B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
252/109, 402/642
B01J 31/14 (2006.01) C08F 10/02 (2006.01) C08F 110/02 (2006.01)
Patent
CA 1185226
ABSTRACT OF THE DISCLOSURE Ethylene is polymerized in the presence of a catalyst formed from a solid catalyst component and an organic aluminum compound of the formula: AlR43 wherein R4 is C1-6 alkyl. The solid catalyst component is prepared by reacting a reaction product of an aluminum halide and an organic silicon compound of the formula: R1nSi(OR2)4-n wherein R1 and R2 are independently phenyl or C1-8 alkyl and n is 0, 1, 2, or 3, with a Grignard compound of the formula: R3MgX wherein R3 is C1-8 alkyl and X is halogen; and subjecting the resulting carrier to a contact treatment with a titanium tetrahalide at least two times.
410168
Ikai Shigeru
Inoue Tokuji
Kai Yoshiyuki
Shimizu Michimasa
Tamura Masanori
Mcfadden Fincham
Ube Industries Ltd.
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