公开(公告)号：US20220298264A1

公开(公告)日：2022-09-22

申请号：US17299986

申请日：2019-12-04

Applicant: Stora Enso OYJ

Inventor： Isto Heiskanen ,  Mari Hiltunen ,  Nina Ruohoniemi ,  Titta Lammi ,  Ville Ribu ,  Tim Lindfors ,  Jari Räsänen

IPC: C08B1/00 ,  B33Y10/00 ,  B33Y70/00 ,  B33Y80/00 ,  C08B31/00 ,  C08B30/10 ,  B29C64/118

Abstract: The present invention relates to a web of fibrous cellulosic material derived from wood pulp, said web being suitable for three-dimensional moulding to form a packaging product, wherein the web comprises >40 wt % of soft wood chemical pulp and at least one strength enhancement agent, wherein the web has a grammage less than 400 g/m2, and wherein the cellulose fibers of said soft wood chemical pulp comprise a fiber curl of >9%.

公开(公告)号：US12146007B2

公开(公告)日：2024-11-19

申请号：US17299986

申请日：2019-12-04

Applicant: Stora Enso OYJ

Inventor： Isto Heiskanen ,  Mari Hiltunen ,  Nina Ruohoniemi ,  Titta Lammi ,  Ville Ribu ,  Tim Lindfors ,  Jari Räsänen

IPC: C08B1/00 ,  B29C64/118 ,  B33Y10/00 ,  B33Y70/00 ,  B33Y80/00 ,  C08B30/10 ,  C08B31/00 ,  B29K1/00

Abstract: The present invention relates to a web of fibrous cellulosic material derived from wood pulp, said web being suitable for three-dimensional moulding to form a packaging product, wherein the web comprises >40 wt % of soft wood chemical pulp and at least one strength enhancement agent, wherein the web has a grammage less than 400 g/m2, and wherein the cellulose fibers of said soft wood chemical pulp comprise a fiber curl of >9%.