Process for producing colored nonwoven fibrous webs

Details Process for producing colored nonwoven fibrous webs Process for producing colored nonwoven fibrous webs

1978-10-13

1980-05-13

Lowe, James B.

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

With liberating or forming of particles

162162, 162183, 264 78, 264121, 264122, 264128, 264131, D06P 700, D06M 1116, B32B 2314

Patent

active

042028523

ABSTRACT:
A process for coloring nonwoven webs of fibrous material, particularly air-layed webs, in which solid, water insoluble particulate pigments are introduced and intermixed with the fibers of the web to provide the coloring thereof. An initial formed web of fibrous material has a suspension of insoluble pigment in a liquid applied thereto, is fiberized, and is reformed into a web and bonded with a binding liquid. Alternatively, the pigment may be mixed with the separated fibers after the fibrous material is fiberized and before reforming.

REFERENCES:
patent: 3025203 (1962-03-01), Leupold et al.
patent: 3088859 (1963-05-01), Smith
patent: 3914498 (1975-10-01), Videen
patent: 3963819 (1976-06-01), Kroyer et al.
patent: 3966912 (1976-06-01), Fair et al.
patent: 3976734 (1976-08-01), Dunning et al.

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