Influence of plasticizers and polystyrene modifiers nature on the properties of poly(vinylchloride) plastics and composites

Authors

DOI:

https://doi.org/10.15587/1729-4061.2014.29890

Keywords:

poly(vinylchloride), modification, polystyrene, polymer-silicate composite, plasticization, acrylonitrile-butadiene-styrene plastic, filler, dibutyl phthalate

Abstract

Based on the studies, the influence of plasticizer and polystyrene modifier nature on the physicomechanical, thermophysical and physicochemical properties of PVC plasticates was determined. With the increase in the polystyrene modifier content, the surface hardness, Vicat softening temperature and value of composites elasticity increases and the degree of plasticizer release decreases. This is achieved by directed influence of the nature and content of the modifier and plasticizer on the morphology of PVC plasticates with the formation of a denser fluctuation grid, which is caused by the redistribution of intermolecular interactions in the system. Growth of physicomechanical and thermophysical parameters of PVC composites with an increase in the content of polymer-containing fillers (polystyrene-magnetite materials and polymer-silicate composites) due to an increase in technological compatibility between the components and the formation of interfacial layers with the direct participation of the filler macromolecules was revealed.

It is shown that the directed introduction of polystyrene modifiers, fine polymer-containing fillers and diesterphthalic plasticizers allows to influence the morphology of PVC materials and, thus, achieve the desired set of physicomechanical, thermophysical and physicochemical properties of composites for a specific practical application.

Author Biographies

Юрій Валерійович Ларук, National University "Lviv Polytechnic" st. Stepan Bandera, 12, Lviv, Ukraine, 79013

Graduate student

Department of Chemical Technology Plastic Processing

Володимир Євстахович Левицький, National University "Lviv Polytechnic" st. Stepan Bandera, 12, Lviv, Ukraine, 79013

Professor

Department of Chemical Technology Plastic Processing

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Published

2014-12-15

How to Cite

Ларук, Ю. В., & Левицький, В. Є. (2014). Influence of plasticizers and polystyrene modifiers nature on the properties of poly(vinylchloride) plastics and composites. Eastern-European Journal of Enterprise Technologies, 6(11(72), 4–8. https://doi.org/10.15587/1729-4061.2014.29890

Issue

Vol. 6 No. 11(72) (2014): Materials Science

Section

Materials Science

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Copyright (c) 2014 Юрій Валерійович Ларук, Володимир Євстахович Левицький

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