Development of Poly(lactic acid) Nanocomposites Reinforced with Hydrophobized Bacterial Cellulose
Poly(lactic acid)/bacterial cellulose nanocomposites were prepared by solvent casting. Aiming to reduce the incompatibility between polar bacterial cellulose (BC) and the nonpolar poly(lactic acid) (PLA) matrix which induces filler aggregation and poor reinforcement dispersion, BC was acetylated by...
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| Veröffentlicht in: | Journal of polymers and the environment 2020, Vol.28 (1), p.61-73 |
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| creator | Ávila Ramírez, Jhon Alejandro Bovi, Jimena Bernal, Celina Errea, María Inés Foresti, María Laura |
| description | Poly(lactic acid)/bacterial cellulose nanocomposites were prepared by solvent casting. Aiming to reduce the incompatibility between polar bacterial cellulose (BC) and the nonpolar poly(lactic acid) (PLA) matrix which induces filler aggregation and poor reinforcement dispersion, BC was acetylated by the use of a non-conventional route catalyzed by citric acid. The derivatized BC (AcBC) was incorporated into de PLA matrix at varying filler loadings, and optical, morphological, structural, thermal, tensile and barrier (water vapor) properties of PLA/AcBC in comparison with PLA/BC were evaluated. Noticeable changes in the nanocomposite properties were ascribed to the success of the route proposed to surface hydrophobize BC, which significantly improved its dispersibility within the PLA matrix and the matrix-filler interaction. By the way, the variation of filler loading allowed attaining remarkable increases in the nanocomposite films stiffness without significant reductions in tensile strength and water vapor permeability. |
| doi_str_mv | 10.1007/s10924-019-01581-1 |
| format | Article |
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Aiming to reduce the incompatibility between polar bacterial cellulose (BC) and the nonpolar poly(lactic acid) (PLA) matrix which induces filler aggregation and poor reinforcement dispersion, BC was acetylated by the use of a non-conventional route catalyzed by citric acid. The derivatized BC (AcBC) was incorporated into de PLA matrix at varying filler loadings, and optical, morphological, structural, thermal, tensile and barrier (water vapor) properties of PLA/AcBC in comparison with PLA/BC were evaluated. Noticeable changes in the nanocomposite properties were ascribed to the success of the route proposed to surface hydrophobize BC, which significantly improved its dispersibility within the PLA matrix and the matrix-filler interaction. By the way, the variation of filler loading allowed attaining remarkable increases in the nanocomposite films stiffness without significant reductions in tensile strength and water vapor permeability.</description><identifier>ISSN: 1566-2543</identifier><identifier>EISSN: 1572-8919</identifier><identifier>DOI: 10.1007/s10924-019-01581-1</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Acids ; Bacteria ; Cellulose ; Chemistry ; Chemistry and Materials Science ; Citric acid ; Dispersion ; Environmental Chemistry ; Environmental Engineering/Biotechnology ; Incompatibility ; Industrial Chemistry/Chemical Engineering ; Materials Science ; Nanocomposites ; Optical properties ; Original Paper ; Permeability ; Polylactic acid ; Polymer Sciences ; Stiffness ; Tensile strength ; Water vapor</subject><ispartof>Journal of polymers and the environment, 2020, Vol.28 (1), p.61-73</ispartof><rights>Springer Science+Business Media, LLC, part of Springer Nature 2019</rights><rights>Journal of Polymers and the Environment is a copyright of Springer, (2019). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c356t-cd4ea2431b5ce9cfc86c8cc01118dbdd6cc4b3e618204cb874b96cc132748d073</citedby><cites>FETCH-LOGICAL-c356t-cd4ea2431b5ce9cfc86c8cc01118dbdd6cc4b3e618204cb874b96cc132748d073</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10924-019-01581-1$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10924-019-01581-1$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27923,27924,41487,42556,51318</link.rule.ids></links><search><creatorcontrib>Ávila Ramírez, Jhon Alejandro</creatorcontrib><creatorcontrib>Bovi, Jimena</creatorcontrib><creatorcontrib>Bernal, Celina</creatorcontrib><creatorcontrib>Errea, María Inés</creatorcontrib><creatorcontrib>Foresti, María Laura</creatorcontrib><title>Development of Poly(lactic acid) Nanocomposites Reinforced with Hydrophobized Bacterial Cellulose</title><title>Journal of polymers and the environment</title><addtitle>J Polym Environ</addtitle><description>Poly(lactic acid)/bacterial cellulose nanocomposites were prepared by solvent casting. Aiming to reduce the incompatibility between polar bacterial cellulose (BC) and the nonpolar poly(lactic acid) (PLA) matrix which induces filler aggregation and poor reinforcement dispersion, BC was acetylated by the use of a non-conventional route catalyzed by citric acid. The derivatized BC (AcBC) was incorporated into de PLA matrix at varying filler loadings, and optical, morphological, structural, thermal, tensile and barrier (water vapor) properties of PLA/AcBC in comparison with PLA/BC were evaluated. Noticeable changes in the nanocomposite properties were ascribed to the success of the route proposed to surface hydrophobize BC, which significantly improved its dispersibility within the PLA matrix and the matrix-filler interaction. By the way, the variation of filler loading allowed attaining remarkable increases in the nanocomposite films stiffness without significant reductions in tensile strength and water vapor permeability.</description><subject>Acids</subject><subject>Bacteria</subject><subject>Cellulose</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Citric acid</subject><subject>Dispersion</subject><subject>Environmental Chemistry</subject><subject>Environmental Engineering/Biotechnology</subject><subject>Incompatibility</subject><subject>Industrial Chemistry/Chemical Engineering</subject><subject>Materials Science</subject><subject>Nanocomposites</subject><subject>Optical properties</subject><subject>Original Paper</subject><subject>Permeability</subject><subject>Polylactic acid</subject><subject>Polymer Sciences</subject><subject>Stiffness</subject><subject>Tensile strength</subject><subject>Water vapor</subject><issn>1566-2543</issn><issn>1572-8919</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp9kE9LxDAQxYsouK5-AU8FL3qoZpK0TY66_llhURE9h3aSul2yTU26yvrpzbqCNw_DDI_3ewMvSY6BnAMh5UUAIinPCMg4uYAMdpIR5CXNhAS5u7mLIqM5Z_vJQQgLQoiM4Ciprs2Hsa5fmm5IXZM-Obs-tRUOLaYVtvosfag6h27Zu9AOJqTPpu0a59Ho9LMd5ul0rb3r565uv6J0FUnj28qmE2PtyrpgDpO9prLBHP3ucfJ6e_MymWazx7v7yeUsQ5YXQ4aam4pyBnWORmKDokCBSABA6FrrApHXzBQgKOFYi5LXMmrAaMmFJiUbJyfb3N6795UJg1q4le_iS0UZ58BJLmV00a0LvQvBm0b1vl1Wfq2AqE2ValulilWqnyoVRIhtoRDN3Zvxf9H_UN_4PHgE</recordid><startdate>2020</startdate><enddate>2020</enddate><creator>Ávila Ramírez, Jhon Alejandro</creator><creator>Bovi, Jimena</creator><creator>Bernal, Celina</creator><creator>Errea, María Inés</creator><creator>Foresti, María Laura</creator><general>Springer US</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7SR</scope><scope>7XB</scope><scope>88I</scope><scope>8AO</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FK</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>M2P</scope><scope>PATMY</scope><scope>PCBAR</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PYCSY</scope><scope>Q9U</scope></search><sort><creationdate>2020</creationdate><title>Development of Poly(lactic acid) Nanocomposites Reinforced with Hydrophobized Bacterial Cellulose</title><author>Ávila Ramírez, Jhon Alejandro ; 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Aiming to reduce the incompatibility between polar bacterial cellulose (BC) and the nonpolar poly(lactic acid) (PLA) matrix which induces filler aggregation and poor reinforcement dispersion, BC was acetylated by the use of a non-conventional route catalyzed by citric acid. The derivatized BC (AcBC) was incorporated into de PLA matrix at varying filler loadings, and optical, morphological, structural, thermal, tensile and barrier (water vapor) properties of PLA/AcBC in comparison with PLA/BC were evaluated. Noticeable changes in the nanocomposite properties were ascribed to the success of the route proposed to surface hydrophobize BC, which significantly improved its dispersibility within the PLA matrix and the matrix-filler interaction. 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| subjects | Acids Bacteria Cellulose Chemistry Chemistry and Materials Science Citric acid Dispersion Environmental Chemistry Environmental Engineering/Biotechnology Incompatibility Industrial Chemistry/Chemical Engineering Materials Science Nanocomposites Optical properties Original Paper Permeability Polylactic acid Polymer Sciences Stiffness Tensile strength Water vapor |
| title | Development of Poly(lactic acid) Nanocomposites Reinforced with Hydrophobized Bacterial Cellulose |
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