| 摘要 |
<p>The invention is a hard surface abrasive scouring cleanser having no significant syneresis, undue viscosity or yield stress increase, stably suspends abrasives, and has excellent rinsing characteristics. Furthermore, the present invention provides a stably suspended abrasive scouring cleanser which uses relatively small amounts of surfactants, thus lowering the total cost of producing these cleansers. The lesser amount of surfactant also affords the cleanser a milder feel and lower unaesthetic surfactant odor, while also requiring lower levels of fragrance. The absence of solvents results in a less irritating product as well. In one aspect the invention comprises, in aqueous solution: (a) a cross-linked polyacrylate; (b) at least one nonionic surfactant; (c) a pH adjusting agent; and (d) a calcium carbonate abrasive. In a further aspect the invention comprises, in aqueous solution: (a) a cross-linked polyacrylate thickener; (b) a mixed surfactant system which comprises one anionic surfactant and an amine oxide nonionic surfactant; (c) a pH adjusting agent; (d) a hydrotrope; and (e) a particulate abrasive.</p> |
