Foam material its manufacturing method and use and an absorbent

Details Foam material its manufacturing method and use and an absorbent Foam material its manufacturing method and use and an absorbent

1998-05-12

2000-03-21

Weiss, John G.

Surgery

Means and methods for collecting body fluids or waste material

Absorbent pad for external or internal application and...

521 62, 521 63, 521 64, 4283044, A61F 1315, C08J 926, C08J 928

Patent

active

060404949

ABSTRACT:
The invention pertains to a foam material for absorption of aqueous liquids, a manufacturing method and an advantageous use of such a foam material, and an absorbent disposable article comprising such a foam material. The foam material is hydrophilic and primarily intended for use in absorbent disposable articles such as baby diapers, incontinence protectors and products for feminine hygiene. However, the foam material according to the invention is also suited for use in other absorbent articles, such as in different wiping materials, bandage materials and other similar products. The chemical structure of a surfactant, which is utilized as a combined emulsifying and hydrophilizing agent when manufacturing the foam material according to the invention, makes it possible to retain a sufficient proportion of the foam surfactant in the foam material even after repeated wettings, something which renders the foam material highly, permanently hydrophilic.

REFERENCES:
patent: 5331015 (1994-07-01), DesMarais et al.
patent: 5387207 (1995-02-01), Dyer et al.
patent: 5500451 (1996-03-01), Goldman et al.

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