Addition agent composition
AssigneeAmerican Cyanamid Company
InventorsSamuel S. Wang, Morris E. Lewellyn
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Abstract
Modified tall oil pitch is blended with a metallurgical addition agent and briquetted, extruded, molded, pelletized, or tabletized into a unitary composition. The tall oil pitch is modified chemically to increase the molecular weight and improve the binding properties.
Claims29
An addition agent composition which comprises a blend of an addition agent with a modified tall oil pitch binder wherein the modified tall oil pitch binder comprises an organic or inorganic filler and a tall oil pitch that is chemically modified with a polycarboxylic acid, a polyamine, a polyol, a polyisocyanate, an epoxy resin or a combination thereof.
An addition agent composition which comprises a blend of an addition agent with a modified tall oil pitch binder wherein the addition agent constitutes at least 50 weight percent of the blend and wherein the modified tall oil pitch binder has a softening point between 30.degree. and 125.degree. C. and comprises from about 1 to 50 weight percent of an organic or inorganic filler and from about 50 to 99 weight percent of a tall oil pitch that is chemically modified with a polycarboxylic acid, a polyamine, a polyol, a polyisocyanate, an epoxy resin or a combination thereof.
Dependencies are inferred from the claim text.