公开(公告)号：US20200181847A1

公开(公告)日：2020-06-11

申请号：US16628565

申请日：2018-07-02

Applicant: Stora Enso Oyj ,  Wetend Technologies Oy

Inventor： Esa SAUKKONEN ,  Isto HEISKANEN ,  Kaj BACKFOLK ,  Jouni MATULA ,  Jussi MATULA

IPC: D21H23/14 ,  D21H23/20 ,  D21C9/00 ,  D21H11/18

Abstract: A method of dosing a nanocellulose suspension in gel phase into a second suspension, wherein the method comprises the steps of: providing said nanocellulose suspension in gel phase; providing said second suspension; bringing said nanocellulose suspension in gel phase in contact with said second suspension; wherein the method comprises a step of subjecting said nanocellulose suspension in gel phase to a shear rate of more than 500 l/s, simultaneously with and/or immediately prior to the step of bringing said nanocellulose suspension in gel phase and said second suspension in contact with each other.

公开(公告)号：US20200056334A1

公开(公告)日：2020-02-20

申请号：US16346002

申请日：2017-10-31

Applicant: Stora Enso OYJ

Inventor： Isto HEISKANEN ,  Seppo LAMPAINEN ,  Kaj BACKFOLK ,  Esa SAUKKONEN ,  Jukka KANKKUNEN ,  Christian AULIN ,  Astrid ODEBERG GLASENAPP

IPC: D21H27/40 ,  C09J101/02 ,  C09J103/02 ,  C09J5/06

Abstract: The present invention relates to a corrugated board comprising an adhesive arranged to attach a fluted corrugated medium to a liner wherein the adhesive comprises starch and microfibrillated cellulose. The invention also relates to a method to produce said corrugated board.

公开(公告)号：US20200173109A1

公开(公告)日：2020-06-04

申请号：US16614164

申请日：2018-05-17

Applicant: Stora Enso OYJ

Inventor： Esa SAUKKONEN ,  Isto HEISKANEN ,  Katja LYYTIKÄINEN ,  Kaj BACKFOLK

IPC: D21H11/18 ,  D21H25/04 ,  B32B23/06 ,  B32B23/08 ,  B32B5/06

Abstract: A method of manufacturing a film having an oxygen transmission rate (OTR) value in the range of 0.1 to 200 cc/m2*24 h at 23° C., 50% relative humidity (RH), and an OTR value in the range of 0.1 to 2000 cc/m2*24 h at 38° C. at 85% RH, comprising at least 60% by weight nanocellulose based on the weight of the total amount of fibers in the film, wherein the method comprises the steps of, providing an aqueous suspension comprising said nanocellulose; forming a web from said aqueous suspension; calendering said web at a line load of at least 40 kN/m, and at a temperature of at least 60° C. wherein said film is formed and said web has an OTR value in the range of 50 to 10 000 cc/m2*24 h at 23° C., 50% RH before said calendering step, or more preferably in the range of 500 to 5000 cc/m2*24 h at 23° C., 50% RH before said calendering step.

公开(公告)号：US20190226144A1

公开(公告)日：2019-07-25

申请号：US16316790

申请日：2017-07-03

Applicant: Stora Enso OYJ

Inventor： Kaj BACKFOLK ,  Isto HEISKANEN ,  Esa SAUKKONEN ,  Kirsi PARTTI-PELLINEN ,  Simo SIITONEN

IPC: D21F11/00 ,  D21H17/28 ,  D21H21/36 ,  D21H21/56

Abstract: The present invention relates to a new process for creating foam in a process for manufacturing a paper or board product. According to the present invention, certain types of antimicrobial starch is used in the creation of the foam.