Graphene functionalisations: Conserving vitrimer properties towards nanoparticles recovery using mild dissolution
Graphene epoxy nanocomposites are highly investigated for the potential to combine properties of the polymer matrix and nanofillers. Epoxy vitrimer presents many advantages compared to traditional epoxy thermoset such as stress relaxation and recycling capacity. Hence, this study explores the effect...
Ausführliche Beschreibung
Autor*in: |
Poutrel, Quentin-Arthur [verfasserIn] Baghdadi, Yasmine [verfasserIn] Souvignet, Aline [verfasserIn] Gresil, Matthieu [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2021 |
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Schlagwörter: |
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Übergeordnetes Werk: |
Enthalten in: Composites science and technology - Amsterdam [u.a.] : Elsevier, 1985, 216 |
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Übergeordnetes Werk: |
volume:216 |
DOI / URN: |
10.1016/j.compscitech.2021.109072 |
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Katalog-ID: |
ELV006801943 |
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520 | |a Graphene epoxy nanocomposites are highly investigated for the potential to combine properties of the polymer matrix and nanofillers. Epoxy vitrimer presents many advantages compared to traditional epoxy thermoset such as stress relaxation and recycling capacity. Hence, this study explores the effect of graphitic nanoparticles on an epoxy vitrimer formulation and potential to recover those from the crosslinked structure by mild dissolution. Graphene nanoplatelets (GNP), graphene oxide (GO), reduced graphene oxide (rGO) and silane bearing epoxy functionalised graphene nanoplatelets (GPTS-GO) are added to the vitrimer at 0.1, 0.5 and 1 wt % loading. Evolution in tensile properties and XRD reveal that nanoparticles bond with the vitrimer matrix when having functionality (GO, rGO and GPTS-GO). Overall, an improvement of tensile mechanical properties is reported while remaining chemically crosslinked and achieving complete relaxation. The vitrimer properties are then exploited to recover nanoparticles via a simple dissolution/washing method. Chemical investigation (XPS, RAMAN, and XRD) of recovered particles shows no traces of polymer. Nonetheless, few chemical changes are observed: nanoparticles with low functionality (GNP and rGO) received additional hydroxyl functions after recycling. Reversibly, highly functionalised particles (GO and GPTS-GO) undergo cleaving of functional units during the extraction process. | ||
650 | 4 | |a Polymers | |
650 | 4 | |a Nano composites | |
650 | 4 | |a Graphene and other 2D-materials | |
650 | 4 | |a Recycling | |
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700 | 1 | |a Baghdadi, Yasmine |e verfasserin |0 (orcid)0000-0002-0143-2572 |4 aut | |
700 | 1 | |a Souvignet, Aline |e verfasserin |4 aut | |
700 | 1 | |a Gresil, Matthieu |e verfasserin |0 (orcid)0000-0002-3593-2655 |4 aut | |
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10.1016/j.compscitech.2021.109072 doi (DE-627)ELV006801943 (ELSEVIER)S0266-3538(21)00428-0 DE-627 ger DE-627 rda eng 660 670 DE-600 51.75 bkl Poutrel, Quentin-Arthur verfasserin (orcid)0000-0002-4059-2173 aut Graphene functionalisations: Conserving vitrimer properties towards nanoparticles recovery using mild dissolution 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Graphene epoxy nanocomposites are highly investigated for the potential to combine properties of the polymer matrix and nanofillers. Epoxy vitrimer presents many advantages compared to traditional epoxy thermoset such as stress relaxation and recycling capacity. Hence, this study explores the effect of graphitic nanoparticles on an epoxy vitrimer formulation and potential to recover those from the crosslinked structure by mild dissolution. Graphene nanoplatelets (GNP), graphene oxide (GO), reduced graphene oxide (rGO) and silane bearing epoxy functionalised graphene nanoplatelets (GPTS-GO) are added to the vitrimer at 0.1, 0.5 and 1 wt % loading. Evolution in tensile properties and XRD reveal that nanoparticles bond with the vitrimer matrix when having functionality (GO, rGO and GPTS-GO). Overall, an improvement of tensile mechanical properties is reported while remaining chemically crosslinked and achieving complete relaxation. The vitrimer properties are then exploited to recover nanoparticles via a simple dissolution/washing method. Chemical investigation (XPS, RAMAN, and XRD) of recovered particles shows no traces of polymer. Nonetheless, few chemical changes are observed: nanoparticles with low functionality (GNP and rGO) received additional hydroxyl functions after recycling. Reversibly, highly functionalised particles (GO and GPTS-GO) undergo cleaving of functional units during the extraction process. Polymers Nano composites Graphene and other 2D-materials Recycling Vitrimer Baghdadi, Yasmine verfasserin (orcid)0000-0002-0143-2572 aut Souvignet, Aline verfasserin aut Gresil, Matthieu verfasserin (orcid)0000-0002-3593-2655 aut Enthalten in Composites science and technology Amsterdam [u.a.] : Elsevier, 1985 216 Online-Ressource (DE-627)320509095 (DE-600)2013182-3 (DE-576)098330314 1879-1050 nnns volume:216 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2411 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.75 Verbundwerkstoffe Schichtstoffe AR 216 |
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10.1016/j.compscitech.2021.109072 doi (DE-627)ELV006801943 (ELSEVIER)S0266-3538(21)00428-0 DE-627 ger DE-627 rda eng 660 670 DE-600 51.75 bkl Poutrel, Quentin-Arthur verfasserin (orcid)0000-0002-4059-2173 aut Graphene functionalisations: Conserving vitrimer properties towards nanoparticles recovery using mild dissolution 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Graphene epoxy nanocomposites are highly investigated for the potential to combine properties of the polymer matrix and nanofillers. Epoxy vitrimer presents many advantages compared to traditional epoxy thermoset such as stress relaxation and recycling capacity. Hence, this study explores the effect of graphitic nanoparticles on an epoxy vitrimer formulation and potential to recover those from the crosslinked structure by mild dissolution. Graphene nanoplatelets (GNP), graphene oxide (GO), reduced graphene oxide (rGO) and silane bearing epoxy functionalised graphene nanoplatelets (GPTS-GO) are added to the vitrimer at 0.1, 0.5 and 1 wt % loading. Evolution in tensile properties and XRD reveal that nanoparticles bond with the vitrimer matrix when having functionality (GO, rGO and GPTS-GO). Overall, an improvement of tensile mechanical properties is reported while remaining chemically crosslinked and achieving complete relaxation. The vitrimer properties are then exploited to recover nanoparticles via a simple dissolution/washing method. Chemical investigation (XPS, RAMAN, and XRD) of recovered particles shows no traces of polymer. Nonetheless, few chemical changes are observed: nanoparticles with low functionality (GNP and rGO) received additional hydroxyl functions after recycling. Reversibly, highly functionalised particles (GO and GPTS-GO) undergo cleaving of functional units during the extraction process. Polymers Nano composites Graphene and other 2D-materials Recycling Vitrimer Baghdadi, Yasmine verfasserin (orcid)0000-0002-0143-2572 aut Souvignet, Aline verfasserin aut Gresil, Matthieu verfasserin (orcid)0000-0002-3593-2655 aut Enthalten in Composites science and technology Amsterdam [u.a.] : Elsevier, 1985 216 Online-Ressource (DE-627)320509095 (DE-600)2013182-3 (DE-576)098330314 1879-1050 nnns volume:216 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2411 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.75 Verbundwerkstoffe Schichtstoffe AR 216 |
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10.1016/j.compscitech.2021.109072 doi (DE-627)ELV006801943 (ELSEVIER)S0266-3538(21)00428-0 DE-627 ger DE-627 rda eng 660 670 DE-600 51.75 bkl Poutrel, Quentin-Arthur verfasserin (orcid)0000-0002-4059-2173 aut Graphene functionalisations: Conserving vitrimer properties towards nanoparticles recovery using mild dissolution 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Graphene epoxy nanocomposites are highly investigated for the potential to combine properties of the polymer matrix and nanofillers. Epoxy vitrimer presents many advantages compared to traditional epoxy thermoset such as stress relaxation and recycling capacity. Hence, this study explores the effect of graphitic nanoparticles on an epoxy vitrimer formulation and potential to recover those from the crosslinked structure by mild dissolution. Graphene nanoplatelets (GNP), graphene oxide (GO), reduced graphene oxide (rGO) and silane bearing epoxy functionalised graphene nanoplatelets (GPTS-GO) are added to the vitrimer at 0.1, 0.5 and 1 wt % loading. Evolution in tensile properties and XRD reveal that nanoparticles bond with the vitrimer matrix when having functionality (GO, rGO and GPTS-GO). Overall, an improvement of tensile mechanical properties is reported while remaining chemically crosslinked and achieving complete relaxation. The vitrimer properties are then exploited to recover nanoparticles via a simple dissolution/washing method. Chemical investigation (XPS, RAMAN, and XRD) of recovered particles shows no traces of polymer. Nonetheless, few chemical changes are observed: nanoparticles with low functionality (GNP and rGO) received additional hydroxyl functions after recycling. Reversibly, highly functionalised particles (GO and GPTS-GO) undergo cleaving of functional units during the extraction process. Polymers Nano composites Graphene and other 2D-materials Recycling Vitrimer Baghdadi, Yasmine verfasserin (orcid)0000-0002-0143-2572 aut Souvignet, Aline verfasserin aut Gresil, Matthieu verfasserin (orcid)0000-0002-3593-2655 aut Enthalten in Composites science and technology Amsterdam [u.a.] : Elsevier, 1985 216 Online-Ressource (DE-627)320509095 (DE-600)2013182-3 (DE-576)098330314 1879-1050 nnns volume:216 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2411 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.75 Verbundwerkstoffe Schichtstoffe AR 216 |
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10.1016/j.compscitech.2021.109072 doi (DE-627)ELV006801943 (ELSEVIER)S0266-3538(21)00428-0 DE-627 ger DE-627 rda eng 660 670 DE-600 51.75 bkl Poutrel, Quentin-Arthur verfasserin (orcid)0000-0002-4059-2173 aut Graphene functionalisations: Conserving vitrimer properties towards nanoparticles recovery using mild dissolution 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Graphene epoxy nanocomposites are highly investigated for the potential to combine properties of the polymer matrix and nanofillers. Epoxy vitrimer presents many advantages compared to traditional epoxy thermoset such as stress relaxation and recycling capacity. Hence, this study explores the effect of graphitic nanoparticles on an epoxy vitrimer formulation and potential to recover those from the crosslinked structure by mild dissolution. Graphene nanoplatelets (GNP), graphene oxide (GO), reduced graphene oxide (rGO) and silane bearing epoxy functionalised graphene nanoplatelets (GPTS-GO) are added to the vitrimer at 0.1, 0.5 and 1 wt % loading. Evolution in tensile properties and XRD reveal that nanoparticles bond with the vitrimer matrix when having functionality (GO, rGO and GPTS-GO). Overall, an improvement of tensile mechanical properties is reported while remaining chemically crosslinked and achieving complete relaxation. The vitrimer properties are then exploited to recover nanoparticles via a simple dissolution/washing method. Chemical investigation (XPS, RAMAN, and XRD) of recovered particles shows no traces of polymer. Nonetheless, few chemical changes are observed: nanoparticles with low functionality (GNP and rGO) received additional hydroxyl functions after recycling. Reversibly, highly functionalised particles (GO and GPTS-GO) undergo cleaving of functional units during the extraction process. Polymers Nano composites Graphene and other 2D-materials Recycling Vitrimer Baghdadi, Yasmine verfasserin (orcid)0000-0002-0143-2572 aut Souvignet, Aline verfasserin aut Gresil, Matthieu verfasserin (orcid)0000-0002-3593-2655 aut Enthalten in Composites science and technology Amsterdam [u.a.] : Elsevier, 1985 216 Online-Ressource (DE-627)320509095 (DE-600)2013182-3 (DE-576)098330314 1879-1050 nnns volume:216 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2411 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.75 Verbundwerkstoffe Schichtstoffe AR 216 |
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10.1016/j.compscitech.2021.109072 doi (DE-627)ELV006801943 (ELSEVIER)S0266-3538(21)00428-0 DE-627 ger DE-627 rda eng 660 670 DE-600 51.75 bkl Poutrel, Quentin-Arthur verfasserin (orcid)0000-0002-4059-2173 aut Graphene functionalisations: Conserving vitrimer properties towards nanoparticles recovery using mild dissolution 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Graphene epoxy nanocomposites are highly investigated for the potential to combine properties of the polymer matrix and nanofillers. Epoxy vitrimer presents many advantages compared to traditional epoxy thermoset such as stress relaxation and recycling capacity. Hence, this study explores the effect of graphitic nanoparticles on an epoxy vitrimer formulation and potential to recover those from the crosslinked structure by mild dissolution. Graphene nanoplatelets (GNP), graphene oxide (GO), reduced graphene oxide (rGO) and silane bearing epoxy functionalised graphene nanoplatelets (GPTS-GO) are added to the vitrimer at 0.1, 0.5 and 1 wt % loading. Evolution in tensile properties and XRD reveal that nanoparticles bond with the vitrimer matrix when having functionality (GO, rGO and GPTS-GO). Overall, an improvement of tensile mechanical properties is reported while remaining chemically crosslinked and achieving complete relaxation. The vitrimer properties are then exploited to recover nanoparticles via a simple dissolution/washing method. Chemical investigation (XPS, RAMAN, and XRD) of recovered particles shows no traces of polymer. Nonetheless, few chemical changes are observed: nanoparticles with low functionality (GNP and rGO) received additional hydroxyl functions after recycling. Reversibly, highly functionalised particles (GO and GPTS-GO) undergo cleaving of functional units during the extraction process. Polymers Nano composites Graphene and other 2D-materials Recycling Vitrimer Baghdadi, Yasmine verfasserin (orcid)0000-0002-0143-2572 aut Souvignet, Aline verfasserin aut Gresil, Matthieu verfasserin (orcid)0000-0002-3593-2655 aut Enthalten in Composites science and technology Amsterdam [u.a.] : Elsevier, 1985 216 Online-Ressource (DE-627)320509095 (DE-600)2013182-3 (DE-576)098330314 1879-1050 nnns volume:216 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2411 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.75 Verbundwerkstoffe Schichtstoffe AR 216 |
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660 670 DE-600 51.75 bkl Graphene functionalisations: Conserving vitrimer properties towards nanoparticles recovery using mild dissolution Polymers Nano composites Graphene and other 2D-materials Recycling Vitrimer |
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graphene functionalisations: conserving vitrimer properties towards nanoparticles recovery using mild dissolution |
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Graphene functionalisations: Conserving vitrimer properties towards nanoparticles recovery using mild dissolution |
abstract |
Graphene epoxy nanocomposites are highly investigated for the potential to combine properties of the polymer matrix and nanofillers. Epoxy vitrimer presents many advantages compared to traditional epoxy thermoset such as stress relaxation and recycling capacity. Hence, this study explores the effect of graphitic nanoparticles on an epoxy vitrimer formulation and potential to recover those from the crosslinked structure by mild dissolution. Graphene nanoplatelets (GNP), graphene oxide (GO), reduced graphene oxide (rGO) and silane bearing epoxy functionalised graphene nanoplatelets (GPTS-GO) are added to the vitrimer at 0.1, 0.5 and 1 wt % loading. Evolution in tensile properties and XRD reveal that nanoparticles bond with the vitrimer matrix when having functionality (GO, rGO and GPTS-GO). Overall, an improvement of tensile mechanical properties is reported while remaining chemically crosslinked and achieving complete relaxation. The vitrimer properties are then exploited to recover nanoparticles via a simple dissolution/washing method. Chemical investigation (XPS, RAMAN, and XRD) of recovered particles shows no traces of polymer. Nonetheless, few chemical changes are observed: nanoparticles with low functionality (GNP and rGO) received additional hydroxyl functions after recycling. Reversibly, highly functionalised particles (GO and GPTS-GO) undergo cleaving of functional units during the extraction process. |
abstractGer |
Graphene epoxy nanocomposites are highly investigated for the potential to combine properties of the polymer matrix and nanofillers. Epoxy vitrimer presents many advantages compared to traditional epoxy thermoset such as stress relaxation and recycling capacity. Hence, this study explores the effect of graphitic nanoparticles on an epoxy vitrimer formulation and potential to recover those from the crosslinked structure by mild dissolution. Graphene nanoplatelets (GNP), graphene oxide (GO), reduced graphene oxide (rGO) and silane bearing epoxy functionalised graphene nanoplatelets (GPTS-GO) are added to the vitrimer at 0.1, 0.5 and 1 wt % loading. Evolution in tensile properties and XRD reveal that nanoparticles bond with the vitrimer matrix when having functionality (GO, rGO and GPTS-GO). Overall, an improvement of tensile mechanical properties is reported while remaining chemically crosslinked and achieving complete relaxation. The vitrimer properties are then exploited to recover nanoparticles via a simple dissolution/washing method. Chemical investigation (XPS, RAMAN, and XRD) of recovered particles shows no traces of polymer. Nonetheless, few chemical changes are observed: nanoparticles with low functionality (GNP and rGO) received additional hydroxyl functions after recycling. Reversibly, highly functionalised particles (GO and GPTS-GO) undergo cleaving of functional units during the extraction process. |
abstract_unstemmed |
Graphene epoxy nanocomposites are highly investigated for the potential to combine properties of the polymer matrix and nanofillers. Epoxy vitrimer presents many advantages compared to traditional epoxy thermoset such as stress relaxation and recycling capacity. Hence, this study explores the effect of graphitic nanoparticles on an epoxy vitrimer formulation and potential to recover those from the crosslinked structure by mild dissolution. Graphene nanoplatelets (GNP), graphene oxide (GO), reduced graphene oxide (rGO) and silane bearing epoxy functionalised graphene nanoplatelets (GPTS-GO) are added to the vitrimer at 0.1, 0.5 and 1 wt % loading. Evolution in tensile properties and XRD reveal that nanoparticles bond with the vitrimer matrix when having functionality (GO, rGO and GPTS-GO). Overall, an improvement of tensile mechanical properties is reported while remaining chemically crosslinked and achieving complete relaxation. The vitrimer properties are then exploited to recover nanoparticles via a simple dissolution/washing method. Chemical investigation (XPS, RAMAN, and XRD) of recovered particles shows no traces of polymer. Nonetheless, few chemical changes are observed: nanoparticles with low functionality (GNP and rGO) received additional hydroxyl functions after recycling. Reversibly, highly functionalised particles (GO and GPTS-GO) undergo cleaving of functional units during the extraction process. |
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