Catalyst component for olefin polymerization, method for preparing catalyst component, catalyst for olefin polymerization and method for olefin polymerization

A technology for olefin polymerization and catalysts, which is applied in the field of catalyst components for olefin polymerization and its preparation, catalysts for olefin polymerization and olefin polymerization, to achieve smooth surface, smooth surface, good resistance to breakage and sensitivity to hydrogen adjustment Effect

Active Publication Date: 2012-11-28
CHINA PETROLEUM & CHEM CORP +1
View PDF19 Cites 6 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the magnesium halide adduct prepared according to the method of this patent application has a large amount of irregular particles, such as needle-shaped particles and rod-shaped particles, and when the catalyst using the magnesium halide adduct as a carrier is used for olefin polymerization, it will undoubtedly cause The resulting polymer also has a large number of irregular particles

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Catalyst component for olefin polymerization, method for preparing catalyst component, catalyst for olefin polymerization and method for olefin polymerization
  • Catalyst component for olefin polymerization, method for preparing catalyst component, catalyst for olefin polymerization and method for olefin polymerization
  • Catalyst component for olefin polymerization, method for preparing catalyst component, catalyst for olefin polymerization and method for olefin polymerization

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0060] According to the catalyst component for olefin polymerization provided by the present invention, the preparation method of the spherical magnesium halide adduct may include the following steps:

[0061] (1) mixing a compound of the general formula MgXY and a compound of the general formula ROH and an optional inert liquid medium, and heating the obtained mixture to form a melt of a magnesium halide adduct under stirring;

[0062] (2) adding the melt of the magnesium halide adduct into the cooling medium after shear dispersion to form spherical solid particles; and

[0063] (3) making the spherical solid particles and dimethoxypropane contact and react in an inert dispersion medium;

[0064] (4) contacting the solid particles obtained in step (3) with o-hydroxybenzoate in an inert dispersion medium to obtain spherical magnesium halide adducts;

[0065] Wherein, the compound with the general formula MgXY, the compound with the general formula ROH and the o-hydroxybenzoic...

Embodiment 1

[0104] This example is used to illustrate the catalyst component for olefin polymerization and its preparation method, the catalyst for olefin polymerization and its application provided by the present invention.

[0105] (1) Preparation of spherical magnesium chloride adduct

[0106] In a 300L autoclave, add 90L of white oil, 90L of silicone oil, 9.0kg of magnesium chloride and 14.5L of ethanol (249.0mol), heat up to 125°C with stirring, and stir at 125°C for 2.5 hours, then, The mixture liquid is fully sheared and dispersed through the high-gravity rotating bed and then enters the hexane cooled to -30°C in advance, the liquid is filtered off, the solid is washed five times with hexane, and after drying, 18 kg of spherical solid matter (i.e. the alcoholate of magnesium chloride ).

[0107] In a 1.6L reactor, add 900ml of hexane, add 90 grams of the above-mentioned solid matter, and then dissolve 45ml of dimethoxypropane solution in 180ml of hexane (the content of dimethoxypr...

Embodiment 2

[0114] This example is used to illustrate the magnesium halide adduct provided by the present invention and its preparation method and application.

[0115] Preparation of magnesium chloride adduct, preparation of olefin polymerization catalyst component and propylene polymerization were carried out in the same manner as in Example 1, except that the amount of hydrogen added during the propylene polymerization was 5.0 L.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
diameteraaaaaaaaaa
diameteraaaaaaaaaa
Login to view more

Abstract

The invention relates to a catalyst component for olefin polymerization and a method for preparing the catalyst component, the catalyst component contains a magnesium halide adduct, a titanium compound and a product which is obtained from the reaction of an internal electron donor compound, wherein the magnesium halide adduct contains magnesium halide, alcohol except methanol, methanol and ortho hydroxyl-benzoate ester, and contains or does not contain water. The invention further relates to a catalyst which contains the catalyst component and is used for olefin polymerization, an application of the catalyst for olefin polymerization and a method for olefin polymerization. The catalyst particles for olefin polymerization have smooth surfaces, uniform sizes, stronger breakability resistance during the polymerization process and better hydrogen adjustment sensitivity for olefin polymerization.

Description

technical field [0001] The present invention relates to a catalyst component for olefin polymerization, the preparation method of the catalyst component for olefin polymerization, the catalyst component for olefin polymerization prepared by the method, the catalyst group for olefin polymerization Application of the catalyst for olefin polymerization, a catalyst for olefin polymerization, application of the catalyst for olefin polymerization in olefin polymerization and an olefin polymerization method. Background technique [0002] The preparation of Ziegler-Natta catalysts by supporting titanium compounds and electron donor compounds on active magnesium halides is well known in the prior art. Usually, the active magnesium halide uses an adduct of magnesium halide and alcohol, which is used as a carrier to react with a titanium compound and an electron donor compound to obtain a spherical catalyst. When the spherical catalyst is used for olefin polymerization (especially pro...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): C08F10/00C08F4/645C08F4/02
Inventor 夏先知刘月祥赵瑾张纪贵凌永泰李威莅乔素珍谭扬彭人琪高平高富堂张志会
Owner CHINA PETROLEUM & CHEM CORP
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap