Cotton fabrics were treated with a hybrid organic-inorganic coating obtained through a dual-cure process, i. e. a photopolymerization reaction followed by a thermal treatment for promoting the formation of silica phases through a sol-gel process. To this aim, different amounts of a silica precursor were added to an acrylic UV-curable formulation in the presence of a suitable coupling agent. The thermo-mechanical properties of the treated fabrics were investigated and correlated to the composition and morphology of the hybrid organic-inorganic system. Furthermore, their flame retardancy and combustion behavior were evaluated by flammability tests and cone calorimetry and compared with the performances of pure cotton.
Cotton fabrics treated with hybrid organic-inorganic coatings obtained through dual-cure processes / J. Alongi, M. Ciobanu, G. Malucelli. - In: CELLULOSE. - ISSN 0969-0239. - 18:5(2011 Oct), pp. 1335-1348.
Cotton fabrics treated with hybrid organic-inorganic coatings obtained through dual-cure processes
J. Alongi
;
2011
Abstract
Cotton fabrics were treated with a hybrid organic-inorganic coating obtained through a dual-cure process, i. e. a photopolymerization reaction followed by a thermal treatment for promoting the formation of silica phases through a sol-gel process. To this aim, different amounts of a silica precursor were added to an acrylic UV-curable formulation in the presence of a suitable coupling agent. The thermo-mechanical properties of the treated fabrics were investigated and correlated to the composition and morphology of the hybrid organic-inorganic system. Furthermore, their flame retardancy and combustion behavior were evaluated by flammability tests and cone calorimetry and compared with the performances of pure cotton.File | Dimensione | Formato | |
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