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Surface and fouling-release properties of silicone/organomodified montmorillonite coatings
Beigbeder, A.; Labruyère, C.; Viville, P.; Pettitt, M.E.; Callow, M.E.; Callow, J.A.; Bonnaud, L.; Lazzaroni, R.; Dubois, P. (2011). Surface and fouling-release properties of silicone/organomodified montmorillonite coatings. Journal of Adhesion Science and Technology 25(14): 1689-1700. dx.doi.org/10.1163/016942410X524129
In: Journal of Adhesion Science and Technology. TAYLOR & FRANCIS LTD: Abingdon. ISSN 0169-4243, more
Peer reviewed article  

Available in Authors 

Keyword
    Marine
Author keywords
    Nanocomposite; silicone; clay; montmorillonite; biofouling

Authors  Top 
  • Beigbeder, A., more
  • Labruyère, C.
  • Viville, P.
  • Pettitt, M.E.
  • Callow, M.E.
  • Callow, J.A.
  • Bonnaud, L.
  • Lazzaroni, R., more
  • Dubois, P.

Abstract
    Poly(dimethylsiloxane) (PDMS)/organomodified montmorillonite (OMMT) nanocomposites have been prepared, characterised and the fouling-release properties of these materials have been studied through laboratory assays involving a representative soft-fouling species, the green alga, Ulva. The bulk mechanical properties of the polymer matrix have been slightly changed by the addition of OMMT, i.e., to a higher Young's modulus value. The surface properties of the nanocomposites were modified after immersion in water. Indeed, it appears that the surface topography, as observed with AFM, is affected by the presence of OMMT after immersion in water. The data indicate that the modified surface affects the fouling release behaviour of sporelings (young plants) of Ulva; percentage removal by hydrodynamic shear stress increases from 28% for the unfilled PDMS control to 78% for the 2 wt% filled coating.

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