Synthesis of a telechelic polypropylene with a vanadium-based living polymerization catalyst

被引：0
|
作者：
Murata, M
Fukui, Y
Soga, K
机构：
[1] Japan High Polymer Ctr, NIMC, Joint Res Ctr Precis Polymerizat JRCPP, Tsukuba, Ibaraki 305, Japan
[2] Japan Adv Inst Sci & Technol, Sch Mat Sci, Tatsunokuchi, Ishikawa 92312, Japan
来源：
MACROMOLECULAR RAPID COMMUNICATIONS | 1998年 / 19卷 / 05期
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D O I：
暂无
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The V(acac)(3) (acac = acetylacetonato)/ALEt(2)Cl catalyst is known to promote the living polymerization of propylene at low temperature. In the present study, the catalyst was modified by contacting with a,omega-unconjugated diene compounds, and the resulting catalyst was applied to propylene polymerization. The polymer produced shows a bimodal molar mass distribution, where the molecular weight of the higher molecular weight portion is twice that of the lower molecular weight portion. By using the CO quenching technique, it was found that the polymer with the higher molecular weight has a telechelic structure.
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页码：267 / 270
页数：4
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