Particulate detergent additive product, preparation and use...

Details Particulate detergent additive product, preparation and use... Particulate detergent additive product, preparation and use...

C - Chemistry, Metallurgy

11

D

134/3.1

C11D 1/825 (2006.01) C11D 1/722 (2006.01) C11D 3/39 (2006.01) C11D 3/395 (2006.01) C11D 17/00 (2006.01) C11D 17/06 (2006.01)

Patent

CA 2012995

ABSTRACT Stable, non-friable, non-dusty and fast-dissolving detergent additive containing bodies having a shape of substantially rounded particles of a size ranging from 100 to 2000 µm are disclosed, each body comprising a core particle comprising a solid particulate storage- sensitive detergent additive material and an organic binder material having a melting point from 25° to 80°C, which core particle is provided with an outer coating of an organic material having a melting point below that of the binder material and solubility in water at 40°C greater than 20% by weight, said bodies having a pore volume of not more than 0.25 cm3/gram and compression strength expressed as compression modulus greater than 0.5 x 106 N/m2. A process for preparing the bodies by a high shear energy mixing process in a high-speed mixer/ granulator. Preferred detergent additive materials are peroxyacids and a peroxyacid bleach precursor.

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