Technological Process: Wax painting, dyeing: dyed 5-9 times in plant indigo, there are many kinds of dyestuffs in different places.
The decolorization results of the dyestuffs mixture and single dyestuff solution were roughly the same.
The article gives the experimental study on the technology, equipment and the dyestuffs used in the finishing process.
When dry-washing machine and new-type cleansers and dyestuffs were used widely in washing and dyeing line for leather garment, many new washing and dyeing technique had been developed at home.
Reactive blue 49 is one of the important brilliant blue dyestuffs for printing with high solubility and gives bright shade.
The dyeing properties of natural dyestuffs extracted from green tea, purple Perilla, wild cabbage are studied.
Practice has proved the dyeing on the real silk of natural plant dyestuffs has bright prospects.
Dual-wavelength spectrophotometry is a way to simultaneously determine the content of two dyestuffs in mixed solution.
The wet-fastness to friction and to immersion is poor for the sisal hemps which were dyed by direct or reactive dyestuffs.
Since harmful elements in size, pastes and dyestuffs are deposited on fabrics, so that the harmful elements contents of grey and dyed fabrics are increased.
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