PREPARATION AND VIBRATIONAL SPECTROSCOPIC CHARACTERIZATION OF COPOLYMERS OF 2,3-DIMETHYLBUTADIENE AND METHYL-METHACRYLATE

被引：7

作者：

EDWARDS, HGM

JOHNSON, AF

LEWIS, IR

WARD, NJ

WHEELWRIGHT, S

机构：

[1] Interdisciplinary Research Centre in Polymer Science and Technology, Chemistry and Chemical Technology, University of Bradford, Bradford, West Yorkshire, BD7 1DP, Richmond Road

来源：

JOURNAL OF RAMAN SPECTROSCOPY | 1993年 / 24卷 / 08期

关键词：

D O I：

10.1002/jrs.1250240805

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

The preparation and vibrational spectroscopic characterization of the hitherto unreported products of the copolymerization of 2,3-dimethylbutadiene and methyl methacrylate are presented. The polymers were prepared by free radical polymerization using alpha,alpha'-azobisisobutyronitrile as the initiator. Raman and Fourier transform infrared spectroscopic information on the 2,3-dimethylbutadiene-methyl methacrylate copolymer is presented for a range of copolymers differing in the 2,3-dimethylbutadiene to methyl methacrylate ratio. Quantitative information of the microstructure of the polymer and copolymer using the C=C stretching vibrations is provided by Raman spectroscopy. Evidence is presented for the splitting of the C=O stretching vibration, ascribed to aggregated syndiotactic and unaggregated syndio- and isotactic poly(methyl methacrylate) at 1734 and 1724 cm-1, respectively.

引用

页码：495 / 500

页数：6

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