Polyisocyanurate foams prepared from partially etherified...

C - Chemistry – Metallurgy – 08 – G

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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

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