Synthesis of 4-arm methyl methacrylate star polymer by atom transfer radical polymerization

doi:10.1007/s11458-009-0010-2

Front Chem Chin

2009, Vol. 4

Issue (1) : 89-92 https://doi.org/10.1007/s11458-009-0010-2

RESEARCH ARTICLE

Synthesis of 4-arm methyl methacrylate star polymer by atom transfer radical polymerization

Huaming SUN, Ziwei GAO(

), Lin YANG, Lingxiang GAO

College of Chemistry and Materials Science, Shaanxi Normal University, Xi’an 710062, China

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Abstract

The synthesis of 4-arm methyl methacrylate star polymer had been achieved successfully by atom transfer radical polymerization using CuCl as catalyst, 2, 2￠- bipyridyl as ligand and pentaerythritol tetrakis (2-bromoisobutyrate) as the initiator. The star polymer was characterized by ¹H-NMR and GPC, by which the precise 4-arm structure of the PMMA was confirmed.

Keywords living radical polymerization atom transfer radical polymerization star polymer methyl methacrylate

Corresponding Author(s): GAO Ziwei,Email:zwgao@snnu.edu.cn

Issue Date: 05 March 2009

Cite this article:

Lingxiang GAO,Ziwei GAO,Lin YANG, et al. Synthesis of 4-arm methyl methacrylate star polymer by atom transfer radical polymerization[J]. Front Chem Chin, 2009, 4(1): 89-92.

URL:

https://academic.hep.com.cn/fcc/EN/10.1007/s11458-009-0010-2
https://academic.hep.com.cn/fcc/EN/Y2009/V4/I1/89

Fig.1 Synthetic route of the star polymer

Fig.2 GPC traces of 4-arm star PMMA and its hydrolysate

Fig.3 GPC traces of the mixture of linear and 4-arm star PMMA, obtained by using an equimolar mixture of monohalide and tetrahalide as initiators

Tab.1 Molecular characterization results of 4-arm star PMMA obtained by ATRP

Fig.4 and / versus conversion for the ATRP of MMA

Fig.5 Gel permeation chromatograms of a 4-arm star PMMA

Fig.6 H-NMR spectra of a 4-arm star PMMA in CDCl

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