Patent ID: 7727353
Filing Date: 2010-06-01
Classification: A61F,B41M,C09D,G03G,Y10T

Abstract:
1. A method for making a disposable diaper comprising an ink-printed substrate web, the method comprising the steps of: providing a substrate web comprising a laminate of a polymeric film web and a synthetic nonwoven web, the nonwoven web having a surface facing toward the polymeric film web and an opposing outer surface; printing the substrate web with an ink composition to form an ink film on the outer surface of the nonwoven web; coating the ink film with a coating composition to form a coating film on the ink film and thereby sandwich the ink film between the coating film and the nonwoven web; curing the coating composition such that at least the ink composition forms a first ink composition cross-linked structure within the ink film and forms a first intercomposition cross-linked structure with the coating composition between the ink film and the coating film, or the coating composition forms a first coating composition cross-linked structure within the coating film and forms the first intercomposition cross-linked structure with the ink composition between the coating film and the ink film; providing an absorbent core such that the film web is disposed adjacent to the absorbent core and the nonwoven web is disposed opposite the absorbent core; joining a liquid permeable topsheet to the substrate web so as to sandwich the absorbent core between the topsheet and the film web and thereby form the diaper.