Olefine polymerization catalyst

Details Olefine polymerization catalyst Olefine polymerization catalyst

1979-03-26

1981-02-24

Garvin, Patrick

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

526125, 526127, 526128, 526137, 526139, 526140, 526141, 526142, 526143, 526144, C08F 464

Patent

active

042526701

ABSTRACT:
A component of a polymerization catalyst is prepared by reacting an organo-magnesium compound, or a complex with an organo-aluminium compound, with an halogenating agent such as silicon tetrachloride or hydrogen chloride, and then reacting the product with a Lewis Base compound, particularly an ester and finally with titanium tetrachloride. The product obtained is combined with an organo-aluminium compound preferably together with a Lewis Base and used to polymerize an olefine monomer. The catalyst has a high activity and is stereospecific.

REFERENCES:
patent: 3121064 (1964-02-01), Patat et al.
patent: 3499882 (1970-03-01), Nudenberg et al.
patent: 3549717 (1970-12-01), Itakura et al.
patent: 3878124 (1975-04-01), Durand et al.
patent: 4115319 (1978-09-01), Scata et al.

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