申请人:Acosta Jose Erick
公开号:US20070141363A1
公开(公告)日:2007-06-21
A polymer for imparting repellency and stain resistance to substrates is disclosed of Formula 1:
(W)
a
(R
2
)
b
—Si(R
1
)
2
—O—[Si(R
1
)
2
—O]
n
—[Si(W)
c
(R
1
)
d
(R
2
)
e
—O]
m
—Si(R
1
)
2
—(W)
f
(R
2
)
g
wherein: a, b, c, d, e, f and g are each independently 0 or 1, provided that (a+b) is 1, (f+g) is 1, and (c+d+e) is 2,
each R
1
is divalently a C
1
to C
8
alkyl,
each R
2
is independently H or C
1
to C
8
alkyl, optionally containing oxygen, nitrogen, or sulfur, or a combination thereof, n=0 to 500, m=1 to 100, each W is independently
(R
f
—X-A-X)
p
—Y
wherein:
R
f
is a straight or branched perfluoroalkyl group having from about 2 to about 20 carbon atoms, or a mixture thereof, which is optionally interrupted by at least one oxygen atom, each X is independently an organic divalent linking group having from about 1 to about 20 carbon atoms, optionally containing oxygen, nitrogen, or sulfur, or a combination thereof, A is a 1, 2, 3-triazole, p=0 to 2, and
Y is O, OR, N, NR or N(R)
2
wherein R is H or C
1
to C
20
alkyl, optionally containing oxygen, nitrogen, or sulfur, or a combination thereof.