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Analysis of the Coated Interface Using Fourier Transform Infrared Microspectroscopy

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Fourier transform infrared microspectroscopy was applied in order to analyze the interaction of the coated interface between two different polymers. The samples investigated were prepared by coating urethane paint on an ethylene-acrylic acid copolymer (EAA) and on an ethyleneethyl acrylate copolymer whose ethylester group had been partially hydrolyzed (EAA/EEA). It was demonstrated that a mixed phase was formed along the coated interface between the urethane paint and the EAA and between the paint and the EAA/EEA. The interaction between molecules of the polyurethane and the EAA was observed.

Keywords: Coated interface; FT-IR microspectroscopy; Mixed phase; Molecular interaction

Document Type: Research Article


Affiliations: 1: Polymer Research Laboratory, Idemitsu Petrochemical Co., Ltd., 1-1 Anegasaki-Kaigan, Ichihara, Chiba 299-01, Japan 2: Analytical Instruments Division, Nippon Bio-Rad Laboratories, 3-6 Kachidoki 5-chome, Chuo-ku, Tokyo 104, Japan 3: Department of Applied Chemistry, School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464, Japan

Publication date: December 1, 1992

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