The water soluble acrylic copolymer showed surficial activity and the CMC of the critical water -soluble acrylic copolymer was 0. 2%.

• 水溶性丙烯酸共聚物具有表面活性；临界水溶性丙烯酸共聚物的临界胶束浓度(CMC)值为0.；2%25(质量分数)。