Daikin Industries, Ltd.

Osaka University

Shouta Shibutani

Yoshito Tanaka

Kenji Adachi

Shingo Okuno

Fumihiko Yamaguchi

Masahiro Higashi

Takashi Nomura

Tomohiro Yoshida

Akinari Sugiyama

Norimasa Uesugi

Yuko Shiotani

Masatoshi Nose

Kentarou Hiraga

Rena Inamasu

Sadahito Aoshima

A fluorine-containing copolymer represented by formula (1) or (2): where R, X, X, R, n, Rand Rare as defined herein. Also disclosed is a surface-treating agent containing the fluorine-containing copolymer, a curable composition containing the fluorine-containing copolymer or surface-treating agent and a matrix forming composition, a film formed from the surface-treating agent or curable composition, and an article including a substrate and a layer formed on a surface of the substrate from the surface-treating agent or curable composition.

Fluorine-containing copolymer

A fluoropolyether-containing compound of the following formula (1a): R—R—R—R(1a) wherein the symbols are as defined in the specification. Also disclosed is a fluoropolyether-containing compound of the following formula (1b): R—R—R—R(1b), as well as a method for producing a compound of the formula (A): FOC—R—R—COOR(A) wherein the symbols are as defined in the specification.

Fluoropolyether group containing compound and method for producing the same

A water repellent composition containing: (A) water repellent particles in which the number of surface alkyl groups on the water repellent particles is 600×10-50,000×10per 1 g of water repellent particles; (B) a water-repellent resin which is a polymer having a long-chain Chydrocarbon group; and (C) a liquid medium. The water-repellent particles preferably have an average primary particle size of 1-100 nm. Also disclosed is a method for treating a fiber using the water repellent composition, a method for producing a treated textile product, a film formed from the water repellent composition, and a textile product treated with a treatment liquid containing the water-repellent composition.

Water-repellent composition

Growing community of inventors

Osaka, Japan

Shouta Shibutani