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Study on waterproof performance of nomadic tent tarpaulin

Update:16 Sep 2019

Since ancient times, the masses of herdsmen have lived “water and grass”, and tents are common houses for herders. Because the tent is in the process of use, it is generally in the wild camping state, it needs to bear the sun and rain, and the tarpaulin is the main part of the tent, so how to improve the waterproof performance of the tent tarpaulin in the pastoral area and reduce the cost of the tarpaulin Especially important. However, the research on nomadic tents at home and abroad is almost blank, and the research on the waterproof performance of nomadic tent tarpaulins has not been reported.

Tent tarpaulin has been developed to the present day, mainly through the use of coating technology to achieve waterproof effect, mainly on the surface of the fabric is evenly coated with a polymer compound that can form a film, because it can not only give the fabric various functions, but also The fabric is given a unique style of hand and appearance, and can greatly increase the added value of the product, the effect is difficult to achieve in general printing and finishing. At present, awning fabrics are the consumed varieties of industrial coated fabrics. The coating agents are mainly classified into chemical structures: polyacrylates (PA), polyurethanes (PU), polyvinyl chlorides (PVC), silicones, synthetic rubbers, as well as fluorine-containing, polyamide, and poly-polymers. Ethylene, polypropylene and protein

PTFE is the only resin that combines waterproof, oil-repellent and anti-fouling functions. It is heat-resistant, oxidation-resistant, weather-resistant, mold-free, elastic and non-sticky. It is an ideal. The coating agent, but the price is very high, which limits its use. In order to make the tent tarpaulin have good waterproof performance, this paper intends to use different finishing techniques, fluorine-containing water-repellent finishing agent to finish the awning fabric, and test its performance, in order to study the nomadic performance with excellent waterproof performance and reasonable cost. The tent tarpaulin provides the basis.

There are many factors affecting the waterproof performance of organic fluorine finishing fabrics, such as yarn properties, thickness, fabric density, tightness, thickness, pre-treatment process of grey fabric, finishing agent, auxiliary property, dosage, pH, rolling ratio, processing flow, temperature Time, and so on. Based on a large number of domestic and foreign materials, the researchers of this project focused on seven factors including fabric tightness, pre-treatment of grey fabric, finishing agent, pH, additive formulation, padding process and rolling rate. And tested and analyzed the reasons for water repellent.

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