A paint removal concept with side-chain liquid crystalline polymers as primer material |
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| Affiliation: | 1. Laboratory of Physical Chemistry and Colloid Science, Wageningen University, Dreijenplein 6, 6703 HB Wageningen, The Netherlands;2. Laboratory of Organic Chemistry, Wageningen University, Dreijenplein 8, 6703 HB Wageningen, The Netherlands;1. Max Planck Institute for Solid State Research, 70569, Stuttgart, Germany;2. Institut für Mikroelektronik Stuttgart (IMS CHIPS), 70569, Stuttgart, Germany;1. Department of Chemistry, Faculty of Arts and Science, Eastern Mediterranean University, Famagusta, N. Cyprus, Mersin 10, Turkey;2. Department of Chemical and Geological Sciences, University of Modena and Reggio Emilia, Via G. Campi, 183, 41100 Modena, Italy;3. Institute of Organic Synthesis and Photoreactivity (ISOF)—National Research Council of Italy (CNR); via Gobetti 101- 40129 Bologna, Italy;1. Faculty of Chemistry, Warsaw University, Pasteura 1, 02-093 Warsaw, Poland;2. Faculty of Chemistry, Warsaw University of Technology, Noakowskiego 3, 00-664 Warsaw, Poland;3. Faculty of Chemistry, Silesian University of Technology, Strzody 9, 44-100 Gliwice, Poland;4. Centre of Polymer and Carbon Materials, Polish Academy of Sciences, M. Curie Sklodowska 34, 41-819 Zabrze, Poland;1. Department of Chemistry and Biochemistry, Florida State University, 95 Chieftan Way, Tallahassee, FL 32306, USA;2. Department of Chemistry, Vinh University, 182 LeDuan Street, Vinh City, Viet Nam;3. National High Magnetic Field Laboratory, 1800 E Paul Dirac Dr, Tallahassee, FL 32310, USA;1. Institute for Advanced Materials, Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, 510006, PR China;2. School of Chmistry, Sun Yat-Sen University, Guangzhou, 510275, PR China;3. Guangdong Provincial Key Laboratory of Optical Information Materials and Technology & Institute of Electronic Paper Displays, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, 510006, PR China;4. Group Linear Conjugated Systems, Moltech-Anjou UMR CNRS 6200, University of Angers, 2 Bd Lavoisier, 49045, Angers, France;5. Laboratory of Solid State Microstructures, Nanjing University, Nanjing, 210093, PR China;6. Shenzhen Guohua Optoelectronics Tech. Co. Ltd., Shenzhen, 518110, PR China |
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| Abstract: | A new paint removal concept is introduced making use of a polymer primer layer with a sharp softening temperature. For this, a new class of side-chain liquid crystalline polymers with polar moieties in the backbone has been developed and studied in thin films. These polymers form lamellar-ordered mesophases and contain adhesion-enhancing moieties, which can provide protection against corrosion. Furthermore, the polymers possess phase transitions which are accompanied by drastic changes in the mechanical properties. When the viscosity of a primer film abruptly drops it will start to flow which makes it possible to remove the coating layer as an intact film, simply by pulling the coating off the primer layer. Since the various synthesised polymers all possess different transition temperatures, we can choose the most convenient polymer on the basis of the desired temperature dependence. |
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