Measurement of interdiffusion in polymeric materials by applying Raman spectroscopy |
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| Institution: | 1. Materials Science and Testing of Polymers, Montanuniversitaet Leoben, Otto Gloeckel-Strasse 2, 8700 Leoben, Austria;2. Polymer Competence Center Leoben GmbH, Roseggerstrasse 12, 8700 Leoben, Austria;3. Polymer Processing, Montanuniversitaet Leoben, Otto Gloeckel-Strasse 2, 8700 Leoben, Austria;1. Dept. of Physics, Feroze Gandhi Institute of Engineering and Technology, Raebareli 229001, U.P, India;2. Dept. of Physics, Feroze Gandhi College, Raebareli 229001, U.P, India;1. Institute of Automation and Control Processes FEB RAS, 5 Radio St., Vladivostok 690041, Russia;2. Far Eastern Federal University, 8 Sukhanova Str., Vladivostok 690041, Russia;1. Department of Mechanical Engineering, Colorado State University, Fort Collins, CO 80523, United States;2. School of Advanced Materials Discovery, Colorado State University, Fort Collins, CO 80523, United States;3. Department of Chemistry, Colorado State University, Fort Collins, CO 80523, United States;4. Department of Materials Science and Engineering, University of Connecticut, Storrs, CT 06269-3136, United States;5. Institute of Materials Science, University of Connecticut, Storrs, CT 06269-3136, United States;1. Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima 739-8527, Japan;2. Department of Physics and Electronics, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan;3. Department of Applied Chemistry, Faculty of Engineering, Tokai University, 4-1-1 Kitakaname, Hiratsuka 259-1292, Japan |
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| Abstract: | Raman spectroscopy was evaluated regarding its specific value in terms of detection of interdiffusion in two-component injection molded parts. Two-component injection molded parts made of four material combinations chosen from polypropylene, styrene based thermoplastic elastomer, polycarbonate, polystyrene and polymethyl methacrylate produced by varying melt temperatures of the second component TM2 were investigated.In principle, Raman spectroscopy was found to be a powerful tool to detect interdiffusion. However, some restrictions arise. These include spatial resolution limit and detection limit. Interdiffusion lengths ranging from below 1 μm–3 μm were determined. Either an increase, a decrease or no change of the interdiffusion length for increasing TM2 was detected. The interdiffusion lengths were compared with the stress and elongation at break obtained by tensile tests. No distinct correlation of interdiffusion length and the mechanical properties was found. However, a high TM2 provoked an increase in the stress and elongation at break. |
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| Keywords: | Adhesion Diffusion Raman spectroscopy Interface |
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