Graphene-borate as an efficient fire retardant for cellulosic materials with multiple and synergetic modes of action

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dc.contributor.authorNine, M.
dc.contributor.authorTran, D.
dc.contributor.authorTung, T.
dc.contributor.authorKabiri, S.
dc.contributor.authorLosic, D.
dc.date.issued2017
dc.description.abstractTo address high fire risks of flamable cellulosic materials, that can trigger easy combustion, flame propagation, and release of toxic gases, we report a new fire-retardant approach using synergetic actions combining unique properties of reduced graphene oxide (rGO) and hydrated-sodium metaborates (SMB). The single-step treatment of cellulosic materials by a composite suspension of rGO/SMB was developed to create a barrier layer on sawdust surface providing highly effective fire retardant protection with multiple modes of action. These performances are designed considering synergy between properties of hydrated-SMB crystals working as chemical heat-sink to slow down the thermal degradation of the cellulosic particles and gas impermeable rGO layers that prevents access of oxygen and the release of toxic volatiles. The rGO outer layer also creates a thermal and physical barrier by donating carbon between the flame and unburnt wood particles. The fire-retardant performance of developed graphene-borate composite and mechanism of fire protection are demonstrated by testing of different forms of cellulosic materials such as pine sawdust, particle-board, and fiber-based structures. Results revealed their outstanding self-extinguishing behavior with significant resistance to release of toxic and flammable volatiles suggesting rGO/SMB to be suitable alternative to the conventional toxic halogenated flame-retardant materials.
dc.description.statementofresponsibilityMd J. Nine, Diana N. H. Tran, Tran Thanh Tung, Shervin Kabiri and Dusan Losic
dc.identifier.citationACS applied materials & interfaces, 2017; 9(11):10160-10168
dc.identifier.doi10.1021/acsami.7b00572
dc.identifier.issn1944-8244
dc.identifier.issn1944-8252
dc.identifier.orcidNine, M. [0000-0002-5740-8627]
dc.identifier.orcidTran, D. [0000-0002-4023-3373]
dc.identifier.orcidTung, T. [0000-0002-1535-5109]
dc.identifier.orcidKabiri, S. [0000-0002-2269-6075]
dc.identifier.orcidLosic, D. [0000-0002-1930-072X]
dc.identifier.urihttp://hdl.handle.net/2440/104949
dc.language.isoen
dc.publisherAmerican Chemical Society
dc.relation.granthttp://purl.org/au-research/grants/arc/IH150100003
dc.rightsCopyright © 2017 American Chemical Society
dc.source.urihttps://doi.org/10.1021/acsami.7b00572
dc.subjectborate
dc.subjectcellulosic materials
dc.subjectfire-retardants
dc.subjectgraphene
dc.titleGraphene-borate as an efficient fire retardant for cellulosic materials with multiple and synergetic modes of action
dc.typeJournal article
pubs.publication-statusPublished

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