Films and coatings containing borosilicate flake glass

Abstract

A coating material containing borosilicate flake glass is disclosed, together with methods for the preparation and use thereof.

We claim: 
     
         1 . A thermal barrier film, said film comprising:
 a flexible sheet, without having a cross-linkable silicone component, that is configured to be applied to at least a portion of a substrate, the flexible sheet formed of a coating material having a quantity of flaked borosilicate glass,   wherein upon exposure of the substrate having the flexible sheet disposed thereon to a source of thermal radiation, the substrate has a temperature that is less than a temperature of a comparable substrate that does not have the flexible sheet disposed thereon and similarly exposed to the source of thermal radiation.   
     
     
         2 . The thermal barrier film of  claim 1 , wherein the substrate is a non-metal. 
     
     
         3 . The thermal barrier film of  claim 2 , wherein the non-metal comprises a textile material, a polymeric material, a woven material, a non-woven material, a membrane material, or combinations thereof. 
     
     
         4 . The thermal barrier film of  claim 1 , wherein at least a portion of the flaked borosilicate glass has an aspect ratio of about 100:1 or greater. 
     
     
         5 . The thermal barrier film of  claim 1 , wherein the flexible sheet is from about 10 μm to about 5,000 μm thick. 
     
     
         6 . The thermal barrier film of  claim 1 , wherein the flaked borosilicate glass has an average particle size in at least one dimension of from about 5 μm to about 100 μm. 
     
     
         7 . The thermal barrier film of  claim 1 , wherein the coating material comprises from about 10 wt. % to about 80 wt. % flaked borosilicate glass. 
     
     
         8 . The thermal barrier film of  claim 1 , wherein the coating material comprises from about 10 wt. % to about 25 wt. % flaked borosilicate glass. 
     
     
         9 . The thermal barrier film of  claim 1 , wherein the source of thermal radiation comprises solar radiation, infrared radiation, convective heating, or combinations thereof. 
     
     
         10 . The thermal barrier film of  claim 1 , wherein upon exposure to the source of thermal radiation the temperature of the substrate having the flexible sheet disposed thereon is less than about 5° F. or greater than the temperature of the comparable substrate that does not have the flexible sheet disposed thereon and similarly exposed to the source of thermal radiation. 
     
     
         11 . A method for improving the thermal properties of a material, the method comprising:
 contacting the film of  claim 1  to the substrate; and   exposing the substrate to the source of thermal radiation.   
     
     
         12 . The method of  claim 11 , wherein the substrate is a non-metal. 
     
     
         13 . The method of  claim 12 , wherein the non-metal comprises a textile material, a polymeric material, a woven material, a non-woven material, a membrane material, or combinations thereof. 
     
     
         14 . The method of  claim 11 , wherein the film is from about 10 μm to about 5,000 μm thick. 
     
     
         15 . The method of  claim 11 , wherein the coating material comprises from about 10 wt. % to about 80 wt. % flaked borosilicate glass. 
     
     
         16 . The method of  claim 11 , wherein the coating material comprises from about 10 wt. % to about 25 wt. % flaked borosilicate glass. 
     
     
         17 . The method of  claim 11 , wherein the source of thermal radiation comprises solar radiation, infrared radiation, convective heating, or combinations thereof. 
     
     
         18 . The method of  claim 11 , wherein the temperature of the substrate having the flexible sheet disposed thereon is less than about 5° F. or greater than the temperature of the comparable substrate that does not have the flexible sheet disposed thereon and similarly exposed to the source of thermal radiation. 
     
     
         19 . A coated substrate comprising:
 a non-metal substrate; and   a coating material, without having a cross-linkable component, disposed on and at least partially impregnated in at least a portion of the non-metal substrate, wherein the coating material is a paint that comprises flaked borosilicate glass,   wherein upon exposure of the coated non-metal substrate to a source of thermal radiation, the coated non-metal substrate has a temperature that is less than a temperature of a comparable non-metal substrate that is not coated with the coating material and similarly exposed to the source of thermal radiation.   
     
     
         20 . The coated substrate of  claim 19 , wherein the non-metal substrate comprises a textile material, a polymeric material, a woven material, a non-woven material, a membrane material, or combinations thereof. 
     
     
         21 . The coated substrate of  claim 19 , wherein at least a portion of the flaked borosilicate glass has an aspect ratio of about 100:1 or greater. 
     
     
         22 . The coated substrate of  claim 19 , wherein the coating material, once disposed on the non-metal substrate, is from about 10 μm to about 5,000 μm thick. 
     
     
         23 . The coated substrate of  claim 19 , wherein the flaked borosilicate glass has an average particle size in at least one dimension of from about 5 μm to about 100 μm. 
     
     
         24 . The coated substrate of  claim 19 , wherein the coating material comprises from about 10 wt. % to about 80 wt. % flaked borosilicate glass. 
     
     
         25 . The coated substrate of  claim 19 , wherein the coating material comprises from about 10 wt. % to about 25 wt. % flaked borosilicate glass. 
     
     
         26 . The coated substrate of  claim 19 , wherein the source of thermal radiation comprises solar radiation, infrared radiation, convective heating, or combinations thereof. 
     
     
         27 . The coated substrate of  claim 19 , wherein the coating material has a density in the range of about 1.16 g/mL to about 1.21 g/mL. 
     
     
         28 . The coated substrate of  claim 19 , wherein upon exposure to the source of thermal radiation the temperature of the coated non-metal substrate is less than about 5° F. or greater than the temperature of the comparable non-metal substrate that is not coated with the coating material and similarly exposed to the source of thermal radiation. 
     
     
         29 . A method for improving the thermal properties of a material, the method comprising:
 contacting a coating composition that is a paint comprising flaked borosilicate glass with a non-metal substrate to form a coated non-metal substrate, wherein the coating composition does not comprise a cross-linkable silicone component; and   exposing the coated substrate to a source of thermal radiation, wherein the coated non-metal substrate has a temperature that is less than a temperature of a comparable non-metal substrate that is not coated with the coating composition and similarly exposed to the source of thermal radiation,   wherein, after contacting, the coating composition is at least partially impregnated in the non-metal substrate.   
     
     
         30 . The method of  claim 29 , wherein the coating composition has a density in the range of about 1.16 g/mL to about 1.21 g/mL. 
     
     
         31 . The method of  claim 29 , wherein the non-metal substrate comprises a textile material, a polymeric material, a woven material, a non-woven material, a membrane material, or combinations thereof. 
     
     
         32 . The method of  claim 29 , wherein, after contacting, the coating composition forms a layer on at least a portion of one surface of the non-metal substrate. 
     
     
         33 . The method of  claim 32 , wherein the layer is from about 10 μm to about 5,000 μm thick. 
     
     
         34 . The method of  claim 29 , wherein the coating material comprises from about 10 wt. % to about 80 wt. % flaked borosilicate glass. 
     
     
         35 . The method of  claim 29 , wherein the coating material comprises from about 10 wt. % to about 25 wt. % flaked borosilicate glass. 
     
     
         36 . The method of  claim 29 , wherein the source of thermal radiation comprises solar radiation, infrared radiation, convective heating, or combinations thereof. 
     
     
         37 . The method of  claim 29 , wherein the temperature of the coated non-metal substrate is less than about 5° F. or greater than the temperature of the comparable non-metal substrate that is not coated with the coating material and similarly exposed to the source of thermal radiation.