Fabric reinforced cement
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United States of America Patent
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Mar 29, 2011
Grant Date -
Oct 20, 2005
app pub date -
Feb 24, 2005
filing date -
Feb 25, 2004
priority date (Note) -
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Abstract
The present disclosure relates to cementitious articles that are reinforced with a fabric made at least partially of high modulus polyolefin monofilament fibers. Preferably, the polypropylene monofilament yarns have a 3% secant modulus of elasticity of at least 100 g/denier. The high modulus polypropylene fabric has an intrinsic resistance to the alkaline conditions present in a cementitious composite, as well as a low elongation at break. The high modulus polypropylene may contain a nucleating agent to facilitate the process of obtaining desired draw ratio.
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