[Aluminum Surface Treatment Problem Solving Case] Base for Aluminum Resin Composite Materials

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last updated：Oct 07, 2020

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More than twice the adhesive strength of conventional products! RoHS compliant and no time limit for adhesion.

The aluminum-resin bonding system is often used for applications such as weight reduction, improvement of joint strength and reliability, increased productivity, and cost reduction. As surface treatment, various chemical treatments and anodizing (alumite treatment) have been commonly performed. In recent years, there has been a growing demand for these surface treatment technologies to improve the reliability of composite materials, diversify materials combined with aluminum, and reduce the environmental impact of the adhesive process. Therefore, we applied the anodizing treatment "TAF AD" for adhesive bonding to the surface of the parts. As a result, not only was the adhesive bonding strength improved, but bonding can also be achieved without the use of adhesives (primers) even in cases where adhesives were previously used. [Challenges and Background] ■ Adhesive bonding is increasing due to demands for weight reduction, energy saving, automation, shortening of processes, and rapid bonding. ■ There is a growing demand for improving the reliability of composite materials, diversifying materials combined with aluminum, and reducing the environmental impact of the adhesive process. *For more details, please refer to the PDF document or feel free to contact us.

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【Solution】 ■ By applying the anodizing treatment "TAF AD" to the surface of the parts, it is possible to improve adhesive strength. 【Effect】 ■ Not only is the adhesive bonding strength improved, but it is also possible to bond without using adhesive (primer) even in cases where adhesive was previously used. ■ Additionally, while it is usually necessary to perform the bonding process within a few days after anodizing treatment, the "TAF AD" treatment has long-term stability as a substrate, eliminating time constraints before the bonding process. This increases flexibility in production planning and is expected to improve production efficiency (i.e., cost reduction). * For more details, please refer to the PDF document or feel free to contact us.