C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
403/12.1
C08G 18/16 (2006.01) C08G 18/02 (2006.01) C08G 18/20 (2006.01)
Patent
CA 1042148
ABSTRACT OF THE DISCLOSURE Rigid cellular foam compositions characterized by carbodiimide and isocyanurate linkages are prepared by catalytical- ly 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.
238277
Cenker Moses
Kan Peter T.
Narayan Thirumurti L.
Basf Wyandotte Corporation
Na
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