C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
400/111, 403/44
C08G 18/76 (2006.01) C08G 18/08 (2006.01) C08G 18/10 (2006.01) C08G 18/48 (2006.01) C08G 18/78 (2006.01)
Patent
CA 2014508
Abstract "POLYISOCYANATE COMPOSITIONS AND THEIR USE IN THE MANUFACTURE OF POLYMERIC FOAMS" The invention relates to polyisocyanate compositions comprising compounds of the general formula Tm(R)n wherein T represents a chain of more than 70 atoms, m represents an integer of at least 1, R represents an isocyanate group containing residue and n is an integer of at least 2, at least one of the residues represented by R containing at least two isocyanate groups separated one from another by a chain of from 5 to 30 atoms and the sum of the residues represented by R constituting less than 50 % of the total molecule on a weight basis. The invention also relates to a method for the preparation of flexible polymeric foams using such polyisocyanate compositions.
de Witte Mireille
Gillis Herbert R.
Muller Louis
Pham Tu
Verhelst Gabriel
Barlow Charles Brian
de Witte Mireille
Gillis Herbert R.
Muller Louis
Pham Tu
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