Water-swellable fiber

Details Water-swellable fiber Water-swellable fiber

1988-09-20

1989-10-10

Kendell, Lorraine T.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

428364, 428374, 428375, 428394, 428395, 428400, 81155, 81156, D02G 300

Patent

active

048731439

ABSTRACT:
This invention provides a water-swellable fiber which is produced from a fiber having a particular cross-sectional structure and containing and linking carboxyl groups thereto at a prescribed degree of neutralization by causing a particular quantity of a specific alkali to adhere to said fiber. The fiber of the invention has no problems in respect to agglutination among the filaments upon storage, no problems upon processing, such as wet system paper-making, and no problems in neutralization thereof. This fiber exhibits sufficient water-swelling properties in use.

REFERENCES:
patent: 3460897 (1969-08-01), Lowes
patent: 4366206 (1982-12-01), Tanaka
patent: 4562114 (1985-12-01), Sawanishi et al.
patent: 4600407 (1986-07-01), Huber

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