Abstract
Abstract Diabetic disease and its chronic complications is a public health problem that affects millions of people all over the world. Feet diabetics need private care by using appropriate shoes and socks, to avoid friction, sweating and high temperature. Diabetic socks have to attain an effective thermal comfort and higher appraisal performance. To achieve these conditions, the diabetic socks have to attain comfortable fit, no pressure points or seams on fingers, suitable size, classified as spring-summer or autumn-winter and also to avoid high temperature. The specifications of the diabetic socks sold in the market consist of its material combination, size and chemical treatments. No definite physical mechanical properties of diabetic socks are proposed. Diabetic socks taken from the market, with appropriate price, were evaluated for both thermal and non-thermal properties. The tested samples demonstrate a great variability’s in the fabric construction and properties. By analyzing the tested socks, the proposed values concerning the properties of diabetic socks for summer and winter are introduced. Moreover, relative geometrical mean of thermal comfort properties was proposed for determining a global measure of diabetic sock properties.
Highlights
Comfort involves thermal and non-thermal components, and it depends on the wear situations
There is an inverse relation between thermal conductivity and thermal resistance [1]
The foot is produced from two yarns: one of them consists of a Single Yarn or Single Cover Lycra (SCL), while the other, in most cases, consists of two or three doubled yarns
Summary
Comfort involves thermal and non-thermal components, and it depends on the wear situations. Thermal conductivity along the axis of fibers or yarns is higher than along the transverse direction for all fiber types [13] .Cotton has the best thermal properties and higher thermal resistance; it protects body from temperature difference. While silver fiber gives higher thermal conductivity, cotton/ bamboo gives higher thermal absorption and both bamboo and soybean are superior in handle properties [3]. Soybean protein and SeaCell fibers are naturally antibacterial, biodegradable, UV protectable, bright, soft, smooth, with high moisture absorption capacity and permeability [7,10,27]. Hollow fibers increase both thickness and fabric thermal resistance [14]
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