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Characterization of Biodegradable Plastic Nata De Soya Using Glycerol and Palm Oil Addictive Substances Iryani Iryani; Iswendi Iswendi; Sri Benti Etika; Citra Devira; Regi Fadila Putra
EKSAKTA: Berkala Ilmiah Bidang MIPA Vol. 22 No. 3 (2021): Eksakta : Berkala Ilmiah Bidang MIPA (E-ISSN : 2549-7464)
Publisher : Faculty of Mathematics and Natural Sciences (FMIPA), Universitas Negeri Padang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (821.117 KB) | DOI: 10.24036/eksakta/vol22-iss3/285

Abstract

This research aimed to analyze the characterization of biodegradable plastic nata de soya (NDS). The addictive substance used to manufacture this plastic is a mixture of glycerol and palm oil with a saturated solution of arabic gum as an emulsifier. The volume variations are A (10:5:15) mL, B (10:10:30) mL, C (10:15:45) mL, control is (10 mL of 3% glycerol) and soaking time for NDS sheets with additives are 4, 6, and 8 days. The results showed that the highest degradation power of NDS is 87% in the variation of additive C with an immersion period of 8 days had a degree of crystallinity of 8.075%. The water resistance test was 318% in an immersion of NDS plastic with a variation of C for four days had a degree of crystallinity of 12.47%. The highest tensile strength value of plastic was 23.459 MPa in the composition of additive C with four days of immersion and had a degree of crystallinity of 13.172%.