Method of preparing colored fibrous sheet materials

Details Method of preparing colored fibrous sheet materials Method of preparing colored fibrous sheet materials

1973-07-20

1976-06-15

White, Robert F.

Plastic and nonmetallic article shaping or treating: processes

With incorporating dye susceptible material or dyeing workpiece

264121, 264115, 264128, 264246, D06P 700

Patent

active

039638197

ABSTRACT:
In a method of preparing colored fibrous sheet materials wherein a fiber-pulp is treated in a defibrator to form a stream of gas containing suspended fibers which are caused to form a fibrous layer on a forming surface, a dye or dye solution is added to the fiber-pulp which is introduced into said defibrator.

REFERENCES:
patent: 2711381 (1955-06-01), Novotny et al.
patent: 2865783 (1958-12-01), Henderson et al.
patent: 3050427 (1962-08-01), Slayter et al.
patent: 3494263 (1970-02-01), Tachibana et al.

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