This research presents data relating to polyvinyl chloride (PVC) modification by means of reactive oligomer and measures technological, physical and mechanical properties of the modified composites. Polyisocyanate (PIC) has been chosen as the modifying reactive oligomer. It has been shown that insertion of the oligomer has a double effect on PVC. Primarily, PIC produces a plasticizing effect on PVC and in particular leads to an increase in thermal stability and melt flow index at the stage of processing. In addition, the molded PVC composites possess higher strength properties and lower deformability when exposed to temperature because of chemical transformations of PIC in polymer matrix and, as the result, the formation of cross-linked systems takes place. In this case, semi-interpenetrating structures are formed based on cross-linked products of PIC chemical transformations homogeneously distributed in the PVC matrix. It has been determined by means of IR-spectroscopy that the basic products of PIC curing are compounds with urea and biuret groups which leads to modifying effect on PVC especially: increase in strength, thermal and mechanical properties, and chemical resistance.
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15 January 2016
ADVANCED MATERIALS IN TECHNOLOGY AND CONSTRUCTION (AMTC-2015): Proceedings of the II All-Russian Scientific Conference of Young Scientists “Advanced Materials in Technology and Construction”
6–9 October 2015
Tomsk, Russia
Research Article|
January 15 2016
Physical and chemical basics of modification of poly(vinyl chloride) by means of polyisocyanate
Anvar Islamov;
Anvar Islamov
a)
1
Kazan State University of Architecture and Engineering
, 420043, Kazan, Zelenaya str, b.1, Russia
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Venera Fakhrutdinova;
Venera Fakhrutdinova
1
Kazan State University of Architecture and Engineering
, 420043, Kazan, Zelenaya str, b.1, Russia
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Lyailya Abdrakhmanova
Lyailya Abdrakhmanova
b)
1
Kazan State University of Architecture and Engineering
, 420043, Kazan, Zelenaya str, b.1, Russia
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a)
Corresponding author: [email protected]
AIP Conf. Proc. 1698, 060012 (2016)
Citation
Anvar Islamov, Venera Fakhrutdinova, Lyailya Abdrakhmanova; Physical and chemical basics of modification of poly(vinyl chloride) by means of polyisocyanate. AIP Conf. Proc. 15 January 2016; 1698 (1): 060012. https://doi.org/10.1063/1.4937867
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