China Petroleum & Chemical Corporation

Shanghai Research Institute of Petrochemical Technology, Sinopec

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

Beijing Yiling Bioengineering Co., Ltd.

Beijing Reasearch Institute of Chemical Industry

Hongtao Wang

Guozhen Qi

Junling Zhou

Zifang Guo

Yu Liu

Xin Huang

Guoqiang Wu

Fang Li

Ke Feng

Ligang Wang

Xiaohong Li

Shiyuan Xu

Qingqiang Gou

Shubin Li

Yongming Jin

Wenjuan Huang

Jing Cao

Huimin He

Lingling Wang

Hongxu Yang

Shangjin Yang

Jianhui Yan

Xingna Guo

Ruiya Zuo

Huigang Lu

Ruixia Li

Wei Chen

Hui Zhao

Jie Fu

Li Wang

Dong Ma

Jie Lin

Shijun Zhang

Yuexiang Liu

Siqing Zhong

Wenbo Song

Dongbing Liu

Rong Gao

Xiaofan Zhang

Xinyang Li

Jingyan An

Jingjing Lai

Junhui Zhang

Tingjie Huang

Pan Gao

Yuanning Gu

Taoyi Zhang

Ruiping Wang

Ruen Wang

Jingmei Zhang

Xiaojing Cheng

Yanxue Wang

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

A process for producing lower olefins from oxygenates includes the steps of contacting a feedstock comprising oxygenates with molecular sieve catalyst in fluidized bed reaction zone under effective conditions, to produce product including ethylene and/or propylene; the effective conditions include that in the fluidized bed reaction zone, the weights of catalysts having various carbon deposition amounts are controlled, calculated as the weight of the molecular sieve in the catalysts, to have the following proportions based on the total weight of the catalysts in the fluidized bed reaction zone: the proportion of the weight of the catalyst having a coke deposition amount of less than 3 wt % is 1-20 wt %; the catalyst having a coke deposition amount of from 3 wt % to less than 5 wt % represents 10 to 70 wt %; and the catalyst having a coke deposition amount from 5 wt % to 10 wt % represents 10 to 88 wt %.

Process for producing lower olefins from oxygenates

The invention relates to a process of converting methanol in a fluidized bed reactor comprising feeding a methanol-containing feedstock into a fluidized bed reactor, contacting the feedstock with a catalyst, to produce a product comprising ethylene and propylene under effective conditions; the fluidized bed reactor comprises a diluent-phase zone and a dense-phase zone, wherein the diluent-phase temperature difference between any regions of the diluent-phase zone having a methanol concentration of more than 0.1 wt % (preferably more than 0.01 wt %) in the fluidized bed reactor is controlled to be less than 20° C., and the dense-phase temperature difference between any regions in the dense-phase zone having a methanol concentration of more than 0.1 wt % (preferably more than 0.01 wt %) in the fluidized bed reactor is controlled to be less than 10° C.

Process of converting methanol in a fluidized bed reactor

A process for producing at least one light olefin comprising: (a) contacting a first raw material comprising methanol with a least one catalyst in a first reaction zone to produce at least one light olefin and at least one inactivated catalyst; (b) transporting the at least one inactivated catalyst to a first regeneration zone to produce at least one first regenerated catalyst, and transporting a portion of the at least one first regenerated catalyst to the first reaction zone; (c) transporting another portion of the at least one first regenerated catalyst to a second regeneration zone to obtain at least one second regenerated catalyst; and (d) transporting the at least one second regenerated catalyst to a second reaction zone, and contacting the at least one second regenerated catalyst with a second raw material comprising C4 olefins to produce a product stream II comprising at least one light olefin.

Processes for producing at least one light olefin

The present invention discloses a nitropyridinyl ethyleneimine compound as shown in the formula I and a preparation method of the same, as well as use of the compound in manufacture of a prodrug and in manufacture of a drug for treating a tumor. 

Nitropyridinyl ethyleneimine compound, the pharmaceutical composition containing it, the preparation method and use thereof

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

The present invention provides a catalyst component for ethylene polymerization, a process for preparing the same, a catalyst comprising the same, and a process for polymerizing ethylene using the catalyst. The catalyst component comprises a reaction product, supported on an inorganic oxide support, of a magnesium complex, a titanium compound, an alcohol compound, and an organoaluminum compound, wherein said magnesium complex is formed by dissolving a magnesium halide in a solvent system comprising an organic epoxy compound and an organo phosphorus compound. The catalyst according to the invention is especially suitable for slurry phase polymerization of ethylene. The catalyst according to the present invention has high catalytic activity, and a good hydrogen response, with the resultant polymer having a more uniform particle size diameter and a narrow particle size distribution.

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

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Beijing, China

Hongtao Wang