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1. (WO2001032800) AQUEOUS DISPERSION FOR WATER-AND-OIL REPELLANT AND PROCESS FOR PRODUCING THE SAME

Pub. No.:    WO/2001/032800    International Application No.:    PCT/JP2000/007517
Publication Date: Fri May 11 01:59:59 CEST 2001 International Filing Date: Fri Oct 27 01:59:59 CEST 2000
IPC: C08F 2/24
C08F 220/24
D06M 15/277
D06M 15/53
D06M 23/10
Applicants: ASAHI GLASS COMPANY, LIMITED

MAEKAWA, Takashige

OHARU, Kazuya

SUGIMOTO, Shuichiro

Inventors: MAEKAWA, Takashige

OHARU, Kazuya

SUGIMOTO, Shuichiro

Title: AQUEOUS DISPERSION FOR WATER-AND-OIL REPELLANT AND PROCESS FOR PRODUCING THE SAME
Abstract:
An aqueous dispersion for water-and-oil repellants which is excellent in water-and-oil repellency and waterdrop repellency and has excellent dispersion stability even when the processing bath further contains a chemical or an impurity is present therein. The process comprises: emulsifying under pressure a starting-material composition comprising one or more polymerizable monomers comprising as an essential ingredient a (meth)acrylate having a polyfluoroalkyl group, a nonfluorinated surfactant containing no aromatic groups, water, and a solvent having a viscosity at 25°C of 3 cP or higher; and then polymerizing the emulsified monomers. The aqueous dispersion is obtained by the process.