MARSELA, SHERIN and Sriyanti, Ida and Siahaan, Sardianto Markos (2020) ANALISIS STRUKTUR KRISTAL DAN MORFOLOGI SERAT NANO POLYVINYPYRROLIDONE/CELLULOSE ACETATE MENGANDUNG EKSTRAK DAUN KOPASANDA (CHROMOLAENA ODORATA L). Undergraduate thesis, Sriwijaya University.
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Abstract
Serat nano polyvinilpirolidone/cellulose acetate (PVP/CA) mengandung ekstrak daun kopasanda telah berhasil disintesis dengan menggunakan metode electrospinning. Serat nano polyvinilpirolidone/cellulose acetateyang mengandung ekstrak daun kopasanda dibuat dengan konsentrasi 12%.Selanjutnya menganalisis serat nano tersebutberdasarkan morfologi bentuk, interaksi molekul atau gugus polimer dan struktur kristalnya. Pada hasil mikroskop menunjukkan bahwa bentuk serat nano yang dihasilkan homogen atau seragam dan bebas bead (manik-manik) dengan rentang ukuran 142 – 217 nm.Konsentasi larutan ekstrak daun kopasandayang ditingkatan menyebabkan diameter serat nano yang dihasilkan menjadi semakin kecil. Analisis FTIR menunjukkan bahwa adanya interaksi molekul antara ekstrak daun kopasanda dengan polyvinilpirolidone/cellulose acetatedalam bentuk ikatan hidrogen.Pada uji XRD, fase ekstrak daun kopasanda mengalami perubahandari amorf menjadi semikristal. Kata Kunci : Struktur Kristal, Serat Nano, Polyvinylpyrrolidone, Cellulose Acetate, Ekstrak Daun Kopasanda
Item Type: | Thesis (Undergraduate) |
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Uncontrolled Keywords: | Struktur Kristal, Serat Nano, Polyvinylpyrrolidone, Cellulose Acetate, Ekstrak Daun Kopasanda |
Subjects: | Q Science > QC Physics > QC120-168.85 Descriptive and experimental mechanics |
Divisions: | 06-Faculty of Education and Educational Science > 84203-Physics Education (S1) |
Depositing User: | Users 7127 not found. |
Date Deposited: | 11 Aug 2020 02:37 |
Last Modified: | 11 Aug 2020 02:37 |
URI: | http://repository.unsri.ac.id/id/eprint/32745 |
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