A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 13/15 (2006.01)
Patent
CA 2380867
A liquid absorbent open-cell polymeric foam material having properties which makes it suitable for use as an absorbent structure in absorbent articles such as diapers, pant diapers, sanitary napkins, incontinence guards, wound dressings, bed protections etc., at which the foam material has an absorption rate at wetting of at least 0.4 ml/s for a round sample having the diameter 50 mm, a liquid distribution capacity at an inclination of 30~ of at least 15 g/g and a liquid storage capacity of at least 9 % measured through CRC (centrifuge retention capacity), at which the test liquid in all cases is synthetic urine. There is further referred to an absorbent structure containing the foam material.
L'invention concerne un matériau en mousse polymère absorbant le liquide adapté par ses propriétés à l'utilisation comme matériau dans une structure absorbante d'articles absorbants (par exemple, couches de bébé, couches pantalon, serviettes hygiéniques, tampons d'incontinence, pansements, protections de lit, etc.). Le taux d'absorption en humectation est d'au moins 0,4 ml/s sur un échantillon rond ayant un diamètre de 50 mm. La capacité de distribution de liquide à une inclinaison de 30· est d'au moins 15g/g et la capacité de stockage de liquide est d'au moins 9 % (mesure par capacité de rétention centrifuge). Dans tous les cas, le liquide utilisé pour les tests est de l'urine synthétique. L'invention concerne enfin une structure absorbante contenant le matériau considéré.
Abbas Shabira
Annergren Jeanette
Malmgren Kent
Ostman Asa
Widberg Bengt
Fetherstonhaugh & Co.
Sca Hygiene Products Ab
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