Abstract
A natural yellow pigment is extracted from carthamus tinctorious and the stability of the pigment on metal ions and the pH change are studied by visible spectra analysis. The extracts are applied to dye silk fabric and the dyeing properties are tested. Results show that the maximum absorption wavelength of the extract changed with pH value and metal ions. The safflower yellow pigment has good property for silk dyeing, the mordant dyed silk fabrics can obtain a deeper color yield and a better washing and rubbing color fastness.
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