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Issue:
shui ning jiao zai yi xue zhong de ying yong
Author(s):
LV Hongjiu
Pages:
36
-
39
Year:
1984
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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