Patent ID: 11970510
Assignee: CHINA PETROLEUM & CHEMICAL CORPORATION
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 0:
1. A catalyst component for olefin polymerization, comprising magnesium, titanium, a halogen, and an internal electron donor, wherein the internal electron donor comprises a monocarboxylic ester compound and a diether compound, a molar ratio of the monocarboxylic ester compound to the diether compound being (0.0035-0.7):1,
wherein the catalyst component is a product produced from a reaction of a magnesium source comprising sulfur, a titanium source, and the internal electron donor;
wherein the magnesium source comprises a magnesium compound of Formula IV,, wherein in Formula IV,
R1′″ is selected from the group consisting of substituted or unsubstituted C1-C10 linear alkyl, substituted or unsubstituted C3-C10 branched alkyl, substituted or unsubstituted C3-C10 cycloalkyl, substituted or unsubstituted C6-C20 aryl, substituted or unsubstituted C7-C20 aralkyl, and substituted or unsubstituted C7-C20 alkaryl,
R2′″ and R3′″ are identical to or different, each independently selected from the group consisting of hydrogen, substituted or unsubstituted C1-C10 linear alkyl, substituted or unsubstituted C3-C10 branched alkyl, substituted or unsubstituted C3-C10 cycloalkyl, substituted or unsubstituted C6-C20 aryl, substituted or unsubstituted C7-C20 aralkyl, and substituted or unsubstituted C7-C20 alkaryl, and
X is a halogen, m is 0.1-1.9, n is 0.1-1.9, and m+n=2.