PMMA nanocomposites with graphene oxide hybrid nanofillers
Polymethylmethacrylate (PMMA) and nanocomposites containing 0.5 wt.% graphene oxide (GO), graphene oxide-multiwalled carbon nanotubes (NT) or graphene oxide-ionic liquid 1-octyl-3-methylimidazolium tetrafluoroborate (IL) (PMMA+GO; PMMA+GO-NT; PMMA+GO-IL) were processed by a single step twin-screw mi...
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| Format: | Article |
| Language: | English |
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Budapest University of Technology and Economics
2019-10-01
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| Series: | eXPRESS Polymer Letters |
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| Online Access: | http://www.expresspolymlett.com/letolt.php?file=EPL-0010030&mi=cd |
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| author | J. Sanes G. Ojados R. Pamies M. D. Bermudez |
| author_facet | J. Sanes G. Ojados R. Pamies M. D. Bermudez |
| author_sort | J. Sanes |
| collection | DOAJ |
| description | Polymethylmethacrylate (PMMA) and nanocomposites containing 0.5 wt.% graphene oxide (GO), graphene oxide-multiwalled carbon nanotubes (NT) or graphene oxide-ionic liquid 1-octyl-3-methylimidazolium tetrafluoroborate (IL) (PMMA+GO; PMMA+GO-NT; PMMA+GO-IL) were processed by a single step twin-screw micro-extrusion. The effect of two extrusion temperature profiles and two specific mechanical energy (SME) values has been studied. Results of Raman spectroscopy, scanning electron microscopy (SEM) and transmission electron microscopy (TEM), energy dispersive X-ray analysis (EDX), X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS) analysis show changes in GO composition and morphology, and better dispersion due to interaction with IL. Dynamic mechanical analysis shows that extrusion conditions affect storage modulus of hybrid nanocomposites. Rheological measurements show that the complex viscosity of the nanocomposites is higher than that of PMMA at low shear rates for materials processed under the lower value of SME. A maximum viscosity increase of 62.6% is found for PMMA+GO-NT. The lowest increase found for PMMA+GOIL, is attributed to the better dispersion of the hybrid GO-IL nanofiller. |
| format | Article |
| id | doaj-art-08e7c5a6d90e461fbadbf7f9040b4f59 |
| institution | DOAJ |
| issn | 1788-618X |
| language | English |
| publishDate | 2019-10-01 |
| publisher | Budapest University of Technology and Economics |
| record_format | Article |
| series | eXPRESS Polymer Letters |
| spelling | doaj-art-08e7c5a6d90e461fbadbf7f9040b4f592025-08-20T02:41:46ZengBudapest University of Technology and EconomicseXPRESS Polymer Letters1788-618X2019-10-01131091092210.3144/expresspolymlett.2019.79PMMA nanocomposites with graphene oxide hybrid nanofillersJ. SanesG. OjadosR. PamiesM. D. BermudezPolymethylmethacrylate (PMMA) and nanocomposites containing 0.5 wt.% graphene oxide (GO), graphene oxide-multiwalled carbon nanotubes (NT) or graphene oxide-ionic liquid 1-octyl-3-methylimidazolium tetrafluoroborate (IL) (PMMA+GO; PMMA+GO-NT; PMMA+GO-IL) were processed by a single step twin-screw micro-extrusion. The effect of two extrusion temperature profiles and two specific mechanical energy (SME) values has been studied. Results of Raman spectroscopy, scanning electron microscopy (SEM) and transmission electron microscopy (TEM), energy dispersive X-ray analysis (EDX), X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS) analysis show changes in GO composition and morphology, and better dispersion due to interaction with IL. Dynamic mechanical analysis shows that extrusion conditions affect storage modulus of hybrid nanocomposites. Rheological measurements show that the complex viscosity of the nanocomposites is higher than that of PMMA at low shear rates for materials processed under the lower value of SME. A maximum viscosity increase of 62.6% is found for PMMA+GO-NT. The lowest increase found for PMMA+GOIL, is attributed to the better dispersion of the hybrid GO-IL nanofiller.http://www.expresspolymlett.com/letolt.php?file=EPL-0010030&mi=cdNanocompositesGraphene oxidemicroextrusiondynamic mechanical propertiesrheology |
| spellingShingle | J. Sanes G. Ojados R. Pamies M. D. Bermudez PMMA nanocomposites with graphene oxide hybrid nanofillers eXPRESS Polymer Letters Nanocomposites Graphene oxide microextrusion dynamic mechanical properties rheology |
| title | PMMA nanocomposites with graphene oxide hybrid nanofillers |
| title_full | PMMA nanocomposites with graphene oxide hybrid nanofillers |
| title_fullStr | PMMA nanocomposites with graphene oxide hybrid nanofillers |
| title_full_unstemmed | PMMA nanocomposites with graphene oxide hybrid nanofillers |
| title_short | PMMA nanocomposites with graphene oxide hybrid nanofillers |
| title_sort | pmma nanocomposites with graphene oxide hybrid nanofillers |
| topic | Nanocomposites Graphene oxide microextrusion dynamic mechanical properties rheology |
| url | http://www.expresspolymlett.com/letolt.php?file=EPL-0010030&mi=cd |
| work_keys_str_mv | AT jsanes pmmananocompositeswithgrapheneoxidehybridnanofillers AT gojados pmmananocompositeswithgrapheneoxidehybridnanofillers AT rpamies pmmananocompositeswithgrapheneoxidehybridnanofillers AT mdbermudez pmmananocompositeswithgrapheneoxidehybridnanofillers |