Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1980-10-10
1982-04-13
Garvin, Patrick
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
526142, C08F 464
Patent
active
043246931
ABSTRACT:
In a method to produce an alpha-olefin polymerization catalyst comprising reducing titanium tetrachloride with an aluminum alkyl, contacting the resulting reduced solid with a pretreatment amount of alpha-olefin monomer under polymerization conditions and reacting the resulting product with a Lewis base complexing agent and additional titanium tetrachloride, the improvement comprising reacting the Lewis base complexing agent in a molar ratio to the reduced titanium compound of greater than 1.15 to 1.
Arzoumanidis Gregory G.
Lee Sam S.
Garvin Patrick
Magidson William H.
McClain William T.
Oliver Wallace L.
Standard Oil Company (Indiana)
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