ALUMINUM FIN MATERIAL FOR HEAT EXCHANGER

• Main Authors: TOYODA YUSUKE, HATTORI NOBUO, TATEYAMA KEITA
• Format: Patent
• Language: English; Japanese
• Published: 02.11.2015
• Subjects: BLASTING; 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 MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION; DIFFUSION TREATMENT OF METALLIC MATERIAL; HEAT EXCHANGE IN GENERAL; HEATING; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; LIGHTING; MECHANICAL ENGINEERING; METALLURGY; PERFORMING OPERATIONS; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; TRANSPORTING; WEAPONS

PROBLEM TO BE SOLVED: To provide an aluminum fin material for heat exchangers that can be produced in a method that does not impair productivity, and can inhibit the occurrence of unpleasant odor due to mold or bacteria with antibacterial and antifungal agent contained in a resin, and also with a high residual rate of the antibacterial and antifungal agent after film formation.SOLUTION: In the aluminum fin material for heat exchangers comprising an aluminum or aluminum-alloy base material, on at least one surface of which a corrosion resistant film is formed, the corrosion resistant film is composed of a resin composition including one or more corrosion resins selected form a group consisting of a polyester resin, a polyolefin resin, an epoxy resin, an acrylic resin, and an urethane resin, the adhesion rate of the corrosion resistant film is 0.01-8.0 g/m, and the corrosion resistant film contains silver or silver compound. 【課題】生産性を阻害しない方法で生産することが可能であり、防菌防黴剤を樹脂中に含有させ、さらに、成膜後の防菌防黴剤の残留率が高く、黴や細菌による不快臭の発生を防止することができる熱交換器用アルミニウムフィン材を提供する【解決手段】アルミニウムまたはアルミニウム合金よりなる基板と、前記基板の少なくとも一方の表面に耐食性皮膜が形成された熱交換器用アルミニウム製フィン材であって、前記耐食性皮膜が、ポリエステル系樹脂、ポリオレフィン系樹脂、エポキシ系樹脂、アクリル系樹脂およびウレタン系樹脂よりなる群から選択される１種以上の耐食性樹脂を含む樹脂組成物からなり、前記耐食性皮膜の付着量が０．０１〜８．０ｇ／ｍ２であり、前記耐食性皮膜が銀または銀化合物を含有することを特徴とする。【選択図】なし