A comblike polymer based on methyl vinyl etherlmaleic anhydride copolymerbackbone and with oligo-oxyetl1ylene side chins was synthesized for the first time.

• 聚乙二醇单甲醚和甲醇依次与马来酸酐／乙烯基甲醚交替共聚物在溶液中两度酯化，合成了侧链长度不同的3种梳形高分子。