Synthesis of linear low density polyethylene (LLDPE) by in situ copolymerization with novel cobalt and zirconium catalysts
文献类型：期刊论文
| 作者 | Wang, H; Ma, Z; Ke, YC; Hu, YL |
| 刊名 | POLYMER INTERNATIONAL
 |
| 出版日期 | 2003-09-01 |
| 卷号 | 52期号:9页码:1546-1552 |
| 关键词 | Catalysts Cobalt Catalyst In Situ Copolymerization Linear Lowdensity Polyethylene (Lldpe) Transition Metal Chemistry |
| ISSN号 | 0959-8103 |
| DOI | 10.1002/pi.1282 |
| 英文摘要 | New cobalt catalysts {[2,6-(CH3C=NAr)(2)C5H3N]CoCl2} (Ar=2-methyl-4-methoxyphenyl, 1) and (Ar=2,4-dimethylphenyl,2) were synthesized and found to exhibit good selectivity for alpha-olefins with methylaluminoxane (MAO) as co-catalyst. With only ethylene as the feed monomer cobalt catalysts 1 or 2 can be coupled with zirconium catalyst Dichloro [rac-ethylenebis(indenyl)]Zirconium (IV) rac-EtInd(2)ZrCl(2) (3) to produce linear low density polyethylene by in situ polymerization. Spectra of resulting materials exhibit ethyl, butyl and long-chain branches in the backbone of polyethylene. The ratio of Co/Zr and Deltat, which is defined as the interval between introductions of two catalysts into the reactor, influenced catalytic activity and the resulting materials greatly. Compatibility and complementary behaviour of different catalysts proved to be two most important factors for in situ copolymerization. (C) 2003 Society of Chemical Industry. |
| 语种 | 英语 |
| WOS记录号 | WOS:000185206400022 |
| 出版者 | JOHN WILEY & SONS LTD |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/80795]  |
| 专题 | 中国科学院化学研究所 |
| 通讯作者 | Hu, YL |
| 作者单位 | Chinese Acad Sci, Inst Chem, Ctr Mol Sci, State Key Lab Engn Plast, Beijing 100080, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang, H,Ma, Z,Ke, YC,et al. Synthesis of linear low density polyethylene (LLDPE) by in situ copolymerization with novel cobalt and zirconium catalysts[J]. POLYMER INTERNATIONAL,2003,52(9):1546-1552. |
| APA | Wang, H,Ma, Z,Ke, YC,&Hu, YL.(2003).Synthesis of linear low density polyethylene (LLDPE) by in situ copolymerization with novel cobalt and zirconium catalysts.POLYMER INTERNATIONAL,52(9),1546-1552. |
| MLA | Wang, H,et al."Synthesis of linear low density polyethylene (LLDPE) by in situ copolymerization with novel cobalt and zirconium catalysts".POLYMER INTERNATIONAL 52.9(2003):1546-1552. |
入库方式： OAI收割
来源：化学研究所
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