Production of resinous polyamides by the reaction of a monomeric polyamine with the product of a styrene and a dehydrated castor oil fatty acid

Claim 1

A PROCESS OF FORMING A NEW RESINOUS POLYAMIDE WHICH COMPRISES CONDENSING BY HEATING, UNDER REFLUX, A MIXTURE OF (A) A MONOMERIC ORGANIC POLYAMINE WITH (B) A COPOLYMERIZATION PRODUCT PRODUCED BY HEATING, UNDER REFLUX, A CHARGE COMPRISING ESSENTIALLY (1) A MONOMERIC SUBSTANCE SELECTED FROM A GROUP CONSISTING OF STYRENE, ALPHA METHYLSTYRENE AND VINYL TOLUENE AND (2) DEHYDRATED CASTOR OIL FATTY ACIDS, THE CHARGE BEING HEATED TO THE BOILING POINT OF THE MONOMERIC SUBSTANCE, THE MOLAR RANGE OF SUBSTANCE (1) TO DEHYDRATED CASTOR OIL FATTY ACID BEING BETWEEN 2:1 AND 1:2, THE RATIO OF (A) POLYAMINE TO (B) COPOLYMER BEING NOT GREATER THAN MOL OF POLYAMINE PER MOL OF CARBOXY GROUP, AND THE LOWER LIMIT OF POLYAMINE TO ACID BEING THAT QUANTITY CONTAINING ONE EQUIVALENT OF PRIMARY AMINO GROUP PER ONE CARBOXY GROUP IN THE ACID COMPONENT.