Long-term evenly surfactant-dispensing cleanser - contg. surfactant embedded in open pore polymer foam, open-structure support, and opt. abrasive layer

摘要

Tenside-contg. cleanser contains a polyurethane foam having open, mainly spherical pores and reversibly swelling to a gel on adding water. 10-500 wt.%, w.r.t. polyurethane foam wt., of tenside or tenside mixt. is embedded in foam polymer matrix. The tenside-contg. polyurethane foam contains an open-structured support-body which is entirely or partly penetrated by the foam. The cleanser can be sandwich-like bonded on one or both sides with an open-pores material contg. abrasive and/or polishing material. The cleanser is esp. a domestic cleaning 1- or multi-layer pad and has a long-term storage activity. Tenside supply is controlled.