Copolymerization of ethylene and α-olefins with combined metallocene catalysts.: II.: Mathematical modeling of polymerization with single metallocene catalysts

被引：0
|
作者：
Kim, JD [1 ]
Soares, JBP [1 ]
机构：
[1] Univ Waterloo, Polymer Res Inst, Dept Chem Engn, Waterloo, ON N2L 3G1, Canada
来源：
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 2000年 / 38卷 / 09期
关键词：
metallocene; polyethylene; molecular weight distribution; chemical-composition distribution; control of polymer microstructure; linear low-density polyethylene;
D O I：
10.1002/(SICI)1099-0518(20000501)38:9<1417::AID-POLA3>3.0.CO;2-3
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 relation between the polymerization conditions and the distributions of molecular weight (MWD) and chemical composition (CCD) of poly(ethylene-co-1-hexene) made with single supported metallocene catalysts was investigated. Understanding the behavior of each metallocene under different polymerization conditions is necessary for designing combined metallocene catalysts to produce tailor-made polyolefins. In this article, a simple mathematical model based on experimental results is developed and combined with the bimodality criterion developed in Part I of this series to predict polymerization conditions and metallocene combinations that will produce polymers with desired MWDs and CCDs. (C) 2000 John Wiley & Sons, Inc. J Polym Sci A: Polym Chem 38: 1417-1426, 2000.
引用
收藏
页码：1417 / 1426
页数：10
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