利用戊二酸锌(ZnGA)催化制备二氧化碳(CO2)、环氧丙烷(PO)和降冰片烯二酸酐(EA)三元共聚物，得到了一种新型的脂肪族聚碳酸酯(PPCEA)，产物产率高。利用核磁共振氢谱(1 H NMR)和凝胶渗透色谱(GPC)表征了聚合物结构。研究结果表明，戊二酸锌能够有效催化 CO2、PO 和 EA 三元共聚合反应，所得三元共聚物 PPCEA相比于聚碳酸亚丙酯(PPC)具有高的热性能、力学性能和降解性能。
Terpolymerization of carbon dioxide(CO2 ),propylene oxide(PO)and endic anhydride(EA)was suc-cessfully carried out using zinc glutarate (ZnGA)as catalyst,consequently giving a new type of polycarbonate(PP-CEA)in high yield.The resulting terpolymers were fully characterized by 1 H NMR and GPC techniques.The results showed that zinc glutarate could catalyze the terpolymerization of CO2 ,PO,EA effectively;and PPCEAs exhibited su-perior thermal,mechanical performance and high degradability compared with PPC.
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