A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 13/537 (2006.01)
Patent
CA 2534608
The present invention relates to absorbent articles, such as diapers and sanitary napkins, and acquisition members useful for such articles. More specifically, the invention relates to an acquisition member comprising a multitude of fibers and a latex binder, the liquid acquisition member having a void volume of at least 7 cubic centimeter per gram in the temperature range from 20 °C to 40 °C, the binder comprising a dispersion of a polymer substance in an essentially aqueous medium, the polymer substance being capable of forming a film, said film having a tan .delta. value, as defined herein, at 20 °C and at 40 °C, wherein the tan .delta. value at 40 °C is not greater than said tan 6 value at 20 °C.
L'invention concerne des articles absorbants, notamment des couches et des serviettes hygiéniques, et des éléments d'acquisition utiles pour de tels articles. En particulier, l'invention concerne un élément d'acquisition comprenant une multitude de fibres et un liant latex, cet élément d'acquisition de liquide présentant un volume vide d'au moins 7 cm<3> par gramme dans la plage de température comprise entre 20 DEG C et 40 DEG C. Le liant comprend une dispersion d'une substance polymère dans un milieu essentiellement aqueux. La substance polymère permet de former un film. Le film présente un indice d'acide delta défini dans la description, à 20 DEG C et à 40 DEG C, cet indice d'acide delta à 40 DEG C étant inférieur à l'indice d'acide delta à 20 DEG C.
Fuchs Christofer
Schneider Manuela
Van Gansewinkel Olaf
Dimock Stratton Llp
The Procter & Gamble Company
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