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Studies on the Relationship between the Values S、E、F、R of Reactive Dyes and the Low Salt Dyeing Process

Wang Chun

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Abstract

According to the S(substantivity),E(% of exhaustion),F(% of fixation)and R(rate of fixation)values of reactive dyes,three different types dyes were chosen in the experiment.Three types dyes whose value are high,middle and low were dyed by low salt dyeing process.The conclusion has been drawn that the Value S,E,F,R which is middle are fitting for low salt dyeing.Its fixation is about 70%.The salt dosage is 1/4~1/3.The best liquor ratio is 1:10.The mixture of anhydrous sodium sulfate and sodium citrate is the best on condition that the ratio of their dosage is 1∶2.

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What this paper is about

According to the S(substantivity),E(% of exhaustion),F(% of fixation)and R(rate of fixation)values of reactive dyes,three different types dyes were chosen in the experiment.Three types dyes whose value are high,middle and low were dyed by low salt dyeing process.The conclusion has been drawn that the Value S,E,F,R which is middle are fitting for low salt dyeing.Its fixation is about 70%.The salt dosage is 1/4~1/3.The best liquor ratio is 1:10.The mixture of anhydrous sodium sulfate and sodium citrate is the best on condition that the ratio of their dosage is 1∶2.

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Available abstract

According to the S(substantivity),E(% of exhaustion),F(% of fixation)and R(rate of fixation)values of reactive dyes,three different types dyes were chosen in the experiment.Three types dyes whose value are high,middle and low were dyed by low salt dyeing process.The conclusion has been drawn that the Value S,E,F,R which is middle are fitting for low salt dyeing.Its fixation is about 70%.The salt dosage is 1/4~1/3.The best liquor ratio is 1:10.The mixture of anhydrous sodium sulfate and sodium citrate is the best on condition that the ratio of their dosage is 1∶2.

Key concepts: Dyeing, Anhydrous, Salt (chemistry), Chemistry, Sodium sulfate, Sodium, Sodium salt, Nuclear chemistry

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