公开(公告)号：US09863093B2

公开(公告)日：2018-01-09

申请号：US14441257

申请日：2013-11-06

Applicant: Stora Enso Oyj ,  Wetend Technologies Ltd.

Inventor： Olavi Imppola ,  Jouni Matula ,  Jussi Matula ,  Karri Tahkola ,  Matti Vakevainen ,  Isto Heiskanen ,  Jari Rasanen

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

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.

公开(公告)号：US09453305B2

公开(公告)日：2016-09-27

申请号：US14441249

申请日：2013-11-06

Applicant: Stora Enso Oyj ,  Wetend Technologies Ltd.

Inventor： Olavi Imppola ,  Jouni Matula ,  Jussi Matula ,  Karri Tahkola ,  Isto Heiskanen ,  Matti Vakevainen ,  Jari Rasanen

IPC: D21H17/00 ,  D21H11/18 ,  D21H17/25 ,  D21H17/67 ,  D21H17/70 ,  D21H17/28

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。

公开(公告)号：US20150292159A1

公开(公告)日：2015-10-15

申请号：US14441249

申请日：2013-11-06

Applicant: STORA ENSO OYJ ,  WETEND TECHNOLOGIES LTD

Inventor： Olavi Imppola ,  Jouni Matula ,  Jussi Matula ,  Karri Tahkola ,  Isto Heiskanen ,  Matti Väkeväinen ,  Jari Räsänen

IPC: D21H17/00 ,  D21H17/28 ,  D21H17/25 ,  D21H17/67

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。

公开(公告)号：US20150315748A1

公开(公告)日：2015-11-05

申请号：US14441257

申请日：2013-11-06

Applicant: Stora Enso Oyj ,  Wetend Technologies Ltd

Inventor： Olavi Imppola ,  Jouni Matula ,  Jussi Matula ,  Karri Tahkola ,  Matti Väkeväinen ,  Isto Heiskanen ,  Jari Räsänen

IPC: D21H17/67

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，其中所述帘布层包含以所述帘布层的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 在线方法中，所述目标悬浮液形成层状基底材料，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。

公开(公告)号：US20250162303A1

公开(公告)日：2025-05-22

申请号：US18842939

申请日：2023-02-23

Applicant: Stora Enso OYJ

Inventor： Isto Heiskanen ,  Tommi Nordström ,  Kaj Backfolk ,  Raino Kauppinen

IPC: B32B37/24 ,  B32B7/12 ,  B32B29/06 ,  B32B37/00 ,  B32B37/06 ,  B32B37/10 ,  B32B37/26

Abstract: The present invention relates to a method for manufacturing a barrier layer for a paper or paperboard based packaging laminate. said method comprising: a) providing a barrier substrate comprising at least 50 wt % highly refined cellulose pulp (HRC) based on dry weight of the barrier substrate. said HRC having a Schopper-Riegler (SR) number above 80 as determined by standard ISO 5267-1, b) providing a transfer coating substrate comprising a vacuum coating layer and a backing layer separated by a release layer, and c) transferring the vacuum coating layer from the backing layer to the barrier substrate by a transfer coating process using an adhesive layer applied on the barrier substrate and/or the vacuum coating layer to obtain a barrier layer for a paper or paperboard based packaging laminate.

公开(公告)号：US20250059712A1

公开(公告)日：2025-02-20

申请号：US18717641

申请日：2022-12-12

Applicant: Stora Enso OYJ

Inventor： Kaj Backfolk ,  Isto Heiskanen ,  Anders Moberg ,  Katja Lyytikäinen ,  Cecilia Land Hensdal ,  Anna Kauppi

IPC: D21H21/18 ,  D21D1/20 ,  D21H11/02 ,  D21H11/18 ,  D21H15/06

Abstract: The present invention relates to a strength enhancement agent for paper and paperboard, said strength enhancement agent comprising a fines-depleted highly refined cellulose pulp (FD-HIRC), wherein said FD-HIRC has a Schopper-Riegler (SR) number in the range of 60-100 as determined by standard ISO 5267-1, and wherein said FD-HRC has an amount of long (>0.2 mm) fibers of at least 8 million fibers per gram (based on dry weight), and wherein said FD-HRC has a Fines A value below 46, wherein the Fines A value is determined using an FS5 optical fiber analyzer. The present invention relates to a method for manufacturing said strength enhancement agent.

公开(公告)号：US12152345B2

公开(公告)日：2024-11-26

申请号：US17046410

申请日：2019-04-12

Applicant: Stora Enso OYJ

Inventor： Isto Heiskanen ,  Kaj Backfolk ,  Jukka Kankkunen ,  Antti Veitola

IPC: D21H19/12 ,  B32B27/10 ,  B32B29/06 ,  B32B37/15 ,  B32B37/20 ,  D21G1/00 ,  D21H11/18 ,  D21H19/84 ,  D21H23/56 ,  D21H23/64

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 3000 m 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：US20240263399A1

公开(公告)日：2024-08-08

申请号：US18566361

申请日：2022-06-03

Applicant: Stora Enso OYJ

Inventor： Isto Heiskanen ,  Kaj Backfolk ,  Katja Lyytikäinen

IPC: D21H21/16 ,  B32B29/00 ,  B65D65/40 ,  D21H11/18 ,  D21H19/12 ,  D21H19/40 ,  D21H19/46 ,  D21H19/54 ,  D21H23/22 ,  D21H27/10

CPC classification number: D21H21/16 ,  B32B29/005 ,  B65D65/40 ,  D21H11/18 ,  D21H19/12 ,  D21H19/40 ,  D21H19/46 ,  D21H19/54 ,  D21H23/22 ,  D21H27/10 ,  B32B2255/12 ,  B32B2255/24 ,  B32B2307/718 ,  B32B2307/7244 ,  B32B2307/7246

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.

公开(公告)号：US20240254694A1

公开(公告)日：2024-08-01

申请号：US18561431

申请日：2022-05-13

Applicant: Stora Enso OYJ

Inventor： Isto Heiskanen ,  Jukka Kankkunen ,  Ismo Saarinen ,  Jukka Lyyra ,  Juha Rvenniemi ,  Harri Taipale ,  Hannu Heikkinen

IPC: D21F11/12 ,  D21H11/14 ,  D21H27/40

CPC classification number: D21F11/12 ,  D21H11/14 ,  D21H27/40

Abstract: A method for manufacturing fluting and/or liner for corrugated board, comprising the step(s): a) using broke obtained from manufacturing of liner in the pulp used for manufacturing of fluting wherein at least 50% of the broke is external broke from the manufacturing of liner, and/or b) using broke obtained from manufacturing of fluting in the pulp used for manufacturing of liner wherein at least 50% of the broke is external broke from the manufacturing of fluting.

公开(公告)号：US20240240403A1

公开(公告)日：2024-07-18

申请号：US18559419

申请日：2022-05-13

Applicant: Stora Enso OYJ

Inventor： Isto Heiskanen ,  Kaj Backfolk ,  Jukka Kankkunen ,  Tuomo Sippus

IPC: D21H11/06 ,  D21C9/02 ,  D21H17/20 ,  D21H21/10 ,  D21H21/16 ,  D21H27/40

CPC classification number: D21H11/06 ,  D21C9/02 ,  D21H17/20 ,  D21H21/10 ,  D21H21/16 ,  D21H27/40

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 corrugated board comprising the fluting and/or liner.