Laminated fabric for protective clothing and protective clothing using the same

Abstract

There are provided a laminated fabric for protective clothing capable of achieving both higher heat shielding properties and comfort properties, and protective clothing using the same. A laminated fabric for protective clothing comprising two or more fabric layers including an outer layer and an inner layer, with the inner layer disposed on a skin side, when used in protective clothing, wherein the outer layer is a fabric composed of a fiber having an LOI value (limiting oxygen index) of 21 or more measured by JIS L 1091 E method, the inner layer is a fabric composed of a fiber having an LOI value (limiting oxygen index) of 21 or more measured by JIS L 1091E method, and a thermal diffusivity of 2.2×10 −6 m 2 ·s −1 or more, and the fabric has a porosity ranging from 85% to 98%, a thickness ranging from 0.5 mm to 8.0 mm and a basis weight ranging from 80 g/m 2 to 250 g/m 2 , and further, protective clothing using this laminated fabric for protective clothing.

1 . A laminated fabric for protective clothing comprising two or more fabric layers including an outer layer and an inner layer, with the inner layer disposed on a skin side, when used in protective clothing, wherein the outer layer is a fabric composed of a fiber having an LOI value (limiting oxygen index) of 21 or more measured by JIS L 1091 E method, the inner layer is a fabric composed of a fiber having an LOI value (limiting oxygen index) of 21 or more measured by JIS L 1091 E method, and a thermal diffusivity of 2.2×10 −6  m 2 ·s −1  or more, and the fabric has a porosity ranging from 85% to 98%, a thickness ranging from 0.5 mm to 8.0 mm and a basis weight ranging from 80 g/m 2  to 250 g/m 2 . 
     
     
         2 . The laminated fabric for protective clothing according to  claim 1 , wherein the fabric of the inner layer has an air permeability of 20 cm 3 /m 2 ·sec or more. 
     
     
         3 . The laminated fabric for protective clothing according to  claim 1 , wherein the fiber composing the fabric of the inner layer is composed of a fiber-forming polymer and contains fine particles composed of a material having a thermal conductivity of 70 W/(m·k) or more. 
     
     
         4 . The laminated fabric for protective clothing according to  claim 3 , wherein the fiber composing the fabric of the inner layer is composed of the fiber-forming polymer and contains at least one of fine particles of carbon powder, carbon nanotubes, diamond, silver, copper, gold and aluminum. 
     
     
         5 . The laminated fabric for protective clothing according to  claim 1 , wherein the fabric of the inner layer is a nonwoven fabric. 
     
     
         6 . The laminated fabric for protective clothing according to  claim 1 , wherein the fabric of the inner layer is raised. 
     
     
         7 . The laminated fabric for protective clothing according to  claim 1 , wherein the fabric of the inner layer contains carbon fiber in an amount of 50% by weight or more. 
     
     
         8 . The laminated fabric for protective clothing according to  claim 1 , wherein the fabric has an intermediate layer between the outer layer and the inner layer, and the intermediate layer is a fabric in which a moisture-permeable waterproof film is laminated on and fixed to a fabric composed of a fiber having an LOI value (limiting oxygen index) of 25 or more measured by JIS L 1091 E method. 
     
     
         9 . The laminated fabric for protective clothing according to  claim 1 , wherein the fabric has a back fabric layer arranged on a further skin side than the inner layer, when used in protective clothing. 
     
     
         10 . Protective clothing using the laminated fabric for protective clothing according to  claim 1 . 
     
     
         11 . Protective clothing using the laminated fabric for protective clothing according to  claim 2 . 
     
     
         12 . Protective clothing using the laminated fabric for protective clothing according to  claim 3 . 
     
     
         13 . Protective clothing using the laminated fabric for protective clothing according to  claim 4 . 
     
     
         14 . Protective clothing using the laminated fabric for protective clothing according to  claim 5 . 
     
     
         15 . Protective clothing using the laminated fabric for protective clothing according to  claim 6 . 
     
     
         16 . Protective clothing using the laminated fabric for protective clothing according to  claim 7 . 
     
     
         17 . Protective clothing using the laminated fabric for protective clothing according to  claim 8 . 
     
     
         18 . Protective clothing using the laminated fabric for protective clothing according to  claim 9 .