公开(公告)号：US20220275585A1

公开(公告)日：2022-09-01

申请号：US17631489

申请日：2020-06-10

申请人： WestRock MWV, LLC

发明人： Chitai C. YANG ,  Rahul BHARDWAJ ,  Chester E. ALKIEWICZ

IPC分类号： D21J1/08 ,  D21H17/66 ,  D21H19/62 ,  D21H19/40 ,  D21H19/42

摘要： A paperboard structure including a paperboard substrate having a first major side and a second major side opposed from the first major side, and a coating layer on the first major side, the coating layer includes a polymer and talc, wherein the polymer includes at least one of poly(butylene succinate) and poly(butylene succinate-co-adipate).

公开(公告)号：US20220250366A1

公开(公告)日：2022-08-11

申请号：US17629390

申请日：2020-06-29

申请人： WestRock MWV, LLC

发明人： Rahul BHARDWAJ ,  Chitai C. YANG ,  Chester E. ALKIEWICZ ,  Matthew S. CAMERON

IPC分类号： B32B27/10 ,  B32B27/08 ,  B32B27/30 ,  B32B27/36

摘要： A laminate structure including a paperboard substrate and a sealable layer that forms a laminate outer surface. The sealable layer may include a blend of modified ethylene methyl acrylate and one or more polyethylenes.