Process for imparting flame retardancy to textile materials

Details Process for imparting flame retardancy to textile materials Process for imparting flame retardancy to textile materials

D - Textiles, Paper

06

M

D06M 14/06 (2006.01) C09K 21/12 (2006.01) D06M 13/292 (2006.01)

Patent

CA 2074711

According to the invention, the treatment process for imparting flame retardancy consists in grafting a textile material containing nitrogen atoms in its polymeric structure, especially silk, with a phosphoric acid ethylenic ester of the general formula Image in which R1 is selected from the group comprising H and alkyls and R2 is selected from the group comprising alkylenes and alkylene oxides and/or polyalkylene oxides, for example phosphated ethylene glycol methacrylate, the grafting rate being less than or equal to 20%.

L'invention porte sur une méthode d'ignifugation consistant à greffer une matière textile renfermant des atomes d'azote dans sa structure polymérique, notamment la soie, avec un ester éthylénique d'acide phosphorique de formule générale Image , dans laquelle R1 cst un H ou un alkyle, R2 est un alkylène ou un oxyde d'alkylène et (ou) un poly(oxyde d'alkylène), par exemple un méthacrylate d'éthylèneglycol phosphaté; le taux de greffe est inférieur ou égal à 20 %.

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