Isotropic pitch-based materials for thermal insulation

Details Isotropic pitch-based materials for thermal insulation Isotropic pitch-based materials for thermal insulation

D - Textiles, Paper

04

H

D04H 13/00 (2006.01) F27D 1/00 (2006.01)

Patent

CA 2489689

Insulation materials suited to high temperature applications, such as the insulation of furnaces, are formed from a mixture of pitch carbon fibers, such as isotropic pitch carbon fibers, and a binder comprising a solution of sugar in water. The sugar solution is preferably at a concentration of from 20-60 % sucrose to yield a low density material having high flexural strength and low thermal conductivity when carbonized to a temperature of about 1800 ~C.

L'invention concerne des matières isolantes conçues pour des applications, telles que l'isolation de fournitures, sont formées à partir d'un mélange de fibres de carbone à base de brai, telles que des fibres carbone à base de brai isotrope, et un liant comprenant une solution de sucre dans l'eau. Ladite solution de sucre présente de préférence une concentration de 20 à 60 % de saccharose pour produire une matière à faible densité présentant une résistance à la flexion et une faible conductivité thermique lorsqu'elle est carbonisée à température d'environ 1800 ·C.

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