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Progress and Application of Biodegradable Plastic Derived from Copolymerization of Carbon Dioxide with Epoxides
Pages: 241-248
Year: Issue:  3
Journal: Petrochemical Technology

Abstract: CO2与环氧化物共聚生成脂肪族聚碳酸酯,不仅缓解了石油资源短缺的问题,而且生成的塑料可降解,能避免二次污染问题.对CO2与环氧化物共聚的催化体系﹑反应机理及合成工艺等方面进行了综述;CO2与环氧丙烷共聚得到的聚甲基乙撑碳酸酯(PPC)为无定形聚合物,玻璃化转变温度在40 ℃左右,因此受其本身力学性能和热性能的影响,在单独作为一种结构材料使用时受到较大限制,必须对其进行物理或化学改性.还讨论了PPC...
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