Manipulation of the properties of PLA nanocomposites by controlling the distribution of nanoclay via varying the acrylonitrile content in NBR rubber
Nanocomposites based on blends of polylactide (PLA), acrylonitrile butadiene rubber (NBR) and 4 wt% organically modified nanoclay (Cloisite 10A) were prepared via melt compounding. To investigate the influence of NBR acrylonitrile (ACN) content on the dispersion state and localization of nanoclay an...
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| Veröffentlicht in: | Polymer testing 2018-02, Vol.65, p.313-321 |
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| creator | Maroufkhani, Mahshid Katbab, AliAsghar Zhang, Jinwen |
| description | Nanocomposites based on blends of polylactide (PLA), acrylonitrile butadiene rubber (NBR) and 4 wt% organically modified nanoclay (Cloisite 10A) were prepared via melt compounding. To investigate the influence of NBR acrylonitrile (ACN) content on the dispersion state and localization of nanoclay and micromorphology of the blends, three different NBRs with low (19%), medium (33%) and high (51%) ACN content were employed. Nanocomposites with low ACN NBR exhibited higher dispersion of clay nanolayers within the PLA matrix, whereas increase in ACN content gave rise to the localization of silicate platelets within the interface of two phases which was consistent well with the enhanced interfacial interaction between PLA and NBR phases that was evidenced by surface tension and melt rheology analysis. The size of dispersed NBR droplets decreased by the incorporation of organoclay into the composition of all PLA/NBR blends irrespective of the ACN content. However, the reduction in NBR droplet size by the nanoclay layers showed to be more pronounced for the nanocomposites based on high ACN rubber phase as a result of higher localization of nanoclay platelets within the interface of the PLA and NBR. All nanocomposites exhibited significant increase in elongation at break than simple blend counterparts, implying intensification of PLA and NBR interface by nanoclay incorporation.
•Irrespective of its ACN content, the droplets size of NBR in PLA decreased by the incorporation of nanoclay.•NBR with low ACN content promoted better dispersion of clay nanolayers in the PLA matrix.•Increase in ACN content of NBR favored the localization of nanoclay within the interface of two polymer phases.•Nanocomposites with NBR of lower ACN content exhibited larger reduction in the slope of storage modulus.•The interface of PLA/NBR reinforced by incorporation of nanoclay, as elongation at break increased for nanocomposites. |
| doi_str_mv | 10.1016/j.polymertesting.2017.12.008 |
| format | Article |
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•Irrespective of its ACN content, the droplets size of NBR in PLA decreased by the incorporation of nanoclay.•NBR with low ACN content promoted better dispersion of clay nanolayers in the PLA matrix.•Increase in ACN content of NBR favored the localization of nanoclay within the interface of two polymer phases.•Nanocomposites with NBR of lower ACN content exhibited larger reduction in the slope of storage modulus.•The interface of PLA/NBR reinforced by incorporation of nanoclay, as elongation at break increased for nanocomposites.</description><identifier>ISSN: 0142-9418</identifier><identifier>EISSN: 1873-2348</identifier><identifier>DOI: 10.1016/j.polymertesting.2017.12.008</identifier><language>eng</language><publisher>Barking: Elsevier Ltd</publisher><subject>Acrylonitrile ; Butadiene ; Clay ; Dispersion ; Elongation ; Nanoclay ; Nanocomposites ; Nitrile rubber ; Platelets (materials) ; Polylactide ; Polymer blends ; Position (location) ; Rheological properties ; Rheology ; Rubber ; Surface tension</subject><ispartof>Polymer testing, 2018-02, Vol.65, p.313-321</ispartof><rights>2017</rights><rights>Copyright Elsevier BV Feb 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c424t-411413b54eae14e375cb54a04c954a25d9ae47fa8f3c408b26322c695e09798b3</citedby><cites>FETCH-LOGICAL-c424t-411413b54eae14e375cb54a04c954a25d9ae47fa8f3c408b26322c695e09798b3</cites><orcidid>0000-0001-8828-114X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.polymertesting.2017.12.008$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Maroufkhani, Mahshid</creatorcontrib><creatorcontrib>Katbab, AliAsghar</creatorcontrib><creatorcontrib>Zhang, Jinwen</creatorcontrib><title>Manipulation of the properties of PLA nanocomposites by controlling the distribution of nanoclay via varying the acrylonitrile content in NBR rubber</title><title>Polymer testing</title><description>Nanocomposites based on blends of polylactide (PLA), acrylonitrile butadiene rubber (NBR) and 4 wt% organically modified nanoclay (Cloisite 10A) were prepared via melt compounding. To investigate the influence of NBR acrylonitrile (ACN) content on the dispersion state and localization of nanoclay and micromorphology of the blends, three different NBRs with low (19%), medium (33%) and high (51%) ACN content were employed. Nanocomposites with low ACN NBR exhibited higher dispersion of clay nanolayers within the PLA matrix, whereas increase in ACN content gave rise to the localization of silicate platelets within the interface of two phases which was consistent well with the enhanced interfacial interaction between PLA and NBR phases that was evidenced by surface tension and melt rheology analysis. The size of dispersed NBR droplets decreased by the incorporation of organoclay into the composition of all PLA/NBR blends irrespective of the ACN content. However, the reduction in NBR droplet size by the nanoclay layers showed to be more pronounced for the nanocomposites based on high ACN rubber phase as a result of higher localization of nanoclay platelets within the interface of the PLA and NBR. All nanocomposites exhibited significant increase in elongation at break than simple blend counterparts, implying intensification of PLA and NBR interface by nanoclay incorporation.
•Irrespective of its ACN content, the droplets size of NBR in PLA decreased by the incorporation of nanoclay.•NBR with low ACN content promoted better dispersion of clay nanolayers in the PLA matrix.•Increase in ACN content of NBR favored the localization of nanoclay within the interface of two polymer phases.•Nanocomposites with NBR of lower ACN content exhibited larger reduction in the slope of storage modulus.•The interface of PLA/NBR reinforced by incorporation of nanoclay, as elongation at break increased for nanocomposites.</description><subject>Acrylonitrile</subject><subject>Butadiene</subject><subject>Clay</subject><subject>Dispersion</subject><subject>Elongation</subject><subject>Nanoclay</subject><subject>Nanocomposites</subject><subject>Nitrile rubber</subject><subject>Platelets (materials)</subject><subject>Polylactide</subject><subject>Polymer blends</subject><subject>Position (location)</subject><subject>Rheological properties</subject><subject>Rheology</subject><subject>Rubber</subject><subject>Surface tension</subject><issn>0142-9418</issn><issn>1873-2348</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNqNkUtLxDAUhYMoOD7-Q0C3rUmaTlNwo-ILxgei65BmbjVDJ6lJOtD_4Q82M6MLd64uCed8l3MPQqeU5JTQ6dki7103LsFHCNHY95wRWuWU5YSIHTShoioyVnCxiyaEcpbVnIp9dBDCghBSJsIEfT0oa_qhU9E4i12L4wfg3rs-QQ2E9c_z7AJbZZ12y94Fk3bhZsTa2ehd16W1G8_chOhNM_xyNo5OjXhlFF4pP_4KlfZj56xJ6g42GLARG4sfL1-wH5oG_BHaa1UX4PhnHqK3m-vXq7ts9nR7f3UxyzRnPGacUk6LpuSggHIoqlKnhyJc12mwcl4r4FWrRFtoTkTDpgVjelqXQOqqFk1xiE623BT4c0g3lAs3eJtWynRJQdi0FjSpzrcq7V0IHlrZe7NMiSQlct2DXMi_PazdlaRMph6S_WZrh5RkZcDLoA1YDXPjQUc5d-Z_oG9ij53A</recordid><startdate>201802</startdate><enddate>201802</enddate><creator>Maroufkhani, Mahshid</creator><creator>Katbab, AliAsghar</creator><creator>Zhang, Jinwen</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0001-8828-114X</orcidid></search><sort><creationdate>201802</creationdate><title>Manipulation of the properties of PLA nanocomposites by controlling the distribution of nanoclay via varying the acrylonitrile content in NBR rubber</title><author>Maroufkhani, Mahshid ; Katbab, AliAsghar ; Zhang, Jinwen</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c424t-411413b54eae14e375cb54a04c954a25d9ae47fa8f3c408b26322c695e09798b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Acrylonitrile</topic><topic>Butadiene</topic><topic>Clay</topic><topic>Dispersion</topic><topic>Elongation</topic><topic>Nanoclay</topic><topic>Nanocomposites</topic><topic>Nitrile rubber</topic><topic>Platelets (materials)</topic><topic>Polylactide</topic><topic>Polymer blends</topic><topic>Position (location)</topic><topic>Rheological properties</topic><topic>Rheology</topic><topic>Rubber</topic><topic>Surface tension</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Maroufkhani, Mahshid</creatorcontrib><creatorcontrib>Katbab, AliAsghar</creatorcontrib><creatorcontrib>Zhang, Jinwen</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Polymer testing</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Maroufkhani, Mahshid</au><au>Katbab, AliAsghar</au><au>Zhang, Jinwen</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Manipulation of the properties of PLA nanocomposites by controlling the distribution of nanoclay via varying the acrylonitrile content in NBR rubber</atitle><jtitle>Polymer testing</jtitle><date>2018-02</date><risdate>2018</risdate><volume>65</volume><spage>313</spage><epage>321</epage><pages>313-321</pages><issn>0142-9418</issn><eissn>1873-2348</eissn><abstract>Nanocomposites based on blends of polylactide (PLA), acrylonitrile butadiene rubber (NBR) and 4 wt% organically modified nanoclay (Cloisite 10A) were prepared via melt compounding. To investigate the influence of NBR acrylonitrile (ACN) content on the dispersion state and localization of nanoclay and micromorphology of the blends, three different NBRs with low (19%), medium (33%) and high (51%) ACN content were employed. Nanocomposites with low ACN NBR exhibited higher dispersion of clay nanolayers within the PLA matrix, whereas increase in ACN content gave rise to the localization of silicate platelets within the interface of two phases which was consistent well with the enhanced interfacial interaction between PLA and NBR phases that was evidenced by surface tension and melt rheology analysis. The size of dispersed NBR droplets decreased by the incorporation of organoclay into the composition of all PLA/NBR blends irrespective of the ACN content. However, the reduction in NBR droplet size by the nanoclay layers showed to be more pronounced for the nanocomposites based on high ACN rubber phase as a result of higher localization of nanoclay platelets within the interface of the PLA and NBR. All nanocomposites exhibited significant increase in elongation at break than simple blend counterparts, implying intensification of PLA and NBR interface by nanoclay incorporation.
•Irrespective of its ACN content, the droplets size of NBR in PLA decreased by the incorporation of nanoclay.•NBR with low ACN content promoted better dispersion of clay nanolayers in the PLA matrix.•Increase in ACN content of NBR favored the localization of nanoclay within the interface of two polymer phases.•Nanocomposites with NBR of lower ACN content exhibited larger reduction in the slope of storage modulus.•The interface of PLA/NBR reinforced by incorporation of nanoclay, as elongation at break increased for nanocomposites.</abstract><cop>Barking</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.polymertesting.2017.12.008</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0001-8828-114X</orcidid></addata></record> |
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| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; ScienceDirect Journals (5 years ago - present) |
| subjects | Acrylonitrile Butadiene Clay Dispersion Elongation Nanoclay Nanocomposites Nitrile rubber Platelets (materials) Polylactide Polymer blends Position (location) Rheological properties Rheology Rubber Surface tension |
| title | Manipulation of the properties of PLA nanocomposites by controlling the distribution of nanoclay via varying the acrylonitrile content in NBR rubber |
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