Procedure for the preparation of colored bodies based on viscose. (Machine-translation by Google Translate, not legally binding)

摘要

Process for the preparation of colored bodies, particularly viscose-based fibers and sheets, characterized in that organic dyes or dye-forming agents which are soluble in alkaline medium are added to the spinning solution, optionally with the addition of reducing agents and containing at least one group able to react that can enter in chemical combination with the oxy groups of the cellulose molecules, because the spinning solution thus treated is molded and because the obtained bodies are treated, if necessary with compounds that give dyes with the formers of colorant. (Machine-translation by Google Translate, not legally binding)