Influence of Anodizing Process on Cohesive Property of Anodic Films on Aluminum Alloy with Rubber

摘要

The bonding properties between the solution polymerized styrene-butadiene rubber (SSBR) and 2A70 aluminum alloy with treatment of anodic oxidation by sulfuric acid or ethane acid were investigated. The influences of three treating methods were also studied. Two drying methods, which are vacuum method and normal pressure method affected on the properties of adhesive molecular immerging into the hole dispersing on the surface of aluminum alloy, were discussed. The results revealed that prolonging the time for anodic oxidation by both sulfuric acid and ethane acid can increase the thickness of the aluminum oxide layer.