Synthesis of H2Ti2O3·H2O nanotubes and their effects on the flame retardancy of bamboo fiber/high-density polyethylene composites |
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| Affiliation: | 1. School of Biological Science and Biotechnology, Minnan Normal University, Zhangzhou 363000, PR China;2. College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China;3. College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, PR China;1. Institute of Materials Science and Engineering, Taiyuan University of Science and Technology, Taiyuan 030024, China;2. State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, CAS, Taiyuan 030001, China;1. Department of Chemistry, Nankai University, Tianjin 300071, PR China;2. State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, PR China;1. College of Nursing, Washington State University, Spokane, Washington;2. Department of Radiology, School of Medicine, University of Washington, Seattle, Washington;3. Harborview Injury Prevention and Research Center, University of Washington, Seattle, Washington;4. Department of Anesthesiology and Pain Medicine, School of Medicine, University of Washington, Seattle, Washington;5. Department of Pediatrics, School of Medicine, University of Washington, Seattle, Washington;6. Department of Radiology and Imaging Sciences, Emory University School of Medicine, Atlanta, Georgia;7. Comparative Effectiveness, Cost and Outcomes Research Center, University of Washington, Seattle, Washington;8. Department of Health Service, University of Washington School of Public Health, Seattle, Washington;9. Department of Epidemiology, School of Public Health, University of Washington, Seattle, Washington;1. Analytical Laboratory of Advanced Ferroelectric Crystals, Jeonju University, Jeonju 55069, South Korea;2. Department of Science Education, Jeonju University, Jeonju 55069, South Korea;3. Western Seoul Center, Korea Basic Science Institute, Seoul 03759, South Korea |
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| Abstract: | H2Ti2O3·H2O nanotubes (TNTs) were prepared through hydrothermal synthesis and dispersed in bamboo fiber/HDPE (BH) composites to improve the flame retardancy of the composites. TEM observation showed that TiO2 particles were transformed into TNTs through hydrothermal treatment at 120 °C for 12 h in 8 M NaOH solution. Then, a cone calorimeter and a limiting oxygen index chamber were used to evaluate the effects of the TNTs on the flame retardancy of the BH composites. Results demonstrated that TNTs definitely improved the flame retardancy of BH composites by absorbing decomposition products from combustion due to its large specific area and tubular structure. Additionally, the TNTs reduced the free volume in the microzone, strengthened the molecular chain rigidity, and then contributed to the thermostability and flame retardancy of the BH composites. |
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| Keywords: | A Polymer-matrix composites (PMCs) A Natural fibers A Nanocomposites B Flame retardancy |
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