Preparation and characterization of nanocellulose thin film from brown seaweed (sargassum sp.) reinforced x-carbon nanotube/polyvynil alcohol composites
Nowadays, celluloses not only can regenerate from nature but also by synthesizing with aid of the recent technology advancement. In this study, nanocellulose was extracted from brown seaweed Sargassum sp. via organosolvent and sulphuric acid treatments at specific ratio. It was found, the nanocellul...
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| Format: | Thesis |
| Language: | English English |
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2018
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| Online Access: | https://eprints.ums.edu.my/id/eprint/38968/1/24%20PAGES.pdf https://eprints.ums.edu.my/id/eprint/38968/2/FULLTEXT.pdf |
| _version_ | 1811136391087652864 |
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| author | Florinna Tan |
| author_facet | Florinna Tan |
| author_sort | Florinna Tan |
| collection | UMS |
| description | Nowadays, celluloses not only can regenerate from nature but also by synthesizing with aid of the recent technology advancement. In this study, nanocellulose was extracted from brown seaweed Sargassum sp. via organosolvent and sulphuric acid treatments at specific ratio. It was found, the nanocellulose obtained are mostly crystalline with crystal index 77.1 %. In advance, varied amount of nanocellulose was added into polyvinyl alcohol (PVA) matrix with present of functionalized carbon nanotubes (x-CNT) to form a thin layer film via casting method. The thin films had an average thickness of 0.1 cm and then undergo characterization assessments. The results reveal that the optimized nanocellulose/PVA/x-CNT thin film possessed electrical properties around 2.68 x 10-07 S/m and tensile strength of 13.7 MPa with 62 % of elongation. Hence, nanocellulose/PVA/x-CNT thin film could be potentially utilized as a conductive material in electrical application in the future. |
| first_indexed | 2024-09-24T00:49:50Z |
| format | Thesis |
| id | ums.eprints-38968 |
| institution | Universiti Malaysia Sabah |
| language | English English |
| last_indexed | 2024-09-24T00:49:50Z |
| publishDate | 2018 |
| record_format | dspace |
| spelling | ums.eprints-389682024-06-28T06:28:37Z https://eprints.ums.edu.my/id/eprint/38968/ Preparation and characterization of nanocellulose thin film from brown seaweed (sargassum sp.) reinforced x-carbon nanotube/polyvynil alcohol composites Florinna Tan TA401-492 Materials of engineering and construction. Mechanics of materials Nowadays, celluloses not only can regenerate from nature but also by synthesizing with aid of the recent technology advancement. In this study, nanocellulose was extracted from brown seaweed Sargassum sp. via organosolvent and sulphuric acid treatments at specific ratio. It was found, the nanocellulose obtained are mostly crystalline with crystal index 77.1 %. In advance, varied amount of nanocellulose was added into polyvinyl alcohol (PVA) matrix with present of functionalized carbon nanotubes (x-CNT) to form a thin layer film via casting method. The thin films had an average thickness of 0.1 cm and then undergo characterization assessments. The results reveal that the optimized nanocellulose/PVA/x-CNT thin film possessed electrical properties around 2.68 x 10-07 S/m and tensile strength of 13.7 MPa with 62 % of elongation. Hence, nanocellulose/PVA/x-CNT thin film could be potentially utilized as a conductive material in electrical application in the future. 2018 Thesis NonPeerReviewed text en https://eprints.ums.edu.my/id/eprint/38968/1/24%20PAGES.pdf text en https://eprints.ums.edu.my/id/eprint/38968/2/FULLTEXT.pdf Florinna Tan (2018) Preparation and characterization of nanocellulose thin film from brown seaweed (sargassum sp.) reinforced x-carbon nanotube/polyvynil alcohol composites. Masters thesis, Universiti Malaysia Sabah. |
| spellingShingle | TA401-492 Materials of engineering and construction. Mechanics of materials Florinna Tan Preparation and characterization of nanocellulose thin film from brown seaweed (sargassum sp.) reinforced x-carbon nanotube/polyvynil alcohol composites |
| title | Preparation and characterization of nanocellulose thin film from brown seaweed (sargassum sp.) reinforced x-carbon nanotube/polyvynil alcohol composites |
| title_full | Preparation and characterization of nanocellulose thin film from brown seaweed (sargassum sp.) reinforced x-carbon nanotube/polyvynil alcohol composites |
| title_fullStr | Preparation and characterization of nanocellulose thin film from brown seaweed (sargassum sp.) reinforced x-carbon nanotube/polyvynil alcohol composites |
| title_full_unstemmed | Preparation and characterization of nanocellulose thin film from brown seaweed (sargassum sp.) reinforced x-carbon nanotube/polyvynil alcohol composites |
| title_short | Preparation and characterization of nanocellulose thin film from brown seaweed (sargassum sp.) reinforced x-carbon nanotube/polyvynil alcohol composites |
| title_sort | preparation and characterization of nanocellulose thin film from brown seaweed sargassum sp reinforced x carbon nanotube polyvynil alcohol composites |
| topic | TA401-492 Materials of engineering and construction. Mechanics of materials |
| url | https://eprints.ums.edu.my/id/eprint/38968/1/24%20PAGES.pdf https://eprints.ums.edu.my/id/eprint/38968/2/FULLTEXT.pdf |
| work_keys_str_mv | AT florinnatan preparationandcharacterizationofnanocellulosethinfilmfrombrownseaweedsargassumspreinforcedxcarbonnanotubepolyvynilalcoholcomposites |