C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
403/13
C08G 18/54 (2006.01) C08G 18/09 (2006.01) C08G 18/38 (2006.01) C08G 18/40 (2006.01) C08G 18/65 (2006.01) C08G 18/79 (2006.01)
Patent
CA 1230448
POLYISOCYANURATE FOAMS PREPARED FROM PARTIALLY ETHERIFIED METHYLOLAMINES Abstract of the Disclosure Polyisocyanurate foams are prepared from reacting partially etherified methylolmelamines either alone or in mixture with polyoxyalkylene polyether polyols with polyiso- cyanates. Improved friability and flame retardancy are obtained.
453793
Narayan Thirumurti
Patton John T. Jr.
Reichel Curtis J.
Basf Corporation
Robic Robic & Associes/associates
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