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Olefin polymerization catalyst solid component and its treatment method and olefin polymerization catalyst and its application

A technology of olefin polymerization and treatment method, applied in the application of olefin polymerization catalyst in olefin polymerization reaction, in the field of olefin polymerization catalyst, which can solve the problems of poor hydrogen adjustment sensitivity and the like

Active Publication Date: 2016-08-17
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the disadvantages of existing olefin polymerization catalysts with poor hydrogenation sensitivity, and provide a method for treating solid components of olefin polymerization catalysts, the solid components of olefin polymerization catalysts obtained by the method, A kind of olefin polymerization catalyst, and the application of this olefin polymerization catalyst in olefin polymerization reaction

Method used

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  • Olefin polymerization catalyst solid component and its treatment method and olefin polymerization catalyst and its application
  • Olefin polymerization catalyst solid component and its treatment method and olefin polymerization catalyst and its application
  • Olefin polymerization catalyst solid component and its treatment method and olefin polymerization catalyst and its application

Examples

Experimental program
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Effect test

Embodiment 1

[0073] This example is used to illustrate the method for treating the solid component of the olefin polymerization catalyst of the present invention, the solid component of the olefin polymerization catalyst obtained by using this method, the olefin polymerization catalyst and its application.

[0074] (1) Preparation of magnesium-containing carrier:

[0075] In a 1.6L reactor, add 200mL white oil, 8.0g (0.08mol) magnesium chloride, 3g (0.01mol) octadecyl alcohol, 95mL (1.6mol) ethanol, 9.8mL (0.08mol) 2,2-dimethoxy base propane, heated to 90°C with stirring. After reacting at a constant temperature for 1 hour, the mixture was stirred at a low speed (400 rpm) to disperse for 30 minutes for emulsification. Add 35 mL (0.45 mol) of epichlorohydrin to the emulsified product above, react for half an hour and press filter for 9 minutes. The press-filtered product was washed 5 times with hexane, and press-filtered after each wash. The total time of the press-filtering process was 2...

Embodiment 2

[0084] This example is used to illustrate the method for treating the solid component of the olefin polymerization catalyst of the present invention, the solid component of the olefin polymerization catalyst obtained by using this method, the olefin polymerization catalyst and its application.

[0085] According to the method of Example 1, the magnesium-containing carrier was prepared, the solid component of the olefin polymerization catalyst was prepared, and the solid component of the olefin polymerization catalyst was treated, and the propylene polymerization reaction was carried out. The difference was that the amount of hydrogen added during the propylene polymerization reaction It is 6.5L.

Embodiment 3

[0087] This example is used to illustrate the method for treating the solid component of the olefin polymerization catalyst of the present invention, the solid component of the olefin polymerization catalyst obtained by using this method, the olefin polymerization catalyst and its application.

[0088] (1) Preparation of magnesium-containing carrier:

[0089] In a 1.6L reactor, add 300mL white oil, 8.0g (0.08mol) magnesium chloride, 10.8g (0.04mol) stearyl alcohol, 28mL (0.48mol) ethanol, 1mL (0.008mol) 2,2-dimethoxy base propane, heated to 100°C with stirring. After reacting at a constant temperature for 0.5 hour, the mixture was stirred at a low speed (800 rpm) to disperse for 30 minutes for emulsification. Add 12.5 mL (0.16 mol) of epichlorohydrin to the above emulsified product, react for 20 minutes, and press filter for 10 minutes. The press-filtered product was washed 5 times with hexane, and press-filtered after each wash. The total time of the press-filtering process...

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Abstract

The invention provides an olefin polymerization catalyst solid component processing method, an olefin polymerization catalyst solid component obtained by processing through the method, an olefin polymerization catalyst, and an application of the olefin polymerization catalyst in olefin polymerization reactions. The olefin polymerization catalyst solid component processing method comprises a step that the olefin polymerization catalyst solid component contacts with a first titanium compound at -10-120DEG C for above 4h. The olefin polymerization catalyst solid component obtained by processing through the method has a high hydrogen sensitivity, a good stereotactic ability and a high polymerization activity.

Description

technical field [0001] The invention relates to a method for treating solid components of olefin polymerization catalysts, the solid components of olefin polymerization catalysts obtained by the method, an olefin polymerization catalyst and the application of the olefin polymerization catalysts in olefin polymerization reactions. Background technique [0002] As is well known, a propylene polymerization catalyst generally includes a Ziegler-Natta procatalyst, an aluminum alkyl compound, an internal electron donor and an external electron donor. The performance evaluation indexes of Ziegler-Natta catalysts used in olefin polymerization are mainly hydrogen modulation sensitivity, polymerization activity and stereospecific ability. [0003] The structure of Ziegler-Natta catalyst is relatively complex, and there is still no qualitative conclusion on the composition and structure of its active center. When the active center of the catalyst changes, the properties of the polymer...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F10/00C08F4/654C08F4/658C08F4/657C08F4/649C08F4/646C08F4/02
Inventor 凌永泰夏先知刘月祥赵瑾李威莅张纪贵高富堂谭扬高平彭人琪乔素珍
Owner CHINA PETROLEUM & CHEM CORP
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