Polymerization method

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

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526 97, 526124, 526138, 526142, 526352, C08F 402, C08F 1002

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active

044580584

ABSTRACT:
A catalyst, a method of preparing a catalyst and method of polymerizing olefins with the catalyst in which the catalyst is prepared by reacting a support with a Group IIA organometallic compound essentially free of aluminum alkyls and reacting this product with water or a hydrocarbyl alcohol, then reacting this product with, for example, titanium tetrachloride, followed if necessary by removing unreacted ingredients and finally activating by contacting with a cocatalyst in the absence of oxygen and moisture.

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patent: 4105585 (1978-08-01), Matheson
patent: 4170568 (1979-10-01), Kirkwood
patent: 4173547 (1979-11-01), Graff
patent: 4263168 (1981-04-01), Rochefort et al.

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