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Top1. Introduction
With rise of outdoor mountaineering, the function of mountaineering wear has been focused more and more. Under the influence of new life idea “green and comfortable.” People have higher requirements for the wearing comfort and practicality in movement process of outdoor mountaineering wear. Mountaineering as a healthy aerobic exercise is more and more popular, it has become the choice of leisure decompression for most office workers, therefore the mountaineering wear industry is in a stage of development. However, the design and application theories of mountaineering wear are still in its early phase. Research and development of new type materials are important for designing the mountaineering wear, the nanomaterial belong a kind of new material, which can make mountaineering wear has a series of good use performance, which concludes function, comfort, light and long service life and low maintenance cost (Sun, et.al. 2019).
In mountaineering movement, the environment concludes a large number of bacteria, in addition, the porosity of textile fiber and the opening design of clothing make these bacteria be very easy to lurk to the surface of body, The excrete sweat from body in mountaineering movement, shedding skin and sebum all provide rich nutrients for these bacteria. The breeding of fungi, which also accelerates the cross infection and spreads disease. Currently the antibacterial mountaineering wear mainly applies quaternary ammonium compounds, PHMB, metal and metal salts, but quaternary ammonium compounds, PHMB materials can make bacteria produce the drug resistance, the Ag ion in metal and metal salts has strongest antibacterial, and it is safe and non-toxic. The nano antibacterial technology has prominent bactericidal effect, safety and appearance color, and can effectively control the cross infection (Bui, et al. 2019).
At present, there are two kinds of mature and industrialized antimicrobial fibers. One is inorganic antimicrobial fibers represented by synthetic fibers of nano-silver-containing zeolite antimicrobial materials. These fibers are safe and durable to human body. Second, a series of antimicrobial fibers were developed by blending organic antimicrobial agents. Nanotechnology is a new subject in nano-scale to study the properties, structure, physical and chemical properties of the materials between atom, molecule and macro-substance, as well as their preparation and application. Nowadays, nanotechnology has a good development trend in the application of anti-bacterial fibers and fabrics, and the development of anti-bacterial knitted fabrics using nanofibers has a solid scientific research foundation (Prasad,et al. 2018).
In foreign science and technology, nano-silver has also been widely used in textile industry. Nano-silver can be used as medical dressing through nylon, mesh, hydrocolloid, methyl cellulose, polyethylene, polypropylene and other carriers. It is suitable for most trauma treatment, especially for burns, chronic leg and foot ulceration, diabetic ulceration wounds and so on. Covering wounds with nano-silver dressings not only plays an important protective role against microbial infection, but also releases active silver ions on the surface of dressings, which play an important role in secreting inflammatory secretions of wounds. Immune serum, blood and tissue fluid in wounds can be interfered by active silver ions, so that wounds and dressings can be made. The reaction between them becomes more complex (Dong et al. 2019).
With the development of nano-industry and antimicrobial technology, antimicrobial fibers are widely used in clothing made of antimicrobial fibers in various fields, which can effectively solve sweat odor, bacterial breeding and infection, reduce the incidence of infectious diseases and create their own healthy environment. Antibacterial fibers used in footwear can inhibit the growth of bacteria, perspiration, moisture conduction and deodorization of feet. Antibacterial fibers can also be used in blankets, carpets, plush toys, decorative fabrics, car seat covers and sofa covers in public places. Antibacterial fibers play an important role in creating a clean and healthy environment(Liu, et al. 2018; Nie, et al. 2019). This research aims to design the mountaineering wear based on nano antibacterial technology to improve the performance of mountaineering wear, and construct prediction model to obtain the actual performance of mountaineering wear, on this basis, the prediction can improve the prediction accuracy to a certain extent.