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Textile coatings

Nano-silica, slurry additive, is beneficial to enhance the adhesion of slurry to fiber, and can effectively improve the sizing performance of pure cotton yarn and polyester-cotton yarn; the content of hydroxyl in yarn directly affects the performance of nano-silica on sizing The degree of improvement, nano-silica has a better effect on the surface properties and mechanical properties of pure cotton yarn sizing. The product is prepared by a special process, and the nano silica has high activity, so that the binding ability with the hydroxyl surface of the yarn is greatly improved, and the sizing is more favorable, thereby exerting a greater advantage in the nano silica in the textile. The role of the above.

Technical indicators

Exterior

White powder

model

DK-SiO2-F30

The average particle size,

30 nm

Specific surface area,

150-250 m2/g

Hydroxyl content

≥90%

Surface treatment

Increase surface activity treatment

Nano silica content

≥99.5%

PH value

5-7

Burning weight loss 950°Cx2h

≤6.0%

Application characteristics of textile-specific nano-silica:

1. It is beneficial to enhance the adhesion of the slurry to the fiber. There is a strong or weak hydrogen bond between the active hydroxyl group on the surface and the hydroxyl group on the starch and cotton fiber, which can effectively improve the sizing performance of pure cotton and polyester/cotton yarn. .

2. Nano-silica is more conducive to sizing of cellulose fibers.

3. with the effect of strengthening and grinding and reducing hairiness.

4. The slurry film of the mixed slurry of nano silica has better wear resistance than the slurry film of pure starch slurry.

 
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