申请人:Toyo Ink SC Holdings Co., Ltd.
公开号:EP2911004A1
公开(公告)日:2015-08-26
An embodiment of the present invention relates to a polymeric dispersant for a liquid developer, which is obtained by copolymerizing at least an ethylenically unsaturated monomer having an amino group, an ethylenically unsaturated monomer having an alkyl group with a carbon number of 9 to 24, and an ethylenically unsaturated monomer represented by general formula (1) shown below:
General formula (1) CH2=C(R1)COO(AO)nR2
wherein, R1 represents H or CH3, R2 represents a hydrogen atom or a hydrocarbon group having a carbon number of 1 to 22, n represents an integer of 1 to 200, and A represents an alkylene group having a carbon number of 2 to 4.
本发明的一个实施方案涉及一种用于液体显影剂的聚合物分散剂,它是由至少一种具有氨基的乙烯基不饱和单体、一种具有碳原子数为 9 至 24 的烷基的乙烯基不饱和单体和一种由下图所示通式(1)表示的乙烯基不饱和单体共聚而成:
通式(1) CH2=C(R1)COO(AO)nR2
其中,R1 代表 H 或 CH3,R2 代表氢原子或碳原子数为 1 至 22 的烃基,n 代表 1 至 200 的整数,A 代表碳原子数为 2 至 4 的亚烷基。