Reactor blending of polyethylene with ethyl-bridged zirconocene catalyst and iron-based diimine complex
文献类型：期刊论文
| 作者 | Guo, CY; Ma, Z; Zhang, MG; Ke, YC; Hu, YL |
| 刊名 | JOURNAL OF APPLIED POLYMER SCIENCE
 |
| 出版日期 | 2003-11-07 |
| 卷号 | 90期号:6页码:1515-1518 |
| 关键词 | Blending Polyethylene Metallocene Catalysts Transition Metal Chemistry |
| ISSN号 | 0021-8995 |
| DOI | 10.1002/app.12682 |
| 英文摘要 | Blends of polyethylene (PE) were produced in a single reactor using a combination of {[(2-ArN=C(Me))(2)C5H3N]FeCl2} [Ar=2,6-2CH(3)(C6H4] and rac-Et(Ind)(2)ZrCl2. The experimental results showed that the PEs obtained have a broad molecular weight distribution (MWD) and both the molecular weight and the MWD can be regulated through changing the mole ratio of the two active sites. In addition, the polymerization activities decreased with the increase of the Fe/Zr mole ratio whereas the crystallinity of the PE obtained exhibited a contrary trend, decreasing as the Fe/Zr mole ratio went up. The morphology of the blends also directly relates to the Fe/Zr mole ratio, and more iron content in the bimetallic catalysts system gives rise to compact PEs of high crystallinity. This reflects that the reactor blends are morphology controllable as well and can be easily applied to present processing techniques because of adjustable molecular weights and their distribution. Differential scanning calorimetry, thermogravimetric analysis, gel permeation chromatography, and scanning electron microscopy were employed to characterize the properties of the reactor blends of PEs. (C) 2003 Wiley Periodicals, Inc. |
| 语种 | 英语 |
| WOS记录号 | WOS:000185522000009 |
| 出版者 | JOHN WILEY & SONS INC |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/80519]  |
| 专题 | 中国科学院化学研究所 |
| 通讯作者 | Hu, YL |
| 作者单位 | 1.Chinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China 2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China |
| 推荐引用方式 GB/T 7714 | Guo, CY,Ma, Z,Zhang, MG,et al. Reactor blending of polyethylene with ethyl-bridged zirconocene catalyst and iron-based diimine complex[J]. JOURNAL OF APPLIED POLYMER SCIENCE,2003,90(6):1515-1518. |
| APA | Guo, CY,Ma, Z,Zhang, MG,Ke, YC,&Hu, YL.(2003).Reactor blending of polyethylene with ethyl-bridged zirconocene catalyst and iron-based diimine complex.JOURNAL OF APPLIED POLYMER SCIENCE,90(6),1515-1518. |
| MLA | Guo, CY,et al."Reactor blending of polyethylene with ethyl-bridged zirconocene catalyst and iron-based diimine complex".JOURNAL OF APPLIED POLYMER SCIENCE 90.6(2003):1515-1518. |
入库方式： OAI收割
来源：化学研究所
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