CN110924194A - Preparation method of efficient photo-thermal steam conversion material - Google Patents
Preparation method of efficient photo-thermal steam conversion material Download PDFInfo
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- CN110924194A CN110924194A CN201911111136.9A CN201911111136A CN110924194A CN 110924194 A CN110924194 A CN 110924194A CN 201911111136 A CN201911111136 A CN 201911111136A CN 110924194 A CN110924194 A CN 110924194A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/52—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
- D06P1/5264—Macromolecular compounds obtained otherwise than by reactions involving only unsaturated carbon-to-carbon bonds
- D06P1/5292—Macromolecular compounds obtained otherwise than by reactions involving only unsaturated carbon-to-carbon bonds containing Si-atoms
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/14—Treatment of water, waste water, or sewage by heating by distillation or evaporation using solar energy
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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
- D06M11/68—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 phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof
- D06M11/70—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 phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof with oxides of phosphorus; with hypophosphorous, phosphorous or phosphoric acids or their salts
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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
- 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
- D06M13/192—Polycarboxylic acids; Anhydrides, halides or salts thereof
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/445—Use of auxiliary substances before, during or after dyeing or printing
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/46—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing natural macromolecular substances or derivatives thereof
- D06P1/48—Derivatives of carbohydrates
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/673—Inorganic compounds
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/58—Material containing hydroxyl groups
- D06P3/60—Natural or regenerated cellulose
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/208—Off-grid powered water treatment
- Y02A20/212—Solar-powered wastewater sewage treatment, e.g. spray evaporation
Abstract
The invention discloses a preparation method of a high-efficiency photothermal steam conversion material, which comprises the following steps: A. preparing printing paste containing a waterproof agent, carrying out dot type reverse printing on the viscose fabric, and pre-drying to obtain the waterproof agent printing viscose fabric; B. preparing 10-25g/L graphene oxide dispersion liquid, printing the front side of the waterproof agent printed viscose fabric, and then soaking and rolling in the crosslinking finishing liquid for two times; C. after rolling, pre-drying to obtain the graphene oxide printing viscose fabric; D. the method comprises the steps of immersing the graphene oxide printed viscose fabric in a reduction finishing liquid, taking out the graphene oxide printed viscose fabric, cleaning the graphene oxide printed viscose fabric with deionized water, and drying the graphene oxide printed viscose fabric to obtain the efficient photo-thermal steam conversion material.
Description
Technical Field
The invention relates to the technical field of preparation of photo-thermal seawater desalination textile materials, in particular to a preparation method of a high-efficiency photo-thermal steam conversion material.
Background
Solar energy is used as a clean energy source which can be continuously utilized, has huge development and application potentials due to the advantages of inexhaustibility, environmental protection and the like, and is widely applied to seawater evaporation, sterilization, wastewater treatment, liquid-liquid separation and power generation. In the process of natural water evaporation driven by the sun, a large amount of heat is lost, and the evaporation efficiency is reduced. In order to improve the efficiency of solar photothermal steam conversion, it becomes important to introduce a photothermal material. The photo-thermal material absorbs solar energy, converts the photo-energy into heat energy, and locally heats at a water-air interface, so that the loss of heat is reduced, and the utilization efficiency of the solar energy is improved.
Currently, the photo-thermal materials mainly used include carbon-based materials, noble metal materials and semiconductor materials. The noble metal material is expensive, the semiconductor material has relatively narrow absorption band and complex preparation process, and the carbon-based material has wide source, wider absorption band and simple preparation process, so that the carbon-based materials such as graphene, carbon nano tube, graphite, carbon black and the like are the photothermal materials with the most wide application prospect. Although patent CN107487801A discloses a method for preparing a porous charcoal sheet for realizing efficient photothermal steam conversion, the highest photothermal steam efficiency can reach 91.2%, the porous charcoal prepared by the method has high requirements on equipment, and the porous charcoal itself cannot effectively realize thermal isolation, so that an additional thermal isolation material is required. The textile has the characteristics of flexibility, reutilization, low cost and the like, has low requirements on production equipment, can realize the functions of a water channel and thermal isolation in a photo-thermal evaporation system by taking the textile as a carrier of a photo-absorber, realizes the high-efficiency conversion of photo-thermal steam, and further improves the seawater desalination efficiency.
Disclosure of Invention
The invention aims to provide a preparation method of a high-efficiency photothermal steam conversion material, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a preparation method of a high-efficiency photothermal steam conversion material comprises the following steps:
A. preparing printing paste containing a waterproof agent, carrying out dot type reverse printing on the viscose fabric, and pre-drying to obtain the waterproof agent printing viscose fabric;
B. preparing 10-25g/L graphene oxide dispersion liquid, printing the front side of the waterproof agent printed viscose fabric, and then soaking and rolling in the crosslinking finishing liquid for two times;
C. after rolling, pre-drying to obtain the graphene oxide printing viscose fabric;
D. and dipping the graphene oxide printed viscose fabric in a reduction finishing liquid, taking out, cleaning and drying by using deionized water to obtain the high-efficiency photothermal steam conversion material.
Preferably, after the dot-type reverse printing is carried out on the viscose fabric according to the step A, the viscose fabric is pre-dried at the temperature of 80-100 ℃ for 3-5min, and is baked at the temperature of 140-160 ℃ for 3-5 min. .
Preferably, the yield of the water repellent printed viscose fabric in the cross-linking finishing liquor according to step B is between 80% and 90%.
Preferably, the printed viscose fabric is pre-dried at 90-100 ℃ for 3-5min and baked at 150-160 ℃ for 3-5min after padding according to the step C.
Preferably, the graphene oxide printed viscose fabric is subjected to heat preservation for 1.5 to 2.0 hours in a reduction finishing liquid at the temperature of 80 to 90 ℃ according to the step D.
Preferably, the waterproof agent is one of polydimethylsiloxane, FG-910 type fluorine-containing water repellent finishing agent and organic silicon resin, and the printing paste comprises 10-15% of the dosage of the waterproof agent and 1.5-2.0% of the dosage of sodium alginate.
Preferably, the gram weight of the viscose fabric is 200-400g/m2。
Preferably, the B crosslinking finishing liquid comprises the following components: the dosage of the 1,2,3, 4-butanetetracarboxylic acid is 120-130g/L, and the sodium hypophosphite is 100-110 g/L.
Preferably, the composition of the D reduction finishing liquid is as follows: the reducing agent is one of sodium hydrosulfite, hydrazine hydrate and ascorbic acid, and the dosage of the reducing agent is 20-25 g/L.
Compared with the prior art, the invention has the beneficial effects that:
(1) graphene with excellent optical, thermal, electrical and mechanical properties is adopted as a photo-thermal material;
(2) the invention utilizes the principle of surface local heating, and compared with the traditional water evaporation, the loss of heat is effectively reduced;
(3) the photo-thermal material obtained by the invention can realize the timely water supply of the evaporation surface through the action of the capillary;
(4) the invention has simple operation and can realize large-scale production.
Drawings
FIG. 1 is a flow chart of the preparation of the high efficiency photothermal steam conversion material of the present invention;
FIG. 2 is a reverse view of the high efficiency photothermal steam conversion material of the present invention;
FIG. 3 is a front view of the high efficiency photothermal steam conversion material of the present invention;
FIG. 4 is a cross-sectional view of the high efficiency photothermal vapor conversion material of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a preparation method of a high-efficiency photothermal steam conversion material comprises the following steps:
A. preparing printing paste containing a waterproof agent, carrying out dot type reverse printing on the viscose fabric, and pre-drying to obtain the waterproof agent printing viscose fabric;
B. preparing 10-25g/L graphene oxide dispersion liquid, printing the front side of the waterproof agent printed viscose fabric, and then soaking and rolling in the crosslinking finishing liquid for two times;
C. after rolling, pre-drying to obtain the graphene oxide printing viscose fabric;
D. and dipping the graphene oxide printed viscose fabric in a reduction finishing liquid, taking out, cleaning and drying by using deionized water to obtain the high-efficiency photothermal steam conversion material.
When the high-efficiency photothermal steam conversion material is prepared, printing paste containing a waterproof agent is prepared firstly, dot type reverse side printing is carried out on the viscose fabric, the high-efficiency photothermal steam conversion material printed with the dot type reverse side printing is placed at 80-100 ℃ for pre-drying for 3-5min firstly, then is placed at 140-160 ℃ for baking for 3-5min to obtain the waterproof agent printing viscose fabric, then 10-25g/L graphene oxide dispersion liquid is prepared, front side printing is carried out on the waterproof agent printing viscose fabric, then the waterproof agent printing viscose fabric is soaked twice in cross-linking finishing liquid, the rolling residual rate is 80% -90%, the printing waterproof agent viscose fabric with the front side printing is placed at 90-100 ℃ for pre-drying for 3-5min firstly, then is placed at 150-160 ℃ for baking for 3-5min, and finally, dipping the graphene oxide printed viscose fabric in a reduction finishing liquid, preserving heat for 1.5-2.0h at the temperature of 80-90 ℃, taking out, washing with deionized water, and drying to obtain the efficient photo-thermal steam conversion material.
The waterproof agent adopted by the high-efficiency photothermal steam conversion material is one of polydimethylsiloxane, FG-910 type fluorine-containing water-repellent finishing agent and organic silicon resin, and the printing paste adopted by the high-efficiency photothermal steam conversion material comprises 10-15% of the dosage of the waterproof agent and 1.5-2.0% of the dosage of sodium alginate.
The gram weight of the viscose fabric on the high-efficiency photothermal steam conversion material is 200-400g/m2The dot type reverse printing is that the printing pattern is a square regularly arranged with an interval of 0.5cm at the upper, lower, left and right sides, the side length of the square is 0.5cm, the graphene oxide is multilayer graphene oxide, the diameter of the graphene oxide is 0.5-50 mu m, and the composition of the crosslinking finishing liquid is 1,2,3, 4-butylThe consumption of the alkane tetracarboxylic acid is 120-130g/L, and the sodium hypophosphite is 100-110 g/L.
The reducing finishing liquid adopted in the high-efficiency photothermal steam conversion material is composed of one of sodium hydrosulfite, hydrazine hydrate and ascorbic acid as a reducing agent, and the dosage of the reducing agent is 20-25 g/L.
Example 1:
adding 10g of polydimethylsiloxane into 90g of 1.7 mass percent sodium alginate paste, and uniformly stirring the mixture to 400g/m2The viscose fabric is subjected to dot type reverse printing, and is pre-dried for 3min at 100 ℃ and dried for 3min at 160 ℃ on a heat setting machine to obtain a waterproof agent printing viscose fabric A; dissolving 0.8g of graphene oxide in 40ml of deionized water, printing the front surface of the fabric A, and drying; dissolving 24g of 1,2,3, 4-butanetetracarboxylic acid and 20g of sodium hypophosphite in 200ml of deionized water to obtain a cross-linking finishing liquid, soaking the fabric in the cross-linking finishing liquid, carrying out two-time soaking and two-time rolling, wherein the rolling residual rate is 80%, pre-drying the fabric on a heat setting machine at 100 ℃ for 3min, and baking the fabric at 160 ℃ for 3min to obtain a graphene oxide printing viscose fabric B; dissolving 10g of sodium hydrosulfite in 500ml of tap water to prepare reduction finishing liquid, soaking the fabric B in the reduction finishing liquid, heating to 90 ℃, preserving heat for 1.5h, taking out, washing with deionized water, and drying.
Example 2:
dissolving 15g of organic silicon resin in 85g of sodium alginate paste with the mass fraction of 1.9%, uniformly stirring, and stirring for 300g/m2The viscose fabric is subjected to dot type reverse printing, and is pre-dried on a heat setting machine at 80 ℃ for 5min and is dried at 150 ℃ for 4min to obtain a waterproof agent printing viscose fabric A; dissolving 1.0g of graphene oxide in 40ml of deionized water, printing the front surface of the fabric A, and drying; dissolving 1 g, 2,3, 4-butanetetracarboxylic acid and 22g of sodium hypophosphite in 200ml of deionized water to obtain cross-linking finishing liquid, soaking the fabric in the cross-linking finishing liquid, soaking twice and rolling twice, wherein the rolling residual rate is 90%, pre-drying the fabric on a heat setting machine at 100 ℃ for 5min, and baking the fabric at 150 ℃ for 5min to obtain a graphene oxide printing viscose fabric B; adding 10g of hydrazine hydrate into 500ml of tap water to prepare a reduction finishing liquid, soaking the fabric B in the reduction finishing liquid, heating to 80 ℃, preserving heat for 2.0h, taking out, washing with deionized water, and drying.
Example 3:
dissolving 10gFG-910 type fluorine-containing water repellent finishing agent in 90g of sodium alginate paste with the mass fraction of 2.1%, uniformly stirring, and adding 200g/m of water repellent finishing agent2The viscose fabric is subjected to dot type reverse printing, and is pre-dried on a heat setting machine at 90 ℃ for 4min and is dried at 140 ℃ for 5min to obtain a waterproof agent printing viscose fabric A; dissolving 0.2g of graphene oxide in 20ml of deionized water, printing the front surface of the fabric A, and drying; dissolving 1 g, 2,3, 4-butanetetracarboxylic acid and 22g of sodium hypophosphite in 200ml of deionized water to obtain cross-linking finishing liquid, soaking the fabric in the cross-linking finishing liquid, soaking twice and rolling twice, wherein the rolling residual rate is 85%, pre-drying the fabric on a heat setting machine at 100 ℃ for 4min, and baking the fabric at 160 ℃ for 3min to obtain a graphene oxide printing viscose fabric B; adding 10g of ascorbic acid into 500ml of tap water to prepare a reduction finishing liquid, soaking the fabric B in the reduction finishing liquid, heating to 85 ℃, preserving heat for 1.5h, taking out, washing with deionized water, and drying.
And cutting the fabric obtained by finishing into a certain size, and testing the related indexes of the fabric.
Assembling the dried samples into a water evaporation system, and placing the water evaporation system in a place with the same light intensity (1 kW.m)-2) The water evaporation experiment was performed by irradiation under a xenon lamp, and the corresponding evaporation efficiency was calculated.
The illumination intensity is 1kW m-2The test results are shown in tables 1 and 2.
TABLE 1 Effect of finishing methods on the Evaporation Rate and Evaporation efficiency of photothermal steam conversion Material
TABLE 2 Evaporation Rate and Evaporation efficiency after 5 applications of photothermal steam conversion Material
The invention utilizes the principle of surface local heating, compared with the traditional water evaporation, the loss of heat is effectively reduced, and the photo-thermal material can realize the timely water supply of the evaporation surface through the action of a capillary tube.
The invention has the beneficial effects that:
the invention utilizes the principle of surface local heating, compared with the traditional water evaporation, the loss of heat is effectively reduced, and the photo-thermal material can realize the timely water supply of the evaporation surface through the action of a capillary tube.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A preparation method of a high-efficiency photothermal steam conversion material comprises the following steps:
A. preparing printing paste containing a waterproof agent, carrying out dot type reverse printing on the viscose fabric, and pre-drying to obtain the waterproof agent printing viscose fabric;
B. preparing 10-25g/L graphene oxide dispersion liquid, printing the front side of the waterproof agent printed viscose fabric, and then soaking and rolling in the crosslinking finishing liquid for two times;
C. after rolling, pre-drying to obtain the graphene oxide printing viscose fabric;
D. and dipping the graphene oxide printed viscose fabric in a reduction finishing liquid, taking out, cleaning and drying by using deionized water to obtain the high-efficiency photothermal steam conversion material.
2. The method for preparing a high efficiency photothermal steam conversion material according to claim 1, wherein: and B, performing dot type reverse printing on the viscose fabric according to the step A, pre-drying at 80-100 ℃ for 3-5min, and baking at 140-160 ℃ for 3-5 min.
3. The method for preparing a high efficiency photothermal steam conversion material according to claim 1, wherein: and B, printing the viscose fabric with the waterproof agent according to the step B, wherein the rolling residue rate of the viscose fabric in the crosslinking finishing liquid is 80-90%.
4. The method for preparing a high efficiency photothermal steam conversion material according to claim 1, wherein: and D, pre-drying the printed viscose fabric at 90-100 ℃ for 3-5min after rolling, and baking at 150-160 ℃ for 3-5min according to the step C.
5. The method for preparing a high efficiency photothermal steam conversion material according to claim 1, wherein: and D, preserving the heat of the graphene oxide printed viscose fabric in the reduction finishing liquid at the temperature of 80-90 ℃ for 1.5-2.0 h.
6. The method for preparing a high efficiency photothermal steam conversion material according to claim 1, wherein: the waterproof agent is one of polydimethylsiloxane, FG-910 type fluorine-containing water-repellent finishing agent and organic silicon resin, and the printing paste comprises 10-15% of the waterproof agent and 1.5-2.0% of sodium alginate.
7. The method for preparing a high efficiency photothermal steam conversion material according to claim 1, wherein: the gram weight of the viscose fabric is 200-400g/m2。
8. The method for preparing a high efficiency photothermal steam conversion material according to claim 1, wherein: the B crosslinking finishing liquid comprises the following components: the dosage of the 1,2,3, 4-butanetetracarboxylic acid is 120-130g/L, and the sodium hypophosphite is 100-110 g/L.
9. The method for preparing a high efficiency photothermal steam conversion material according to claim 1, wherein: the composition of the D reduction finishing liquid is as follows: the reducing agent is one of sodium hydrosulfite, hydrazine hydrate and ascorbic acid, and the dosage of the reducing agent is 20-25 g/L.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112853778A (en) * | 2021-01-06 | 2021-05-28 | 绍兴博利豪家纺有限公司 | Wet color-changing printing slurry, preparation process thereof and wet color-changing printing process |
| CN114541134A (en) * | 2022-02-21 | 2022-05-27 | 南通海汇科技发展有限公司 | Production method of multifunctional all-cotton woven bonding lining containing graphene |
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