Polymer composites prepared by low-temperature post-irradiation polymerization of C2F4 in the presence of graphene-like material: synthesis and characterizationElectronic supplementary information (ESI) available. See DOI: 10.1039/c4ra09074h
Polymer polytetrafluoroethylene (PTFE)-microwave exfoliated graphene oxide (MEGO) composites containing up to 80 wt% PTFE were prepared by low-temperature post-irradiation polymerization of C 2 F 4 in the presence of the graphene-like material. Composites were characterized by FTIR, NMR, XPS, SEM, T...
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| creator | Shulga, Yury M Vasilets, Victor N Kiryukhin, Dmitry P Voylov, Dmitry N Sokolov, Alexei P |
| description | Polymer polytetrafluoroethylene (PTFE)-microwave exfoliated graphene oxide (MEGO) composites containing up to 80 wt% PTFE were prepared by low-temperature post-irradiation polymerization of C
2
F
4
in the presence of the graphene-like material. Composites were characterized by FTIR, NMR, XPS, SEM, TGA, XRD, broadband dielectric spectroscopy and DSC techniques. The melting point of PTFE in the composite (332.5 °C) was higher than that of pure PTFE by 8.8 °C. The measured values of the melting enthalpy (Δ
H
m
= 51.5 and 45.4 J g
−1
) were used to calculate the extent of crystallinity in the PTFE and PTFE-MEGO composite (0.63 and 0.55, respectively). No CF
3
end groups typical of commercial PTFE have been detected in the PTFE-MEGO composites.
Study of PTFE-microwave exfoliated graphene oxide (MEGO) composites synthesized using a low temperature post-irradiation polymerization technique. SEM images of MEGO (left) and PTFE-MEGO composite (right). |
| doi_str_mv | 10.1039/c4ra09074h |
| format | Article |
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2
F
4
in the presence of the graphene-like material. Composites were characterized by FTIR, NMR, XPS, SEM, TGA, XRD, broadband dielectric spectroscopy and DSC techniques. The melting point of PTFE in the composite (332.5 °C) was higher than that of pure PTFE by 8.8 °C. The measured values of the melting enthalpy (Δ
H
m
= 51.5 and 45.4 J g
−1
) were used to calculate the extent of crystallinity in the PTFE and PTFE-MEGO composite (0.63 and 0.55, respectively). No CF
3
end groups typical of commercial PTFE have been detected in the PTFE-MEGO composites.
Study of PTFE-microwave exfoliated graphene oxide (MEGO) composites synthesized using a low temperature post-irradiation polymerization technique. SEM images of MEGO (left) and PTFE-MEGO composite (right).</description><identifier>EISSN: 2046-2069</identifier><identifier>DOI: 10.1039/c4ra09074h</identifier><language>eng</language><creationdate>2015-01</creationdate><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Shulga, Yury M</creatorcontrib><creatorcontrib>Vasilets, Victor N</creatorcontrib><creatorcontrib>Kiryukhin, Dmitry P</creatorcontrib><creatorcontrib>Voylov, Dmitry N</creatorcontrib><creatorcontrib>Sokolov, Alexei P</creatorcontrib><title>Polymer composites prepared by low-temperature post-irradiation polymerization of C2F4 in the presence of graphene-like material: synthesis and characterizationElectronic supplementary information (ESI) available. See DOI: 10.1039/c4ra09074h</title><description>Polymer polytetrafluoroethylene (PTFE)-microwave exfoliated graphene oxide (MEGO) composites containing up to 80 wt% PTFE were prepared by low-temperature post-irradiation polymerization of C
2
F
4
in the presence of the graphene-like material. Composites were characterized by FTIR, NMR, XPS, SEM, TGA, XRD, broadband dielectric spectroscopy and DSC techniques. The melting point of PTFE in the composite (332.5 °C) was higher than that of pure PTFE by 8.8 °C. The measured values of the melting enthalpy (Δ
H
m
= 51.5 and 45.4 J g
−1
) were used to calculate the extent of crystallinity in the PTFE and PTFE-MEGO composite (0.63 and 0.55, respectively). No CF
3
end groups typical of commercial PTFE have been detected in the PTFE-MEGO composites.
Study of PTFE-microwave exfoliated graphene oxide (MEGO) composites synthesized using a low temperature post-irradiation polymerization technique. SEM images of MEGO (left) and PTFE-MEGO composite (right).</description><issn>2046-2069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNqFUEtLw0AQDoJgUS_ehfGmh9RNGiPttbbYk0K9l-lmYlb3xexWif_af-DWih4Encsw3xMmy04KMSzEaHwpK0YxFtdVt5cNSlHVeSnq8UF2HMKTSFNfFWVdDLL3e6d7QwzSGe-CihTAM3lkamDdg3aveSTjiTFumCBpYq6YsVEYlbMJ-PSrt93pWpiW8wqUhdjRNiqQlbTFHxl9R5ZyrZ4JDMbkQj2B0NskDSoA2gZkh4wyfifONMnIzioJYeO9JkM2IvepoXVsdq3ns-XiAvAFlca1piEsieDmbjGB3_84yvZb1IGOv_ZhdjqfPUxvcw5y5VmZFL76kY_-58_-4le-aUcfQz-FUA</recordid><startdate>20150113</startdate><enddate>20150113</enddate><creator>Shulga, Yury M</creator><creator>Vasilets, Victor N</creator><creator>Kiryukhin, Dmitry P</creator><creator>Voylov, Dmitry N</creator><creator>Sokolov, Alexei P</creator><scope/></search><sort><creationdate>20150113</creationdate><title>Polymer composites prepared by low-temperature post-irradiation polymerization of C2F4 in the presence of graphene-like material: synthesis and characterizationElectronic supplementary information (ESI) available. See DOI: 10.1039/c4ra09074h</title><author>Shulga, Yury M ; Vasilets, Victor N ; Kiryukhin, Dmitry P ; Voylov, Dmitry N ; Sokolov, Alexei P</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-rsc_primary_c4ra09074h3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Shulga, Yury M</creatorcontrib><creatorcontrib>Vasilets, Victor N</creatorcontrib><creatorcontrib>Kiryukhin, Dmitry P</creatorcontrib><creatorcontrib>Voylov, Dmitry N</creatorcontrib><creatorcontrib>Sokolov, Alexei P</creatorcontrib></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Shulga, Yury M</au><au>Vasilets, Victor N</au><au>Kiryukhin, Dmitry P</au><au>Voylov, Dmitry N</au><au>Sokolov, Alexei P</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Polymer composites prepared by low-temperature post-irradiation polymerization of C2F4 in the presence of graphene-like material: synthesis and characterizationElectronic supplementary information (ESI) available. See DOI: 10.1039/c4ra09074h</atitle><date>2015-01-13</date><risdate>2015</risdate><volume>5</volume><issue>13</issue><spage>9865</spage><epage>9874</epage><pages>9865-9874</pages><eissn>2046-2069</eissn><abstract>Polymer polytetrafluoroethylene (PTFE)-microwave exfoliated graphene oxide (MEGO) composites containing up to 80 wt% PTFE were prepared by low-temperature post-irradiation polymerization of C
2
F
4
in the presence of the graphene-like material. Composites were characterized by FTIR, NMR, XPS, SEM, TGA, XRD, broadband dielectric spectroscopy and DSC techniques. The melting point of PTFE in the composite (332.5 °C) was higher than that of pure PTFE by 8.8 °C. The measured values of the melting enthalpy (Δ
H
m
= 51.5 and 45.4 J g
−1
) were used to calculate the extent of crystallinity in the PTFE and PTFE-MEGO composite (0.63 and 0.55, respectively). No CF
3
end groups typical of commercial PTFE have been detected in the PTFE-MEGO composites.
Study of PTFE-microwave exfoliated graphene oxide (MEGO) composites synthesized using a low temperature post-irradiation polymerization technique. SEM images of MEGO (left) and PTFE-MEGO composite (right).</abstract><doi>10.1039/c4ra09074h</doi><tpages>1</tpages></addata></record> |
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| source | Royal Society Of Chemistry Journals 2008- |
| title | Polymer composites prepared by low-temperature post-irradiation polymerization of C2F4 in the presence of graphene-like material: synthesis and characterizationElectronic supplementary information (ESI) available. See DOI: 10.1039/c4ra09074h |
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