Thermal analysis and characterisation of cellulose grafted with acrylic monomers

An oxidative reaction of cellulose with sodium methaperiodate was performed in order to reproduce the natural ageing of textiles. The oxidised groups were transformed into free macroradicals by treatment with UV light. In presence of acrylic monomers in the vapour phase, these reactive sites become...

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Veröffentlicht in:Thermochimica acta 2005-01, Vol.425 (1), p.173-179
Hauptverfasser: Princi, Elisabetta, Vicini, Silvia, Pedemonte, Enrico, Mulas, Alessandro, Franceschi, Enrico, Luciano, Giorgio, Trefiletti, Vincenzo
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container_end_page 179
container_issue 1
container_start_page 173
container_title Thermochimica acta
container_volume 425
creator Princi, Elisabetta
Vicini, Silvia
Pedemonte, Enrico
Mulas, Alessandro
Franceschi, Enrico
Luciano, Giorgio
Trefiletti, Vincenzo
description An oxidative reaction of cellulose with sodium methaperiodate was performed in order to reproduce the natural ageing of textiles. The oxidised groups were transformed into free macroradicals by treatment with UV light. In presence of acrylic monomers in the vapour phase, these reactive sites become the starting point for the graft copolymerisation of methyl methacrylate and ethyl acrylate onto cellulose. Thermal analysis is a convenient, useful and reproducible method for characterising complex organic materials from plants. In this research we have examined the thermal stability of oxidised and grafted flax and cotton using differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA) analyses, in order to evaluate the effect of the grafting on their thermal behaviour. In presence of acrylic grafted polymer, the thermal stability of the textiles increases.
doi_str_mv 10.1016/j.tca.2004.07.001
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subjects Cellulose
Differential scanning calorimetry
Grafting polymerisation
Thermogravimetric analysis
title Thermal analysis and characterisation of cellulose grafted with acrylic monomers
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