STUDY ON SULFONATION OF 3,4-POLYISOPRENE AND STRUCTURES OF ITS IONOMERS

GUO Chun-ling; ZHANG Hong-fang; GONG Zhi; XUE Xiao-fu; MO Zhi-shen; WANG Fo-song

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STUDY ON SULFONATION OF 3,4-POLYISOPRENE AND STRUCTURES OF ITS IONOMERS

Research Article | 更新时间：2021-03-19

- STUDY ON SULFONATION OF 3,4-POLYISOPRENE AND STRUCTURES OF ITS IONOMERS
- Acta Polymerica Sinica Issue 5, Pages: 554-558(1990)
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- Published：20 October 1990，
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GUO Chun-ling, ZHANG Hong-fang, GONG Zhi, XUE Xiao-fu, MO Zhi-shen, WANG Fo-song. STUDY ON SULFONATION OF 3,4-POLYISOPRENE AND STRUCTURES OF ITS IONOMERS. [J]. Acta Polymerica Sinica (5):554-558(1990)
DOI：

GUO Chun-ling, ZHANG Hong-fang, GONG Zhi, XUE Xiao-fu, MO Zhi-shen, WANG Fo-song. STUDY ON SULFONATION OF 3,4-POLYISOPRENE AND STRUCTURES OF ITS IONOMERS. [J]. Acta Polymerica Sinica (5):554-558(1990) DOI：

摘要

本工作合成了磺化的3

4-聚异戊二烯及其离子聚合体

IR和NMR谱图证明对3

4-聚异戊二烯的磺化反应是成功的

并且磺酸基团主要与3

4-链节的侧基双键发生反应。WAXD对磺化3

4-聚异戊二烯及其离聚体的研究表明

磺化度的增加使离聚体的结晶能力降低

SAXS结果表明

在离子含量为3.29mol％的离聚体中

未观察到离子簇聚集

只观察到多重离子对的散射。

Abstract

Sulfonated 3

4-polyisoprene and its ionomers were synthesized. Their structures and cry-stallinity were examined by IR

1H-NMR

WAXD and SAXS. The results show that the cry-stallinity of the ionomers is reduced with the increasing content of sulfonic acid groups and sodium salts. The peak in various ionomers

which characterizes the structure of clusters of ionic aggregates

was not observed in the pattern of small angle X-ray scattering. It is shown that only multiplets of group of a few tightly bound ion paire exist. IR spectra indicate the presence of the O=S=O symmetrical and asymmetrical stretch peaks at 1040 and 1200cm-1.The 1H-NMR experiments indicated that sulfonic acid groups mainly react with the side chain double bonds of 3

4-polyisoprene.

关键词

离聚体磺化34-聚异戊二烯钠盐离子簇多重离子对

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