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Preparation of PVOH coatings with graphene nanoplatelets for electrostatic discharge protective packaging
Affiliation:1. University of South Florida Morsani College of Medicine, 12901 Bruce B Downs Blvd, Tampa, FL 33612, USA;2. Department of Orthopaedic Surgery, University of Rochester School of Medicine and Dentistry, Rochester, NY 14642, USA;1. ENEA, UT-FUS, Via E. Fermi 45, Frascati, Italy;2. ASG Superconductors, Corso Perrone 73 r, Genova, Italy;3. JT-60SA European Home Team, 85748 Garching bei Munchen, Germany;1. State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Dongchuan Road No. 800, Shanghai 200240, China;2. Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration, Shanghai Jiao Tong University, China;3. University of Michigan-Shanghai Jiao Tong University Joint Institute, China;1. College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China;2. College of Forestry, Henan Agricultural University, Zhengzhou 450002, China;3. Key Laboratory of Wood Material Science and Application (Beijing Forestry University), Ministry of Education, Beijing 100083, China;4. Shandong Laboratory of Yantai Advanced Material and Green Manufacture, Yantai 264006, China;1. School of Materials Science and Engineering, University of Jinan, Jinan, 250022, People''s Republic of China;2. Shandong Provincial Key Laboratory of Preparation and Measurement of Building Materials, University of Jinan, 250022, People''s Republic of China;1. Department of Chemical Engineering, University of Waterloo, 200 University Avenue West, Waterloo, ON N2L 3G1, Canada;2. Waterloo Institute for Nanotechnology, University of Waterloo, 200 University Avenue West, Waterloo, ON N2L 3G1, Canada;3. Department of Mechanical and Mechatronics Engineering, University of Waterloo, 200 University Avenue West, Waterloo, ON N2L 3G1, Canada;4. Center for Advanced Materials Joining, University of Waterloo, 200 University Avenue West, Waterloo, ON N2L 3G1, Canada
Abstract:This study investigated the use of graphene nanoplatelets (GNP) as a conductive filler for electrostatic discharge (ESD) protective packaging. Various weight concentrations of GNP were mixed and sonicated with polyvinyl alcohol (PVOH). The resulting polymer solution was applied as a coating to corrugated board in order to form an ESD packaging. Surface resistivity, mechanical strength and coating adhesion were then measured. The study found that the electrical percolation threshold of the PVOH/GNP coating is 9–13wt% GNP. GNP incorporated PVOH coatings with surface resistivity of 103–108 Ω/sq. generally meet all of ESD packaging requirements. The humidity strongly affects the surface resistivity of the coatings below the percolation threshold, but the change of the surface resistivity with humidity is less significant above the percolation threshold.
Keywords:Corrugated board  Electrostatic discharge (ESD)  Graphene nanoplatelets(GNP)  ESD protective packaging  Polyvinyl alcohol (PVOH) coating  Surface resistivity
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