Flame retardant, antimicrobial, and mechanical properties of multifunctional polyurethane nanofibers containing tannic acid-coated reduced graphene oxide

Title
Flame retardant, antimicrobial, and mechanical properties of multifunctional polyurethane nanofibers containing tannic acid-coated reduced graphene oxide
Authors
정용채김재우김영오하유미김영남조준용박재은한학수이도창
Keywords
Nanofiber; Flame retardant; Antimicrobial; Reinforcing; Tannic acid
Issue Date
2021-01
Publisher
Polymer testing
Citation
VOL 93, 107006
Abstract
Graphene nanoparticles coated with tannic acid were synthesized as non-halogen flame retardants; further, these nanoparticles were electrospun with polyurethane to produce multifunctional composite nanofibers. The composite nanofibers showed improved flame retardant, antimicrobial, and mechanical properties with increasing amounts of bio-based, non-halogen flame retardant. For instance, at 5 wt% of flame retardant, the peak heat release rate was reduced from 340.75 to 235.23 W/g along with 500% and 135% improvement in the antimicrobial activity and Young's modulus, respectively, compared to neat polyurethane fibers. These multifunctional composite nanofibers have potential applications in various fields, such as automobile, construction, and biomedical device.
URI
http://pubs.kist.re.kr/handle/201004/72845
ISSN
0142-9418
Appears in Collections:
KIST Publication > Article
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