Compatibility of Butyl Acrylate-4-vinyl Pyridine Copolymer with Polyvinyl Chloride

Abstract

Abstract: The butylacrylate-4-vinyl pyridine copolymers [P(BAVP)] with different proportions of 4-vinyl pyridine were synthesized by radical polymerization. A series of mixtures with different proportions of P(DAVP) and PVC were prepared by solvent casting from tetrahydrofuran (THF). Then we assessed their compatibility with dynamical measurements.We found that blends were homogeneous, i. e. these copolymers were miscible with PVC, as long as the content of vinyl pyridlne was more than 1% (molar percent). However, the mixture of polybutyl acrylate (PBA) and PVC was inhomogeneous, which means, these two were immiscible. As the contents of PVC and vingl pyridine sigments in mixture were increasing, the T_g of P(BAVP)/PVC increased. By analyzing the relevant FTIRspectra, we Inferred that the boost of misclbility of P(BAVP) and PVC might due to the fact that the interaction of the P(BAVP) molecules is weaker than that of PBA.

Key words: Butyl acrylate-4-vinyl pyridine copolymer, Blend, Compatibility

CLC Number:

O631.3

TrendMD:

GU Xue-Rong . Compatibility of Butyl Acrylate-4-vinyl Pyridine Copolymer with Polyvinyl Chloride[J]. Chem. J. Chinese Universities, 1998, 19(1): 156.

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Compatibility of Butyl Acrylate-4-vinyl Pyridine Copolymer with Polyvinyl Chloride

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