1989
DOI: 10.1111/j.1478-4408.1989.tb01194.x
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Reactive dyes for cellulose. Concurrent methoxide‐hydroxide reactions of triazinyl reactive systems: a model system for assessment of potential fixation efficiency

Abstract: A series of triazinyl reactive dyes, identical in all respects but for the leaving group, has been synthesised. The rate of hydrolysis of each member of the series, i.e. fluoro, chloro, sulpho and DABCO derivatives, has been determined. The corresponding nicotinic acid compound could not be included in the study as it did not yield the expected hydroxytriazine in dilute sodium carbonate solution. Each dye has been added, in turn, to a methanol‐water solution in the presence of base and the chemical selectivity… Show more

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Cited by 15 publications
(2 citation statements)
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“…High fixation efficiency will also lead to lower amounts of residual, unfixed dye in dyehouse wastewater, which will serve to reduce environmental loads and lower wastewater treatment costs. Several methods can be used to determine the extent of dye fixation [eg (27)(28)(29)(30)].…”
Section: Dye Hydrolysismentioning
confidence: 99%
“…High fixation efficiency will also lead to lower amounts of residual, unfixed dye in dyehouse wastewater, which will serve to reduce environmental loads and lower wastewater treatment costs. Several methods can be used to determine the extent of dye fixation [eg (27)(28)(29)(30)].…”
Section: Dye Hydrolysismentioning
confidence: 99%
“…Also, the reactive electrophilic groups, which are commonly used to effect fixation are very selective in their reaction with cellulose; i.e. they display a high propensity to undergo reaction with the cellulose (fixation), in preference to reaction with water, which is always present (hydrolysis) [1,2]. Additionally, the vast majority of reactive dyes used in exhaust dyeing employ at least two reactive groups in order to maximise fixation [3].…”
Section: Introductionmentioning
confidence: 99%