Polyurethanes containing dispersed crystalline polyesters

Details Polyurethanes containing dispersed crystalline polyesters Polyurethanes containing dispersed crystalline polyesters

C - Chemistry, Metallurgy

08

G

C08G 18/10 (2006.01) C08G 18/40 (2006.01) C08G 18/42 (2006.01) C08G 18/48 (2006.01)

Patent

CA 2409088

A process is disclosed for producing resilient polyurethane foams by foaming an organic polyisocyanate, an isocyanate-reactive compound and a fusible polymer. The improvement in the hardness of the foams is achieved without adversely affecting the other properties of the foams, such as tensile strength and elongation.

L'invention concerne un procédé de production de mousses de polyuréthane élastiques par moussage d'un polyisocyanate organique, d'un composé réactif à l'isocyanate et d'un polymère fusible. On obtient ainsi une amélioration de la dureté des mousses sans affecter de manière négative les autres propriétés des mousses, telles que la résistance à la traction et l'allongement.

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