Plasticizer for resinous materials and compositions made therewith

Claim 1

A PLASTICIZED RESINOUS COMPOSITION COMPRISING A BRITTLE THERMOPLASTIC RESIN HAVING ADMIXED THEREWITH A PLASTICIZER COMPRISING A MAJOR PORPORTION OF THE HEAT REACTION PRODUCT OF A RESIN ACID FRACTION DERIVED FROM TALL OIL AND CONTAINING RESIN ACIDS AND A SMALLER PROPORTION OF FATTY ACIDS IN ADMIXTURE THEREWITH AND A HYDRATED OXIDE OF A METAL FORMING INSOLUBLE SOAPS WITH SAID RESIN ACIDS AND A MINOR PROPORTION OF A PARAFFINIC HYDROCARBON OIL COMPRISING THE RAFFINATE OBTAINED BY THE SELECTIVE SOLVENT EXTRACTION OF A PETROLEUM OIL, SAID PLASTICIZER BEING CHARACTERIZED BY A SOFTENING POINT OF 125-170* F., AN ACID NUMBER NOT ABOVE ABOUT 20, A COLOR HELEGE 0.1% CONCENTRATION IN XYLON NOT MORE THAN ABOUT 4, AND AN ANILINE POINT BETWEEN ABOUT 70* C. AND 90* C.