申请人:Kuraray Co., Ltd.
公开号:EP3521364A1
公开(公告)日:2019-08-07
A copolymer composition comprising 100 parts by mass of a copolymer comprising a structural unit derived from a monomer represented by a formula (1) and a structural unit derived from another radical polymerizable monomer, and having a content of a phosphorus atom derived from the monomer represented by the formula (1) of 0.5 to 6.0% by mass, and 0.01 to 7.0 parts by mass of a compound represented by a formula (2),
wherein in the formula (1), R1 represents a hydrogen atom or a methyl group, R2 represents an alkylene group having 1 to 4 carbon atoms, and R3 and R4 each independently represent a hydrogen atom or an alkyl group having 1 to 10 carbon atoms,
wherein in the formula (2), R2 represents an alkylene group having 1 to 4 carbon atoms, R3 and R4 each independently represent a hydrogen atom or an alkyl group having 1 to 10 carbon atoms, and R5 represents an alkyl group having 1 to 10 carbon atoms.
一种共聚物组合物,包括 100 质量份的共聚物,该共聚物的结构单元由式(1)所代表的单体和另一种可自由基聚合的单体所衍生的结构单元组成,且由式(1)所代表的单体衍生的磷原子含量为 0.5 至 6.0%(质量份),以及 0.01 至 7.0 质量份的式(2)所代表的化合物、
式(1)中,R1 代表氢原子或甲基,R2 代表具有 1 至 4 个碳原子的亚烷基,R3 和 R4 各自独立地代表氢原子或具有 1 至 10 个碳原子的烷基、
式(2)中,R2 代表具有 1 至 4 个碳原子的亚烷基,R3 和 R4 各自独立地代表氢原子或具有 1 至 10 个碳原子的烷基,R5 代表具有 1 至 10 个碳原子的烷基。