| abstract |
The present invention relates to a process for preparing 1,4-diphenyl cyclohexanedicarboxylate of a bio-based polycarbonate and more particularly to a process for the preparation of 1,4-dimethylcyclohexanedicarboxylate Cyclohexane dicarboxylic acid is hydrolyzed under acid or base conditions to prepare 1,4-cyclohexane dicarboxylic acid, and then 1,4-cyclohexane dicarboxylic acid is esterified with phenol to obtain 1,4- To a process for preparing diphenyl cyclohexanedicarboxylate. |