用偶氮二异丁腈(AIBN)引发丙烯酸与丙烯酸芘甲酯进行自由基聚合,得到丙烯酸-丙烯酸芘甲酯两亲性共聚物.利用傅里叶变换红外光谱仪(FT-IR)和紫外分光光度计(UV)对聚合物的结构进行了表征.结果表明,聚合反应成功,所得共聚物中丙烯酸与丙烯酸芘甲酯的物质的量比为20∶1.此共聚物在水中可自组装形成胶束,动态光散射(DLS)及扫描电镜测试结果表明,胶束粒径约170 nm.此胶束具有光响应性,可在紫外光的照射下发生瓦解.
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