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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
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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
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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.
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