Abstract
The cure behavior of epoxy resin with a conventional amide-type hardener (HD) was investigated in the presence of castor oil (CO), cashew nut shell liquid (CNSL), and cashew nut shell liquid-formaldehyde resin (CFR) with dynamic differential scanning calorimetry (DSC). The activation energy of the curing reaction was also calculated on the basis of nonisothermal DSC thermograms at various heating rates. A one-stage curing was noted in the case of epoxy resin filled with CO, whereas the epoxy resin with CNSL and CFR showed a two-stage curing process. A competitive cure reaction was noted for the epoxy resin/CNSL(or CFR)/HD blends. In the absence of HD, CFR showed lower values of curing enthalpy than that of CNSL. The activation energy of epoxy resin curing increased with increasing CNSL and CFR loading.
| Original language | English |
|---|---|
| Pages (from-to) | 178-184 |
| Number of pages | 7 |
| Journal | Journal of Applied Polymer Science |
| Volume | 106 |
| Issue number | 1 |
| DOIs | |
| State | Published - 2007.10.5 |
Keywords
- Crosslinking
- Curing of polymers
- Kinetics
- Resins
Quacquarelli Symonds(QS) Subject Topics
- Materials Science
- Chemistry
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