Abstract
The color, strength and color fastness of the test pieces dyed by using electronic range heating were compared with those of the samples dyed by conventional dip dyeing through colorimetry, tensile testing, washfastness testing and lightfastness testing. The test cloths woven of various kinds of fibers were dyed with natural or synthetic dyes. Almost all of the cloths dyed under electronic range heating showed deeper color and higher chroma than the conventionally dyed ones. It was inferred that the effect of dyeing by this method resulted from a rise in temperature of the interior of the fiber due to the dielectric property of the fibers. The yarn tensile strength of the cloths dyed by this method was slightly lower than that of the conventionally dyed ones. The color fastness to washing of the cloths dyed by this method was better than that of the latter ones. Hence, it was ascertained that the dyeing method using electronic range heating has some advantages over the conventional method.