CN114457586B - Preparation method of high-thermal-conductivity super-amphiphobic fabric with liquid drop one-way permeability - Google Patents

Preparation method of high-thermal-conductivity super-amphiphobic fabric with liquid drop one-way permeability Download PDF

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CN114457586B
CN114457586B CN202210134283.3A CN202210134283A CN114457586B CN 114457586 B CN114457586 B CN 114457586B CN 202210134283 A CN202210134283 A CN 202210134283A CN 114457586 B CN114457586 B CN 114457586B
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CN114457586A (en
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李斐然
潘昀路
王帅
赵学增
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Harbin Institute of Technology
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/80—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with boron or compounds thereof, e.g. borides
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M10/00—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
    • D06M10/001—Treatment with visible light, infrared or ultraviolet, X-rays
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
    • D06M13/207—Substituted carboxylic acids, e.g. by hydroxy or keto groups; Anhydrides, halides or salts thereof
    • D06M13/21—Halogenated carboxylic acids; Anhydrides, halides or salts thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
    • D06M13/345—Nitriles
    • D06M13/348—Nitriles unsaturated, e.g. acrylonitrile
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/227—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of hydrocarbons, or reaction products thereof, e.g. afterhalogenated or sulfochlorinated
    • D06M15/233—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of hydrocarbons, or reaction products thereof, e.g. afterhalogenated or sulfochlorinated aromatic, e.g. styrene
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/356—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of other unsaturated compounds containing nitrogen, sulfur, silicon or phosphorus atoms
    • D06M15/3562—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of other unsaturated compounds containing nitrogen, sulfur, silicon or phosphorus atoms containing nitrogen
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/61—Polyamines polyimines
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/02—Natural fibres, other than mineral fibres
    • D06M2101/04—Vegetal fibres
    • D06M2101/06—Vegetal fibres cellulosic
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/10—Repellency against liquids
    • D06M2200/11—Oleophobic properties
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/10—Repellency against liquids
    • D06M2200/12—Hydrophobic properties

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Abstract

The invention relates to the technical field of functional materials, in particular to a preparation method of a high-thermal-conductivity super-amphiphobic fabric with liquid drop one-way permeability, which comprises the following steps: s1, cleaning the fabric by using an organic solvent for cleaning; s2, soaking the fabric in acetone solution containing boron nitride and alpha-ethyl cyanoacrylate; s3, repeatedly soaking the fabric in the cationic polyelectrolyte solution and the anionic polyelectrolyte solution; the concentrations of the anionic polyelectrolyte solution and the cationic polyelectrolyte solution are both 1mg/ml, and both contain sodium chloride with the concentration of 1 mol/L; s4, soaking the fabric in perfluorooctanoic acid ethanol solution; s5, covering a mask with an array of holes on one side of the fabric and irradiating with ultraviolet light. The obtained fabric has the characteristics of unidirectional liquid drop transmission, quick dehydration, oil resistance and quick heat conduction.

Description

Preparation method of high-thermal-conductivity super-amphiphobic fabric with liquid drop one-way permeability
Technical Field
The invention relates to the technical field of functional materials, in particular to a preparation method of a high-thermal-conductivity super-amphiphobic fabric with liquid drop one-way permeability.
Background
The one-way permeability of liquid droplets is widely found in nature, for example, beetle backs, spider webs, cactus, and the like. In recent years, fabrics made by using the characteristics similar to liquid diodes can directionally transport sweat on the surface of human skin to the outer side of clothes, so that the skin can keep dry and comfortable temperature, and the fabric is a focus of attention in the fields of functional garment manufacturing and special wettability fabrics. The material with the liquid drop one-way permeability is mainly compounded by a plurality of layers of materials with different wettabilities through the modes of hot pressing, spinning, spraying and the like, and can also be prepared through asymmetric chemical modification.
However, although the current commercial cloth can realize unidirectional transportation of liquid drops on the inner side to the outer side, the pollution of external liquid cannot be avoided. Meanwhile, sweat on the surface of the skin is continuously conveyed to the outer side of the cloth, and the sweat cannot be rapidly removed from the outer side of the cloth, so that the cloth is gradually heavier, the sweat conveying speed is reduced, the application of the cloth is greatly limited, the oil pollution resistance, the heat conductivity and the air permeability of the cloth are poor, and the preparation process is complex.
Disclosure of Invention
The invention provides a preparation method of a high-thermal-conductivity super-amphiphobic fabric with unidirectional liquid drop permeability, and aims to enable the fabric to have the unidirectional liquid drop permeability and also have the characteristics of rapid dehydration, oil resistance and rapid thermal conductivity.
The above purpose is realized by the following technical scheme:
a preparation method of a high-thermal-conductivity super-amphiphobic fabric with liquid drop one-way permeability comprises the following steps:
s1, soaking the fabric in an organic solvent for cleaning, cleaning and drying;
s2, soaking the dried fabric in an acetone solution containing boron nitride with the concentration of 5 to 30 g/L and alpha-ethyl cyanoacrylate with the concentration of 2 to 12g/L, and drying after soaking; wherein the particle size of the used boron nitride micro-nano particles is 2 mu m.
S3, repeatedly soaking the fabric in the cationic polyelectrolyte solution and the anionic polyelectrolyte solution; preferably 5 times, and the specific sequence is cationic polyelectrolyte solution-anionic polyelectrolyte solution-cationic polyelectrolyte solution. Wherein the cationic polyelectrolyte solution is polydiallyldimethylammonium chloride solution, polyethyleneimine solution, chitosan solution or polyacrylamide hydrochloride solution, the anionic polyelectrolyte solution is sodium polystyrene sulfonate solution or sodium alginate solution, the concentrations of the cationic polyelectrolyte solution and the anionic polyelectrolyte solution are (1 to 3) mg/ml, and both the cationic polyelectrolyte solution and the anionic polyelectrolyte solution contain sodium chloride with the concentration of (0.5 to 1.2) mol/L, preferably, the fabric is washed by plasma water for one minute before the cationic polyelectrolyte solution and the soaking;
s4, soaking the fabric in perfluorooctanoic acid ethanol solution, and drying after soaking;
s5, covering a mask with a hole array on one side of the fabric and irradiating the fabric with ultraviolet light; the wavelength is less than or equal to 254nm when the lamp is irradiated, the irradiation time is 30 to 45min when the lamp is irradiated at 180W, and about 4 hours are required when the lamp is irradiated at 40 to 60W.
Drawings
Fig. 1 is a schematic structural diagram of a high thermal conductivity super-amphiphobic fabric with liquid drop unidirectional permeability prepared in example 1.
FIG. 2 is a schematic diagram of the wettability of the super-amphiphobic fabric with high thermal conductivity and liquid drop unidirectional permeability prepared in example 2 and the process of liquid drop unidirectional permeability;
fig. 3 is a scanning electron microscope image of the high thermal conductivity super-amphiphobic fabric with liquid drop unidirectional permeability prepared in example 3.
Detailed Description
Example 1:
a preparation method of a high-thermal-conductivity super-amphiphobic fabric with liquid drop one-way permeability comprises the following steps:
step 1, soaking white or colored knitted or woven cotton fabric in organic solution, washing for 5-20 min (preferably for 15min) by ultrasonic oscillation, and drying at 80 ℃ in an air circulation drying oven; wherein the organic solution is high-polarity solution such as ethylene glycol, methanol and/or deionized water, preferably mixed solution of ethanol and acetone;
step 2, soaking the dried fabric in an acetone solution containing boron nitride and alpha-ethyl cyanoacrylate, wherein the concentration of the boron nitride is 12g/L, the concentration of the alpha-ethyl cyanoacrylate is 5g/L, and taking out and drying the fabric after ultrasonic oscillation is carried out for 5 to 20min (preferably 10 min);
step 3, repeatedly soaking the fabric in the poly (diallyldimethylammonium chloride) solution and the sodium polystyrene sulfonate solution for 5 times in sequence, preferably washing the fabric with plasma water for one minute before soaking the poly (diallyldimethylammonium chloride) solution each time;
step 4, soaking the fabric treated in the step 3 in 0.1mol/l perfluorooctanoic acid ethanol solution;
and 5, taking out the fabric treated in the step 4, drying the fabric in an air circulation drying oven at 60-120 ℃ (preferably 80 ℃) for 5-15 minutes (preferably 15 minutes), covering a mask with a hole array with the diameter of less than or equal to 3mm (preferably 2mm) and the distance of more than or equal to 1.5mm (preferably 10mm) on one surface of the fabric, and irradiating the mask with ultraviolet light of 254nm and 180W for 45 minutes to finally obtain the high-heat-conduction super-amphiphobic fabric with the liquid drop one-way permeability, wherein the single-way permeability effect with the optimal value is adopted in the step.
The particle size of the used boron nitride micro-nano particles is 2 micrometers;
the concentrations of the cation polyelectrolyte solution and the anion polyelectrolyte solution are both 1mg/ml, and both contain 1mol/L sodium chloride;
as shown in fig. 1, the fabric surface exhibits gradient wettability in the thickness direction at the portion irradiated with ultraviolet light, and exhibits super-amphiphobicity as a whole although the surface is super-hydrophilic and super-oleophobic at the irradiated point.
Example 2:
combining with the example 1, the poly (diallyldimethylammonium chloride) solution in the step 3 is replaced by a polyethyleneimine solution.
The ultraviolet irradiation time of 180W in step 5 was replaced by 30min from 45 min.
As shown in fig. 2, the reverse side and the front side of the fabric prepared in this example both have the amphiphobic property, and after the fabric is taken out of water, only the points irradiated by ultraviolet light on the front side are adhered with water drops, and the water drops can be thrown away. Fig. 2c shows the dynamic process of one-way liquid drop transmission, and it can be seen that the liquid drops are not flattened on the surface after one-way transmission through the fabric, but automatically slide off the fabric surface when the liquid drops accumulate to a certain size.
Example 3:
in combination with example 1, the 180W UV light in step 5 was irradiated for 30 min.
As shown in fig. 3, it can be seen from the electron microscope images of the front side illumination point, the front side mask covered part and the back side of the fabric prepared in this example that the boron nitride particles are uniformly distributed on the fabric fibers, so that the overall thermal conductivity of the fabric is improved.
This application adopts polyelectrolyte strategy of equipment layer upon layer, makes the fabric possess super amphiphobic characteristic through combining fluorine-containing ion to illumination makes through behind the cover mask:
(1) not only can prevent the outside from being soaked by water, but also has double-sided oil resistance, can prevent various oils from polluting fabrics, and is easy to clean.
(2) Compared with the common Janus fabric, sweat or water transported from the inner side to the outer side can be quickly removed instead of being directly absorbed by the outer side, the lighter weight of the fabric is kept, and the speed of liquid drop permeation is not influenced.
(3) Compared with the existing commercial fabric, the fabric has the advantages that the heat dissipation is faster due to the addition of the boron nitride particles with good heat conductivity, and the function of unidirectional sweat conveying is combined, so that the temperature of a person can be rapidly reduced after the person moves.
(4) The preparation process disclosed by the invention is simple to operate, has low requirements on factors such as environment and equipment, is good in repeatability, and is suitable for large-scale production.

Claims (10)

1. A preparation method of a high-thermal-conductivity super-amphiphobic fabric with liquid drop one-way permeability is characterized by comprising the following steps:
s1, soaking the fabric in an organic solvent for cleaning to clean;
s2, soaking the dried fabric in acetone solution containing boron nitride and alpha-ethyl cyanoacrylate;
s3, repeatedly soaking the fabric in the cationic polyelectrolyte solution and the anionic polyelectrolyte solution;
s4, soaking the fabric in perfluorooctanoic acid ethanol solution;
s5, covering a mask with a hole array on one side of the fabric and irradiating ultraviolet light.
2. The method of claim 1, wherein the fabric is cotton fabric.
3. The preparation method according to claim 1, wherein the mass concentration of the boron nitride is 12g/L, and the mass concentration of the ethyl α -cyanoacrylate is 5 g/L.
4. The method according to any one of claims 1 to 3, wherein in S3, the fabric is soaked in the polyelectrolyte solution in a sequence of cationic polyelectrolyte solution-anionic polyelectrolyte solution-cationic polyelectrolyte solution.
5. The method according to claim 4, wherein the cationic polyelectrolyte solution is a polydiallyldimethylammonium chloride solution or a polyethyleneimine solution, and the anionic polyelectrolyte solution is a sodium polystyrene sulfonate solution.
6. The method according to claim 5 or 1, wherein the concentrations of the anionic polyelectrolyte solution and the cationic polyelectrolyte solution are each 1mg/ml, and the solutions each contain sodium chloride at a concentration of 1 mol/L.
7. The method according to claim 1, wherein the concentration of the perfluorooctanoic acid solution is 0.1 mol/L.
8. The method according to claim 1, wherein the mask has holes with a diameter of 2mm and a pitch of 10 mm.
9. The preparation method according to claim 1, wherein the ultraviolet light is generated by an ultraviolet lamp with a wavelength of 254nm and a wavelength of 180W, and the irradiation time is 30-45 min.
10. The method of claim 1, wherein the soaking is performed by ultrasonic vibration.
CN202210134283.3A 2022-02-14 2022-02-14 Preparation method of high-thermal-conductivity super-amphiphobic fabric with liquid drop one-way permeability Active CN114457586B (en)

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Publication number Priority date Publication date Assignee Title
CN105938300A (en) * 2016-04-27 2016-09-14 浙江工业大学 Preparation method and equipment of gradient wetted surface for achieving self-driving of liquid drops
CN106167991A (en) * 2016-06-23 2016-11-30 苏州蓝锐纳米科技有限公司 For preparing the production method of the coating solution of super-double-hydrophobic surface, the fabric with super-double-hydrophobic surface and multifunctional fabric
CN110656499A (en) * 2019-11-12 2020-01-07 苏州大学 Preparation method and application of double-sided oleophobic super-hydrophobic-super-hydrophilic Janus type material
CN113564918A (en) * 2021-07-05 2021-10-29 东莞理工学院 Janus fabric with liquid drop one-way permeability and preparation method thereof
CN113774655A (en) * 2021-09-16 2021-12-10 齐鲁工业大学 Full-water-based super-hydrophobic coating with reversible wettability as well as preparation method and application thereof

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CN105938300A (en) * 2016-04-27 2016-09-14 浙江工业大学 Preparation method and equipment of gradient wetted surface for achieving self-driving of liquid drops
CN106167991A (en) * 2016-06-23 2016-11-30 苏州蓝锐纳米科技有限公司 For preparing the production method of the coating solution of super-double-hydrophobic surface, the fabric with super-double-hydrophobic surface and multifunctional fabric
WO2017219610A1 (en) * 2016-06-23 2017-12-28 苏州蓝锐纳米科技有限公司 Production method for preparing coating liquid with superamphiphobic surface, fabric having superamphiphobic surface, and multifunctional fabric
CN110656499A (en) * 2019-11-12 2020-01-07 苏州大学 Preparation method and application of double-sided oleophobic super-hydrophobic-super-hydrophilic Janus type material
CN113564918A (en) * 2021-07-05 2021-10-29 东莞理工学院 Janus fabric with liquid drop one-way permeability and preparation method thereof
CN113774655A (en) * 2021-09-16 2021-12-10 齐鲁工业大学 Full-water-based super-hydrophobic coating with reversible wettability as well as preparation method and application thereof

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