Method for Producing Terpene-Phenolic and Terpene-Phenol-Styrene Resins for Use as Additives in Rubber Compounds for the Tire Industry

In this work, terpene-phenolic and terpene-phenol-styrene resins were synthesized using purified crude sulfate turpentine. Their physicochemical characteristics were determined and compared with industrial phenolic resins used in rubber compounds. The softening temperatures and acid numbers of the synthesized resins were comparable to those of commercial analogues, ensuring their compatibility with vulcanization systems. The obtained data confirm the promise of using sulfate turpentine as a renewable raw material for producing resins for the tire industry.