DSC applications: macromolecules

Chiu, Michael; Berezowski, N.S.; Prenner, Elmar J.

doi:10.1533/9781908818348.237

Cited by 2 publications

(2 citation statements)

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“…La calorimetría diferencial de barrido es una técnica de análisis térmico que se ha empleado en el estudio del comportamiento de macromoléculas desde 1960 [181], [183]. Esta técnica permite determinar las transiciones térmicas que puede experimentar un material, y a partir de estas establecer una relación con sus propiedades físicas [183], [184].…”

Section: Calorimetría Diferencial De Barrido (Dsc)unclassified

“…El DSC es la técnica de análisis térmico cuantitativo más utilizada para el estudio de las propiedades termodinámicas de un material debido a su simplicidad, a la alta sensibilidad del equipo, a la confiabilidad de los resultados, a su rapidez y la disponibilidad del análisis [181]. Además, debido a que para el análisis se requieren apenas de unos pocos miligramos, lo convierten en una técnica no intrusiva, lo que la hace aún más atractiva [183].…”

Section: Calorimetría Diferencial De Barrido (Dsc)unclassified

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Uso de derivados de colofonia como aditivos sostenibles en biopolímeros de almidón termoplástico (TPS)

Carrasco¹,

Fernando²

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Section: Calorimetría Diferencial De Barrido (Dsc)unclassified

Uso de derivados de colofonia como aditivos sostenibles en biopolímeros de almidón termoplástico (TPS)

Carrasco¹,

Fernando²

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Comparative characterization of gum rosins for their use as sustainable additives in polymeric matrices

Pavón

Aldás

Hernández‐Fernández

et al. 2021

J of Applied Polymer Sci

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There is a growing interest in the use of non‐polluting compounds, which come from renewable sources, and which performance in their scope is equivalent to their synthetic similes. In this work, five types of rosins from different sources were studied, verifying the existence of differences that can be inferred in their subsequent use and application as material additives. For the study, rosins were analyzed using gas‐mass chromatographic techniques, infrared spectrophotometry (FTIR), differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), and color characterization. The results showed that the samples are composed of either abietic acid or by its structural isomers in contents higher than 80%. FTIR shows that the main difference in the gum rosins is related to the proclivity to absorb environmental moisture and that this technique is not enough to differentiate them. Moreover, the DSC reveals that the gum rosins present enthalpy relaxation effects due to their manufacturing process. The TGA showed that gum rosins are thermally stable until 200°C, therefore they can be successfully blended with thermoplastic polymers. Finally, the color characterization shows little differences between the samples, being CA the gum rosin with the greatest total color differences.

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DSC applications: macromolecules

Cited by 2 publications

References 32 publications

Uso de derivados de colofonia como aditivos sostenibles en biopolímeros de almidón termoplástico (TPS)

Uso de derivados de colofonia como aditivos sostenibles en biopolímeros de almidón termoplástico (TPS)

Comparative characterization of gum rosins for their use as sustainable additives in polymeric matrices

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