Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1974-12-30
1976-09-21
Cockeram, H. S.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
260 25BF, 260 25AW, C08G 1814, C08G 1820
Patent
active
039818292
ABSTRACT:
Rigid cellular foam compositions characterized by carbodiimide and isocyanurate linkages are prepared by catalytically condensing an organic polyisocyanate in the presence of a catalytically sufficient amount of a catalyst system comprising (a) an alkanolaminotriazine, (b) a hexahydrotriazine, and (c) phenol or a substituted phenol.
REFERENCES:
patent: 3573301 (1971-03-01), Winter
patent: 3620986 (1971-11-01), Djehr et al.
patent: 3644168 (1972-02-01), Bonk et al.
patent: 3645923 (1972-02-01), Kan
patent: 3725319 (1973-04-01), Frisch
patent: 3748289 (1973-07-01), Cenker et al.
patent: 3803064 (1974-04-01), Fishbein et al.
patent: 3806475 (1974-04-01), Narayan et al.
Cenker Moses
Kan Peter T.
Narayan Thirumurti L.
BASF Wyandotte Corporation
Cockeram H. S.
Dunn Robert E.
Michaels Joseph D.
Swick Bernhard R.
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