The Influence of Polyvinylpyrrolidone as a Polymer Modifier on the Morphology and Properties of Copolyamide

被引：0
作者：
Humenetskyi, T. V. [1 ]
Masiuk, A. S. [1 ]
Levitskyi, V. Ye. [1 ]
Bilyi, L. M. [2 ]
机构：
[1] Lviv Polytech Natl Univ, Minist Educ & Sci Ukraine, Lvov, Ukraine
[2] Natl Acad Sci Ukraine, Karpenko Physicomechan Inst, Lvov, Ukraine
来源：
MATERIALS SCIENCE | 2023年 / 59卷 / 03期
关键词：
copolyamide; modification; thermoplastic; fluidity; strength; polymer; crystallinity; shrinking; powdering; plasticizer;
D O I：
10.1007/s11003-024-00788-5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Peculiarities of copolyimide 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. The increased technological compatibility between the components of copolyamide-polyvinyl pyrrolidone mixture was established. The effect of the modifier on the strength and thermophysical properties of the studied thermoplastic was found. Introduction of polyvinylpyrrolidone contributes to the growth of copolyamide strength under rupture and relative elongation and leads to a certain decrease in Vicat softening point and change of copolyamide technological properties.
引用
收藏
页码：377 / 383
页数：7
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