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Polymers
Volume 13
Issue 17
10.3390/polym13172868
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Article

Development and Characterization of Biocompatible Membranes from Natural Chitosan and Gelatin for Pervaporative Separation of Water–Isopropanol Mixture

by
Akshay S. Kulkarni
1,
Ashok M. Sajjan
1,2,*,
T. M. Yunus Khan
3,4,
Irfan Anjum Badruddin
3,4,
Sarfaraz Kamangar
4,
Nagaraj R. Banapurmath
2,
Narasimha H. Ayachit
2,
M. Ashwini
5 and
A. Sharanappa
6
1
Department of Chemistry, KLE Technological University, Hubballi 580031, India
2
Center for Material Science, KLE Technological University, Hubballi 580031, India
3
Research Center for Advanced Materials Science (RCAMS), King Khalid University, Abha 61413, Saudi Arabia
4
Department of Mechanical Engineering, College of Engineering, King Khalid University, Abha 61421, Saudi Arabia
5
Department of Food and Industrial Microbiology, University of Agricultural Sciences, Dharwad 580005, India
6
Department of Biotechnology, KLE Technological University, Hubballi 580031, India
*
Author to whom correspondence should be addressed.
Polymers 2021, 13(17), 2868; https://doi.org/10.3390/polym13172868
Submission received: 22 July 2021 / Revised: 16 August 2021 / Accepted: 22 August 2021 / Published: 26 August 2021
(This article belongs to the Special Issue Functional Gelatin II)
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Abstract

Natural polymers have attracted a lot of interest in researchers of late as they are environmentally friendly, biocompatible, and possess excellent characters. Membranes forming natural polymers have provided a whole new dimension to the separation technology. In this work, chitosan-gelatin blend membranes were fabricated using chitosan as the base and varying the amount of gelatin. Transport, mechanical, and surface characteristics of the fabricated membranes were examined in detail by means of the characterizing techniques such as Fourier transform infrared spectroscopy, differential scanning colorimetry, wide angle X-ray diffraction, scanning electron microscope, and thermogravimetric analysis. In order to analyze the water affinity of the developed blend chitosan-gelatin membranes, the percentage degree of swelling was examined. Out of the fabricated membranes, the membrane loaded with 15 mass% of gelatin exhibited the better pervaporation performance with a pervaporation separation index value of 266 at 30 °C for the solution containing 10% in terms of the mass of water, which is the highest among the contemporary membranes. All the fabricated membranes were stable during the pervaporation experiments, and permeation flux of water for the fabricated membranes was dominant in the overall total permeation flux, signifying that the developed membranes could be chosen for efficient separation of water–isopropanol mixture on a larger scale.
Keywords: chitosan; gelatin; isopropanol; pervaporation; biocompatibility chitosan; gelatin; isopropanol; pervaporation; biocompatibility
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MDPI and ACS Style

Kulkarni, A.S.; Sajjan, A.M.; Khan, T.M.Y.; Badruddin, I.A.; Kamangar, S.; Banapurmath, N.R.; Ayachit, N.H.; Ashwini, M.; Sharanappa, A. Development and Characterization of Biocompatible Membranes from Natural Chitosan and Gelatin for Pervaporative Separation of Water–Isopropanol Mixture. Polymers 2021, 13, 2868. https://doi.org/10.3390/polym13172868

AMA Style

Kulkarni AS, Sajjan AM, Khan TMY, Badruddin IA, Kamangar S, Banapurmath NR, Ayachit NH, Ashwini M, Sharanappa A. Development and Characterization of Biocompatible Membranes from Natural Chitosan and Gelatin for Pervaporative Separation of Water–Isopropanol Mixture. Polymers. 2021; 13(17):2868. https://doi.org/10.3390/polym13172868

Chicago/Turabian Style

Kulkarni, Akshay S., Ashok M. Sajjan, T. M. Yunus Khan, Irfan Anjum Badruddin, Sarfaraz Kamangar, Nagaraj R. Banapurmath, Narasimha H. Ayachit, M. Ashwini, and A. Sharanappa. 2021. "Development and Characterization of Biocompatible Membranes from Natural Chitosan and Gelatin for Pervaporative Separation of Water–Isopropanol Mixture" Polymers 13, no. 17: 2868. https://doi.org/10.3390/polym13172868

APA Style

Kulkarni, A. S., Sajjan, A. M., Khan, T. M. Y., Badruddin, I. A., Kamangar, S., Banapurmath, N. R., Ayachit, N. H., Ashwini, M., & Sharanappa, A. (2021). Development and Characterization of Biocompatible Membranes from Natural Chitosan and Gelatin for Pervaporative Separation of Water–Isopropanol Mixture. Polymers, 13(17), 2868. https://doi.org/10.3390/polym13172868

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