EFFECT OF THE DONOR IN THE HIGHLY ACTIVE CATALYST ON THE KINETIC BEHAVIOR OF ETHYLENE POLYMERIZATION

XIE Guang-hua; WANG Sheng; YU Gang

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EFFECT OF THE DONOR IN THE HIGHLY ACTIVE CATALYST ON THE KINETIC BEHAVIOR OF ETHYLENE POLYMERIZATION

Research Bulletin | 更新时间：2021-03-19

- EFFECT OF THE DONOR IN THE HIGHLY ACTIVE CATALYST ON THE KINETIC BEHAVIOR OF ETHYLENE POLYMERIZATION
- Acta Polymerica Sinica Issue 6, Pages: 743-746(1991)
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- Published：20 December 1991，
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XIE Guang-hua, WANG Sheng, YU Gang. EFFECT OF THE DONOR IN THE HIGHLY ACTIVE CATALYST ON THE KINETIC BEHAVIOR OF ETHYLENE POLYMERIZATION. [J]. Acta Polymerica Sinica (6):743-746(1991)
DOI：

XIE Guang-hua, WANG Sheng, YU Gang. EFFECT OF THE DONOR IN THE HIGHLY ACTIVE CATALYST ON THE KINETIC BEHAVIOR OF ETHYLENE POLYMERIZATION. [J]. Acta Polymerica Sinica (6):743-746(1991) DOI：

摘要

Abstract

Two catalysts were prepared using reaction method with or without dibuthylphalate(DBP). The surface area

X-ray diffractions and kinetic behavior for ethylene polymerization of these catalysts have been compared. It was found that when the catalyst without DBP(WY-1 system)

the kinetic curves for ethylene polymerization show decaying type; however

when the catalyst with DBP(WY-2 system)

the kinetic curves are accelerating type. The specific number of active centers [C*] are almost same in the two systems. The value of kp of WY-2 system was much greater than that of WY-1 system

but the apparent activation energy of WY-2 system was much lower than that of WY-1 system.It leads to that the catalytic activity of the catalyst with DBP increased greatly in comparision with that of the catalyst without DBP.

关键词

催化剂乙烯聚合给电子体

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State Key laboratory of Chemical Engineering, Department of Chemical and Biochemical Engineering, Zhejiang University

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