Citation: YANG Zhengjun, LIU Bo, HUANG Pai, NIE Heran, ZHOU Guangyuan, ZHANG Jianfu. Effect of Pore Structures of Porous Polymer Microspheres on Catalytic Propylene Polymerization[J]. Chinese Journal of Applied Chemistry, ;2020, 37(7): 746-755. doi: 10.11944/j.issn.1000-0518.2020.07.200024 shu

Effect of Pore Structures of Porous Polymer Microspheres on Catalytic Propylene Polymerization

YANG Zhengjun ^a,b,c ,
LIU Bo ^b,, ,
HUANG Pai ^b ,
NIE Heran ^d ,
ZHOU Guangyuan ^d ,
ZHANG Jianfu ^a,c,,

a.
School of Chemistry and Environmental Engineering, Changchun University of Science and Technology, Changchun 130022, China
b.
Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
c.
Jilin Provincial Science and Technology Innovation Center of Optical Materials and Chemistry, Changchun, 130022, China
d.
Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning 116023, China

Corresponding author: LIU Bo, bliu@ciac.ac.cn ZHANG Jianfu, zhangjianfu@cust.edu.cn
Received Date: 17 January 2020
Revised Date: 27 April 2020
Accepted Date: 6 May 2020

Fund Project: the National Natual Science Foundation of China 21704098the Science and Technology Development Project of Jilin Province, China 20180524141JHSupported by the National Natual Science Foundation of China(No.21704098) and the Science and Technology Development Project of Jilin Province, China(No.20180524141JH)

Figures(7)

The microporous poly(styrene-divinylbenzene) (PS-DVB) microspheres have the advantages of stable physical and chemical properties, large specific surface area, low production cost, and controllable particle sizes. It has broad application prospects in the fields of biomedicine, adsorption, separation and catalyst support. Three kinds of porous polymer microspheres (PPMs) were prepared by introducing the functional monomers acrylonitrile (AN), acrylamide (AA) and N-vinyl carbazole (VC). The results show that, on the one hand, polypropylenes are microspheres and nanofibers due to the template effect and confined effect. On the other hand, the load of Ti and Mg in the Ziegler-Natta catalyst supported by PPM-AN increases with the increase of specific surface area of the support. The results of propylene polymerization show that under the same pressure, the overall trend of molecular mass (M_w), molecular mass distribution (PDI) and isotacticity increase with the increase of pore size because the propylene monomer is restricted by PPM-AN support.
- porous polymer microspheres,
- polypropylene catalyst support,
- confined olefin polymerization,
- confined crystallization of polypropylene
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沈阳化工大学材料科学与工程学院沈阳 110142

Effect of Pore Structures of Porous Polymer Microspheres on Catalytic Propylene Polymerization

南开大学师唯/华北电力大学（保定）刘景维：二维配位聚合物中有序的亲锂冠醚位点用于无枝晶锂沉积

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通讯作者: 陈斌, bchen63@163.com