Aluminum Surface Treatment Method

• Main Authors: GUO TIE LONG, TAN YONGGANG
• Format: Patent
• Language: English; Korean
• Published: 20.05.2021
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; APPARATUS THEREFOR; CHEMISTRY; COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS; ELECTROFORMING; ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; INORGANIC CHEMISTRY; METALLURGY; PERFORMING OPERATIONS; PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Provided is a method for treating an aluminum surface for manufacturing a polymer-aluminum-metal bonded body having excellent bonding strength. The method for treating the aluminum surface for adhesive bonding with a polymer composite comprises: (a) a primary anodizing treatment step of treating oxidation anodizing of the aluminum surface; (b) a step of removing the first anodizing treated aluminum oxide film; and (c) a secondary anodizing treatment step of oxidation anodizing treating again the aluminum from which the primary anodizing treated aluminum oxide film has been removed. [과제]우수한 접합의 강도를 가진 폴리머 알루미늄 금속 접합체의 제조를 위한 알루미늄 표면 처리 방법을 제공한다. [해결방법]폴리머 복합재와의 접착 결합을 위한 알루미늄의 표면 처리 방법이며, (a) 알루미늄 표면을 산화 아노다이징 처리하는 1차 아노다이징 처리 단계; (b) 상기 1차 아노다이징 처리된 알루미늄 산화막을 제거하는 단계; 및 (c) 상기 1차 아노다이징 처리된 알루미늄 산화막이 제거된 알루미늄을 다시 산화 아노다이징 처리하는 2차 아노다이징 처리 단계를 포함하는 것을 특징으로 한다.