Cotton fabric was treated by CO₂laser under different parameters, before and after dyeing with reactive dye. Color properties, including reflectance, K/S sum and CIE L^*a^*b^* of treated fabrics were evaluated through spectrophotometer. The dyed and then laser treated fabric (D/L) revealed lighter, more greenish and less bluish color. The laser treated and then dyed fabric (L/D) showed different results. This indicates that different treatment approaches have different influences on color properties of cotton fabric.

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This paper describes the production and characterization of novel geometries for piezoelectric products with a large potential in the design and implementation of flexible sensors produced at low cost and high rates. In particular, the filament geometry, appropriate for integration into textiles, is analyzed. Piezoelectric filaments producing electrical signals under bending or traction loads, thus acting as mechanical sensors, have been produced and tested, and are presented in this paper.

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Japanese and Chinese students evaluated the “shittori” feeling for knitted fabrics with different stitch density. In Hong Kong, we used the expression of “Baby’s skin” to explain “shittori” sensation. The mechanical, surface properties and air resistance, the maximum value of heat flux, q_max were measured by using the KES system. In Japan, subjects felt the stronger “shittori” feeling of knitted fabrics, which have larger value of stitch density in this study. The stronger “shittori” feeling of fabrics is also derived from fabric properties, such as the large values of MIU (coefficient of friction), B (bending rigidity), G (shear stiffness), 2HG (hysteresis of shear force at 0.5°of shear angle) and Air Resistance. In Hong Kong, subjects felt stronger “shittori” feeling for the smaller stitch density fabric. Also the stronger “shittori” feeling of students in Hong Kong was related to the small values of G, 2HG, B and 2HB (hysteresis of bending moment) of fabrics.

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