Method of preparing a flexible open-cell polyurethane foam

Details Method of preparing a flexible open-cell polyurethane foam Method of preparing a flexible open-cell polyurethane foam

C - Chemistry, Metallurgy

08

G

C08G 18/48 (2006.01) C08G 18/06 (2006.01) C08G 18/63 (2006.01) C08G 18/76 (2006.01)

Patent

CA 2170535

A flexible open-cell polyurethane is described that is the reaction product of a mixture comprising (a) a polyisocyanate component comprising monomeric or polymeric MDI, and (b) a polyol component having at least 50% of its OH functional groups as secondary OH groups.

L'invention se rapporte à une mousse polyuréthane souple, à alvéoles ouvertes qui est le produit de réaction d'un mélange comprenant (a) un composant de polyisocyanate renfermant un MDI monomère ou polymère, et (b) un composant de polyol dont au moins 50 % des groupes fonctionnels OH sont des groupes secondaires OH.

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