The sonication effect on CNT‐epoxy composites finally clarified
Carbon nanotube‐epoxy composites were prepared using amino‐functionalized CNTs and sonication as a mixing process. Different times and sonication powers were used for preparing composites in order to study how the sonication process may influence the curing reaction of both systems: neat epoxy resin...
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| Veröffentlicht in: | Polymer composites 2017-09, Vol.38 (9), p.1964-1973 |
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| container_end_page | 1973 |
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| container_issue | 9 |
| container_start_page | 1964 |
| container_title | Polymer composites |
| container_volume | 38 |
| creator | Cividanes, Luciana De Simone Simonetti, Evelyn Alves Nunes de Oliveira, José Irineu Sampaio Serra, Antônio Aarão Carlos de Souza Barboza, Jayne Thim, Gilmar Patrocnio |
| description | Carbon nanotube‐epoxy composites were prepared using amino‐functionalized CNTs and sonication as a mixing process. Different times and sonication powers were used for preparing composites in order to study how the sonication process may influence the curing reaction of both systems: neat epoxy resin and amino‐CNT/epoxy composite.The curing reaction was investigated with differential scanning calorimetry and the results were associated with analysis of gel permeation chromatography. The results showed that the effect of CNTs on the cure behavior of the epoxy resin depends on the sonication power. The sonication of neat resin with a 150 W powered device led to a molar mass reduction of the resin and an increase in the cure enthalpy. The CNT addition to this system reduced the cure enthalpy. However, when neat epoxy resin was sonicated with a 200 W powered device, the molar mass did not decrease (i.e., it was increased or was not changed) and the cure enthalpy did not increase (essentially it decreased or did not change). The CNT addition to such solutions did not reduce (i.e., it was increased or did not change) the cure enthalpy, which is a contrary result from that obtained with a 150 W powered device. POLYM. COMPOS., 38:1964–1973, 2017. © 2015 Society of Plastics Engineers |
| doi_str_mv | 10.1002/pc.23767 |
| format | Article |
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Different times and sonication powers were used for preparing composites in order to study how the sonication process may influence the curing reaction of both systems: neat epoxy resin and amino‐CNT/epoxy composite.The curing reaction was investigated with differential scanning calorimetry and the results were associated with analysis of gel permeation chromatography. The results showed that the effect of CNTs on the cure behavior of the epoxy resin depends on the sonication power. The sonication of neat resin with a 150 W powered device led to a molar mass reduction of the resin and an increase in the cure enthalpy. The CNT addition to this system reduced the cure enthalpy. However, when neat epoxy resin was sonicated with a 200 W powered device, the molar mass did not decrease (i.e., it was increased or was not changed) and the cure enthalpy did not increase (essentially it decreased or did not change). The CNT addition to such solutions did not reduce (i.e., it was increased or did not change) the cure enthalpy, which is a contrary result from that obtained with a 150 W powered device. POLYM. 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Different times and sonication powers were used for preparing composites in order to study how the sonication process may influence the curing reaction of both systems: neat epoxy resin and amino‐CNT/epoxy composite.The curing reaction was investigated with differential scanning calorimetry and the results were associated with analysis of gel permeation chromatography. The results showed that the effect of CNTs on the cure behavior of the epoxy resin depends on the sonication power. The sonication of neat resin with a 150 W powered device led to a molar mass reduction of the resin and an increase in the cure enthalpy. The CNT addition to this system reduced the cure enthalpy. However, when neat epoxy resin was sonicated with a 200 W powered device, the molar mass did not decrease (i.e., it was increased or was not changed) and the cure enthalpy did not increase (essentially it decreased or did not change). The CNT addition to such solutions did not reduce (i.e., it was increased or did not change) the cure enthalpy, which is a contrary result from that obtained with a 150 W powered device. POLYM. COMPOS., 38:1964–1973, 2017. © 2015 Society of Plastics Engineers</description><subject>Carbon nanotubes</subject><subject>Carbon-epoxy composites</subject><subject>Curing</subject><subject>Enthalpy</subject><subject>Epoxy resins</subject><subject>Heat measurement</subject><subject>Liquid chromatography</subject><subject>Nanotubes</subject><subject>Polymer matrix composites</subject><subject>Polymers</subject><issn>0272-8397</issn><issn>1548-0569</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNp10M1KAzEQAOAgCtYq-AgLXrxszc8m2RzL4h8U9VDPIc1OMGXbrMkW7c1H8Bl9EqPr1dMMw8f8IXRO8IxgTK96O6NMCnmAJoRXdYm5UIdogqmkZc2UPEYnKa2zJEKwCZovX6BIYeutGXzYFuAc2KHIWfOw_Pr4hD687wsbNn1IfoBUOL81XZdLnYneeWhP0ZEzXYKzvzhFzzfXy-auXDze3jfzRWmpYrLkAoNlRIDgztV5TMtbR5UBTlfOrJys2wpWnDNeSahEZYTA-QxqcWuckJJN0cXYt4_hdQdp0Ouwi3mZpIlinFKiFMvqclQ2hpQiON1HvzFxrwnWPw_SvdW_D8q0HOmb72D_r9NPzei_AZViZus</recordid><startdate>201709</startdate><enddate>201709</enddate><creator>Cividanes, Luciana De Simone</creator><creator>Simonetti, Evelyn Alves Nunes</creator><creator>de Oliveira, José Irineu Sampaio</creator><creator>Serra, Antônio Aarão</creator><creator>Carlos de Souza Barboza, Jayne</creator><creator>Thim, Gilmar Patrocnio</creator><general>Blackwell Publishing Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>201709</creationdate><title>The sonication effect on CNT‐epoxy composites finally clarified</title><author>Cividanes, Luciana De Simone ; Simonetti, Evelyn Alves Nunes ; de Oliveira, José Irineu Sampaio ; Serra, Antônio Aarão ; Carlos de Souza Barboza, Jayne ; Thim, Gilmar Patrocnio</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2937-560ec316e65ff8effd5df29ae52bfabf78d4eb553547e464a6607672c0daf6773</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Carbon nanotubes</topic><topic>Carbon-epoxy composites</topic><topic>Curing</topic><topic>Enthalpy</topic><topic>Epoxy resins</topic><topic>Heat measurement</topic><topic>Liquid chromatography</topic><topic>Nanotubes</topic><topic>Polymer matrix composites</topic><topic>Polymers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cividanes, Luciana De Simone</creatorcontrib><creatorcontrib>Simonetti, Evelyn Alves Nunes</creatorcontrib><creatorcontrib>de Oliveira, José Irineu Sampaio</creatorcontrib><creatorcontrib>Serra, Antônio Aarão</creatorcontrib><creatorcontrib>Carlos de Souza Barboza, Jayne</creatorcontrib><creatorcontrib>Thim, Gilmar Patrocnio</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Polymer composites</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cividanes, Luciana De Simone</au><au>Simonetti, Evelyn Alves Nunes</au><au>de Oliveira, José Irineu Sampaio</au><au>Serra, Antônio Aarão</au><au>Carlos de Souza Barboza, Jayne</au><au>Thim, Gilmar Patrocnio</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The sonication effect on CNT‐epoxy composites finally clarified</atitle><jtitle>Polymer composites</jtitle><date>2017-09</date><risdate>2017</risdate><volume>38</volume><issue>9</issue><spage>1964</spage><epage>1973</epage><pages>1964-1973</pages><issn>0272-8397</issn><eissn>1548-0569</eissn><abstract>Carbon nanotube‐epoxy composites were prepared using amino‐functionalized CNTs and sonication as a mixing process. Different times and sonication powers were used for preparing composites in order to study how the sonication process may influence the curing reaction of both systems: neat epoxy resin and amino‐CNT/epoxy composite.The curing reaction was investigated with differential scanning calorimetry and the results were associated with analysis of gel permeation chromatography. The results showed that the effect of CNTs on the cure behavior of the epoxy resin depends on the sonication power. The sonication of neat resin with a 150 W powered device led to a molar mass reduction of the resin and an increase in the cure enthalpy. The CNT addition to this system reduced the cure enthalpy. However, when neat epoxy resin was sonicated with a 200 W powered device, the molar mass did not decrease (i.e., it was increased or was not changed) and the cure enthalpy did not increase (essentially it decreased or did not change). The CNT addition to such solutions did not reduce (i.e., it was increased or did not change) the cure enthalpy, which is a contrary result from that obtained with a 150 W powered device. POLYM. COMPOS., 38:1964–1973, 2017. © 2015 Society of Plastics Engineers</abstract><cop>Newtown</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1002/pc.23767</doi><tpages>10</tpages></addata></record> |
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| ispartof | Polymer composites, 2017-09, Vol.38 (9), p.1964-1973 |
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| language | eng |
| recordid | cdi_proquest_journals_1935221993 |
| source | Access via Wiley Online Library |
| subjects | Carbon nanotubes Carbon-epoxy composites Curing Enthalpy Epoxy resins Heat measurement Liquid chromatography Nanotubes Polymer matrix composites Polymers |
| title | The sonication effect on CNT‐epoxy composites finally clarified |
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