| 摘要 |
<p>The present invention provides a free-flowing powder having a bulk density of at least 600 g/l comprising: (a) from 20 % to 95 % by weight (on anhydrous basis) of a detergent ingredient selected from the group consisting of aluminosilicate, citrate, silica, carbonate, bicarbonate, silicate, sulphate, phosphate, water-soluble polymer and mixtures thereof; and (b) from 5 % to 50 % by weight of a copolymer of N-vinylpyrrolidone and N-vinylimidazole. A process for making the free-flowing granules is also provided.</p> |
