Pengaruh hidrolisis menggunakan asam sulfat pada karakteristik micro-fibrillated cellulose (MFC) dari serat tandan kosong kelapa sawit (TKKS) sebagai agen nukleasi

Agustina Arianita Cahyaningtyas; Bunda Amalia; Evana Yuanita; Rizka Karima; Tiara Mailisa; Bumiarto Nugroho Jati

doi:10.24960/jli.v10i1.5960.1-6

Pengaruh hidrolisis menggunakan asam sulfat pada karakteristik micro-fibrillated cellulose (MFC) dari serat tandan kosong kelapa sawit (TKKS) sebagai agen nukleasi

Agustina Arianita Cahyaningtyas, Bunda Amalia, Evana Yuanita, Rizka Karima, Tiara Mailisa, Bumiarto Nugroho Jati

Abstract

Micro-fibrillated cellulose (MFC) dapat diproduksi dari ekstraksi serat Tandan Kosong Kelapa Sawit (TKKS) melalui proses alkalinisasi, oksidasi H₂O₂, dan hidrolisis asam. Tujuan dari penelitian ini adalah untuk mengetahui pengaruh waktu reaksi terhadap proses hidrolisis H₂SO₄. MFC dibuat dengan proses alkalinisasi menggunakan natrium hidroksida (NaOH) 4% pada suhu 90 °C selama 2 jam, oksidasi H₂O₂ 20% pada suhu kamar selama 2 jam, dan hidrolisis H₂SO₄ pada suhu kamar. Hidrolisis asam dilakukan menggunakan H₂SO₄ 20% dengan variasi waktu reaksi 1 jam, 2 jam, dan 3 jam. MFC dianalisis menggunakan Fourier Transform Infrared Spectroscopy (FTIR), X-Ray Difraction (XRD), dan Thermal Gravimetric Analysis (TGA). Analisis FTIR menunjukkan bahwa terjadi penurunan konsentrasi lignin dan selulosa, analisis TGA menunjukkan stabilitas termal pada waktu reaksi 3 jam lebih tinggi dibandingkan waktu reaksi lainnya, dan analisis XRD menunjukkan bahwa semakin lama waktu hidrolisis H₂SO₄ terjadi kecenderungan persentase kristalisasi meningkat. Dari hasil yang diperoleh, MFC dari serat TKKS memiliki potensi untuk digunakan sebagai agen nukleasi dalam polimer.

Keywords

serat tandan kosong kelapa sawit (TKKS); micro-fibrillated cellulose (MFC); agen nukleasi; hidrolisis asam

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References

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DOI: http://dx.doi.org/10.24960/jli.v10i1.5960.1-6