发明名称 |
SPHERICAL CARRIERS FOR OLEFIN POLYMERIZATION CATALYST, CATALYST COMPONENTS, CATALYST, AND PREPARATION METHODS THEREFOR |
摘要 |
Spherical carriers for an olefin polymerization catalyst, catalyst components, catalysts, and preparation methods therefor are disclosed. The method for preparing the spherical carriers comprises the following steps: (1) reacting, in the presence of at least one polymeric dispersion stabilizer, a magnesium halide with an organic compound containing active hydrogen to form a complex solution; (2) reacting said complex solution with an alkylene oxide-type compound to directly precipitate solid particles; and (3) recovering the solid particles to obtain spherical carriers. When a catalyst prepared by using the present spherical carrier is used in propylene polymerization, said catalyst exhibits high polymerization activity and high stereo-directing ability. |
申请公布号 |
US2016251457(A1) |
申请公布日期 |
2016.09.01 |
申请号 |
US201415030000 |
申请日期 |
2014.10.17 |
申请人 |
CHINA PETROLEUM & CHEMICAL CORPORATION ;BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATION |
发明人 |
Li Weili;Xia Xianzhi;Liu Yuexiang;Ling Yongtai;Zhao Jin;Zhang Jigui;Gao Futang;Gao Ping;Tan Yang;Peng Renqi;Zhang Zhihui;Lin Jie;Duan Ruilin;Ma Changyou |
分类号 |
C08F10/06 |
主分类号 |
C08F10/06 |
代理机构 |
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代理人 |
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主权项 |
1. A method for preparing a spherical carrier of an olefin polymerization catalyst, which method comprises reacting at least the following components: (a) a magnesium halide, (b) an organic compound containing active hydrogen, and (c) an epoxide, in the presence of at least one polymeric dispersion stabilizer, to directly precipitate a solid particulate product. |
地址 |
Beijing CN |