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1. (WO2010073678) METHOD FOR PRODUCING MICROFIBROUS CELLULOSE SHEET AND COMPOSITE OBTAINED BY IMPREGNATING THE MICROFIBROUS CELLULOSE SHEET WITH RESIN
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2010/073678 International Application No.: PCT/JP2009/007211
Publication Date: 01.07.2010 International Filing Date: 24.12.2009
IPC:
D21H 11/18 (2006.01) ,D21H 17/37 (2006.01) ,D21H 17/66 (2006.01)
D TEXTILES; PAPER
21
PAPER-MAKING; PRODUCTION OF CELLULOSE
H
PULP 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
11
Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
16
modified by a particular after-treatment
18
Highly hydrated, swollen or fibrillatable fibres
D TEXTILES; PAPER
21
PAPER-MAKING; PRODUCTION OF CELLULOSE
H
PULP 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
17
Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
20
Macromolecular organic compounds
33
Synthetic macromolecular compounds
34
obtained by reactions only involving carbon-to-carbon unsaturated bonds
37
Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
D TEXTILES; PAPER
21
PAPER-MAKING; PRODUCTION OF CELLULOSE
H
PULP 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
17
Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
63
Inorganic compounds
66
Salts, e.g. alums
Applicants:
王子製紙株式会社 Oji Paper Co., Ltd. [JP/JP]; 東京都中央区銀座4丁目7番5号 7-5, Ginza 4-chome, Chuo-ku, Tokyo 1040061, JP (AllExceptUS)
野一色泰友 NOISHIKI, Yasutomo [JP/JP]; JP (UsOnly)
河向隆 KAWAMUKAI, Takashi [JP/JP]; JP (UsOnly)
角田充 TSUNODA, Mitsuru [JP/JP]; JP (UsOnly)
浅山良行 ASAYAMA, Yoshiyuki [JP/JP]; JP (UsOnly)
Inventors:
野一色泰友 NOISHIKI, Yasutomo; JP
河向隆 KAWAMUKAI, Takashi; JP
角田充 TSUNODA, Mitsuru; JP
浅山良行 ASAYAMA, Yoshiyuki; JP
Agent:
志賀正武 SHIGA, Masatake; 東京都千代田区丸の内一丁目9番2号 1-9-2, Marunouchi, Chiyoda-ku, Tokyo 1006620, JP
Priority Data:
2008-33203826.12.2008JP
2009-11604513.05.2009JP
2009-19705027.08.2009JP
Title (EN) METHOD FOR PRODUCING MICROFIBROUS CELLULOSE SHEET AND COMPOSITE OBTAINED BY IMPREGNATING THE MICROFIBROUS CELLULOSE SHEET WITH RESIN
(FR) PROCÉDÉ DE FABRICATION D'UNE FEUILLE DE CELLULOSE MICROFIBREUSE ET COMPOSITE OBTENU PAR IMPRÉGNATION DE LA FEUILLE DE CELLULOSE MICROFIBREUSE AVEC UNE RÉSINE
(JA) 微細繊維状セルロースシートの製造方法および前記微細繊維状セルロースシートに樹脂含浸した複合体
Abstract:
(EN) Disclosed is a method for producing a microfibrous cellulose sheet, wherein microfibrous cellulose is efficiently formed into a porous sheet.  Also disclosed is a microfibrous cellulose composite which is obtained by impregnating a microfibrous cellulose sheet, which is produced by the above-mentioned method, with a resin.  The method for producing a microfibrous cellulose sheet is characterized by comprising: a dispersion step wherein an emulsion containing microfibrous cellulose and an organic solvent is dispersed in water, or a dispersion step wherein microfibrous cellulose is dispersed in a mixed solvent that is composed of water and a water-compatible organic solvent; a papermaking step wherein the aqueous dispersion of microfibrous cellulose is dehydrated by filtration on a porous base, thereby forming a water-containing sheet; and a drying step wherein the water-containing sheet is heated and dried.  The microfibrous cellulose composite is obtained by impregnating a microfibrous cellulose sheet, which is obtained by the production method, with a resin.
(FR) L'invention concerne un procédé de fabrication d'une feuille de cellulose microfibreuse, selon lequel de la cellulose microfibreuse est efficacement mise sous la forme d'une feuille poreuse. L'invention concerne également un composite de cellulose microfibreuse qui est obtenu par imprégnation d'une feuille de cellulose microfibreuse, fabriquée par le procédé susmentionné, avec une résine. Le procédé de fabrication d'une feuille de cellulose microfibreuse est caractérisé en ce qu'il comprend : une étape de dispersion lors de laquelle une émulsion contenant de la cellulose microfibreuse et un solvant organique est dispersée dans de l'eau, ou une étape de dispersion lors de laquelle de la cellulose microfibreuse est dispersée dans un solvant mixte composé d'eau et d'un solvant organique compatible avec l'eau ; une étape de fabrication de papier lors de laquelle la dispersion aqueuse de cellulose microfibreuse est déshydratée par filtration sur une base poreuse, formant ainsi une feuille contenant de l'eau ; et une étape de séchage lors de laquelle la feuille contenant de l'eau est chauffée et séchée. Le composite de cellulose microfibreuse est obtenu en imprégnant une feuille de cellulose microfibreuse, obtenue par le procédé de fabrication, avec une résine.
(JA)  微細繊維状セルロースを効率よく多孔性シートにする微細繊維状セルロースシートの製造方法および前記製造方法で得られた微細繊維状セルロースシートに樹脂を含浸することにより微細繊維状セルロースの複合体を提供する。微細繊維状セルロースシートの製造方法において、微細繊維状セルロースと有機溶媒を含むエマルションを水に分散させる分散工程、または、微細繊維状セルロースを水および水と相溶性のある有機溶媒からなる混合溶媒に分散させる分散工程、前記微細繊維状セルロースの水系分散液を多孔性の基材上でろ過により脱水し、水分を含んだシートを形成する抄紙工程、前記水分を含んだシートを加熱乾燥する乾燥工程を備えることを特徴とする微細繊維状セルロースシートの製造方法であり、また、前記製造方法で得られた微細繊維状セルロースシートに樹脂を含浸して得た微細繊維状セルロースの複合体である。
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PE, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG)
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)
Also published as:
JPWO2010073678