Preparation and application of Citral–monochlorotriazine-β-cyclodextrin Inclusion Complex nanocapsule

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The inclusion complex of citral with monochlorotriazine-β-cyclodextrin (MCT-β-CD) was prepared and grafted to the fabric. The chemical structure of the inclusion complex was characterized by Fourier transform infrared spectroscopy. The particle size distribution of Citral-MCT-β-CD. Inclusion complex was measured with dynamic light scattering (DLS). The loading capacity was investigated by Ultraviolet–visible absorption spectroscopy and thermo-gravimetric analyzer, and the morphology of the fabric grafted with inclusion complex of citral with MCT-β-CD was characterized by scanning electron microscope (SEM). Results showed that the inclusion complex of citral with MCT-β-CD was successfully prepared and grafted to the fabric. The particle size was in nano size, approximately to 200–300 nm. The load capacity was about 9%. Citral release rate was significantly lower than the unfinished one because of chemical bond with the fabric. This method may provide a new technique to produce aromatic cotton with control fragrance release.