Use of modified open-cell foam materials in vacuum cleaners

Details Use of modified open-cell foam materials in vacuum cleaners Use of modified open-cell foam materials in vacuum cleaners

C - Chemistry, Metallurgy

08

J

C08J 9/42 (2006.01) A47L 9/12 (2006.01)

Patent

CA 2656785

The invention relates to the use of molded bodies as dust-binding means in vacuum cleaners. The molded bodies according to the invention have length/width/height dimensions ranging from 1 mm to 5 cm and are produced by treating (a) an open-cell foam material having a density ranging from 5 to 500 kg/m3 and a mean pore diameter ranging from 1 µm to 1 mm (b) with an aqueous formulation of at least one cationic polymer, (c) and a shaping step.

L'invention concerne l'utilisation de corps moulés dont les dimensions, longueur, largeur, hauteur, sont comprises, dans chaque cas, entre 1 mmm et 5 cm, obtenus par (a) traitement de la mousse à alvéoles ouvertes dont la masse volumique est comprise entre 5 et 500 kg/m3 et le diamètre moyen des pores est compris entre 1 µm et 1 mm; (b) mise en contact avec une formulation aqueuse d'au moins un polymère cationique; (c) et pour finir, par une étape de façonnage pour en faire un agent antipoussière à placer dans des aspirateurs.

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