FLUORINATED POLYETHER COMPOUND, LUBRICANT, LIQUID COMPOSITION AND ARTICLE

摘要

To provide a fluorinated polyether compound capable of forming a film excellent in lubricity, a lubricant and a liquid composition, as well as an article having a film excellent in lubricity, on a substrate. A fluorinated polyether compound represented by {X—O—[(CF2CF2O)a—(CF2CF2CF2CF2O)b]}m—Y—{[(OCF2CF2)c—(OCF2CF2CF2CF2)d]—O—Z}n is used. X is a group having a hydroxy group, a carboxy group, an ester group or an aryl group, Y is an (m+n) valent linking group, Z is a group having a haloalkyl group, each of m and n is an integer of from 1 to 10, m+n is an integer of from 2 to 20, and each of a, b, c and d is an integer of from 1 to 100.

主权项

1. A fluorinated polyether compound represented by the following formula (A):
{X—O—[(CF2CF2O)a—(CF2CF2CF2CF2O)b]}m—Y—{[(OCF2CF2)c—(OCF2CF2CF2CF2)d]—O—Z}n  (A) wherein X is a group having a hydroxy group, a carboxy group, an ester group or an aryl group, Y is an (m+n) valent linking group having no etheric oxygen atom at its terminals, Z is a group not having a hydroxy group, a carboxy group, an ester group or an aryl group, and having a haloalkyl group (provided that the halogen atom is a fluorine atom or a chlorine atom) or a haloalkyl group (provided that the halogen atom is a fluorine atom or a chlorine atom) having an etheric oxygen atom inserted between carbon-carbon atoms, m is an integer of from 1 to 10, n is an integer from 0 to 10, m+n is an integer of from 2 to 20, and a, b, c and d are each independently an integer of from 1 to 100, provided that the linking order of a number of (CF2CF2O) units and b number of (CF2CF2CF2CF2O) units in [(CF2CF2O)a—(CF2CF2CF2CF2O)b], and the linking order of c number of (OCF2CF2) units and d number of (OCF2CF2CF2CF2) units in [(OCF2CF2)c—(OCF2CF2CF2CF2)d], are not limited.