laminado com comportamento aperfeiçoado de retenção de água

摘要

The invention relates to a laminate that has at least two layers, in which at least one layer of the laminate is a water-soluble polymer film containing active substances (="water-soluble polymer film containing active substances"), the polymer forming the film is a water-soluble polymer, and at least one second layer of the laminate is a nonwoven fabric, knitted fabric, woven fabric or a foam film (="water retention layer") consisting of a water-soluble polymer. The water-soluble polymers of the two layers are identical or different. The invention further relates to the production of such a laminate and to the use thereof.