Energy absorbing material

C - Chemistry – Metallurgy – 08 – L

Patent

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Details

C08L 75/04 (2006.01) A41D 13/00 (2006.01) A41D 31/00 (2006.01) B60R 21/04 (2006.01) C08J 9/00 (2006.01) C08J 9/42 (2006.01) F16F 7/00 (2006.01) F16F 9/30 (2006.01) F16F 13/04 (2006.01)

Patent

CA 2471280

There is provided a self-supporting energy absorbing composite comprising: i) a solid foamed synthetic polymer matrix; ii) a polymer-based dilatant, different from i) distributed through the matrix and incorporated therein during manufacture of i); and iii) a fluid distributed through the matrix, the combination of matrix, dilatant and fluid being such that the composite is resiliently compressible. There is also provided a self-supporting energy absorbing composite comprising: iv) a solid, closed cell foam matrix; v) a polymer-based dilatant, different from i), distributed through the matrix; and vi) a fluid distributed through the matrix, the combination of matrix, dilatant and fluid being such that the composite is resiliently compressible.

La présente invention concerne un composite autoportant à absorption d'énergie. Il est constitué i) d'une matrice solide en mousse de polymère de synthèse, ii) d'un dilatant à base de polymère se distinguant du i) et bien réparti dans toute la matrice à laquelle il est incorporé à la fabrication de i), et iii) d'un fluide réparti dans toute la matrice, la combinaison de la matrice, du dilatant et du fluide étant telle que le composite est compressible par résilience. L'invention concerne également un composite autoportant à absorption d'énergie. Il est constitué iv) d'une matrice solide en mousse de cellules closes, v) d'un dilatant à base de polymère se distinguant du i) et bien réparti dans toute la matrice, et iv) d'un fluide réparti dans toute la matrice, la combinaison de la matrice, du dilatant et du fluide étant telle que le composite est compressible par résilience.

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