Patent ID: 7758656
Filing Date: 2010-07-20
Classification: D06M,Y10T

Abstract:
1. A method of preparing a treated textile, comprising steps of: (1) preparing a treatment liquid comprising a water- and oil-repellent agent, (2) adjusting pH of the treatment liquid to at most 7, (3) applying the treatment liquid to a textile, (4) subsequent to applying the treatment liquid, treating the textile with steam, and (5) washing the textile with water and dehydrating the textile, (I) a repeat unit derived from a monomer having a fluoroalkyl group, which is a (meth)acrylate ester of the formula: wherein Rf is a fluoroalkyl group having 3 to 21 carbon atoms, R (II) a repeat unit derived from a fluorine-free monomer, and (III) optionally present, a repeat unit derived from a crosslinkable monomer which is a fluorine-free vinyl monomer having at least two reactive groups.