Process for the manufacture of molded carbon bodies

A process for the manufacture of molded carbon bodies directly from high-boiling aromatic hydrocarbon fractions derived from coal or mineral oil, without additional binding agents and without using high pressures, is disclosed. Molds are filled with the starting material, distillation residues from...

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Hauptverfasser:	STOLZENBERG, KONRAD, GLASER, HERBERT
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TREATMENT OF NATURAL STONE
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creator	STOLZENBERG KONRAD GLASER HERBERT
description	A process for the manufacture of molded carbon bodies directly from high-boiling aromatic hydrocarbon fractions derived from coal or mineral oil, without additional binding agents and without using high pressures, is disclosed. Molds are filled with the starting material, distillation residues from the working-up of coal tar or pyrolysis products, these residues having a softening point (KS) in excess of 40 DEG C. and a quinoline-insoluble content (QI)
format	Patent
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Molds are filled with the starting material, distillation residues from the working-up of coal tar or pyrolysis products, these residues having a softening point (KS) in excess of 40 DEG C. and a quinoline-insoluble content (QI)<1.0%, and being in the liquid state, or in the solid state, and are heated, in the first step up to 550 DEG C., the residues being converted into "green" coke. In the second step, the coke is heated up to at least 800 DEG C. at a heating rate, depending on the diameter d (m), of 1.2x1/d2 K/day. The molded bodies can be impregnated and graphitized. 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Molds are filled with the starting material, distillation residues from the working-up of coal tar or pyrolysis products, these residues having a softening point (KS) in excess of 40 DEG C. and a quinoline-insoluble content (QI)<1.0%, and being in the liquid state, or in the solid state, and are heated, in the first step up to 550 DEG C., the residues being converted into "green" coke. In the second step, the coke is heated up to at least 800 DEG C. at a heating rate, depending on the diameter d (m), of 1.2x1/d2 K/day. The molded bodies can be impregnated and graphitized. They are distinguished by high electrical conductivity, low thermal expansion, and high strength in the axial direction.</abstract><edition>3</edition><oa>free_for_read</oa></addata></record>
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subjects	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TREATMENT OF NATURAL STONE
title	Process for the manufacture of molded carbon bodies
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