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shui ning jiao zai yi xue zhong de ying yong
Author(s): 
Pages: 36-39
Year: Issue:  12
Journal: New Chemical Materials

Keyword:  聚合物水凝胶高含水率医用材料机体适应性切削加工天然聚合物聚乙烯醇甲基丙烯酸酯透氧性药物缓释;
Abstract: <正> 自1960年Wichterle等人发表了聚(2-羟乙基甲基丙烯酸酯)(PHEMA)水凝胶以来,水凝胶即作为医用材料引起了人们的重视。过去动物胶、琼脂等天然聚合物和聚乙烯醇等合成聚合物水凝胶曾用作医用材料,但其性能和成型加工等特性不理想。无水PHEMA与PMMA一样可用车床切削加工,但如其含水率约达38%时,即成为有橡胶弹性的透明水凝胶。PHEMA水凝胶有优异的机体适应性。
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