PEMBUATAN DAN KARAKTERISASI PLASTIK BIODEGRADABEL BERBAHAN DASAR POLY LACTID ACID (PLA) DAN PATI BIJI DURIAN

Simanjuntak, Gretta Anasthasia (2014) PEMBUATAN DAN KARAKTERISASI PLASTIK BIODEGRADABEL BERBAHAN DASAR POLY LACTID ACID (PLA) DAN PATI BIJI DURIAN. Undergraduate thesis, UNIMED.

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Abstract

Pengembangan teknologi kemasan plastik biodegradable adalah salah satu upaya alternatif yang dilakukan untuk keluar dari permasalahan ketergantungan penggunaan kemasan plastik yang non degradable (plastik konvensional). Penelitian ini mengkaji pemanfaatan PLA dan pati biji durian sebagai bahan dasar pembuatan plastik biodegradable. Tujuan dari penelitian ini yaitu untuk mengetahui proses pembuatan plastik biodegradable, untuk mengetahui bagaimana sifat mekanik, termal, dan biodegrabilitas dari Plastik Biodegradabel dari limbah biji durian. Sedangkan karakteristik yang dilakukan meliputi pengujian tarik, pengujian DTA (Differensial Thermal Analysis), dan pengujian Biodegrabilitas. Dengan variasi sampel PLA 100% + Pati 0%,PLA 90% + Pati 10%, PLA 80% + Pati 20%, PLA 70% + pati 30%, PLA 60% + pati 40%, PLA 50% + pati 50%. Hasil yang diperoleh dengan pengujian tarik, yaitu tegangan maksimum sebesar 3,87 x 106 N/m2 pada PLA 100% dan regangan maksimum 0,23%, pada variasi sampel PLA 50% + pati 50%. Sedangkan pada uji DTA terbaik yaitu pada sampel PLA 50% + Pati 50% dengan suhu Tg = 97,350C dan Td = 463,300C. Pada uji biodegradasi yang paling baik yaitu pada sampel PLA 50% + Pati 50% yang dilakukan selama 10 hari. Sehingga dengan adanya Pati Biji durian, dapat menaikkan sifat termal dan sifat biodegradasinya, menjadikan plastik ini menjadi plastik yang ramah lingkungan.

Item Type: Thesis (Undergraduate)
Contributors:
ContributionNameNIDN/NIDK
Thesis advisorHarahap, Mukti H197704252008011011
Call Number: 536.6 Sim p
Keywords: polimer; biodegradabel; poly lactid acid; pati biji durian
Subjects: Q Science > QC Physics
Q Science > QC Physics > QC120 Descriptive and Experimental mechanics
Divisions: Fakultas Matematika dan Ilmu Pengetahuan Alam > Fisika
Depositing User: Mr Muhammad Iqbal
Date Deposited: 08 Apr 2016 08:34
URI: http://digilib.unimed.ac.id/id/eprint/11524

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