Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1976-11-24
1978-11-28
Garvin, Patrick
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
526142, 526159, C08F 464
Patent
active
041275047
ABSTRACT:
A process for the production of a catalyst component for use in the polymerization of .alpha.-olefins, which comprises reducing titanium tetrachloride with an organo aluminum compound having the general formula Al Rn X.sub.3-n wherein R represents a hydrocarbon group having 1 to 18 carbon atoms, x represents a halogen atom and n represents a suitable numeral between o<n.ltoreq.3, to thus obtain a reduced solid, then removing aluminum compounds contained in said reduced solid and activating with a mixture or a complex of titanium tetrachloride and a dialkyl ether of the general formula R'OR" wherein R' and R" are (a) alkyl groups having 1-4 carbon atoms, (b) normal alkyl groups having five carbon atoms, or (c) alkyl groups having 6-20 carbon atoms.
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Inaba Naomi
Makishima Tokuo
Ueno Hiroshi
Wada Shozo
Clarke W. T.
Garvin Patrick
Kurtzman M. B.
Toa Nenryo Kogyo Kabushiki Kaisha
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