期刊
JOURNAL OF CLEANER PRODUCTION
卷 340, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2022.130781
关键词
Biocomposite; Lignocellulose; Flame retardant; Thermal conductivity
资金
- Human Resources Development of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant - Korea government Ministry of Trade, Industry and Energy [20204030200090]
- Competency Development Program for Industry Specialists of the Korean Ministry of Trade, Industry and Energy (MOTIE) [P0012453]
The study shows that PBS hybrid composites filled with a novel organic-inorganic hybrid filler exhibited significantly enhanced thermal conductivity and mechanical properties, indicating potential for expanding the applications of PBS-based materials.
While polybutylene succinate (PBS) has gained increasing interest following the recent shift from conventional polymers to biobased and biodegradable polymers, its high cost, high flammability, and low thermal conduc-tivity have limited its practical applications. In this study, PBS hybrid composites with improved heat dissipation capability and anti-dripping performance were fabricated by incorporating a novel organic-inorganic hybrid filler. The hybrid filler was fabricated by attaching silicon carbide particles to the surface of coffee husks treated with a flame retardant agent. Spectroscopic and morphological analyses confirmed that the hybrid filler was successfully fabricated. PBS composites filled with the hybrid filler exhibited better filler/matrix interfacial interaction, which resulted in a 250% enhancement on the thermal conductivity of the hybrid composite with the incorporation of small vol% of conductive SiC. They also showed superior mechanical properties: the tensile strength and Young's modulus were enhanced by 40% and 70%. During a burning test, the composite attained the UL-94 V-0 rating without any dripping and with surface char formation. Overall, the PBS hybrid composite showed promising properties that could potentially broaden the applications of PBS-based materials.
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