Method of making paper from water insoluble alginate fibers and

Details Method of making paper from water insoluble alginate fibers and Method of making paper from water insoluble alginate fibers and

1977-03-08

1978-08-01

Bashore, S. Leon

Paper making and fiber liberation

Processes and products

162111, 162157R, 162158, D21H 512

Patent

active

041041151

ABSTRACT:
A method of manufacturing calcium alginate sheets, without the use of an adhesive binder, by use of a Fourdrinier paper making machine is disclosed. Alginate material in fibrous form is obtained by squirting an aqueous solution of water-soluble alginate via a spinneret into a bath of an inorganic salt, whose cation will react with the alginate to produce a water-insoluble alginate. This fibrous alginate material is then fed into a Fourdrinier machine and formed into a sheet, and the pH value of the fibrous alginate slurry at the screen wire of the machine is at or below 7.0.

REFERENCES:
patent: 1957913 (1934-05-01), Smith
patent: 2371717 (1945-03-01), Speakman
patent: 2423075 (1947-06-01), Hall
patent: 2600504 (1952-06-01), Johnson et al.
patent: 2648635 (1953-08-01), Brown et al.

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