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1. WO2020109657 - FOAM ASSISTED DRYING PROCESS OF NANO- AND MICROFIBRILLATED CELLULOSE

Publication Number WO/2020/109657
Publication Date 04.06.2020
International Application No. PCT/FI2019/050836
International Filing Date 22.11.2019
IPC
D21H 11/18 2006.01
DTEXTILES; PAPER
21PAPER-MAKING; PRODUCTION OF CELLULOSE
HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C, D21D84; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G97; PAPER NOT OTHERWISE PROVIDED FOR
11Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
16modified by a particular after-treatment
18Highly hydrated, swollen or fibrillatable fibres
C08L 1/02 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
1Compositions of cellulose, modified cellulose, or cellulose derivatives
02Cellulose; Modified cellulose
D21F 5/18 2006.01
DTEXTILES; PAPER
21PAPER-MAKING; PRODUCTION OF CELLULOSE
FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
5Dryer section of machines for making continuous webs of paper
18Drying webs by hot air
D21F 11/00 2006.01
DTEXTILES; PAPER
21PAPER-MAKING; PRODUCTION OF CELLULOSE
FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
11Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibreboard production, on paper-making machines
D21H 21/24 2006.01
DTEXTILES; PAPER
21PAPER-MAKING; PRODUCTION OF CELLULOSE
HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C, D21D84; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G97; PAPER NOT OTHERWISE PROVIDED FOR
21Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper impregnating or coating material, characterised by its function, form or properties
14characterised by function or properties in or on the paper
22Agents rendering paper porous, absorbent or bulky
24Surfactants
D21H 21/56 2006.01
DTEXTILES; PAPER
21PAPER-MAKING; PRODUCTION OF CELLULOSE
HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C, D21D84; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G97; PAPER NOT OTHERWISE PROVIDED FOR
21Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper impregnating or coating material, characterised by its function, form or properties
50characterised by form
56Foam
CPC
C08L 1/04
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
1Compositions of cellulose, modified cellulose or cellulose derivatives
02Cellulose; Modified cellulose
04Oxycellulose; Hydrocellulose ; , e.g. microcrystalline cellulose
C08L 67/04
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
67Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain
04Polyesters derived from hydroxycarboxylic acids, e.g. lactones
D21F 11/002
DTEXTILES; PAPER
21PAPER-MAKING; PRODUCTION OF CELLULOSE
FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
11Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
002by using a foamed suspension
D21H 11/18
DTEXTILES; PAPER
21PAPER-MAKING; PRODUCTION OF CELLULOSE
HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
11Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
16modified by a particular after-treatment
18Highly hydrated, swollen or fibrillatable fibres
D21H 21/24
DTEXTILES; PAPER
21PAPER-MAKING; PRODUCTION OF CELLULOSE
HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
21Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
14characterised by function or properties in or on the paper
22Agents rendering paper porous, absorbent or bulky
24Surfactants
D21H 21/56
DTEXTILES; PAPER
21PAPER-MAKING; PRODUCTION OF CELLULOSE
HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
21Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
50characterised by form
56Foam
Applicants
  • TEKNOLOGIAN TUTKIMUSKESKUS VTT OY [FI]/[FI]
Inventors
  • KINNUNEN, Karita
  • HJELT, Tuomo
  • LEHMONEN, Jani
Agents
  • LAINE IP OY
Priority Data
2018599626.11.2018FI
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) FOAM ASSISTED DRYING PROCESS OF NANO- AND MICROFIBRILLATED CELLULOSE
(FR) PROCÉDÉ DE SÉCHAGE ASSISTÉ PAR MOUSSE DE CELLULOSE NANOFIBRILLÉE ET MICROFIBRILLÉE
Abstract
(EN)
According to an example aspect of the present invention, there is provided amethod for foam assisted drying of nano-and microfibrillated cellulose, which is easily up- scalable and cost-efficient.
(FR)
Selon l'un de ses aspects, donné à titre d'exemple, la présente invention concerne un procédé de séchage assisté par mousse de cellulose nanofibrillée et microfibrillée, qui est facilement évolutif et rentable.
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