To provide a fluorinated ether compound, a fluorinated ether composition and a coating liquid capable of forming a surface layer excellent in initial water/oil repellency, fingerprint stain removability, abrasion resistance, light resistance and chemical resistance, an article having a surface layer, and a method for producing it.
A fluorinated ether compound represented by A-O—(R
f1
O)
m
—R
f2
—SO
2
N(R
1
)(R
2
), wherein A is a C
1-20
perfluoroalkyl group, R
f1
is a fluoroalkylene group, m is an integer of from 2 to 500, R
f2
is a fluoroalkylene group, R
1
is a monovalent organic group having at least one hydrolyzable silyl group, R
2
is a hydrogen atom, a monovalent organic group or a monovalent organic group having at least one hydrolyzable group, and the total number of the hydrolyzable silyl group(s) in R
1
and the hydrolyzable group(s) in R
2
is at least 2.
提供一种
氟化醚化合物、
氟化醚组合物和涂层液,能够形成具有良好的初始
水/油抗污性、指纹去除性、耐磨性、耐光性和
化学性能的表面层,以及具有表面层的物品和其生产方法。一种由A-O—(Rf1O)m—Rf2—SO2N(R1)(R2)表示的
氟化醚化合物,其中A是C1-20
全氟烷基基团,Rf1是氟烷基烯基团,m为2到500的整数,Rf2是氟烷基烯基团,R1是具有至少一个可
水解
硅基团的一价有机基团,R2是氢原子、一价有机基团或具有至少一个可
水解基团的一价有机基团,R1中的可
水解
硅基团和R2中的可
水解基团的总数至少为2。