Despite the use of toxic and not environmentally-friendly chemicals, some proteins derived from animal or microbial sources have been investigated as novel green flame retardants for cotton fabrics. In particular, phosphorus- and sulphur-rich proteins (i.e. caseins and hydrophobins) have been homogeneously deposited on cotton fabrics starting from protein aqueous suspensions/solutions. These surface treatments, based on the use of species able to favour the dehydration of cellulose instead of its depolymerization, have strongly enhanced the production of a thermally stable carbonaceous structure (char), hence significantly enhancing the flame retardancy of the fabrics, as assessed by thermogravimetry and flammability tests.

Caseins and hydrophobins as novel green flame retardants for cotton fabrics / Alongi, Jenny; Carletto, RICCARDO ANDREA; Bosco, Francesca; Carosio, Federico; DI BLASIO, Alessandro; Cuttica, Fabio; Antonucci, Vincenza; Giordano, Michele; Malucelli, Giulio. - In: POLYMER DEGRADATION AND STABILITY. - ISSN 0141-3910. - STAMPA. - 99:(2014), pp. 111-117. [10.1016/j.polymdegradstab.2013.11.016]

Caseins and hydrophobins as novel green flame retardants for cotton fabrics

ALONGI, JENNY;CARLETTO, RICCARDO ANDREA;BOSCO, Francesca;CAROSIO, FEDERICO;DI BLASIO, ALESSANDRO;CUTTICA, FABIO;MALUCELLI, Giulio
2014

Abstract

Despite the use of toxic and not environmentally-friendly chemicals, some proteins derived from animal or microbial sources have been investigated as novel green flame retardants for cotton fabrics. In particular, phosphorus- and sulphur-rich proteins (i.e. caseins and hydrophobins) have been homogeneously deposited on cotton fabrics starting from protein aqueous suspensions/solutions. These surface treatments, based on the use of species able to favour the dehydration of cellulose instead of its depolymerization, have strongly enhanced the production of a thermally stable carbonaceous structure (char), hence significantly enhancing the flame retardancy of the fabrics, as assessed by thermogravimetry and flammability tests.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11583/2520508
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