18-02-2021 дата публикации
Номер: US20210047540A1
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-O—(RO)Q-[C(O)N(R)]—R—C[—R—SiRX], wherein Ais a Cperfluoroalkyl group; Ris a fluoroalkylene group having no branched structure; m1 is an integer from 2 to 210; Qis a single bond or a fluoroalkylene group having no branched structure; Ris a hydrogen atom, etc.; p1 is 0 or 1; Ris a single bond, an alkylene group, etc.; Ris an alkylene group, etc.; Ris a monovalent hydrocarbon group, etc.; Xis a hydrolyzable group; and n1 is an integer of from 0 to 2. 1: A method for producing a compound represented by the following formula (17G) , by reacting a compound represented by the following formula (14) with HN—R—C(—R—CH═CH){'br': None, 'sup': 1', 'F1', '10, 'sub': 2', '2', '2', '2', 'x', '2, 'A-O—(CFCFO)(CFCFO)(RO)—CF—C(O)OR\u2003\u2003(14)'}{'br': None, 'sup': 1', 'F1', '11', '12′, 'sub': 2', '2', '2', '2', 'x', '2', '2', '3, 'A-O—(CFCFO)(CFCFO)(RO)—CF—C(O)NH—R—C(R—CH═CH)\u2003\u2003(17G)'}wherein{'sup': '1', 'sub': '1-20', 'Ais a Cperfluoroalkyl group,'}{'sup': 'F1', 'Ris a perfluoroalkylene group having no branched structure,'}x is an integer of from 1 to 198,{'sup': 11', '12′', '12′, 'sub': 2', '2, 'Ris a single bond, an alkylene group, an alkylene group having an etheric oxygen atom at its terminal (which is the terminal on the side bonded to C(—R—CH═CH), an alkylene group with at least two carbon atoms, having an etheric oxygen atom between its carbon-carbon atoms, or an alkylene group with at least two carbon atoms, having an etheric oxygen atom between its carbon-carbon atoms and at its terminal (which is the terminal on the side bonded to C(—R—CH═CH));'}{'sup': 12′', '12, 'sub': '2', 'R is a group having the carbon number ...
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