| 摘要 |
<p>A process to manufacture large coated detergent particles having perpendicular dimensions x, y and z, wherein x is from 0.2 to 2 mm, y is from 2.5 to 8mm, and z is from 2.5 to 8 mm the particles being substantially the same shape and size as one another and the uncoated core particles comprising at least 50 wt% of soluble surfactant, the process comprising the steps of suspending uncoated core particles in a fluidised bed and spraying onto the core particles an aqueous slurry of sodium carbonate in admixture with 0.6 to 3 wt% sodium carboxy methyl cellulose and drying to form the coated particles.</p> |
