Elastic, crosslinked poly(acrylic acid) filaments: nanocellulose reinforcement and graphene lubrication

Hybrid monofilaments of poly(acrylic acid) (PAA) and 1,6-hexanediol diglycidyl ether (16DGE), compounded with nanofibrillated cellulose (NFC) and graphene, were thermally crosslinked and subsequently spun from aqueous solution. Crosslinking, in the form of ester linkage formation, between PAA and 16...

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Bibliographic Details
Published in:RSC advances 2015-01, Vol.5 (130), p.107992-108001
Main Authors: Spoljaric, S., Salminen, A., Luong, N. D., Seppälä, J.
Format: Article
Language:English
Subjects:
Cellulose
Crosslinking
Elongation
Esters
Filaments
Graphene
Lubrication
Nanostructure
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Summary:Hybrid monofilaments of poly(acrylic acid) (PAA) and 1,6-hexanediol diglycidyl ether (16DGE), compounded with nanofibrillated cellulose (NFC) and graphene, were thermally crosslinked and subsequently spun from aqueous solution. Crosslinking, in the form of ester linkage formation, between PAA and 16DGE was successfully achieved via thermal induction. The monofilaments were elastic and flexible in nature, displaying remarkable elongation and work-to-break values (up to nine times higher than pure PAA–16DGE filaments). This unique behaviour derives from a synergy between the fillers; namely the reinforcing ability of cellulose nanofibrils and the lubricating effect of graphene.
ISSN:2046-2069
2046-2069
DOI:10.1039/C5RA24539G