Abstract
The effect of the ratio between pigment volume concentration (PVC) and critical pigment volume concentration (CPVC), denoted hereafter by Λ, on the thermal and mechanical properties of an epoxy primer was investigated by thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), dynamic-mechanical analysis (DMA), stress–strain tests and measurement of Persoz hardness. Paints based on epoxy resin were prepared at different Λ values (0.73, 0.80, 0.88, 0.93, 0.98, 1.08, 1.15 and 1.24). It was concluded that thermal and mechanical properties can be greatly affected by the PVC/CPVC ratio and in a complex manner.
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