熱・水分移動特性の観点からみたゴールボール用パンツのプロテクター素材に関する研究

Abstract

This study investigates the properties of protective pants with excellent thermal comfort for goalball players. The thermal and water-vaper transfer properties of six types of protective materials and two kinds commercial materials for protective pants used by football goalkeepers were measured. We determined that the amount of dry heat loss (Hd) and water-vapor permeability (Vw) of reticularstructured elastomer samples were higher than those of the other samples. Hd was found to be independent of the apparent density of the protective material. Moreover, the Vw values of the urethane sponges were higher than those of the rubber sponges because the latter contain independent pores whereas the former contain continuous ones. The material in contact with the skin was found to be important when two or three sample layers were combined, with the reticular-structured sample or urethane sponge determined to be favorable. This suitability is attributed to the properties of these materials, as they both suppress increases in temperature and humidity in clothing throughout the duration of a goalball game.