Method for producing a flameproof and/or waterproof multilayer fabric and flameproof and/or waterproof multilayer fabric

Abstract

A method for producing a flameproof and waterproof multilayer fabric comprising: (a) providing at least one first layer comprising a fabric; (b) doctoring over the at least one first layer at least one second layer comprising material selected from acrylic resin, stiren-butadien-rubber, ethylene-vinyl acetate resin, polyurethane resin, vinyl resin, acrylonitrile resin and vinyl-versatic resin, thus obtaining an at least two-layered fabric; (c) foaming the at least one second layer at a temperature from 90° C. to 110° C.; (d) cold calendering the at least two-layered fabric; (e) doctoring over the at least one second layer of the at least two-layered fabric at least one third layer comprising material selected from polyurethane resin, acrylic resin, stirol-acrylic resin, vinyl-acrylic resin, ethyl-vinyl-acrylic resin, stiren-butadien-rubber, ethylene-vinyl acetate resin, vinyl resin, acrylonitrile resin and vinyl-versatic resin, thus obtaining an at least three-layered fabric; (f) heat-setting at a temperature from 120° C. to 180° C. the at least three-layered fabric.

1 . A method for producing a flameproof and waterproof multilayer fabric or a waterproof multilayer fabric comprising the steps of:
 (a) providing at least one first layer comprising a woven or non-woven fabric;   (b) doctoring over the at least one first layer at least one second layer comprising at least one material selected from the group consisting of acrylic resin, stiren-butadien-rubber (SBR), ethylene-vinyl acetate resin, polyurethane resin, vinyl resin, acrylonitrile resin and vinyl-versatic resin, thus obtaining an at least two-layered fabric;   (c) foaming the at least one second layer of the at least two-layered fabric obtained in step (b) at a temperature from 90° C. to 110° C.;   (d) cold calendering the at least two-layered fabric obtained in step (c);   (e) doctoring over the at least one second layer of the at least two-layered fabric calendered in step (d) at least one third layer comprising at least one material selected from the group consisting of polyurethane resin, acrylic resin, stirol-acrylic resin, vinyl-acrylic resin, ethyl-vinyl-acrylic resin, stiren-butadien-rubber (SBR), ethylene-vinyl acetate resin, vinyl resin, acrylonitrile resin and vinyl-versatic resin, thus obtaining an at least three-layered fabric;   (f) heat-setting at a temperature from 120° C. to 180° C. the at least three-layered fabric obtained in step (e).   
     
     
         2 . The method of  claim 1 , wherein the at least one first layer comprises a non-woven stitch-bonded fabric. 
     
     
         3 . The method of  claim 1 , further comprising a step (g) of printing the at least one second layer of the at least two-layered fabric obtained in step (c), step (g) being performed after step (c) and before step (d). 
     
     
         4 . The method of  claim 3 , wherein step (g) is performed at a temperature from 90° C. to 110° C. 
     
     
         5 .- 7 . (canceled) 
     
     
         8 . The method of  claim 1 , wherein the woven or non-woven fabric comprises a material selected from the group consisting of viscose fibres, intrinsically flame retardant viscose fibres, flame retardant treated viscose fibres, cotton fibres, flame retardant cotton fibres, flame retardant treated cotton fibres, melamine fibres, polyester fibres, low-melt polyester fibres, modacrylic fibres, para-aramid fibres, polyacrylate, PAN-carbon fibres, basalt fibres, silica fibres, textile glass fibres and mixtures thereof. 
     
     
         9 . The method of  claim 8 , wherein the woven or non-woven fabric comprises intrinsically flame retardant viscose fibres. 
     
     
         10 . (canceled) 
     
     
         11 . (canceled) 
     
     
         12 . The method of  claim 1 , wherein the at least one second layer comprises an acrylic resin. 
     
     
         13 . (canceled) 
     
     
         14 . The method of  claim 1 , wherein the at least one third layer comprises a polyurethane resin. 
     
     
         15 . (canceled) 
     
     
         16 . The method of  claim 1 , wherein the woven or non-woven fabric comprises polyester fibres. 
     
     
         17 . A flameproof and waterproof multilayer fabric comprising:
 at least one first layer comprising a woven or non-woven fabric;   at least one second layer comprising at least one material selected from the group consisting of acrylic resin, stiren-butadien-rubber (SBR), ethylene-vinyl acetate resin, polyurethane resin, vinyl resin, acrylonitrile resin and vinyl-versatic resin;   at least one third layer comprising at least one material selected from the group consisting of polyurethane resin, acrylic resin, stirol-acrylic resin, vinyl-acrylic resin, ethyl-vinyl-acrylic resin, stiren-butadien-rubber (SBR), ethylene-vinyl acetate resin, vinyl resin, acrylonitrile resin and vinyl-versatic resin.   
     
     
         18 . The flameproof and waterproof multilayer fabric of  claim 17 , wherein the at least one first layer comprises a non-woven stitch-bonded fabric. 
     
     
         19 . The flameproof and waterproof multilayer fabric of  claim 17 , wherein the woven or non-woven fabric comprises a material selected from the group consisting of viscose fibres, intrinsically flame retardant viscose fibres, flame retardant treated viscose fibres, cotton fibres, flame retardant cotton fibres, flame retardant treated cotton fibres, melamine fibres, polyester fibres, low-melt polyester fibres, modacrylic fibres, para-aramid fibres, polyacrylate, PAN-carbon fibres, basalt fibres, silica fibres, textile glass fibres and mixtures thereof. 
     
     
         20 . The flameproof and waterproof multilayer fabric of  claim 19 , wherein the woven or non-woven fabric comprises intrinsically flame retardant viscose fibres. 
     
     
         21 .- 23 . (canceled) 
     
     
         24 . The flameproof and waterproof multilayer fabric of  claim 17 , wherein the at least one second layer comprises an acrylic resin. 
     
     
         25 . (canceled) 
     
     
         26 . (canceled) 
     
     
         27 . The flameproof and waterproof multilayer fabric of  claim 17 , wherein the at least one third layer comprises a polyurethane resin. 
     
     
         28 .- 31 . (canceled) 
     
     
         32 . The flameproof and waterproof multilayer fabric of  claim 17 , wherein the overall weight of the fabric is from 220 g/m 2  to 260 g/m 2 , the at least one first layer comprises a non-woven stitch-bonded fabric comprising intrinsically flame retardant viscose fibres, the at least one second layer comprises an acrylic resin and the at least one third layer comprises a polyurethane resin. 
     
     
         33 .- 35 . (canceled) 
     
     
         36 . A waterproof multilayer fabric comprising:
 at least one first layer comprising a woven or non-woven fabric comprising polyester fibres;   at least one second layer comprising at least one material selected from the group consisting of acrylic resin, stiren-butadien-rubber (SBR), ethylene-vinyl acetate resin, polyurethane resin, vinyl resin, acrylonitrile resin and vinyl-versatic resin;   at least one third layer comprising at least one material selected from the group consisting of polyurethane resin, acrylic resin, stirol-acrylic resin, vinyl-acrylic resin, ethyl-vinyl-acrylic resin, stiren-butadien-rubber (SBR), ethylene-vinyl acetate resin, vinyl resin, acrylonitrile resin and vinyl-versatic resin.   
     
     
         37 . The waterproof multilayer fabric of  claim 36 , wherein the overall weight of the fabric is from 120 g/m 2  to 160 g/m 2 . 
     
     
         38 . (canceled) 
     
     
         39 . The waterproof multilayer fabric of  claim 36 , wherein the overall thickness of the fabric is from 270 μm to 370 μm. 
     
     
         40 .- 45 . (canceled)