abstract |
The present invention relates to a colorant catcher material, comprising a) a substrate, b) a colorant-catching additive selected from the group consisting of polyvinylamines in form of homopolymers, copolymers and/or partial salts thereof, polyethylenimines in form of homopolymers, copolymers and/or partial salts thereof, and mixture thereof, which is fixed on the substrate by c) a fixing agent selected from the group consisting of dialdehydes with the carbon number of from 2 to 8, to a method for preparation thereof and use of the same for catching colorants or removing dirt in an aqueous medium, particularly a laundry washing solution. |