Abstract
One chemical approach using nitric acid as the solvent to decompose thermosetting epoxy resin was discussed. The samples were prepared by using different kinds of curing agents, namely polyamide (PA651), isophorone diamine (IPDA), 4, 4'-diaminodiphenylmethane (DDM) and 2-ethyl-4-methy-imidazole (EMI-2, 4) and different kinds of epoxy resins, namely bisphenol-A epoxy resin(E-44), bisphenol-A epoxy resin(E-51), N, N, N', N' teraglycidy 4, 4' diaminodiphenyl methane (AG-80) and diglycidyl-4, 5-epoxycyclohexane-1, 2-dicarboxylate (TDE-85). Their effects on decomposition rate were investigated and the decomposition products were analyzed by Infra-red (IR) spectra, and Gas Chromatography-Mass Spectrometry (GC-MS). Based on conclusions drawn from experiments, the mechanism of degrading thermosetting epoxy resin with nitric acid was envisaged tentatively.
| Original language | English |
|---|---|
| Pages (from-to) | 19-25 |
| Number of pages | 7 |
| Journal | Journal of Harbin Institute of Technology (New Series) |
| Volume | 19 |
| Issue number | 4 |
| State | Published - Aug 2012 |
| Externally published | Yes |
Keywords
- Chemical decomposition
- Epoxy resin
- Nitric acid
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