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- W51828089 abstract "The aim of this work was to study the influence of the addition of citric acid in the structural, thermal and physicochemical properties of corn starch and polycaprolactone (PCL) based biodegradable films and obtained by the compression molding method, for subsequent application in food packaging. Eleven formulations were prepared with different ratio starch: PCL (100:0, 90:10, 80:20, 70:30, 60:40 and 0:100) with or without citric acid, the ratio starch: citric acid was 1 0.01. To each of these formulations was added glycerol being 30% of the total starch present. Films were characterized based on their properties nano-and micro-structural (AFM, SEM and X-rays), thermal and chemical properties (mechanical properties, humidity, dissolution in water, bound citric acid, optical properties and barrier properties). The results of the analysis of the properties nano-and micro-structural and thermal properties suggest that citric acid promotes the dispersion of one polymer in another, although this effect is little miscibility patent macroscopic properties except in the formulations starch ratio and 80, especially 90, where it seems that partial miscibility between starch and polycaprolactone affects the properties of the films." @default.
- W51828089 created "2016-06-24" @default.
- W51828089 creator A5009074053 @default.
- W51828089 date "2013-11-22" @default.
- W51828089 modified "2023-09-27" @default.
- W51828089 title "Films biodegradables a base de almidón de maíz y policaprolactona: efecto del ácido cítrico como agente de entrecruzamiento" @default.
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- W51828089 hasPublicationYear "2013" @default.
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