Bimetallic metal-organic frameworks and graphene oxide nano-hybrids for enhanced fire retardant epoxy composites: A novel carbonization mechanism
The fire retarded intumescent epoxy resin (EP) composites were fabricated with the incorporation of bimetallic metal-organic framework (MOF) and graphene oxide (GO) nano-hybrids (MOF@GO) with intumescent fire retardants (IFR). EP/0.5MOF@GO-9.5IFR composite exhibited a 41% decrease in peak heat relea...
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| Veröffentlicht in: | Carbon (New York) 2019-11, Vol.153, p.407-416 |
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| creator | Zhang, Jing Li, Zhi Zhang, Lu García Molleja, Javier Wang, De-Yi |
| description | The fire retarded intumescent epoxy resin (EP) composites were fabricated with the incorporation of bimetallic metal-organic framework (MOF) and graphene oxide (GO) nano-hybrids (MOF@GO) with intumescent fire retardants (IFR). EP/0.5MOF@GO-9.5IFR composite exhibited a 41% decrease in peak heat release rate, 30% decrease in total smoke production compared to reference sample EP/10IFR. According to in-situ morphology observation and X-ray tomography result, we observed such a novel carbonization phenomenon forming an alternately loose and accumulated structure. The further carbonaceous char analysis indicated the formation of a reinforced structure with fewer pores and excellent insulated property. Temperature test revealed that the synergistic effect between MOF@GO and IFR promoted the construction of the insulated carbonaceous char, which can maintain its temperature at around 400 °C, thus providing sufficient time to build up the alternative reinforced char. Besides, the mechanical property of EP composite was also improved with a 11% increase in the tensile strength compared with that of EP/10IFR. In perspective, the observed carbonization phenomenon opens a window for understanding the mechanism for intumescent fire retardants.
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| doi_str_mv | 10.1016/j.carbon.2019.07.003 |
| format | Article |
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[Display omitted]</description><identifier>ISSN: 0008-6223</identifier><identifier>EISSN: 1873-3891</identifier><identifier>DOI: 10.1016/j.carbon.2019.07.003</identifier><language>eng</language><publisher>New York: Elsevier Ltd</publisher><subject>Bimetals ; Carbonization ; Composite materials ; Epoxy resins ; Fire prevention ; Fires ; Flame retardants ; Graphene ; Heat release rate ; Metal-organic frameworks ; Morphology ; Polymer matrix composites ; Synergistic effect</subject><ispartof>Carbon (New York), 2019-11, Vol.153, p.407-416</ispartof><rights>2019 Elsevier Ltd</rights><rights>Copyright Elsevier BV Nov 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c264t-796e1eb6bbb1fdbca4f92755f0d26e572c2642b125ec3dc641b58cdef21cc8543</citedby><cites>FETCH-LOGICAL-c264t-796e1eb6bbb1fdbca4f92755f0d26e572c2642b125ec3dc641b58cdef21cc8543</cites><orcidid>0000-0002-0499-6138</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0008622319306906$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Zhang, Jing</creatorcontrib><creatorcontrib>Li, Zhi</creatorcontrib><creatorcontrib>Zhang, Lu</creatorcontrib><creatorcontrib>García Molleja, Javier</creatorcontrib><creatorcontrib>Wang, De-Yi</creatorcontrib><title>Bimetallic metal-organic frameworks and graphene oxide nano-hybrids for enhanced fire retardant epoxy composites: A novel carbonization mechanism</title><title>Carbon (New York)</title><description>The fire retarded intumescent epoxy resin (EP) composites were fabricated with the incorporation of bimetallic metal-organic framework (MOF) and graphene oxide (GO) nano-hybrids (MOF@GO) with intumescent fire retardants (IFR). EP/0.5MOF@GO-9.5IFR composite exhibited a 41% decrease in peak heat release rate, 30% decrease in total smoke production compared to reference sample EP/10IFR. According to in-situ morphology observation and X-ray tomography result, we observed such a novel carbonization phenomenon forming an alternately loose and accumulated structure. The further carbonaceous char analysis indicated the formation of a reinforced structure with fewer pores and excellent insulated property. Temperature test revealed that the synergistic effect between MOF@GO and IFR promoted the construction of the insulated carbonaceous char, which can maintain its temperature at around 400 °C, thus providing sufficient time to build up the alternative reinforced char. Besides, the mechanical property of EP composite was also improved with a 11% increase in the tensile strength compared with that of EP/10IFR. In perspective, the observed carbonization phenomenon opens a window for understanding the mechanism for intumescent fire retardants.
[Display omitted]</description><subject>Bimetals</subject><subject>Carbonization</subject><subject>Composite materials</subject><subject>Epoxy resins</subject><subject>Fire prevention</subject><subject>Fires</subject><subject>Flame retardants</subject><subject>Graphene</subject><subject>Heat release rate</subject><subject>Metal-organic frameworks</subject><subject>Morphology</subject><subject>Polymer matrix composites</subject><subject>Synergistic effect</subject><issn>0008-6223</issn><issn>1873-3891</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp9kE1PGzEQhq2qSE0D_6AHSz3v1vZ-podKNGoBCYkLnC1_jInTrL0dLyHhX_CP63Q5c5oZ6X3fmXkI-cJZyRlvv21Lo1DHUArGVyXrSsaqD2TB-64qqn7FP5IFY6wvWiGqT-RzSts81j2vF-T1px9gUrudN_R_U0R8VCFPDtUAzxH_JKqCpY-oxg0EoPHgLdCgQiw2R43eJuoiUggbFQxY6jwCxRyFVoWJwhgPR2riMMbkJ0jf6SUNcQ87Ot_sX9TkY8jLTQ7waTgnZ07tEly81SV5-P3rfn1d3N5d3awvbwsj2noqulULHHSrtebOaqNqtxJd0zhmRQtNJ04yoblowFTWtDXXTW8sOMGN6Zu6WpKvc-6I8e8TpElu4xOGvFKKitWcZ0uVVfWsMhhTQnByRD8oPErO5Am-3Mr5EXmCL1knM_xs-zHbIH-w94AyGQ8nPpmOmaSN_v2Af9WKk18</recordid><startdate>201911</startdate><enddate>201911</enddate><creator>Zhang, Jing</creator><creator>Li, Zhi</creator><creator>Zhang, Lu</creator><creator>García Molleja, Javier</creator><creator>Wang, De-Yi</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0002-0499-6138</orcidid></search><sort><creationdate>201911</creationdate><title>Bimetallic metal-organic frameworks and graphene oxide nano-hybrids for enhanced fire retardant epoxy composites: A novel carbonization mechanism</title><author>Zhang, Jing ; Li, Zhi ; Zhang, Lu ; García Molleja, Javier ; Wang, De-Yi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c264t-796e1eb6bbb1fdbca4f92755f0d26e572c2642b125ec3dc641b58cdef21cc8543</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Bimetals</topic><topic>Carbonization</topic><topic>Composite materials</topic><topic>Epoxy resins</topic><topic>Fire prevention</topic><topic>Fires</topic><topic>Flame retardants</topic><topic>Graphene</topic><topic>Heat release rate</topic><topic>Metal-organic frameworks</topic><topic>Morphology</topic><topic>Polymer matrix composites</topic><topic>Synergistic effect</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Jing</creatorcontrib><creatorcontrib>Li, Zhi</creatorcontrib><creatorcontrib>Zhang, Lu</creatorcontrib><creatorcontrib>García Molleja, Javier</creatorcontrib><creatorcontrib>Wang, De-Yi</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Carbon (New York)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhang, Jing</au><au>Li, Zhi</au><au>Zhang, Lu</au><au>García Molleja, Javier</au><au>Wang, De-Yi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Bimetallic metal-organic frameworks and graphene oxide nano-hybrids for enhanced fire retardant epoxy composites: A novel carbonization mechanism</atitle><jtitle>Carbon (New York)</jtitle><date>2019-11</date><risdate>2019</risdate><volume>153</volume><spage>407</spage><epage>416</epage><pages>407-416</pages><issn>0008-6223</issn><eissn>1873-3891</eissn><abstract>The fire retarded intumescent epoxy resin (EP) composites were fabricated with the incorporation of bimetallic metal-organic framework (MOF) and graphene oxide (GO) nano-hybrids (MOF@GO) with intumescent fire retardants (IFR). EP/0.5MOF@GO-9.5IFR composite exhibited a 41% decrease in peak heat release rate, 30% decrease in total smoke production compared to reference sample EP/10IFR. According to in-situ morphology observation and X-ray tomography result, we observed such a novel carbonization phenomenon forming an alternately loose and accumulated structure. The further carbonaceous char analysis indicated the formation of a reinforced structure with fewer pores and excellent insulated property. Temperature test revealed that the synergistic effect between MOF@GO and IFR promoted the construction of the insulated carbonaceous char, which can maintain its temperature at around 400 °C, thus providing sufficient time to build up the alternative reinforced char. Besides, the mechanical property of EP composite was also improved with a 11% increase in the tensile strength compared with that of EP/10IFR. In perspective, the observed carbonization phenomenon opens a window for understanding the mechanism for intumescent fire retardants.
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| subjects | Bimetals Carbonization Composite materials Epoxy resins Fire prevention Fires Flame retardants Graphene Heat release rate Metal-organic frameworks Morphology Polymer matrix composites Synergistic effect |
| title | Bimetallic metal-organic frameworks and graphene oxide nano-hybrids for enhanced fire retardant epoxy composites: A novel carbonization mechanism |
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