SURFACE TREATMENT AGENT FOR METAL MATERIAL AND PRODUCTION METHOD FOR SURFACE-TREATED METAL MATERIAL

• Main Authors: SHIMIZU DAISUKE, NAMAI YOSHIKAZU, KUDO EISUKE
• Format: Patent
• Language: English; Korean
• Published: 24.05.2016
• Subjects: ADHESIVES; APPARATUS THEREFOR; 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 BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR 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; ELECTROFORMING; ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; FILLING PASTES; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; INKS; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; PERFORMING OPERATIONS; POLISHES; PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; TRANSPORTING; USE OF MATERIALS THEREFOR; WOODSTAINS

본 발명은 방청유를 도유하지 않고 초기 방청성이 우수하고, 윤활성이 우수하고, 인산염계 화성 처리나 지르코늄계 화성 처리 등의 도장 하지 처리를 생략한 경우의 도막의 내식성 및 밀착성이 우수한 표면 처리 금속 재료를 제조할 수 있는 금속 재료용 표면 처리제를 제공한다. 본 발명의 금속 재료용 표면 처리제는, 지르코늄 화합물 (A) 와, 카르복실기 함유 비닐 모노머 유래의 반복 단위를 함유하는 카르복실기 함유 폴리머를 골격 내에 갖고, 또한, 산가가 5 ∼ 50 ㎎KOH/g 인 수성 에폭시 수지 (B) 와, 하이드록시카르복실산 (C) 를 함유한다. Provided is a surface treatment agent for a metal material with which it is possible to produce a surface-treated metal material that has excellent initial anti-rust properties without being coated with an anti-rust oil, excellent lubrication properties, and excellent anti-corrosion and adhesion properties in a coating film for which phosphate-based chemical conversion treatment, zirconium-based chemical conversion treatment, or other coating underlay processing is omitted. This surface treatment agent for a metal material contains: a zirconium compound (A); an aqueous epoxy resin (B) having in the skeleton thereof a carboxyl-group-containing polymer that includes a. repeated unit derived from a carboxyl-group-containing vinyl monomer, said aqueous epoxy resin also having an acid value of 5-50 mg KOH/g; and a hydroxycarboxylic acid (C).