Fiber cement board with modified fiber
AssigneeWeyerhaeuser NR Company
InventorsROBERT T. HAMILTON, DAVID J. O'CALLAGHAN, HUGH WEST
Life of this patent
Estimating the term…
Abstract
A building material product comprising a cementitious binder, an aggregate and cellulose reinforcing fibers wherein the cellulose reinforcing fibers have been treated with cationic or nonionic oil. The resulting fiber when included in a fiber cement composite results in improved deflection of the composite at peak loading as well as improved impact strength while maintaining overall board strength.
Claims6
A building material product comprising a cementitious binder, an aggregate and cellulose reinforcing fibers wherein the cellulose reinforcing fibers have been treated with cationic or nonionic oil.
Dependencies are inferred from the claim text.