1, 4-cyclohexane dimethanol CHDM production technology
1, 4-dihydroxymethyl cyclohexane, chemical formula : C8H16O2, molar mass :144.21, white waxy solid, low melting point,melting point: 41-61℃, boiling point: 284-288℃, density: 1.02 g/cm3, Cyclohexane dimethyl alcohol is a high performance material, it is mainly used in the production of polyester fibers, PETG, PCTG, PET products and their downstream products, such as medical, cosmetics, films, such as credit card.

For the manufacture of polyester fibers, polyester appliances, unsaturated polyester resins, polyester glazes, polyurethane foams, as well as for the production of lubricants and hydraulic fluids.

Production process of 1, 4-cyclohexanedimethanol

Technical Principle

Direct catalytic hydrogenation to terephthalic acid

Technological Process

Process flow chart of 1, 4-cyclohexanedimethanol

Technological Characteristics

1.Low reaction pressure and low equipment investment
2.Simple reaction process and low operation cost
3.No need of methanol
4.No fatting steps are required
5.Products can be co-produced with cyclohexanedicarboxylic acid

Main raw material consumption

Product Quality
PCHDM product purity is 99.5%, product cis: trans =30:70

Product Catalog