ALUMINUM-MADE FIN MATERIAL

• Main Authors: TSUNODA RYOSUKE, TATEYAMA KEITA
• Format: Patent
• Language: English; Japanese
• Published: 24.06.2021
• 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

To provide an aluminum-made fin material having a hydrophilic coating that maintains hydrophilicity for a long time while preventing the hydrophilicity from degrading with the attachment of a volatile organic compound to a fin surface.SOLUTION: An aluminum-made fin material has an aluminum plate, and a hydrophilic coating layer formed on the aluminum plate in the stated order. The hydrophilic coating layer comprises a resin composition comprising a resin A composed of a polymer or copolymer, and a Zr crosslinker. The polymer or copolymer of the resin A at least comprises a monomer having at least one group selected from the group consisting of a sulfonic acid group, an alkali metal salt group of sulfonic acid, and an ammonium salt group of sulfonic acid.SELECTED DRAWING: Figure 1 【課題】親水性が長期間維持されつつ、フィン表面への揮発性有機化合物の付着に伴う親水性の低下が抑制された親水性皮膜を備えるアルミニウム製フィン材を提供する。【解決手段】アルミニウム板と、前記アルミニウム板上に形成された親水性皮膜層と、をこの順に備え、前記親水性皮膜層は、重合体又は共重合体である樹脂Ａと、Ｚｒ系架橋剤と、を含む樹脂組成物からなり、前記樹脂Ａの重合体又は共重合体は、少なくとも、スルホン酸基、スルホン酸のアルカリ金属塩基、及びスルホン酸のアンモニウム塩基からなる群より選ばれる少なくとも一種の基を有する単量体から構成される、アルミニウム製フィン材。【選択図】図１