Production method of anti-mite fabric
Production method of anti-mite fabric
Fabric anti-mite finishing method is a conventional technology, and its implementation methods include spraying, padding, coating, etc. The key to this technology lies in the selection of anti-mite finishing agent and the preparation of the finishing agent. It can be seen from the relevant Japanese patent introduction that large textile companies such as Teijin, Kuraray, Mitsubishi Rayon, Toyobo Corporation, and many dyeing and finishing companies have participated in the development of this anti-mite fabric.
The processing process is to soak the pure cotton fabric made after desizing, refining, bleaching and mercerization in a treatment liquid [75% anti-mite agent and 25% urea-formaldehyde resin] with a liquid carrying rate of 80%. Microcapsules formed by wall materials (40% slurry) account for 5%, polyurethane emulsion accounts for 0.5% (solid content 40%), and magnesium chloride accounts for 0.3%]. After rolling, dry at 120°C for 2 minutes, and then bake at 160°C for 3 minutes to obtain a product with anti-mite effect.
Secondly, dissolve the anti-mite finishing agent in the “Shale Tar A” solvent, use Sorbic Acid Sol 2942S, Heptane Melt 100 and Calcium Dodecylbenzene Sulfonate as emulsifiers, and stir thoroughly to form a uniform anti-mite finishing agent. agent lotion. The anti-mite finishing agent emulsion is then mixed with a latex liquid of polyacrylonitrile resin, polyester resin, and polyurethane to obtain an anti-mite treatment liquid. The method of treating fabrics with anti-mite treatment liquid is as follows: Dip 30 square centimeters of cotton cloth and polyester/nylon (65:35) blended fabric into 200 mL of anti-mite treatment liquid. Use a mangle to dry it until the liquid content is 80%, then dry it at 80°C for 5 minutes, and then heat treat it at 130°C for 1 minute. After such treatment, the fibers and their fabrics can be given washing resistance.
In addition, the emulsion of isocyanothioacetate and the emulsion of polyester copolymer can also be used in the same bath to obtain an anti-mite effect with washability. The polyester copolymer is emulsified and dispersed in water with nonionic or anionic surfactants to form an emulsion. As an anti-mite finishing agent, isocyanothioacetate is emulsified and dispersed in water with a nonionic or anionic surfactant to form an emulsion. The polyester fabric is padded (liquor rate 80%), dried (100°C), and then heat treated at 180°C for 1 to 2 minutes to improve the washability of the anti-mite effect. ypZ4X2V
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