C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 31/18 (2006.01) C07C 27/02 (2006.01) C08J 11/22 (2006.01)
Patent
CA 2152304
The present invention relates to a process for the production of hydroxyl- group-containing compounds suitable for the polyisocyanate polyaddition process from polyurea and/or polyurethane polyurea wastes by treating polyurea and/or polyurethane polyurea wastes with diols and/or polyols at temperatures from 160 to 260°C, the water present in the reaction vessel preferably being removed by distillation during the heating-up phase, characterised in that 1,3-dicarbonyl compounds are added to the reaction mixture before or during the reaction.
Meckel Walter
Munzmay Thomas
Rasshofer Werner
Aktiengesellschaft Bayer
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
LandOfFree
Process for the production of hydroxyl-group-containing... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process for the production of hydroxyl-group-containing..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the production of hydroxyl-group-containing... will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1771323