Microstructure of methyl methacrylate/tert-butyl acrylate copolymer characterized by 13C NMR spectroscopy

被引：11

作者：

Bujak, Piotr ^{[2
]}

Matlengiewicz, Marek ^{[1
,2
]}

Pasich, Marcin ^{[2
]}

Henzel, Norbert ^{[3
]}

机构：

[1] Polish Acad Sci, Ctr Polymer & Carbon Mat, PL-44121 Gliwice, Poland

[2] Silesian Univ, Dept Environm Chem & Technol, PL-40006 Katowice, Poland

[3] Silesian Tech Univ, Inst Elect, PL-44100 Gliwice, Poland

来源：

POLYMER BULLETIN | 2010年 / 64卷 / 03期

关键词：

Methyl methacrylate/tert-butyl acrylate copolymer; C-13 NMR spectroscopy; Sequence distribution; TRANSFER RADICAL POLYMERIZATION; SEQUENCE DISTRIBUTION; POLY(TERT-BUTYL ACRYLATE); REACTIVITY RATIOS; STEREOREGULARITY; SPECTRA; SIGNALS;

D O I：

10.1007/s00289-009-0161-9

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

100 MHz C-13 NMR spectra of methyl methacrylate/tert-butyl acrylate copolymer, PMMA/tBA, reveal configurational effects of both comonomers. The microstructure of the macromolecular chain has been determined utilizing carbonyl and beta-CH2 carbon signals and the spectral assignments were performed in terms of the configurational-compositional sequences. To determine the line positions of individual sequences, the incremental method of the chemical shift calculation has been applied. Based on these data, the analyzed signals were simulated yielding fairly good agreement with the experimental spectra-at the pentad level for the carbonyl signal and at the tetrad level for beta-CH2 signal.

引用

页码：259 / 273

页数：15

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