| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a yarn which can be produced without causing a negative effect on spinning operability and has an excellent heat retaining effect, and to provide an all-weather heat-retaining cloth which is suitable especially for autumn and winter clothing and can be adapted to various wearing scenes such as indoor and outdoor or when a wearer is resting and when a wearer is exercising.SOLUTION: There is provided a spun yarn composed of two kinds of thermoplastic fibers. The thermoplastic fibers are a fiber containing far-infrared radiation fine particles and a fiber containing a near-infrared absorber. In the spun yarn, it is preferable that either one of the fibers of the fiber containing far-infrared radiation fine particles and the fiber containing a near-infrared absorber is arranged in a core layer, and other fiber is arranged in a sheath layer. There is provided a heat-retaining cloth in which the thermoplastic resin is a polyester-based resin and the twist coefficient is 2.0-4.0.</p> |
