公开(公告)号：SE542217C2

公开(公告)日：2020-03-17

申请号：SE1850414

申请日：2018-04-12

Applicant: STORA ENSO OYJ

Inventor： VEITOLA ANTTI ,  HEISKANEN ISTO ,  KANKKUNEN JUKKA ,  BACKFOLK KAJ

IPC: D21H19/00 ,  B32B29/02 ,  C08J5/18 ,  D21C9/18 ,  D21F5/00 ,  D21H11/18 ,  D21H19/34 ,  D21H23/26

Abstract: The present invention relates to a method for the production of a coated paper, paperboard or film, wherein the method comprises the steps of; providing a first suspension comprising cellulose fibers and/or nanocellulose, applying the first suspension on a substrate to form a fibrous web, wherein the web has a first and a second side, providing a second suspension comprising polymers and/or particles wherein the second suspension has a Brookfield viscosity above 3000m Pas at a dry content between 4%-40% by weight, providing at least one calender comprising at least one roll or belt, applying the second suspension to the surface of the at least one calender roll or belt forming a coating web and conducting said fibrous web through the at least one calender whereby the coating web is applied to the first side of the web forming the coated paper, paperboard or film. The invention also relates to a paper, paperboard or film produced according to the method.

公开(公告)号：PH12018502034A1

公开(公告)日：2019-07-15

申请号：PH12018502034

申请日：2018-09-21

Applicant: STORA ENSO OYJ

Inventor： HEISKANEN ISTO ,  LAMPAINEN SEPPO ,  KANKKUNEN JUKKA

IPC: D21H21/18 ,  B32B29/08 ,  D21H11/18 ,  D21H17/25 ,  D21H21/16 ,  D21H27/10 ,  D21H27/38 ,  D21H27/40

Abstract: A corrugated fiberboard comprising cellulosic fibers, wherein said corrugated fiberboard has at least one of a geometrical tensile index in the range of from 32 to 65 Nm/g, a fracture toughness index in the range of from 4 to 24 Jm/kg, and a ring crush index in the range of from 5 to 10 Nm/g5 measured at relative humidity of 85 pcnt RH; wherein the cellulosic fibers comprises a mixture of less refined fibers having a Schopper-Riegler (SR) value in the range of 15 to 28 and microfibrillated cellulose fibers, wherein mixture comprises said microfibrillated cellulose in a range of from 1 pcnt to 5 pcnt by weight of the dry content of the cellulosic fibers.

公开(公告)号：CA3041960A1

公开(公告)日：2018-05-11

申请号：CA3041960

申请日：2017-10-31

Applicant: STORA ENSO OYJ

Inventor： HEISKANEN ISTO ,  LAMPAINEN SEPPO ,  BACKFOLK KAJ ,  SAUKKONEN ESA ,  KANKKUNEN JUKKA ,  AULIN CHRISTIAN ,  ODEBERG GLASENAPP ASTRID

IPC: C09J103/00 ,  B32B3/28 ,  B32B29/08 ,  C08L1/02 ,  C08L3/00 ,  C09J101/00 ,  D21C9/00 ,  D21H11/18

Abstract: The present invention relates to a corrugated board comprising an adhesive arranged to attach a fluted corrugated medium to a liner wherein the adhesive comprises starch and microfibrillated cellulose. The invention also relates to a method to produce said corrugated board.

公开(公告)号：CA3016377A1

公开(公告)日：2017-09-28

申请号：CA3016377

申请日：2017-03-21

Applicant: STORA ENSO OYJ

Inventor： HEISKANEN ISTO ,  LAMPAINEN SEPPO ,  KANKKUNEN JUKKA

IPC: D21H27/40 ,  B32B29/08 ,  D21H11/18 ,  D21H17/25 ,  D21H21/16 ,  D21H21/18 ,  D21H27/10 ,  D21H27/38

Abstract: A corrugated fiberboard comprising cellulosic fibers, wherein said corrugated fiberboard has at least one of a geometrical tensile index in the range of from 32 to 65 Nm/g, a fracture toughness index in the range of from 4 to 24 Jm/kg, and a ring crush index in the range of from 5 to 10 Nm/g5 measured at relative humidity of 85% RH; wherein the cellulosic fibers comprises a mixture of less refined fibers having a Schopper-Riegler (SR) value in the range of 15 to 28 and microfibrillated cellulose fibers, wherein mixture comprises said microfibrillated cellulose in a range of from 1% to 5% by weight of the dry content of the cellulosic fibers.

公开(公告)号：SE545733C2

公开(公告)日：2023-12-27

申请号：SE2051028

申请日：2020-09-01

Applicant: STORA ENSO OYJ

Inventor： KAUPPI ANNA ,  HEISKANEN ISTO ,  KORVENNIEMI JUHA ,  KANKKUNEN JUKKA ,  BACKFOLK KAJ

IPC: D21H25/04 ,  D21H11/18 ,  D21H27/00

Abstract: The present invention relates to a method for producing a machine glazed paper comprising microfibrillated cellulose, wherein the method comprises the steps of: providing a suspension comprising between 0.1 wt-% to 50 wt-% of microfibrillated cellulose based on total dry weight, forming a fibrous web of said suspension on a wire wherein said web has a dry content of 1-25% by weight, dewatering the fibrous web in at least one dewatering unit, glazing at least one side of the dewatered fibrous web in a glazing unit to form the machine glazed paper. The invention further relates to a MG paper produced according to the method.

公开(公告)号：SE2150272A1

公开(公告)日：2022-09-11

申请号：SE2150272

申请日：2021-03-10

Applicant: STORA ENSO OYJ

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

IPC: D21H11/18 ,  B32B29/00 ,  C08J5/18 ,  C09D101/02 ,  D21F1/66 ,  D21H23/28

Abstract: The present invention relates to a method for manufacturing a barrier film comprising highly refined cellulose, said method comprising:a) providing a highly refined cellulose pulp suspension comprising highly refined cellulose pulp having a Schopper-Riegler (SR) number in the range of 40-98 as determined by standard ISO 5267-1, at a consistency in the range of 0.1-1.5 wt%; b) forming a web of the highly refined cellulose pulp suspension and dewatering the web in a paper machine former to a consistency of at least 5 wt% to obtain a substrate web, wherein the white water removed from the pulp contains 2-50 wt%, preferably 5-40 wt% and more preferably at least 10-30 wt% of the solids of the highly refined cellulose pulp suspension provided in step a);c) optionally further dewatering and optionally drying the substrate web;d) coating the optionally further dewatered and optionally dried substrate web with a coating suspension comprising cellulose fines or MFC to obtain a coated web; ande) dewatering and/or drying the coated web to obtain a barrier film comprising highly refined cellulose.

公开(公告)号：CA3081813C

公开(公告)日：2022-08-16

申请号：CA3081813

申请日：2018-12-19

Applicant: STORA ENSO OYJ

Inventor： BACKFOLK KAJ ,  HEISKANEN ISTO ,  SAUKKONEN ESA ,  KANKKUNEN JUKKA

IPC: B32B27/12 ,  B29C65/02 ,  B32B27/08 ,  B32B27/32 ,  C08J5/18 ,  D21H11/18

Abstract: The present invention is directed to a packaging material free from aluminium in the form of a continuous foil or film, comprising a layer of microfibrillated cellulose (MFC), wherein the layer comprising MFC has been laminated or coated on at least one side with a heat-sealable material. The MFC layer contains at least 60% by weight of microfibrillated cellulose. The present invention is also directed to a method for induction sealing, wherein a packaging material to be heat-sealed by induction is placed against an induction heating surface.

公开(公告)号：CA3205025A1

公开(公告)日：2022-06-30

申请号：CA3205025

申请日：2021-12-14

Applicant: STORA ENSO OYJ

Inventor： BACKFOLK KAJ ,  HEISKANEN ISTO ,  KANKKUNEN JUKKA ,  NYBERG ZETTERLUND ANNA

IPC: D21H11/18 ,  B32B7/12 ,  B32B9/06 ,  B32B27/10 ,  B32B37/12 ,  C08J5/18 ,  C09J5/04 ,  C09J123/04 ,  C09J125/04 ,  C09J127/06 ,  C09J131/04 ,  C09J133/04 ,  D21H27/30 ,  D21H27/32 ,  D21H27/34

Abstract: The present invention relates to packaging materials in the form of laminates comprising a paper or paperboard substrate and a barrier film. The barrier film is based on microfibrillated cellulose. The laminate comprises a paper or paperboard substrate, wherein the substrate is in contact with a first adhesive layer, which is in contact with a second adhesive layer, which is in contact with the barrier film. The present invention also relates to methods for manufacturing such laminates.

公开(公告)号：SE2051348A1

公开(公告)日：2022-05-19

申请号：SE2051348

申请日：2020-11-18

Applicant: STORA ENSO OYJ

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

IPC: D21H19/08 ,  B32B7/02 ,  B32B15/04 ,  B32B15/20 ,  B32B29/00 ,  C08J5/18

Abstract: The present invention relates to a barrier film for a paper or paperboard-based packaging material, said barrier film comprising: a substrate; a vacuum coating layer having a thickness in the range of 1-500 nm disposed on the substrate; and a protective coating layer comprising a crossl inked water-soluble polymer disposed on the vacuum coating layer. The present invention further relates to a paper or paperboard based packaging material and containers comprising the barrier film, and to a method for manufacturing the barrier film.

公开(公告)号：ES2905449T3

公开(公告)日：2022-04-08

申请号：ES17788916

申请日：2017-04-26

Applicant: STORA ENSO OYJ

Inventor： BACKFOLK KAJ ,  HEISKANEN ISTO ,  SAUKKONEN ESA ,  KANKKUNEN JUKKA

IPC: D21H19/10

Abstract: Una película termosellable que es compostable de acuerdo con la norma ISO 18606, que comprende una película base que tiene un gramaje de 5-50 gsm y un grosor de 10-100 μm, que ha sido recubierta en al menos un lado con un recubrimiento en forma de barniz al agua, resina o una cera que mejora las propiedades de barrera contra gases y/o humedad, en donde la película base comprende un material de fibra y al menos el 60 % en peso de dicho material de fibra es celulosa microfibrilada con al menos una dimensión inferior a 100 nm, y el grosor del recubrimiento es de 0,05 a 20 μm, por lado de la película base.