STUDY ON THE MECHANISM OF 1-OCTENE ZIEGLER-NATTA POLYMERIZATION BASED ON THE NUMBER OF ACTIVE CENTERS

FAN Zhiqiang; FENG Linxian; YANG Shilin

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STUDY ON THE MECHANISM OF 1-OCTENE ZIEGLER-NATTA POLYMERIZATION BASED ON THE NUMBER OF ACTIVE CENTERS

Papers | Updated：2021-06-21

- STUDY ON THE MECHANISM OF 1-OCTENE ZIEGLER-NATTA POLYMERIZATION BASED ON THE NUMBER OF ACTIVE CENTERS
- Vol. 9, Issue 2, Pages: 113-119(1991)
- Affiliations：
  
  1. Department of Chemistry, Zhejiang University,Hangzhou
  2. Zhejiang University
  3. Hangzhou
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：20 June 1991
- Accepted：
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[1]范志强,封麟先,杨士林.STUDY ON THE MECHANISM OF 1-OCTENE ZIEGLER-NATTA POLYMERIZATION BASED ON THE NUMBER OF ACTIVE CENTERS[J].Chinese Journal of Polymer Science,1991,{4}(02):113-119.

FAN Zhiqiang, FENG Linxian, YANG Shilin. STUDY ON THE MECHANISM OF 1-OCTENE ZIEGLER-NATTA POLYMERIZATION BASED ON THE NUMBER OF ACTIVE CENTERS[J]. 1991, 9(2): 113-119.
[1]范志强,封麟先,杨士林.STUDY ON THE MECHANISM OF 1-OCTENE ZIEGLER-NATTA POLYMERIZATION BASED ON THE NUMBER OF ACTIVE CENTERS[J].Chinese Journal of Polymer Science,1991,{4}(02):113-119. DOI：

FAN Zhiqiang, FENG Linxian, YANG Shilin. STUDY ON THE MECHANISM OF 1-OCTENE ZIEGLER-NATTA POLYMERIZATION BASED ON THE NUMBER OF ACTIVE CENTERS[J]. 1991, 9(2): 113-119. DOI：

摘要

正

The number of active centers （C

）-t and k

-t profiles of Solvay type TiCl

- AlR

（R=C

i-C

） or Stauffer AA TiCl

-Al （C

）

catalyzed 1-octene polymerization were determined by using an acetyl chloride quenching method as well as kinetic data. The results show that in the studied systems k

decreases when C

increases

indicating the presence of two or more types of different active centers. The C

-t

plots of the Solvay TiCl

-AlR

systems show the presence of both stable active centers and unstable centers which decay in the polymerization process. The phenomena are explained based on a model of active center plurality. The increases of C

in the induction periods are also discussed.

Abstract

The number of active centers （C

）-t and k

-t profiles of Solvay type TiCl

- AlR

（R=C

i-C

） or Stauffer AA TiCl

-Al （C

）

catalyzed 1-octene polymerization were determined by using an acetyl chloride quenching method as well as kinetic data. The results show that in the studied systems k

decreases when C

increases

indicating the presence of two or more types of different active centers. The C

-t

plots of the Solvay TiCl

-AlR

in the induction periods are also discussed.

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