Flame-retardant upholstered furniture

Abstract

A flame-retardant upholstered furniture includes an inner structure, and a flame-blocking fabric that covers the inner structure. The flame-blocking fabric contains flame-retardant modacrylic fibers (A) in an amount of 60 mass % or more and 90 mass % or less, and cellulose fibers (B) in an amount of 10 mass % or more and 40 mass % or less, with respect to the overall mass of the fabric. The flame-retardant modacrylic fibers (A) contain a magnesium compound. The flame-blocking fabric contains the magnesium compound in an amount of 1.5 mass % or more and 13.5 mass % or less with respect to the overall mass of the fabric. Time until both afterflame and afterglow go out of the flame-retardant upholstered furniture is 120 seconds or less when measured through a flammability test based on BS 5852: 2006.

1 . Flame-retardant upholstered furniture comprising:
 an inner structure; and   a flame-blocking fabric that covers the inner structure,   wherein:
 the flame-blocking fabric comprises:
 flame-retardant modacrylic fibers (A) in an amount of 60 mass % or more and 90 mass % or less with respect to an overall mass of the flame-blocking fabric; and 
 cellulose fibers (B) in an amount of 10 mass % or more and 40 mass % or less with respect to an overall mass of the flame-blocking fabric, 
 
 the flame-retardant modacrylic fibers (A) comprises an acrylonitrile copolymer containing:
 acrylonitrile in an amount of 30 mass % or more and 85 mass % or less; 
 vinyl chloride in an amount of 15 mass % or more and 65 mass % or less; and 
 a sulfonic group-containing monomer in an amount of 0 mass % or more and 3 mass % or less, 
 
 the flame-retardant modacrylic fibers (A) contain a magnesium compound that is one or more selected from the group consisting of magnesium oxide and magnesium hydroxide, 
 the flame-blocking fabric contains the magnesium compound in an amount of 1.5 mass % or more and 13.5 mass % or less with respect to the overall mass of the flame-blocking fabric, and 
 time until both afterflame and afterglow go out of the flame-retardant upholstered furniture is 120 seconds or less when measured through a flammability test based on BS 5852: 2006. 
   
     
     
         2 . The flame-retardant upholstered furniture according to  claim 1 , wherein the flame-blocking fabric has a basis weight of 120 g/m 2  or more and 220 g/m 2  or less. 
     
     
         3 . The flame-retardant upholstered furniture according to  claim 1 , wherein the flame-retardant modacrylic fibers (A) contain the magnesium compound inside the flame-retardant modacrylic fibers in an amount of 2 mass % or more and 15 mass % or less with respect to an overall mass of the flame-retardant modacrylic fibers. 
     
     
         4 . The flame-retardant upholstered furniture according to  claim 3 , wherein the magnesium compound has an average particle diameter of 0.3 μm or more. 
     
     
         5 . The flame-retardant upholstered furniture according to  claim 3 , wherein the magnesium compound is magnesium hydroxide. 
     
     
         6 . The flame-retardant upholstered furniture according to  claim 1 , wherein the cellulose fibers (B) are one or more of cellulose fibers selected from the group consisting of natural cellulose fibers and regenerated cellulose fibers. 
     
     
         7 . The flame-retardant upholstered furniture according to  claim 6 , wherein the natural cellulose fibers are natural cotton fibers. 
     
     
         8 . The flame-retardant upholstered furniture according to  claim 1 , wherein the flame-blocking fabric is a knitted fabric. 
     
     
         9 . The flame-retardant upholstered furniture according to  claim 1 , further comprising a surface fabric, wherein the flame-blocking fabric is located between the inner structure and the surface fabric. 
     
     
         10 . The flame-retardant upholstered furniture according to  claim 9 , wherein the surface fabric is not coated with a flame retardant. 
     
     
         11 . The flame-retardant upholstered furniture according to  claim 1 , wherein the inner structure is a urethane foam.