Coloring agent for dope-dyeing viscose rayon

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

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Details

524597, 106164, 106165, C08K 700, C08L 124

Patent

active

047678070

ABSTRACT:
A coloring agent for the dope-dyeing viscose rayon, comprising minute spherical cured particles of an amino resin produced from formaldehyde and at least one amino compound selected from the group consisting of benzoguanamine, melamine, and urea and colored with a dye, a viscose composition containing the coloring agent, a viscose rayon obtained by spinning the composition, and a method for manufacture thereof.

REFERENCES:
patent: 2993018 (1961-07-01), Steinlin
patent: 3252816 (1966-05-01), Sievenpiper
patent: 3793419 (1974-02-01), Steinlin et al.
patent: 3945980 (1976-03-01), Tsubakimoto et al.
patent: 4069176 (1978-01-01), Tsubakimoto et al.

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