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Syndiotactic polypropene with MCM‐41 supported metallocene [Me 2 C(Cp)(Flu)]ZrCl 2
Author(s) -
Kaminsky Walter,
Strübel Christian,
Lechert Hans,
Genske Dieter,
Woo Seong Ihl
Publication year - 2000
Publication title -
macromolecular rapid communications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.348
H-Index - 154
eISSN - 1521-3927
pISSN - 1022-1336
DOI - 10.1002/1521-3927(20000801)21:13<909::aid-marc909>3.0.co;2-d
Subject(s) - propene , tacticity , metallocene , mesoporous material , polymerization , aluminosilicate , materials science , polymer chemistry , catalysis , chemical engineering , chemistry , composite material , polymer , organic chemistry , engineering
Mesoporous aluminosilicates – type MCM‐41 – were used as carriers for syndiospecific propene polymerisation using [Me 2 C(Cp)(Flu)]ZrCl 2 /MAO as catalyst. Alumina‐free mesoporous MCM‐41 reveals a far greater polymerisation activity than the analogous carrier containing alumina. The use of MCM‐41 as carrier material at low propene concentration and high polymerisation temperature produces syndiotactic polypropene (sPP) with higher syndiotacticity and higher melting points than achieved when using a homogenous system or a supported system based on spherical SiO 2 .