China Petroleum & Chemical Corporation

Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation

China Petroleum & Chemical Corporation Beijing Research Institute of Chemical Industry

Shiyuan Xu

Zifang Guo

Junling Zhou

Dongbing Liu

Jie Fu

Rong Gao

Xinyang Li

Jingjing Lai

Tingjie Huang

Hongtao Wang

Qingqiang Gou

Hongmei Liu

Hui Zhao

Dong Ma

Jie Lin

Shijun Zhang

Wenbo Song

Xiaofan Zhang

Jingyan An

Junhui Zhang

Yu Kang

Hongxu Yang

Yuanning Gu

Taoyi Zhang

Ruixia Li

Ruen Wang

Xinping Lyu

A preparation method for a copolymer includes the step(s) of contacting an olefin and an unsaturated carboxylic acid shown in Formula II or a derivative of the unsaturated carboxylic acid shown in Formula II with a catalyst and optionally a chain transfer agent for reaction in the presence of an alkane solvent to obtain the copolymer. The copolymer is a spherical and/or spherical-like copolymer.

Copolymer of olefin and unsaturated carboxylic acid or unsaturated carboxylic acid derivative

A method for preparing an olefin-olefinic alcohol copolymer and an olefin-olefinic alcohol copolymer prepared by the method are provided. The catalyst used in the method for preparing the olefin-olefinic alcohol copolymer has a diimine metal complex as shown in Formula I.

Method for preparing olefin-polar monomer copolymer

The invention relates to the technical field of heterogeneous catalytic olefin polymerization, and discloses a polyolefin catalyst, its preparation and its us. A method for preparing the polyolefin catalyst comprises: (i) providing a thermally activated mesoporous material, with the thermal activation treatment being performed at a temperature of 300 to 900° C. for a period of time of 3 to 48 hours; (ii) under an inert atmosphere, (iia) conducting impregnation treatment of the thermally activated mesoporous material with a solution containing a magnesium component and then with a solution containing a titanium component, (iib) conducting impregnation treatment of the thermally activated mesoporous material with a solution containing a titanium component and then with a solution containing a magnesium component, or (iic) conducting co-impregnation treatment of the thermally activated mesoporous material with a solution containing both a titanium component and a magnesium component, to obtain a slurry to be sprayed; and (iii) spray drying the slurry to be sprayed from step (ii), to obtain a solid polyolefin catalyst component. When used in olefin polymerization, the polyolefin catalysts prepared by using the method provided by the invention have high catalytic activities, and polyolefin products having a narrow molecular weight distribution and an excellent melt index can be obtained.

Polyolefin catalyst component containing mesoporous material, preparation method therefor and use thereof

The invention provides an olefin-olefinic alcohol copolymer and a preparation method thereof, said copolymer comprising a spherical and/or spherical-like polymer. The copolymer provided by the invention exhibits a good morphology and has good prospects in industrial use.

Olefin-olefinic alcohol copolymer, and preparation method therefor

A catalyst component for ethylene polymerization, comprising an organic silicon compound of the formula (I), below wherein Ris chosen from C-Caliphatic hydrocarbyl groups, and is substituted with at least one substituent chosen from halogens, C-Cacyloxy groups, epoxy, amino, C-Calkylamino groups, di(C-Calkyl)amino groups, C-Calkoxy groups, and oxo group; R, Rand R, which may be the same or different, are each chosen from C-Caliphatic hydrocarbyl, C-Calicyclic hydrocarbyl, C-Caryl, C-Caralkyl, and C-Calkaryl groups. A process for preparing the catalyst component and an active catalyst comprising the catalyst component and useful in polymerization, such as ethylene polymerization. 

Catalyst component for ethylene polymerization, preparation thereof, and a catalyst comprising the catalyst component

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Beijing, China

Shiyuan Xu