COATING LIQUID FOR FORMING THERMAL DISCOLORATION PREVENTIVE FILM OF STAINLESS STEEL, AND METHOD FOR PREVENTING THERMAL DISCOLORATION OF STAINLESS STEEL

摘要

PROBLEM TO BE SOLVED: To provide a coating liquid capable of forming a thermal discoloration preventive film of stainless steel, which is excellent in water resistance, alkali resistance and heat resistance, on the surface of the stainless steel, and to provide a method capable of preventing the thermal discoloration of the stainless steel by using the coating liquid.;SOLUTION: The coating liquid for forming the thermal discoloration preventive film of stainless steel comprises one or two or more kinds of silicon component to be selected from a group of silicon alkoxide, silicon alkoxide hydrolysate, organoalkoxysilane, and organoalkoxysilane hydrolysate, zirconium component consisting of zirconium alkoxide and/or zirconium alkoxide hydrolysate, acid, water and organic solvent.;COPYRIGHT: (C)2008,JPO&INPIT