Catalyst component for olefinic polymerization and its catalyst

A technology of olefin polymerization and catalyst, which is applied in the field of ketone compounding, and can solve the problems of narrow polymer molecular weight distribution and reduced hydrogen sensitivity
CN1850868AActive Publication Date: 2006-10-25CHINA PETROLEUM & CHEM CORP +1
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
CHINA PETROLEUM & CHEM CORP
Publication Date
2006-10-25

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Abstract

The invention supplies a catalyst constituent used in alkene polyreaction. It includes magnesium, titanium, halogen and electron supplying identity. The electron supplying identity contains at least one of acetal or ketal compounds. When using in olefinic polymerization, the polymerizing yield could be satisfied. And the stereospecificity of the polymer is high.
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Description

technical field

[0001] The present invention relates to a kind of solid catalyst component containing acetal or ketal compound of special structure, the catalyst containing the solid catalyst component and the catalyst in CH 2 = Application in CHR olefin polymerization, where R is hydrogen or C 1 -C 6 The alkyl or aryl group, especially in the application of propylene polymerization, can obtain polymers with higher yield, higher isotacticity and wider molecular weight distribution, and the catalyst has good hydrogen adjustment sensitivity. technical background

[0002] It is well known that solid titanium catalyst components based on magnesium, titanium, halogen and electron donors can be used for CH 2 = CHR Olefin polymerization, especially in the polymerization of α-olefins with 3 or more carbon atoms, polymers with higher yield and higher stereoregularity can be obtained, wherein the electron donor compound is in the catalyst component One of the essential ingredients,...

Claims

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