生物可降解塑料是一类可由自然界微生物作用使其降解的高分子聚合物。由于其具有良好的生物降解性及生物相容性使其成为当前高分子材料领域研究的热点。但在具体实际应用中仍然存在一些不足,因此国内外研究人员也对其开展了相应的改性研究。首先对高分子生物可降解塑料的种类、合成、优劣势以及应用进行了比较,继而综述了近年来生物可降解塑料改性的研究进展,并对化学改性和物理改性进行了比较,最后对生物可降解塑料改性中存在的问题进行了分析并对其在未来的发展应用作出了总结与展望。
Biodegradable plastics are a class of polymer materials that can be degraded by the action of natural microorganisms.Because of its good degradation,low production cost and good mechanical properties,it has become the hotpoint of current research.But there are still some shortcomings in the practical application,so domestic and foreign experts and scholars are studying its modified research.The types,synthesis,advantages and disadvantages of polymer biodegradable plastics were compared.Secondly,the practical application in recent years was analyzed,and the chemical and physical modification were compared.The problems of biodegradable plastic modification were analyzed,and its future development and application were summary and outlined.
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基金资助
国家自然科学基金(31570097)
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