CN113954454B - Single-component high-temperature-resistant nano material window shade - Google Patents

Single-component high-temperature-resistant nano material window shade Download PDF

Info

Publication number
CN113954454B
CN113954454B CN202111191091.8A CN202111191091A CN113954454B CN 113954454 B CN113954454 B CN 113954454B CN 202111191091 A CN202111191091 A CN 202111191091A CN 113954454 B CN113954454 B CN 113954454B
Authority
CN
China
Prior art keywords
temperature
film
tetrahydrofuran
window shade
polyurethane
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202111191091.8A
Other languages
Chinese (zh)
Other versions
CN113954454A (en
Inventor
王鑫海
张�杰
伍小红
倪海峰
杜亮
毛新建
王路
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Aimanshi Smart Home Co ltd
Original Assignee
Zhejiang Aimanshi Smart Home Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Aimanshi Smart Home Co ltd filed Critical Zhejiang Aimanshi Smart Home Co ltd
Priority to CN202111191091.8A priority Critical patent/CN113954454B/en
Publication of CN113954454A publication Critical patent/CN113954454A/en
Application granted granted Critical
Publication of CN113954454B publication Critical patent/CN113954454B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47H—FURNISHINGS FOR WINDOWS OR DOORS
    • A47H23/00—Curtains; Draperies
    • A47H23/02—Shapes of curtains; Selection of particular materials for curtains
    • A47H23/08—Selection of particular materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/36—After-treatment
    • C08J9/365—Coating
    • 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
    • D06M13/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms
    • D06M13/503—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms without bond between a carbon atom and a metal or a boron, silicon, selenium or tellurium atom
    • D06M13/507—Organic silicon compounds without carbon-silicon bond
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/06—Vegetal fibres
    • B32B2262/062—Cellulose fibres, e.g. cotton
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/06—Vegetal fibres
    • B32B2262/062—Cellulose fibres, e.g. cotton
    • B32B2262/065—Lignocellulosic fibres, e.g. jute, sisal, hemp, flax, bamboo
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/08—Animal fibres, e.g. hair, wool, silk
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/41—Opaque
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
    • B32B2307/7145—Rot proof, resistant to bacteria, mildew, mould, fungi
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2601/00—Upholstery
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • 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
    • 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
    • D06M2101/10—Animal fibres
    • 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
    • D06M2101/16—Synthetic fibres, other than mineral fibres
    • D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/32—Polyesters
    • 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
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25—Greenhouse technology, e.g. cooling systems therefor

Abstract

The invention belongs to the field of curtains, and in particular relates to a single-component high-temperature-resistant nano-material window shade which comprises a window shade fabric and a window shade film; the light shielding film is a polyurethane-based film, and silicon dioxide and titanium dioxide are arranged in the light shielding film. The invention solves the metal defect of the existing curtain, utilizes the characteristics of the folded and pressed polyurethane micropores to form a ventilation shading effect, and simultaneously, the silicon dioxide and the titanium dioxide promote light reaction and reduce the light transmittance of the micropores.

Description

Single-component high-temperature-resistant nano material window shade
Technical Field
The invention belongs to the field of curtains, and particularly relates to a window shade of a single-component high-temperature-resistant nano material.
Background
The light-shading curtain is formed by changing opaque or thickened fabrics on the basis of the traditional curtain, so that the light is basically controlled, the light-shading effect is realized, and the basic requirements of partial places can be met. The demands of most sites on window coverings are continually increasing.
Many window coverings exist that are woven products formed from multiple coats or with black shade threads in between. The shading effect of the shading curtains is not ideal, the heat insulation and noise reduction effects are poor, the appearance quality is not high, the appearance quality is thick and heavy, the cost is high, and the current requirements of the curtains cannot be met.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the single-component high-temperature-resistant nano-material window shade which solves the metal defects of the existing window shade, and utilizes the characteristics of folded and pressed polyurethane micropores to form a ventilation and shading effect, and meanwhile, silicon dioxide and titanium dioxide promote light reflection and reduce the light transmittance of micropores.
In order to achieve the technical purpose, the technical scheme of the invention is as follows:
a window shade of single-component high-temperature resistant nano material comprises a window shade fabric and a window shade film; the light shielding film is a polyurethane-based film, and silicon dioxide and titanium dioxide are arranged in the light shielding film.
The polyurethane-based film comprises the following components in percentage by mass: 40-50 parts of microporous polyurethane particles, 8-14 parts of titanium isopropoxide and 5-10 parts of ethyl silicate. The particle size of the microporous polyurethane particles is 500-900nm.
The preparation method of the polyurethane-based film comprises the following steps: a1, adding titanium isopropoxide and ethyl silicate into anhydrous diethyl ether, and uniformly stirring to form a mixed solution; the concentration of the titanium isopropoxide in the anhydrous diethyl ether is 100-200g/L, and the stirring speed is 1000-2000r/min; a2, placing the microporous polyurethane particles into the mixed solution for ultrasonic treatment for 20-50min to obtain suspension, then slowly adding tetrahydrofuran, sealing and stirring for 2-4h to obtain prefabricated slurry; the temperature of the ultrasonic wave is 5-10 ℃, the ultrasonic frequency is 50-80kHz, the adding volume of the tetrahydrofuran is consistent with the volume of the anhydrous diethyl ether, the adding speed of the tetrahydrofuran is 5-10mL/min, the temperature of the sealed stirring is 10-20 ℃, and the stirring speed is 1000-2000r/min; a3, standing the prefabricated slurry at a constant temperature for 2-5 hours to form semi-dry slurry; then placing the mixture into a calender for constant temperature drying, and performing constant temperature calendering to form a base film; the constant-temperature standing temperature is 50-60 ℃, the solvent volatilized by standing is recovered and separated to obtain anhydrous diethyl ether and tetrahydrofuran, the constant-temperature drying temperature is 100-110 ℃, the constant-temperature calendering temperature is 120-150 ℃, the thickness of powder formed after drying is 700-900 mu m, and the thickness of the base film after calendering is 400-600 mu m; a4, coating a tetrahydrofuran liquid film on the surface of the base film, standing for 30-60min, and drying to obtain a prefabricated base film; the tetrahydrofuran liquid film is a mixed film of water and tetrahydrofuran, the volume ratio of the water to the tetrahydrofuran is 1:8-10, the coating amount is 2-5mL/cm < 2 >, the standing temperature is 5-10 ℃, and the drying temperature is 120-130 ℃; the swelling heat of tetrahydrofuran on polyurethane is utilized to open polyurethane molecules, meanwhile, water molecules penetrate into the polyurethane molecules, the hydrolysis reaction is ensured, and the hydrolyzed product can still be dissolved in the tetrahydrofuran; a5, stretching the base film, and then folding and pressing to form the porous shading film, wherein the stretching comprises longitudinal stretching and transverse stretching, the temperature of the longitudinal stretching is 140-150 ℃, the stretching multiplying power is 2-4 times, the multiplying power of the transverse stretching is 1-2 times, the temperature is 110-120 ℃, the pressing pressure is 0.7-0.9MPa, and the temperature is 160-170 ℃. Based on the characteristics of homogeneity, the base film is folded to form good adhesiveness while keeping the stability of the internal micropores, so that the homogeneous bonding effect is achieved, and the interfaces are reduced.
The curtain fabric is formed by spinning or blending one or more of cotton, hemp, polyester and silk.
The preparation method of the window shade comprises the following steps:
step 1, uniformly coating propyl orthosilicate on curtain fabric to form a coated fabric; the coating amount of the propyl orthosilicate is 1.5-2.5mL/cm < 2 >;
step 2, coating tetrahydrofuran on the surface of the shading film to form a liquid film, then rapidly covering a film-coated fabric, pressing, and then placing the film-coated fabric into a reaction kettle for gradual heating to obtain the shading curtain, wherein the coating amount of the tetrahydrofuran is 2-4mL/cm < 2 >, the pressing pressure is 0.7-0.8MPa, the volume content of water vapor in the reaction kettle is 10-14%, and the heating temperature is 130-150 ℃.
From the above description, it can be seen that the present invention has the following advantages:
1. the invention solves the metal defect of the existing curtain, utilizes the characteristics of the folded and pressed polyurethane micropores to form a ventilation shading effect, and simultaneously, the silicon dioxide and the titanium dioxide promote light reaction and reduce the light transmittance of the micropores.
2. The invention utilizes the titanium dioxide and silicon dioxide in polyurethane to form a good antibacterial system, thereby effectively improving the antibacterial performance.
3. According to the invention, the propyl orthosilicate is used as a cross-linking agent, and is matched with tetrahydrofuran to swell polyurethane to form stable connection adhesiveness, and meanwhile, the propyl orthosilicate can form anchoring connectivity with the microporous polyurethane film after hydrolysis under the penetration effect of the propyl orthosilicate in the tetrahydrofuran.
4. According to the invention, the swelling permeability is utilized to permeate precursor liquid of titanium dioxide and silicon dioxide into the micropores of polyurethane to serve as an anchoring filler, so that further microporation is achieved, meanwhile, the titanium dioxide and the silicon dioxide are fully dispersed in the polyurethane, and the light permeability of the micropores is reduced.
Detailed Description
The invention is described in detail with reference to examples, but without any limitation to the claims of the invention.
Example 1
A window shade of single-component high-temperature resistant nano material comprises a window shade fabric and a window shade film; the light shielding film is a polyurethane-based film, and silicon dioxide and titanium dioxide are arranged in the light shielding film.
The polyurethane-based film comprises the following components in percentage by mass: 40 parts of microporous polyurethane particles, 8 parts of titanium isopropoxide and 5 parts of ethyl silicate. The particle size of the microporous polyurethane particles is 500nm.
The preparation method of the polyurethane-based film comprises the following steps: a1, adding titanium isopropoxide and ethyl silicate into anhydrous diethyl ether, and uniformly stirring to form a mixed solution; the concentration of the titanium isopropoxide in the anhydrous diethyl ether is 100g/L, and the stirring speed is 1000r/min; a2, placing the microporous polyurethane particles into the mixed solution, performing ultrasonic treatment for 20min to obtain suspension, slowly adding tetrahydrofuran, sealing and stirring for 2h to obtain a prefabricated slurry; the temperature of the ultrasonic wave is 5 ℃, the ultrasonic frequency is 50kHz, the adding volume of the tetrahydrofuran is consistent with the volume of the anhydrous diethyl ether, the adding speed of the tetrahydrofuran is 5mL/min, the temperature of sealing stirring is 10 ℃, and the stirring speed is 1000r/min; a3, standing the prefabricated slurry at a constant temperature for 2 hours to form semi-dry slurry; then placing the mixture into a calender for constant temperature drying, and performing constant temperature calendering to form a base film; the constant-temperature standing temperature is 50 ℃, anhydrous diethyl ether and tetrahydrofuran are obtained by recycling and separating the solvent which is volatilized after standing, the constant-temperature drying temperature is 100 ℃, the constant-temperature calendering temperature is 120 ℃, the thickness of powder formed after drying is 700 mu m, and the thickness of the base film after calendering is 400 mu m; a4, coating a tetrahydrofuran liquid film on the surface of the base film, standing for 30min, and drying to obtain a prefabricated base film; the tetrahydrofuran liquid film is a mixed film of water and tetrahydrofuran, the volume ratio of the water to the tetrahydrofuran is 1:8, and the coating amount is 2mL/cm 2 The standing temperature is 5 ℃, and the drying temperature is 120 ℃; and a5, stretching the base film, and then folding and pressing the base film to form the porous shading film, wherein the stretching comprises longitudinal stretching and transverse stretching, the temperature of the longitudinal stretching is 140 ℃, the stretching multiplying power is 2 times, the multiplying power of the transverse stretching is 1 time, the temperature is 110 ℃, the pressing pressure is 0.7MPa, and the temperature is 160 ℃.
The curtain fabric is formed by spinning or blending one or more of cotton, hemp, polyester and silk.
The preparation method of the window shade comprises the following steps:
step 1, uniformly coating propyl orthosilicate on curtain fabric to form a coated fabric; the coating amount of the propyl orthosilicate is 1.5mL/cm 2 ；
Step 2, coating tetrahydrofuran on the surface of the shading film to form a liquid film, then rapidly covering a film-coated fabric, pressing, and then placing the film-coated fabric into a reaction kettle to gradually raise the temperature to obtain the shading curtain, wherein the coating amount of the tetrahydrofuran is 2mL/cm 2 The pressing pressure is 0.7MPa, the volume content of water vapor in the reaction kettle is 10%, and the temperature rise is 130 ℃.
The light-shading curtain has the advantages that the light transmittance is 20%, the drapability is good, and the softness is good; the wear resistance is good.
Example 2
A window shade of single-component high-temperature resistant nano material comprises a window shade fabric and a window shade film; the light shielding film is a polyurethane-based film, and silicon dioxide and titanium dioxide are arranged in the light shielding film.
The polyurethane-based film comprises the following components in percentage by mass: 50 parts of microporous polyurethane particles, 14 parts of titanium isopropoxide and 10 parts of ethyl silicate. The particle size of the microporous polyurethane particles is 900nm.
The preparation method of the polyurethane-based film comprises the following steps: a1, adding titanium isopropoxide and ethyl silicate into anhydrous diethyl ether, and uniformly stirring to form a mixed solution; the concentration of the titanium isopropoxide in the anhydrous diethyl ether is 200g/L, and the stirring speed is 2000r/min; a2, placing the microporous polyurethane particles into the mixed solution, performing ultrasonic treatment for 50min to obtain a suspension, slowly adding tetrahydrofuran, sealing and stirring for 4h to obtain a prefabricated slurry; the temperature of the ultrasonic wave is 10 ℃, the ultrasonic frequency is 80kHz, the adding volume of the tetrahydrofuran is consistent with the volume of the anhydrous diethyl ether, the adding speed of the tetrahydrofuran is 10mL/min, the temperature of sealing stirring is 20 ℃, and the stirring speed is 2000r/min; a3, standing the prefabricated slurry at a constant temperature for 5 hours to form semi-dry slurry; then placing the mixture into a calender for constant temperature drying, and performing constant temperature calendering to form a base film; the constant temperature standing temperature is 6Recovering and separating the solvent which is subjected to standing volatilization at 0 ℃ to obtain anhydrous diethyl ether and tetrahydrofuran, wherein the constant-temperature drying temperature is 110 ℃, the constant-temperature calendaring temperature is 150 ℃, the thickness of powder formed after drying is 900 mu m, and the thickness of a base film after calendaring is 600 mu m; a4, coating a tetrahydrofuran liquid film on the surface of the base film, standing for 60min, and drying to obtain a prefabricated base film; the tetrahydrofuran liquid film is a mixed film of water and tetrahydrofuran, the volume ratio of the water to the tetrahydrofuran is 1:10, and the coating amount is 5mL/cm 2 The standing temperature is 10 ℃, and the drying temperature is 130 ℃; a5, stretching the base film, and then folding and pressing to form the porous shading film, wherein the stretching comprises longitudinal stretching and transverse stretching, the temperature of the longitudinal stretching is 150 ℃, the stretching multiplying power is 4 times, the multiplying power of the transverse stretching is 2 times, the temperature is 120 ℃, the pressing pressure is 0.9MPa, and the temperature is 170 ℃.
The curtain fabric is formed by spinning or blending one or more of cotton, hemp, polyester and silk.
The preparation method of the window shade comprises the following steps:
step 1, uniformly coating propyl orthosilicate on curtain fabric to form a coated fabric; the coating amount of the propyl orthosilicate is 2.5mL/cm 2 ；
Step 2, coating tetrahydrofuran on the surface of the shading film to form a liquid film, then rapidly covering a film-coated fabric, pressing, and then placing the film-coated fabric into a reaction kettle to gradually raise the temperature to obtain the shading curtain, wherein the coating amount of the tetrahydrofuran is 4mL/cm 2 The pressing pressure is 0.8MPa, the volume content of water vapor in the reaction kettle is 14%, and the temperature rise is 150 ℃.
The light-shading curtain has the advantages that the light transmittance is 10%, the drapability is good, and the softness is good; the wear resistance is good.
Example 3
A window shade of single-component high-temperature resistant nano material comprises a window shade fabric and a window shade film; the light shielding film is a polyurethane-based film, and silicon dioxide and titanium dioxide are arranged in the light shielding film.
The polyurethane-based film comprises the following components in percentage by mass: 45 parts of microporous polyurethane particles, 12 parts of titanium isopropoxide and 8 parts of ethyl silicate. The particle size of the microporous polyurethane particles is 700nm.
The preparation method of the polyurethane-based film comprises the following steps: a1, adding titanium isopropoxide and ethyl silicate into anhydrous diethyl ether, and uniformly stirring to form a mixed solution; the concentration of the titanium isopropoxide in the anhydrous diethyl ether is 150g/L, and the stirring speed is 1500r/min; a2, placing the microporous polyurethane particles into the mixed solution, performing ultrasonic treatment for 40min to obtain suspension, slowly adding tetrahydrofuran, sealing and stirring for 3h to obtain a prefabricated slurry; the temperature of the ultrasonic wave is 8 ℃, the ultrasonic frequency is 70kHz, the adding volume of the tetrahydrofuran is consistent with the volume of the anhydrous diethyl ether, the adding speed of the tetrahydrofuran is 8mL/min, the temperature of the sealing stirring is 15 ℃, and the stirring speed is 1500r/min; a3, standing the prefabricated slurry at a constant temperature for 4 hours to form semi-dry slurry; then placing the mixture into a calender for constant temperature drying, and performing constant temperature calendering to form a base film; the constant-temperature standing temperature is 55 ℃, anhydrous diethyl ether and tetrahydrofuran are obtained by recycling and separating the solvent which is volatilized after standing, the constant-temperature drying temperature is 105 ℃, the constant-temperature calendering temperature is 140 ℃, the thickness of powder formed after drying is 800 mu m, and the thickness of the base film after calendering is 500 mu m; a4, coating a tetrahydrofuran liquid film on the surface of the base film, standing for 50min, and drying to obtain a prefabricated base film; the tetrahydrofuran liquid film is a mixed film of water and tetrahydrofuran, the volume ratio of the water to the tetrahydrofuran is 1:9, and the coating amount is 4mL/cm 2 The standing temperature is 8 ℃, and the drying temperature is 125 ℃; a5, stretching the base film, and then folding and pressing to form the porous shading film, wherein the stretching comprises longitudinal stretching and transverse stretching, the temperature of the longitudinal stretching is 145 ℃, the stretching multiplying power is 3 times, the multiplying power of the transverse stretching is 1 time, the temperature is 115 ℃, the pressing pressure is 0.8MPa, and the temperature is 165 ℃.
The curtain fabric is formed by spinning or blending one or more of cotton, hemp, polyester and silk.
The preparation method of the window shade comprises the following steps:
step 1, uniformly coating the propyl orthosilicate on curtain fabric to form a coating filmA fabric; the coating amount of the propyl orthosilicate is 2mL/cm 2 ；
Step 2, coating tetrahydrofuran on the surface of the shading film to form a liquid film, then rapidly covering a film-coated fabric, pressing, and then placing the film-coated fabric into a reaction kettle to gradually raise the temperature to obtain the shading curtain, wherein the coating amount of the tetrahydrofuran is 3mL/cm 2 The pressing pressure is 0.8MPa, the volume content of water vapor in the reaction kettle is 12%, and the temperature rise is 140 ℃.
The light-shading curtain has the advantages that the light transmittance is 13%, the drapability is good, and the softness is good; the wear resistance is good.
In summary, the invention has the following advantages:
1. the invention solves the metal defect of the existing curtain, utilizes the characteristics of the folded and pressed polyurethane micropores to form a ventilation shading effect, and simultaneously, the silicon dioxide and the titanium dioxide promote light reaction and reduce the light transmittance of the micropores.
2. The invention utilizes the titanium dioxide and silicon dioxide in polyurethane to form a good antibacterial system, thereby effectively improving the antibacterial performance.
3. According to the invention, the propyl orthosilicate is used as a cross-linking agent, and is matched with tetrahydrofuran to swell polyurethane to form stable connection adhesiveness, and meanwhile, the propyl orthosilicate can form anchoring connectivity with the microporous polyurethane film after hydrolysis under the penetration effect of the propyl orthosilicate in the tetrahydrofuran.
4. According to the invention, the swelling permeability is utilized to permeate precursor liquid of titanium dioxide and silicon dioxide into the micropores of polyurethane to serve as an anchoring filler, so that further microporation is achieved, meanwhile, the titanium dioxide and the silicon dioxide are fully dispersed in the polyurethane, and the light permeability of the micropores is reduced.
5. The invention utilizes the characteristic of staggered micropores on the polyurethane microporous film by folding and pressing, reduces the light transmittance, and simultaneously reduces the light rays in the micropores by a reflection-transmission system formed by titanium dioxide and silicon dioxide, thereby improving the shading efficiency.
It is to be understood that the foregoing detailed description of the invention is merely illustrative of the invention and is not limited to the embodiments of the invention. It will be understood by those of ordinary skill in the art that the present invention may be modified or substituted for elements thereof to achieve the same technical effects; as long as the use requirement is met, the invention is within the protection scope of the invention.

Claims (6)

1. A window shade of single-component high temperature resistant nanometer material is characterized in that: comprises a curtain fabric and a shading film; the light shielding film is a polyurethane-based film, and silicon dioxide and titanium dioxide are arranged in the light shielding film;
the preparation method of the window shade comprises the following steps:
step 1, uniformly coating propyl orthosilicate on curtain fabric to form a coated fabric;
step 2, coating tetrahydrofuran on the surface of the shading film to form a liquid film, then rapidly covering a coated fabric, pressing, and then placing the coated fabric into a reaction kettle to gradually raise the temperature to obtain the shading curtain;
the polyurethane-based film comprises the following components in percentage by mass: 40-50 parts of microporous polyurethane particles, 8-14 parts of titanium isopropoxide and 5-10 parts of ethyl silicate;
the preparation method of the polyurethane-based film comprises the following steps: a1, adding titanium isopropoxide and ethyl silicate into anhydrous diethyl ether, and uniformly stirring to form a mixed solution; the concentration of the titanium isopropoxide in the anhydrous diethyl ether is 100-200g/L, and the stirring speed is 1000-2000r/min; a2, placing the microporous polyurethane particles into the mixed solution for ultrasonic treatment for 20-50min to obtain suspension, then slowly adding tetrahydrofuran, sealing and stirring for 2-4h to obtain prefabricated slurry; the temperature of the ultrasonic wave is 5-10 ℃, the ultrasonic frequency is 50-80kHz, the adding volume of the tetrahydrofuran is consistent with the volume of the anhydrous diethyl ether, the adding speed of the tetrahydrofuran is 5-10mL/min, the temperature of the sealed stirring is 10-20 ℃, and the stirring speed is 1000-2000r/min; a3, standing the prefabricated slurry at a constant temperature for 2-5 hours to form semi-dry slurry; then placing the mixture into a calender for constant temperature drying, and performing constant temperature calendering to form a base film; the constant-temperature standing temperature is 50-60 ℃, the solvent volatilized by standing is recovered and separated to obtain anhydrous diethyl ether and tetrahydrofuran, the constant-temperature drying temperature is 100-110 ℃, the constant-temperature calendering temperature is 120-150 ℃, the thickness of powder formed after drying is 700-900 mu m, and the thickness of the base film after calendering is 400-600 mu m; a4, coating a tetrahydrofuran liquid film on the surface of the base film, standing for 30-60min, and drying to obtain a prefabricated base film; the tetrahydrofuran liquid film is a mixed film of water and tetrahydrofuran, the volume ratio of the water to the tetrahydrofuran is 1:8-10, the coating amount is 2-5mL/cm < 2 >, the standing temperature is 5-10 ℃, and the drying temperature is 120-130 ℃; a5, stretching the base film, and then folding and pressing to form the porous shading film, wherein the stretching comprises longitudinal stretching and transverse stretching, the temperature of the longitudinal stretching is 140-150 ℃, the stretching multiplying power is 2-4 times, the multiplying power of the transverse stretching is 1-2 times, the temperature is 110-120 ℃, the pressing pressure is 0.7-0.9MPa, and the temperature is 160-170 ℃.
2. The one-component high temperature nanomaterial window shade of claim 1, wherein: the particle size of the microporous polyurethane particles is 500-900nm.
3. The one-component high temperature nanomaterial window shade of claim 1, wherein: the curtain fabric is formed by spinning or blending one or more of cotton, hemp, polyester and silk.
4. The one-component high temperature nanomaterial window shade of claim 1, wherein: the coating amount of the propyl orthosilicate in the step 1 is 1.5-2.5mL/cm 2 。
5. The one-component high temperature nanomaterial window shade of claim 1, wherein: the coating amount of tetrahydrofuran in the step 2 is 2-4mL/cm 2 The pressing pressure is 0.7-0.8MPa.
6. The one-component high temperature nanomaterial window shade of claim 1, wherein: the volume content of the water vapor in the reaction kettle in the step 2 is 10-14%, and the temperature rise is 130-150 ℃.
CN202111191091.8A 2021-10-13 2021-10-13 Single-component high-temperature-resistant nano material window shade Active CN113954454B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111191091.8A CN113954454B (en) 2021-10-13 2021-10-13 Single-component high-temperature-resistant nano material window shade

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111191091.8A CN113954454B (en) 2021-10-13 2021-10-13 Single-component high-temperature-resistant nano material window shade

Publications (2)

Publication Number Publication Date
CN113954454A CN113954454A (en) 2022-01-21
CN113954454B true CN113954454B (en) 2023-05-12

Family

ID=79463756

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111191091.8A Active CN113954454B (en) 2021-10-13 2021-10-13 Single-component high-temperature-resistant nano material window shade

Country Status (1)

Country Link
CN (1) CN113954454B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6025068A (en) * 1998-02-13 2000-02-15 Ppg Industries Ohio, Inc. Inkjet printable coating for microporous materials
CN106739334A (en) * 2016-12-14 2017-05-31 江苏瀚隆家纺有限公司 A kind of light-proofness composite membrane and preparation method thereof
CN109293969A (en) * 2017-10-20 2019-02-01 浙江鸿圣纺织科技有限公司 A kind of polyurethane TPU curtain liner layer and preparation method thereof
WO2019103391A1 (en) * 2017-11-21 2019-05-31 김중백 Indoor soundproof curtain having excellent thermal insulation
CN113430840A (en) * 2021-07-05 2021-09-24 海盐旭晖纺织股份有限公司 Preparation method of sound insulation curtain

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6025068A (en) * 1998-02-13 2000-02-15 Ppg Industries Ohio, Inc. Inkjet printable coating for microporous materials
CN106739334A (en) * 2016-12-14 2017-05-31 江苏瀚隆家纺有限公司 A kind of light-proofness composite membrane and preparation method thereof
CN109293969A (en) * 2017-10-20 2019-02-01 浙江鸿圣纺织科技有限公司 A kind of polyurethane TPU curtain liner layer and preparation method thereof
WO2019103391A1 (en) * 2017-11-21 2019-05-31 김중백 Indoor soundproof curtain having excellent thermal insulation
CN113430840A (en) * 2021-07-05 2021-09-24 海盐旭晖纺织股份有限公司 Preparation method of sound insulation curtain

Also Published As

Publication number Publication date
CN113954454A (en) 2022-01-21

Similar Documents

Publication Publication Date Title
CN103981694B (en) A kind of shitosan/TiO 2the method of composite finishing wool fabric
CN103397513B (en) The nano titanic oxide sol finishing agent of low-temperature growth and application thereof
CN103203206B (en) Cellulose/titanium dioxide/silica aerogel and preparation method thereof
CN109137535A (en) A kind of preparation method for adding china-hemp fibers powder-nano material heat insulation and heat control type wear-resistant uvioresistant line umbrella cloth
CN113954454B (en) Single-component high-temperature-resistant nano material window shade
CN107879710A (en) A kind of mould proof high UV resistant pressure knot brick
WO2023236784A1 (en) Barrier and heat-sealable cellulose film, preparation method therefor, and application thereof
CN108360268A (en) A kind of preparation method of indoor curtain using insulating moulding coating
CN111118713B (en) Preparation method of long-acting anti-fouling fabric based on nanogel treatment
CN114000342B (en) Low-light-transmittance moisture absorption curtain and preparation method thereof
CN112301505A (en) Seamless down-filled down jacket fabric and production method thereof
CN109468860B (en) Preparation method of Zn-MOF-based multifunctional dyed polyester fabric
CN110172751A (en) A kind of carbon fibre and its carbonization method
CN108914590A (en) A kind of preparation method of automobile-used slim fire retardant nonwoven fabric
CN110886094A (en) Negative oxygen ion-cellular micropore modification method for textile fabric
CN109467683B (en) Preparation method of modified polyester chip, polyester chip and polyester fiber
CN115284701A (en) Environment-friendly waterproof flame-retardant full-shading curtain fabric and manufacturing method thereof
CN113718533A (en) Waterproof moisture-permeable breathable after-finishing agent for fabric, preparation method thereof and waterproof moisture-permeable breathable fabric
CN103993521A (en) Ventilating oxygen-enriching energy-saving filter paper for fuel filter and preparation method thereof
CN110670358B (en) Padding crosslinking film-forming finishing method
CN113774682B (en) Folding-resistant heat-insulation tent fabric coating and obtained fabric
CN110846890A (en) Method for manufacturing functional garment fabric by using coffee carbon fibers
CN113774681B (en) Preparation method of folding-resistant heat-insulation tent fabric
CN102860650A (en) Water-absorbing antibacterial hair-drying hat and preparation method thereof
CN113463405A (en) Method for improving flooding of roller shutter fabric foaming coating

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A single component high-temperature resistant nanomaterial for shading curtains

Effective date of registration: 20231103

Granted publication date: 20230512

Pledgee: Zhejiang Shaoxing Ruifeng Rural Commercial Bank Co.,Ltd. Binhai sub branch

Pledgor: Zhejiang aimanshi smart home Co.,Ltd.

Registration number: Y2023980063863