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dc.contributor.advisorMarpongahtun
dc.contributor.advisorAgusnar, Harry
dc.contributor.authorSiregar, Rohimah
dc.date.accessioned2018-09-14T01:45:50Z
dc.date.available2018-09-14T01:45:50Z
dc.date.issued2016
dc.identifier.otherAkhmad Danil
dc.identifier.urihttp://repositori.usu.ac.id/handle/123456789/6437
dc.description137006003en_US
dc.description.abstractAttempts to tackle environmental problems against hard-to-degrade plastic materials have been widely practiced. One of them was by using Effective Microorganism 4 (EM4) bacteria. Preparation of polypropylene / chitosan (PP / chitosan) plastic with glycerol plastisiser and polyglycerol acetate (PGA) have been done by using reflux method. Plastic morphology analysis was done by Scanning Electron Microscopy (SEM) test and biodegradation characteristic was analyzed by mixed microbial batch method. Analysis of surface plastic morphology of PP / chitosan, PP / chitosan-glycerol, and PP / chitosan-PGA showed a homogeneous surface. Biodegradation test was using EM4 bacteria resulted in an optimum percentage of degradation of 71.18% obtained from PP / chitosan plastic with 20% chitosan filler and PGA plastisiser 2.5%.en_US
dc.description.abstractUpaya untuk menanggulangi masalah lingkungan terhadap bahan plastik yang sulit terdegradasi telah banyak dilakukan. Salah satunya dengan menggunakan bakteri Effective Microorganism 4 (EM4). Pembuatan plastik polipropilen/kitosan (PP/kitosan) dengan plastisiser gliserol dan poligliserol asetat (PGA) telah dilakukan dengan menggunakan metode refluks. Analisa sifat morfologi plastik dilakukan dengan uji Scanning Electron Microscopy (SEM) dan analisa sifat biodegradasi dilakukan dengan metode mixed microbial batch. Analisa morfologi permukaan plastik PP/kitosan, PP/kitosan-gliserol, dan PP/kitosan-PGA menunjukkan permukaan yang homogen. Uji biodegradasi dengan menggunakan bakteri EM4 menghasilkan persen degradasi optimum sebesar 71,18% yang diperolehi dari plastik PP/kitosan dengan pengisi kitosan sebesar 20% dan plastisiser PGA 2,5%.en_US
dc.language.isoiden_US
dc.publisherUniversitas Sumatera Utaraen_US
dc.subjectPPen_US
dc.subjectChitosanen_US
dc.subjectPolyglycerol Acetateen_US
dc.subjectBiodegradationen_US
dc.subjectEM4 Bacteriaen_US
dc.titlePengaruh Plastisiser Gliserol dan Poligliserol Asetat (PGA) terhadap Biodegradasi Plastik Polipropilen/Kitosan dengan Bakteri Effective Microorganism 4 (Em4)en_US
dc.typeTesis Magisteren_US


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