Fire resistant cellulose insulation and method of production from sugar cane bagasse

Abstract

The present invention is a fire resistant cellulose insulation material made from agricultural byproduct containing cellulose fiber, comprising: cellulose fibers that have been bathed in an effective amount of a first aqueous solution of chemicals suitable for separating and partially dissolving said cellulose fibers, followed by an effective amount of a second aqueous solution of chemicals suitable to neutralize said first aqueous solution, and a fire retardant chemical produced from the neutralization of said first aqueous solution by said second aqueous solution, said fire retardant chemical precipitated on said cellulose fibers. A method for making same is also disclosed and claimed.

What is claimed is:  
     
         4 . A fire resistant cellulose insulation material made from agricultural byproduct containing cellulose fiber, comprising 
 cellulose fibers that have been bathed in an effective amount of a first aqueous solution of chemicals suitable for separating and partially dissolving said cellulose fibers, followed by an effective amount of a second aqueous solution of chemicals suitable to neutralize said first aqueous solution, and    a fire retardant chemical produced from the neutralization of said first aqueous solution by said second aqueous solution, said fire retardant chemical precipitated on said partially dissolved cellulose fibers.    
     
     
         5 . The fire resistant cellulose insulation material of  claim 4 , wherein said cellulose fibers comprise sugar cane bagasse, guayule bagasse, or other cellulose containing farming wastes or mixtures thereof.  
     
     
         6 . The fire resistant cellulose insulation material of  claim 4 , wherein said first aqueous solution comprises from about 5% to about 20% weight of sodium hydroxide, sodium carbonate, aluminum hydroxide, sulfuric acid, phosphoric acid or mixtures thereof.  
     
     
         7 . The fire resistant cellulose insulation material of  claim 4 , wherein said second aqueous solution comprises from about 5% to about 20% by weight of boric acid, sulfuric acid, aluminum hydroxide, ammonia salts or mixtures thereof.