Method for fiber loading a chemical compound

Details Method for fiber loading a chemical compound Method for fiber loading a chemical compound

1993-10-21

1997-02-25

Chin, Peter

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

With chemical or physical modification of liberated fiber

1621812, 162182, 162183, D21H 1116

Patent

active

RE0354600

ABSTRACT:
The present invention relates to a method for loading a chemical compound within the fibers of a fibrous material and to the fibrous materials produced by the method. In the method, a fibrous cellulose material is provided which consists of a plurality of elongated fibers having a fiber wall surrounding a hollow interior. The fibrous material has a moisture content such that the level of water ranges from 40-95% of the weight of the fibrous material and the water is positioned substantially within the hollow interior of the fibers and within the fiber walls of the fibers. A chemical is added to the fibrous material in a manner such that the chemical is disposed in the water present in the fibrous material. The fibrous material is then contacted with a gas which is reactive with the chemical to form a water insoluble chemical compound. The method provides a fibrous material having a chemical compound loaded within the hollow interiors and within the fiber walls of the plurality of fibers.

REFERENCES:
patent: 5096539 (1992-03-01), Allan
patent: 5122230 (1992-06-01), Nakajima

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