Patent ID: 11905235
Assignee: CHINA PETROCHEMICAL DEVELOPMENT CORPORATION, TAIPEI (TAIWAN)
Field: Organic fine chemistry (Chemistry)
Classification: CPC C  Y | IPC C

Claim 0:
1. A method for preparing 2,2-bis(4-hydroxycyclohexyl)propane, comprising:
performing a hydrogenation reaction of a reaction solution of 2,2-bis(4-hydroxyphenyl)propane with hydrogen gas in a reactor containing a catalyst at 80-165° C. under a pressure condition of 85-110 kg/cm2 to obtain 2,2-bis(4-hydroxycyclohexyl)propane,
wherein the reaction solution contains water of not more than 0.5 wt %,
wherein the catalyst includes an active metal and a carrier bearing the active metal, and wherein the active metal is at least one selected from the group consisting of Fe, Co, Ni, Ru, Rh, Pd, Os, Ir and Pt,
wherein the catalyst is in the form of powders or particles, and
wherein the catalyst has a specific surface area of 150-300 m2/g.