Patent ID: 6231665
Filing Date: 2001-05-15
Classification: C04B

Abstract:
A cementitious composition comprising a hydratable cementitious binder comprising Portland cement in the amount of 5-25% based on total dry weight of the composition; said composition further comprising a fine aggregate portion comprising 75 to 95% based on total dry weight of solids in the composition, said fine aggregate comprising non-cementitious particles wherein at least 95% of the particles have an average diameter of less than 0.375 inches; the composition, when wet, having essentially zero slump when tested by the standard cone method for measuring slump; said composition further comprising an alkali or alkaline earth metal polyacrylic acid or polyacrylate or derivative thereof and having an average molecular weight in the range of 500-49,000, said polymer being present in the amount of 0.01-5.0% based on dry weight of said cementitious binder present in the composition.