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Nano silica oxide antiultraviolet finishing method used for cotton fabric

A nano-silicon and oxide technology, applied in fiber processing, plant fibers, textiles and papermaking, etc., to achieve the effects of low baking temperature, strong ultraviolet reflection and absorption ability, and improved durability

Inactive Publication Date: 2010-08-11
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are few reports on the application of nano-SiOx in textile and clothing fabrics

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • Nano silica oxide antiultraviolet finishing method used for cotton fabric

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] (1) Preparation of dispersion

[0022] Dissolve the dispersant (5%-15%) in water (67%-89%), add nano-silicon-based oxides (1%-3%) into the aqueous solution of the dispersant, and then ultrasonically disperse for 10-30 minutes, Finally, under mechanical stirring, slowly add synthetic latex (5%-15%) and stir for 10-30 minutes to obtain a nano silicon-based oxide dispersion.

[0023] (2) Anti-ultraviolet finishing

[0024] Dip the cotton fabric twice in the above dispersion and roll it twice, the pressure is 2-3kg / cm 2 , with a liquid-carrying rate of 60-70%, dried in a blast oven, and then baked at 100-180°C for 3-5 minutes.

[0025] (3) Carry out various index tests on the finished fabric, as follows:

[0026] ① UV transmittance and UV protection factor (Ultraviolet Protection Factor) test

[0027] According to AS / NZS 4399-1996 standard, UPF is measured by UV-1000F ultraviolet transmittance analyzer produced by Labsphere, USA.

[0028] ②Water resistance is tested ac...

Embodiment 2

[0033] Dissolve 5% sodium hexametaphosphate in 83% water, add 2% nano-silicon-based oxide into the dispersant aqueous solution, then ultrasonically disperse for 30 minutes, and finally add 10% polyacrylate synthetic latex slowly under mechanical stirring , and then stirred for 10 minutes to obtain a nano silicon-based oxide dispersion.

[0034] Plain woven cotton (140g / m 2 ) anti-ultraviolet finishing steps are as follows: cotton cloth (140g / m 2 ) dipping and rolling twice in the dispersion liquid, the pressure is 3kg / cm 2 , with a liquid-carrying rate of 60-70%, dried in a blast oven at 100°C, and finally baked at 150°C for 5 minutes.

Embodiment 3

[0036] Dissolve 5% sodium dodecylbenzenesulfonate in 80% water, add 3% nano-silicon-based oxide into the aqueous solution of the dispersant, then ultrasonically disperse for 30 minutes, and finally add 12% slowly under mechanical stirring polyurethane synthetic latex, and then stirred for 10 minutes to obtain a nano silicon-based oxide dispersion.

[0037] Plain woven cotton (140g / m 2 ) anti-ultraviolet finishing steps are as follows: cotton cloth (140g / m 2 ) in the dispersion liquid, two dipping and two rolling, pressure 3kg / cm 2 , with a liquid-carrying rate of 60-70%, dried in a blast oven at 100°C, and finally baked at 150°C for 5 minutes.

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Abstract

The invention discloses a nano silica oxide antiultraviolet finishing method used for cotton fabric, which includes the following steps: adding 5%-15% of dispersant by weight percent to 67%-89% of water to be dissolved evenly, adding 1%-3% of nano silica oxide, dispersing through ultrasonic waves for 10-30min, stirring and gently adding 5%-15% of synthetic latex, stirring for 10-30min to obtain nano silica oxide dispersed liquid; padding the cotton fabric in the dispersed liquid for treatment under pressure of 2-3kg / cm2 and liquid take-up rate of 60-70%, drying, and finally baking at 100-180 DEG C for 3-5min. The method is simple and suitable for industrial production. The method enables the fabric to have excellent and long-lasting ultraviolet radiation protective property and has little effect to the feel and the physical and mechanical properties of the fabric.

Description

technical field [0001] The invention belongs to the field of anti-ultraviolet finishing methods for cotton fabrics, in particular to a method for anti-ultraviolet finishing of nanometer silicon-based oxides for cotton fabrics. Background technique [0002] The soft aggregate of nanometer silicon-based oxide SiOx (x in 1.2-1.6) is amorphous white powder, which belongs to floc and network particle structure. There are a large number of hydroxyl groups and unsaturated residual bonds on the surface, which deviates from the stable silicon-oxygen structure due to the lack of oxygen on the surface. Through the observation of high-resolution electron microscope, it is found that its surface contains many nano-mesoporous structures, so it has more interface reflection ability. The special structure of nano-SiOx determines that it has special optical properties that conventional materials do not have, and the phenomenon of "blue shift" is common. The reflectivity to UVA and UVB is as...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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IPC IPC(8): D06M11/77D06M15/263D06M15/564D06M101/06
Inventor 刘晓艳于伟东宋蓉蓉
Owner DONGHUA UNIV