A Review on the Poly (Vinyl Chloride) Plastisol Coatings and Its Rheology

Document Type : Review paper

Authors

Department of Resin and Additives, Institute for Color Science and Technology

Abstract

Coatings based on plastisol or paste of poly (vinyl chloride), which are mainly used as flooring and automotive underbody coatings, are a special type of coating that has a limited amount of volatile solvent. Due to the high concentration of the resin and the possibility of applying high thickness, this type of coating has excellent mechanical properties, corrosion resistance, and thermal insulation properties. The mechanism of film formation of this type of coating is also different so that after applying it on the substrate, the microstructures are changed by heating, thus the paste becomes a physical gel. Then with the further increase of temperature, the fusion process begins, in which the gel is melted and reaches the final properties while homogenizing and leveling. It is important to study the rheology of plastisol coatings, both at the beginning which is in the form of a paste that is usually applied by spraying and after being subjected to gelation and fusion processes, which can be controlled using rheology. In this article, we will first introduce plastisol, its components followed by gelation and fusion processes, and lastely we will review the factors affecting the rheology of poly (vinyl chloride) plastisol.
 

Keywords

Main Subjects

References

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Journal of Studies in Color World
Volume 10, Issue 3 - Serial Number 3
December 2020
Pages 13-28

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History

  • Receive Date: 22 September 2020
  • Revise Date: 09 November 2020
  • Accept Date: 22 November 2020

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