Granular detergent builder

Details Granular detergent builder Granular detergent builder

C - Chemistry, Metallurgy

11

D

C11D 3/08 (2006.01) C11D 3/10 (2006.01) C11D 3/12 (2006.01)

Patent

CA 2180926

The invention relates to a granular detergent builder in the form of cogranules of a mixture of sodium bicarbonate and crystalline sheet silicates of the formula NaMSixO2x+1 yH2O, where M is sodium or hydrogen, x is a number from 1.9 to 4, and y is a number from 0 to 20, wherein the granular detergent builder a) contains 5 to 50% by weight of crystalline sheet silicate and 50 to 95% by weight of sodium bicarbonate; b) has a pH of 10 in 1% strength solution in distilled water; c) has a calcium-binding capacity of 150 mg Ca/g (30° German hardness) and a magnesium-binding capacity of 4 mg Mg/g (3° German hardness), and d) has an apparent density of 850 g/l. The invention likewise relates to a process for the production of such a granular detergent builder, and to its use in detergents and cleaners.

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