Mechanical Properties and Morphological Characterization of PLA/Chitosan/Epoxidized Natural Rubber Composites
Poly (lactic acid) (PLA)/chitosan (CS) natural polymer/epoxidised natural rubber (ENR) composites were successfully prepared through a solution casting method. The morphological characteristics of fabricated composites were investigated by scanning electron microscopy (SEM) and optical microscopy. T...
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| Format: | Article |
| Language: | English |
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Wiley
2013-01-01
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| Series: | Advances in Materials Science and Engineering |
| Online Access: | http://dx.doi.org/10.1155/2013/629092 |
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| author | Zainoha Zakaria Md. Saiful Islam Azman Hassan M. K. Mohamad Haafiz Reza Arjmandi I. M. Inuwa M. Hasan |
| author_facet | Zainoha Zakaria Md. Saiful Islam Azman Hassan M. K. Mohamad Haafiz Reza Arjmandi I. M. Inuwa M. Hasan |
| author_sort | Zainoha Zakaria |
| collection | DOAJ |
| description | Poly (lactic acid) (PLA)/chitosan (CS) natural polymer/epoxidised natural rubber (ENR) composites were successfully prepared through a solution casting method. The morphological characteristics of fabricated composites were investigated by scanning electron microscopy (SEM) and optical microscopy. The microstructure of PLA/ENR was significantly altered with the addition of CS. SEM analysis of composites fractured surfaces revealed smooth and homogeneous texture and good dispersion of CS. However for 15 wt% CS composites, the phase segregation and poor adhesion between the polymers were observed. Fourier transform infrared spectroscopy revealed some levels of attractive interaction between CS, PLA, and ENR in the composites. The mechanical properties of composites in terms of tensile strength and tensile modulus were significantly improved with the addition of CS into the matrix while the percent elongation at break decreased. The tensile strength increased up to 5 wt% CS loading for both PLA/CS and PLA/ENR/CS and thereafter decreased while Young’s modulus increased up to 10 wt%. However, when the CS content was increased to 15 wt%, the tensile strength and tensile modulus were slightly decreased. These improvements were attributed to good dispersion of CS at the optimum filler levels and attractive interaction between the composites components. |
| format | Article |
| id | doaj-art-b27a550151084a899e094e96100fbb2f |
| institution | Kabale University |
| issn | 1687-8434 1687-8442 |
| language | English |
| publishDate | 2013-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in Materials Science and Engineering |
| spelling | doaj-art-b27a550151084a899e094e96100fbb2f2025-08-20T03:39:25ZengWileyAdvances in Materials Science and Engineering1687-84341687-84422013-01-01201310.1155/2013/629092629092Mechanical Properties and Morphological Characterization of PLA/Chitosan/Epoxidized Natural Rubber CompositesZainoha Zakaria0Md. Saiful Islam1Azman Hassan2M. K. Mohamad Haafiz3Reza Arjmandi4I. M. Inuwa5M. Hasan6Department of Chemistry, Faculty of Science, Universiti Teknologi Malaysia, 81310 Skudai, Johor, MalaysiaDepartment of Chemistry, Faculty of Science, Universiti Putra Malaysia, 43400 Serdang, Selangor, MalaysiaDepartment of Polymer Engineering, Faculty of Chemical Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor, MalaysiaDepartment of Polymer Engineering, Faculty of Chemical Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor, MalaysiaDepartment of Polymer Engineering, Faculty of Chemical Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor, MalaysiaDepartment of Polymer Engineering, Faculty of Chemical Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor, MalaysiaDepartment of Polymer Engineering, Faculty of Chemical Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor, MalaysiaPoly (lactic acid) (PLA)/chitosan (CS) natural polymer/epoxidised natural rubber (ENR) composites were successfully prepared through a solution casting method. The morphological characteristics of fabricated composites were investigated by scanning electron microscopy (SEM) and optical microscopy. The microstructure of PLA/ENR was significantly altered with the addition of CS. SEM analysis of composites fractured surfaces revealed smooth and homogeneous texture and good dispersion of CS. However for 15 wt% CS composites, the phase segregation and poor adhesion between the polymers were observed. Fourier transform infrared spectroscopy revealed some levels of attractive interaction between CS, PLA, and ENR in the composites. The mechanical properties of composites in terms of tensile strength and tensile modulus were significantly improved with the addition of CS into the matrix while the percent elongation at break decreased. The tensile strength increased up to 5 wt% CS loading for both PLA/CS and PLA/ENR/CS and thereafter decreased while Young’s modulus increased up to 10 wt%. However, when the CS content was increased to 15 wt%, the tensile strength and tensile modulus were slightly decreased. These improvements were attributed to good dispersion of CS at the optimum filler levels and attractive interaction between the composites components.http://dx.doi.org/10.1155/2013/629092 |
| spellingShingle | Zainoha Zakaria Md. Saiful Islam Azman Hassan M. K. Mohamad Haafiz Reza Arjmandi I. M. Inuwa M. Hasan Mechanical Properties and Morphological Characterization of PLA/Chitosan/Epoxidized Natural Rubber Composites Advances in Materials Science and Engineering |
| title | Mechanical Properties and Morphological Characterization of PLA/Chitosan/Epoxidized Natural Rubber Composites |
| title_full | Mechanical Properties and Morphological Characterization of PLA/Chitosan/Epoxidized Natural Rubber Composites |
| title_fullStr | Mechanical Properties and Morphological Characterization of PLA/Chitosan/Epoxidized Natural Rubber Composites |
| title_full_unstemmed | Mechanical Properties and Morphological Characterization of PLA/Chitosan/Epoxidized Natural Rubber Composites |
| title_short | Mechanical Properties and Morphological Characterization of PLA/Chitosan/Epoxidized Natural Rubber Composites |
| title_sort | mechanical properties and morphological characterization of pla chitosan epoxidized natural rubber composites |
| url | http://dx.doi.org/10.1155/2013/629092 |
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