Comfortableness of Five Commercially Available Pad Sheets

Abstract

The comfortableness of each sheet was investigated by measuring five physical properties of the sheets; heat retention (L), q max (H), water vapor permeability (H), water absorbency (H), and water loss rate (H). The parenthesized symbols, (H) and (L) denote higher or lower values for better feelings regarding the sheet, respectively. 　Sample No. 1 exhibited high water vapor permeability and high water absorbency with low q max; No. 2, high water vapor permeability and high q max; No. 3, high q max, high water vapor permeability and high water absorbency with moderately high heat retention; No. 4, low water vapor permeability and low heat retention, which lead to a sense of humidity; and No. 5, high water vapor permeability and low heat retention, and a high water loss rate. 　The best cool feeling among these sheets was found to be No.3 and No.2, the sheets with high q max. No. 1 and No.5 were found to exhibit high water vapor permeability, high water absorbency and a high water loss rate.departmental bulletin pape