Fire Retardancy, Water Absorption, and Viscoelasticity of Borated Wood—Polycarbonate Biocomposites

Demand for high-performance biocomposites is increasing due to their ease of processing, low environmental impact, and in-service performance. This study investigated the effect of boric acid modification of wood flour on polycarbonate (PC) wood composites’ thermal stability, fire retardancy, water...

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Bibliographic Details
Published in:Polymers 2021-07, Vol.13 (14), p.2234
Main Authors: Zhang, Jingfa, Koubaa, Ahmed, Xing, Dan, Godard, François, Li, Peng, Tao, Yubo, Wang, Xiang-Ming, Wang, Haigang
Format: Article
Language:English
Subjects:
Acids
Biomedical materials
Cellulose
Creep (materials)
Environmental impact
Flour
Heat
Hydroxyl groups
Laboratories
Lignocellulose
Mechanical properties
Polycarbonate resins
Polymer matrix composites
Polymers
Thermal stability
Viscoelasticity
Water absorption
Wood
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Summary:Demand for high-performance biocomposites is increasing due to their ease of processing, low environmental impact, and in-service performance. This study investigated the effect of boric acid modification of wood flour on polycarbonate (PC) wood composites’ thermal stability, fire retardancy, water absorption, and creep behavior. The composites’ fire retardancy increased with increasing wood flour content, and their char residue increased by 102.3% compared to that of pure PC. However, the water absorption of the resulting composites increased due to the hydroxyl groups of the wood flour. Wood flour also improved the composites’ anti-creep properties. The excellent fire retardancy and anti-creep properties of wood–PC composites expand their use in the construction sector.
ISSN:2073-4360
2073-4360
DOI:10.3390/polym13142234