Synthesis and structural characterization of a liquid polyisoprene bearing amidoxime end groups

被引：0
|
作者：
Fabrice Burel
Hassan Oulyadi
Claude Bunel
Vladimir Grishchenko
Natalya Busko
Antonina Barantsova
Vitaly Boiko
机构：
[1] INSA de Rouen - UMR 6270 - FR3038 CNRS,Department of Oligomers and Synthetic Rubbers
[2] Laboratoire de Résonance Magnétique Nucléaire,undefined
[3] UMR 6014 CNRS,undefined
[4] IRCOF,undefined
[5] INSA et Université de Rouen,undefined
[6] Institute of Macromolecular Chemistry,undefined
来源：
Journal of Polymer Research | 2011年 / 18卷
关键词：
Radical polymerization; Liquid rubber; Amidoxime; Structure; NMR;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Azo-bis(isobutyroamidoxime) was synthesized and used as functionalized initiator to prepare a liquid isoprene bearing amidoxime end groups via radical polymerization. The polymer was characterized by FT-IR, Gel Permeation Chromatography and NMR. In particular, the structure of the polymer was investigated using 1D and 2D NMR techniques. The distribution of the different isoprene units (1,4-trans, 1,4-cis, 1,2 and 3,4), as well as the structure of the amidoxime end-groups was determined. It was found that the structure of the end groups was governed by the steric hindrance of the initiator. Only 1,4 and 4,1 functionalized end units were evidenced, with a majority of 4,1 end units.
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页码：2265 / 2273
页数：8
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