Abstract:Telah dilakukan penelitian mengenai pengaruh waktu ultrasonikasi terhadap sifat mekanik selulosa serat pinang dengan variasi waktu 30, 60, 90, 120 menit dan perlakuan alkalisasi NaOH yaitu 18%. Karakterisasi fasa dan ukuran kristal selulosa menggunakan XRD (X- Ray Diffractometer). Karakterisasi morfologi dan ukuran partikel selulosa menggunakan SEM (Scanning Electron Microscopy). Karakterisasi transparansi selulosa menggunakan Spectrometer Visible. Sifat mekanik meliputi kuat tarik, regangan, dan modulus elast… Show more
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