由聚乙二醇(PEG)、对苯二异氰酸酯(PPDI)、2,2-双(羟基甲基)丙酸(DMPA)和藻红B(EB)为主要原料,采用一步合成法合成了一系列带有自由羧基的荧光聚氨酯多嵌段共聚物.通过核磁共振氢谱、傅里叶变换红外光谱、凝胶渗透色谱法等测试方法表征了聚合物的结构.荧光光谱证实EB被成功地接在聚氨酯多嵌段共聚物上;动态激光光散射法测得该嵌段聚合物胶束粒径为208nm左右;透射电子显微镜表明该胶束粒子呈现出球型形态.
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