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Study on the thermal degradation of polyoxymethylene by thermogravimetry–Fourier transform infrared spectroscopy (TG–FTIR)
Author(s) -
Duan Yifei,
Li Huilin,
Ye Lin,
Liu Xiaolong
Publication year - 2006
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.22913
Subject(s) - polyoxymethylene , thermogravimetry , fourier transform infrared spectroscopy , formaldehyde , degradation (telecommunications) , materials science , infrared spectroscopy , polymer chemistry , carbon monoxide , chemical engineering , chemistry , organic chemistry , composite material , polymer , catalysis , inorganic chemistry , telecommunications , computer science , engineering
Thermal degradation behaviors of polyoxymethylene in nitrogen are systematically studied by Thermogravimetry–Fourier Transform infrared spectroscopy (TG–FTIR). Two primary degradation mechanisms are definitely determined by the production of formaldehyde and carbon monoxide collected from successive FTIR spectrum. First, POM tends to split off formaldehyde starting at unstable chain‐ends, then random chain scission occurs at elevated temperature, and several related reactions possibly occur during the degradation process. The results prove that during the degradation, formaldehyde is the predominant product, and therefore polyether as the stabilizers used can greatly improve the degradation temperature of POM in the initial stage, and consequently effectively inhibit the thermal degradation of POM. © 2006 Wiley Periodicals, Inc. J Appl Polym Sci 99: 3085–3092, 2006