Process for preparing flexible foams

Details Process for preparing flexible foams Process for preparing flexible foams

C - Chemistry, Metallurgy

08

G

C08G 18/10 (2006.01) C08G 18/48 (2006.01) C08G 18/76 (2006.01)

Patent

CA 2190584

Process for preparing a flexible foam by reacting an isocyanate-terminated prepolymer having an NCO value of 5-18 % by weight, a polyisocyanate having an NCO value of at least 25 % by weight, 20-95 parts by weight, per 100 parts by weight of polyisocyanate, of an isocyanate-reactive compound of molecular weight of 1000-12000, and water.

Procédé de préparation de mousse souple consistant à faire réagir un prépolymère à terminaison isocyanate, possédant une valeur isocyanate (NCO) comprise entre 5 et 18 % en poids, un polyisocyanate possédant une valeur isocyanate (NCO) d'au moins 25 % en poids, 20 à 95 parties en poids, pour 100 parties en poids de polyisocyanate, d'un composé réagissant aux isocyanates et dont le poids moléculaire est compris entre 1000 et 12000, et de l'eau.

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