Preparation and Characterization of Hemicellulose Films from Sugarcane Bagasse

Hemicellulose is one of the most common polysaccharides found in nature. Its use as a green and sustainable raw material for industries is desirable. In this work, an alkaline-alcoholic method was used to extract hemicelluloses from sugarcane bagasse. After extraction, films with 2%, 3% and 4% (w/v)...

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Main Authors: Roberta da Silva Braga, Matheus Poletto
Format: Article
Language:English
Published: MDPI AG 2020-02-01
Series:Materials
Subjects:
Online Access:https://www.mdpi.com/1996-1944/13/4/941
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spelling doaj-da4e9fe753a44015865fe0e3dbe72d4c2020-11-25T00:31:11ZengMDPI AGMaterials1996-19442020-02-0113494110.3390/ma13040941ma13040941Preparation and Characterization of Hemicellulose Films from Sugarcane BagasseRoberta da Silva Braga0Matheus Poletto1Chemical Engineering, University of Caxias do Sul (UCS), Caxias do Sul 95070-560, BrazilPostgraduate Program in Engineering of Processes and Technologies (PGEPROTEC), University of Caxias do Sul (UCS), Caxias do Sul 95070-560, BrazilHemicellulose is one of the most common polysaccharides found in nature. Its use as a green and sustainable raw material for industries is desirable. In this work, an alkaline-alcoholic method was used to extract hemicelluloses from sugarcane bagasse. After extraction, films with 2%, 3% and 4% (w/v) hemicellulose were produced. The films’ morphology, thickness, water solubility, tensile properties and thermal stability were evaluated. The Fourier Transform Infrared Spectroscopy (FTIR) results reveal that the method used removes the hemicellulose from bagasse with a low concentration of lignin. The films presented a compact and dense structure with uniformity in thickness associated with higher solubility in water. The increase in hemicellulose content increased tensile strength, but reduced the tensile strain of the films. Thermogravimetric analysis indicated that the increase in hemicellulose content reduced the films’ thermal stability. Thus, these films may act as useful, biodegradable and environmentally friendly materials for engineering applications.https://www.mdpi.com/1996-1944/13/4/941polymeric filmsextractionpolysaccharide
collection DOAJ
language English
format Article
sources DOAJ
author Roberta da Silva Braga
Matheus Poletto
spellingShingle Roberta da Silva Braga
Matheus Poletto
Preparation and Characterization of Hemicellulose Films from Sugarcane Bagasse
Materials
polymeric films
extraction
polysaccharide
author_facet Roberta da Silva Braga
Matheus Poletto
author_sort Roberta da Silva Braga
title Preparation and Characterization of Hemicellulose Films from Sugarcane Bagasse
title_short Preparation and Characterization of Hemicellulose Films from Sugarcane Bagasse
title_full Preparation and Characterization of Hemicellulose Films from Sugarcane Bagasse
title_fullStr Preparation and Characterization of Hemicellulose Films from Sugarcane Bagasse
title_full_unstemmed Preparation and Characterization of Hemicellulose Films from Sugarcane Bagasse
title_sort preparation and characterization of hemicellulose films from sugarcane bagasse
publisher MDPI AG
series Materials
issn 1996-1944
publishDate 2020-02-01
description Hemicellulose is one of the most common polysaccharides found in nature. Its use as a green and sustainable raw material for industries is desirable. In this work, an alkaline-alcoholic method was used to extract hemicelluloses from sugarcane bagasse. After extraction, films with 2%, 3% and 4% (w/v) hemicellulose were produced. The films’ morphology, thickness, water solubility, tensile properties and thermal stability were evaluated. The Fourier Transform Infrared Spectroscopy (FTIR) results reveal that the method used removes the hemicellulose from bagasse with a low concentration of lignin. The films presented a compact and dense structure with uniformity in thickness associated with higher solubility in water. The increase in hemicellulose content increased tensile strength, but reduced the tensile strain of the films. Thermogravimetric analysis indicated that the increase in hemicellulose content reduced the films’ thermal stability. Thus, these films may act as useful, biodegradable and environmentally friendly materials for engineering applications.
topic polymeric films
extraction
polysaccharide
url https://www.mdpi.com/1996-1944/13/4/941
work_keys_str_mv AT robertadasilvabraga preparationandcharacterizationofhemicellulosefilmsfromsugarcanebagasse
AT matheuspoletto preparationandcharacterizationofhemicellulosefilmsfromsugarcanebagasse
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