Issue 65, 2020, Issue in Progress

New strategy for synthesis of hydroxyl-terminated poly(3-hexylthiophene) and its block copolymer using an η3-π-allyl hydroxyl-functionalized Ni(i) initiator

Abstract

A novel hydroxyl-terminated π-allyl nickel initiator [η3-Ni(CH2CHCHCH2OCOCH3)][BPhF4] is synthesized for the first time. 1H-NMR analysis confirms that the Ni initiator possesses a typical π-allyl structure with a protected hydroxyl group. The Ni initiator is applied to synthesize hydroxyl-terminated poly(3-hexylthiophene). It successfully initiates the homopolymerization of thiophene, and yields narrow molecular weight distribution, hydroxyl-terminated poly(3-hexylthiophene). Moreover, it is found that [η3-Ni(CH2CHCHCH2OCOCH3)][BPhF4] has high initiating activity in the polymerization of styrene and butadiene. A hydroxyl-terminated polybutadiene-b-poly(3-hexylthiophene) block copolymer is synthesized by using [η3-Ni(CH2CHCHCH2OCOCH3)][BPhF4] to improve the workability and brittleness of poly(3-hexylthiophene).

Graphical abstract: New strategy for synthesis of hydroxyl-terminated poly(3-hexylthiophene) and its block copolymer using an η3-π-allyl hydroxyl-functionalized Ni(i) initiator

Supplementary files

Article information

Article type
Paper
Submitted
10 Sep 2020
Accepted
23 Oct 2020
First published
01 Nov 2020
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2020,10, 39814-39821

New strategy for synthesis of hydroxyl-terminated poly(3-hexylthiophene) and its block copolymer using an η3-π-allyl hydroxyl-functionalized Ni(I) initiator

X. Min, C. Zhan, P. Yan and Z. Ye, RSC Adv., 2020, 10, 39814 DOI: 10.1039/D0RA07773A

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