Enhancement of mechanical, rheological and antifungal properties of polylactic acid/ethylene–vinyl-acetate blend by triacetin plasticizer
In this study, a compatible blend of 85 wt% polylactic acid and 15wt%poly(ethylene vinyl acetate) (PLA85/EVA15) was added with different amounts of Triacetin (TRI) as a plasticizer. The thermal, tensile, rheological, antifungal and morphological properties of the unplasticized blend, plasticized ble...
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| Veröffentlicht in: | Journal of polymer research 2023-07, Vol.30 (7), Article 259 |
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| creator | Johar, Munirah Zarkasi, Kamarul Zaman Zaini, Nurul Aizan Mohd Rusli, Arjulizan |
| description | In this study, a compatible blend of 85 wt% polylactic acid and 15wt%poly(ethylene vinyl acetate) (PLA85/EVA15) was added with different amounts of Triacetin (TRI) as a plasticizer. The thermal, tensile, rheological, antifungal and morphological properties of the unplasticized blend, plasticized blends (PLA/EVA-TRI) and plasticized PLA (PLA/TRI) were studied. Thermal stability improved as TRI increased up to 20 wt% while crystallinities continuously increased in the presence of 5—25 wt%TRI. The presence of 15 wt% TRI revealed tensile strength reduced to 21.28 MPa but toughness significantly improved when elongation at break increased up to 280%. At a similar amount of plasticizer based on the weight of the compound, PLA85/EVA15-TRI25 showed comparable thermal properties and tensile strength but higher elongation at break compared with PLA80/TRI20 indicating the importance of EVA in improving the properties of plasticized PLA. Antifungal ability against Aspergillus sp., Penicillium sp, and Fusarium sp improved with the increasing amount of TRI. |
| doi_str_mv | 10.1007/s10965-023-03630-9 |
| format | Article |
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The thermal, tensile, rheological, antifungal and morphological properties of the unplasticized blend, plasticized blends (PLA/EVA-TRI) and plasticized PLA (PLA/TRI) were studied. Thermal stability improved as TRI increased up to 20 wt% while crystallinities continuously increased in the presence of 5—25 wt%TRI. The presence of 15 wt% TRI revealed tensile strength reduced to 21.28 MPa but toughness significantly improved when elongation at break increased up to 280%. At a similar amount of plasticizer based on the weight of the compound, PLA85/EVA15-TRI25 showed comparable thermal properties and tensile strength but higher elongation at break compared with PLA80/TRI20 indicating the importance of EVA in improving the properties of plasticized PLA. Antifungal ability against Aspergillus sp., Penicillium sp, and Fusarium sp improved with the increasing amount of TRI.</description><identifier>ISSN: 1022-9760</identifier><identifier>EISSN: 1572-8935</identifier><identifier>DOI: 10.1007/s10965-023-03630-9</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Analysis ; Biopolymers ; Characterization and Evaluation of Materials ; Chemistry ; Chemistry and Materials Science ; Elongation ; Ethylene ; Ethylene vinyl acetates ; Fungi ; Fungicides ; Industrial Chemistry/Chemical Engineering ; Mechanical properties ; Original Paper ; Plasticizers ; Polylactic acid ; Polymer blends ; Polymer Sciences ; Rheological properties ; Rheology ; Tensile strength ; Thermal properties ; Thermal stability ; Thermodynamic properties ; Triacetin</subject><ispartof>Journal of polymer research, 2023-07, Vol.30 (7), Article 259</ispartof><rights>The Polymer Society, Taipei 2023. 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The thermal, tensile, rheological, antifungal and morphological properties of the unplasticized blend, plasticized blends (PLA/EVA-TRI) and plasticized PLA (PLA/TRI) were studied. Thermal stability improved as TRI increased up to 20 wt% while crystallinities continuously increased in the presence of 5—25 wt%TRI. The presence of 15 wt% TRI revealed tensile strength reduced to 21.28 MPa but toughness significantly improved when elongation at break increased up to 280%. At a similar amount of plasticizer based on the weight of the compound, PLA85/EVA15-TRI25 showed comparable thermal properties and tensile strength but higher elongation at break compared with PLA80/TRI20 indicating the importance of EVA in improving the properties of plasticized PLA. Antifungal ability against Aspergillus sp., Penicillium sp, and Fusarium sp improved with the increasing amount of TRI.</description><subject>Analysis</subject><subject>Biopolymers</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Elongation</subject><subject>Ethylene</subject><subject>Ethylene vinyl acetates</subject><subject>Fungi</subject><subject>Fungicides</subject><subject>Industrial Chemistry/Chemical Engineering</subject><subject>Mechanical properties</subject><subject>Original Paper</subject><subject>Plasticizers</subject><subject>Polylactic acid</subject><subject>Polymer blends</subject><subject>Polymer Sciences</subject><subject>Rheological properties</subject><subject>Rheology</subject><subject>Tensile strength</subject><subject>Thermal properties</subject><subject>Thermal stability</subject><subject>Thermodynamic properties</subject><subject>Triacetin</subject><issn>1022-9760</issn><issn>1572-8935</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNp9kb9uFDEQxi0EEuHCC1BZomUT_4m9u2UUhYAUiYbUlm88vnO0Zy-2D2mp6CnzhnkSfCwSHbIszzf6fmOPh5B3nF1wxvrLwtmoVceE7JjUknXjC3LGVS-6YZTqZYuZEN3Ya_aavCnlkTGlej2ckV-3cW8j4AFjpcnTA0LTAez0geY9pintToLa6NquwR_jrsk5pxlzDVhO0JymZbJQA1ALwV1i3S8TRnz--fQ9xGXqLGC1Fem2ZR3dLrTmcMqFSOfJlgaGH5jPyStvp4Jv_54b8vDx9uvNp-7-y93nm-v7DqQaaucc81ulvOpHDwNwoZzFK2nZ6OSwZVa4ETx3DKC3mmng3IFkIK0atPLNtCHv17qti29HLNU8pmOO7UojBqHloK7aR27Ixepq_aIJ0aeaLbTl8BAgRfSh5a97JbmWWg0NECsAOZWS0Zs5h4PNi-HMnKZk1imZVtz8mZIZGyRXqDRz3GH-95b_UL8Bm62Z1Q</recordid><startdate>20230701</startdate><enddate>20230701</enddate><creator>Johar, Munirah</creator><creator>Zarkasi, Kamarul Zaman</creator><creator>Zaini, Nurul Aizan Mohd</creator><creator>Rusli, Arjulizan</creator><general>Springer Netherlands</general><general>Springer</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0001-9269-3972</orcidid><orcidid>https://orcid.org/0000-0001-6582-931X</orcidid><orcidid>https://orcid.org/0000-0002-6975-501X</orcidid></search><sort><creationdate>20230701</creationdate><title>Enhancement of mechanical, rheological and antifungal properties of polylactic acid/ethylene–vinyl-acetate blend by triacetin plasticizer</title><author>Johar, Munirah ; Zarkasi, Kamarul Zaman ; Zaini, Nurul Aizan Mohd ; Rusli, Arjulizan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c358t-dd0fb55f579fc8c125dae43a09d38b0a2d9cf1d0cc7a606c11dc30c3a5865f9d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Analysis</topic><topic>Biopolymers</topic><topic>Characterization and Evaluation of Materials</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Elongation</topic><topic>Ethylene</topic><topic>Ethylene vinyl acetates</topic><topic>Fungi</topic><topic>Fungicides</topic><topic>Industrial Chemistry/Chemical Engineering</topic><topic>Mechanical properties</topic><topic>Original Paper</topic><topic>Plasticizers</topic><topic>Polylactic acid</topic><topic>Polymer blends</topic><topic>Polymer Sciences</topic><topic>Rheological properties</topic><topic>Rheology</topic><topic>Tensile strength</topic><topic>Thermal properties</topic><topic>Thermal stability</topic><topic>Thermodynamic properties</topic><topic>Triacetin</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Johar, Munirah</creatorcontrib><creatorcontrib>Zarkasi, Kamarul Zaman</creatorcontrib><creatorcontrib>Zaini, Nurul Aizan Mohd</creatorcontrib><creatorcontrib>Rusli, Arjulizan</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of polymer research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Johar, Munirah</au><au>Zarkasi, Kamarul Zaman</au><au>Zaini, Nurul Aizan Mohd</au><au>Rusli, Arjulizan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Enhancement of mechanical, rheological and antifungal properties of polylactic acid/ethylene–vinyl-acetate blend by triacetin plasticizer</atitle><jtitle>Journal of polymer research</jtitle><stitle>J Polym Res</stitle><date>2023-07-01</date><risdate>2023</risdate><volume>30</volume><issue>7</issue><artnum>259</artnum><issn>1022-9760</issn><eissn>1572-8935</eissn><abstract>In this study, a compatible blend of 85 wt% polylactic acid and 15wt%poly(ethylene vinyl acetate) (PLA85/EVA15) was added with different amounts of Triacetin (TRI) as a plasticizer. The thermal, tensile, rheological, antifungal and morphological properties of the unplasticized blend, plasticized blends (PLA/EVA-TRI) and plasticized PLA (PLA/TRI) were studied. Thermal stability improved as TRI increased up to 20 wt% while crystallinities continuously increased in the presence of 5—25 wt%TRI. The presence of 15 wt% TRI revealed tensile strength reduced to 21.28 MPa but toughness significantly improved when elongation at break increased up to 280%. At a similar amount of plasticizer based on the weight of the compound, PLA85/EVA15-TRI25 showed comparable thermal properties and tensile strength but higher elongation at break compared with PLA80/TRI20 indicating the importance of EVA in improving the properties of plasticized PLA. 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| subjects | Analysis Biopolymers Characterization and Evaluation of Materials Chemistry Chemistry and Materials Science Elongation Ethylene Ethylene vinyl acetates Fungi Fungicides Industrial Chemistry/Chemical Engineering Mechanical properties Original Paper Plasticizers Polylactic acid Polymer blends Polymer Sciences Rheological properties Rheology Tensile strength Thermal properties Thermal stability Thermodynamic properties Triacetin |
| title | Enhancement of mechanical, rheological and antifungal properties of polylactic acid/ethylene–vinyl-acetate blend by triacetin plasticizer |
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