公开(公告)号：EP2771387A4

公开(公告)日：2015-04-15

申请号：EP12843796

申请日：2012-10-25

Applicant: STORA ENSO OYJ

Inventor： HEISKANEN ISTO ,  AXRUP LARS ,  NORBORG MARI-ANN ,  KNÖÖS ISABEL

IPC: C08J3/215 ,  C08J3/03 ,  C08K13/04 ,  C08L1/02 ,  C09D101/02 ,  D21B1/12 ,  D21C9/00 ,  D21D1/20 ,  D21H11/18 ,  D21H15/02

CPC classification number: D21H19/34 ,  B82Y30/00 ,  C08J3/03 ,  C08J3/215 ,  C08J5/005 ,  C08J2301/02 ,  C08K3/22 ,  C08K3/34 ,  C08K3/346 ,  C08K3/36 ,  C08K7/18 ,  C08K2003/2241 ,  C08K2003/2248 ,  C08K2003/2265 ,  C08K2003/2286 ,  C08K2003/2296 ,  C08K2003/265 ,  C08L2205/16 ,  C09D101/02 ,  D21C9/00 ,  D21H11/18 ,  D21H15/02 ,  D21H17/25 ,  D21H19/40 ,  D21H21/16 ,  Y10T428/31982 ,  C08L1/02

公开(公告)号：ZA202002177B

公开(公告)日：2022-07-27

申请号：ZA202002177

申请日：2020-05-04

Applicant: STORA ENSO OYJ

Inventor： KNÖÖS ISABEL

Abstract: The present invention relates to a process for improving the strechability of films comprising high amounts of microfibrillated cellulose (MFC) without negatively impacting the oxygen barrier properties. According to the present invention, a film is formed from a suspension comprising microfibrillated cellulose having a broad size distribution.

公开(公告)号：SE1950802A1

公开(公告)日：2020-12-28

申请号：SE1950802

申请日：2019-06-27

Applicant: STORA ENSO OYJ

Inventor： NYFLÖTT ÅSA ,  BONNERUP CHRIS ,  KNÖÖS ISABEL

IPC: D21H19/08 ,  B32B15/12 ,  B32B27/10 ,  B32B29/00 ,  B82Y40/00 ,  C08J5/18 ,  D21H11/18

Abstract: The present invention relates to a gas barrier film for a paper or paperboard based packaging material, said gas barrier film comprising: a microfibrillated cellulose layer (MFC layer), at least one surface of which has been metallized; and a polymer dispersion coating layer disposed on at least one surface of the MFC layer. The present invention further relates to a paper or paperboard based packaging material, containers and carton blanks comprising the gas barrier film, and to a method for manufacturing the gas barrier film.

公开(公告)号：SE2150729A1

公开(公告)日：2022-12-10

申请号：SE2150729

申请日：2021-06-09

Applicant: STORA ENSO OYJ

Inventor： NYFLÖTT ÅSA ,  KARLSSON ANDERS ,  BONNERUP CHRIS ,  KNÖÖS ISABEL

IPC: C09D105/14 ,  B32B29/00 ,  C08J5/18 ,  C08L5/14 ,  D21H19/00

Abstract: The present invention relates to an aqueous barrier coating composition comprising: 20-80 % by weight of a dissolved first polysaccharide having a first degree of polymerization (DP1) of at least 150, based on the total solids content of the aqueous barrier coating composition; and 20-80 % by weight of a dissolved second polysaccharide having a second degree of polymerization (DP2) of 100 or less, based on the total solids content of the aqueous barrier coating composition; wherein the ratio of DP1:DP2 is at least 10:1; and wherein the aqueous barrier coating composition has a total solids content in the range of 10-90 % by weight.

公开(公告)号：SE543618C2

公开(公告)日：2021-04-20

申请号：SE1851444

申请日：2018-11-22

Applicant: STORA ENSO OYJ

Inventor： KNÖÖS ISABEL

IPC: B32B23/06 ,  B32B29/00 ,  C08B3/08 ,  D21H11/18 ,  D21H17/03 ,  D21H21/16

Abstract: The present invention relates to a gas barrier film for a paper or paperboard based packaging material, said gas barrier film comprising: a microfibrillated cellulose layer (MFC layer), at least one surface of which has been grafted with a fatty acid halide; and a polymer layer disposed on the at least one surface of the MFC layer which has been grafted with a fatty acid halide. The present invention further relates to a paper or paperboard based packaging material, containers and carton blanks comprising the gas barrier film, and to a method for manufacturing the gas barrier film.

公开(公告)号：SE1851444A1

公开(公告)日：2020-05-23

申请号：SE1851444

申请日：2018-11-22

Applicant: STORA ENSO OYJ

Inventor： KNÖÖS ISABEL

Abstract: The present invention relates to a gas barrier film for a paper or paperboard based packaging material, said gas barrier film comprising: a microfibrillated cellulose layer (MFC layer), at least one surface of which has been grafted with a fatty acid halide; and a polymer layer disposed on the at least one surface of the MFC layer which has been grafted with a fatty acid halide. The present invention further relates to a paper or paperboard based packaging material, containers and carton blanks comprising the gas barrier film, and to a method for manufacturing the gas barrier film.

公开(公告)号：SE541631C2

公开(公告)日：2019-11-19

申请号：SE1850252

申请日：2018-03-08

Applicant: STORA ENSO OYJ

Inventor： SVENSSON ADRIANNA ,  BRANDÉN CARL-MAGNUS ,  LAND HENSDAL CECILIA ,  KNÖÖS ISABEL

IPC: D21H11/18 ,  C08B15/02 ,  C08B15/10 ,  C08J5/18 ,  C08L1/02

Abstract: The present invention relates to a method for manufacturing at least one layer of a film wherein the method comprises the steps of:providing a first suspension comprising dialdehyde cellulose fibers with a first degree of oxidation;providing at least a second suspension comprising dialdehyde cellulose fibers with a second degree of oxidation which is lower than said first degree of oxidation;mixing the first suspension with the second suspension to form a mixture;mechanically treating the cellulose fibers in said mixture to microfibrillated dialdehyde cellulose;applying said mixture to a substrate to form a fibrous web; and drying said web to form at least one layer of said film.

公开(公告)号：SE2330419A1

公开(公告)日：2025-03-29

申请号：SE2330419

申请日：2023-09-28

Applicant: STORA ENSO OYJ

Inventor： NYFLÖTT ÅSA ,  KNÖÖS ISABEL

IPC: D21H19/28 ,  B32B29/06 ,  C09D167/04 ,  D21H17/53 ,  D21H19/62

Abstract: The present invention relates to a method for manufacturing a PHA (polyhydroxyalkanoate) coated fiber-based substrate, said method comprising the steps: a) providing a fiber-based substrate having a first main surface and a second 5 main surface and having a moisture content in the range of 4-10 wt%; b) forming a first PHA layer by applying a first aqueous coating composition comprising a first PHA having a melting point in the range of 120-180 °C on the first main surface and drying the first aqueous coating composition at a first drying temperature in the range of 90-130 °C and at least 20 °C below the melting point 10 of the first PHA.

公开(公告)号：SE542944C2

公开(公告)日：2020-09-22

申请号：SE1851113

申请日：2018-09-19

Applicant: STORA ENSO OYJ

Inventor： LAND HENSDAL CECILIA ,  KNÖÖS ISABEL

IPC: C08B15/02 ,  B82Y30/00 ,  C08B15/10 ,  C08J5/18 ,  C08L1/02 ,  C09D101/00 ,  D21H11/18

Abstract: The present invention relates to a a method for manufacturing at least one layer of a film characterized by that the method comprises the steps of:providing a first suspension comprising microfibrillated cellulose, providing a second suspension comprising microfibrillated dialdehyde cellulose,mixing the first suspension with the second suspension to form a mixture, in which mixture less than 5% of the anhydroglucose units (AGU) of the total cellulose present therein comprise a dialdehyde,applying said mixture to a substrate to form a fibrous web, and drying said web to form at least one layer of said film.The present invention further relates to a film comprising said at least one layer of film.

公开(公告)号：SE1851216A1

公开(公告)日：2020-04-09

申请号：SE1851216

申请日：2018-10-08

Applicant: STORA ENSO OYJ

Inventor： KNÖÖS ISABEL

IPC: C08J5/18 ,  B29D7/01 ,  B32B27/10 ,  B32B29/00 ,  B65D65/40 ,  C08L1/08 ,  D21H11/18 ,  D21H17/67

Abstract: The present invention relates to a method for manufacturing at least one fibrous barrier layer wherein the method comprises the steps of: providing a first suspension comprising dialdehyde polysaccharide, mixing the first suspension with at least one inorganic pigment to form a mixture, applying said mixture to a substrate to form a wet fibrous web and drying said wet web on said substrate to form a fibrous barrier layer.It also relates to a fibrous barrier layer comprising dialdehyde polysaccharide and at least one inorganic pigment.