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Joint-action of antifouling substances in copper-free paints

Authors
Journal
Colloids and Surfaces B Biointerfaces
0927-7765
Publisher
Elsevier
Publication Date
Volume
102
Identifiers
DOI: 10.1016/j.colsurfb.2012.08.055
Keywords
  • Bioadhesion
  • Biofouling
  • Microfouling
  • Erodable Paint
  • Antifouling Agent
Disciplines
  • Chemistry
  • Ecology
  • Geography

Abstract

Abstract Due to the environmentally harmful impact of tributyltin self-polishing paints, there is a critical need of more ecological alternatives. The aim of the present work is to study the joint-action of three molecules chosen in order to combine the two modes of prevention: chemical and physical repelling of biofouling. This “hybrid” system is principally dedicated to disturb durable settlement of microfouling. Each component was chosen according to its specific properties: chlorhexidine is a bisdiguanide antiseptic with antibacterial activity, zinc peroxide is an inorganic precursor of high instable entities which react with seawater to create hydrogen peroxide, Tween 85 is a non ionic surfactant disturbing interactions between colonizing organisms and surface. Obtained results highlighted the interest on mixing such molecules to get additive action on antifouling efficiency.

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