Catalyst for producing aliphatic polycarbonate and the preparation thereof
- 申请号:US20010943217
- 专利类型:US
- 申请(专利权)人:中国科学院长春应用化学研究所
- 公开(公开)号:US6815529
- 公开(公开)日:2004.11.09
- 法律状态:
- 出售价格: 面议 立即咨询
专利详情
专利名称 | Catalyst for producing aliphatic polycarbonate and the preparation thereof | ||
申请号 | US20010943217 | 专利类型 | US |
公开(公告)号 | US6815529 | 公开(授权)日 | 2004.11.09 |
申请(专利权)人 | 中国科学院长春应用化学研究所 | 发明(设计)人 | WANG FOSONG (CN); WANG XIANHONG (CN); ZHAO XIAOJIANG (CN) |
主分类号 | C08G64/34 | IPC主分类号 | C08G64/34;B01J31/20;B01J31/16;B01J27/20 |
专利有效期 | Catalyst for producing aliphatic polycarbonate and the preparation thereof 至Catalyst for producing aliphatic polycarbonate and the preparation thereof | 法律状态 | |
说明书摘要 | This invention relates to a catalyst for producing aliphatic polycarbonate, which is composed of a rare-earth coordination compound; an alkyl metal compound; a polyol; and a carbonate. The catalytic efficiency of the catalyst of the present invention is more than 8x10<4 >g polymer/mol RE(RE is rare earth metal). The number average molecular weight of the polymer is higher than 30,000. The degree of carbon dioxide fixation is more than 42 wt % and the content of alternative sequence structure exceeds 97%. |
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