利用负载二元羧酸锌催化剂在不添加任何溶剂的情况下进行二氧化碳和环氧丙烷、环氧乙烷的共聚反应,合成了降解材料三元共聚物聚甲基乙撑-乙撑碳酸酯.利用凝胶渗透色谱法、红外光谱、核磁氢谱和碳谱、热分析等对其结构和热性能进行了表征.结果表明,这些三元共聚物主链上具有较高的碳酸酯键含量和较高的分子量,与二元共聚物相比,热学性能没有明显的改变,5%失重温度(TGA-5%)高于250 ℃.
参考文献
[1] | Du LC.;Meng YZ.;Wang SJ.;Tjong SC. .Synthesis and degradation behavior of poly(propylene carbonate) derived from carbon dioxide and propylene oxide[J].Journal of Applied Polymer Science,2004(3):1840-1846. |
[2] | Inoue S.[M].,1976:588. |
[3] | 方兴高;杨淑英;陈立班.[J].功能高分子学报,1994(07) |
[4] | Wang SJ.;Du LC.;Zhao XS.;Meng YZ.;Tjong SC. .Synthesis and characterization of alternating copolymer from carbon dioxide and propylene oxide[J].Journal of Applied Polymer Science,2002(11):2327-2334. |
[5] | Zhu Q;Meng Y Z;Tjong S C et al.[J].POLYM INTERNATIONAL,2002,51:1079. |
[6] | REE M.;BAE J.Y. .A New Copolymerization Process Leading to Poly(propylene carbonate) with a Highly Ehanced Yield from Carbon Dioxide and Propylene Oxide[J].Journal of Polymer Science, Part A. Polymer Chemistry,1999(11):1863-1876. |
[7] | Li XH.;Meng YZ.;Zhu Q.;Xu Y.;Tjong SC. .Melt processable and biodegradable aliphatic polycarbonate derived from carbon dioxide and propylene oxide[J].Journal of Applied Polymer Science,2003(12):3301-3308. |
[8] | Kawaguchi T;Inoue S .[J].CHEMICAL AND PHARMACEUTICAL BULLETIN,1983,31:1400. |
[9] | Inoue S .[J].J Macromol Sci Chem,1979,A13(05):651. |
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