CN113802388A - Ultraviolet-proof heat-resistant curtain - Google Patents
Ultraviolet-proof heat-resistant curtain Download PDFInfo
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- CN113802388A CN113802388A CN202111213450.5A CN202111213450A CN113802388A CN 113802388 A CN113802388 A CN 113802388A CN 202111213450 A CN202111213450 A CN 202111213450A CN 113802388 A CN113802388 A CN 113802388A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/18—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with two layers of different macromolecular materials
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0061—Organic fillers or organic fibrous fillers, e.g. ground leather waste, wood bark, cork powder, vegetable flour; Other organic compounding ingredients; Post-treatment with organic compounds
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/128—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with silicon polymers
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
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- D06N2209/00—Properties of the materials
- D06N2209/08—Properties of the materials having optical properties
- D06N2209/0853—Opaque
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- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/12—Permeability or impermeability properties
- D06N2209/121—Permeability to gases, adsorption
- D06N2209/123—Breathable
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- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/16—Properties of the materials having other properties
- D06N2209/1664—Releasability
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- D06N2209/00—Properties of the materials
- D06N2209/16—Properties of the materials having other properties
- D06N2209/1678—Resistive to light or to UV
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/122—Curtains
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- Chemical & Material Sciences (AREA)
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- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
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- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
The invention belongs to the field of curtains, and particularly relates to an ultraviolet-proof heat-resistant curtain, which comprises: step 1, adding microporous polyurethane particles and ethyl cellulose into anhydrous ether, and uniformly stirring to form a suspension; step 2, uniformly coating the turbid liquid on the surface of the fabric and drying to obtain a prefabricated coated fabric; step 3, adding trichloromethylsilane and the fine active carbon powder into diethyl ether, and uniformly stirring to obtain a second coating liquid; step 4, uniformly coating tetrahydrofuran on the surface of the coated fabric, and then spraying a second coating liquid to form a second liquid film to obtain a secondary coated fabric; and 5, standing the secondary coated fabric at a constant temperature for 2-4h, and then soaking, washing and drying to obtain the curtain. The invention overcomes the defects of the existing curtain, improves the whole light-tight property by utilizing the microporous structure and the opaque property of the active carbon, and ensures the whole stability by forming the fixing structure of the large frame and the small connecting frame by the trichloromethylsilane matched with the fabric.
Description
Technical Field
The invention belongs to the field of curtains, and particularly relates to an ultraviolet-proof heat-resistant curtain.
Background
The curtain is a necessary article in people's life, and it not only has the effect of shielding and protecting people's privacy, but also can shade sun, light and heat. The existing curtain is generally made of a whole piece of cloth, a hook is arranged on the curtain and is fixed on a sliding rod or a slide way above a window to be used, the general curtain has the effects of water resistance and light shading, and meanwhile, a net-shaped object arranged on the transparent plastic cloth can enable the plastic cloth to have better structural performance, strong durability and long service life, so that the curtain can resist wind, sunlight and rain. However, the current curtain has poor ultraviolet protection performance and cannot meet the current use requirements.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an ultraviolet-proof heat-resistant curtain, which overcomes the defects of the existing curtain, improves the whole light impermeability by utilizing the self microporous structure and the non-transparent characteristic of activated carbon, and ensures the whole stability by forming a fixing structure of a large frame and a small connecting frame by trichloromethylsilane matched with a fabric.
In order to achieve the technical purpose, the technical scheme of the invention is as follows:
a preparation method of an ultraviolet-proof heat-resistant curtain comprises the following steps:
step 1, adding microporous polyurethane particles and ethyl cellulose into anhydrous ether, and uniformly stirring to form a suspension; the microporous polyurethane particles are micron-sized particles with the particle size of 400-800 mu m, the mass ratio of the microporous polyurethane particles to the ethyl cellulose is 3:1-2, the concentration of the ethyl cellulose in the ether is 300-600g/L, and the stirring speed is 1000-2000 r/min;
step 2, uniformly coating the suspension on the surface of the fabric and drying to obtain a prefabricated coating fabric, wherein the coating amount of the suspension is 20-40mL/cm2, the drying temperature is 40-50 ℃, and the uniform coating adopts a small number of coating processes layer by layer;
step 3, adding trichloromethylsilane and fine activated carbon powder into ether, and uniformly stirring to obtain a second coating liquid, wherein the concentration of trichloromethylsilane in ether is 30-50g/L, the concentration of the fine activated carbon powder is 100-200g/L, and the stirring speed is 100-200 r/min;
step 4, uniformly coating tetrahydrofuran on the surface of the coated fabric, and then spraying a second coating liquid to form a second liquid film to obtain a secondary coated fabric; the coating amount of the tetrahydrofuran is 1-2mL/cm2, the total coating amount of the second coating liquid is 20-50mL/cm2, the spraying is carried out for multiple times, the spraying amount is 2-5mL/cm2 each time, and the tetrahydrofuran is kept stand and dried at 50-70 ℃ after each time of spraying;
step 5, standing the secondary coating fabric at constant temperature for 2-4h, then soaking, washing and drying to obtain the curtain, wherein the atmosphere of standing at constant temperature is a mixed atmosphere of water vapor and nitrogen, the volume ratio of the water vapor is 8-10%, and the temperature of standing at constant temperature is 100-120 ℃; the soaking is performed by using absolute ethyl alcohol, the washing is performed by using ultrasonic washing, the washing temperature is 30-50 ℃, the ultrasonic frequency is 50-90kHz, and the drying temperature is 120-150 ℃.
The activated carbon has good micropore characteristics, can keep good air permeability, has good adsorption and can adsorb gas, but the activated carbon does not have good antibacterial property; in order to solve the problem, the modification treatment is carried out on multiple activated carbons, the activated carbons adopt titanium dioxide modified activated carbon fine powder, and the preparation method of the titanium dioxide modified activated carbon fine powder comprises the following steps: a1, adding titanium isopropoxide into isopropanol, and continuously stirring to form titanium alkoxide solution, wherein the concentration of the titanium isopropoxide in the titanium alkoxide solution is 100-200 g/L; a2, adding the fine active carbon powder into the titanium alcohol solution, continuously stirring, and carrying out wet ball milling treatment for 2-3h to obtain slurry; the concentration of the active carbon fine powder is 300-400g/L, the pressure of the wet ball milling is 0.9-1.2MPa, and the temperature is 10-20 ℃; 3, filtering and drying the slurry to obtain fine powder, standing at a constant temperature for 2-4h, and drying again to obtain titanium dioxide modified activated carbon fine powder, wherein the drying temperature is 90-100 ℃, the standing temperature at the constant temperature is 90-100 ℃, the standing atmosphere is that the volume ratio of nitrogen to water vapor is 9-11:1, and the drying temperature at the second time is 100-.
In order to ensure that the fabric forms stable adsorbability, the fabric is a polyester fiber, polyamide fiber and cotton fiber blended porous fabric; the mass ratio of the polyester fiber, the nylon fiber and the cotton fiber is 30-40:30-50:20-30, and the blending method of the fabric comprises the following steps of b1, blending the polyester fiber, the nylon fiber, the ethylcellulose fiber and the cotton fiber to form a monofilament, wherein the mass of the cotton fiber of the ethylcellulose fiber is 30-50%; b2, weaving the monofilaments to form a fabric grey cloth, then soaking the fabric grey cloth in absolute ethyl alcohol, stirring for 20-40min, taking out and drying to obtain the porous fabric. Porous structure's fabric can form the pore structure, ensures that micropore polyurethane and trichloromethyl silane enter into to the surface fabric monofilament in, improves the cohesiveness for follow-up coating film, and the spraying effect is better when tetrahydrofuran's formation swelling structure simultaneously, helps forming stable inside and outside fixed knot to construct, promotes the stable connection between coating film layer and surface fabric.
The invention also provides the curtain prepared by the method.
From the above description, it can be seen that the present invention has the following advantages:
1. the invention overcomes the defects of the existing curtain, improves the whole light-tight property by utilizing the microporous structure and the opaque property of the active carbon, and ensures the whole stability by forming the fixing structure of the large frame and the small connecting frame by the trichloromethylsilane matched with the fabric.
2. According to the invention, a swelling system is formed by utilizing tetrahydrofuran, and a mutual permeation structure is formed by matching with the solubility of tetrahydrofuran to trichloromethylsilane and ethylcellulose, and meanwhile, in the product structure, trichloromethylsilane is used as an anchoring permeation structure to stably connect the activated carbon film layer with the fabric, so that the problem of demoulding is reduced.
3. According to the invention, the activated carbon is uniformly separated and fixed by utilizing the three-dimensional structure formed by the methyltrichlorosilane, an activated carbon system paved layer by layer is formed, and meanwhile, the air permeability of the three-dimensional structure is ensured by the porous system of the activated carbon system while the activated carbon fine powder is used as a filler.
Detailed Description
A specific embodiment of the present invention will be described in detail with reference to examples, but the present invention is not limited to the claims.
Example 1
Ultraviolet-proof heat-resistant curtain
The preparation method comprises the following steps:
step 1, adding microporous polyurethane particles and ethyl cellulose into anhydrous ether, and uniformly stirring to form a suspension; the microporous polyurethane particles are micron-sized particles with the particle size of 400 mu m, the mass ratio of the microporous polyurethane particles to the ethyl cellulose is 3:1, the concentration of the ethyl cellulose in ether is 300g/L, and the stirring speed is 1000 r/min;
step 2, uniformly coating the turbid liquid on the surface of the fabric and drying to obtain the prefabricated coated fabric, wherein the coating amount of the turbid liquid is 20mL/cm2The drying temperature is 40 ℃, and the uniform coating adopts a small quantity of multiple coating layers;
step 3, adding trichloromethylsilane and fine activated carbon powder into diethyl ether, and uniformly stirring to obtain a second coating liquid, wherein the concentration of trichloromethylsilane in the diethyl ether is 30g/L, the concentration of the fine activated carbon powder is 100g/L, and the stirring speed is 100 r/min;
step 4, uniformly coating tetrahydrofuran on the surface of the coated fabric, and then spraying a second coating liquid to form a second liquid film to obtain a secondary coated fabric; the coating amount of the tetrahydrofuran was 1mL/cm2The total coating amount of the second coating liquid is 20mL/cm2And the spraying adopts multiple spraying, and the spraying amount is 2mL/cm2Standing and drying at 50 ℃ after each spraying;
step 5, standing the secondary coated fabric at constant temperature for 2 hours, then soaking, washing and drying to obtain the curtain, wherein the atmosphere of standing at constant temperature is a mixed atmosphere of water vapor and nitrogen, the volume ratio of the water vapor is 8%, and the temperature of standing at constant temperature is 100 ℃; the soaking is performed by using absolute ethyl alcohol, the washing is performed by using ultrasonic washing, the washing temperature is 30 ℃, the ultrasonic frequency is 50kHz, and the drying temperature is 120 ℃.
The curtain prepared by the embodiment has the ultraviolet transmittance of 2.65 percent and the UPF of 40+, and has good air permeability and moderate flexibility.
Example 2
Ultraviolet-proof heat-resistant curtain
The preparation method comprises the following steps:
step 1, adding microporous polyurethane particles and ethyl cellulose into anhydrous ether, and uniformly stirring to form a suspension; the microporous polyurethane particles are micron-sized particles, the particle size of the microporous polyurethane particles is 800 micrometers, the mass ratio of the microporous polyurethane particles to the ethyl cellulose is 3:2, the concentration of the ethyl cellulose in ether is 600g/L, and the stirring speed is 2000 r/min;
step 2, uniformly coating the turbid liquid on the surface of the fabric and drying to obtain the prefabricated coated fabric, wherein the coating amount of the turbid liquid is 40mL/cm2The drying temperature is 50 ℃, and the uniform coating adopts a small quantity of multiple coating layers;
step 3, adding trichloromethylsilane and fine activated carbon powder into diethyl ether, and uniformly stirring to obtain a second coating liquid, wherein the concentration of trichloromethylsilane in the diethyl ether is 50g/L, the concentration of the fine activated carbon powder is 200g/L, and the stirring speed is 200 r/min;
step 4, uniformly coating tetrahydrofuran on the surface of the coated fabric, and then spraying a second coating liquid to form a second liquid film to obtain a secondary coated fabric; the coating amount of the tetrahydrofuran was 2mL/cm2The total coating amount of the second coating liquid is 50mL/cm2And the spraying adopts multiple spraying, and the spraying amount is 5mL/cm2Standing and drying at 70 ℃ after each spraying;
step 5, standing the secondary coated fabric at constant temperature for 4 hours, then soaking, washing and drying to obtain the curtain, wherein the atmosphere of standing at constant temperature is a mixed atmosphere of water vapor and nitrogen, the volume ratio of the water vapor is 10%, and the temperature of standing at constant temperature is 120 ℃; the soaking is performed by using absolute ethyl alcohol, the washing is performed by using ultrasonic washing, the washing temperature is 50 ℃, the ultrasonic frequency is 90kHz, and the drying temperature is 150 ℃.
The curtain prepared by the embodiment has the ultraviolet transmittance of 1.92 percent and the UPF of 40+, and has good air permeability and moderate flexibility.
Example 3
Ultraviolet-proof heat-resistant curtain
The preparation method comprises the following steps:
step 1, adding microporous polyurethane particles and ethyl cellulose into anhydrous ether, and uniformly stirring to form a suspension; the microporous polyurethane particles are micron-sized particles with the particle size of 600 mu m, the mass ratio of the microporous polyurethane particles to the ethyl cellulose is 3:2, the concentration of the ethyl cellulose in ether is 500g/L, and the stirring speed is 1500 r/min;
step 2, uniformly coating the turbid liquid on the surface of the fabric and drying to obtain the prefabricated coated fabric, wherein the coating amount of the turbid liquid is 30mL/cm2The drying temperature is 45 ℃, and the uniform coating adopts a small quantity of multiple coating layers;
step 3, adding trichloromethylsilane and fine activated carbon powder into diethyl ether, and uniformly stirring to obtain a second coating liquid, wherein the concentration of trichloromethylsilane in the diethyl ether is 40g/L, the concentration of the fine activated carbon powder is 150g/L, and the stirring speed is 150 r/min;
step 4, uniformly coating tetrahydrofuran on the surface of the coated fabric, and then spraying a second coating liquid to form a second liquid film to obtain a secondary coated fabric; the coating amount of the tetrahydrofuran was 2mL/cm2The total coating amount of the second coating liquid is 40mL/cm2And the spraying adopts multiple spraying, and the spraying amount is 4mL/cm2Standing and drying at 60 ℃ after each spraying;
step 5, standing the secondary coated fabric at constant temperature for 3 hours, then soaking, washing and drying to obtain the curtain, wherein the atmosphere of standing at constant temperature is a mixed atmosphere of water vapor and nitrogen, the volume ratio of the water vapor is 9%, and the temperature of standing at constant temperature is 110 ℃; the soaking is performed by using absolute ethyl alcohol, the washing is performed by using ultrasonic washing, the washing temperature is 40 ℃, the ultrasonic frequency is 70kHz, and the drying temperature is 130 ℃.
The curtain prepared by the embodiment has the ultraviolet transmittance of 2.17 percent and the UPF of 40+, and has good air permeability and moderate flexibility.
Example 4
Ultraviolet-proof heat-resistant curtain
The preparation method comprises the following steps:
step 1, adding microporous polyurethane particles and ethyl cellulose into anhydrous ether, and uniformly stirring to form a suspension; the microporous polyurethane particles are micron-sized particles with the particle size of 400 mu m, the mass ratio of the microporous polyurethane particles to the ethyl cellulose is 3:1, the concentration of the ethyl cellulose in ether is 300g/L, and the stirring speed is 1000 r/min;
step 2, uniformly coating the turbid liquid on the surface of the fabric and drying to obtain the prefabricated coated fabric, wherein the coating amount of the turbid liquid is 20mL/cm2The drying temperature is 40 ℃, and the uniform coating adopts a small quantity of multiple coating layers; the fabric is a porous fabric blended by polyester fibers, polyamide fibers and cotton fibers; the mass ratio of the polyester fiber to the nylon fiber to the cotton fiber is 3:3:2, and the blending method of the fabric comprises the following steps of b1, blending the polyester fiber, the nylon fiber, the ethylcellulose fiber and the cotton fiber to form a monofilament, wherein the mass of the cotton fiber of the ethylcellulose fiber is 30%; b2, weaving the monofilaments to form a fabric grey cloth, then soaking the fabric grey cloth in absolute ethyl alcohol, stirring for 20min, taking out and drying to obtain a porous fabric;
step 3, adding trichloromethylsilane and fine activated carbon powder into diethyl ether, and uniformly stirring to obtain a second coating liquid, wherein the concentration of trichloromethylsilane in the diethyl ether is 30g/L, the concentration of the fine activated carbon powder is 100g/L, and the stirring speed is 100 r/min; the active carbon adopts titanium dioxide modified active carbon fine powder, and the preparation method of the titanium dioxide modified active carbon fine powder comprises the following steps: a1, adding titanium isopropoxide into isopropanol, and continuously stirring to form titanium alkoxide solution, wherein the concentration of the titanium isopropoxide in the titanium alkoxide solution is 100 g/L; a2, adding the fine active carbon powder into the titanium alcohol solution, continuously stirring, and carrying out wet ball milling treatment for 2 hours to obtain slurry; the concentration of the active carbon fine powder is 300g/L, the pressure of wet ball milling is 0.9MPa, and the temperature is 10 ℃; a3, filtering and drying the slurry to obtain fine powder, standing at a constant temperature for 2 hours, and drying for the second time to obtain titanium dioxide modified activated carbon fine powder, wherein the drying temperature is 90 ℃, the standing temperature at the constant temperature is 90 ℃, the standing atmosphere is that the volume ratio of nitrogen to water vapor is 9:1, and the drying temperature for the second time is 100 ℃;
step 4, uniformly coating tetrahydrofuran on the surface of the coated fabric, and then spraying a second coating liquid to form a second liquid film to obtain a secondary coated fabric; the coating amount of the tetrahydrofuran was 1mL/cm2The total coating amount of the second coating liquid is 20mL/cm2And the spraying adopts multiple spraying, and the spraying amount is 2mL/cm2Standing and drying at 50 ℃ after each spraying;
step 5, standing the secondary coated fabric at constant temperature for 2 hours, then soaking, washing and drying to obtain the curtain, wherein the atmosphere of standing at constant temperature is a mixed atmosphere of water vapor and nitrogen, the volume ratio of the water vapor is 8%, and the temperature of standing at constant temperature is 100 ℃; the soaking is performed by using absolute ethyl alcohol, the washing is performed by using ultrasonic washing, the washing temperature is 30 ℃, the ultrasonic frequency is 50kHz, and the drying temperature is 120 ℃.
The curtain prepared by the embodiment has the ultraviolet transmittance of 2.42 percent, the UPF of 40 plus and the antibacterial rate of more than 99.9 percent, good air permeability and moderate flexibility.
Example 5
Ultraviolet-proof heat-resistant curtain
The preparation method comprises the following steps:
step 1, adding microporous polyurethane particles and ethyl cellulose into anhydrous ether, and uniformly stirring to form a suspension; the microporous polyurethane particles are micron-sized particles, the particle size of the microporous polyurethane particles is 800 micrometers, the mass ratio of the microporous polyurethane particles to the ethyl cellulose is 3:2, the concentration of the ethyl cellulose in ether is 600g/L, and the stirring speed is 2000 r/min;
step 2, uniformly coating the suspensionCoating the suspension on the surface of the fabric and drying to obtain the prefabricated coated fabric, wherein the coating amount of the suspension is 40mL/cm2The drying temperature is 50 ℃, and the uniform coating adopts a small quantity of multiple coating layers; the fabric is a porous fabric blended by polyester fibers, polyamide fibers and cotton fibers; the mass ratio of the polyester fiber, the nylon fiber and the cotton fiber is 4:5:3, and the blending method of the fabric comprises the following steps of b1, blending the polyester fiber, the nylon fiber, the ethylcellulose fiber and the cotton fiber to form a monofilament, wherein the mass of the cotton fiber of the ethylcellulose fiber is 50%; b2, weaving the monofilaments to form a fabric grey cloth, then soaking the fabric grey cloth in absolute ethyl alcohol, stirring for 40min, taking out and drying to obtain a porous fabric;
step 3, adding trichloromethylsilane and fine activated carbon powder into diethyl ether, and uniformly stirring to obtain a second coating liquid, wherein the concentration of trichloromethylsilane in the diethyl ether is 50g/L, the concentration of the fine activated carbon powder is 200g/L, and the stirring speed is 200 r/min; the active carbon adopts titanium dioxide modified active carbon fine powder, and the preparation method of the titanium dioxide modified active carbon fine powder comprises the following steps: a1, adding titanium isopropoxide into isopropanol, and continuously stirring to form titanium alkoxide solution, wherein the concentration of the titanium isopropoxide in the titanium alkoxide solution is 200 g/L; a2, adding the fine active carbon powder into the titanium alcohol solution, continuously stirring, and carrying out wet ball milling treatment for 3 hours to obtain slurry; the concentration of the active carbon fine powder is 400g/L, the pressure of wet ball milling is 1.2MPa, and the temperature is 20 ℃; a3, filtering and drying the slurry to obtain fine powder, standing at a constant temperature for 4 hours, and drying again to obtain titanium dioxide modified activated carbon fine powder, wherein the drying temperature is 100 ℃, the constant-temperature standing temperature is 100 ℃, the standing atmosphere is that the volume ratio of nitrogen to water vapor is 11:1, and the secondary drying temperature is 120 ℃;
step 4, uniformly coating tetrahydrofuran on the surface of the coated fabric, and then spraying a second coating liquid to form a second liquid film to obtain a secondary coated fabric; the coating amount of the tetrahydrofuran was 2mL/cm2The total coating amount of the second coating liquid is 50mL/cm2And the spraying adopts multiple spraying, and the spraying amount is 5mL/cm2Standing and drying at 70 ℃ after each spraying;
step 5, standing the secondary coated fabric at constant temperature for 4 hours, then soaking, washing and drying to obtain the curtain, wherein the atmosphere of standing at constant temperature is a mixed atmosphere of water vapor and nitrogen, the volume ratio of the water vapor is 10%, and the temperature of standing at constant temperature is 120 ℃; the soaking is performed by using absolute ethyl alcohol, the washing is performed by using ultrasonic washing, the washing temperature is 50 ℃, the ultrasonic frequency is 90kHz, and the drying temperature is 150 ℃.
The curtain prepared by the embodiment has the ultraviolet transmittance of 1.82%, the UPF of 40+, the antibacterial rate of more than 99.9%, good air permeability and moderate flexibility.
Example 6
Ultraviolet-proof heat-resistant curtain
The preparation method comprises the following steps:
step 1, adding microporous polyurethane particles and ethyl cellulose into anhydrous ether, and uniformly stirring to form a suspension; the microporous polyurethane particles are micron-sized particles with the particle size of 600 mu m, the mass ratio of the microporous polyurethane particles to the ethyl cellulose is 3:2, the concentration of the ethyl cellulose in ether is 500g/L, and the stirring speed is 1500 r/min;
step 2, uniformly coating the turbid liquid on the surface of the fabric and drying to obtain the prefabricated coated fabric, wherein the coating amount of the turbid liquid is 30mL/cm2The drying temperature is 45 ℃, and the uniform coating adopts a small quantity of multiple coating layers; the fabric is a porous fabric blended by polyester fibers, polyamide fibers and cotton fibers; the mass ratio of the polyester fiber to the nylon fiber to the cotton fiber is 35:45:22, and the blending method of the fabric comprises the following steps of b1, blending the polyester fiber, the nylon fiber, the ethylcellulose fiber and the cotton fiber to form a monofilament, wherein the mass of the cotton fiber of the ethylcellulose fiber is 40%; b2, weaving the monofilaments to form a fabric grey cloth, then soaking the fabric grey cloth in absolute ethyl alcohol, stirring for 30min, taking out and drying to obtain a porous fabric;
step 3, adding trichloromethylsilane and fine activated carbon powder into diethyl ether, and uniformly stirring to obtain a second coating liquid, wherein the concentration of trichloromethylsilane in the diethyl ether is 40g/L, the concentration of the fine activated carbon powder is 150g/L, and the stirring speed is 150 r/min; the active carbon adopts titanium dioxide modified active carbon fine powder, and the preparation method of the titanium dioxide modified active carbon fine powder comprises the following steps: a1, adding titanium isopropoxide into isopropanol, and continuously stirring to form titanium alkoxide solution, wherein the concentration of the titanium isopropoxide in the titanium alkoxide solution is 150 g/L; a2, adding the fine active carbon powder into the titanium alcohol solution, continuously stirring, and carrying out wet ball milling treatment for 3 hours to obtain slurry; the concentration of the active carbon fine powder is 350g/L, the pressure of wet ball milling is 1.1MPa, and the temperature is 15 ℃; a3, filtering and drying the slurry to obtain fine powder, standing at a constant temperature for 3 hours, and drying again to obtain titanium dioxide modified activated carbon fine powder, wherein the drying temperature is 95 ℃, the standing temperature at the constant temperature is 95 ℃, the standing atmosphere is that the volume ratio of nitrogen to water vapor is 10:1, and the drying temperature at the second time is 110 ℃;
step 4, uniformly coating tetrahydrofuran on the surface of the coated fabric, and then spraying a second coating liquid to form a second liquid film to obtain a secondary coated fabric; the coating amount of the tetrahydrofuran was 2mL/cm2The total coating amount of the second coating liquid is 40mL/cm2And the spraying adopts multiple spraying, and the spraying amount is 4mL/cm2Standing and drying at 60 ℃ after each spraying;
step 5, standing the secondary coated fabric at constant temperature for 3 hours, then soaking, washing and drying to obtain the curtain, wherein the atmosphere of standing at constant temperature is a mixed atmosphere of water vapor and nitrogen, the volume ratio of the water vapor is 9%, and the temperature of standing at constant temperature is 110 ℃; the soaking is performed by using absolute ethyl alcohol, the washing is performed by using ultrasonic washing, the washing temperature is 40 ℃, the ultrasonic frequency is 70kHz, and the drying temperature is 130 ℃.
The curtain prepared by the embodiment has the ultraviolet transmittance of 2.05 percent, the UPF of 40 plus and the antibacterial rate of more than 99.9 percent, good air permeability and moderate flexibility.
In summary, the invention has the following advantages:
1. the invention overcomes the defects of the existing curtain, improves the whole light-tight property by utilizing the microporous structure and the opaque property of the active carbon, and ensures the whole stability by forming the fixing structure of the large frame and the small connecting frame by the trichloromethylsilane matched with the fabric.
2. According to the invention, a swelling system is formed by utilizing tetrahydrofuran, and a mutual permeation structure is formed by matching with the solubility of tetrahydrofuran to trichloromethylsilane and ethylcellulose, and meanwhile, in the product structure, trichloromethylsilane is used as an anchoring permeation structure to stably connect the activated carbon film layer with the fabric, so that the problem of demoulding is reduced.
3. According to the invention, the activated carbon is uniformly separated and fixed by utilizing the three-dimensional structure formed by the methyltrichlorosilane, an activated carbon system paved layer by layer is formed, and meanwhile, the air permeability of the three-dimensional structure is ensured by the porous system of the activated carbon system while the activated carbon fine powder is used as a filler.
It should be understood that the detailed description of the invention is merely illustrative of the invention and is not intended to limit the invention to the specific embodiments described. It will be appreciated by those skilled in the art that the present invention may be modified or substituted equally as well to achieve the same technical result; as long as the use requirements are met, the method is within the protection scope of the invention.
Claims (10)
1. A preparation method of an ultraviolet-proof heat-resistant curtain is characterized by comprising the following steps: the method comprises the following steps:
step 1, adding microporous polyurethane particles and ethyl cellulose into anhydrous ether, and uniformly stirring to form a suspension;
step 2, uniformly coating the turbid liquid on the surface of the fabric and drying to obtain a prefabricated coated fabric;
step 3, adding trichloromethylsilane and the fine active carbon powder into diethyl ether, and uniformly stirring to obtain a second coating liquid;
step 4, uniformly coating tetrahydrofuran on the surface of the coated fabric, and then spraying a second coating liquid to form a second liquid film to obtain a secondary coated fabric;
and 5, standing the secondary coated fabric at a constant temperature for 2-4h, and then soaking, washing and drying to obtain the curtain.
2. The method for preparing the ultraviolet-proof heat-resistant curtain as claimed in claim 1, wherein the microporous polyurethane particles in the step 1 are micron-sized particles with a particle size of 400-.
3. The method for preparing an ultraviolet-proof heat-resistant window curtain as claimed in claim 1, wherein the amount of the suspension in the step 2 is 20-40mL/cm2, the drying temperature is 40-50 ℃, and the uniform coating is performed by a small number of times of layer-by-layer plating.
4. The method for preparing the ultraviolet-proof heat-resistant curtain as claimed in claim 3, wherein the fabric in the step 2 is a porous fabric blended by polyester fiber, nylon fiber and cotton fiber; the mass ratio of the polyester fiber, the nylon fiber and the cotton fiber is 30-40:30-50: 20-30.
5. The method for preparing the ultraviolet-proof heat-resistant curtain as claimed in claim 1, wherein the blending method of the fabric comprises b1, blending polyester fibers, nylon fibers, ethyl cellulose fibers and cotton fibers to form monofilaments, wherein the mass of the cotton fibers of the ethyl cellulose fibers is 30-50%; b2, weaving the monofilaments to form a fabric grey cloth, then soaking the fabric grey cloth in absolute ethyl alcohol, stirring for 20-40min, taking out and drying to obtain the porous fabric.
6. The method for preparing the ultraviolet-proof heat-resistant curtain as claimed in claim 1, wherein the concentration of trichloromethylsilane in the ether in the step 3 is 30-50g/L, the concentration of the fine active carbon powder is 100-200g/L, and the stirring speed is 100-200 g/L.
7. The method for preparing an ultraviolet-proof heat-resistant window curtain as claimed in claim 1, wherein the activated carbon in the step 3 is titanium dioxide modified activated carbon fine powder.
8. The method for preparing an ultraviolet-proof heat-resistant window covering as claimed in claim 1, wherein the coating amount of tetrahydrofuran in the step 4 is 1-2mL/cm2(ii) a The total coating amount of the second coating liquid in the step 4 is 20-50mL/cm2And the spraying adopts multiple spraying, and the spraying amount is 2-5mL/cm2And standing and drying at 50-70 ℃ after each spraying.
9. The method for preparing an ultraviolet-proof heat-resistant window curtain as claimed in claim 1, wherein the atmosphere of constant temperature standing in the step 5 is a mixed atmosphere of steam and nitrogen, the volume ratio of the steam is 8-10%, and the temperature of constant temperature standing is 100-120 ℃; the soaking is performed by using absolute ethyl alcohol, the washing is performed by using ultrasonic washing, the washing temperature is 30-50 ℃, the ultrasonic frequency is 50-90kHz, and the drying temperature is 120-150 ℃.
10. An ultraviolet-resistant, heat-resistant window covering made by the method of any one of claims 1-9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111213450.5A CN113802388A (en) | 2021-10-19 | 2021-10-19 | Ultraviolet-proof heat-resistant curtain |
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| CN202111213450.5A CN113802388A (en) | 2021-10-19 | 2021-10-19 | Ultraviolet-proof heat-resistant curtain |
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| CN113802388A true CN113802388A (en) | 2021-12-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117385672A (en) * | 2023-10-27 | 2024-01-12 | 理光感热技术（无锡）有限公司 | A kind of preparation method of thermal cardboard |
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| CN110271249A (en) * | 2019-06-25 | 2019-09-24 | 浙江元正布艺有限公司 | A kind of preparation method of full shade curtain fabric |
| CN209775745U (en) * | 2019-04-10 | 2019-12-13 | 南通卓越纺织涂层有限公司 | Antibacterial purification coated fabric |
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| CN205368866U (en) * | 2016-01-08 | 2016-07-06 | 绍兴市必固纺织品有限公司 | Fire -retardant anti ultraviolet anti -bacterial fabric |
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Application publication date: 20211217 |