公开(公告)号：PL2917402T3

公开(公告)日：2019-08-30

申请号：PL13853320

申请日：2013-11-06

Applicant: STORA ENSO OYJ

Inventor： AXRUP LARS ,  SAXELL HEIDI ,  JOKELA VEIKKO ,  KASTINEN HENRI ,  KAUPPI ANNA ,  BACKFOLK KAJ ,  RUOHONIEMI NINA ,  LAITINEN RISTO ,  HEISKANEN ISTO ,  LAUKALA TEIJA

IPC: D21H11/18 ,  C08B15/02 ,  C08L1/04 ,  D21H17/64 ,  D21H17/67

公开(公告)号：CA3081654A1

公开(公告)日：2019-06-27

申请号：CA3081654

申请日：2018-12-17

Applicant: STORA ENSO OYJ

Inventor： BACKFOLK KAJ ,  HEISKANEN ISTO ,  SAUKKONEN ESA ,  LYYTIKAINEN KATJA

Abstract: A method for the production of a fibrous product 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 uncharged, amphoteric or weakly cationic polymer having a molecular weight of at least 50000 g/mol to said suspension, -adding an anionic polymer having a molecular weight of at least 00000 g/mol to said suspension to provide a mixture of said microfibrillated cellulose, said uncharged, amphoteric or weakly cationic polymer and said anionic polymer, 1 -providing said mixture to a substrate to form a fibrous web,wherein the amount of uncharged, amphoteric or weakly cationic polymer in said mixture is in the range of 0.1 to 20 kg/metric ton based on total dry solid content and wherein the amount of anionic polymer in said mixture is in the range of 0.01 to 10 kg/metric ton based on total dry 20 solid content; and -dewatering said fibrous web to form a fibrous product.

公开(公告)号：CA2800647C

公开(公告)日：2019-01-22

申请号：CA2800647

申请日：2011-05-11

Applicant: STORA ENSO OYJ

Inventor： HEISKANEN ISTO ,  BACKFOLK KAJ

IPC: D21H19/52 ,  A23L5/41 ,  A23L29/262 ,  C08L97/02 ,  D21C9/00

Abstract: The present invention relates to a process for the production of a composition wherein the process comprises pre-treating cellulosic fibers by mechanical, chemical and/or enzymatic treatment, mixing the pre-treated cellulosic fibers with pigments forming a dispersion and dispersing the dispersion of pre-treated cellulosic fibers and pigments whereby a composition comprising microfibrillated cellulose is formed. The invention further relates to a composition produced according to the process.

公开(公告)号：SE1750877A1

公开(公告)日：2019-01-06

申请号：SE1750877

申请日：2017-07-05

Applicant: STORA ENSO OYJ

Inventor： SAUKKONEN ESA ,  HEISKANEN ISTO ,  BACKFOLK KAJ

IPC: B01F23/00 ,  D21H11/18 ,  B01F23/47 ,  B01F33/80 ,  C08L1/02 ,  D21C9/00

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 1/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：ZA201800796B

公开(公告)日：2018-12-19

申请号：ZA201800796

申请日：2018-02-07

Applicant: STORA ENSO OYJ

Inventor： HEISKANEN ISTO ,  BACKFOLK KAJ ,  SAUKKONEN ESA ,  RUOHONIEMI NINA ,  LYYTIKÄINEN KATJA

Abstract: The present invention relates to a method for manufacturing a film having an oxygen transmission rate in the range of from 1 cc/m2/24 h to 500 cc/m2/24 h according to ASTM D-3985, at a relative humidity of more than 50% at 25° C., or higher than 75% at 25° C., or higher than 85% at 25° C., wherein the method comprises the steps of: providing a first suspension comprising a microfibrillated cellulose, wherein the dry content of the suspension is in the range of from 0.1 to 10% by weight, adding a wet strength additive to said first suspension, at an amount of from 0.1 to 10 weight-% based on the amount of microfibrillated cellulose (dry/dry), thereby forming a mixture of the microfibrillated cellulose and the wet strength additive, applying said mixture to a substrate to form a fibrous web and drying said web to form said film. The present invention also relates to a film produced according to the method.

公开(公告)号：PL2989247T3

公开(公告)日：2018-08-31

申请号：PL14788480

申请日：2014-04-22

Applicant: STORA ENSO OYJ

Inventor： HEISKANEN ISTO ,  SAUKKONEN ESA ,  BACKFOLK KAJ ,  KAUPPI ANNA ,  SAXELL HEIDI ,  LYYTIKÄINEN KATJA

IPC: D21H11/18 ,  C08B11/15 ,  D21H11/20 ,  D21H17/37 ,  D21H17/55

公开(公告)号：CA3043139A1

公开(公告)日：2018-05-24

申请号：CA3043139

申请日：2017-11-16

Applicant: STORA ENSO OYJ

Inventor： HEISKANEN ISTO ,  BACKFOLK KAJ ,  SAUKKONEN ESA ,  RIBU VILLE ,  LYYTIKAINEN KATJA

IPC: C08J5/18

Abstract: Method for making a film that comprises microfibrillated cellulose, wherein the film has low OTR values and especially suitable for a tropical environment. The method comprising the steps of providing a suspension comprising microfibrillated cellulose (MFC), forming a film from said suspension, wherein the film having a solid content above40%, preferably above50%,treating the film with flame or plasma treatment, such that a surface activation takes place on the film, and cooling the film, wherein the surface of the film having a decreased OTR value and a high moisture resistance.

公开(公告)号：AU2016284940A1

公开(公告)日：2017-12-21

申请号：AU2016284940

申请日：2016-06-21

Applicant: STORA ENSO OYJ

Inventor： HEISKANEN ISTO ,  BACKFOLK KAJ ,  SAUKKONEN ESA TAPIO ,  LYYTIKÄINEN KATJA ELIISA

IPC: D21H11/18 ,  C08J5/18 ,  C08L1/02 ,  D21H17/24 ,  D21H19/10 ,  D21H21/56 ,  D21H23/28

Abstract: A method for manufacturing of a film, wherein said film is manufactured in a paper or paper board machine, wherein the method comprises the steps of providing a solution of a nanofibrillated poly-saccharide, wherein said solution comprises from 0.01 to 50 weight-% nanofibrillated polysaccharide, and wherein the nanofibrillated polysaccharide is any one of microfibrillated cellulose, nanofibrillated cellulose, nanocrystalline cellulose, microcrystalline cellulose, cellulose whiskers and cellulose derivative or a combination or mixture thereof, wherein the method further comprises the steps of providing an amphiphilic polymer; and providing a mixture of said amphiphilic polymer and said solution comprising nanofibrillated polysaccharide, whereby an intermediate solution is obtained; bringing said intermediate solution into a foam; providing said foam in the paper or board machine.

公开(公告)号：CA3022522A1

公开(公告)日：2017-11-23

申请号：CA3022522

申请日：2017-05-15

Applicant: STORA ENSO OYJ

Inventor： HEISKANEN ISTO ,  LYYTIKAINEN KATJA ,  SAUKKONEN ESA ,  BACKFOLK KAJ

IPC: C08J5/18 ,  A61Q17/00 ,  C08J5/04 ,  C08L1/02 ,  C09D5/00 ,  D21H11/10 ,  D21H11/18 ,  D21H21/16

Abstract: The present invention relates to an UV blocking film comprising microfibrillated cellulose wherein at least part of the microfibrillated cellulose is microfibrillated cellulose produced from non-chemical modified lignocellulosic material. The invention also relates to a method for producing the film, use of said film as well as a composition having UV blocking properties.

公开(公告)号：ES2614233T3

公开(公告)日：2017-05-30

申请号：ES07823074

申请日：2007-08-24

Applicant: STORA ENSO OYJ

Inventor： HEISKANEN ISTO ,  BACKFOLK KAJ

IPC: B05D1/06 ,  D21H21/16 ,  D21H23/50

Abstract: Método para controlar el área de contacto de la superficie de un sustrato de papel o cartón o un producto del mismo, depositando de forma electrostática una cantidad traza de partículas para formar una(s) capa(s) en dicha superficie, en donde dichas partículas comprenden lubricantes de capa límite y dichas partículas se depositan en la superficie diana solubilizadas o dispersas en un disolvente o vehículo líquido adecuado, en donde dicho control no se prepara.