Self-reinforced poly(ethylene terephthalate) composites by hot consolidation of Bi-component PET yarns |
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| Authors: | Jian Min Zhang Ton Peijs |
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| Affiliation: | 1. Queen Mary University of London, Centre for Materials Research, and School of Engineering and Materials Science, Mile End Road, London E1 4NS, UK;2. Eindhoven University of Technology, Eindhoven Polymer Laboratories, 5600 MB Eindhoven, Netherlands;1. Department of Materials Engineering, KU Leuven, Kasteelpark Arenberg 44, 3001 Leuven, Belgium;2. Composite Materials Research Laboratories, Toray Industries, Inc., 1515 Tsutsui Masaki-cho Iyogun, 791-3193 Ehime, Japan;3. Technical Center, Toray Carbon Fibers Europe S.A. (CFE), Route Départementale 817, 64170 Lacq, France;1. KTH, Department of Aeronautical and Vehicle Engineering, Stockholm, Sweden;2. Department of Engineering, University of Cambridge, Cambridge CB2 1PZ, UK;1. Division of Polymer-Nano & Textile Engineering, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonbuk 54896, Republic of Korea;2. Composite Materials Applications Research Center, Institute of Advanced Composite Materials, Korea Institute of Science and Technology (KIST), 92 Chudong-ro, Bongdong-eup, Wanju-gun, Jeonbuk 55324, Republic of Korea;3. Nam Jun Co., Ltd, 1302-67 Gangdong-ro, Haepyung-myun, Gumi-si, Gyungsangbuk-do 39155, Republic of Korea;4. Research & Development Division, Hyundai Motor Group, 37 Cheoldobangmulgwan-ro, Uiwang-si, Gyeonggi-do 16082, Republic of Korea;5. Advanced Engineering Team, Duckyang Ind. Co., Ltd, 105 Gwanggyo-ro, Suwon 16229, Republic of Korea |
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| Abstract: | Self-reinforced polymer composites or all-polymer composites have been developed to replace traditional glass-fibre-reinforced plastics (GFRP) with good lightweight, mechanical and interfacial properties and enhanced recyclability. Poly(ethylene terephthalate) (PET) is one of the most attractive polymers to be used in these fully recyclable all-polymer composites, in terms of cost and properties. In this work, unidirectional all-PET composites were prepared from skin–core structured bi-component PET multifilament yarns by a combined process of filament winding and hot-pressing. During hot-pressing, the thermoplastic copolyester skin or sheath layers were selectively melted to weld high-strength polyester cores together creating an all-PET composite. Physical properties of the resulting composites including thickness, density and void content were reported. The effect of processing parameters, i.e. consolidation temperature and pressure on mechanical properties and morphology was investigated in order to balance good interfacial adhesion with residual tensile properties of the composite. |
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