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Super-hydrophobic natural fiber fabric and preparation method thereof

A natural fiber and super-hydrophobic technology, applied in fiber treatment, plant fiber, textile and paper making, etc., can solve complex chemical treatment process, expensive equipment and other problems, achieve good application prospects, good acid and alkali resistance and organic solvent performance , The effect of simple operation process

Inactive Publication Date: 2014-03-05
ZHEJIANG SCI-TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the methods reported in the literature have achieved good superhydrophobic effects, most of these methods require complex chemical treatment processes or expensive instruments and equipment.

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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  • Super-hydrophobic natural fiber fabric and preparation method thereof
  • Super-hydrophobic natural fiber fabric and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] 1) Wash the ramie fiber fabric in deionized water with detergent, dry it, and cut it into strips of 50mm×200mm;

[0026] 2) Sonicate the dry carbon nanotube powder in N,N-dimethylformamide for 1h to disperse evenly to form a suspension with a concentration of 1mg / mL; add benzoxazine resin monomer powder to adjust its concentration 1mg / mL, continue to sonicate for 1h to form a mixture of carbon nanotubes and benzoxazine resin monomers;

[0027] 3) Soak the cleaned ramie fiber fabric strips in the mixture of carbon nanotubes and benzoxazine resin monomers for 10 minutes, wash them with deionized water three times, and wash them with ethanol once; vacuum-dry them at 50°C for 0.5 hours, Heat in a blast oven at 160°C for 30 minutes; heat in a blast oven at 160°C for 10 minutes, and cool to room temperature naturally; repeat this process 20 times to obtain the target sample.

[0028] The test results show that the static contact angle between the treated ramie fiber fabric s...

Embodiment 2

[0030] 1) Clean the cotton fiber fabric in deionized water with detergent, dry it, and cut it into cloth strips with a size of 50mm×200mm;

[0031] 2) Sonicate the dry carbon nanotube powder in tetrahydrofuran for 24 hours until uniformly dispersed, forming a suspension with a concentration of 1.5 mg / mL; add benzoxazine resin monomer powder, adjust its concentration to 5 mg / mL, and continue to sonicate 24h, form the mixed liquid of carbon nanotube and benzoxazine resin monomer;

[0032] 3) Soak the cleaned ramie fiber fabric strips in the mixture of carbon nanotubes and benzoxazine resin monomers for 30 minutes, wash them with deionized water three times, and wash them with ethanol once; vacuum-dry them at 50°C for 1 hour, then vacuum-dry them at 80°C Heat in a blast oven for 15 minutes; heat in a blast oven at 190°C for 5 minutes, and cool to room temperature naturally; repeat this process 5 times to obtain the target sample.

[0033] The test results show that the static co...

Embodiment 3

[0035] 1) Wash the ramie fiber fabric in deionized water with detergent, dry it, and cut it into strips of 50mm×200mm;

[0036] 2) Sonicate the dry carbon nanotube powder in acetone for 12h until it is evenly dispersed to form a suspension with a concentration of 0.5mg / mL; add benzoxazine resin monomer powder, adjust its concentration to 10mg / mL, and continue to sonicate 12h, form the mixed liquid of carbon nanotube and benzoxazine resin monomer;

[0037] 3) Soak the cleaned ramie fiber fabric strips in the mixture of carbon nanotubes and benzoxazine resin monomers for 5 minutes, wash them with deionized water 3 times, and wash them with ethanol once; vacuum dry them at 50°C for 2 hours, and then dry them at 80°C Heat in a blast oven for 5 minutes; heat in a blast oven at 130°C for 30 minutes, and cool to room temperature naturally; repeat this process 30 times to obtain the target sample.

[0038] The test results show that the static contact angle between the treated ramie ...

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Abstract

The invention discloses super-hydrophobic natural fiber fabric and a preparation method thereof. A super-hydrophobic coating is coated on each of the two sides of the natural fiber fabric. The preparation method includes: cleaning up substrate fabric, drying and cutting into a dimension needed; preparing a liquid mixture of carbon nano tube and a benzoxazine resin monomer; dipping the substrate fabric in the liquid mixture of the carbon nano tube and the benzoxazine resin monomer; washing with deionized water and ethanol, drying under vacuum, curing partly, cooling naturally to room temperature, and repeating the steps to the number of times needed. The operation and technology are simple. Complex chemical treatment and expensive instruments and devices are not needed for the natural fiber fabric. The natural fiber fabric having different super-hydrophobic performances can be obtained by simply adjusting concentrations of the carbon nano tube and the benzoxazine resin monomer in the liquid mixture and the number of times of dipping. The super-hydrophobic natural fiber fabric has good acid resistance, alkali resistance and organic solvent resistance, and has a good application prospect in the war industry field, the outdoor field, and the like.

Description

technical field [0001] The invention relates to a superhydrophobic material and a preparation method thereof, in particular to a superhydrophobic natural fiber fabric and a preparation method thereof. Background technique [0002] Generally speaking, superhydrophobic materials have excellent self-cleaning ability, a drop of water can easily roll off its surface, and then wash away the dust and stains on the surface. In recent years, this functional material has received extensive attention. The study found that low surface energy and special surface roughness are two necessary conditions to achieve superhydrophobic properties. Subsequently, many superhydrophobic materials with self-cleaning ability have been reported one after another. [0003] Although many basic studies have successfully formed superhydrophobic coatings on hard solid surfaces (such as commonly used silicon wafers, glass sheets, and metal surfaces, etc.), these substrates have limited their large-scale pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06M15/37D06M11/74D06M101/06
Inventor 张涛陈飞
Owner ZHEJIANG SCI-TECH UNIV