| abstract |
(57) [Summary] [Objective] The present invention is useful as a stabilizer for emulsions, Also, by curing the coating layer of this on the substrate, A substrate having an oil and water repellent coating is provided, and the surfactant decomposes to be absent. The degradable surfactant is a liquid, fluorinated nonionic surfactant having at least one polyfluorinated aliphatic group that is both hydrophobic and oleophobic and is hydrolyzed. A degradable surfactant containing polyoxyalkylene whose hydrophobic portion is cleaved by or a fluorocarbylalkoxysilane having at least one hydrophilic group, and preferably two hydrophilic groups. In particular, the fluorocarbylalkoxysilane contains at least one polyfluorinated aliphatic group and at least one polyoxyalkylene group or other hydrophilic group, which fluorocarbylalkoxysilane is hydrolytically degradable. is there. |