US Patent 11486088 Anti-staining resin, anti-staining fabric and fabricating method thereof

An anti-staining fabric includes a base cloth and an anti-staining resin. The anti-staining resin is disposed on the base cloth, in which a method of fabricating the anti-staining resin includes the following steps. A first thermal process is performed to mix a polyol, a cross-linking agent, and a choline to form a first mixture, in which a reaction temperature of the first thermal process is between 90° C. and 120° C. A second thermal process is performed to mix the first mixture and a chain extender to form the anti-staining resin, in which the chain extender includes a first reagent and a second reagent, and a reaction temperature of the second thermal process is between 120° C. and 150° C.