Coating processes – With post-treatment of coating or coating material – Heating or drying
Patent
1984-05-15
1986-06-24
Lawrence, Evan K.
Coating processes
With post-treatment of coating or coating material
Heating or drying
106 1505, 106 1832, 106 1835, 422 6, 428907, 523122, 526240, B05D 500, C09D 514
Patent
active
045967245
ABSTRACT:
The anti-fouling compositions and process described herein are capable of preventing or delaying for prolonged periods the fouling of structures such as boats, ships, piers, etc., having substantial portions thereof submerged in water. These compositions comprise a number of components, some of which may be coreacted, including: (a) an organic polymeric material having carboxylic acid groups therein which have been reacted with a trihydrocarbyl tin compound to produce ester derivative groups therein; (b) a hydrophilic component having poor water solubility, preferably being water insoluble, polyvinyl acetate and copolymers of vinyl chloride and vinyl acetate; (c) a hydrophobic component comprising a compound having 1-3 urethane groups therein and no more than about 20 carbon atoms preferably made by the reaction of an isocyanate compound, such as diisocyanate, with one or more hydroxy-containing solvents, such as ethanol, propanol, ethylene glycol monoethyl ether, etc., or a monoisocyanate with a di- or tri-hydroxy compound such as ethylene glycol, propylene glycol, glycerine, etc., preferably in the presence of low molecular weight ketones, esters and aromatic hydrocarbons, such as methyl ethyl ketone, cyclohexanone, toluene, etc. This composition is very effective as an anti-fouling paint for application as a coating to objects to be submerged in sea water.
REFERENCES:
patent: 3167473 (1965-01-01), Leebrick
patent: 3684752 (1972-08-01), Goto et al.
patent: 3979354 (1976-09-01), Dyckman et al.
patent: 4082709 (1978-04-01), Dyckman et al.
patent: 4270953 (1981-06-01), Nakagawa et al.
patent: 4497852 (1985-02-01), Lane et al.
Rosen et al., copending application Ser. No. 640,972, filed 8/15/84.
Lane Thomas
Rosen Murray
Lawrence Evan K.
Marine Shield Corp.
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