D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
D21H 17/07 (2006.01) D21C 9/00 (2006.01) D21H 21/00 (2006.01)
Patent
CA 2191226
Cellulose pulp, which has a low tendency to give rise to static electricity when subjected to dry defibration and has retained its good wettability, is produced by adding an ammonium compound, which contains one quaternary nitrogen and one or two substituents, which contains a higher hydrocarbon group having 6-15 carbon atoms, and has an HLB value of 9-14 according to Davies, the quaternary nitrogen having been assigned the value +9.4, to wet or dry cellulose pulp in an amount of 0.1-5 kg/tonne of absolutely dry cellulose pulp.
Production d'une pâte cellulosique qui est peu susceptible d'engendrer de l'électricité statique lorsqu'elle est soumise au défibrage à sec, et qui conserve sa bonne mouillabilité, par adjonction à une pâte cellulosique sèche ou humide d'une quantité allant de 0,1 à 5 kg par tonne de pâte cellulosique absolument sèche, d'un composé d'ammonium renfermant un azote quaternaire et un ou deux substituants, contenant un groupe hydrocarboné supérieur ayant de 6 à 15 atomes de carbone, et présentant un équilibre hydrophile-lipophile compris entre 9 et 14 selon Davies, la valeur +9,4 étant affectée à l'azote quaternaire.
Ankarbratt Lisbeth
Malmborg Kerstin
Thebrin Ingmar
Wahlen Svante
Eka Chemicals Ab
Swabey Ogilvy Renault
LandOfFree
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