公开(公告)号：US20210252824A1

公开(公告)日：2021-08-19

申请号：US16973665

申请日：2019-06-19

申请人： DOMTAR PAPER COMPANY, LLC

发明人： Mark HOFF ,  Charles F. SCHROER ,  Paul KENYON ,  Murray ROSS ,  Brian SPAIN

IPC分类号： B32B3/20 ,  F25D3/08 ,  B32B27/10 ,  B32B27/12 ,  B32B29/00 ,  B32B29/02 ,  B32B5/02 ,  B32B5/26 ,  B32B3/04

摘要： This disclosure includes ice packs (10) that comprise paper and absorbent material (22A, 22), and also includes various methods of adding liquid to, freezing, shipping, and/or using such ice packs (10). Some of the ice packs (10) of this disclosure have a body (14) that includes first and second layers (54, 58) of paper and one or more side panels (66A) coupled thereto such that the body (14) is expandable. The absorbent material (22A, 22) of some of the ice packs (10) of this disclosure comprises a laminate having an inner layer (70A, 70B, 70C, 70) of superabsorbent polymer disposed between first and second outer layers (78), where the first outer layer (74) comprises tissue and the second outer layer (78) comprises at least one of a tissue and a carded nonwoven.