METHOD FOR PRODUCING IRON RUST-REDUCING WATER-BASED RUSTPROOFING COATING

• Main Author: NOMURA EIJI
• Format: Patent
• Language: English
• Published: 01.09.2011
• Subjects: ADHESIVES; CHEMICAL PAINT OR INK REMOVERS; CHEMICAL SURFACE TREATMENT; CHEMISTRY; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; COATING MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; CORRECTING FLUIDS; DIFFUSION TREATMENT OF METALLIC MATERIAL; DYES; FILLING PASTES; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; INKS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25; NATURAL RESINS; NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; POLISHES; USE OF MATERIALS THEREFOR; WOODSTAINS

PROBLEM TO BE SOLVED: To provide an iron rust-reducing water-based rustproofing coating enabling coating operation without removing rust under development on a steel base material in coating the material. SOLUTION: The iron rust-reducing water-based rustproofing coating is provided, being obtained by blending an acrylic resin with a reducing phosphoric acid-based mineral acid and tannic acid. Using this coating, the reddish brown rust on steel is reduced and transformed into blackish rust. Besides, this coating also reacts with a steel base material to form a coating film of high adhesiveness thereon. COPYRIGHT: (C)2011,JPO&INPIT