Abstract: 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 A1-O—(Rf1O)m1-Q1-[C(O)N(R1)]p1—R11—C[—R12—SiR13n1X13-n1]3, wherein A1 is a C1-20 perfluoroalkyl group; Rf1 is a fluoroalkylene group having no branched structure; m1 is an integer from 2 to 210; Q1 is a single bond or a fluoroalkylene group having no branched structure; R1 is a hydrogen atom, etc.; p1 is 0 or 1; R11 is a single bond, an alkylene group, etc.; R12 is an alkylene group, etc.; R13 is a monovalent hydrocarbon group, etc.; X1 is a hydrolyzable group; and n1 is an integer of from 0 to 2.

Abstract: 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 A1-O—(Rf1O)m1-Q1-[C(O)N(R1)]p1—R11—C[—R12—SiR13n1X13-n1]3, wherein A1 is a C1-20 perfluoroalkyl group; Rf1 is a fluoroalkylene group having no branched structure; m1 is an integer from 2 to 210; Q1 is a single bond or a fluoroalkylene group having no branched structure; R1 is a hydrogen atom, etc.; p1 is 0 or 1; R11 is a single bond, an alkylene group, etc.; R12 is an alkylene group, etc.; R13 is a monovalent hydrocarbon group, etc.; X1 is a hydrolyzable group; and n1 is an integer of from 0 to 2.

Abstract: 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 A1-O—(Rf1O)m1Q1-[C(O)N(R1)]p1—R11—C[—R12—SiR13n1X13-n1]3, wherein A1 is a C1-20 perfluoroalkyl group; Rf1 is a fluoroalkylene group having no branched structure; m1 is an integer from 2 to 210; Q1 is a single bond or a fluoroalkylene group having no branched structure; R1 is a hydrogen atom, etc.; p1 is 0 or 1; R11 is a single bond, an alkylene group, etc.; R12 is an alkylene group, etc.; R13 is a monovalent hydrocarbon group, etc.; X1 is a hydrolyzable group; and n1 is an integer of from 0 to 2.

Abstract: 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 A1-O—(Rf1O)m1-Q1-[C(O)N(R1)]p1—R11—C[—R12—SiR13n1X13-n1]3, wherein A1 is a C1-20 perfluoroalkyl group; Rf1 is a fluoroalkylene group having no branched structure; m1 is an integer from 2 to 210; Q1 is a single bond or a fluoroalkylene group having no branched structure; R1 is a hydrogen atom, etc.; p1 is 0 or 1; R11 is a single bond, an alkylene group, etc.; R12 is an alkylene group, etc.; R13 is a monovalent hydrocarbon group, etc.; X1 is a hydrolyzable group; and n1 is an integer of from 0 to 2.

Abstract: The present invention provides: a fluorinated ether compound and a coating liquid capable of forming a surface layer excellent in water/oil repellency, abrasion resistance, fingerprint stain removability and lubricity and an article having a surface layer excellent in water/oil repellency, abrasion resistance, fingerprint stain removability and lubricity. Provided is a fluorinated ether compound represented by [Rf-G-]aZ[—(O—R2)c—SiR3nL3?n]b wherein Rf: a linear polyfluoroalkyl group having at least two carbon atoms, which has at least one etheric oxygen between carbon-carbon atoms, G: —R1—O—, —R1—CONH—, —CONH— or a single bond, R1: an alkylene group, Z: a hydrocarbon group having a valence of (a+b) or the like, R2: an alkylene group, R3: a monovalent hydrocarbon group or the like, L: a hydrolyzable group, n: from 0 to 2, a: an integer of at least 1, b: an integer of at least 1, (a+b): at least 3, when a is 1, b is at least 4, and when a is at least 2, b is at least 1, and c: 0 or 1.

Abstract: 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 A1—O—(Rf1O)m1-Q1[C(O)N(R1)]p1—R11C[—R12—SiR13n1X13-n1]3, wherein A1 is a C1-20 perfluoroalkyl group; Rf1 is a fluoroalkylene group having no branched structure; ml is an integer from 2 to 210; Q1 is a single bond or a fluoroalkylene group having no branched structure; R1 is a hydrogen atom, etc.; p1 is 0 or 1; R11 is a single bond, an alkylene group, etc.; R12 is an alkylene group, etc.; R13 is a monovalent hydrocarbon group, etc.; X1 is a hydrolyzable group; and n1 is an integer of from 0 to 2.

Abstract: 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 A1-O—(Rf1O)m1-Q1-[C(O)N(R1)]p1—R11—C[—R12—SiR13n1X13-n1]3, wherein A1 is a C1-20 perfluoroalkyl group; Rf1 is a fluoroalkylene group having no branched structure; m1 is an integer from 2 to 210; Q1 is a single bond or a fluoroalkylene group having no branched structure; R1 is a hydrogen atom, etc.; p1 is 0 or 1; R11 is a single bond, an alkylene group, etc.; R12 is an alkylene group, etc.; R13 is a monovalent hydrocarbon group, etc.; X1 is a hydrolyzable group; and n1 is an integer of from 0 to 2.

Abstract: To provide a fluorinated ether compound, a fluorinated ether composition and a coating liquid, capable of forming a surface layer excellent in water/oil repellency, abrasion resistance, fingerprint stain removability, lubricity, chemical resistance and light resistance, as well as an article having such a surface layer. A fluorinated ether compound represented by A1-O-Q1-(Rf11O)m1—Rf12—R11—N[—R12—SiR13n1X13-n1]2, wherein A1: C1-20 perfluoroalkyl group, Q1: single bond, fluoroalkylene group containing at least one hydrogen atom, etc., Rf11, Rf12: perfluoroalkylene group, m1: integer of from 2 to 200, R11: single bond, alkylene group, etc., R12: alkylene group, etc., R13: monovalent hydrocarbon group, etc., X1: hydrolyzable group, n1: integer of from 0 to 2.

Abstract: The present invention provides: a fluorinated ether compound and a coating liquid capable of forming a surface layer excellent in water/oil repellency, abrasion resistance, fingerprint stain removability and lubricity and an article having a surface layer excellent in water/oil repellency, abrasion resistance, fingerprint stain removability and lubricity. Provided is a fluorinated ether compound represented by [Rf-G-]aZ[-(O—R2)c—SiR3nL3-n]b wherein Rf: a linear polyfluoroalkyl group having at least two carbon atoms, which has at least one etheric oxygen between carbon-carbon atoms, G: —R1—O—, —R1—CONH—, —CONH— or a single bond, R1: an alkylene group, Z: a hydrocarbon group having a valence of (a+b) or the like, R2: an alkylene group, R3: a monovalent hydrocarbon group or the like, L: a hydrolyzable group, n: from 0 to 2, a: an integer of at least 1, b: an integer of at least 1, (a+b): at least 3, when a is 1, b is at least 4, and when a is at least 2, b is at least 1, and c: 0 or 1.

Abstract: 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 A1—O—(Rf1O)m1-Q1-[C(O)N(R1)]p1—R11—C[—R12—SiR13n1X13?n1]3, wherein A1 is a C1-20 perfluoroalkyl group; Rf1 is a fluoroalkylene group having no branched structure; m1 is an integer from 2 to 210; Q1 is a single bond or a fluoroalkylene group having no branched structure; R1 is a hydrogen atom, etc.; p1 is 0 or 1; R11 is a single bond, an alkylene group, etc.; R12 is an alkylene group, etc.; R13 is a monovalent hydrocarbon group, etc.; X1 is a hydrolyzable group; and n1 is an integer of from 0 to 2.

Abstract: To provide a fluorinated ether compound, a fluorinated ether composition and a coating liquid, capable of forming a surface layer excellent in water/oil repellency, abrasion resistance, fingerprint stain removability, lubricity, chemical resistance and light resistance, as well as an article having such a surface layer. A fluorinated ether compound represented by A1-O-Q1-(Rf11O)m1—Rf12—R11—N[—R12—SiR13n1X13-n1]2, wherein A1: C1-20 perfluoroalkyl group, Q1: single bond, fluoroalkylene group containing at least one hydrogen atom, etc., Rf11, Rf12: perfluoroalkylene group, m1: integer of from 2 to 200, R11: single bond, alkylene group, etc., R12: alkylene group, etc., R13: monovalent hydrocarbon group, etc., X1: hydrolyzable group, n1: integer of from 0 to 2.