Patent ID: 6740710
Filing Date: 2004-05-25
Classification: C06B,C08G

Abstract:
A composition for waterproofing explosive material, the composition comprising:a) 25 to 40 percent by weight, based on the total weight of the composition, of at least one polyisocyanate; b) 45 to 85 percent by weight, based on the total weight of the composition, of a polymer derived from 1,3-butadiene and containing functional groups that are reactive with an isocyanate group; c) 0.005 to 0.05 percent by weight, based on the total weight of the composition, of an aromatic isocyanate wherein the aromatic isocyanate comprises isocyanatobenzene; and d) 0.005 to 0.05 percent by weight, based on the total weight of the composition, of a catalyst.