D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
D21C 3/02 (2006.01) D21C 3/06 (2006.01) D21C 3/22 (2006.01)
Patent
CA 2377520
A digestion assistant for lignocelluloses, containing one or more members selected from among nonionic surfactants represented by general formula (1): wherein R1 is branched C4-C24 alkyl, m is such integers of 1 or above as to give an average of 4 to 20; A1 is C3-C4 alkylene; and n is such integers of 0 or above as to give an average of 0 to 15, with the proviso that when the average of n is 1 to 5, the moiety in square brackets takes a random or block bonding mode.
L'invention se rapporte à un auxiliaire de digestion pour lignocelluloses, qui contient au moins un composé sélectionné parmi des tensioactifs non ioniques représentés par la formule générale (1), dans laquelle R?1¿ est alkyle C¿4?-C¿24? ramifié, m est un entier supérieur ou égal à 1 qui est en moyenne compris entre 4 et 20; A?1¿ est alkylène C¿3?-C¿4?; et n est un entier supérieur ou égal à 0 qui est en moyenne compris entre 0 et 15, à condition que lorsque la moyenne de n est comprise entre 1 et 5, la fraction entre parenthèses adopte un mode de liaison en bloc ou aléatoire.
Maeda Hiroaki
Yano Kenichiro
Borden Ladner Gervais Llp
Oji Paper Co. Ltd.
Sanyo Chemical Industries Ltd.
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