Processo para produção de polióis iniciados com amina, poliéter poliol, e processo para produção de espuma rígida

• Main Authors: HERMAN P. DOERGE, KARL W. HAIDER, KERRY A. INGOLD, KEITH J. HEADLEY, NATHAN L. ANDERSON
• Format: Patent
• Language: Portuguese
• Published: 10.12.2013
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP

Clear, amine-initiated polyether polyols are made by epoxidizing an amine in the presence of an alkali metal hydroxide catalyst. By reducing the amount of catalyst used during the polyol synthesis and by adding the catalyst after between 5 and 30% of the total amount of at least one alkylene oxide h...