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http://dx.doi.org/10.5012/bkcs.2007.28.2.188

Influence of Surface Treatment of Polyimide Film on Adhesion Enhancement between Polyimide and Metal Films  

Park, Soo-Jin (Department of Chemistry, Inha University)
Lee, Eun-Jung (Department of Chemistry, Chungbuk National University)
Kwon, Soo-Han (Department of Chemistry, Chungbuk National University)
Publication Information
Bulletin of the Korean Chemical Society / v.28, no.2, 2007 , pp. 188-192 More about this Journal
Abstract
In this work, the effects of chemical treatment of polyimide films were studied by FT-IR, X-ray photoelectron spectroscopy (XPS), atomic force microscopy (AFM) and contact angles. The adhesion characteristics of the films were also investigated in the peel strengths of polyimide/aluminum films. The increases of surface functional groups of KOH-treated polyimide films were greatly correlated with the polar component of surface free energy. The peel strength of polyimides to metal substrate was also greatly enhanced by increasing the KOH treatment time, which can be attributed to the formation of polar functional groups on the polyimide surfaces, resulting in enhancement of the work of adhesion between polymer film and metal plate.
Keywords
Polyimide; Chemical treatment; Adhesion characteristics; T-peel test;
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