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Thermal degradation in the solid state of metal salts of methacrylic acid oligomers

โœ Scribed by Kiyoshi Naruchi; Jun-ichi Imaizumi; Seiji Tanaka; Makoto Yamamoto; Kazutoshi Yamada


Publisher
Elsevier Science
Year
1984
Tongue
English
Weight
721 KB
Volume
8
Category
Article
ISSN
0141-3910

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Solid-state 13C NMR study on thermal deh
โœ Atsushi Asano; Masaru Eguchi; Takuzo Kurotu ๐Ÿ“‚ Article ๐Ÿ“… 1999 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 169 KB ๐Ÿ‘ 2 views

Thermal dehydration process of PMAA was investigated by solid-state 13 C NMR. For heat-treated PMAA at 150ยฐC, at which the dehydration goes very slowly, we observed three 13 C peaks at 172, 178, and 187 ppm in the carboxyl group region. The peak at 172 ppm is due to the intramolecular cyclic anhydri