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中文摘要：
以聚对苯二甲酸乙二酯（PET）瓶片为主要原料，加入聚碳酸酯（PC）、热塑性弹性体及扩链剂，采用低温固相反应挤出制备了具有良好强度与韧性的新型合金．在加工过程中产生PET相和PC相互穿的网络结构的同时，反应性扩链剂在PET相中发生交联反应，形成了次级网络结构．由于这些网络结构的存在，使合金材料的力学性能得到明显提高，特别是缺口冲击性能有了明显的改善．
英文摘要：
By adding of chain extender and thermo plastic elastomer, PET/PC reactive alloys were prepared via low temperature solid-state blending. Novel toughening alloy is gained with outstanding mechanical properties and thermal properties. The structures of PET/PC alloys were studied and the multiple network which was formed by this processing greatly reinforced the alloy.
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