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公开(公告)号：US10167594B2
公开(公告)日：2019-01-01
申请号：US14438139
申请日：2013-10-28
Applicant: STORA ENSO OYJ
Inventor： Kimmo Nevalainen , Ville Ribu
IPC: D21J1/08 , D21H23/22 , B05D1/26 , B05D7/00 , B32B27/10 , B32B27/36 , D21H27/10 , D21H19/20 , D21H19/28 , D21H19/82 , B32B37/15 , B65D65/46 , B32B27/08 , B32B27/12 , B32B27/30 , A47G19/22 , B65D1/34 , B65D5/62 , B65D25/14 , B32B27/18
Abstract: A biodegradable packaging material, a method of manufacturing the same, as well as products made of the material wherein the manufacture comprises extrusion onto a fibrous substrate one or mote polymer coating layers including at least one layer of a polymer blend consisting of (i) 20-95 wt-% of polylactide having a high melt index of more than 35 g/10 min (210° C.; 2.16 kg), (ii) 5-80 wt-% of polybutylene succinate (PBS) or a biodegradable derivate thereof, and (iii) 0-5 wt-% of one or more polymeric additives. The components of the blend are melted and blended in connection with the extrusion step. The goal is to improve extrudability, increase machine speed in extrusion and maintaining good adhesiveness to the substrate and wood heat-sealability of the coating. The products include disposable drinking cups and board trays, as well as sealed carton packages for solids and liquids.
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公开(公告)号：US20180346813A1
公开(公告)日：2018-12-06
申请号：US15779131
申请日：2016-11-25
Applicant: STORA ENSO OYJ
Inventor： Kaj Backfolk , Elina Skerfe , Isto Heiskanen
Abstract: The invention relates to a ground cover in the form of a mulch, comprising a paper substrate originating from fibre-bearing pulp, preferably emanating from lignocellulosic material, which has been web-formed or sheet-formed. Paper based mulches face problems with biodegradability and microbial attacks, mechanical strength and cost. The solution according to the invention is that the fibres have been coated with one or more minerals, e.g., calcium carbonate, and the mulch comprises one or more functional agents, e.g., a colorant. Further, the mineral coated onto or into the fibres predominantly show up when precipitated in the form of one or more metal carbonates.
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公开(公告)号：US10145068B2
公开(公告)日：2018-12-04
申请号：US15307485
申请日：2015-04-29
Applicant: Stora Enso OYJ
Inventor： Hallgren Hans , Frank Peng , Anders Moberg , Hans Höglund , Gunilla Pettersson , Sven Norgren
Abstract: The present invention relates to a process for producing at least one ply of a paper or board product wherein a web comprising mechanical and/or chemimechanical pulp and at least one dry strength additive is dried in a press drying process by subjecting the web to heat and an overpressure of above 40 kPa. The present invention also relates to a paper product, a paperboard product and a ply produced according to the process.
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公开(公告)号：US20180326620A1
公开(公告)日：2018-11-15
申请号：US15776305
申请日：2016-11-16
Applicant: Stora Enso OYJ
Inventor： JOHAN KALLSTROM , Fredrik Kallstrom , Martin Malmqvist , Roger Bergstrom , Conny Johansson , Maria Tornblom , Sofi Karlsson
IPC: B29B9/06
CPC classification number: B29B9/06 , B27N1/02 , B29C70/12 , B29K2101/12 , B29K2105/0005 , B29K2511/14 , D21H11/08
Abstract: The present invention relates to a process for the manufacturing of composite materials from natural fibers and thermoplastic polymers. Examples of fibers are wood fibers originating from pulping processes known as refiner pulp (RMP), thermomechanical pulp (TMP) or chemi-thermomechanical pulp (CTMP), but the process can also be applied to other kinds of natural fiber containing raw materials. In the process according to the present invention, fibers are introduced from the blowline or the housing of a refiner into a flash tube dryer, separated from humid air in a cyclone, introduced into a compounder and mixed with at least one thermoplastic polymer and the product is subsequently pelletized. The process according to the present invention is advantageously run as a continuous process.
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75.发明授权公开(公告)号：US10118360B2
公开(公告)日：2018-11-06
申请号：US14385011
申请日：2013-03-15
Applicant: STORA ENSO OYJ
Inventor： Jari Räsänen , Niilo Pöyhönen , Mari Hiltunen , Outi Kylliäinen
IPC: B65D1/34 , B31B49/02 , B65D1/26 , B65D75/32 , B31B50/44 , B29C51/24 , B29C51/08 , B29L31/00 , B29K311/12 , B29C51/22 , B31B50/59
Abstract: A deep-drawn paper tray made of paper material, a method and an apparatus for manufacturing the tray, and a closed product package comprising the tray. The tray having a bottom and upwardly expanding side walls around the bottom, the side walls of the tray being shaped to expand through a plurality of circumferential steps dimensioned low enough for obtaining wrinkle-free side walls for the tray. The outermost step is a flat, wrinkle-free rim flange, which enables liquid and gas proof heat-sealing of a lid to form the package. The apparatus may comprise upper and lower moulding tools with concentric movable frames for forming the tray bottom and side wall steps from paper blanks, and moulding tools may be mounted onto a rotating turret carrying a paper blank through working stations arranged along the turret circumference, to shape the tray bottom and the side wall steps at the consecutive stations.
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Patent Agency Ranking
公开(公告)号：US20180305844A1
公开(公告)日：2018-10-25
申请号：US15766470
申请日：2016-10-06
Applicant: Stora Enso OYJ
Inventor： Niklas Garoff , Robert Protz , Jens Erdmann , Johannes Ganster , Andre Lehmann
CPC classification number: D01F9/17 , C08L1/02 , C08L97/00 , C08L97/005 , C08L2203/12 , D01D5/06 , D01F2/02 , D01F9/00 , D01F9/16 , D10B2201/00
Abstract: The present invention relates to a method for manufacturing a shaped body comprising lignin which may be further processed into intermediate carbon fibers and finally also carbon fibers. Uses of said fibers are also disclosed. The present invention addresses the problem of lignin leaching into a precipitation bath. The solution to this problem is a novel method for minimizing the loss of lignin through the addition of certain salts into the precipitation bath.
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公开(公告)号：US10085350B2
公开(公告)日：2018-09-25
申请号：US14375147
申请日：2013-01-30
Applicant: STORA ENSO OYJ
Inventor： Juha Maijala , Petri Sirviö
IPC: H05K3/14 , H05K1/03 , B05B1/30 , B05B5/16 , B05B17/06 , B05B12/18 , B05B9/00 , B05B15/00 , H05K3/38 , B05B5/14
CPC classification number: H05K3/14 , B05B1/30 , B05B5/14 , B05B5/1608 , B05B12/18 , B05B17/0607 , B05B17/0615 , H05K1/038 , H05K1/0386 , H05K3/381 , H05K2203/0278 , H05K2203/111 , H05K2203/1121 , H05K2203/1344 , H05K2203/1545
Abstract: A method and an arrangement are disclosed for transferring electrically conductive material in fluid form onto a substrate. Said substrate is preheated to a first temperature, and of said electrically conductive material there is produced fluid electrically conductive material. The fluid electrically conductive material is sprayed onto the preheated substrate to form a pattern of predetermined kind. The substrate onto which said fluid electrically conductive material was sprayed is cooled to a third temperature, which is lower than the melting point of said electrically conductive material.
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公开(公告)号：US20180245289A1
公开(公告)日：2018-08-30
申请号：US15758963
申请日：2016-09-16
Applicant: Stora Enso OYJ
Inventor： Isto Heiskanen , Kaj Backfolk , Esa Saukkonen
Abstract: A method for manufacturing a film, wherein said film has a basis weight of less than 50 g/m2 and wherein the density of the film is higher than 750 kg/m2 comprising the steps of: providing a suspension comprising microfiber Hated cellulose (MFC); forming a web of said suspension on a porous wire, microfibrillated cellulose (MFC); surface sizing said web, wherein the web, at the beginning of the surface sizing step, has a moisture content in the rage from 10 to 50 wt-%; drying said surface sized web to a final moisture content of between 0.1-20 wt-% to form said film.
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79.发明申请公开(公告)号：US20180245287A1
公开(公告)日：2018-08-30
申请号：US15754870
申请日：2016-09-16
Applicant: Stora Enso OYJ
Inventor： Isto Heiskanen , Kaj Backfolk
CPC classification number: D21H11/18 , B32B27/10 , B32B2250/02 , B32B2323/043 , B32B2323/046 , D21H17/22 , D21H17/24 , D21H17/28 , D21H17/31 , D21H17/32 , D21H17/375 , D21H21/10
Abstract: A method for the production of a film from a fibrous web, wherein the method comprises the steps of: providing a fibrous suspension comprising a microfibrillated cellulose, wherein the content of the microfibrillated cellulose of said suspension is in the range of 60 to 99.9 weight-% based on total dry solid content, adding an amphoteric polymer to said suspension to provide a mixture of said microfibrillated cellulose and said amphoteric polymer, providing said mixture to a substrate to form a fibrous web, wherein the amount of amphoteric polymer in said mixture is in the range of 0.1 to 20 kg/metric ton based on total dry solid content; and dewatering said fibrous web to form a film having a basis weight of less than 40 g/m2 and a density in the range of from 700 to 1000 kg/m3
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公开(公告)号：US20180237990A1
公开(公告)日：2018-08-23
申请号：US15755407
申请日：2016-08-23
Applicant: Stora Enso OYJ
Inventor： Isto Heiskanen , Henri Kastinen , Lars Axrup , Saija Pollanen , Jani Korhonen , Petri Suhonen , Teemu Tiainen , Matti Vakevainen
Abstract: Method for producing microfibrillated cellulose(MFC), wherein the method comprising the steps of: Pre-treating of chemical pulp, such that, the pulp reaches a Schopper-Riegler (SR) value above 50, and refining the pulp, at a consistency of 3-6%, in a refiner with refiner blades, wherein the height of the refiner blades is in the range 2-3 mm.
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