Energy-absorbing, water-blown, rigid polyurethane foams

C - Chemistry – Metallurgy – 08 – G

Patent

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Details

C08G 18/06 (2006.01) C08G 18/40 (2006.01) C08G 18/65 (2006.01) C08L 75/04 (2006.01)

Patent

CA 2090931

The invention relates to energy absorbing, water blown, rigid polyurethane foams. The foams of the present invention are low density, predominantly open-celled foams which exhibit a relatively constant consistency of compressive strength over deflection. Such foams are suitable as light weight alternatives in traditional energy absorbing applications.

'invention concerne des mousses de polyuréthane rigides absorbant l'énergie, expansées à l'eau. Les mousses produites à partir de la présente invention sont de faible densité, sont constituées principalement d'alvéoles ouvertes qui présentent une uniformité relativement importante du point de vue de la résistance à la compression en flexion. Ces mousses légères conviennent comme solution de rechange dans les applications traditionnelles en absorption énergétique.

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