A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
252/31
A61L 15/60 (2006.01) A61L 15/24 (2006.01) A61L 15/42 (2006.01)
Patent
CA 2205039
Porous, absorbent macrostructures that comprise flexible interparticle bonded aggregates and are useful in absorbent articles such as diapers, adult incontinence pads, and sanitary napkins are disclosed. These porous macrostructures are treated with an effective amount of a latex to coat at least a portion of the particles comprising the bonded aggregate so as to impart increased flexibility to the macrostructure. This latex is capable of being sintered at a temperature of about 25 ~C or lower, is at least somewhat hydrophilic when sintered, and has a Tg of about 25 ~C or lower when sintered.
Macrostructures poreuses absorbantes qui comprennent des agrégats collés souples constitués de particules interconnectées et sont utiles dans des articles absorbants tels que des couches, des couches d'incontinence pour adultes et des serviettes hygiéniques. Lesdites macrostructures poreuses sont traitées à l'aide d'une quantité efficace de latex pour couvrir au moins une partie des particules constituant les agrégats collés afin de conférer à ladite macrostructure une souplesse accrue. Ce latex peut être aggloméré à une température d'environ 25 ~C ou moins, il est au moins un peu hydrophile lorsqu'il est fritté et il possède une température de transition vitreuse (Tg) d'environ 25 ~C ou moins lorsqu'il est fritté.
Hsueh Kesyin
Rezai Ebrahim
Shimizu Motohiro
Sim & Mcburney
The Procter & Gamble Company
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