engleski

The compressibility of fine women's hosiery with elastane

The raw materials, fines and yarn structures for the production of simple fine women's hosiery and hosiery with increased compression are listed. Tubular knitted samples were made of a uniform structure used in making of fine women's hosiery. The samples were made on a 100 mm (4 inches) diameter of a cylindrical knitting machine with 400 needles and the gauge of E32. Tubular knitted samples were made in three weft structures: plain, partially plaited 1+1 and fully plated. In each structure, three subgroups of samples with three different loop sinking depths of 550, 700 and 850 units were knitted. In this way, nine basic samples were obtained that presented the basic structures of fine elastic women's hosiery with increased compression. In the manufacturing of the samples, the basic yarn is Polyamide with the fineness of 60 dtex f 60 and the yarn plating is the elastane yarn with the fineness of 22/17 dtex f7. The parameters of the knitting structure were measured with special emphasis on the length of the yarn in one knitted row, which ranged from 630 to 1320 mm. The tensile properties of the samples were measured in the wale and course direction. The compressibility of such tubular elastic knitted fabrics was measured after their tightening on a stiff cylinder which imitated the diameter/circumference of a particular part of the woman's leg. The diameter/range of cylinders were 110/350, 120/375, 125/395, 160/505, 200/630 and 250/790 mm. The measured compression was up to 1, 86 kPa (14 mmHg). The simpler constructions of fine women's hosiery are attaining compression on the cylinder (leg) up to 0, 80 kPa (6 mmHg), increased compression hosiery up to 1, 33 kPa (10 mmHg) and hosiery with a maximum compressibility up to 1, 86 kPa (14 mmHg).

fine women’s hosiery, polyamide (PA), elastane, stretching, compression

This work has been fully supported by Croatian Science Foundation under the project (IP-2016-06- 5278).