An Investigation of the Dyeability of Acrylic Fiber Via Microwave Irradiation‎

Microwave dyeing was carried out ‎under a variety of conditions in ‎terms of the power and time of a ‎microwave to investigate the ‎effects of microwaving on the ‎dyeability of acrylic fibers. It was ‎found that the dyeability of acrylic ‎fibers were significantly improved ‎under microwave irradiation ‎caused by the increased adsorption ‎of the dye into fibers due to the ‎local over heating and an ‎amplified reaction probability ‎between the dye and fiber. The ‎physical properties of the acrylic ‎fibers were elucidated using ‎scanning electron microscopy ‎‎(SEM), tensile strength ‎measurements, and differential ‎scanning calorimetry (DSC). The ‎optimum time for the best dye ‎uptake for given microwave ‎powers was also reported.‎