The influence of polyvinylpyrrolidone as a polymer modifier on the morphology and properties of copolyimide

Keywords

copolyamide, modification, thermoplastic, fluidity, strength, polymer, crystal­linity, shrinking, powdering, plasticizer.

Cite as

Humenetskyi T. V., Masiuk A. S., Levytskyi V. Ye., and Bilyi L. M. The influence of polyvinylpyrrolidone as a polymer modifier on the morphology and properties of copolyimide. Physicochemical Mechanics of Materials. 2023. 59(3), 122-128.

https://doi.org/10.15407/pcmm2023.03.122

Abstract

Peculiarities of copolyamide modification by polyvinylpyrrolidone in a viscous state were studied. The differential scanning calometry revealed changes in the morphology and phase transitions of modified copolyamide materials. In particular, the increased technological compatibility between the components of the copolyamide-polyvinyl pyrrolidone mixture is established. The effect of the modifier on the strength and thermophysical properties of the studied thermoplastic was found. In particular, the introduction of polyvinylpyrrolido­ne into copolyamide contributes to the growth of its strength during tearing and relative elongation and leads to a certain decrease in Vicat softening point and change of its tech­nological properties.

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