Heat Insulation Composition For Improving Heat Insulation And Soundproofing Functions, Containing Aerogel, And Method For Manufacturing Heat Insulation Fabric By Using Same

Abstract

The present invention relates to a heat insulation composition, containing aerogel, with improved heat insulation and soundproofing properties, and a method for manufacturing a heat insulation fabric by using the same. The heat insulation composition is prepared by mixing solvent, aerogel powder, adhesive binder and carbon black powder, thereby improving the heat insulation property at an extremely low temperature and at a high temperature, and also enhancing the soundproofing property.

What is claimed is: 
     
         1 . A heat insulation composition with improved heat insulation and soundproofing properties, containing aerogel, prepared by mixing solvent, aerogel powder, adhesive binder, and carbon black powder. 
     
     
         2 . The composition of  claim 1 , wherein the composition includes 80 to 100 parts by weight of the solvent, 3 to 5 parts by weight of the aerogel powder, 1 to 2 parts by weight of the adhesive binder, and 1 to 5 parts by weight of the carbon black powder. 
     
     
         3 . The composition of  claim 2 , wherein the carbon black powder has a particle of a diameter of 10 μm or less and a density of 0.06 to 0.15 g/cm 3 . 
     
     
         4 . The composition of  claim 2 , wherein the adhesive binder includes at least one of celluloses, starches, epoxies, polyvinyl alcohol and urethanes, and carboxymethylcellulose. 
     
     
         5 . The composition of  claim 2 , wherein as an additive, at least one mineral oxide selected from a group of titanium dioxide, silicon carbide, and iron hydroxide is added, and the mineral oxide has a particle of a diameter of 10 μm or less and is added in a weight ratio of 1 to 5 with respect to the mixture of the solvent, adhesive binder, aerogel powder, and carbon black powder. 
     
     
         6 . The composition of  claim 2 , wherein as an additive, porous mineral oxide is added. 
     
     
         7 . The composition of  claim 2 , wherein an aqueous acrylic resin is added as an additive in a weight ratio of 3 or less with respect to the mixture of the solvent, adhesive binder, aerogel powder, and carbon black powder. 
     
     
         8 . The composition of  claim 2 , wherein as an additive, ethylene glycol or propylene glycol is additionally added. 
     
     
         9 . A method for manufacturing a heat insulation fabric using the heat insulation composition of  claim 1 , comprising:
 step  10  of manufacturing the heat insulation composition (S 10 );   step  20  of coating the heat insulation composition on the outer surface of the fabric while the fabric is moving (S 20 ); and   step  30  of applying pressure to an outer surface of the fabric, for the heat insulation composition to be absorbed into an inside of the fabric (S 30 ).   
     
     
         10 . The method of  claim 9 , wherein step  10  (S 10 ) comprises:
 step  11  of preparing an aqueous binder mixture by mixing solvent and adhesive binder (S 11 ); 
 step  12  of adding a first additive to the aqueous binder mixture and mixing (S 12 ); 
 step  13  of adding aerogel powder to the aqueous binder mixture and dispersing (S 13 ); 
 step  14  of adding a second additive to the dispersion where the aerogel powder and first additive are mixed with the aqueous binder mixture (S 14 ); and 
 step  15  of adding carbon black powder in a state where the second additive is mixed and dispersed (S 15 ). 
 
     
     
         11 . The method of  claim 10 , wherein in step  12  (S 12 ), as the first additive, at least one of aqueous acrylic resin, porous mineral oxide powder including fumed silica and/or glass bubble, and antifreeze of ethylene glycol and/or propylene glycol is added in a weight ratio of 1 to 2 with respect to the mixture of the solvent, adhesive binder, aerogel powder, and carbon black powder. 
     
     
         12 . The method of  claim 10 , wherein in step  14  (S 14 ), as the second additive, at least one mineral oxide, selected from a group comprising rutile titanium dioxide, silicon carbide, and hematite and magnetite, with a particle of a diameter of 10 μm or less, is added in a weight ratio of 1 to 5 with respect to the mixture of the solvent, adhesive binder, aerogel powder, and carbon black powder. 
     
     
         13 . The method of  claim 9 , wherein in step  10  (S 10 ), 80 to 100 parts by weight of water as the solvent, 1 to 2 parts by weight of carboxymethylcellulose as the additive binder, 3 to 5 parts by weight of the aerogel powder, and 1 to 5 parts by weight of the carbon black powder with a particle of a diameter of 10 μm or less and a density of 0.06 to 0.15 g/cm 3  are mixed. 
     
     
         14 . The method of  claim 9 , wherein in step  30  (S 30 ), a roller has a width that is similar to or greater than a width of the fabric, and arranged to contact both surfaces or one surface, for the heat insulation composition to be absorbed into the fabric with the pressure of the roller, and a blade is prepared similar or greater than a width of the fabric and with an elastic lower part having a sharp-shaped side, wherein the lower part is bent to contact the transferred fabric, and applies pressure to the fabric, for the heat insulation composition to be absorbed into the fabric.