Spun staple yarns made from blends of rigid-rod fibers and...

Details Spun staple yarns made from blends of rigid-rod fibers and... Spun staple yarns made from blends of rigid-rod fibers and...

D - Textiles, Paper

01

F

D01F 6/76 (2006.01) D01F 6/80 (2006.01)

Patent

CA 2695224

This invention relates to a flame-resistant spun staple yarns and fabrics and garments comprising these yarns and methods of making the same. The yarns have 20 to 50 parts by weight of a polymeric staple fiber containing a structure derived from a monomer selected from the group consisting of 4,4'diaminodiphenyl sulfone, 3,3'diaminodiphenyl sulfone, and mixtures thereof; and 50 to 80 parts by weight of a rigid-rod staple fiber, based on 100 parts by weight of the polymeric fiber and the rigid-rod fiber in the yarn.

L'invention concerne des fils courts filés résistant à la flamme ainsi que des tissus et des vêtements renfermant ces fils et leurs procédés de fabrication. Les fils comportent 20 à 50 parties en poids d'une fibre courte polymère contenant une structure dérivée d'un monomère choisi dans le groupe incluant la 4,4'-diaminodiphénylsulfone, la 3,3'-diaminodiphénylsulfone et leurs mélanges ; et 50 à 80 parties en poids d'une fibre courte à tige rigide, pour 100 parties en poids de la fibre polymère et de la fibre à tige rigide présentes dans le fil.

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