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Cellulose

, Volume 18, Issue 5, pp 1335–1348 | Cite as

Cotton fabrics treated with hybrid organic–inorganic coatings obtained through dual-cure processes

  • Jenny Alongi
  • Mihaela Ciobanu
  • Giulio Malucelli
Article

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.

Keywords

Cotton UV-curing Sol–gel process Hybrid organic–inorganic coatings Thermal stability Flame retardancy 

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Copyright information

© Springer Science+Business Media B.V. 2011

Authors and Affiliations

  • Jenny Alongi
    • 1
  • Mihaela Ciobanu
    • 1
  • Giulio Malucelli
    • 1
  1. 1.Dipartimento di Scienza dei Materiali e Ingegneria ChimicaPolitecnico di Torino, sede di AlessandriaAlessandriaItaly

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