Wulandari, Kezia (2023) Pembuatan Plastik Biodegradable Berbahan Pati Dari Limbah Kulit Pisang Raja Dengan Penambahan Kitosan dan Plasticizer Sorbitol. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
An alternative to using conventional plastic is using biodegradable plastic. Biodegradable plastic is made from natural polymer materials such as starch, cellulose and fat. In its manufacture, it requires the addition of other materials, namely chitosan as an adhesive and plasticizer as a plasticizer. The aim of this research is to determine the optimum composition of bioplastic material so that it has mechanical properties, physical properties and biodegradability that comply with applicable bioplastic standards. This research used starch extracted from plantain peels by varying the addition of chitosan (2,3,4,5.6 grams) and varying the addition of sorbitol as a plasticizer (2,3,4,5.6 ml). Plastic manufacturing biodegradable is done by mixing each ingredient and heating at a temperature of 60oC for 1 hour and printing on a glass plate to be oven for 5-6 hours. The results obtained will be tested for tensile strength, elongation using the ASTM D638 standard as a reference, as well as testing for degradability. The best biodegradable plastic was obtained with a composition of 4 grams of starch with the addition of 5 grams of chitosan and 6 ml of sorbitol with a tensile strength value of 49.9380 Mpa and an elongation value of 68.28% and the ability to degrade up to 100% in the third week after being buried in the ground.
| Item Type: | Thesis (Undergraduate) | ||||||||
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| Subjects: | T Technology > TP Chemical technology > TP155 Chemical engineering | ||||||||
| Divisions: | Faculty of Engineering > Departement of Chemical Engineering | ||||||||
| Depositing User: | Kezia Wulandari | ||||||||
| Date Deposited: | 25 Sep 2023 02:21 | ||||||||
| Last Modified: | 25 Sep 2023 02:21 | ||||||||
| URI: | http://repository.upnjatim.ac.id/id/eprint/18032 |
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