Cementitious material reinforced with purified cellulose fiber

摘要

The present invention is directed to a cellulose fiber reinforced cementitious material having cement; optionally sand and/or aggregate; and chemically purified cellulose fibers with a Zero-Span Stability Ratio or precent cellulose content of about 90 percent or greater. The invention may also include one or more synthetic or natural fibers, and may also include latex.