Porous material, method for making same and applications

A - Human Necessities – 47 – L

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Details

A47L 13/16 (2006.01) A47K 7/02 (2006.01) C08J 9/00 (2006.01) C08L 1/08 (2006.01) D04H 1/68 (2006.01)

Patent

CA 2302815

The invention concerns a porous material, a method for making same and its applications. Said porous material comprises a mixture of cellulose fibres and at least an elastomer and is characterised in that it has a honeycomb structure having cells with a size ranging between 0.1 and 10 mm, a density of the order of 0.03 to 0.1, water absorbing capacity not less than 750 %, and water holding capacity after manual wringing less than 100 %. The invention is applicable for making in particular sponges and household goods comprising a spongy element such as brushes and squeegees for cleaning surfaces.

La présente invention se rapporte à une matière spongieuse, à son procédé de fabrication ainsi ses applications. Cette matière spongieuse comprend un mélange de fibres de cellulose et d'au moins un élastomère et est caractérisée en ce qu'elle présente un structure alvéolaire formée d'alvéoles de taille comprise entre 0,1 et 10 mm, une densité de l'ordre de 0,03 à 0,1, une capacité d'absorption d'eau au moins égale à 750 %, et une capacité de rétention d'eau après un essorage manuel inférieure à 100 %. Applications: fabrication notamment d'éponges et d'articles de ménages comprenant un élément spongieux tels que balais et raclettes pour le nettoyage des surfaces.

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