Microstructure Characterization of Polyolefins. TREF and CRYSTAF

被引：0
|
作者：
Monrabal, Benjamin [1 ]
机构：
[1] Polymer Char, E-46980 Paterna, Spain
来源：
PROGRESS IN OLEFIN POLYMERIZATION CATALYSTS AND POLYOLEFIN MATERIALS, PROCEEDINGS OF THE FIRST ASIAN POLYOLEFIN WORKSHOP | 2006年 / 161卷
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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 introduction of single site catalysts in the polyolefins industry has opened new possibilities in polymer design through multiple reactor-catalyst systems. Very often this approach results in bimodal or trimodal composition distributions and unique composition-molar mass dependence; the performance of these resins is very sensitive to small microstructure variations. The analysis of the Chemical Composition Distribution has been, in those cases, the most important analytical task. The separation techniques being used in the characterization of the Chemical Composition Distribution, TREF and CRYSTAF, are discussed with examples for various types of polyolefins.
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页码：35 / 42
页数：8
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