Patent ID: 8980057
Filing Date: 2015-03-17
Classification: D21H,Y10T

Abstract:
1. A fibrous structure, the fibrous structure being a paper product treated with a waterborne shape memory polymer comprising structural units, wherein each structural unit comprises: a) a switching segment comprising a semicrystalline or amorphous polymer; b) a chargeable unit comprising a cationically or anionically chargeable group; and c) a cross-linkable unit comprising a monomer, wherein said cross-linkable unit connects said switchable segment to said chargeable unit, wherein said waterborne shape memory polymer is dispersible in water, and wherein said fibrous structure is an absorbent tissue-towel paper product, said tissue towel paper product being treated with about 0.1 to about 15% by weight of dry fibers of said shape memory polymer to have temporary three-dimensional structure.