STUDIES ON AMINOSILANE COMPOUNDS AS EXTERNAL ELECTRON DONORS IN 1-BUTENE POLYMERIZATION | |
Ren Hegang1; Yang Min1; Li Huayi2; Liu Pange1; Liu Binyuan1; Hu Youliang2; Wang Yanji3 | |
刊名 | ACTA POLYMERICA SINICA
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2011-12-20 | |
期号 | 12页码:1412-1418 |
关键词 | Ziegler-natta Catalyst External Donors Aminosilane Compounds Poly(1-butene) |
ISSN号 | 1000-3304 |
DOI | 10.3724/SP.J.1105.2011.10367 |
英文摘要 | Four aminosilane compounds as external electron donors were synthesized and employed for 1-butene polymerization with MgCl(2) supported Ziegler-Natta catalyst. The four aminosilane compounds are di (piperidinyl) dimethoxysilane (DPPDMS), di (piperidinyl) diethoxysilane (DPPDES), di (pyrrolidinyl) dimethoxysilane (DPRDMS) and di (pyrrolidinyl) diethoxysilane (DPRDES). The effects of the structure of different external donors on the catalytic efficiency, isotacticity, melting temperature and molecular weight distribution of resulted poly(1-butene) were investigated in detail. Poly(1-butene) s have been characterized by using gel permeation chromatography (GPC) and differential scanning calorimetry (DSC) analysis. The results indicated that the aminosilane compounds possessing dimethoxy groups showed higher catalytic efficiency and isospecificity of polymers than those of compounds having diethoxy groups, whereas the aminosilane compounds containing diethoxy groups were benefit for obtaining broader molecular weight distribution polymers than those of compounds possessing dimethoxy groups. Furthermore, compared with DPPDMS or TEOS as external donor,DPPDMS/TEOS compound as complex external donor at a proper molar ratio not only increased the catalytic efficiency and isotacticity of polymers obtained, but also broadened the molecular weight distribution of the polymer. Moreover, the effects of different amount of hydrogen and concentration of external donor and cocatalyst on catalytic efficiency and isotacticity of polymers obtained were also studied. |
语种 | 英语 |
出版者 | SCIENCE PRESS |
WOS记录号 | WOS:000299018300008 |
内容类型 | 期刊论文 |
源URL | [http://ir.iccas.ac.cn/handle/121111/72727] ![]() |
专题 | 中国科学院化学研究所 |
通讯作者 | Ren Hegang |
作者单位 | 1.Hebei Univ Technol, Sch Chem Engn & Technol, Inst Polymer Sci & Engn, Tianjin 300130, Peoples R China 2.Chinese Acad Sci, Inst Chem, Key Lab Engn Plast, Joint Lab Polymer Sci & Mat, Beijing 100190, Peoples R China 3.Hebei Univ Technol, Sch Chem Engn & Technol, Inst Green Chem Technol, Tianjin 300130, Peoples R China |
推荐引用方式 GB/T 7714 | Ren Hegang,Yang Min,Li Huayi,et al. STUDIES ON AMINOSILANE COMPOUNDS AS EXTERNAL ELECTRON DONORS IN 1-BUTENE POLYMERIZATION[J]. ACTA POLYMERICA SINICA,2011(12):1412-1418. |
APA | Ren Hegang.,Yang Min.,Li Huayi.,Liu Pange.,Liu Binyuan.,...&Wang Yanji.(2011).STUDIES ON AMINOSILANE COMPOUNDS AS EXTERNAL ELECTRON DONORS IN 1-BUTENE POLYMERIZATION.ACTA POLYMERICA SINICA(12),1412-1418. |
MLA | Ren Hegang,et al."STUDIES ON AMINOSILANE COMPOUNDS AS EXTERNAL ELECTRON DONORS IN 1-BUTENE POLYMERIZATION".ACTA POLYMERICA SINICA .12(2011):1412-1418. |
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