Abstract
A kind of chemical method that used water as the liquid reaction medium to decompose epoxy resin was studied. The thermosetting epoxy resin was decomposed successfully under the condition of near-critical water. The decomposition rate of epoxy resin raised rapidly as the reaction time and reaction temperature increased. The decomposition reaction products were characterized by infra-red spectra and gas chromatography-mass spectrometry. The phenol, isopropylphenol, 4, 4′-(1-methylethylidene) bis-phenol were found as the main compounds in liquid products, which were common monomers from epoxy resin. When reaction was carried out at the temperature of 260 C-300 C, the decomposition mechanism of epoxy resin was envisaged as the ether and ester bonds cracking.
| Original language | English |
|---|---|
| Pages (from-to) | 781-786 |
| Number of pages | 6 |
| Journal | Journal Wuhan University of Technology, Materials Science Edition |
| Volume | 28 |
| Issue number | 4 |
| DOIs | |
| State | Published - Aug 2013 |
| Externally published | Yes |
Keywords
- decomposition
- epoxy resin
- mechanism
- near-critical water
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