Organic compounds -- part of the class 532-570 series – Organic compounds – Isocyanate esters
Patent
1993-03-19
1994-09-20
Dees, Jose G.
Organic compounds -- part of the class 532-570 series
Organic compounds
Isocyanate esters
560351, C07C26320
Patent
active
053490827
ABSTRACT:
Disclosed herein is a process for recovering toluene diisocyanate (TDI) from a TDI residue solution, comprising mixing the residue solution with a polyisocyanate consisting essentially of methylenediphenyl diisocyanate (MDI) or MDI in combination with its higher ring oligomer, followed by heating the resulting mixture over a temperature range of 130.degree. to 250.degree. C. for a period of time sufficient to remove free TDI and thermally splittable TDI generated from equilibration of the TDI residue with MDI or the MDI oligomer by either a batch or continuous process.
REFERENCES:
patent: 3128310 (1964-04-01), Koch
patent: 3331876 (1967-07-01), Van Horn et al.
patent: 3455836 (1969-07-01), Shultz et al.
patent: 4168270 (1979-09-01), Himmele et al.
patent: 4289589 (1981-09-01), Koehler et al.
patent: 4311800 (1982-01-01), Reischl
patent: 4910333 (1990-03-01), Slack
patent: 5198522 (1993-03-01), Steppan et al.
Arndt Larry W.
Dunlap Kenneth L.
Renbaum Louis
Slack William E.
Akorli Godfried R.
Barts Samuel
Dees Jos,e G.
Gil Joseph C.
Miles Inc.
LandOfFree
Toluene diisocyanate residue does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Toluene diisocyanate residue, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Toluene diisocyanate residue will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2430010