Acopolymerofstyrene,styreneacrylonitrilehasimprovedpropertiesofstiffness,chemicalandscratchresistanceandhigherheatresistance.ItisproducedbythecopolymerizationofacrylonitrileandstyrenetoformtheSANpolymer.Duetothecopolymerization,thewater-whitecolorofpolyst (共 5602 字) [阅读本文] >>