Controlled release granule with water resistant coating
A controlled release composition containing a water-active material in the form of granules having a protective barrier coating capable of releasing the water-active material under predetermined release conditions, wherein the protective barrier coating comprises a polymer blend of two latex polymer...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A controlled release composition containing a water-active material in the form of granules having a protective barrier coating capable of releasing the water-active material under predetermined release conditions, wherein the protective barrier coating comprises a polymer blend of two latex polymers, a method of preparing such a composition, a sprayable solution useful in the preparation of the composition, and the use of the composition for breaking a fracturing fluid. |
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