Polyester compound for preparing olefine polymerizing catalyst
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- CHINA PETROLEUM & CHEM CORP
- Publication Date
- 2003-08-20
- Estimated Expiration
- Not applicable · inactive patent
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Abstract
Description
technical field
[0001] The present invention relates to a new compound, the preparation method of the compound and the application of the compound in the preparation of olefin polymerization catalysts, more specifically, the present invention relates to a new compound containing two or more ester groups, the compound The preparation method and the application of the compound in the preparation of olefin polymerization catalysts. technical background
[0002] Solid titanium catalyst components based on magnesium, titanium, halogens and electron donors for CH 2 =CHR Olefin polymerization is known, especially in the polymerization of α-olefins having 3 carbon atoms or more to give polymers with higher yield and higher stereoregularity, wherein the electron donor compound is One of the essential ingredients in catalyst components. The disclosed electron donor compounds include: a large number of compounds such as polycarboxylic acid, monocarboxylic acid ester or polycarboxylic...