terpene-phenolic resin production process using terpene oligomers for incorporation into the polymeric chain

摘要

The process of obtaining terpene-phenolic resin using terpene oligomers for incorporation into the polymeric chain consists of adding terpene or terpene-phenol monomers to terpene-retained phenol-containing oligomers to ensure terpene-phenol resins. a good mixture, the catalyst being added slowly. Alternatively, the reactor is charged with the catalyst, oligomers and phenol with the terpene monomers being slowly added. After waiting for the necessary reaction time, the products are neutralized with alkaline solution and then washed with water and the phases separated. The organic phase is subjected to filtration and distillation under reduced pressure, making the oligomeric tissue of the polymerization process. Alternatively, the reaction product is distilled under reduced pressure directly, separating the catalyst, unreacted monomers and oligomers which will be recycled at the next batch. The final product resulting from distillation consists of the terpene-phenolic resin containing the oligomers incorporated in the polymeric chains, and the reuse of this raw material used in the production stage.