Fireproof composite yarn comprising three types of fibers

Details Fireproof composite yarn comprising three types of fibers Fireproof composite yarn comprising three types of fibers

D - Textiles, Paper

02

G

D02G 3/44 (2006.01) D02G 3/04 (2006.01)

Patent

CA 2493948

The invention relates a fireproof composite yarn comprising: - flameproof fibers at a quantity of more than 40 percent relative to the total weight of the yarn, said fibers being made of a crystalline or semicrystalline polymeric material; - hydrophilic fibers at a quantity ranging between 10 and 45 percent relative to the weight of the flameproof fibers, said hydrophilic fibers being made of an infusible material; - thermostable fibers at a quantity ranging between 4 and 50 percent relative to the total weight of the yarn, said thermostable fibers being made of a non-flammable material. The invention also relates to a fabric comprising at least one woven or knitted textile layer made of such a yarn.

L'invention a pour objet un fil composite anti-feu comprenant: des fibres ignifugées dans une quantité supérieure à 40% par rapport au poids total du fil, lesdites fibres étant formées à base d'un matériau polymérique cristallin ou semi-cristallin; des fibres hydrophiles dans une quantité comprise entre 10% et 45% par rapport au poids de fibres ignifugées, lesdites fibres hydrophiles étant formées d'un matériau non fusible; des fibres thermostables dans une quantité comprise entre 4% et 50% par rapport au poids total du fil, lesdites fibres thermostables étant formées d'un matériau ininflammable. L'invention concerne également un textile comprenant au moins une couche textile tissée ou tricotée formée avec un tel fil.

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