(METH)ACRYLIC COPOLYMER, RESIN COMPOSITION, MOLDED BODY OF SAME, AND METHOD FOR PRODUCING MOLDED BODY
申请人:Mitsubishi Gas Chemical Company, Inc.
公开号:EP3517571A1
公开(公告)日:2019-07-31
Provided is a resin composition which is capable of forming a molded body that has excellent surface hardness, transparency, hue and weather resistance, while exhibiting excellent wet heat resistance. A resin composition which contains a (meth)acrylic copolymer (A) and a polycarbonate-based resin (B), and wherein: the (meth)acrylic copolymer (A) contains an aromatic (meth)acrylate unit (al), a methyl (meth)acrylate unit (a2) and a (meth)acrylate unit (a3) represented by formula (1); the mass ratio (al)/(a2) is from 5/95 to 85/15; the content of the unit (a3) is 0.1-10 parts by mass relative to 100 parts by mass of the total of the units (a1) and (a2); and the unit (a1) is different from the unit (a3).
本发明提供了一种树脂组合物,该树脂组合物能够形成表面硬度、透明度、色调和耐候性极佳的模塑体,同时还具有极佳的耐湿热性。一种树脂组合物,它含有(甲基)丙烯酸共聚物(A)和聚碳酸酯基树脂(B),其中:(甲基)丙烯酸共聚物(A)含有由式(1)表示的芳香族(甲基)丙烯酸酯单元(al)、(甲基)丙烯酸甲酯单元(a2)和(甲基)丙烯酸酯单元(a3);质量比(al)/(a2)为 5/95 至 85/15;单元(a3)的含量为 0.相对于单元(a1)和(a2)总质量的 100 质量份,单元(a1)的含量为 0.1-10 质量份;单元(a1)不同于单元(a3)。