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All Journal Journal of Vocational Studies on Applied Research Ulil Albab
Dermawan, Bagas
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Characteristics of Biodegradable Plastic From Cassava Starch With α-Cyclodextrin Based On Chitosan And Glycerol Composition Purwanti, Oktavia Tri; Shabrina, Alifa Nur; Dermawan, Bagas; Insani, Reza Kautsar
Journal of Vocational Studies on Applied Research Volume 6, Issue 2, Year 2024 (October 2024)
Publisher : Vocational College of Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jvsar.v6i2.25114

Abstract

Plastic waste is one of the big problems in Indonesia. Plastic cannot be decomposed and is degraded by microorganisms. Therefore, research is needed on plastic materials that can be broken down, which is biodegradable plastic. Biodegradable plastic can be made from tuber materials such as cassava starch and chitosan composites which are easily degraded by microorganisms. The addition of α -cyclodextrin and glycerol is expected to add flexibility and elasticity to biodegradable plastic. At the stage of making biodegradable plastic, biodegradable plastic material is made by using a blending method and dried at an oven temperature of 50°C for 20 hours. The main ingredients of biodegradable plastic are cassava starch 0,65 gram and α -cyclodextrin 3,25 gram. Additional ingredients are glycerol (1; 1,5; and 2) mL and chitosan (1,3; 1,35; and 1,4) grams. The characteristics of biodegradable plastic were carried out by FTIR analysis, tensile strength test, elongation test, and biodegradable test. Biodegradable plastic test results for optimal tensile strength values for 1 mL glycerol and 1,4 gram chitosan were found to be 5,26 Mpa. The optimal percent elongation test results were 131, 7% for 1,5 mL glycerol and 1,3 gram chitosan. In the biodegradation test, biodegradable plastic was degraded on the 7 days.  
Menganalisis Perbandingan Administrasi Publik pada Negara Thailand dan Jepang Salsabila, Mutiara; Dermawan, Bagas; Fadel, Fadel; Afrizal, Afrizal; Tarissaputra, Retdian
ULIL ALBAB : Jurnal Ilmiah Multidisiplin Vol. 3 No. 8: Juli 2024
Publisher : CV. Ulil Albab Corp

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56799/jim.v3i8.4319

Abstract

Penelitian ini bertujuan untuk menganalisis dan membandingkan administrasi negara Thailand dan Jepang berdasarkan bentuk negara, bentuk pemerintahan, sistem pemerintahan, dan sistem politik. Kedua negara ini memiliki kesamaan sebagai monarki konstitusional dengan sistem pemerintahan parlementer, namun berbeda dalam stabilitas politik dan dinamika pemerintahan. Hasil penelitian ini diharapkan dapat memberikan pemahaman yang lebih baik tentang bagaimana masing-masing negara mengelola administrasi publiknya.
Co-Authors - Afrizal Fadel, Fadel Insani, Reza Kautsar Purwanti, Oktavia Tri Salsabila, Mutiara Shabrina, Alifa Nur Tarissaputra, Retdian