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化学进展 2011, Vol. 23 Issue (4): 613-622   后一篇

• Mini Accounts •

二氧化碳基共聚物

秦玉升, 王献红*, 王佛松   

  1. 中国科学院长春应用化学研究所生态环境高分子材料院重点实验室 长春 130022
  • 收稿日期:2010-11-30 出版日期:2011-04-24 发布日期:2011-03-25
  • 通讯作者: e-mail: xhwang@ciac.jl.cn E-mail:xhwang@ciac.jl.cn
  • 作者简介:Prof. Wang Xianhong was born in 1966. He received bachelor’s degree in 1988 from Shanghai Jiaotong University, and Ph.D. in polymer chemistry and physics in Dec. 1993 from Changchun Institute of Applied Chemistry, Chinese Academy of Sciences. His research interests are conductive polymer and CO2-ba sed copolymer. His g roup developed industry viable rare earth coordination ternary catalyst, which has been used in pilot scale production of poly( propylene ca rbonat e), an alternating copolymer of CO2 and propylene oxide, in Inner Mongolia Mengxi High-Tech Corporation and China National Offshore Oil Company. Now he is the co-author of more than 110 publications, and co-inventor of over 30 Chinese patents, he is also the co-inventor of 4 US patents.
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Recent Advances in Carbon Dioxide Based Copolymer

Qin Yusheng, Wang Xianhong*, Wang Fosong   

  1. Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
  • Received:2010-11-30 Online:2011-04-24 Published:2011-03-25

二氧化碳共聚物利用温室气体二氧化碳为原料,具备良好的生物降解性能,成本相对较低,是一种理想的全降解型塑料品种。近年来,随着催化剂技术的发展,二氧化碳共聚物工业化进程已经起步,但催化剂成本较高、聚合周期较长、聚合物的热学和力学性能不理想等因素限制了其推广和应用。本实验室制备的无机物负载稀土三元催化剂,催化活性提高了36%。同时利用提高分子量、交联和制备区域规整聚合物的方法成功地提高了聚碳酸丙烯酯的分子间相互作用力,实现了二氧化碳共聚物的热学、力学性能的改善。

关键词： 二氧化碳, 聚碳酸丙烯酯, 稀土三元催化剂, 分子间相互作用

Carbon dioxide based copolymers utilize greenhouse gas CO2 and can be applied in research and industry, which makes it become one of the emerging low cost biodegradable plastics. This paper summarizes our achievements in improvement of catalytic activity for propylene oxide (PO)-CO2 copolymerization and enhancing molecular chain interaction of poly(propylene carbonate) (PPC). The supported strategy on rare-earth ternary catalyst showed 36% increase in catalytic activity. Three strategies including increasing molecular weight of PPC, crosslinking of PPC and preparation of regio-regular PPC were used to enhance molecular chain interaction of carbon dioxide based copolymers, which were effective in improving the thermal and mechanical performances of CO2 copolymers.

Key words: carbon dioxide, poly(propylene carbonate), ternary rare-earth catalyst, molecular chain interaction

中图分类号: 

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二氧化碳基共聚物