Mathematical Modelling of a Self-Polishing Antifouling Paint Exposed to Seawater: A Parameter Study

A fundamental mathematical model for a self-polishing antifouling paint was used to conduct a parameter study. The aims were to show how a mathematical model can reduce the amount of experimental work needed to estimate the behaviour of self-polishing antifouling paints at different conditions, and...

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Bibliographic Details
Published inChemical engineering research & design Vol. 80; no. 1; pp. 45 - 52
Main Authors Kiil, Søren, Weinell, Claus E., Pedersen, Michael S., Dam-Johansen, Kim
Format Journal Article
LanguageEnglish
Published Elsevier B.V 2002
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Summary:A fundamental mathematical model for a self-polishing antifouling paint was used to conduct a parameter study. The aims were to show how a mathematical model can reduce the amount of experimental work needed to estimate the behaviour of self-polishing antifouling paints at different conditions, and to suggest ways of controlling biocide release rates. A case study with an antifouling paint based on the well-known tributyltin self-polishing copolymer system showed that the rate of paint polishing was influenced, to various degrees, by the following parameters: seawater pH and concentration of NaCl, pigment particle size, pigment volume concentration of the paint, the rate of pigment dissolution, and the pore size distribution of the leached layer. The modelling approach can be applied to any type of self-polishing antifouling paint provided that kinetic, solubility and diffusivity data are available for the pertinent rate-influencing steps.
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SourceType-Scholarly Journals-1
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ISSN:0263-8762
DOI:10.1205/026387602753393358