Water-disintegratable fibrous sheet containing fibers having dif

Details Water-disintegratable fibrous sheet containing fibers having dif Water-disintegratable fibrous sheet containing fibers having dif

1998-09-04

2000-10-17

Chin, Peter

Paper making and fiber liberation

Processes and products

Plural fiber containing

162146, 162149, 162158, 162177, 1621811, 1621812, 162183, D21H 1100

Patent

active

061325570

ABSTRACT:
A water-disintegratable fibrous sheet comprising a web of fibers comprising pulp of hardwood and pulp of conifer, pulp of conifer having a fiber length longer than that of the pulp of hardwood, and a water-insoluble or water-swellable binder being contained in the web to bind the fibers, is disclosed. The fibrous sheet is excellent in water-disintegratability and has sufficient strength for withstanding practical use. Furthermore, since excellent water-disintegratability and strength can be obtained without using a water-soluble binder, a production process of the fibrous sheet can be made simple.

REFERENCES:
patent: 4610761 (1986-09-01), Eklund et al.
patent: 5281306 (1994-01-01), Kakiuchi et al.
patent: 5487813 (1996-01-01), Vinson et al.
patent: 5526607 (1996-06-01), Roesch et al.
patent: 5849153 (1998-12-01), Ishino et al.
James E. Kline, "Paper and Paperboard"1981, pp. 31-128.

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