Process for the flame-retardant of fiber products

Details Process for the flame-retardant of fiber products Process for the flame-retardant of fiber products

D - Textiles, Paper

21

H

D21H 21/34 (2006.01)

Patent

CA 2541504

In the case of fiber products which contain from 20 to 100% by weight of cellulose fibers, flameretardant properties can be achieved by applying a polyethylenimine and a phosphonic acid to the fiber products or to precursors thereof. The precursors of the fiber products may be aqueous fiber suspensions which are further processed to give paper or fiberboards.

Dans le cas de produits fibreux contenant de 20 à 100 % en poids de fibres de cellulose, des propriétés d'ignifugation peuvent être obtenues par l'application d'une polyéthylénimine et d'un acide phosphonique, sur les produits fibreux ou des précurseurs de ceux-ci. Les précurseurs des produits fibreux peuvent être des suspensions de fibres aqueuses qui subissent un traitement ultérieur pour donner du papier ou du carton.

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