Preparation of Biodegradable and Low-Cost Lignin-Based PVOH Carbon Fibers Prepared by Electrospinning

Amir Hamzah Siregar; Aditia Warman; Mahyuni Harahap; Grace Nainggolan; Dellyansyah Dellyansyah; Saharman Gea

doi:10.22146/ijc.66606

Preparation of Biodegradable and Low-Cost Lignin-Based PVOH Carbon Fibers Prepared by Electrospinning

https://doi.org/10.22146/ijc.66606

Amir Hamzah Siregar⁽¹⁾, Aditia Warman⁽²⁾, Mahyuni Harahap⁽³⁾, Grace Nainggolan⁽⁴⁾, Dellyansyah Dellyansyah⁽⁵⁾, Saharman Gea^(6*)

(1) Cellulosic and Functional Materials Research Centre, Universitas Sumatera Utara, Jl. Bioteknologi No. 1, Medan 20155, Indonesia Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara, Jl. Bioteknologi No.1, Medan 20155, Indonesia
(2) Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara, Jl. Bioteknologi No. 1, Medan 20155, Indonesia
(3) Cellulosic and Functional Materials Research Centre, Universitas Sumatera Utara, Jl. Bioteknologi No. 1, Medan 20155, Indonesia Department of Chemistry, Universitas Sari Mutiara Indonesia, Jl. Kapten Muslim, Medan 20124, Indonesia
(4) Cellulosic and Functional Materials Research Centre, Universitas Sumatera Utara, Jl. Bioteknologi No. 1, Medan 20155, Indonesia Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara, Jl. Bioteknologi No.1, Medan 20155, Indonesia
(5) Cellulosic and Functional Materials Research Centre, Universitas Sumatera Utara, Jl. Bioteknologi No. 1, Medan 20155, Indonesia Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara, Jl. Bioteknologi No.1, Medan 20155, Indonesia
(6) Cellulosic and Functional Materials Research Centre, Universitas Sumatera Utara, Jl. Bioteknologi No. 1, Medan 20155, Indonesia Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara, Jl. Bioteknologi No.1, Medan 20155, Indonesia
(*) Corresponding Author

Abstract

A polyvinyl alcohol (PVOH)/lignin nanofiber was prepared by the electrospinning method as a precursor for biodegradable and low-cost carbon fibers. PVOH 15% was dissolved in water, and various concentration of lignin (5, 10, 15, 20, and 25%) was added. The presence of lignin in PVOH solution increased the viscosity and conductivity. From SEM analysis, PVOH solution produced smooth fiber, whereas the addition of lignin produced fibers in bead forms. The presence of lignin above 20% in PVOH did not produce spun-fiber. FTIR analysis confirmed that lignin was able to form hydrogen bonds with PVOH. TGA analysis showed that PVOH/lignin nanofibers had the highest residual mass, i.e., 40% at 600 °C. The morphology of the carbon fibers showed flake forms with many pores and had 58.07% carbon content.

Keywords

lignin; carbon fiber; electrospinning; polyvinyl alcohol

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DOI: https://doi.org/10.22146/ijc.66606