Hakim, Akhmad Affan (2018) Studi Komparasi Penambahan Filler Organik Terhadap Peningkatan Kekuatan Sifat Mekanik Dan Thermal Komposit Biodegredabel Poly (Lactic Acid) Pada Aplikasi Plastik Green Material. Undergraduate thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Pesatnya penggunaan plastik sampai saat ini belum bisa tergantikan. Plastik yang beredar terbuat dari minyak hidrokarbon yang mencemari lingkungan dan lama terdegradasi. Penggunaan greenmaterial merupakan solusi untuk merawat lingkungan. Penelitian ini memuat tentang pemanfaatan Poly(Lactid Acid) (PLA) yang merupakan polimer termoplastik berbasis asam laktat dan digunakan dalam produk biodegradable serta keperluan medis. Pada penelitian ini dilakukan komparasi penambahan filler organik terhadap peningkatan sifat mekanik. Pemilihan filler didasari pada unsur organik, renewable, dan ekonomis. Matrik PLA dipadukan dengan filler berupa Chitosan, Pati Singkong, Gliserol, Selulosa dan Sorbitol. Metode yang digunakan diawali dengan pengeringan serbuk filler, tempering pada 35 oC selama 24 jam untuk mengurangi kadar air yang masih terkandung dalam bahan. Matrix PLA dan filler pengisi dipadukan menggunakan alat bernama hotplatte dengan komposisi filler 10% untuk selanjutnya dibentuk menjadi sampel uji. Didapatkan dengan penambahan filler selulosa(10%) terjadi peningkatan yang paling baik, yaitu kekuatan tarik 1,39 J, impact 5,37 Mpa. Dengan penambahan filler sorbitol menunjukkan laju biodegradasi dan kestabilan termal paling baik, degradabilitas dengan masa akhir setelah direndam dalam air selama 6 minggu, sebesar 96.2 % dan ketahanan temperatur 359,7 oC.
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The rapid use of plastic to date has not been replaced. The outstanding plastics are made from hydrocarbon oils that pollute the environment and are degraded for long. The use of greenmaterial is a solution to care for the environment. This study includes the use of Poly (Lactid Acid) (PLA) which is a lactic acid-based thermoplastic polymer and used in biodegradable products and medical purposes. In this study comparative addition of organic filler to the increase of mechanical properties. The choice of filler is based on organic, renewable, and economical elements. PLA matrix is combined with filler in the form of Chitosan, Pati Cassava, Glycerol, Cellulose and Sorbitol. The method used begins with the drying of the filler powder, thempering at 35 ° C for 24 hours to reduce the moisture content still contained in the material. The PLA matrix and filler filler are combined using a tool called hotplatte with a filler composition of 10% to further be formed into a test sample. Obtained with addition of cellulose filler (10%) happened the best improvement, that is tensile strength 1,39 J, impact 5,37 Mpa. With addition of filler sorbitol showed the best rate of biodegradation and thermal stability, degradability with end time after soaking in water for 6 weeks, 96.2% and temperature resistance 359.7 oC.
| Item Type: | Thesis (Undergraduate) |
|---|---|
| Additional Information: | RSMt 620.118 Hak s 3100018075892 |
| Uncontrolled Keywords: | polylactic acid, selulosa, biodegradabel, tensile properties, impact properties, Biobased filler, biodegradation, mechanical properties, vinylester |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) > TA418.9 Composite materials. Laminated materials. |
| Divisions: | Faculty of Industrial Technology > Material & Metallurgical Engineering > 28201-(S1) Undergraduate Thesis |
| Depositing User: | Akhmad Affan Hakim |
| Date Deposited: | 06 Feb 2019 03:48 |
| Last Modified: | 21 Oct 2020 07:04 |
| URI: | http://repository.its.ac.id/id/eprint/53449 |
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