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Catalyst component for olefin polymerization, catalyst and olefin polymerization method

A technology of olefin polymerization and catalyst, which is applied in the field of catalyst components, can solve the problem that the overall effect of the catalyst is not outstanding, and achieve the effects of high activity, adjustable orientation ability, wide molecular weight distribution and high melt index

Active Publication Date: 2021-11-19
CHINA PETROLEUM & CHEM CORP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In recent years, many new internal electron donor compounds containing nitrogen atom structure have emerged, such as maleamide internal electron donor compound (CN102268109) and hydrazide structure electron donor compound (CN103539874), diamide internal electron donor compound Electron donor compound (US2017 / 0240667), urethane electron donor compound (WO2014 / 048861) and amide ester electron donor compound (US2012322962) of Dow Global Technologies Co., Ltd., but the overall effect of the catalyst not outstanding

Method used

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

Examples

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Embodiment 1

[0049] Example 1 Synthesis of 2,4-dimethyl-7,9-naphtho[1',8'-gh]-1,5-dioxanane-6,10-dione (FE-1)

[0050] In a 250 ml three-necked flask, add 2.08 g of 2,4-pentanediol, 100 ml of acetonitrile, 2.15 ml of triethylamine, and 0.15 g of potassium chloride after purging with nitrogen, and drop 5.00 g of 1 , 8-naphthalene dicarbonyl chloride, stir well. Stir the reaction for 4 hours, then raise the temperature and reflux for 8 hours. After concentrating under reduced pressure, recrystallize from a mixed solution of diethyl ether / petroleum ether (1:50) to obtain pale yellow crystals, and dry in vacuo to obtain 2.04 g of the product (yield 36%). 1 H-NMR (δ, ppm, TMS, CDCl 3 ):8.33-8.32(2H,m,ArH),7.98-7.97(2H,m,ArH),7.47-7.46(2H,m,ArH),4.15-4.13(2H,m,OCH),2.25-2.24( 1H,m,CH 2 ),2.02-2.01(1H,m,CH 2 ),1.44-1.42(6H,m,CH 3 ).

[0051] The following compounds were synthesized using similar preparation methods.

[0052] 2,4-Dimethyl-7,8-benzo[g]-1,5-dioxonanane-6,9-dione (FE-2): Pale...

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Abstract

The present invention relates to a catalyst component for olefin polymerization, a catalyst and a method for olefin polymerization. The catalyst component for olefin polymerization described in the present invention comprises magnesium, titanium, halogen and internal electron donor, wherein, said internal electron donor comprises the cyclic compound shown in formula I and the diol shown in formula Z ester compounds. When the olefin polymerization catalyst component of the present invention is used for propylene polymerization, the hydrogen adjustment sensitivity of the catalyst is good, the isotactic index of the obtained polymer can be adjusted, and the obtained polypropylene resin has a wide molecular weight distribution.

Description

technical field [0001] The present invention relates to a catalyst component for olefin polymerization, a catalyst and a method for olefin polymerization. Background technique [0002] Olefin polymerization catalysts can be divided into three categories, namely traditional Ziegler-Natta catalysts, metallocene catalysts and non-metallocene catalysts. For traditional Ziegler-Natta catalysts, with the development of electron donor compounds in the catalyst, polyolefin catalysts are also constantly updated. Catalyst research and development from the first generation of TiCl 3 AlCl 3 / AlEt 2 Cl system and the second generation of TiCl 3 / AlEt 2 Cl system, until the third generation of TiCl with magnesium chloride as the carrier, monoester or aromatic dibasic acid ester as the internal electron donor, and silane as the external electron donor 4 · ED · MgCl 2 / AlR 3 · In the ED system, the catalytic polymerization activity of the catalyst and the high isotacticity of the ob...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F10/00C08F110/06C08F4/649
CPCC08F10/00C08F110/06C08F4/6494C08F2500/04C08F2500/15C08F2500/12
Inventor 王军高明智刘海涛马晶马吉星何世雄刘文蕊蔡晓霞李昌秀胡建军段瑞林
Owner CHINA PETROLEUM & CHEM CORP
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