Cotton-cement articles
First Claim
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1. A fiber reinforced cementitious hydrated reaction product of curing a reaction mixture comprising on a dry basis:
- a. between about 25 and about 75 wt. % Portland cement;
b. between about 1 and about 15 wt. % cotton fiber;
c. between about 3 and about 30 wt. % inorganic filler; and
d. at least sufficient water to supply water of hydration.
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Abstract
A cotton reinforced, cementitious, hydrated product is made by combining on a dry basis between about 25 and about 75 wt. % Portland cement, between about 1 and about 15 wt. % cotton fiber, between about 3 and about 30 wt. % inorganic filler and preferably between about 10 and about 40 wt. % silica with water to form an aqueous slurry. The slurry is formed into desired shapes such as sheets or slabs and cured by autoclaving to produce the desired product.
91 Citations
22 Claims
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1. A fiber reinforced cementitious hydrated reaction product of curing a reaction mixture comprising on a dry basis:
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a. between about 25 and about 75 wt. % Portland cement; b. between about 1 and about 15 wt. % cotton fiber; c. between about 3 and about 30 wt. % inorganic filler; and d. at least sufficient water to supply water of hydration. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A process for making cotton reinforced cementitious material which comprises:
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a. combining water with, on a dry basis, between about 25 and about 75 wt. % Portland cement, between about 1 and about 15 wt. % cotton fiber and between about 3 and about 30 wt. % inorganic filler to form a reaction mixture; and b. forming and curing said material from said mixture. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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Specification