Fluorinated ether compound, fluorinated ether composition, coating liquid and article
To provide a fluorinated ether compound, a fluorinated ether composition and a coating liquid that are able to form a surface layer which is excellent in water/oil repellency, abrasion resistance, fingerprint stain removability, lubricity and outer appearance, and an article having such a surface layer. A fluorinated ether compound represented by A 1 -O—(R f1 O) m1 -Q 1 -[C(O)N(R 1 )] p1 —R 11 —C[—R 12 —SiR 13 n1 X 1 3-n1 ] 3 , wherein A 1 is a C 1-20 perfluoroalkyl group; R f1 is a fluoroalkylene group having no branched structure; m1 is an integer from 2 to 210; Q 1 is a single bond or a fluoroalkylene group having no branched structure; R 1 is a hydrogen atom, etc.; p1 is 0 or 1; R 11 is a single bond, an alkylene group, etc.; R 12 is an alkylene group, etc.; R 13 is a monovalent hydrocarbon group, etc.; X 1 is a hydrolyzable group; and n1 is an integer of from 0 to 2.
1. A fluorinated ether compound represented by formula (1):
A 1 -O—(R f1 O) m1 -Q 1 -[C(O)N(R 1 )] p1 —R 11 —C[—R 12 —SiR 13 n1 X 1 3-n1 ] 3 (1)
wherein
A 1 is a C 1-3 perfluoroalkyl group,
R f1 is a fluoroalkylene group,
m1 is an integer of from 2 to 210,
(R f1 O) m1 is optionally one composed of at least two types of R f1 O,
Q 1 is a single bond or a fluoroalkylene group,
R 1 is a hydrogen atom,
p1 is 1,
R 11 is a C 1-2 alkylene group,
R 12 is a C 1-10 alkylene group,
R 13 is a hydrogen atom or a monovalent hydrocarbon group,
X 1 is a hydrolyzable group,
n1 is an integer of from 0 to 2, and
three [—R 12 —SiR 13 n1 X 1 3-n1 ] are optionally not all the same group.
2. The fluorinated ether compound according to claim 1 , wherein X 1 is an alkoxy group, a halogen atom, an acyl group, or an isocyanate group.
3. The fluorinated ether compound according to claim 1 , wherein Q 1 is a fluoroalkylene group derived from R f1 .
4. A surface treating agent comprising: a fluorinated ether compound as defined in claim 1 ; and a liquid medium.
5. An article having a surface layer which is formed from the surface treating agent as defined in claim 4 .
6. The fluorinated ether compound according to claim 1 , wherein n1 is 0.
7. The fluorinated ether compound according to claim 1 , wherein R 11 is dimethylene.
8. The fluorinated ether compound according to claim 2 , wherein n1 is 0.
9. The fluorinated ether compound according to claim 2 , wherein R 11 is dimethylene.
10. The fluorinated ether compound according to claim 8 , wherein R 11 is dimethylene.
11. A surface treating agent comprising: a fluorinated ether compound as defined in claim 2 ; and a liquid medium.
12. An article having a surface layer which is formed from the surface treating agent as defined in claim 11 .
13. A surface treating agent comprising: a fluorinated ether compound as defined in claim 6 ; and a liquid medium.
14. An article having a surface layer which is formed from the surface treating agent as defined in claim 13 .
15. A surface treating agent comprising: a fluorinated ether compound as defined in claim 7 ; and a liquid medium.
16. An article having a surface layer which is formed from the surface treating agent as defined in claim 15 .
17. A surface treating agent comprising: a fluorinated ether compound as defined in claim 8 ; and a liquid medium.
18. An article having a surface layer which is formed from the surface treating agent as defined in claim 17 .
19. A surface treating agent comprising: a fluorinated ether compound as defined in claim 9 ; and a liquid medium.
20. An article having a surface layer which is formed from the surface treating agent as defined in claim 19 .