High strength non-woven fibrous material

Details High strength non-woven fibrous material High strength non-woven fibrous material

1977-08-17

1979-12-11

Bashore, S. Leon

Paper making and fiber liberation

Processes and products

Non-fiber additive

162168N, D21H 338

Patent

active

041782054

ABSTRACT:
A high strength, non-woven fibrous material is prepared by (a) mixing an aqueous slurry of a negatively charged, water-insoluble natural or synthetic fiber or blend of fibers with an amount up to the fiber charge reversal point of a structured particle latex having pH independent cationic charges bound at or near the particle surface to form an aqueous suspension, (b) draining water from the aqueous suspension to form a wet web (c) wet pressing the web and (d) drying the web by heating.

REFERENCES:
patent: 2563897 (1951-08-01), Wilson et al.
patent: 2654671 (1953-10-01), Azorlosa
patent: 3016325 (1962-01-01), Pattilloch
patent: 3329560 (1967-07-01), Schickh et al.
patent: 3694393 (1972-09-01), Lewis et al.
patent: 3926890 (1975-12-01), Huang et al.
patent: 3937648 (1976-02-01), Huebner et al.
patent: 4017440 (1977-04-01), Killam et al.
patent: 4056501 (1977-11-01), Gibbs et al.
Alincie et al., J.A.P.S., 20, 2209-2219 (1976).

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