Porous bodies and method of production thereof

Details Porous bodies and method of production thereof Porous bodies and method of production thereof

C - Chemistry, Metallurgy

08

J

C08J 9/16 (2006.01) C08J 9/28 (2006.01)

Patent

CA 2553645

Water dispersible or water soluble porous bodies comprising a three dimensional open-cell lattice containing (a) 10 to 95% by weight of a water soluble polymeric material and (b) 5 to 90% by weight of a surfactant, said porous bodies having an intrusion volume as measured by mercury porosimetry of at least about 3 ml/g with the proviso that said porous bodies are not spherical beads having an average bead diameter of 0.2 to 5mm.

L'invention concerne des corps poreux dispersibles dans l'eau ou solubles dans l'eau et comprenant un réseau à alvéoles ouverts tridimensionnel renfermant : (a) entre 10 et 95 % en poids de matériau polymère hydrosoluble et (b) entre 5 et 90 % en poids d'un tensioactif, les corps poreux possédant un volume d'intrusion, tel que mesuré par porosimétrie au mercure, d'au moins environ 3 ml/g, pour autant que les corps poreux ne soient pas des billes sphériques dont le diamètre moyen est compris entre 0,2 et 5mm.

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