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1. WO2020111025 - PAPER COMPRISING CELLULOSE-NANOFIBER-CONTAINING COATING LAYER

Publication Number WO/2020/111025
Publication Date 04.06.2020
International Application No. PCT/JP2019/046064
International Filing Date 26.11.2019
IPC
D21H 19/52 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
19Coated paper; Coating material
36Coatings with pigments
44characterised by the other ingredients, e.g. the binder or dispersing agent
52Cellulose; Derivatives thereof
C08B 11/12 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
BPOLYSACCHARIDES; DERIVATIVES THEREOF
11Preparation of cellulose ethers
02Alkyl or cycloalkyl ethers
04with substituted hydrocarbon radicals
10substituted with acid radicals
12substituted with carboxylic radicals
C08B 15/04 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
BPOLYSACCHARIDES; DERIVATIVES THEREOF
15Preparation of other cellulose derivatives or modified cellulose
02Oxycellulose; Hydrocellulose; Cellulose hydrate
04Carboxycellulose, e.g. prepared by oxidation with nitrogen dioxide
D21H 11/20 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
20Chemically or biochemically modified fibres
D21H 19/34 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
19Coated paper; Coating material
10Coatings without pigments
14applied in a form other than the aqueous solution defined in group D21H19/1295
34comprising cellulose or derivatives thereof
D21H 19/54 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
19Coated paper; Coating material
36Coatings with pigments
44characterised by the other ingredients, e.g. the binder or dispersing agent
54Starch
CPC
C08B 11/12
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
BPOLYSACCHARIDES; DERIVATIVES THEREOF
11Preparation of cellulose ethers
02Alkyl or cycloalkyl ethers
04with substituted hydrocarbon radicals
10substituted with acid radicals
12substituted with carboxylic radicals ; , e.g. carboxymethylcellulose [CMC]
C08B 15/04
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
BPOLYSACCHARIDES; DERIVATIVES THEREOF
15Preparation of other cellulose derivatives or modified cellulose ; , e.g. complexes
02Oxycellulose; Hydrocellulose; Cellulosehydrate, e.g. microcrystalline cellulose
04Carboxycellulose, e.g. prepared by oxidation with nitrogen dioxide
D21H 11/20
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
20Chemically or biochemically modified fibres
D21H 19/34
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
19Coated paper
10Coatings without pigments
14applied in a form other than the aqueous solution defined in group D21H19/12
34comprising cellulose or derivatives thereof
D21H 19/52
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
19Coated paper
36Coatings with pigments
44characterised by the other ingredients, e.g. the binder or dispersing agent
52Cellulose; Derivatives thereof
D21H 19/54
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
19Coated paper
36Coatings with pigments
44characterised by the other ingredients, e.g. the binder or dispersing agent
54Starch
Applicants
  • 日本製紙株式会社 NIPPON PAPER INDUSTRIES CO., LTD. [JP]/[JP]
Inventors
  • 柿木 詩織 KAKINOKI, Shiori
  • 外岡 遼 SOTOOKA, Ryo
  • 畠山 清 HATAKEYAMA, Kiyoshi
  • 吉松 丈博 YOSHIMATSU, Takehiro
Agents
  • 小野 新次郎 ONO, Shinjiro
  • 中村 充利 NAKAMURA, Mitsutoshi
  • 小笠原 有紀 OGASAWARA, Yuki
  • 新井 規之 ARAI, Noriyuki
Priority Data
2018-22024626.11.2018JP
2018-22025126.11.2018JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) PAPER COMPRISING CELLULOSE-NANOFIBER-CONTAINING COATING LAYER
(FR) PAPIER COMPRENANT UNE COUCHE DE REVÊTEMENT CONTENANT DES NANOFIBRES DE CELLULOSE
(JA) セルロースナノファイバー含有塗工層を備える紙
Abstract
(EN)
Provided is a paper comprising a base paper and a coating layer, wherein the coating layer includes starch and cellulose nanofibers. The starch is preferably thermochemically modified starch, or more preferably ammonium-persulfate-modified starch or urea•acid modified starch.
(FR)
L'invention concerne un papier comprenant un papier de base et une couche de revêtement, la couche de revêtement comprenant de l'amidon et des nanofibres de cellulose. L'amidon est de préférence un amidon modifié thermochimiquement, ou plus idéalement de l'amidon modifié par un persulfate d'ammonium ou de l'amidon modifié par urée•acide.
(JA)
原紙および塗工層を備える紙であって、前記塗工層が澱粉とセルロースナノファイバーを含む紙を提供する。前記澱粉は、好ましくは熱化学変性澱粉、より好ましくは過硫酸アンモニウム変性澱粉または尿素・酸変性澱粉である。
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