The tilte product is prepared by taking maleic acid as major monomer, leading into sulfonyl and other functional groups,and then copolymerizing in aqueous phase with water - soluble initiator.

• 以马来酸（酐）为主要共聚单体,并引入磺基等多种功能团,采用水溶性引发剂在水相中进行多元共聚。