High temperature resistant molding materials
AssigneeRutgerswerke Aktiengesellschaft
InventorsArno Gardziella, Karl-Heinz Schwieger, Peter Adolphs, Josef Suren
Life of this patent
Estimating the term…
Abstract
Improved high temperature resistant molding materials containing customary filler materials and additives and a carbon forming bonding agent which is a phenol novolac with a molar ratio of phenol to formaldehyde of 1 to 0.2 to 1 to 0.35 of high quality and free of solvents useful as refractory products, carbon materials, abrasive wheels, friction lining and the like.
Claims9
In a high-temperature resistance molding material containing customary filler and additive materials and a carbon forming bonding agent, the improvement comprising using as the carbon forming bonding agent a phenol-novolac with a phenolformaldehyde molar ratio of 1:0.2 to 1:035.
Dependencies are inferred from the claim text.