Open AccessPolymerization of Ethylene with Zirconocene Heterogenized on Spherical ZSM-5
Author(s) -
Cristiano Favero,
Marcelo Luís Migi,
Roberto Fernando de Souza,
Kátia Bernardo-Gusmão
Publication year - 2015
Publication title -
journal of the brazilian chemical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.337
H-Index - 70
eISSN - 1678-4790
pISSN - 0103-5053
DOI - 10.5935/0103-5053.20150109
Subject(s) - ethylene , zsm 5 , polymerization , polymer chemistry , materials science , copolymer , polymer science , chemistry , chemical engineering , organic chemistry , catalysis , polymer , engineering , molecular sieve
Homogeneous polymerization catalysts require large amounts of solvent and cannot control the polymer morphology. In order to solve this issue, a narrow-shaped spherical ZSM-5 zeolite was used in ethylene polymerization as a support for zirconocene (Cp2ZrCl2). Several heterogeneous catalytic precursors were prepared and used in ethylene polymerization reactions, which showed yields (between 980-8019 kg PE mol-1 h-1) and were efficient at promoting morphological replication of the support. So, a well-established protocol for slurry polymerization reaction was found, yielding well-defined polymer particles in an advantageous polymerization process.
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