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Research on preparation and crystal property of biodegradable material polyglycolic acid
Author(s): 
Pages: 87-90
Year: Issue:  7
Journal: New Chemical Materials

Keyword:  生物降解材料 聚羟基乙酸 直接缩聚 络合钛;
Abstract: 聚羟基乙酸(以下简称PGA)是一种单元碳数最少的脂肪族聚酯,集优异的气体阻隔性、生物兼容性和可降解性于一身,极具发展潜力的新型包装材料,也是较重要的医用生物降解材料。采用逐级提高真空度和逐级升温的先进工艺流程,选用高效、环保的新型络合钛溶液作为催化剂,直接缩聚法制备高分子量PGA,研究了PGA在DMSO中重结晶前后的性能特点及对比。
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