Highly elastic flexible polyurethane foams

Details Highly elastic flexible polyurethane foams Highly elastic flexible polyurethane foams

C - Chemistry, Metallurgy

08

G

C08G 18/48 (2006.01) C08G 18/63 (2006.01) C08G 18/76 (2006.01) C08G 83/00 (2006.01)

Patent

CA 2749237

The invention relates to a flexible polyurethane foam that can be obtained by mixing a) polyisocyanates with b) at least one high-molecular-weight compound having at least two reactive hydrogen atoms, c) hyperbranched polyethers, d) possibly low-molecular-weight chain extenders and/or cross-linking agents, e) catalysts, f) blowing agents, and g) possibly other additives.

L'invention concerne une mousse de polyuréthane souple obtenue par mélange de a) polyisocyanates avec b) au moins un composé de poids moléculaire élevé présentant au moins deux atomes d'hydrogène réactifs, c) des polyéthers hyperramifiés, d) éventuellement un allongeur de chaîne et/ou un agent de réticulation de faible poids moléculaire, e) un catalyseur, f) des agents d'expansion et g) éventuellement d'autres additifs.

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