POLYMERIZATION OF 1-OCTENE AND DETERMINATION OF MARK-HOUWINK CONSTANTS OF POLY(1-OCTENE)

Xin-hua Yan; Yan Shi; Lin Wang; Zhi-feng Fu

doi:10.1007/s10118-011-1069-z

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POLYMERIZATION OF 1-OCTENE AND DETERMINATION OF MARK-HOUWINK CONSTANTS OF POLY(1-OCTENE)

PAPER | Updated：2021-06-21

- POLYMERIZATION OF 1-OCTENE AND DETERMINATION OF MARK-HOUWINK CONSTANTS OF POLY(1-OCTENE)
- Chinese Journal of Polymer Science Vol. 29, Issue 5, Pages: 560-568(2011)
- Affiliations：
  
  a.State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
  b.School of Chemistry and Biotechnology, Yunnan Nationalities University, Kunming 650031, China
- Author bio：
  
  **Zhi-feng Fu (付志峰), E-mail: fuzf@mail.buct.edu.cn
- Funds：
- DOI：10.1007/s10118-011-1069-z
  CLC：
- Received：28 August 2010，
  
  Revised：2010-11-03，
  
  Accepted：05 November 2010，
  
  Published：2011
- Accepted：
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Xin-hua Yan, Yan Shi, Lin Wang, et al. POLYMERIZATION OF 1-OCTENE AND DETERMINATION OF MARK-HOUWINK CONSTANTS OF POLY(1-OCTENE)[J]. Chinese Journal of Polymer Science, 2011, 29(5): 560-568.
DOI：

Xin-hua Yan, Yan Shi, Lin Wang, et al. POLYMERIZATION OF 1-OCTENE AND DETERMINATION OF MARK-HOUWINK CONSTANTS OF POLY(1-OCTENE)[J]. Chinese Journal of Polymer Science, 2011, 29(5): 560-568. DOI： 10.1007/s10118-011-1069-z.

摘要

Abstract

The polymerization of 1-octene initiated by methylalumoxane (MAO)-activated Ni(II)-based-

-diimine complexes [(2

-Pr)

-DAB(An)]NiBr

was investigated. Using this catalyst

poly(1-octene)s with molecular weight between 100 × 10

and 400 × 10

and polydispersity (

) between 1.3 and 1.5 were synthesized successfully by varying reaction time at room temperature. The poly(1-octene)s were amorphous polymers and could be well soluble in tetrahydrofuran (THF). After fractional precipitation

poly(1-octene)s with narrow molecular weight distributions (

≤ 1.12) were obtained. Their weight-average molecular weights were measured by gel permeation chromatography (GPC) in conjunction with online model BI-MwA multiangle laser light scattering (MALLS)

and their intrinsic viscosities were measured by Maron’s single-point method. The

and

values in Mark-Houwink equation [

] =

in THF at 40℃ were 0.089 mL/g and 0.61 respectively.

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