公开(公告)号：WO2022207508A1

公开(公告)日：2022-10-06

申请号：PCT/EP2022/057990

申请日：2022-03-25

申请人： BILLERUDKORSNÄS AB

发明人： SANDBERG, Lars ,  BOISSARD, Yselaure ,  YAMADA, Shoko

IPC分类号： D21H27/10 ,  D21H19/06 ,  D21J3/10 ,  B29D22/00 ,  B65D1/02 ,  B65D23/08 ,  B29D22/003 ,  B65D1/0207 ,  B65D23/02 ,  B65D23/0821

摘要： The present disclosure generally relates to a method for providing a non-uniform barrier coating on a hollow container (100) comprising molded pulp. The method comprises depositing a polymeric powder on the interior container surface in at least one predetermined portion (105a-d) of the hollow container and subsequently treating the container with heat or irradiation. The present disclosure also relates to a hollow container (100) comprising a non-uniform polymeric powder coating.

公开(公告)号：WO2022207507A1

公开(公告)日：2022-10-06

申请号：PCT/EP2022/057989

申请日：2022-03-25

申请人： BILLERUDKORSNÄS AB

发明人： SANDBERG, Lars ,  BOISSARD, Yselaure ,  YAMADA, Shoko ,  NYSTRÖM, Andreas ,  KARLSSON, Christopher T.

IPC分类号： D21H27/10 ,  D21H19/06 ,  B29D22/00 ,  B65D1/02 ,  B65D23/08 ,  D21J3/10 ,  B29D22/003 ,  B65D1/0207 ,  B65D23/0821

摘要： The present disclosure generally relates to a method for providing a barrier coating on a hollow container (100) comprising molded pulp. The method comprises providing a polymeric powder coating onto the interior surface (105a) and at least a portion of the exterior surface of the container (100) prior to curing and/or melting the powder coatings. The present disclosure also relates to a hollow container (100) formed by the method.