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介绍了近年来淀粉基塑料、聚乳酸(PLA)基塑料的制备和降解方法。合适的改性剂、成型和降解方法,可以使淀粉和PLA成为力学性能和降解性能互补的共混体系。PLA/淀粉共混复合材料可作为以石油为原料的塑料的替代品。
The preparation and degradation methods of starch-based plastics and polylactic acid (PLA) -based plastics are introduced in recent years. Suitable modifiers, molding and degradation methods can make starch and PLA into blends with complementary mechanical and biodegradability. PLA / starch blend composites can be used as a substitute for petroleum-based plastics.