Abstract
Abstractβ‐cyclodextrin is successfully grafted onto silk yarn using succinic acid and sodium hypophosphite. The effect of various experimental parameters (including initial concentrations, curing time, and temperature) on graft yield is also evaluated. In addition, the grafted silk is characterized by different analyses (Fourier transform infrared [FTIR], attenuated total reflectance‐FTIR, field emission scanning electron microscope, dynamic light scattering, X‐ray diffraction, differential scanning calorimetry, and thermo gravimetric analysis). Afterward, the grafted silk samples are dyed with the natural dyes. Results show that the color strength of grafted samples is markedly enhanced compared with control samples (treated with tannic acid [TA] and copper salt). This can relate to different interactions between the grafted silk and the applied dyes (such as H‐bonding, inclusion complex, and acid–base interactions). Finally, the physical properties and color fastness of the silk samples are studied and compared.
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