EP 1963575 B1 20140604 - SIZING OF PAPER
Title (en)
SIZING OF PAPER
Title (de)
VERFAHREN ZUM LEIMEN VON PAPIER
Title (fr)
COLLAGE DE PAPIER
Publication
Application
Priority
- SE 2006050506 W 20061124
- EP 05112656 A 20051221
- EP 06824575 A 20061124
Abstract (en)
[origin: WO2007073321A1] The invention relates to an aqueous dispersion of cellulose-reactive sizing agent containing an acid anhydride, an anionic polyelectrolyte and a nitrogen-containing organic compound which is an amine or quaternary ammonium thereof having a molecular weight less than 180 and/or having one or more hydroxyl groups. The invention further relates to a method for the preparation of an aqueous dispersion of cellulose-reactive sizing agent which comprises dispersing an acid anhydride in an aqueous phase in the presence of an anionic polyelectrolyte and a nitrogen-containing organic compound which is an amine or quaternary ammonium thereof having a molecular weight less than 180 and/or having one or more hydroxyl groups. The invention also relates to the use of the aqueous dispersion of cellulose-reactive sizing agent as a stock sizing agent or surface sizing agent in the production of paper. The invention further relates to a process for the production of paper which comprises adding the aqueous dispersion of cellulose-reactive sizing agent to an aqueous cellulosic suspension.
IPC 8 full level
D21H 21/16 (2006.01)
CPC (source: EP KR)
D21H 21/00 (2013.01 - KR); D21H 21/16 (2013.01 - EP KR); D21H 17/07 (2013.01 - EP); D21H 17/45 (2013.01 - EP); D21H 17/56 (2013.01 - EP); D21H 17/68 (2013.01 - EP); D21H 23/04 (2013.01 - EP); D21H 23/22 (2013.01 - EP)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2007073321 A1 20070628; AR 058371 A1 20080130; AU 2006327338 A1 20070628; AU 2006327338 B2 20110623; BR PI0620351 A2 20111108; BR PI0620351 B1 20180214; CA 2634697 A1 20070628; CA 2634697 C 20140415; CN 101346513 A 20090114; CN 101346513 B 20120523; EP 1963575 A1 20080903; EP 1963575 B1 20140604; JP 2009521610 A 20090604; JP 5363114 B2 20131211; KR 101257451 B1 20130423; KR 20080083144 A 20080916; MY 146790 A 20120928; NO 20082691 L 20080721; RU 2008129682 A 20100127; RU 2429323 C2 20110920; TW 200736463 A 20071001; TW I321178 B 20100301; ZA 200806278 B 20090429
DOCDB simple family (application)
SE 2006050506 W 20061124; AR P060105578 A 20061218; AU 2006327338 A 20061124; BR PI0620351 A 20061124; CA 2634697 A 20061124; CN 200680048955 A 20061124; EP 06824575 A 20061124; JP 2008547179 A 20061124; KR 20087016851 A 20061124; MY PI20082206 A 20061124; NO 20082691 A 20080611; RU 2008129682 A 20061124; TW 95147418 A 20061218; ZA 200806278 A 20080718