Journal
PROGRESS IN ORGANIC COATINGS
Volume 130, Issue -, Pages 132-143Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.porgcoat.2019.01.055
Keywords
Fouling release coating; Polydimethylsiloxane; Phenylmethylsilicone oil; MWCNTs-OH; Leaching
Funding
- National Natural Science Foundation of China [51879021, 51179018]
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In order to control the leaching of phenylmethylsilicone oil (PSO) reasonably from the fouling release coating based on polydimethylsiloxane, the MWCNTs-OH/Fe2O3 composite coatings was investigated, including the surface properties, the mechanical properties, especially the leaching performance of PSO and the antifouling performance of the coatings. When the content of MWCNTs-OH/Fe2O3 is controlled at 1% of the pigment volume concentration, with the increase of the volume ratio of MWCNTs-OH, the mechanical properties and the surface roughness of the coating increase. The increase in the volume ratio of MWCNTs-OH causes the transformation of the leaching behavior of PSO from the molecular network diffusion to the channel diffusion, enhancing the leaching efficiency of PSO. Moreover, the improvement of the anti-biofilm adhesion performance is confirmed by increase the leaching efficiency of PSO. The panel tests of the antifouling coatings in Yellow sea in China also indicates that coatings had the excellent antifouling effect when the volume ratio of MWCNTs-OH is more than 50% in the mixed powders.
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