Abstract
Ternary copolymerization reactions of p-acryloyloxy-tri-n-butyltin benzoate (ABTB) with N-vinyl-2-pyrrolidone (NVP) and alkyl acrylates [ethyl (EA) and butyl acrylate (BA)] or vinyl acetate (VA) were carried out in solution at 65° in the presence of a free radical initiator. Experimental terpolymerization data agreed well with calculations based on the Alfrey-Goldfinger equation. The unitary, binary and ternary azeotropes of various systems studied was easily determined by a computer program. The results obtained showed that there is no ternary azeotropic compositions for any terpolymer system studied. Selective unitary and binary azeotropic compositions were polymerized and the results obtained showed good agreement between the theoretical and experimental terpolymer composition for each case.
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