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Non-Toxic Novel Silicone Foul-Release Marine Coatings

Non-Toxic Novel Silicone Foul-Release Marine Coatings
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With new regulations restricting the use of toxic metals and chemicals, the marine coating industry is in need of new coatings. Ideally, these new materials should be non-toxic and biologically inert but still prevent the adhesion of marine life. The coatings should be easy to apply, cure rapidly and be relatively tough elastomers. 

Product Number: 41212-713-SG
Author: Rob Thomaier
Publication Date: 2012
Industry: Coatings
$0.00
$20.00
$20.00

With new regulations restricting the use of toxic metals and chemicals, the marine coating industry is in need of new coatings. Ideally, these new materials should be non-toxic and biologically inert but still prevent the adhesion of marine life. The coatings should be easy to apply, cure rapidly and be relatively tough elastomers. This study evaluates modified silicone materials as foul-release coatings. The coatings were tested by a novel barnacle adhesion test with adhesion results in two weeks. The test consisted of coated glass slides upon which a barnacle was transferred from one substrate and re-attached to the test slide. After the barnacle re-attached, the adhesion was directly measured by a force displacement tester. Results are measured in psi. Also, coatings were evaluated with in-situ samples placed in test racks in Morro Bay, California. Concrete samples were be coated with foul-releasing coatings and submerged off the beach in Central California. Marine growth was monitored, and photos taken at monthly intervals, with the growths identified and quantified.

With new regulations restricting the use of toxic metals and chemicals, the marine coating industry is in need of new coatings. Ideally, these new materials should be non-toxic and biologically inert but still prevent the adhesion of marine life. The coatings should be easy to apply, cure rapidly and be relatively tough elastomers. This study evaluates modified silicone materials as foul-release coatings. The coatings were tested by a novel barnacle adhesion test with adhesion results in two weeks. The test consisted of coated glass slides upon which a barnacle was transferred from one substrate and re-attached to the test slide. After the barnacle re-attached, the adhesion was directly measured by a force displacement tester. Results are measured in psi. Also, coatings were evaluated with in-situ samples placed in test racks in Morro Bay, California. Concrete samples were be coated with foul-releasing coatings and submerged off the beach in Central California. Marine growth was monitored, and photos taken at monthly intervals, with the growths identified and quantified.

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