Stable dispersions containing trialkyltin fluorides

Details Stable dispersions containing trialkyltin fluorides Stable dispersions containing trialkyltin fluorides

C - Chemistry, Metallurgy

09

D

6/14.5

C09D 5/04 (2006.01) C09D 5/14 (2006.01) C09D 5/16 (2006.01)

Patent

CA 1115460

ABSTRACT The invention relates to stable thixotropic dispersions and paint compositions containing such dispersions. The dispersions are useful in anti- fouling coating compositions and paints and consist essentially of: a) from 40 to 70% by weight of a trialkyltin fluoride of the formula R3SnF wherein R is alkyl containing from 2 to 12 carbon atoms; b) from 20 to 60% by weight of at least one organic liquid having a kauri butanol value of 96 or less and selected from the group consisting of alcohols consisting from 4 to 12 carbon atoms, ali- phatic hydrocarbons containing from 5 to 12 carbon atoms, aromatic hydrocarbons; e) from 0.5 to 10% by weight of a compound selected from the group consisting of 1) the lithium and sodium salts of p-toluonesulfonic acid, phonylphosphonic acid and silicic acid, 2) nitric acid salts of calcium, magnesium, sodium, lithium, iron and zinc, 3) salts of p-toluenesulfonic or phenylphosphonic acid and an element selected from the group consisting of magnesium, cal- cium, strontium and barium, 4) the chlorides of metallic elements selected from Groups I-B, II-A, II-B, IV-A, IV-B, V-A, VI-B, VIII-B and VIII of the per- iodic table, and 5) carboxylic acid salts of lead, manganese(ous), zirconium, barium and strontium, wherein said carboxylic acid contains from 2 to 12 carbon atoms.

320730

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