Stabilization of thermal degradation of poly(methyl methacrylate) by polysulfide polymers

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作者：

Indian Inst of Science, Bangalore, India ^{[1
]}

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来源：

J Appl Polym Sci | / 11卷 / 2149-2156期

关键词：

Free radical reactions - Mass spectrometry - Molecular structure - Polymethyl methacrylates - Polysulfides - Pyrolysis - Reaction kinetics - Thermogravimetric analysis;

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摘要：

The thermal degradation of poly(methyl methacrylate) (PMMA) in the presence of polysulfide polymers, namely, poly(styrene disulfide) (PSD) and poly(styrene tetrasulfide) (PST) was studied using thermogravimetry (TG) and direct pyrolysis-mass spectrometric (DP-MS) analysis. Both PSD and PST were found to stabilize the PMMA degradation, which was explained by both radical recombination and a chain-transfer mechanism.

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