申请人:Bayer Aktiengesellschaft
公开号:US04381359A1
公开(公告)日:1983-04-26
Stabilized thermoplastic moulding compositions comprising (1) from 10 to 90 parts by weight of a polycarbonate, based on aromatic dihydroxy compounds; and (2) from 90 to 10 parts by weight of a mixture of (2.1) from 25 to 100 parts by weight of a graft copolymer of a monomer mixture of styrene, methyl methacrylate or acrylonitrile polymerized on a rubber; of (2.2) from 0 to 20 parts by weight of a butadiene polymer having a butadiene content of at least 5 parts by weight; and (2.3) from 0 to 75 parts by weight of a copolymer of styrene, .alpha.-methyl styrene, methyl methacrylate, acrylonitrile or methacrylonitrile; containing 0.01 to 3.0% by weight, based on the whole stabilized mixture, of at least one ester of phosphorous acid and an ortho- or para-substituted phenol or bisphenol, and a process for their production.
本发明涉及稳定的热塑性模塑组合物,包括(1)基于芳香族二羟基化合物的聚碳酸酯,重量为10至90份;以及(2)重量为90至10份的混合物,其中包括(2.1)重量为25至100份的苯乙烯、甲基丙烯酸甲酯或丙烯腈单体混合物接枝共聚物,聚合在橡胶上;(2.2)重量为0至20份的丁二烯聚合物,其丁二烯含量至少为5份重量;以及(2.3)重量为0至75份的苯乙烯、α-甲基苯乙烯、甲基丙烯酸甲酯、丙烯腈或甲基丙烯腈共聚物,含有磷酸酯酸酯或邻位或对位取代的酚或双酚的至少1种,其重量为整个稳定混合物的0.01至3.0%。同时还涉及一种制备该组合物的方法。