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Significantly improving infrared light-induced shape recovery behavior of shape memory polymeric nanocomposite via a synergistic effect of carbon nanotube and boron nitride
Affiliation:1. Science and Technology on Advanced Composites in Special Environments Laboratory, Harbin Institute of Technology, Harbin 150080, China;2. School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore 639798, Singapore;3. Composite Material Research Laboratory, Department of Mechanical Engineering, University of New Orleans, LA 70148, USA;1. Science and Technology on Advanced Composites in Special Environments Laboratory, Harbin Institute of Technology, Harbin 150080, China;2. School of Mechanical and Aerospace Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore;3. Composite Material Research Laboratory, Department of Mechanical Engineering, University of New Orleans, LA 70148, USA;1. Department of Astronautical Science and Mechanics, Harbin Institute of Technology (HIT), P.O. Box 301, No. 92 West Dazhi Street, Harbin 150001, China;2. Centre for Composite Materials and Structures, Science Park of Harbin Institute of Technology (HIT), P.O. Box 3011, No. 2 YiKuang Street, Harbin 150080, China;1. Department of Organic and Nano System Engineering, Konkuk University, Seoul 143-701, Republic of Korea;2. School of Polymer Science and Engineering, Chonnam National University, Gwangju 500-757, Republic of Korea
Abstract:The present work studies the thermomechanical properties and infrared light-induced shape memory effect (SME) in shape memory polymer (SMP) nanocomposite incorporated with carbon nanotube (CNT) and boron nitride. The combination of CNT and boron nitride results in higher glass transition temperature, mechanical strength and thermomechanical strength. While CNTs are employed to improve the absorption of infrared light and thermally conductive property of SMP, boron nitrides facilitate heat transfer from CNTs to the polymer matrix and thus to enable fast response. A unique synergistic effect of CNT and boron nitride was explored to facilitate the heat transfer and accelerate the infrared light-induced shape recovery behavior of the shape memory polymeric nanocomposite.
Keywords:A. Polymer–matrix composites (PMCs)  A. Smart materials  B. Mechanical properties  B. Thermal properties
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