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US 2009/0266478 A1Published application
Process For Making An Absorbent Core With Strain Resistant Core Cover
AssigneeThe Procter & Gamble Company
InventorsJochen Schafer, Mattias Schmidt, Nicole Graf
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Abstract
The present disclosure relates to a process for making an absorbent core comprising a nonwoven core cover that offers improved performance on holding back fine particulate material after having been exposed to external strain.
Claims10
A process for making an absorbent core comprising at least a first nonwoven core cover and a superabsorbent polymer material, the process comprising steps of
- providing the first nonwoven core cover having an initial air permeability of less than 60 m3/(m2·min);
- depositing the first nonwoven core cover on a support that includes open areas;
- depositing a superabsorbent polymer material onto the nonwoven core cover;
- straining the first nonwoven core cover by a first prescribed strain of 10%;
- and
- increasing the initial air permeability of the first nonwoven core cover by less than 18%.
3 more elements
Dependencies are inferred from the claim text.