POWDER LAYER COMPOSITE, COATING FILM, POWDER COATING METHOD, AND POWDER COATING APPARATUS

• Main Authors: OKOCHI MOTOHIRO, HORIKAWA AKIHIRO, KOJIMA TOSHIYUKI
• Format: Patent
• Language: English; Japanese
• Published: 29.03.2022
• Subjects: ADHESIVES; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; CORRECTING FLUIDS; CRUSHING, PULVERISING, OR DISINTEGRATING; CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; DYES; FILLING PASTES; INKS; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; METALLURGY; MILLING GRAIN; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; PERFORMING OPERATIONS; POLISHES; PREPARATORY TREATMENT OF GRAIN FOR MILLING; PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL; SPRAYING OR ATOMISING IN GENERAL; TRANSPORTING; USE OF MATERIALS THEREFOR; WOODSTAINS

To provide a powder layer composite capable of forming a high-quality coating film even when particulate powder is used.SOLUTION: A powder layer composite 100 includes a base 1 and a powder layer 5 having a thickness of 100 μm or less and disposed on the base 1. In any region of 20 mm×20 mm on a surface of the powder layer 5, the number of powder aggregates having a long diameter of 500 μm or greater and the number of pinholes having a long diameter of 500 μm or greater total 0.2/cm2 or less on average.SELECTED DRAWING: Figure 2 【課題】微粒子の粉末を用いた場合でも、高品質な塗膜を形成可能な粉体層複合体を提供する。【解決手段】粉体層複合体１００は、基材１と、基材１上に形成された膜厚が１００μｍ以下の粉体層５と、を備える。粉体層５表面の任意の２０ｍｍ×２０ｍｍの領域において、長径５００μｍ以上の粉体凝集物の個数及び長径５００μｍ以上のピンホールの個数の合計値の平均が、０．２個／ｃｍ２以下である。【選択図】図２