C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
261/53
C04B 16/02 (2006.01)
Patent
CA 1204456
COMPOSITE MATERIALS MADE FROM PLANT FIBERS BONDED WITH PORTLAND CEMENT AND METHOD OF PRODUCING SAME ABSTRACT OF THE DISCLOSURE The specification discloses a method of producing composite building materials from a mixture of plant fibers bonded with portland cement. Plant fibers, cement and soluble silicates in certain proportions are mixed and heated under pressure for a short period to get physically stable product that can be cured under atmospheric conditions to full strength. The plant fibers may initially be pretreated with an aqueous solution containing dichromate or permanganate ion prior to adding the cement to negate the adverse effects of set inhibit- ing water-soluble compounds in the fiber. Other chemicals may be added to modify the reaction and improve the product.
432716
Guthrie Bernard M.
Torley Robert E.
Permawood International Corporation
Smart & Biggar
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