Process for the production of reactive dyes by adiabatic reactio

Details Process for the production of reactive dyes by adiabatic reactio Process for the production of reactive dyes by adiabatic reactio

1986-09-22

1988-11-15

Higel, Floyd D.

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

534618, 534622, 534631, 534634, 534635, 534636, 534637, 534638, 540126, 544181, 544187, 544188, 544189, C09B 6208, C09B 4316, C09B 6206, C09B 6210

Patent

active

047850817

ABSTRACT:
A new process for the production of reactive dyes by the reaction of cyanuric chloride with anionic dyes containing an amino group, which process comprises the adiabatic reaction of cyanuric chloride with the dye, at a temperature of 20.degree. to 80.degree. C. and a pH value of between 3.0 to 7.0, with the rapid addition of the educts within 1 to 30 minutes, produces reactive dyes in good yield and purity and is technically advantageous.

REFERENCES:
patent: 3950128 (1976-04-01), Gregory

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