申请人:Xerox Corporation
公开号:US20030176621A1
公开(公告)日:2003-09-18
Disclosed is a process for preparing a polymer of the formula
1
wherein x is an integer of 0 or 1, A is one of several specific groups, such as
2
B is one of several specified groups, such as
3
or mixtures thereof, and n is an integer representing the number of repeating monomer units, said process comprising (A) providing a reaction mixture which comprises (i) a solvent, (ii) a compound of the formula
4
(iii) a compound of the formula
5
(iv) a compound of the formula
6
wherein a is an integer of from 1 to 5, R′ is a hydrogen atom, an alkyl group, an aryl group, an arylalkyl group, an alkylaryl group, an alkoxy group, an aryloxy group, an arylalkyloxy group, an alkylaryloxy group, a polyalkyleneoxy group, or a mixture thereof, and (v) a carbonate base; and (B) heating the reaction mixture and removing generated water from the reaction mixture, thereby effecting a polymerization reaction.
本发明公开了一种制备式为
1
其中 x 是 0 或 1 的整数,A 是几个特定基团之一,例如
2
B 是几个特定基团之一,如
3
或其混合物,n 是代表重复单体单元数目的整数,所述工艺包括 (A) 提供反应混合物,其中包括 (i) 溶剂,(ii) 式中化合物
4
(iii) 式 4 的化合物
5
(iv) 式 6 的化合物
6
其中 a 是 1 至 5 的整数,R′ 是氢原子、烷基、芳基、芳烷基、烷芳基、烷氧基、芳氧基、芳烷氧基、烷芳氧基、聚烷氧基或它们的混合物,和 (v) 碳酸碱;和 (B) 加热反应混合物并从反应混合物中除去生成的水,从而进行聚合反应。