RPO is using as the solvent extraction agent in the experiments .furfural extract well known asfurancarboxaldehyde, fural, furfuraldehyde, pyromucic aldehyde , chemically, furfural extract participates in the same kinds of reactions as other aldehydes and other aromatic compounds. The aromatic stability of rubber process oil is not as great as in benzene, andRPO participates in hydrogenation and other addition reactions more readily than many other aromatics.
