| 摘要 |
<p>The invention pertains to liquid scouring compositions comprising by weight of the total composition, from 1 to 65% of a particulate abrasive material, and from 35 to 99% of an aqueous liquid suspending medium, which comprises, by weight of the medium:
<UnorderedLists id="ula01" listStyle="none"><ListItem>a) from 3 to 15% of a synthetic anionic detergent-active material;</ListItem><ListItem>b) from 1 to 12% of a zwitterionic and/or alkoxylated nonionic detergent-active material;</ListItem><ListItem>c) a foam-regulating system comprising:
<UnorderedLists id="ula02" listStyle="none"><ListItem>1. from 0.5 to 7% of tripolyphosphate electrolyte; and</ListItem><ListItem>2. from 0.05 to 8% of a Ca<Sup>2+</Sup>-dependent foam-depressing agent;</ListItem></UnorderedLists>
the weight ratio between component (1) and component (2) being within the range of from 1:1 to 8:1; and</ListItem><ListItem>d) optionally, up to 20% by weight of further electrolytes.</ListItem></UnorderedLists></p><p>Compositions according to the invention show good physical and chemical stability and improved foam/rinse properties.</p> |
