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公开(公告)号:SE544892C2
公开(公告)日:2022-12-20
申请号:SE2050422
申请日:2020-04-15
Applicant: STORA ENSO OYJ
Inventor: HEISKANEN ISTO , BACKFOLK KAJ , LYYTIKÄINEN KATJA
IPC: C08J5/18 , B32B29/02 , B82Y30/00 , C07G1/00 , C08L1/02 , C08L97/00 , D21F1/00 , D21F11/04 , D21H11/18 , D21H21/16 , 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) 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; wherein at least one of said first and second pulp suspension comprises lignin at a concentration in the range of 0.1-50 wt%, based on the total dry weight of the pulp suspension.
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公开(公告)号:SE2150737A1
公开(公告)日:2022-12-11
申请号:SE2150737
申请日:2021-06-10
Applicant: STORA ENSO OYJ
Inventor: HEISKANEN ISTO , BACKFOLK KAJ , LYYTIKÄINEN KATJA
Abstract: The present invention relates to a biobased barrier film for a paper or paperboard-based packaging material, said barrier film comprising: a substrate layer and a coating layer disposed on at least one surface of the substrate layer, wherein said substrate layer has a grammage in the range of 1-60 g/m2 and comprises at least 50 wt% of highly refined cellulose pulp based on the dry weight of the substrate layer, and wherein said coating layer has a grammage in the range of 1-15 g/m2 and comprises at least 50 wt% of a film forming modified starch and 0.1-10 wt% of a biobased lubricant, based on the dry weight of the coating layer.
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公开(公告)号:SE2150622A1
公开(公告)日:2022-11-18
申请号:SE2150622
申请日:2021-05-17
Applicant: STORA ENSO OYJ
Inventor: HEISKANEN ISTO , KANKKUNEN JUKKA
Abstract: The present invention relates to a multiply containerboard for use in corrugated board, said multiply containerboard comprising: a first outer ply, a second outer ply, and at least one intermediate ply sandwiched between the first and second outer ply, wherein said first and second outer ply comprise at least 70 wt% neutral sulfite semi chemical (NSSC) pulp based on dry weight, and wherein said intermediate ply comprises at least 30 wt% unbleached kraft pulp based on dry weight and at least one cellulose based strength enhancement agent, and wherein said intermediate ply comprises less than 30 wt% NSSC pulp based on dry weight.
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公开(公告)号:CA2962712C
公开(公告)日:2022-11-01
申请号:CA2962712
申请日:2015-09-30
Applicant: STORA ENSO OYJ
Inventor: HEISKANEN ISTO , BACKFOLK KAJ , GAIDELIS VALENTAS , SIDARAVICIUS JONAS
Abstract: The present invention relates to a process for purifying, such as salt/ion depletion, and/or ash reduction,and/or sulphur removal, and/or free sugar depletion,and/or VOC depletion or fractionating,preferably by using dewatering, of a slurry comprising a lignin or lignin derivative or a combination thereof. A lignin or lignin derivative obtainable from said process and uses thereof are also disclosed.
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公开(公告)号:ES2912312T3
公开(公告)日:2022-05-25
申请号:ES17827079
申请日:2017-07-03
Applicant: STORA ENSO OYJ
Inventor: BACKFOLK KAJ , HEISKANEN ISTO , SAUKKONEN ESA , LAMPAINEN SEPPO , SIITONEN SIMO , ANDERSSON MARIANNE
IPC: B65D81/26 , A23B7/14 , A23B7/157 , A23L3/34 , B01J20/02 , B01J20/24 , B01J20/26 , B01J20/28 , B01J20/32 , B01J23/40 , B65D65/42 , C08B15/08 , C08L1/02 , D21H11/18 , D21H27/10
Abstract: Un embalaje que comprende un material adecuado para su uso en embalajes que comprenden celulosa de tamaño nanométrico y un agente recolector de etileno y/o absorbente de etileno, en donde el agente absorbente de etileno o el agente absorbente de etileno está presente en forma de etiqueta en la que está dispuesto un recubrimiento superior y en donde el agente recolector de etileno y/o agente absorbente de etileno puede quedar expuesto por un aumento de la humedad que disuelve el recubrimiento protector o por eliminación del recubrimiento superior que cubre el agente recolector de etileno y/o el agente absorbente de etileno.
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公开(公告)号:BR112017028127B1
公开(公告)日:2022-04-19
申请号:BR112017028127
申请日:2016-06-21
Applicant: STORA ENSO OYJ
Inventor: ESA TAPIO SAUKKONEN , HEISKANEN ISTO , BACKFOLK KAJ , KATJA ELIISA LYYTIKÄINEN
Abstract: método de fabricação para uma película ou produto compreendendo um polímero anfifílico. a presente invenção se refere a um método para fabricação de uma película (um filme), em que referida película é fabricada em uma máquina de papel ou papelão, em que o método compreende a etapa de provisão de uma solução de um polissacarídeo nanofibrilado, em que referida solução compreende a partir de 0,01 % em peso até 50 % em peso de polissacarídeo nanofibrilado, e em que o polissacarídeo nanofibrilado é qualquer um de celulose microfibrilada, celulose nanofibrilada, whiskers de celulose e derivado de celulose ou uma combinação ou mistura das mesmas. em concordância com a presente invenção, o método adicionalmente compreende as etapas de provisão de um polímero anfifílico; e provisão de uma mistura de referido polímero anfifílico e referida solução compreendendo polissacarídeo nanofibrilado, por intermédio do que uma solução intermediária é obtida; concretização de referida solução intermediária em uma espuma; provisão de referida espuma na máquina de papel ou papelão
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公开(公告)号:SE544299C2
公开(公告)日:2022-03-29
申请号:SE1951556
申请日:2019-12-23
Applicant: STORA ENSO OYJ
Inventor: KNÖÖS ISABEL , HEISKANEN ISTO , NYLÉN OTTO
IPC: C08J5/18 , B32B7/06 , C09D5/20 , C09D101/02 , C09D191/00 , D21H11/18 , D21H23/28
Abstract: A method for making a cellulose film comprising microfibrillated cellulose (MFC) is provided, said method comprising the step of: applying an aqueous emulsion of one or more vegetable oils to a surface of a casting substrate. Improved release of the MFC film can thus be achieved.
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公开(公告)号:SE2051027A1
公开(公告)日:2022-03-02
申请号:SE2051027
申请日:2020-09-01
Applicant: STORA ENSO OYJ
Inventor: KAUPPI ANNA , HEISKANEN ISTO , KORVENNIEMI JUHA , KANKKUNEN JUKKA , BACKFOLK KAJ
Abstract: The present invention relates to a method for manufacturing a multilayer machine glazed paper comprising highly refined cellulose fibers, the method comprising the steps of: forming a first wet web by applying at least one first pulp suspension comprising highly refined cellulose fibers on a first wire; partially dewatering the first wet web to obtain a first partially dewatered web; forming a second wet web by applying at least one second pulp suspension comprising highly refined cellulose fibers on a second wire; partially dewatering the second wet web to obtain a second partially dewatered web; joining the first and second partially dewatered web to obtain a multilayer web; optional dewatering the multilayer web in a dewatering unit, and glazing the multilayer web in at least one glazing unit to obtain a multilayer machine glazed paper comprising highly refined cellulose fibers. The invention also relates to a multiply MG paper produced according to the method.
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公开(公告)号:SE544175C2
公开(公告)日:2022-02-22
申请号:SE2050753
申请日:2020-06-24
Applicant: STORA ENSO OYJ
Inventor: HEISKANEN ISTO , BACKFOLK KAJ , BÅDENLID RAIJA , HANSSON SUSANNE
Abstract: The present invention relates to a water-resistant paper or paperboard comprising a foam-formed cellulose-based ply, wherein said foam-formed cellulose-based ply has been subjected to grafting with a fatty acid halide to render the foam-formed cellulose-based ply water-resistant. The present invention further relates to a method for manufacturing the water-resistant paper or paperboard.
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公开(公告)号:SE544080C2
公开(公告)日:2021-12-14
申请号:SE2050524
申请日:2020-05-07
Applicant: STORA ENSO OYJ
Inventor: HEISKANEN ISTO , BACKFOLK KAJ , LYYTIKÄINEN KATJA
IPC: D21H19/34 , C08B11/00 , C23C14/14 , C23C16/06 , D21H11/16 , D21H19/06 , D21H19/08 , D21H19/52 , D21H23/56
Abstract: The present invention is directed to a coated paper substrate that is particularly suitable for metallization and other nano-coatings that provide barrier properties and are applied using vacuum deposition techniques. The invention is also directed to a process for preparing the coated paper substrate. The invention is also directed to a packaging material comprising the coated paper substrate.
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