane crosslinked polymer particle having a particle size of 50-400 nm to prepare a polymer, adding an alkyl acrylate to the polymer to secondly swell it, and crosslinking polymerizing it; and a plastic shell which is a polymer or copolymer prepared by graft polymerizing a vinyl monomer on the rubber core. The impact modifier has a refractive index of 1.490-1.590.
机译:本发明提供具有高折射率的抗冲改性剂,其制备方法以及包含着色和低温耐冲击性优异的抗冲改性剂的热塑性树脂组合物。所述抗冲改性剂包括橡胶芯,该橡胶芯是通过首先在粒径为50-400nm的有机硅氧烷交联的聚合物颗粒的存在下使苯乙烯基芳族化合物溶胀以制备聚合物,然后向该聚合物中添加丙烯酸烷基酯而制备的。其次溶胀,并使其交联聚合;塑料壳是通过将乙烯基单体接枝聚合在橡胶芯上而制备的聚合物或共聚物。抗冲改性剂的折射率为1.490-1.590。

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