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1. (WO2007086497) PAPER CONTAINING PREAGGREGATED FILLER AND PROCESS FOR PRODUCING THE SAME
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2007/086497    International Application No.:    PCT/JP2007/051247
Publication Date: 02.08.2007 International Filing Date: 26.01.2007
IPC:
D21H 17/67 (2006.01), D21H 17/24 (2006.01), D21H 17/45 (2006.01), D21H 19/10 (2006.01), G03G 7/00 (2006.01)
Applicants: Nippon Paper Industries Co., Ltd. [JP/JP]; 1-4-1, Oji, Kita-ku, Tokyo 1140002 (JP) (For All Designated States Except US).
HARIMA CHEMICALS, INC. [JP/JP]; 671-4, Mizuashi, Noguchicho, Kakogawa-shi, Hyogo 6750019 (JP) (For All Designated States Except US).
ONO, Katsumasa [JP/JP]; (JP) (For US Only).
KUTSUWA, Koji [JP/JP]; (JP) (For US Only).
YOKOHARA, Tomohiro [JP/JP]; (JP) (For US Only).
NONOMURA, Fuminari [JP/JP]; (JP) (For US Only).
WATANABE, Masayuki [JP/JP]; (JP) (For US Only).
KOYAMOTO, Hiroshi [JP/JP]; (JP) (For US Only).
CHATANI, Akinobu [JP/JP]; (JP) (For US Only).
KIMURA, Yoshiharu [JP/JP]; (JP) (For US Only).
SEZAKI, Takao [JP/JP]; (JP) (For US Only)
Inventors: ONO, Katsumasa; (JP).
KUTSUWA, Koji; (JP).
YOKOHARA, Tomohiro; (JP).
NONOMURA, Fuminari; (JP).
WATANABE, Masayuki; (JP).
KOYAMOTO, Hiroshi; (JP).
CHATANI, Akinobu; (JP).
KIMURA, Yoshiharu; (JP).
SEZAKI, Takao; (JP)
Agent: KODAMA, Yoshihiro; Enju-ochanomizu Bldg. 3F. 17-2, Sotokanda 2-chome Chiyoda-ku, Tokyo 1010021 (JP)
Priority Data:
2006-017997 26.01.2006 JP
2006-050930 27.02.2006 JP
2006-050931 27.02.2006 JP
2006-064981 10.03.2006 JP
Title (EN) PAPER CONTAINING PREAGGREGATED FILLER AND PROCESS FOR PRODUCING THE SAME
(FR) PAPIER CONTENANT UNE CHARGE PREAGREGEE ET SON PROCEDE DE FABRICATION
(JA) 予備凝集填料を添加した紙とその製造方法
Abstract: front page image
(EN)A paper which contains a preaggregated filler having an average particle diameter as determined by laser diffractometry of 10-80 µm and obtained by treating a filler with a combined acrylamide copolymer comprising (A) an anionic polysaccharide and (B) a cationic and/or ampholytic acrylamide copolymer, in such an amount that the paper has an ash content of 3-40 wt.% on a solid basis. This paper is satisfactory in paper strength including strength and stiffness, has high smoothness, and attains excellent print quality.
(FR)L’invention concerne un papier contenant une charge préagrégée présentant un diamètre de particule moyen déterminé par diffractométrie laser compris entre 10 et 80 µm et obtenue en traitant une charge avec un copolymère acrylamide combiné comprenant (A) un polysaccharide anionique et (B) un copolymère acrylamide cationique et/ou ampholytique, en une quantité telle que le papier présente une teneur en cendres comprise entre 3 et 40 % en poids en termes de solides. Ce papier présente une résistance de papier satisfaisante, y compris une résistance et une rigidité, une homogénéité importante et permet d’obtenir une excellente qualité d’impression.
(JA)(A)アニオン性多糖類と、(B)カチオン性及び/又は両性アクリルアミド系共重合体とからなる複合化アクリルアミド系共重合体を用いて填料を処理して得られた、レーザー回折法による平均粒子径が10~80μmの予備凝集填料を含有し、紙中灰分が3~40固形分重量%になるよう調整することによって、強度や剛度などの紙力が良好で、平滑度が高く印刷品質に優れた紙を提供する。 
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LV, LY, MA, MD, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, SV, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (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, HU, IE, IS, IT, LT, LU, LV, MC, NL, PL, PT, RO, SE, SI, SK, 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)