Abstract:We investigated the effects of solvent type (mono-ester vs. di-ester solvent) and aging on the structural development in the poly(vinyl chloride)/butyl benzoate (PVC/BB) and PVC/dibutyl phthalate(DBP) gels, as well as on their viscoelastic and mechanical behaviors. It was found that aged PVC/DBP gels held at RT for 7 days exhibit an improvement of about 100% in storage modulus (G 0 ) compared to fresh gels, with a sudden drop in G 0 around 50 8C, whereas the storage moduli of the PVC/BB gels decrease monotonic… Show more
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