Study of ethylene-propylene-1-hexene co- and terpolymers obtained with homogeneous and supported metallocene catalysts

被引：7
|
作者：
Galland, Griselda Barrera [1 ]
Zimnoch dos Santos, Joao Henrique [1 ]
Dall'Agnol, Maiara [1 ]
Bisatto, Rubens [1 ]
机构：
[1] Univ Fed Rio Grande do Sul, Inst Quim, Porto Alegre, RS, Brazil
来源：
MACROMOLECULAR SYMPOSIA | 2006年 / 245卷
关键词：
mechanical properties; metallocene catalysts; NMR; polyolefins; structure-property relations;
D O I：
10.1002/masy.200651307
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Ethylene-propylene-l-hexene terpolymers were obtained using three metallocenic systems: Cp2ZrCl2, CP2ZrCl2 directly supported on silica (Cp2ZrCl2/SiO2) and Cp2ZrCl2 supported on MAO (methylaluminoxane)-modified silica (CP2ZrCl2/ MAO/SiO2). The results were compared with those obtained with rac-Et[lnd](2)ZrCl2. The best activities were obtained with the CP2ZrCl2 in the homogeneous form, but the system CP2ZrCl2/MAO/SiO2 afforded also good results. Those systems showed to be able to incorporate enough comonomers, in a randomic way, to give terpolymers with an elastomeric behaviour.
引用
收藏
页码：42 / 50
页数：9
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