Polymer modified cellulose fibers and method of producing

Details Polymer modified cellulose fibers and method of producing Polymer modified cellulose fibers and method of producing

1978-02-02

1979-04-24

Welsh, Maurice J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C08L 108

Patent

active

041511301

ABSTRACT:
This invention relates to improved methods for treatment of polymer modified cellulose fibers to greatly enhance their ability to absorb and retain aqueous fluids, thereby increasing their usefulness in disposable diapers, catamenial and surgical pads and other absorptive, single use pads where utility depends primarily on rapid, high volume fluid absorption and retention. More particularly, this invention relates to the treatment of absorptive fibrous products comprising crumb-hydrolyzed polyacrylate-modified natural cellulose fibers by procedures which permanently swell and condition the fibers so that they are capable of absorbing and retaining much greater volumes of aqueous fluids than the same materials prior to the treatment by the processes of this invention.

REFERENCES:
patent: 3194727 (1965-07-01), Adams et al.
patent: 3256372 (1966-06-01), Adams et al.
patent: 3366582 (1968-01-01), Adams et al.
patent: 3682856 (1972-08-01), Adams et al.
patent: 3721627 (1973-03-01), Adams et al.
patent: 3793299 (1974-02-01), Zimmerer
patent: 3838077 (1974-09-01), Hoftiezer et al.
patent: 4025472 (1977-05-01), Lepoutre
Lepoutre et al., Pulp & Paper Reports PPR145, Pulp & Paper Research Institute of Canada, pp. 1-21, Mar., 1976.
Adams et al., Applied Polymer Symposium, No. 28, pp. 831-843, 1976.

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