FIELD: textile industry.
SUBSTANCE: invention relates to manufacture of fire-protection fabrics with heat-protection properties destined for militaries, firemen, foundry workers, welders, metallurgists, and so on. Fabric contains, in warp and weft, staple yarn including staple fibers based on triple aromatic copolyamide or mixture of triple aromatic copolyamide based fibers with natural fibers, or mixture of triple aromatic copolyamide based fibers with artificial fibers, or mixture of triple aromatic copolyamide based fibers with synthetic fibers, wherein triple aromatic copolyamide is expressed by following general formula: [-NH-R1-NHCO-R2-CO-]n[-NH-R3-NHCO-R2-CO]m[-NH-R2-NHCO-R2-CO]p, where n=0.05-0.4, m=0.6-0.95, p=0.05-0.4; R1-3 denote bivalent aromatic radicals in p-position, of which R1 is heterocyclic radical of formula , R2 p-phenylene, and R3 radical of formula
. More specifically, natural fibers utilized are cotton, flaxen , and wool fibers; synthetic fibers are polyester(ether) and polyacrylonitrile fibers; and artificial fibers are fire-resistant viscose fibers.
EFFECT: increased resource of raw materials and assortment possibilities, and improved working characteristics of fabric.
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Authors
Dates
2005-08-10—Published
2004-06-23—Filed