Hydrophilic articles of water-insoluble polymers

Details Hydrophilic articles of water-insoluble polymers Hydrophilic articles of water-insoluble polymers

1977-09-30

1980-01-29

Kendell, Lorraine T.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428323, 428372, 428393, 428534, 428536, B32B 516, D02G 300

Patent

active

041862384

ABSTRACT:
This invention relates to a hydrophilic shaped article of a water-insoluble polymer selected from the group consisting of regenerated cellulose, cellulose ether, cellulose ester and polyalkylene, and capable of forming fibers and films, said article containing amorphous particles of an originally water-soluble cellulose ether prepared from natural cellulose and rendered by chemical modification at least partly water-insoluble while remaining water-absorbent.

REFERENCES:
patent: 2245499 (1941-06-01), Reichel et al.
patent: 2339562 (1944-01-01), Eustis
patent: 2710816 (1955-06-01), Evans et al.
patent: 2796656 (1957-06-01), Schappel et al.
patent: 2838455 (1958-06-01), Tompkins
patent: 2968581 (1961-01-01), Kress
patent: 3252826 (1966-05-01), Salzinger
patent: 3259537 (1966-07-01), Battista
patent: 3275580 (1966-09-01), Battista
patent: 3525735 (1970-08-01), Miller
patent: 3589364 (1971-06-01), Dean et al.
patent: 3936441 (1976-02-01), Holst et al.
patent: 3965091 (1976-06-01), Holst et al.

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