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      Pemanfaatan Ampas Kopi sebagai Moulding Cup dengan Campuran Polylactic Acid (PLA) dan Compatibilizer Maleat Anhidrida

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      Date
      2025
      Author
      ARDELIA, EGA FIDA
      Hermawan, Dede
      Nurhamiyah, Yeyen
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      Abstract
      ABSTRAK EGA FIDA ARDELIA. Pemanfaatan Ampas Kopi sebagai Moulding cup dengan Campuran Polylactic Acid (PLA) dan Compatibilizer Maleat anhidrida. Dibimbing oleh DEDE HERMAWAN dan YEYEN NURHAMIYAH. Penggunaan plastik tidak dapat dipisahkan dari kehidupan sehari-hari manusia. Hal tersebut dapat mengakibatkan munculnya permasalahan lingkungan akibat sampah plastik. Di lain sisi, industri kopi menghasilkan ampas yang sering kali dibuang dan tidak dimanfaatkan secara optimal. Penelitian ini bertujuan mengetahui pengaruh variasi kadar ampas kopi dan compatibilizer maleat anhidrida terhadap sifat fisis, mekanis, termal, dan biodegradabilitas moulding cup, sehingga diperoleh formulasi yang tepat untuk membuat moulding cup dengan sifat fisis, mekanis, termal, dan biodegradabilitas yang baik untuk nantinya produk dapat dibuat dan dipasarkan secara komersial. Prosedur kerja pada penelitian ini meliputi pembuatan komposit film dan pengujian karakteristik formulasi komposit film yang terdiri dari pengujian sifat termal, sifat mekanis, Fourier Transform InfraRed (FTIR), Melt Flow Rate (MFR), morfologi, daya serap air, dan biodegradabilitas. Formulasi komposit film terbaik dalam penelitian ini dimiliki oleh sampel AK 10% + MA dengan nilai kuat tarik 25,05 MPa, elongasi 2,66%, daya serap air 0,00%, biodegradabilitas 35,14%, dan ketahanan termal yang stabil meskipun memiliki nilai modulus young yang rendah dan nilai MFR yang terlalu tinggi. Kata kunci: ampas kopi, bioplastik, compatibilizer, polylactic acid, pati termoplastik ABSTRACT EGA FIDA ARDELIA. Utilization of Spent Coffee Grounds as Moulding Cups with a Blend of Polylactic Acid (PLA) and Maleic anhydride Compatibilizer. Supervised by DEDE HERMAWAN and YEYEN NURHAMIYAH The use of plastic is inseparable from human daily life. This can lead to environmental problems due to plastic waste. On the other hand, the coffee industry produces coffee grounds that are often discarded and not optimally utilized. This study aims to determine the effect of varying levels of coffee grounds and maleic anhydride compatibilizer on the physical, mechanical, thermal, and biodegradability properties of molding cups, so as to obtain the right formulation to make molding cups with good physical, mechanical, thermal, and biodegradability properties so that later the product can be made and marketed commercially. The work procedure in this study includes the manufacture of film composites and testing the characteristics of film composite formulations consisting of testing thermal properties, mechanical properties, Fourier Transform InfraRed (FTIR), Melt Flow Rate (MFR) morphology, water absorption, and biodegradability. The results of the film composite characteristics testing showed that the AK 10% + MA sample was the best sample because it had tensile strength value of 25,05 MPa, elongation of 2,66%, water absorption of 0,00%, biodegradability of 28,03%, and stable thermal resistance despite having a low young modulus value and an overestimated MFR value. Keywords: bioplastic, compatibilizer, polylactic acid, spent coffee ground, thermoplastic starch
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      http://repository.ipb.ac.id/handle/123456789/169160
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