METHOD FOR PRODUCING ELECTRONIC GRADE 2,2'-AMINOETHOXYETHANOL

• Main Authors: SCHMIDTKE, HELMUT, RUDLOFF, MARTIN
• Format: Patent
• Language: English; French; German
• Published: 15.07.2009
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMISTRY; METALLURGY; ORGANIC CHEMISTRY

A process for preparing electronics-grade 2,2′-aminoethyoxyethanol by reacting diethylene glycol with ammonia in the presence of a catalyst in a reactor to give a reaction mixture from which a crude 2,2′-aminoethoxyethanol stream is separated off and is purified further by distillation in a pure col...