With the development of information industrialization and the increasing number of household appliances, electromagnetic waves are causing more and more harm to the human body. While people’s awareness of self-protection is increasing, the demand for functional protective fabrics is also increasing. Development of anti-radiation, Effectively shielding fabrics from electromagnetic waves has become a problem for major fabric companies.
There are currently three production methods for producing anti-electromagnetic radiation fabrics: one is surface finishing of fabrics, including spraying anti-radiation agents, padding anti-radiation agents, grafting treatment (chemical modification), etc.; the second type is the use of metal fiber interweaving, Inlay weaving method; the third category is to use metal fiber and conventional fiber blended and blended to weave. Among them, ‘embedded metal fiber’ is widely used. For this reason, in response to customer requirements, the “Development and Production of Jacquard Colored Fabrics for Anti-Electromagnetic Wave Radiation” project adopts the method of “embedded metal fiber”. According to the characteristics of the pattern of the yarn-dyed fabric, the stainless steel wire is processed to meet the requirements of the yarn-dyed fabric. Evenly and finely distributed, intertwined with cotton yarn, and using the fabric CAD system to design and adjust multiple times to form a product design plan. After technical research, continuous practice and optimization, a reasonable production process was formulated, and a radiation-proof jacquard was developed. Colored fabrics, works great.
In order to reflect the fabric’s radiation protection, anti-static and many other functions, the fabric uses beige yarn as the main color, with two-color strands such as purple and bleach as flowering yarn, and a virtual grid pattern of purple and bleach. The small grid pattern of the purple-red yarn is highlighted, forming a grid network of alternating large and small grid patterns, which has a strong three-dimensional effect and good breathability. Plain weave is used in the design, and the jacquard part is made up of stripes composed of horizontal and vertical purple and bleached yarns to form a floating pattern. In order to highlight the floral effect, double-stranded threads are used as the floral warp, and at the same time, the weft yarn is used as the floral pattern at regular intervals. The formation of two-way jacquard in warp and weft highlights its pattern and three-dimensionality, and enriches the layers of the cloth.
It is understood that the design and production of radiation-proof dobby fabrics are difficult. The project team has achieved good results through continuous practice, adjustment and optimization of the process by technical staff. From the test results, the shielding efficiency reaches 95.6 when the frequency is 30MHz. %; Since the metal wires are woven evenly, the fabric has good conductivity and the detected electrostatic charge distribution is 0. Therefore, the fabric achieves good shielding efficiency and anti-static function, and can be used as a protective clothing fabric under low-frequency electromagnetic wave radiation conditions. , its radiation protection effect is better. Judging from other performance index data, the strength, wrinkle resistance, air permeability, moisture permeability, etc. of the fabric fully meet the FZ/T13007-1996 standard for yarn-dyed fabrics. At the same time, the weaving efficiency reaches more than 89%, and the weaving defect rate is 5.3%. As soon as the machine is off the machine The rate of first-class products is 86%, and the rate of first-class products in the warehouse is 99%. The product quality has been well received by customers and has also brought good economic benefits to the company.
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