表面接枝PHAMA对硅橡胶亲水性能的影响

将透明质酸钠盐与甲基丙烯酸酐在40 ℃下反应6 h，合成透明质酸甲基丙烯酸酯（HAMA），再通过紫外光辐照接枝反应将聚HAMA（PHAMA）接枝到甲基乙烯基硅橡胶表面。傅里叶红外光谱、扫描电子显微镜和热重分析均表明PHAMA接枝成功，PHAMA接枝硅橡胶的表面接触角由硅橡胶的107.5°减小到68.7°，亲水性得到改善。;The hyaluronic acid sodium salt was reacted with methacrylic anhydride at 40 ° C for 6 h to synthesize hyaluronic acid methacrylate（HAMA），and then PHAMA was grafted onto the surface of methyl vinyl silicone rubber by ultraviolet radiation.Fourier infrared spectroscopy，scanning electron microscopy and thermogravimetric analysis showed that PHAMA grafted successfully.The surface contact angle of PHAMA grafted silicone rubber decreased from 107. 5° to 68. 7°，and the hydrophilicity improved