Effect of Sugarcane Bagasse Content and Modification on the Properties of Sugarcane Bagasse/Poly(lactic Acid) Biocomposites
In this study, poly(lactic acid) biocomposites were prepared from sugarcane bagasse (SB) via extrusion and injection molding. The effects of the content and inorganic salt modification of SB on the properties of the biocomposites were investigated. The results showed that the incorporation of SB red...
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MDPI AG
2025-04-01
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| Series: | Molecules |
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| author | Youxue Peng Wen Lei Wangwang Yu Yong Chen |
| author_facet | Youxue Peng Wen Lei Wangwang Yu Yong Chen |
| author_sort | Youxue Peng |
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| description | In this study, poly(lactic acid) biocomposites were prepared from sugarcane bagasse (SB) via extrusion and injection molding. The effects of the content and inorganic salt modification of SB on the properties of the biocomposites were investigated. The results showed that the incorporation of SB reduced the biocomposites’ mechanical strength and modulus as well as thermal stability but increased their crystallinity, hydrophobicity, and water absorption compared with neat PLA. Among all the biocomposites, the sample containing 30 wt % SB(SB-30/PLA) had the best comprehensive performances, with tensile strength, tensile modulus, flexural strength, and crystallinity values of 31.78 MPa, 219.49 MPa, 53.25 MPa, and 16.8%, respectively. After SB modification with Na<sub>2</sub>SO<sub>4</sub> and MgSO<sub>4</sub>, the increased interfacial adhesion led to a considerable improvement in reinforcement and increases in the flexural strength, flexural modulus, impact strength, and crystallinity of SB-30/PLA; furthermore, the biocomposite became more thermally stable and hydrophobic and contained much less water. In conclusion, SB-30/PLA, especially after MgSO<sub>4</sub> modification, is an ideal degradable biocomposite for applications in packaging, decoration, and other areas. |
| format | Article |
| id | doaj-art-a4de3e9bdb9f4190bbce576cffa5a8b7 |
| institution | OA Journals |
| issn | 1420-3049 |
| language | English |
| publishDate | 2025-04-01 |
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| series | Molecules |
| spelling | doaj-art-a4de3e9bdb9f4190bbce576cffa5a8b72025-08-20T02:15:58ZengMDPI AGMolecules1420-30492025-04-01307158310.3390/molecules30071583Effect of Sugarcane Bagasse Content and Modification on the Properties of Sugarcane Bagasse/Poly(lactic Acid) BiocompositesYouxue Peng0Wen Lei1Wangwang Yu2Yong Chen3College of Science, Nanjing Forestry University, Nanjing 210037, ChinaCollege of Science, Nanjing Forestry University, Nanjing 210037, ChinaSchool of Mechanical Engineering, Nanjing Vocational University of Industry Technology, Nanjing 210023, ChinaCollege of Science, Nanjing Forestry University, Nanjing 210037, ChinaIn this study, poly(lactic acid) biocomposites were prepared from sugarcane bagasse (SB) via extrusion and injection molding. The effects of the content and inorganic salt modification of SB on the properties of the biocomposites were investigated. The results showed that the incorporation of SB reduced the biocomposites’ mechanical strength and modulus as well as thermal stability but increased their crystallinity, hydrophobicity, and water absorption compared with neat PLA. Among all the biocomposites, the sample containing 30 wt % SB(SB-30/PLA) had the best comprehensive performances, with tensile strength, tensile modulus, flexural strength, and crystallinity values of 31.78 MPa, 219.49 MPa, 53.25 MPa, and 16.8%, respectively. After SB modification with Na<sub>2</sub>SO<sub>4</sub> and MgSO<sub>4</sub>, the increased interfacial adhesion led to a considerable improvement in reinforcement and increases in the flexural strength, flexural modulus, impact strength, and crystallinity of SB-30/PLA; furthermore, the biocomposite became more thermally stable and hydrophobic and contained much less water. In conclusion, SB-30/PLA, especially after MgSO<sub>4</sub> modification, is an ideal degradable biocomposite for applications in packaging, decoration, and other areas.https://www.mdpi.com/1420-3049/30/7/1583poly(lactic acid)sugarcane bagassebiocompositeinorganic salt |
| spellingShingle | Youxue Peng Wen Lei Wangwang Yu Yong Chen Effect of Sugarcane Bagasse Content and Modification on the Properties of Sugarcane Bagasse/Poly(lactic Acid) Biocomposites Molecules poly(lactic acid) sugarcane bagasse biocomposite inorganic salt |
| title | Effect of Sugarcane Bagasse Content and Modification on the Properties of Sugarcane Bagasse/Poly(lactic Acid) Biocomposites |
| title_full | Effect of Sugarcane Bagasse Content and Modification on the Properties of Sugarcane Bagasse/Poly(lactic Acid) Biocomposites |
| title_fullStr | Effect of Sugarcane Bagasse Content and Modification on the Properties of Sugarcane Bagasse/Poly(lactic Acid) Biocomposites |
| title_full_unstemmed | Effect of Sugarcane Bagasse Content and Modification on the Properties of Sugarcane Bagasse/Poly(lactic Acid) Biocomposites |
| title_short | Effect of Sugarcane Bagasse Content and Modification on the Properties of Sugarcane Bagasse/Poly(lactic Acid) Biocomposites |
| title_sort | effect of sugarcane bagasse content and modification on the properties of sugarcane bagasse poly lactic acid biocomposites |
| topic | poly(lactic acid) sugarcane bagasse biocomposite inorganic salt |
| url | https://www.mdpi.com/1420-3049/30/7/1583 |
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