Synthesis of Hydroxy-functionalized Ultrahigh Molecular Weight Polyethylene Using Fluorenylamidotitanium Complex

Xiang-Yang Song; Qiong Ma; Hao-Bo Yuan; Zheng-Guo Cai

doi:10.1007/s10118-018-2046-6

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Synthesis of Hydroxy-functionalized Ultrahigh Molecular Weight Polyethylene Using Fluorenylamidotitanium Complex

Articles | Updated：2021-02-18

- Synthesis of Hydroxy-functionalized Ultrahigh Molecular Weight Polyethylene Using Fluorenylamidotitanium Complex
- Chinese Journal of Polymer Science Vol. 36, Issue 2, Pages: 171-175(2018)
- Affiliations：
  
  State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
- Author bio：
  
  Zheng-Guo Cai, E-mail caizg@dhu.edu.cn
- Funds：
- DOI：10.1007/s10118-018-2046-6
  CLC：
- Received：25 August 2017，
  
  Accepted：21 September 2017，
  
  Online First：16 November 2017，
  
  Published：05 February 2018
- Accepted：
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Xiang-Yang Song, Qiong Ma, Hao-Bo Yuan, et al. Synthesis of Hydroxy-functionalized Ultrahigh Molecular Weight Polyethylene Using Fluorenylamidotitanium Complex[J]. Chinese Journal of Polymer Science, 2018, 36(2): 171-175.
DOI：

Xiang-Yang Song, Qiong Ma, Hao-Bo Yuan, et al. Synthesis of Hydroxy-functionalized Ultrahigh Molecular Weight Polyethylene Using Fluorenylamidotitanium Complex[J]. Chinese Journal of Polymer Science, 2018, 36(2): 171-175. DOI： 10.1007/s10118-018-2046-6.

摘要

Abstract

Copolymerizations of ethylene and 1-dodecene were conducted with a series of

ansa

-fluorenylamidodimethyltitanium complexes

[

-BuNSiMe

Flu]TiMe

(

)

[

-BuNSiMe

Flu)]TiMe

(

)

and[(1-adamantyl)NSiMe

Flu)]TiMe

(

) activated by modified methylaluminoxane. The activity increased by the introduction of the alkyl groups on the fluorenyl and amido ligands

and

produced the highest molecular weight copolymers. Complex

also promoted copolymerization of ethylene and

Al protected 10-undecen-1-ol with high activity (~2000 kg·mol

-1

·h

-1

)

affording hydroxy-functionalized ultrahigh molecular weight polyethylene. The hydroxy content of the copolymers obtained was controllable by changing comonomer feed ratio. The introduction of a small amount of hydroxy group can alter the surface properties of polyethylene.

关键词

Keywords

references

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