Preparation and characterization of a water-based nanoparticle green polymer intended for application as a protective concrete coating against carbonation

Document Type : Original Article

Authors

1 Research and development department, Eagle chemicals company, Egypt.

2 Faculty of Science, Helwan University, Helwan, Egypt.

Abstract

This study investigates the effectiveness of anti-carbonation coatings based on nanoemulsion terpolymers used in protecting reinforced concrete structures from concrete carbonation. A nano styrene acrylate terpolymer that a surfactant had stabilized was produced via free radical emulsion polymerization. The eco-friendly emulsion is confirmed using minimum film-forming temperature, Fourier transforms infrared spectroscopy and particle size distribution. It is then formulated as a binder for water-based anti-carbonation coating. Elongation, crack-bridging ability, low carbon dioxide permeability, average pull-off adhesion strength, and QUV/weathering are the characteristics of the anti-carbonation coating. Finally, we compared the prepared anti-carbonation coating based on the formulated nanoemulsion terpolymers as a binder with the commercial styrene acrylate copolymer coating in anti-carbonation terms. The produced coating based on the formulated emulsion was shown to perform better than its commercial counterpart, according to the data obtained. The nano styrene acrylate emulsion was shown to boost anti-carbonation coating performance. The prepared coating based on synthetic nanoemulsion terpolymers increases the life span of the concrete and prevents the collapse of buildings, among other significant and social implications.

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History

  • Receive Date: 23 September 2022
  • Revise Date: 17 October 2022
  • Accept Date: 13 November 2022

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