C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
400/111, 403/44
C08G 18/76 (2006.01) C08G 18/10 (2006.01) C08G 18/48 (2006.01)
Patent
CA 2014507
The invention relates to a liquid isocyanate-containing prepolymer composition having an average isocyanate functionality greater than 2 and an NCO content of from 2 to 15 % by weight, as obtainable by reacting an isocyanate reactive polymer having an average nominal functionality of from 2 to 6 with a stoichiometric excess of a diphenylmethane diisocyanate composition containing at least 2 % by weight of 2,4'-diphenylmethane diisocyanate and having an average isocyanate functionality in the range from 2 to 2.3. The invention also relates to a method for preparing a polyurethane foam, which comprises reacting such a prepolymer composition with water.
de Witte Mireille
Muller Louis
Parfondry Alain
Pham Tu
Verhelst Gabriel
de Witte Mireille
Gowan Intellectual Property
Huntsman Ici Chemicals Llc
Muller Louis
Parfondry Alain
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