ISOTROPIC PITCH-BASED MATERIALS FOR THERMAL INSULATION

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...

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Bibliographische Detailangaben
Hauptverfasser:	LEWIS, IRWIN CHARLES, CHIU, CHARLES C, CHANG, CHING-FENG
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ARTIFICIAL STONE BLASTING BRAIDING CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE COTTON-WOOL DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS FURNACES HEATING KILNS KNITTING LACE-MAKING LIGHTING LIME, MAGNESIA MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL MECHANICAL ENGINEERING METALLURGY NON-WOVEN FABRICS OVENS REFRACTORIES RETORTS SLAG TEXTILES TREATMENT OF NATURAL STONE TRIMMINGS WADDING WEAPONS
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Beschreibung
Zusammenfassung:	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.