公开(公告)号：US10822746B2

公开(公告)日：2020-11-03

申请号：US16090848

申请日：2017-04-26

申请人： E I DU PONT DE NEMOURS AND COMPANY

发明人： Zhang Honggui ,  Donald Douglas May

IPC分类号： D21H27/20 ,  D21H19/56 ,  D21H19/58 ,  D21H19/82 ,  D21H19/40 ,  D21H19/84

摘要： Disclosed herein is a wallpaper, including: (a) a paper substrate including a paper layer and an ink decorative layer attached to an upper surface of the paper layer that faces away from the wall during use; (b) a fluorine-containing coating attached to a surface of the ink decorative layer; and (c) a supporting layer attached to a lower surface of the paper substrate, in which the supporting layer comprises 25 to 45 wt % of polyacrylate, 25 to 40 wt % of a styrene-acrylic acid copolymer and 10 to 50 wt % of inorganic particles based on the total weight of the supporting layer, wherein the inorganic particles are selected from the group consisting of silicon dioxide, titanium dioxide, calcium carbonate, kaolin clay, diatomite and talc powder, and a combination of two or more thereof.