High flame resistant union fabric

Abstract

A fabric is provided that has high degree of flame resistance in the case of a union fabric consisting of a halogen-containing flame resistant fiber including antimony compounds (A), and a cellulosic fiber, and the fabric is classified into class M1 of NF P 92-503 combustion test in France. A flame resistant union fabric obtained by co-weaving: a compound yarn (A) 30% to 70% by weight obtained by compounding a halogen-containing flame resistant fiber (a-1) including an antimony compound 25 to 50 parts by weight in an acrylic based copolymer 100 parts by weight obtained by polymerizing a monomer mixture including acrylonitrile 30 to 70% by weight, a halogen containing vinyl based monomer 30 to 70% by weight, and a vinyl based monomer copolymerizable therewith 0 to 10% by weight, and an other fiber (a-2), the compound yarn (A) having an elongation percentage less than 5% under a condition of a load of 300 mg / metric count of No. 17, and of a temperature range of 100 degrees C. to 500 degrees C.; a cellulosic fiber yarn (B) 70 to 30% by weight.

Description

FIELD OF THE INVENTION [0001] The present invention relates to a flame resistant union fabric. Specifically, the present invention relates to a union fabric having high degree of flame resistance consisting of a compound yarn having a halogen-containing flame resistant fiber including an antimony compound as a principal component, and a cellulosic fiber. BACKGROUND ART [0002] In recent years, demand for guarantee of safety of foods, clothes and housings has become stronger, and necessity for fire-resistant materials is increasing. In such a situation, a plurality of methods to give flame resistance to a flammable yarn by compounding general-purpose flammable fibers and flame resistant fibers having high degree of flame resistance, while maintaining characteristics of the flammable yarn, have been proposed. As such a compound fiber, for example, Japanese Patent No. 2593985 specification and Japanese Patent No. 2593986 specification disclose a method of using antimony compounds as a f...

AI Technical Summary

Benefits of technology

The present invention relates to a flame resistant union fabric that is made by co-weaving a compound yarn and a cellulosic fiber yarn. The compound yarn is made by combining a halogen-containing flame resistant fiber, such as an antimony compound, with an acrylic based copolymer. The compound yarn has a certain thermal behavior that makes it highly flame resistant when used as a warp or weft yarn in the fabric. The cellulosic fiber yarn can be cotton, hemp, rayon, polynosic, cupra, acetate, or triacetate. The technical effect of this invention is to provide a flame resistant fabric that can withstand high temperatures and has good flame resistance properties.

Problems solved by technology

However, in these union fabrics, uneven existence of cellulosic fibers and halogen-containing flame resistant fibers in a fabric makes it very difficult to pass a highest flame resistant class M1 in NF P 92-503 combustion test in France that requires a very high degree of flame resistance.

However, since zinc stannate compounds a have higher cost than that of antimony compounds, the fiber has a cost higher than that of conventional fibers as compared with independent addition of the antimony compounds to the halogen-containing fiber, leading to a problem of higher cost of the union fabric.