A novel pH-sensitive polymer was synthesized by co-polymerization of N-isopropylacrylamide (NIP), butyl methacrylate (BMA) and methacrylic acid (MAA).

• 通过将N-异丙基丙烯酰胺(NIP)、甲基丙烯酸丁酯(BMA)和甲基丙烯酸(MAA)共聚得到了一种新型的pH敏感高分子；其相转变pH(pHtr)在37℃下为6.；0; 当溶液pH>6