Valorización de Subproductos de la Industrialización de Aceites de Soja y de la Industria Pesquera para la Obtención de Membranas Poliméricas
Fecha
2019-11
Autores
Lluberas, Gabriela
Montes de Oca-Vásquez, Gabriela
Batista Menezes, Diego
Jose-Roberto, Vega-Baudrit
Raimonda, Pablo
Lopretti, Mary
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Universidad del País Vasco (España)
Resumen
Trabajar en economía circular aumentando el valor agregado de subproductos de diferentes industrializaciones es hoy uno de los mayores temas de interés productivo. La industrialización de granos como la soja es bien conocida por la generación de subproductos, entre ellos aceites de baja calidad que pueden formularse en materiales híbridos con diversas aplicaciones. Por otro lado, los residuos sólidos de la industria camaronera generan subproductos como la quitina que puede transformarse en quitosano soluble y formar parte de nuevos materiales. El presente trabajo tuvo como objetivo optimizar la obtención de membranas, utilizando aceite de soja y quitosano, como soporte para la liberación controlada de materiales híbridos con potencial aplicación industrial. Las membranas se formularon variando la temperatura (25 y 75°C) y la agitación (200–400 rpm) obteniendo membranas con diferentes comportamientos. Las membranas se caracterizaron mediante análisis termogravimétricos (TGA), espectroscopia infrarroja transformada de Fourier (FTIR), microscopía electrónica de barrido (MEB) y ensayos físicos. De los resultados obtenidos, podemos concluir que las membranas sintetizadas, tienen las mismas propiedades químicas, pero se observan diferencias a nivel físico. Estructuralmente las membranas poseen tamaños, porosidad y resistencia, obteniendo valores interesantes dentro de las propiedades de las membranas. Este trabajo se enfocó en las características fisicoquímicas dejando para el futuro la incorporación de bioactivos y su liberación.
Working in a circular economy increasing the added value of by–products of different industrializations is today one of the major issues of productive interest. The industrialization of grains such as soybeans is well known by generating by–products including low quality oils that can be formulated in hybrid materials with various applications. On the other hand, solid waste from the shrimp industry generates by–products such as chitin that can be transformed into soluble chitosan and be part of new materials.The objective of this work was to optimize the obtaining of membranes, using soybean oil and chitosan, as a support for the controlled release of hybrid materials with potential industrial application. The membranes were formulated by varying the temperature (25 and 75°C) and agitation (200–400 rpm) obtaining membranes with different behaviors. The membranes were characterized by thermogravimetric analysis (TGA), Fourier transformed infrared spectroscopy (FTIR), scanning electron microscopy (MEB) and physical tests. From the results obtained, we can conclude that the synthesized membranes have the same chemical properties, but physical differences are observed. Structurally the membranes have adequate sizes, porosity and resistance, obtaining interesting values within the properties of the membranes. This work focused on the physicochemical characteristics leaving for the future the incorporation of bioactives and their release.
Working in a circular economy increasing the added value of by–products of different industrializations is today one of the major issues of productive interest. The industrialization of grains such as soybeans is well known by generating by–products including low quality oils that can be formulated in hybrid materials with various applications. On the other hand, solid waste from the shrimp industry generates by–products such as chitin that can be transformed into soluble chitosan and be part of new materials.The objective of this work was to optimize the obtaining of membranes, using soybean oil and chitosan, as a support for the controlled release of hybrid materials with potential industrial application. The membranes were formulated by varying the temperature (25 and 75°C) and agitation (200–400 rpm) obtaining membranes with different behaviors. The membranes were characterized by thermogravimetric analysis (TGA), Fourier transformed infrared spectroscopy (FTIR), scanning electron microscopy (MEB) and physical tests. From the results obtained, we can conclude that the synthesized membranes have the same chemical properties, but physical differences are observed. Structurally the membranes have adequate sizes, porosity and resistance, obtaining interesting values within the properties of the membranes. This work focused on the physicochemical characteristics leaving for the future the incorporation of bioactives and their release.
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Palabras clave
BIOECONOMÍA, SOJA, QUITOSANO, MEMBRANAS, BIOACTIVOS, BIOACTIVE, MEMBRANES, CHITOSAN