申请人:SUMITOMO CHEMICAL COMPANY, LIMITED
公开号:US20210047449A1
公开(公告)日:2021-02-18
A copolymer useful as an ingredient of a colored resin composition, comprising a structural unit derived from an aromatic carboxylic acid having an ethylenically unsaturated bond, a structural unit (Ab) represented by formula (Z), and a structural unit (Ac) derived from an unsaturated compound having a cyclic ether structure having 2 to 4 carbon atoms, wherein L represents a single bond or a divalent linking group, A represents a phenyl group optionally having a substituent other than a carboxy group or a naphthyl group optionally having a substituent other than a carboxy group, R
a
represents a hydrogen atom, or an alkyl group having 1 to 4 carbon atoms, and a hydrogen atom contained in the alkyl group is optionally replaced by a hydroxy group.
一种共聚物,可用作有色树脂组分的成分,包括从含有乙烯基不饱和键的芳香族羧酸衍生的结构单元,由式(Z)表示的结构单元(Ab),以及从具有具有2到4个碳原子的环氧结构的不饱和化合物衍生的结构单元(Ac),其中L表示单键或二价连接基团,A表示苯基,可选地具有除羧基或萘基以外的取代基,Rarepresents表示氢原子或具有1到4个碳原子的烷基,烷基中的氢原子可选地被羟基取代。