Hydrophobic polyurethane foam

Details Hydrophobic polyurethane foam Hydrophobic polyurethane foam

C - Chemistry, Metallurgy

08

G

C08G 18/48 (2006.01) C08G 18/40 (2006.01) C08J 9/04 (2006.01) C08L 75/08 (2006.01)

Patent

CA 2438320

The invention is a hydrophobic polyurethane foam prepared from a conventional PO/EO polyether polyol, a graft polyol and a hydrophobicity inducing surfactant. The foam is sufficiently hydrophobic to pass a stringent water impermeability test.

L'invention concerne une mousse polyuréthanne hydrophobe préparée à partir d'un polyol de polyéther PO/EO classique, d'un polyol greffé et d'un tensio-actif induisant l'hydrophobicité. Cette mousse est suffisamment hydrophobe pour qu'on obtienne des résultats positifs après un test rigoureux d'imperméabilité à l'eau.

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