Special morphology and its role in mechanical enhancement of linear low‐density polyethylene/multiwalled carbon nanotubes composites
ABSTRACT In this work, multiwalled carbon nanotubes (MWCNTs), as reinforcing agent, were blended with linear low‐density polyethylene (LLDPE), then molded by hot compression molding to prepare LLDPE/MWCNTs composites. Tensile tests indicate that the strength, Young's modulus, and toughness are...
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| Veröffentlicht in: | Journal of applied polymer science 2017-12, Vol.134 (48), p.n/a |
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| creator | Shi, Su‐yu Wang, Li‐na Xin, Chang‐zheng Zhao, Kang Liu, Chun‐tai Zheng, Guo‐qiang |
| description | ABSTRACT
In this work, multiwalled carbon nanotubes (MWCNTs), as reinforcing agent, were blended with linear low‐density polyethylene (LLDPE), then molded by hot compression molding to prepare LLDPE/MWCNTs composites. Tensile tests indicate that the strength, Young's modulus, and toughness are all improved for LLDPE/MWCNTs composites containing 1 and 3 wt % MWCNTs. Compared with LLDPE, the Young's modulus of LLDPE/MWCNTs composites rises from 144.8 to 270.8 MPa at 1 wt % MWCNTs content. At the same time, increases of 18.5% in tensile strength and 16.6% in yield strength are achieved. Additionally, its toughness is enhanced by 26.7% than that of LLDPE. Microstructure characterizations, including differential scanning calorimetry, X‐ray diffraction, and scanning electron microscopy were performed to investigate the variations of microstructure and further to establish the relationship between microstructure and mechanical properties. Homogeneous dispersion of MWCNTs, network formation, and development of an oriented nanohybrid shish‐kebab structure contribute to the enhanced strength and toughness. The increased crystallinity is beneficial to the reinforcement and increased modulus. Additionally, the thermal stability of the LLDPE/MWCNTs composites is enhanced as well. This work suggests a promising routine to optimize polymer/MWCNTs composites by tailoring the structural development. © 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2017, 134, 45525. |
| doi_str_mv | 10.1002/app.45525 |
| format | Article |
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In this work, multiwalled carbon nanotubes (MWCNTs), as reinforcing agent, were blended with linear low‐density polyethylene (LLDPE), then molded by hot compression molding to prepare LLDPE/MWCNTs composites. Tensile tests indicate that the strength, Young's modulus, and toughness are all improved for LLDPE/MWCNTs composites containing 1 and 3 wt % MWCNTs. Compared with LLDPE, the Young's modulus of LLDPE/MWCNTs composites rises from 144.8 to 270.8 MPa at 1 wt % MWCNTs content. At the same time, increases of 18.5% in tensile strength and 16.6% in yield strength are achieved. Additionally, its toughness is enhanced by 26.7% than that of LLDPE. Microstructure characterizations, including differential scanning calorimetry, X‐ray diffraction, and scanning electron microscopy were performed to investigate the variations of microstructure and further to establish the relationship between microstructure and mechanical properties. Homogeneous dispersion of MWCNTs, network formation, and development of an oriented nanohybrid shish‐kebab structure contribute to the enhanced strength and toughness. The increased crystallinity is beneficial to the reinforcement and increased modulus. Additionally, the thermal stability of the LLDPE/MWCNTs composites is enhanced as well. This work suggests a promising routine to optimize polymer/MWCNTs composites by tailoring the structural development. © 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2017, 134, 45525.</description><identifier>ISSN: 0021-8995</identifier><identifier>EISSN: 1097-4628</identifier><identifier>DOI: 10.1002/app.45525</identifier><language>eng</language><publisher>Hoboken: Wiley Subscription Services, Inc</publisher><subject>Alloys ; Compression tests ; graphene and fullerenes ; Heat measurement ; Hot pressing ; Low density polyethylenes ; Materials science ; Mechanical properties ; Microstructure ; Modulus of elasticity ; molding ; morphology ; Multi wall carbon nanotubes ; Nanotubes ; Network formation ; Petrochemicals ; Polymer matrix composites ; Polymers ; Pressure molding ; Strength ; structure–property relationships ; Tensile tests ; Thermal stability ; Toughness</subject><ispartof>Journal of applied polymer science, 2017-12, Vol.134 (48), p.n/a</ispartof><rights>2017 Wiley Periodicals, Inc.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c2975-407771b26b3366b42b4771e0375c6c9412cdb7423a038631f5ede251535bc4c73</citedby><cites>FETCH-LOGICAL-c2975-407771b26b3366b42b4771e0375c6c9412cdb7423a038631f5ede251535bc4c73</cites><orcidid>0000-0003-3043-6529</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fapp.45525$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fapp.45525$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids></links><search><creatorcontrib>Shi, Su‐yu</creatorcontrib><creatorcontrib>Wang, Li‐na</creatorcontrib><creatorcontrib>Xin, Chang‐zheng</creatorcontrib><creatorcontrib>Zhao, Kang</creatorcontrib><creatorcontrib>Liu, Chun‐tai</creatorcontrib><creatorcontrib>Zheng, Guo‐qiang</creatorcontrib><title>Special morphology and its role in mechanical enhancement of linear low‐density polyethylene/multiwalled carbon nanotubes composites</title><title>Journal of applied polymer science</title><description>ABSTRACT
In this work, multiwalled carbon nanotubes (MWCNTs), as reinforcing agent, were blended with linear low‐density polyethylene (LLDPE), then molded by hot compression molding to prepare LLDPE/MWCNTs composites. Tensile tests indicate that the strength, Young's modulus, and toughness are all improved for LLDPE/MWCNTs composites containing 1 and 3 wt % MWCNTs. Compared with LLDPE, the Young's modulus of LLDPE/MWCNTs composites rises from 144.8 to 270.8 MPa at 1 wt % MWCNTs content. At the same time, increases of 18.5% in tensile strength and 16.6% in yield strength are achieved. Additionally, its toughness is enhanced by 26.7% than that of LLDPE. Microstructure characterizations, including differential scanning calorimetry, X‐ray diffraction, and scanning electron microscopy were performed to investigate the variations of microstructure and further to establish the relationship between microstructure and mechanical properties. Homogeneous dispersion of MWCNTs, network formation, and development of an oriented nanohybrid shish‐kebab structure contribute to the enhanced strength and toughness. The increased crystallinity is beneficial to the reinforcement and increased modulus. Additionally, the thermal stability of the LLDPE/MWCNTs composites is enhanced as well. This work suggests a promising routine to optimize polymer/MWCNTs composites by tailoring the structural development. © 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2017, 134, 45525.</description><subject>Alloys</subject><subject>Compression tests</subject><subject>graphene and fullerenes</subject><subject>Heat measurement</subject><subject>Hot pressing</subject><subject>Low density polyethylenes</subject><subject>Materials science</subject><subject>Mechanical properties</subject><subject>Microstructure</subject><subject>Modulus of elasticity</subject><subject>molding</subject><subject>morphology</subject><subject>Multi wall carbon nanotubes</subject><subject>Nanotubes</subject><subject>Network formation</subject><subject>Petrochemicals</subject><subject>Polymer matrix composites</subject><subject>Polymers</subject><subject>Pressure molding</subject><subject>Strength</subject><subject>structure–property relationships</subject><subject>Tensile tests</subject><subject>Thermal stability</subject><subject>Toughness</subject><issn>0021-8995</issn><issn>1097-4628</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNp1kE1LAzEQhoMoWKsH_0HAk4e1-dhsmqOIX1BQUM9LNju1KdlkTbaUvXny7G_0lxitV08zwzzvDDwInVJyQQlhM933F6UQTOyhCSVKFmXF5vtokne0mCslDtFRSmtCKBWkmqCPpx6M1Q53Ifar4MLriLVvsR0SjsEBth53YFbaW5Mp8Lkz0IEfcFhiZz3oiF3Yfr1_tuCTHUbcBzfCsBodeJh1GzfYrXYOWmx0bILHXvswbBpI2ISuDzkD6RgdLLVLcPJXp-jl5vr56q5YPNzeX10uCsOUFEVJpJS0YVXDeVU1JWvKPAPhUpjKqJIy0zayZFwTPq84XQpogQkquGhMaSSforPd3T6Gtw2koV6HTfT5ZU0VV1JxJlSmzneUiSGlCMu6j7bTcawpqX8011lz_as5s7Mdu7UOxv_B-vLxcZf4Brccgfo</recordid><startdate>20171220</startdate><enddate>20171220</enddate><creator>Shi, Su‐yu</creator><creator>Wang, Li‐na</creator><creator>Xin, Chang‐zheng</creator><creator>Zhao, Kang</creator><creator>Liu, Chun‐tai</creator><creator>Zheng, Guo‐qiang</creator><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0003-3043-6529</orcidid></search><sort><creationdate>20171220</creationdate><title>Special morphology and its role in mechanical enhancement of linear low‐density polyethylene/multiwalled carbon nanotubes composites</title><author>Shi, Su‐yu ; Wang, Li‐na ; Xin, Chang‐zheng ; Zhao, Kang ; Liu, Chun‐tai ; Zheng, Guo‐qiang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2975-407771b26b3366b42b4771e0375c6c9412cdb7423a038631f5ede251535bc4c73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Alloys</topic><topic>Compression tests</topic><topic>graphene and fullerenes</topic><topic>Heat measurement</topic><topic>Hot pressing</topic><topic>Low density polyethylenes</topic><topic>Materials science</topic><topic>Mechanical properties</topic><topic>Microstructure</topic><topic>Modulus of elasticity</topic><topic>molding</topic><topic>morphology</topic><topic>Multi wall carbon nanotubes</topic><topic>Nanotubes</topic><topic>Network formation</topic><topic>Petrochemicals</topic><topic>Polymer matrix composites</topic><topic>Polymers</topic><topic>Pressure molding</topic><topic>Strength</topic><topic>structure–property relationships</topic><topic>Tensile tests</topic><topic>Thermal stability</topic><topic>Toughness</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Shi, Su‐yu</creatorcontrib><creatorcontrib>Wang, Li‐na</creatorcontrib><creatorcontrib>Xin, Chang‐zheng</creatorcontrib><creatorcontrib>Zhao, Kang</creatorcontrib><creatorcontrib>Liu, Chun‐tai</creatorcontrib><creatorcontrib>Zheng, Guo‐qiang</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of applied polymer science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Shi, Su‐yu</au><au>Wang, Li‐na</au><au>Xin, Chang‐zheng</au><au>Zhao, Kang</au><au>Liu, Chun‐tai</au><au>Zheng, Guo‐qiang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Special morphology and its role in mechanical enhancement of linear low‐density polyethylene/multiwalled carbon nanotubes composites</atitle><jtitle>Journal of applied polymer science</jtitle><date>2017-12-20</date><risdate>2017</risdate><volume>134</volume><issue>48</issue><epage>n/a</epage><issn>0021-8995</issn><eissn>1097-4628</eissn><abstract>ABSTRACT
In this work, multiwalled carbon nanotubes (MWCNTs), as reinforcing agent, were blended with linear low‐density polyethylene (LLDPE), then molded by hot compression molding to prepare LLDPE/MWCNTs composites. Tensile tests indicate that the strength, Young's modulus, and toughness are all improved for LLDPE/MWCNTs composites containing 1 and 3 wt % MWCNTs. Compared with LLDPE, the Young's modulus of LLDPE/MWCNTs composites rises from 144.8 to 270.8 MPa at 1 wt % MWCNTs content. At the same time, increases of 18.5% in tensile strength and 16.6% in yield strength are achieved. Additionally, its toughness is enhanced by 26.7% than that of LLDPE. Microstructure characterizations, including differential scanning calorimetry, X‐ray diffraction, and scanning electron microscopy were performed to investigate the variations of microstructure and further to establish the relationship between microstructure and mechanical properties. Homogeneous dispersion of MWCNTs, network formation, and development of an oriented nanohybrid shish‐kebab structure contribute to the enhanced strength and toughness. The increased crystallinity is beneficial to the reinforcement and increased modulus. Additionally, the thermal stability of the LLDPE/MWCNTs composites is enhanced as well. This work suggests a promising routine to optimize polymer/MWCNTs composites by tailoring the structural development. © 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2017, 134, 45525.</abstract><cop>Hoboken</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1002/app.45525</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0003-3043-6529</orcidid></addata></record> |
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| subjects | Alloys Compression tests graphene and fullerenes Heat measurement Hot pressing Low density polyethylenes Materials science Mechanical properties Microstructure Modulus of elasticity molding morphology Multi wall carbon nanotubes Nanotubes Network formation Petrochemicals Polymer matrix composites Polymers Pressure molding Strength structure–property relationships Tensile tests Thermal stability Toughness |
| title | Special morphology and its role in mechanical enhancement of linear low‐density polyethylene/multiwalled carbon nanotubes composites |
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