公开(公告)号：SE2050594A1

公开(公告)日：2021-11-21

申请号：SE2050594

申请日：2020-05-20

Applicant: STORA ENSO OYJ

Inventor： HEISKANEN ISTO ,  BACKFOLK KAJ ,  LYYTIKÄINEN KATJA

IPC: D21H21/56 ,  D21H11/18 ,  D21H17/20 ,  D21H19/00

Abstract: The present invention relates to a method for manufacturing a polymer coated cellulose based substrate useful as a barrier film, said method comprising the steps of: a) providing a cellulose based substrate comprising 50-99 wt% highly refined cellulose fibers based on the total dry weight of the cellulose based substrate; b) preparing an aqueous foam from an aqueous solution of a foam forming polymer; c) applying the aqueous foam to at least one surface of the cellulose based substrate; and d) collapsing the aqueous foam to form a polymer coating on the cellulose based substrate.

公开(公告)号：PL3532675T3

公开(公告)日：2021-11-08

申请号：PL17809007

申请日：2017-10-27

Applicant: STORA ENSO OYJ

Inventor： BACKFOLK KAJ ,  HEISKANEN ISTO ,  SAUKKONEN ESA

IPC: D21H21/24

公开(公告)号：SE2050425A1

公开(公告)日：2021-10-16

申请号：SE2050425

申请日：2020-04-15

Applicant: STORA ENSO OYJ

Inventor： KAUPPI ANNA ,  HEISKANEN ISTO ,  KANKKUNEN JUKKA ,  BACKFOLK KAJ ,  LYYTIKÄINEN KATJA

IPC: C08J5/18 ,  B32B29/02 ,  B82Y30/00 ,  C08L1/02 ,  D21F1/00 ,  D21F11/04 ,  D21H11/18 ,  D21H21/56 ,  D21H27/30

Abstract: The present invention relates to a method for manufacturing a multilayer film comprising highly refined cellulose fibers, the method comprising the steps of: a) forming a first wet web by applying a first pulp suspension comprising highly refined cellulose fibers on a first wire;b) partially dewatering the first wet web to obtain a first partially dewatered web; c) forming a second wet web by applying a foamed second pulp suspension comprising highly refined cellulose fibers and a foaming agent on a second wire; d) partially dewatering the foamed second wet web to obtain a second partially dewatered web;e) joining the first and second partially dewatered web to obtain a multilayer web; andf) further dewatering, and optionally drying, the multilayer web to obtain a multilayer film comprising highly refined cellulose fibers.

公开(公告)号：SE2050423A1

公开(公告)日：2021-10-16

申请号：SE2050423

申请日：2020-04-15

Applicant: STORA ENSO OYJ

Inventor： HEISKANEN ISTO ,  KANKKUNEN JUKKA ,  BACKFOLK KAJ ,  LYYTIKÄINEN KATJA

IPC: C08J5/18 ,  B32B29/02 ,  B82Y30/00 ,  C08L1/02 ,  C09J101/02 ,  C09J197/00 ,  D21F1/00 ,  D21F11/04 ,  D21H11/18 ,  D21H27/30

Abstract: The present invention relates to a method for manufacturing a multilayer film comprising highly refined cellulose fibers, the method comprising the steps of: a) forming a first wet web by applying a first pulp suspension comprising highly refined cellulose fibers on a first wire;b) partially dewatering the first wet web to obtain a first partially dewatered web; c) forming a second wet web by applying a second pulp suspension comprising highly refined cellulose fibers on a second wire;d) partially dewatering the second wet web to obtain a second partially dewatered web;e) applying a binder between the first and second partially dewatered web and joining the first and second partially dewatered web to obtain a multilayer web; and f) further dewatering, and optionally drying, the multilayer web to obtain a multilayer film comprising highly refined cellulose fibers.

公开(公告)号：UA124525C2

公开(公告)日：2021-10-05

申请号：UAA201801127

申请日：2016-06-29

Applicant: STORA ENSO OYJ

Inventor： HEISKANEN ISTO ,  RÄSÄNEN JARI

公开(公告)号：SE543624C2

公开(公告)日：2021-04-20

申请号：SE1951179

申请日：2019-10-17

Applicant: STORA ENSO OYJ

Inventor： CUNHA GISELA ,  HEISKANEN ISTO ,  BACKFOLK KAJ ,  LYYTIKÄINEN KATJA ,  NYLEN OTTO

IPC: C08J5/18 ,  C08L1/02 ,  C08L1/16 ,  D21H11/18 ,  D21H11/20

Abstract: The present invention relates to a microfibrillated cellulose (MFC) composition for preparation of transparent or translucent films or coatings, said composition comprising MFC at a concentration in the range of 50-99.9 wt%, and phosphorylated cellulose fibers at a concentration in the range of 0.1-50 wt%, based on the total dry weight of the MFC composition. The invention further relates to an MFC film and a multilayer material comprising the MFC composition.

公开(公告)号：SE1951179A1

公开(公告)日：2021-04-18

申请号：SE1951179

申请日：2019-10-17

Applicant: STORA ENSO OYJ

Inventor： CUNHA GISELA ,  HEISKANEN ISTO ,  BACKFOLK KAJ ,  LYYTIKÄINEN KATJA ,  NYLEN OTTO

IPC: C08J5/18 ,  C08L1/02 ,  C08L1/16 ,  D21H11/18 ,  D21H11/20

Abstract: The present invention relates to a microfibrillated cellulose (MFC) composition for preparation of transparent or translucent films or coatings, said composition comprising MFC at a concentration in the range of 50-99.9 wt%, and phosphorylated cellulose fibers at a concentration in the range of 0.1-50 wt%, based on the total dry weight of the MFC composition. The invention further relates to an MFC film and a multilayer material comprising the MFC composition.

公开(公告)号：CA2890319C

公开(公告)日：2020-10-20

申请号：CA2890319

申请日：2013-11-06

Applicant: STORA ENSO OYJ ,  WETEND TECH LTD

Inventor： IMPPOLA OLAVI ,  MATULA JOUNI ,  MATULA JUSSI ,  TAHKOLA KARRI ,  HEISKANEN ISTO ,  VAKEVAINEN MATTI ,  RASANEN JARI

IPC: D21H17/70 ,  D21H11/18 ,  D21H17/25 ,  D21H17/67

Abstract: An in-line production method for providing a liquid flow of at least one additive in the short circulation and into the liquid flow of a paper making stock of a fiber web machine by feeding, the liquid flow of the at least one additive to the liquid flow of the short circulation, wherein a suitable amount of a microfibrillated cellulose or nanofibrillated polysaccharide is provided substantially simultaneously with the feeding of liquid flow of the at least one additive.

公开(公告)号：SE543003C2

公开(公告)日：2020-09-22

申请号：SE1851645

申请日：2018-12-21

Applicant: STORA ENSO OYJ

Inventor： CUNHA GISELA ,  HEISKANEN ISTO ,  BACKFOLK KAJ ,  LYYTIKÄINEN KATJA

IPC: C08J5/18 ,  B32B29/00 ,  B82Y30/00 ,  D21H11/18 ,  D21H17/66 ,  D21H19/10

Abstract: Methods are provided for preparing a surface-treated fibrous material comprising phosphorylated nanocellulose, in which a fibrous material is surface treated with a solution comprising at least one multivalent metal ion followed by drying and post-curing of the fibrous material to improve the Oxygen Transmission Rate of the surface-treated fibrous material.

公开(公告)号：SE542997C2

公开(公告)日：2020-09-22

申请号：SE1850499

申请日：2018-04-25

Applicant: STORA ENSO OYJ

Inventor： SAUKKONEN ESA ,  HEISKANEN ISTO ,  BACKFOLK KAJ

IPC: C09J103/02 ,  B32B29/08 ,  C08L1/00 ,  C08L3/02 ,  C09J101/00

Abstract: The present invention relates a method for the production of an adhesive wherein said method comprise the following steps: providing a suspension comprising starch, swelling the starch by alkali or temperature treatment or by cooking the starch suspension to form a starch suspension, providing a suspension comprising microfibrillated cellulose which suspension has a solid content above 10%-by weight, adding the suspension comprising microfibrillated cellulose to the suspension comprising starch either before or during the swelling or the cooking of the starch or to the formed starch suspension to produce the adhesive. The invention further relates to a corrugated board and an adhesive.