Patent ID: 7972433
Filing Date: 2011-07-05
Classification: C04B,Y02W

Abstract:
1. A fiber reinforced cement composition comprising the following raw materials: a hydraulic inorganic material; a siliceous material; a woody reinforcement; mica; and polyvinyl alcohol resin, wherein the siliceous material comprises an inorganic hollow material having average particle size of 50-300 μm and/or an inorganic spherical material having average particle size of 15-50 μm and a inorganic material having average particle size of 1-15 μm, the inorganic hollow material having average particle size of 50-300 μm comprises at least one material selected from the group consisting of fly ash, expanded perlite and shirasu balloon, the inorganic spherical material having average particle size of 15-50 μm comprises at least one material selected from the group consisting of fly ash and shirasu balloon, the inorganic material having average particle size of 1-15 μm comprises at least one material selected from the group consisting of fly ash, expanded perlite and shirasu balloon, and the woody reinforcement comprises needle-leaves-tree unbleached kraft pulp and/or needle-leaves-tree bleached kraft pulp and used newspaper.