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Type: Artigo de periódico
Title: Influence of Drying Conditions on Physical Properties of Alginate Films
Author: da Silva, MA
Bierhalz, ACK
Kieckbusch, TG
Abstract: The effect of drying conditions of the film-forming solution on thickness, moisture content, water vapor permeability, and tensile properties of alginate films were investigated. A long period of constant rate was observed in all conditions and the model proposed by Wang and Singh was able to adjust the drying data. As expected, there was a clear effect of temperature on drying kinetics; that is, increasing the drying temperature decreased the drying time. Considerable glycerol losses were observed when alginate gel was oven dried at temperatures above 40 degrees C. Compared to other drying conditions, films oven dried at 60 degrees C were thinner, had lower moisture content, and were less flexible.
Subject: Drying
Country: EUA
Editor: Taylor & Francis Inc
Citation: Drying Technology. Taylor & Francis Inc, v. 30, n. 1, n. 72, n. 79, 2012.
Rights: fechado
Identifier DOI: 10.1080/07373937.2011.620727
Date Issue: 2012
Appears in Collections:Unicamp - Artigos e Outros Documentos

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