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公开(公告)号：WO2014072914A1
公开(公告)日：2014-05-15
申请号：PCT/IB2013/059946
申请日：2013-11-06
Applicant: STORA ENSO OYJ , WETEND TECHNOLOGIES LTD
Inventor： IMPPOLA, Olavi , MATULA, Jouni , MATULA, Jussi , TAHKOLA, Karri , HEISKANEN, Isto , VÄKEVÄINEN, Matti , RÄSÄNEN, Jari
CPC classification number: D21H17/74 , D21H11/18 , D21H17/25 , D21H17/28 , D21H17/67 , D21H17/675 , D21H17/70
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.
Abstract translation: 一种线内生产方法，用于通过将所述至少一种添加剂的液体流供给到液体中来提供在短循环中的至少一种添加剂的液体流动并进入纤维网机器的造纸原料的液体流中 短循环的流动，其中与所述至少一种添加剂的液体流的供给基本上同时提供适量的微纤化纤维素或纳米纤维化多糖。
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公开(公告)号：WO2014072912A1
公开(公告)日：2014-05-15
申请号：PCT/IB2013/059944
申请日：2013-11-06
Applicant: STORA ENSO OYJ , WETEND TECHNOLOGIES LTD
Inventor： IMPPOLA, Olavi , MATULA, Jouni , MATULA, Jussi , TAHKOLA, Karri , HEISKANEN, Isto , VÄKEVÄINEN, Matti , RÄSÄNEN, Jari
CPC classification number: D21H17/675 , D21H11/18 , D21H17/25 , D21H17/67 , D21H17/70
Abstract: A ply for a paper and paperboard made from a ply substrate material, wherein the ply comprises a hybrid material, in an amount of 1-25 wt-% of the ply, wherein the hybrid material is introduced into a target suspension of the short circulation of a fibrous web forming process of a fibrous web machine, in an in-line process, wherein said target suspension forms the ply substrate material, and the hybrid material comprises an alkaline earth carbonate precipitated onto or into fibers or fibrils of a nanofibrillated polysaccharide.
Abstract translation: 一种用于由层状基材材料制成的纸和纸板的层，其中所述层包含占所述帘布层的1-25重量％的量的混合材料，其中所述混合材料被引入所述短循环的目标悬浮液 其中所述靶悬浮液形成所述层状基材，并且所述混合材料包含沉淀在纳米纤维化多糖的纤维或原纤维上的碱土金属碳酸盐。
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公开(公告)号：WO2022243820A1
公开(公告)日：2022-11-24
申请号：PCT/IB2022/054480
申请日：2022-05-13
Applicant: STORA ENSO OYJ
Inventor： HEISKANEN, Isto , BACKFOLK, Kaj , KANKKUNEN, Jukka , SIPPUS, Tuomo
Abstract: The present invention relates to a fluting or liner for corrugated board comprising a neutral sulfite semi chemical (NSSC) pulp, wherein said NSSC pulp has an ash content of less than 1.8 wt%, as determined according to standard ISO 1762:2019. The invention further relates to a a corrugated board comprising the fluting and/or liner.
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公开(公告)号：WO2022243817A1
公开(公告)日：2022-11-24
申请号：PCT/IB2022/054474
申请日：2022-05-13
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 comprising a strength enhancement agent, a second outer ply comprising a strength enhancement agent, and an interfacial layer joining said first and second outer ply, wherein each of said first and second outer ply comprise at least 50 wt% neutral sulfite semi chemical (NSSC) pulp based on dry weight, and wherein said interfacial layer comprises a strength enhancement agent in an amount of 0.5-20 gsm wherein the amount of strength enhancement agent in the interfacial layer is higher, preferably at least twice as high as the concentration of the strength enhancement agent in each of the first and second outer ply.
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公开(公告)号：WO2022144681A1
公开(公告)日：2022-07-07
申请号：PCT/IB2021/061938
申请日：2021-12-17
Applicant: STORA ENSO OYJ
Inventor： PENG, Frank , HEISKANEN, Isto , BACKFOLK, Kaj , KAZEMAHVAZI, Sohrab
Abstract: The invention discloses a method for producing a three-dimensional molded article from cellulose fibers, comprising the steps of: -providing a pulp molding composition; -molding a three-dimensional precursor structure from said composition wherein said structure comprises a dry content between 15-80wt%; -providing an aqueous suspension comprising microfibrillated cellulose and wet strength agent; -applying the aqueous suspension onto at least one face of said precursor structure to create a surface barrier layer on said structure; and -dewatering and drying said molded precursor structure under elevated temperature >150°C to a dry content of ≥88wt%, preferably ≥94wt%, more preferably ≥96% to achieve the three- dimensional molded article.
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Patent Agency Ranking6.发明申请
公开(公告)号：WO2022049483A1
公开(公告)日：2022-03-10
申请号：PCT/IB2021/057941
申请日：2021-08-31
Applicant: STORA ENSO OYJ
Inventor： HEISKANEN, Isto , BACKFOLK, Kaj , KAUPPI, Anna , KORVENNIEMI, Juha , KANKKUNEN, Jukka
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.
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公开(公告)号：WO2021224840A1
公开(公告)日：2021-11-11
申请号：PCT/IB2021/053831
申请日：2021-05-06
Applicant: STORA ENSO OYJ
Inventor： BACKFOLK, Kaj , HEISKANEN, Isto , LYYTIKÄINEN, Katja
IPC: D21H19/08 , B05D3/00 , B32B15/12 , B32B15/20 , B32B29/06 , B82Y30/00 , C23C14/02 , C23C14/14 , C23C16/02 , C23C16/06 , D21H11/18 , B32B7/02 , C08J5/18 , C08L1/02
Abstract: The present invention is directed to a process for manufacturing a nano- coated pulp-based substrate comprising the steps of: a) providing a suspension comprising pulp, said pulp having Schopper Riegler value of at least 70°; b) using the suspension of step a) to form a wet web; c) dewatering and/or drying the wet web to form a substrate; d) reducing surface roughness of the substrate; providing a nano-coating on the surface of the substrate obtained in step d) such that a nano-coating having a thickness in the range of from 0.1 nm to 100 nm is provided on the substrate.
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8.发明申请
公开(公告)号：WO2021191771A1
公开(公告)日：2021-09-30
申请号：PCT/IB2021/052359
申请日：2021-03-22
Applicant: STORA ENSO OYJ
Inventor： NYLÉN, Otto , HEISKANEN, Isto , RAHKO, Joanna , PIHKO, Riku
Abstract: The present invention relates to a method for producing a film comprising nanocellulose, which method comprises: providing a suspension comprising 50-100 weight- % of nanocelluiose based on total dry weight; forming a fibrous web of said suspension on a non- porous support; providing a press fabric comprising a web-side first surface and an opposite second surface, wherein said press fabric comprises a woven first fabric layer arranged in the press fabric as a layer providing said web- side first surface such that said press fabric has a woven surface structure at said web-side first surface; applying said web-side surface of said press fabric into direct contact with said web; wet-pressing said web by conducting said web, arranged between said press fabric and said non- porous support, through a pressing equipment, and drying the dewatered web so as to form said film. The invention further relates to a film produced from said method.
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公开(公告)号：WO2021130667A1
公开(公告)日：2021-07-01
申请号：PCT/IB2020/062323
申请日：2020-12-22
Applicant: STORA ENSO OYJ
Inventor： BACKFOLK, Kaj , HEISKANEN, Isto , NYLÉN, Otto
IPC: D21H23/52 , B05D1/28 , C08J5/18 , D21H19/12 , B05C1/14 , B32B3/28 , D21H11/18 , D21H17/17 , D21H21/16
Abstract: A method is provided for coating a fibrous web, in particular a fibrous web comprising nanocellulose fibres. The method includes steps of applying a coating agent to a textured surface region of a textured substrate, applying a fibre furnish or a wet fibrous web onto the coated textured surface region of the textured substrate, optionally dewatering to provide a wet fibrous web, and drying said wet fibrous web such that at least a portion of said coating agent is transferred to said fibrous web. The method provides a coated fibrous web with improved barrier properties.
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公开(公告)号：WO2021074879A1
公开(公告)日：2021-04-22
申请号：PCT/IB2020/059762
申请日：2020-10-16
Applicant: STORA ENSO OYJ
Inventor： BACKFOLK, Kaj , HEISKANEN, Isto , LYYTIKÄINEN, Katja , CUNHA, Gisela , NYLEN, Otto
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.
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