Sifat Mekanik dan Ketebalan Bioplastik dari Kappaphycus alvarezii Menggunakan Variasi Konsentrasi Amilum dengan Pemlastis Gliserol

IF 0.5 4区 地球科学 Q3 Earth and Planetary Sciences Journal of Marine Research Pub Date : 2023-02-01 DOI:10.14710/jmr.v12i1.34169
Kirana Fatika Brilianti, Ali Ridlo, Sri Sedjati
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Abstract

Plastik merupakan bahan yang banyak digunakan dalam kehidupan sehari-hari, tetapi mencemari lingkungan karena plastik tidak dapat diuraikan oleh lingkungan. Penelitian mengenai bioplastik diperlukan untuk bahan alternatif plastik yang mudah terurai. Karagenan dan amilum merupakan polisakarida yang berpotensi sebagai bahan pembuatan bioplastik. Tujuan dari penelitian ini untuk menentukan perbedaan karakteristik (ketebalan, kuat tarik dan elongasi) bioplastik berbahan dasar karagenan dan gliserol terhadap pertambahan konsentrasi amilum. Metode penelitian yang digunakan yaitu Eksperimental Laboratorium. Karagenan diperoleh dari ektraksi K. alvarezii yang berasal dari perairan Jepara, Jawa Tengah. Bioplastik dibuat dengan gelatinasi amilum (1; 2; 3; dan 4 g) dalam 50 ml akuades pada suhu 90ºC selama 15 menit dalam erlenmeyer menggunakan Hot Plate Stirrer. Gliserol 20% ditambahkan dan dihomogenkan selama 5 menit. Suhu diturunkan hingga 70ºC, selanjutnya karagenan 1 g dan akuades ditambahkan hingga volume 150 ml dihomogenkan selama 45 menit. Bioplastik dicetak dan dikeringkan di oven selama 18 jam pada suhu 50ºC. Hasil penelitian menunjukkan bahwa karakteristik bioplastik κ-karagenan dengan penambahan amilum yaitu memiliki kuat tarik 6,42-11,47 MPa, nilai elongasi 7,03-21,88% dan ketebalan 0,13-0,25 mm. Elongasi konsentrasi amilum 1 g telah memenuhi standar SNI. Parameter yang sesuai dengan standar Japanese Industrial Standard yaitu parameter kuat tarik dan ketebalan.   Plastic is a material that is widely used in everyday life, but it pollutes the environment because plastic cannot be decomposed by the environment. Research on bioplastics needs to get alternative materials for plastics that are easily biodegradable. Carrageenan and starch are polysaccharides that have the potential as materials for making bioplastics. This study aimed to determine differences in characteristics (thickness, tensile strength, and elongation) of bioplastics based on carrageenan and glycerol because of increased starch concentration. The research method used is Experimental Laboratory. Carrageenan from the extraction of K. alvarezii from the waters of Jepara, Central Java. Bioplastics were prepared by gelatinization starch (1; 2; 3; and 4 g) in 50 ml of distilled water at 90ºC for 15 minutes in an Erlenmeyer using a Hot Plate Stirrer. Glycerol 20% was added and homogenized for 5 minutes. Lower the temperature to 70ºC, then add 1 g of carrageenan and distilled water until the volume is 150 ml, after that homogenize it for 45 minutes. The bioplastics were molded and dried in the oven for 18 hours at 50ºC. The results showed that the characteristics of κ-carrageenan bioplastic with the addition of starch had a tensile strength of 6.42-11.47 MPa, an elongation value of 7.03-21.88% and a thickness of 0.13-0.25 mm. The elongation of starch concentration of 1 g is in accordance with the SNI standard. Parameters that comply with the Japanese Industrial Standard are the tensile strength and thickness parameters.
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阿尔瓦罗Kappaphycus的机械性质和生物厚度利用了淀粉样醇浓度的不同变化
塑料是一种广泛用于日常生活的材料,但它确实污染了环境,因为它不能被环境定义。生物塑料研究是可生物降解塑料替代的必要条件。Karagenan和amilum是一种潜在的生物塑料制造多糖。本研究的目的是确定碳阿苯酚基生物塑料和甘油对淀粉样浓度增加的影响。使用的研究方法是实验实验室。卡尔阿格诺从爪哇中部的杰帕拉水域获得。生物塑料是用酰胺凝胶制成的(1;2;3;和4 g)温度在50毫升akuades 90ºC 15分钟热盘子erlenmeyer使用Stirrer中。甘油20%加入并均匀化5分钟。温度降低到70ºC,接下来karagenan 1g和akuades增加到150毫升容量dihomogenkan 45分钟。印刷和研发的干燥温度的烤箱里18小时50ºC。研究结果表明,κ研发的生物特征-karagenan增补amilum即有强大吸引力6,42-11,47 MPa,价值7,03-21,88%拉长0,13-0,25毫米厚度。胺1 g浓度的展开符合SNI的标准。符合日本工业标准的参数是强拉和厚度。塑料是一种日常生活中经常使用的材料,但它污染了环境,因为塑料不能被环境破坏。生物塑料研究需要为容易生物降解的塑料获得替代材料。Carrageenan和starch都是polysaccharides,它们具有制造生物塑料的潜在材料。这项研究将确定在characteristics (thickness、tensile strength和reongation)基于carrageenan和glycerol的生物塑性,因为它们增加了注意力集中。研究方法研究是一个实验实验室。来自爪哇中部杰帕拉水域的卡拉吉南。生物塑料是由凝胶星群准备的(1;2;3;和第四师g)在50毫升的distilled water at 90ºC for 15分钟热盘子用a in an Erlenmeyer Stirrer。20%的甘油被添加并均匀5分钟。70ºC的温度,然后下城add 1g carrageenan distilled water著作百科全书》,直到《体积是150毫升,after that homogenize it for 45分钟)。境bioplastics是molded and dried烤箱for at 18小时50ºC。《characteristics of The results那里那个κ-carrageenan bioplastic淀粉的加法,有一只肌腱力量》用6 42-11。47 MPa, an elongation价值》7 . 03-21 13-0 88% and a thickness of 0。25毫米。1克集中注意力的重复与SNI标准一致。与日本工业标准相比,这些参数是肌腱强度和腿筋问题。
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来源期刊
Journal of Marine Research
Journal of Marine Research 地学-海洋学
自引率
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发文量
1
审稿时长
3 months
期刊介绍: The Journal of Marine Research publishes peer-reviewed research articles covering a broad array of topics in physical, biological and chemical oceanography. Articles that deal with processes, as well as those that report significant observations, are welcome. In the area of biology, studies involving coupling between ecological and physical processes are preferred over those that report systematics. Authors benefit from thorough reviews of their manuscripts, where an attempt is made to maximize clarity. The time between submission and publication is kept to a minimum; there is no page charge.
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