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  <title>PEMBUATAN POLIBLEN DARI PLASTIK LDPE (LOW DENSITY POLYETHYLEN) DAN PATI UMBI JANENG (DISCOREA HISPIDA)</title>
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   <placeTerm type="text">Banda Aceh</placeTerm>
   <publisher>Universitas Syiah Kuala</publisher>
   <dateIssued>2015</dateIssued>
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  <languageTerm type="text">Indonesia</languageTerm>
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 <note>ABSTRAK&#13;
Bioplastik poliblen dari LDPE dan pati janeng telah dibuat dengan variasi komposisi LDPE : Pati 8:2, 6:4 dan 5:5 g/g. Poliblen terbaik didapat pada komposisi 8:2 dengan kuat tarik  yaitu 0,305 Kgf/mm2 dengan elongasi 82,56 % dan persentase penyerapan air 2,75 %. Terbentuknya poliblen ditandai dengan adanya spektrum kombinasi antara LDPE dan pati yaitu adanya gugus C-O dari pati pada range 1044.272 cm-1 dan gugus C-H dari LDPE pada range 2914.654 cm-1.  Termogram DTA menunjukkan tingkat kompatibilitas yang sangat baik pada poliblen 8:2 karena terdapatnya satu puncak transisi gelas pada suhu 1400C. Termogram TGA menunjukkan poliblen yang terbentuk kompatible karena terdapatnya satu garis puncak dan terdekomposisi pada suhu 138,630C. Poliblen mengalami biodegradasi perlahan selama 15 hari dengan persen kehilangan berat 1,86%.  &#13;
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Kata kunci : Iow density polyethylen (LDPE), Pati, Poliblen, Biodegradasi&#13;
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ABSTRACT&#13;
Polyblend made with variations of LDPE composition: Starch 8: 2, 6: 4, and 5: 5 g / g and 10 g of pure LDPE as a comparison. The results showed that the composition polyblend 8: 2 to get the value of the highest tensile strength is 0,305 kgf / mm2 with 82.56% elongation and the percentage of water absorption of 2.75%. FTIR spectra of polyblend 8: 2 shows the spectra of LDPE with a combination of starch, namely the CO group of starch in the range of 1044,272 cm-1 and CH of LDPE in the range of 2914,654 cm-1. DTA thermogram showed a very good level of compatibility in polyblend 8: 2 because of the presence of a single peak at the glass transition temperature of 1400C. TGA thermogram shows poliblen 8: 2 compatible because of the presence of one line of peaks and decomposes at temperatures 138,630C. Polyblend 8: 2 biodegradable for 15 days by percent weight loss of1.86%.&#13;
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Keywords: Iow Density polyethylene (LDPE), starch, Poliblen, Biodegradable.&#13;
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  <physicalLocation>ELECTRONIC THESES AND DISSERTATION Universitas Syiah Kuala</physicalLocation>
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