Catalyst for ethylene polymerization or copolymerization and its preparing method
A technology for ethylene polymerization and copolymerization, which is applied in the field of catalysts for ethylene polymerization or copolymerization and its preparation. It can solve the problems of unsatisfactory particle shape of the catalyst and achieve good particle shape, narrow particle distribution, and high catalytic activity. Effect
CN1532211AInactive Publication Date: 2004-09-29CHINA PETROLEUM & CHEM CORP +1
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- CHINA PETROLEUM & CHEM CORP
- Publication Date
- 2004-09-29
- Estimated Expiration
- Not applicable · inactive patent
Abstract
The present invention provides a kind of composite carrier catalyst for the polymerization and copolymerization of ethylene and its preparation process. The catalyst is prepared through dissolving magnesium halide in organic epoxy compound, organic phosphoric compound and inert diluent; treating the magnesium halide solution with alcohol compound; and separation via adding great specific surface area inert carrier in the presence of alkane liberation assistant and adding the halide of transition metal titanium for co-separation. The catalyst is used in the polymerization and copolymerization of ethylene and exhibits high catalytic activity, good hydrogen regulating sensitivity, excellent granular shape and less polymer produced.
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Claims
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