Patent ID: 9388315
Filing Date: 2016-07-12
CPC Classification: C08G,C08L,C09D

Claim Text:
1. A fluorinated ether composition comprising at least two types of fluorinated ether compounds of formula (1) differing in group B, in a proportion of a group of formula (5-1) being from 90 to 95 mol % and a proportion of a group of formula (5-2) being from 5 to 10 mol % to the total amount of groups B present in the composition: in the formula (1), the symbols are as follows: A: a C R in the formula (2), the symbols are as follows: b, c, d and e: each independently an integer of at least 0, and b+c+d+e is from 5 to 150; and in the formula (2), the binding order of repeating units of (CF B: a group of formula (5-1), a group of formula (5-2), a group of formula (5-3) or a group of formula (5-4): in the formulae (5-1) to (5-4), the symbols are as follows; a: 0 or 1; X: F or CF L: an alkoxy group, a halogen atom, an acyl group, or an isocyanate group; R: a hydrogen atom or a monovalent hydrocarbon group; and m and n: m is an integer of from 1 to 3, n is an integer of from 0 to 2, and m+n=3.