22-09-2022 дата публикации
Номер: US20220298301A1
To provide a fluorinated ether compound capable of forming a water and oil repellent layer with excellent abrasion resistance on a metal surface of a substrate, a composition, and an article provided with a water and oil repellent layer. 1. A fluorinated ether compound characterized by being represented by the formula (1-1):{'br': None, 'sup': f', '1', '1', '1', '11', '12, 'sub': m', 'j1', 'g11', 'g12, '[R—(OX)—O—]Y—Z[-L-S—R][R]\u2003\u2003(1-1)'}in the formula (1-1),{'sup': 'f', 'Ris a perfluoroalkyl group,'}X is a fluoroalkylene group having at least one fluorine atom,m is an integer of at least 2,{'sup': '1', 'Yis a single bond or a (j1+1) valent linking group,'}{'sup': '1', 'Zis a (g11+g12+1) valent linking group,'}{'sup': '1', 'Lis a single bond or a divalent linking group,'}{'sup': '11', 'Ris a hydrogen atom or a monovalent substituent,'}{'sup': '12', 'Ris a monovalent substituent,'}j1 is an integer of at least 1,g11 is an integer of at least 2, andg12 is an integer of at least 0.2. The fluorinated ether compound according to claim 1 , wherein g11 in the formula (1-1) is an integer of at least 3.3. A fluorinated ether compound characterized by being represented by the formula (1-2):{'br': None, 'sup': 21', '22', '21', '21', '21', '22', '22', '22', '23', '24, 'sub': g21', 'g22', 'm', 'g23', 'g24, '[R][R—S-L-]Z—Y—(OX)—O—Y—Z[-L-S—R][R]\u2003\u2003(1-2)'}in the formula (1-2),{'sup': 21', '24, 'Rand Rare each independently a monovalent substituent,'}{'sup': 22', '23, 'Rand Rare each independently a hydrogen atom or a monovalent substituent,'}{'sup': 21', '22, 'Land Lare each independently a single bond or a divalent linking group,'}{'sup': '21', 'Zis a (g21+g22+1) valent linking group,'}{'sup': '22', 'Zis a (g23+g24+1) valent linking group,'}{'sup': 21', '22, 'Yand Yare each independently a single bond or a divalent linking group,'}X is a fluoroalkylene group having at least one fluorine atom,m is an integer of at least 2,g21 and g24 are each independently an ...
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