Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1978-06-02
1980-02-19
Levin, Stanford M.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
252429B, 252429C, 252431R, 252431N, 252431P, 526128, 526137, 526139, 526141, 526142, 526144, 526151, 526153, 5263482, C08F 452
Patent
active
041895533
ABSTRACT:
Compositions exhibiting high catalytic activity in the polymerization of .alpha.-olefins, particularly higher olefins, are provided by reacting a trivalent titanium halide complex such as an alcohol complex of titanium trichloride, an organomagnesium component such as a hydrocarbon soluble complex of dialkyl magnesium and an alkyl aluminum and halide source such as a hydrogen halide or an alkyl aluminum halide. Polymerization processes employing this catalyst composition do not require conventional catalyst removal steps in order to provide polymers having suitable color and other physical characteristics.
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Carter J. G.
Jenkins M. S.
Levin Stanford M.
The Dow Chemical Company
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