公开(公告)号：WO2014174155A1

公开(公告)日：2014-10-30

申请号：PCT/FI2014/050299

申请日：2014-04-25

Applicant: WETEND TECHNOLOGIES OY ,  STORA ENSO OYJ

Inventor： HEISKANEN, Isto ,  IMPPOLA, Olavi ,  MATULA, Jouni ,  MATULA, Jussi ,  RÄSÄNEN, Jari ,  TAHKOLA, Karri ,  VÄKEVÄINEN, Matti

IPC: D21H17/30 ,  C01F11/02 ,  D21H17/67 ,  D21H17/70 ,  D21H17/00 ,  D21H21/10 ,  D21H21/18 ,  D21H23/04

CPC classification number: D21H21/18 ,  C01F11/181 ,  C01F11/182 ,  C01P2004/03 ,  C01P2004/62 ,  D21H17/375 ,  D21H17/63 ,  D21H17/675 ,  D21H17/70 ,  D21H17/73 ,  D21H17/74 ,  D21H21/10 ,  D21H23/04

Abstract: The present invention relates toa method of producing precipitated calcium carbonate (PCC) where a retention/strength enhancing chemical is added to milk of lime to form a mixture thereof prior to adding the mixture of the retention/strength enhancing chemical and milk of lime to paper making stock in a pipeline leading to a headbox of a paper making machine, whereafter carbon dioxide is introduced to the paper making stock, and the carbonation reaction between milk of lime and carbon dioxide is allowed to proceed in the presence of both fibres and the retention/strength enhancing chemical.

Abstract translation: 本发明涉及一种生产沉淀碳酸钙（PCC）的方法，其中在将石灰的保留/强度增强化学品和牛奶的混合物加入到纸中之前，将保留/强度增强化学品添加到石灰乳中以形成其混合物 在通向造纸机的流浆箱的管道中备料，之后将二氧化碳引入造纸原料，并且在两种纤维存在下允许石灰和二氧化碳的牛奶之间的碳酸化反应进行，并且保留 /强度增强化学品。

公开(公告)号：WO2014049518A1

公开(公告)日：2014-04-03

申请号：PCT/IB2013/058804

申请日：2013-09-24

Applicant: STORA ENSO OYJ

Inventor： HEISKANEN, Isto ,  MIIKKI, Nina

IPC: B29C59/02 ,  B29C39/00 ,  B32B3/30 ,  B32B27/10 ,  B65D65/40

CPC classification number: D21H27/10 ,  B29C59/022 ,  B29C59/04 ,  B29C59/046 ,  B29C2059/023 ,  B29K2995/0093 ,  D21H19/20 ,  D21H19/66 ,  D21H21/16

Abstract: The present invention relates to a method for manufacturing a polymer product with super-or highly hydrophobic characteristics, preferably in the form of a film. Also methods for the manufacturing of a laminate and a polymer coated paper or board product, respectively, both having said characteristics, are disclosed. The present invention also relates to products obtainable by said methods and uses thereof.

Abstract translation: 本发明涉及一种制备具有超疏水特性的聚合物产品的方法，优选以薄膜形式。 还公开了分别具有所述特征的层压体和聚合物涂布纸或纸制品的制造方法。 本发明还涉及通过所述方法及其用途可获得的产品。

公开(公告)号：WO2013053997A1

公开(公告)日：2013-04-18

申请号：PCT/FI2012/050971

申请日：2012-10-09

Applicant: STORA ENSO OYJ

Inventor： RÄSÄNEN, Jari ,  HEISKANEN, Isto ,  LAITINEN, Risto

IPC: D21H21/16 ,  D21H17/15 ,  D21H17/17 ,  D21H17/56 ,  D21H21/20

CPC classification number: B65D1/265 ,  B32B1/02 ,  B32B23/06 ,  B32B29/00 ,  B32B29/002 ,  B32B29/06 ,  B32B29/08 ,  B65D1/22 ,  B65D1/26 ,  B65D1/28 ,  B65D1/44 ,  D21H17/14 ,  D21H17/15 ,  D21H17/17 ,  D21H17/55 ,  D21H17/56 ,  D21H17/62 ,  D21H17/66 ,  D21H17/74 ,  D21H19/22 ,  D21H19/28 ,  D21H19/76 ,  D21H19/824 ,  D21H19/84 ,  D21H21/16 ,  D21H21/20 ,  D21H27/10 ,  Y10T428/1303 ,  Y10T428/277 ,  Y10T428/31783 ,  Y10T428/31786 ,  Y10T428/3179 ,  Y10T428/31895 ,  Y10T428/31902 ,  Y10T428/31993

Abstract: The invention relates to a packaging board comprising a fibrous base and one or more polymer coating layers on one or both sides of the fibrous base. According to the invention the fibrous base contains the combination of an alkyl ketene dimer size, stearic acid anhydride, a wet-strength size and an aluminium com- pound, which give the board resistance to aggressive liquids as well as thermal treatment, particularly an improved resistance to raw edge penetration in such circumstances. The invention further relates to containers and packages made of the board, for instance disposable drinking cups, dairy product cartons and auto- clave packages, as well as use of the board for such purposes.

Abstract translation: 本发明涉及一种包装板，其包括在纤维基材的一侧或两侧上的纤维基材和一个或多个聚合物涂层。 根据本发明，纤维基质含有烷基烯酮二聚体大小，硬脂酸酐，湿强度和铝化合物的组合，其使得板对侵蚀性液体的耐受性以及热处理，特别是改进的 在这种情况下抵抗原始边缘渗透。 本发明还涉及由板的制造的容器和包装，例如一次性饮用杯，乳制品纸箱和自动包装袋，以及用于这些目的的板的使用。

公开(公告)号：WO2012039668A1

公开(公告)日：2012-03-29

申请号：PCT/SE2011/051123

申请日：2011-09-19

Applicant: STORA ENSO OYJ ,  AXRUP, Lars ,  HEISKANEN, Isto ,  BACKFOLK, Kaj ,  RIIKONEN, Mika

Inventor： AXRUP, Lars ,  HEISKANEN, Isto ,  BACKFOLK, Kaj ,  RIIKONEN, Mika

IPC: D21H11/18 ,  D21C9/00 ,  D21H17/20 ,  D21H21/00

CPC classification number: D21H17/24 ,  D21H11/18 ,  D21H11/20 ,  D21H17/25 ,  D21H17/29 ,  D21H17/42 ,  D21H17/44 ,  D21H21/18

Abstract: The present invention relates to a paper or paperboard product comprising a furnish wherein said furnish comprises a cationic polymer in an amount of above 1,5% by weight, an anionic polymer and microfibrillated cellulose. The invention further relates to a process for the production of said product.

Abstract translation: 本发明涉及包含配料的纸或纸板产品，其中所述配料包含大于1.5重量％的阳离子聚合物，阴离子聚合物和微纤化纤维素。 本发明还涉及生产所述产品的方法。

公开(公告)号：WO2009106968A2

公开(公告)日：2009-09-03

申请号：PCT/IB2009/000365

申请日：2009-02-26

Applicant: STORA ENSO OYJ ,  BACKFOLK, Kaj ,  HEISKANEN, Isto ,  HARLIN, Ali

Inventor： BACKFOLK, Kaj ,  HEISKANEN, Isto ,  HARLIN, Ali

IPC: B05D1/04 ,  B05D1/06 ,  D21C5/02 ,  B01D39/00 ,  B05B5/025 ,  B05D7/04 ,  B05D7/24 ,  D21H23/50

CPC classification number: D21C5/02 ,  B05B5/057 ,  B05D1/007 ,  B05D1/04 ,  B05D1/045 ,  B05D1/06 ,  D01D5/0023 ,  D01D5/003 ,  D01D5/0038 ,  D01D5/0061 ,  D01D5/0069 ,  D01D5/0084 ,  D01D5/0092 ,  D04H1/728 ,  D21H19/38 ,  D21H23/50 ,  Y02W30/648

Abstract: The invention refers to a method for forming particles or droplets of at least one substance comprising the steps of providing a foamed medium, which foamed medium comprises said substance, and forming particles or droplets of said substance at least partly by electrostatic processing. The use of foamed medium in electrostatic processing enables higher production speeds and increases the evenness of a coating layer formed by electrospinning or electrospraying the particles or droplets on a substrate.

Abstract translation: 本发明涉及一种用于形成至少一种物质的颗粒或液滴的方法，包括以下步骤：提供泡沫介质，所述发泡介质包括所述物质，并且至少部分地通过静电处理形成所述物质的颗粒或液滴。 在静电处理中使用泡沫介质可以实现更高的生产速度，并且通过静电纺丝或电喷雾在基底上的颗粒或液滴形成的涂层的均匀度提高。

公开(公告)号：WO2023073552A1

公开(公告)日：2023-05-04

申请号：PCT/IB2022/060240

申请日：2022-10-25

Applicant: STORA ENSO OYJ

Inventor： LJUNGQVIST, Carl-Henrik ,  HEISKANEN, Isto ,  BACKFOLK, Kaj

IPC: D21H11/14 ,  B29B17/02 ,  C08J11/04 ,  D21B1/02 ,  D21B1/32 ,  D21C5/02

Abstract: The present invention relates to a method for manufacturing a highly refined cellulose composition, comprising: i) providing a fiber fraction comprising 20-100 wt% fibers obtained from used beverage cartons (UBC) based on the total dry fiber weight of the fiber fraction, ii) optionally subjecting the fiber fraction to mechanical, chemical or enzymatic pre-treatment, or a combination thereof, iii) subjecting the optionally pre-treated fiber fraction to refining at a consistency in the range of 0.5-30% by weight to a Schopper-Riegler (SR) in the range of 50-100, as determined by standard ISO 5267-1, to obtain the highly refined cellulose composition.

公开(公告)号：WO2023073539A1

公开(公告)日：2023-05-04

申请号：PCT/IB2022/060223

申请日：2022-10-25

Applicant: STORA ENSO OYJ

Inventor： LJUNGQVIST, Carl-Henrik ,  HEISKANEN, Isto ,  BACKFOLK, Kaj

IPC: D21B1/32 ,  D21B1/02 ,  B32B27/10

Abstract: The present invention relates to a method for manufacturing a purified fiber fraction from used beverage carton (UBC), said method comprising the steps: a) subjecting a UBC starting material to a polymer and aluminum film separation method to obtain a UBC polymer and aluminum fraction and a raw UBC fiber fraction; b) optionally subjecting the raw UBC fiber fraction to a coarse screening method to remove coarse particles; c) subjecting the raw UBC fiber fraction to a fine screening method to remove cellulose fines and fine particulate contaminants, wherein the fine screening method comprises at least one fine screening step and at least one dilution step; d) optionally subjecting the fine screened UBC fiber fraction to a bleaching method; e) subjecting the fine screened, and optionally bleached, UBC fiber fraction to an electro-osmosis method to remove further contaminants; f) optionally subjecting the fine screened, and optionally bleached, UBC fiber fraction to a dewatering method to a consistency of at least 20 wt%; and g) subjecting the optionally dewatered UBC fiber fraction to a deactivation method to obtain a purified UBC fiber fraction.

公开(公告)号：WO2023047216A1

公开(公告)日：2023-03-30

申请号：PCT/IB2022/058163

申请日：2022-08-31

Applicant: STORA ENSO OYJ

Inventor： NYLÉN, Otto ,  HEISKANEN, Isto ,  KANKKUNEN, Jukka ,  BACKFOLK, Kaj

IPC: C08J5/18 ,  B82Y30/00 ,  C08L1/02 ,  D21F3/02 ,  D21H11/18

Abstract: The present invention relates to a method for producing a film comprising microfibrillated cellulose, which comprises: providing a suspension comprising 30-100 weight-% microfibrillated cellulose based on total dry weight; forming a wet web of said suspension by casting on a support being a non-porous support, paper or paperboard; wet-pressing said wet web to form a dewatered web, which comprises applying a press fabric into direct contact with said wet web and conducting said wet web, arranged between said press fabric and said non-porous support, through a pressing equipment; smoothening said dewatered web by applying at least one smoothing press to said dewatered web arranged on said non-porous support so as to form a smoothened web, wherein a pressure of 0.1-25 MPa is applied in each smoothing press, wherein said dewatered web has a dry content of 20-60% by weight when applying said smoothing press(es), and drying said smoothened web to form said film. The invention further relates to a film.

公开(公告)号：WO2022189958A1

公开(公告)日：2022-09-15

申请号：PCT/IB2022/052037

申请日：2022-03-08

Applicant: STORA ENSO OYJ

Inventor： HEISKANEN, Isto ,  BACKFOLK, Kaj ,  LYYTIKÄINEN, Katja ,  MOBERG, Anders ,  KANKKUNEN, Jukka

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

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 and a content of fibers having a length >0.2 mm of at least 7 million fibers per gram based on dry weight, 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 on a wire to a consistency of at least 5 wt% to obtain a substrate web, wherein the white water removed from the pulp contains 2-25 wt%, preferably 5-20 wt% and more preferably at least 5-15 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 microfibrillated cellulose to obtain a coated web; and e) dewatering and/or drying the coated web to obtain a barrier film comprising highly refined cellulose.

公开(公告)号：WO2022049482A1

公开(公告)日：2022-03-10

申请号：PCT/IB2021/057940

申请日：2021-08-31

Applicant: STORA ENSO OYJ

Inventor： HEISKANEN, Isto ,  BACKFOLK, Kaj ,  KAUPPI, Anna ,  LYYTIKÄINEN, Katja ,  KANKKUNEN, Jukka ,  KORVENNIEMI, Juha

IPC: D21H11/18 ,  B32B29/02 ,  D21F11/08 ,  D21H27/30

Abstract: The present invention relates to a method for manufacturing a multilayer film comprising microfibrillated cellulose (MFC) in a paper-making machine, the method comprising the steps of: a) forming a bottom web layer by applying a first pulp suspension comprising at least 50% by dry weight of cellulose based fibrous material having an SR (Schopper-Riegler) value in the range of 18-75 on a bottom web wire; b) forming or applying an intermediate web layer formed from a second pulp suspension comprising at least 50% by dry weight of MFC having an SR value in the range of 80-100 on the bottom web layer; c) applying a top web layer formed from a third pulp suspension comprising at least 50% by dry weight of cellulose based fibrous material having an SR (Schopper-Riegler) value in the range of 18-75 on the intermediate web layer to form a multilayer web; and d) dewatering, and optionally drying, the formed multilayer web to obtain a multilayer film comprising MFC.