Preparation of water-absorbent articles

Details Preparation of water-absorbent articles Preparation of water-absorbent articles

1974-08-02

1976-05-25

Lusignan, Michael R.

Stock material or miscellaneous articles

Composite

Of polyamide

427195, 427324, 427335, 427377, 428507, B44D 144, B44D 122

Patent

active

039595692

ABSTRACT:
Water-absorbent articles are prepared by contacting a fibrous material with a dry granular or powdered water-swellable gel and steaming the mixture. Adherence of the gel is improved by pretreatment of the fibrous base with a cationic polymer such as polyethylenimine. Fabrics or fluffs coated with particulate gels such as crosslinked partially hydrolyzed polyacrylamide are useful in various applications where it is desirable to hold or absorb an aqueous fluid in a particular location.

REFERENCES:
patent: 3297476 (1967-01-01), Kane
patent: 3476581 (1969-11-01), Weitzel et al.
patent: 3669792 (1972-06-01), Mitsukawa et al.
patent: 3676171 (1972-07-01), Spiller et al.
patent: 3676172 (1972-07-01), Van Dyk et al.
patent: 3758641 (1973-09-01), Zweigle

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