Latex-state 13C-NMR spectroscopy for poly(butyl acrylate)

被引：4
|
作者：
Iizuka, Yusuke [1 ]
Yamamoto, Yoshimasa [2 ]
Kawahara, Seiichi [1 ]
机构：
[1] Nagaoka Univ Technol, Dept Mat Sci & Technol, Nagaoka, Niigata 9402188, Japan
[2] Tokyo Coll, Natl Inst Technol, Dept Mech Engn, 1220-2 Kunugida Machi, Hachioji, Tokyo 1930997, Japan
来源：
COLLOID AND POLYMER SCIENCE | 2019年 / 297卷 / 01期
基金：
日本学术振兴会;
关键词：
Latex-state C-13-NMR; Poly(butyl acrylate); Local motion; EMULSION POLYMERIZATION; POLY(ETHYL ACRYLATE); PULSED NMR; DYNAMICS; RELAXATION; RESOLUTION;
D O I：
10.1007/s00396-018-4444-2
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The resolution and the relaxation time of poly(butyl acrylate) in latex-state C-13-NMR spectroscopy are associated with local motions of the polymer in a dispersoid. Latexes were prepared by emulsion polymerization of butyl acrylate with ammonium persulfate. The latex-state C-13-NMR spectra were measured at 323-353K with a spectrometer operating at 399.7 and 100.4MHz for H-1 and C-13, respectively. The half width of the latex-state C-13-NMR spectrum depends on the temperature. The half width and the spin-spin relaxation time, T-2, are superimposed onto the master curve with a reference temperature, T-X.
引用
收藏
页码：133 / 139
页数：7
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