PRODUCTION OF 4,4'-DIHYDROXYDIPHENYL ETHERS

• Main Author: UOHAMA MISAO
• Format: Patent
• Language: English
• Published: 09.01.1992
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; APPARATUS THEREFOR; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; GENERAL METHODS OF ORGANIC CHEMISTRY; METALLURGY; ORGANIC CHEMISTRY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; THEIR RELEVANT APPARATUS; TRANSPORTING

PURPOSE:To easily obtain the subject compound useful as a raw material for heat-resistant polymer in high selectivity with simplified post-treatment of the reaction product by carrying out dehydrative dimerization of a hydroquinone compound in a solvent in the presence of a heteropolyacid as a catal...