Catalyst component for vinyl polymerization and catalyst comprising the same
A technology of ethylene polymerization and catalyst, which is applied in the field of catalyst components, can solve the problem of unsatisfactory hydrogen adjustment sensitivity, etc., and achieve the effect of less subdivision content and high catalytic activity
Inactive Publication Date: 2012-02-08
CHINA PETROLEUM & CHEM CORP +1
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Abstract
The invention relates to a catalyst component for vinyl polymerization, a catalyst containing the component, and a preparation method of the component. The catalyst component is prepared by the following steps: (1)reacting a magnesium compound, an organic alcoholic compound, at least an organic titanium compound with at least a boron compound to obtain a reaction product A; (2) reacting the reaction product A with at least an organo-aluminum compound to obtain a reaction product B; (3) reacting the reaction product B with at least an inorganic titanium compound to obtain the final catalyst component. The catalyst disclosed herein has high catalytic activity, good hydrogen response, narrow polymer particle size distribution and the like, and is very suitable for being applied in vinyl slurry polymerization technology and composite polymerization technology that requiring a high catalytic activity catalyst.
Technology Topic
MagnesiumAluminium +12
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Catalyst component for ethylene polymerization and catalyst thereof
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