公开(公告)号：US20230226799A1

公开(公告)日：2023-07-20

申请号：US18120653

申请日：2023-03-13

申请人： ARMSTRONG WORLD INDUSTRIES, INC.

发明人： James D. PAPE ,  Gourish SIRDESHPANDE ,  Joanne LEFEVER ,  Kimberly DIFFENBAUGH ,  Jere MYERS ,  John FELEGI, JR.

IPC分类号： B32B5/02 ,  B32B7/12 ,  B32B5/26 ,  E04C2/16 ,  E04C2/24 ,  E04C2/52 ,  B32B3/26 ,  E04C2/28 ,  E04C2/284 ,  E04B2/00 ,  E04B5/02

CPC分类号： B32B5/022 ,  B32B7/12 ,  B32B5/26 ,  E04C2/16 ,  E04C2/246 ,  E04C2/528 ,  B32B3/26 ,  B32B5/028 ,  E04C2/28 ,  E04C2/284 ,  E04C2/46 ,  E04C2/50 ,  E04C2/526 ,  B32B2305/20 ,  B32B37/12

摘要： Described herein is a stain and sag resistant acoustic building panel comprising a porous body formed from building material and latex binder, wherein the building material may include fibers and filler and at one of the building materials has been pre-treated with a charge-modifying component, thereby enhancing the sag-resistance of the building panel.