Journal of the Korean Wood Science and Technology

The Korean Society of Wood Science & Technology (한국목재공학회)
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Preparation of Flame Retardant and Antibacterial Wood with Composite Membrane Coating

  • XU, Jun-xian (Department of Wood Material Science and Engineering Key Laboratory, College of Materials Science and Engineering, Beihua University) ;
  • LIU, Yang (Department of Wood Material Science and Engineering Key Laboratory, College of Materials Science and Engineering, Beihua University) ;
  • WEN, Ming-yu (Department of Wood Material Science and Engineering Key Laboratory, College of Materials Science and Engineering, Beihua University) ;
  • PARK, Hee-Jun (Department of Housing Environmental Design, and Research Institute of Human Ecology, College of Human Ecology, Jeonbuk National University) ;
  • ZHU, Jia-zhi (Qingdao Water Consservancy Survey and Design Institute Co. Ltd.) ;
  • LIU, Yu-nan (Department of Furniture Design and Engineering, College of Chemistry and Materials, Zhejiang A&F University)
  • Received : 2021.08.30
  • Accepted : 2021.11.17
  • Published : 2021.11.25
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Abstract

A novel flame retardant and antibacterial composite membrane coating for wood surfaces was prepared by adding POSS-based phosphorous nitrogen flame retardant (later referred to as NH2-POSS) and silver nanoparticles (Ag NPs) to chitosan (CS). The effects of NH2-POSS content (mass fractions of CS 0%, 0.5%, 1%, 3%, 5%, and 7%) on the structure and properties of the composite membrane coating on wood were investigated. The composite film was prepared by the method of blending and ducting. Contact angle, tensile property and antibacterial effects of the composite film were measured, and infrared spectroscopy was used. The results show that the addition of NH2-POSS can not only improve the toughness of the membrane, but also the flame retardancy of the membrane, which improves the application of the membrane in wood products. However, with the addition of NH2-POSS, the transparency of the composite membrane was weakened. The inhibitory effect of the composite membrane on the growth of Escherichia coli was enhanced with the increase in Ag NPs. This research provides a foundation for the application of functional wood.

Keywords

Acknowledgement

The authors are grateful for the support of the National Natural Science Foundation of China (31700483), the excellent young talents project of the Department of Science and Technology of Jilin Province (20190103111JH) and the Youth Science and Technology Innovation Team Cultivation Program of Beihua University "Innovation Team of Wood Material Functional Modification" 2020. Also, we thank the "R&D Program for Forest Science Technology (Project No. 'FTIS 2020223A00-2122-AC02')" provided by the Korea Forest Service (Korea Forestry Promotion Institute) for its support.

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