Low density fibrous sheet material

Details Low density fibrous sheet material Low density fibrous sheet material

C - Chemistry, Metallurgy

08

L

9/44, 6/63, 117/

C08L 5/00 (2006.01) C04B 26/28 (2006.01) D02G 3/00 (2006.01) D21H 13/40 (2006.01) D21H 17/32 (2006.01) D21H 17/63 (2006.01)

Patent

CA 1189255

Abstract of the Disclosure Disclosed is a method of forming a low density fibrous composition that has utility as an insulation material. The method comprises first forming an aqueous mixture comprising fibers, an anionic detergent and a cationic guar gum derivative. Borax is then added to the mixture to thereby form a precipitate wherein the guar gum is deposited on the fibers. The precipitate is dried to form the low density fibrous composition.

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