用红外光谱研究甲基丙烯酸甲酯-苯乙烯共聚物序列结构

张宪旺; 朱善农; 金顺子; 刘兰珍

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用红外光谱研究甲基丙烯酸甲酯-苯乙烯共聚物序列结构

研究简报 | 更新时间：2021-03-19

- 用红外光谱研究甲基丙烯酸甲酯-苯乙烯共聚物序列结构
- STUDY ON THE SEQUENCE STRUCTURE OF METHYL METHACRYLATE-STYRENE (M-S) COPOLYMERS BY INFRARED SPECTROSCOPY
- 高分子学报 1980年第2期页码：123-126
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- 纸质出版日期：1980-4-20，
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张宪旺, 朱善农, 金顺子, 刘兰珍. 用红外光谱研究甲基丙烯酸甲酯-苯乙烯共聚物序列结构[J]. 高分子学报, 1980,(2):123-126.

Chang Xian-wang, Chu Shan-nung, JIN Shun-zi, Liu Lan-chen. STUDY ON THE SEQUENCE STRUCTURE OF METHYL METHACRYLATE-STYRENE (M-S) COPOLYMERS BY INFRARED SPECTROSCOPY[J]. Acta Polymerica Sinica, 1980,(2):123-126.
张宪旺, 朱善农, 金顺子, 刘兰珍. 用红外光谱研究甲基丙烯酸甲酯-苯乙烯共聚物序列结构[J]. 高分子学报, 1980,(2):123-126. DOI：

Chang Xian-wang, Chu Shan-nung, JIN Shun-zi, Liu Lan-chen. STUDY ON THE SEQUENCE STRUCTURE OF METHYL METHACRYLATE-STYRENE (M-S) COPOLYMERS BY INFRARED SPECTROSCOPY[J]. Acta Polymerica Sinica, 1980,(2):123-126. DOI：

摘要

Abstract

A series of M-S low conversion copolymers were prepared by free radical polymerization and their IR spectra were measured.The 1149.5 cm-1 band which is related to a skeletal vibration coupled with CH deformation vibration in PMMA

is shifted to lower wave number with a decrease in the content of MMA in the copolymer.Two results can be drawn:(1) The correlation curve between this band position and the sequence length of M unit in the copolymer is obtained.(2) The displacement of wave number of this band is approximately propop-tional to FSMS which is defined as the mole fraction of SMS in trids of SMS.MMS.SMM.and MMM. Other environmental-sensitive bands which depend on sequence distribution were also discussed.

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