申请人:Ouziel Philippe
公开号:US20070277328A1
公开(公告)日:2007-12-06
A reactive polysaccharide derivative of formula, [Z
1
-B—SO
2
—CH
2
—CH
2
—O]—PS—[OH]
m
(1), wherein B is a radical of formula (2
a
), (2
b
), (2
c
), (2
d
) or (2
e
), in which R
1
is hydrogen or C
1
-C
4
alkyl, R
2
is hydrogen, C
1
-C
4
alkyl unsubstituted or substituted by hydroxy, sulfo, sulfato, carboxy or R
3
by cyano, or a radical, (2
f
) R
3
is hydrogen, hydroxy, sulfo, sulfato, carboxy, cyano, halogen, C
1
-C
4
alkoxycarbonyl, C
1
-C
4
alkanoyloxy, carbamoyl or a group —SO
2
—Y, alk and alk
1
are each independently of the other linear or branched C
1
-C
6
alkylene, arylene is a phenylene or naphthylene radical unsubstituted or substituted by sulfo, carboxy, C
1
-C
4
alkyl, C
1
-C
4
alkoxy or by halogen, Q is a radical —O— or —NR
1
— wherein R
1
is as defined above, W is a group —SO
2
—NR
2
—, —CONR
2
— or —NR
2
CO— wherein R
2
is as defined above, Y is vinyl or a radical —CH
2
—CH
2
—U and U is a group removable under alkaline conditions, and k is a number 0 or 1, Z
1
is a reactive radical, PS corresponds to the backbone of the polysaccharide molecule apart from the hydroxyl groups, m is 0, 1 or an integer greater than 1, n is 1 or an integer greater than 1, and the sum of n+m corresponds to the original number of hydroxyl groups in the polysaccharide molecule, and wherein the asterisk in each of the radicals B of formulae (2
a
), (2
b
), (2
c
), (2
d
) and (2
e
) indicates the position which is bound to the sulfonyl group of the polysaccharide derivative of formula (1), is useful as a finishing agent for textile fibers and for other applications.