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A PROCESS FOR MICROENCAPSULATING A WATER-IMMISCIBLE SUBSTANCE AND ANTI-FOULING MARINE PAINT COMPOSITIONS PREPARED THEREWITH
A PROCESS FOR MICROENCAPSULATING A WATER-IMMISCIBLE SUBSTANCE AND ANTI-FOULING MARINE PAINT COMPOSITIONS PREPARED THEREWITH
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机译:微胶囊化一种不溶于水的物质和制备的防污海洋涂料组合物的方法
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摘要
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 DEG 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.
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