Antifouling marine paints containing microencapsulated...

Details Antifouling marine paints containing microencapsulated... Antifouling marine paints containing microencapsulated...

B - Operations, Transporting

01

J

400/1207, 6/13,

B01J 13/02 (2006.01) B01J 13/10 (2006.01) C08K 9/10 (2006.01) C09D 5/16 (2006.01)

Patent

CA 1134979

ABSTRACT OF THE DISCLOSURE A process for microencapsulating water-immiscible chemicals is disclosed which comprises mixing a colloidal solution of gelatin Type A and gum acacia with an emulsion or slurry of the water-immiscible chemical, both of which are prepared and mixed at a temperature above about 50°C., and allowing the mixture to cool so that the droplets or particles of water-immiscible chemical are encapsulated with a macromolecular membrane of a complex coacervate of gelatin and gum acacia. Anti-fouling marine paints capable of sustained release of anti-fouling agent are prepared by adding microcapsules of anti-fouling agents to a marine paint vehicle.

356907

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