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Morphology control of a MgCl 2 ‐supported Ziegler‐Natta catalyst by the recrystallization method
Author(s) -
Chung Jin Suk,
Song In Kyu,
Lee Wha Young,
Park Hong Man
Publication year - 1995
Publication title -
macromolecular chemistry and physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.57
H-Index - 112
eISSN - 1521-3935
pISSN - 1022-1352
DOI - 10.1002/macp.1995.021960419
Subject(s) - decane , recrystallization (geology) , methanol , catalysis , chemistry , particle size , chemical engineering , morphology (biology) , polymer chemistry , organic chemistry , paleontology , genetics , engineering , biology
MgCl 2 supports were prepared by the recrystallization method with variation of agitation speed and MgCl 2 concentration of the MgCl 2 ‐methanol‐decane mixture. It was found that the particle size of MgCl 2 and MgCl 2 /TiCl 4 could be controlled by changing the MgCl 2 concentration in a methanol droplet or by changing the size of the methanol droplets. The particle size of the supports and catalysts increased with decreasing speed of agitation and with increasing MgCl 2 content. All the prepared supports and catalysts showed a good spherical morphology.
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