CN112876953A - Anti-dazzle daylighting panel - Google Patents

Anti-dazzle daylighting panel Download PDF

Info

Publication number
CN112876953A
CN112876953A CN202110061501.0A CN202110061501A CN112876953A CN 112876953 A CN112876953 A CN 112876953A CN 202110061501 A CN202110061501 A CN 202110061501A CN 112876953 A CN112876953 A CN 112876953A
Authority
CN
China
Prior art keywords
parts
ionic liquid
daylighting panel
composite coating
glare
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.)
Pending
Application number
CN202110061501.0A
Other languages
Chinese (zh)
Inventor
冯志远
冯元良
马婧
任爱勇
郭云鹤
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.)
Tangshan Runfeng Composite Material Co ltd
Original Assignee
Tangshan Runfeng Composite Material 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 Tangshan Runfeng Composite Material Co ltd filed Critical Tangshan Runfeng Composite Material Co ltd
Priority to CN202110061501.0A priority Critical patent/CN112876953A/en
Publication of CN112876953A publication Critical patent/CN112876953A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
    • C09D167/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • 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
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/0427—Coating with only one layer of a composition containing a polymer binder
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/32—Radiation-absorbing paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/63—Additives non-macromolecular organic
    • 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
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2423/04—Homopolymers or copolymers of ethene
    • C08J2423/08—Copolymers of ethene
    • 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
    • C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2467/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • 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
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate

Abstract

The invention relates to the technical field of daylighting panels, in particular to an anti-dazzle daylighting panel, which comprises a substrate and a composite coating, wherein the composite coating is coated on the surface of the substrate and consists of the following raw materials in parts by weight: 20-45 parts of polybutylene terephthalate, 12-20 parts of filler, 5-10 parts of EVA hot melt adhesive, 1-5 parts of calcium carbonate, 5-9 parts of ultraviolet absorbent, 3-7 parts of cosolvent and 9-15 parts of hydrophobic ionic liquid; the preparation method of the composite coating comprises the following steps: s1, dissolving hydrophobic ionic liquid in xylene, and adding cyclohexanone to prepare hydrophobic sol for later use; s2, adding polybutylene terephthalate, EVA hot melt adhesive, calcium carbonate, filler and cosolvent into a reaction kettle. The invention not only can improve the absorption effect of the daylighting panel on ultraviolet rays, but also can improve the waterproof performance of the daylighting panel.

Description

Anti-dazzle daylighting panel
Technical Field
The invention relates to the technical field of daylighting panels, in particular to an anti-dazzle daylighting panel.
Background
The daylighting panel is provided with a hole on the roof panel, a well wall is arranged around the hole, and a daylighting skylight made of a flat light-transmitting material is arranged on the daylighting panel. The holes reserved on the roof panels can be large or small, and sometimes a roof panel can be taken out to be used as a lighting port. At this time, a well wall is required to be made on the adjacent roof panels, and purlins are additionally arranged on the well wall so as to facilitate installation of the flat plate light-transmitting material. The daylighting panel is mainly made of PP, PC, PET, APET or PVC materials.
The existing daylighting panel can find that glare can be caused if the existing daylighting panel is irradiated by strong light in the daily use process, so that the situation can be avoided by coating anti-glare coating on the surface of the daylighting panel during production. Therefore, we propose an anti-glare daylighting panel to solve the above problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an anti-dazzle daylighting panel.
The anti-dazzle daylighting panel comprises a substrate and a composite coating, wherein the composite coating is coated on the surface of the substrate and consists of the following raw materials in parts by weight: 20-45 parts of polybutylene terephthalate, 12-20 parts of filler, 5-10 parts of EVA hot melt adhesive, 1-5 parts of calcium carbonate, 5-9 parts of ultraviolet absorbent, 3-7 parts of cosolvent and 9-15 parts of hydrophobic ionic liquid;
the preparation method of the composite coating comprises the following steps:
s1, dissolving hydrophobic ionic liquid in xylene, and adding cyclohexanone to prepare hydrophobic sol for later use;
s2, adding polybutylene terephthalate, EVA hot melt adhesive, calcium carbonate, filler and cosolvent into a reaction kettle, uniformly stirring by a magnetic bar, and heating to 180-200 ℃;
and S3, when the temperature reaches 180 ℃, adding the ultraviolet absorber, the cosolvent and the hydrophobic sol into the reaction kettle, continuously stirring and reacting for 1-5 hours, cooling the mixture to room temperature step by step, and stirring for 3-5 hours to obtain the composite coating.
Preferably, the filler is a mixture of diatomite and wollastonite, and the mixing ratio of the diatomite to the wollastonite is 1: 1.
Preferably, the ultraviolet absorbent is 2- (2' -hydroxy) benzotriazole or 2-hydroxybenzophenone.
Preferably, the cosolvent is any one of cyclohexanone, isopropanol and methyl ethyl ketone.
Preferably, the hydrophobic ionic liquid in the hydrophobic sol is 1-amidobutyl-3-ethylimidazole bistrifluoromethylsulfonic acid imine, and the preparation method of the hydrophobic ionic liquid comprises the following steps: 100g of intermediate [ CH ]2CONHBuEIM][Cl]Dissolving the mixture in 35mL of distilled water, adding lithium bistrifluoromethylsulfonate with equal molar mass into the distilled water, and washing the lower-layer ionic liquid with deionized water until no chloride ion exists after the lithium bistrifluoromethylsulfonate is layered to obtain the hydrophobic ionic liquid 1-amidobutyl-3-ethylimidazole bistrifluoromethylsulfonate.
Preferably, the ratio of the hydrophobic ionic liquid to the xylene in S1 is 2: 1.
Preferably, the amount of cyclohexanone in S1 is 1/3 of the total amount of hydrophobic ionic liquid and xylene.
Preferably, the weight ratio of the cosolvent added in S2 and S3 is 1: 1.
Preferably, the rotation speed during stirring in S2 and S3 is 800r/min to 1200 r/min.
The invention has the beneficial effects that:
1. according to the invention, 2- (2' -hydroxy) benzotriazole and 2-hydroxybenzophenone are added in the formula of the composite coating to be used as an ultraviolet absorbent, so that the absorption effect of the daylighting panel on ultraviolet can be greatly improved, and a large amount of ultraviolet can be prevented from passing through.
2. According to the invention, the hydrophobic ionic liquid is added into the formula of the composite coating and used as the hydrophobic ionic liquid, so that the hydrophilic performance of the surface of the daylighting panel can be reduced, and the waterproof performance of the daylighting panel is improved.
In conclusion, the invention not only can improve the absorption effect of the daylighting panel on ultraviolet rays, but also can improve the waterproof performance of the daylighting panel.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
The anti-dazzle daylighting panel comprises a substrate and a composite coating, wherein the composite coating is coated on the surface of the substrate, and the composite coating is composed of the following raw materials in parts by weight: 20-45 parts of polybutylene terephthalate, 12-20 parts of filler, 5-10 parts of EVA hot melt adhesive, 1-5 parts of calcium carbonate, 5-9 parts of ultraviolet absorbent, 3-7 parts of cosolvent and 9-15 parts of hydrophobic ionic liquid;
the preparation method of the composite coating comprises the following steps:
s1, dissolving hydrophobic ionic liquid in xylene according to the ratio of 2:1, and adding cyclohexanone to prepare hydrophobic sol for later use (wherein the dosage of the cyclohexanone is 1/3 of the total dosage of the hydrophobic ionic liquid and the xylene);
s2, adding polybutylene terephthalate, EVA hot melt adhesive, calcium carbonate, filler and cosolvent into a reaction kettle, uniformly stirring by a magnetic bar at the rotating speed of 800r/min, and heating to 180-200 ℃;
and S3, when the temperature reaches 180 ℃, adding an ultraviolet absorbent, a cosolvent and hydrophobic sol into the reaction kettle, continuously stirring at the rotating speed of 1200r/min, reacting for 2 hours, cooling the mixture to room temperature step by step, and stirring for 3 hours to obtain the composite coating.
Wherein the filler is a mixture of diatomite and wollastonite, the mixing ratio of the diatomite and the wollastonite is 1:1, the ultraviolet absorbent is 2- (2' -hydroxy) benzotriazole or 2-hydroxybenzophenone, and the cosolvent is any one of cyclohexanone, isopropanol and methyl ethyl ketone, preferably isopropanol; the dosage of the cyclohexanone in S1 is 1/3 of the total dosage of the hydrophobic ionic liquid and the dimethylbenzene, and the part ratio of the added cosolvent in S2 to the added cosolvent in S3 is 1: 1.
In addition, theThe hydrophobic ionic liquid is 1-amido butyl-3-ethylimidazole bistrifluoromethyl sulfonic acid imine, and the preparation method of the hydrophobic ionic liquid comprises the following steps: 100g of intermediate [ CH ]2CONHBuEIM][Cl]Dissolving the mixture in 35mL of distilled water, adding lithium bistrifluoromethylsulfonate with equal molar mass into the distilled water, and washing the lower-layer ionic liquid with deionized water until no chloride ion exists after the lithium bistrifluoromethylsulfonate is layered to obtain the hydrophobic ionic liquid 1-amidobutyl-3-ethylimidazole bistrifluoromethylsulfonate.
The first embodiment is as follows:
the composite coating is prepared from the following raw materials in parts by weight: 20 parts of polybutylene terephthalate, 12 parts of a filler (a mixture of diatomite and wollastonite), 5 parts of EVA hot melt adhesive, 1 part of calcium carbonate, 5 parts of 2- (2' -hydroxy) benzotriazole, 5 parts of 2-hydroxybenzophenone, 3 parts of isopropanol and 9 parts of hydrophobic ionic liquid.
The preparation method of the composite coating comprises the following steps:
s1, dissolving hydrophobic ionic liquid in xylene, and adding cyclohexanone to prepare hydrophobic sol for later use;
s2, adding polybutylene terephthalate, EVA hot melt adhesive, calcium carbonate, filler and isopropanol into a reaction kettle, uniformly stirring by a magnetic bar at the rotating speed of 800r/min, and heating to 180 ℃;
and S3, when the temperature reaches 180 ℃, adding 2- (2' -hydroxy) benzotriazole, 2-hydroxybenzophenone, isopropanol and hydrosol into the reaction kettle, continuously stirring at the rotating speed of 1200r/min, reacting for 2 hours, cooling the mixture to room temperature step by step, and stirring for 3 hours to obtain the composite coating.
And finally, uniformly coating the composite coating on the surface of the daylighting panel, and airing.
Example two:
the composite coating is prepared from the following raw materials in parts by weight: 32 parts of polybutylene terephthalate, 16 parts of filler (a mixture of diatomite and wollastonite), 8 parts of EVA hot melt adhesive, 3 parts of calcium carbonate, 7 parts of 2- (2' -hydroxy) benzotriazole, 5 parts of 2-hydroxybenzophenone, 5 parts of isopropanol and 12 parts of hydrophobic ionic liquid.
The preparation method of the composite coating comprises the following steps:
s1, dissolving hydrophobic ionic liquid in xylene, and adding cyclohexanone to prepare hydrophobic sol for later use;
s2, adding polybutylene terephthalate, EVA hot melt adhesive, calcium carbonate, filler and isopropanol into a reaction kettle, uniformly stirring by a magnetic bar at the rotating speed of 800r/min, and heating to 180 ℃;
and S3, when the temperature reaches 180 ℃, adding 2- (2' -hydroxy) benzotriazole, 2-hydroxybenzophenone, isopropanol and hydrosol into the reaction kettle, continuously stirring at the rotating speed of 1200r/min, reacting for 2 hours, cooling the mixture to room temperature step by step, and stirring for 3 hours to obtain the composite coating.
And finally, uniformly coating the composite coating on the surface of the daylighting panel, and airing.
Example three:
the composite coating is prepared from the following raw materials in parts by weight: 45 parts of polybutylene terephthalate, 20 parts of a filler (a mixture of diatomite and wollastonite), 10 parts of EVA hot melt adhesive, 5 parts of calcium carbonate, 9 parts of 2- (2' -hydroxy) benzotriazole, 7 parts of 2-hydroxybenzophenone, 7 parts of isopropanol and 15 parts of hydrophobic ionic liquid.
The preparation method of the composite coating comprises the following steps:
s1, dissolving hydrophobic ionic liquid in xylene, and adding cyclohexanone to prepare hydrophobic sol for later use;
s2, adding polybutylene terephthalate, EVA hot melt adhesive, calcium carbonate, filler and isopropanol into a reaction kettle, uniformly stirring by a magnetic bar at the rotating speed of 800r/min, and heating to 180 ℃;
and S3, when the temperature reaches 180 ℃, adding 2- (2' -hydroxy) benzotriazole, 2-hydroxybenzophenone, isopropanol and hydrosol into the reaction kettle, continuously stirring at the rotating speed of 1200r/min, reacting for 2 hours, cooling the mixture to room temperature step by step, and stirring for 3 hours to obtain the composite coating.
And finally, uniformly coating the composite coating on the surface of the daylighting panel, and airing.
Comparative example one (no uv absorber):
the composite coating is prepared from the following raw materials in parts by weight: 20 parts of polybutylene terephthalate, 12 parts of a filler (a mixture of diatomite and wollastonite), 5 parts of EVA hot melt adhesive, 1 part of calcium carbonate, 3 parts of isopropanol and 9 parts of hydrophobic ionic liquid.
The preparation method of the composite coating comprises the following steps:
s1, dissolving hydrophobic ionic liquid in xylene, and adding cyclohexanone to prepare hydrophobic sol for later use;
s2, adding polybutylene terephthalate, EVA hot melt adhesive, calcium carbonate, filler and isopropanol into a reaction kettle, uniformly stirring by a magnetic bar at the rotating speed of 800r/min, and heating to 180 ℃;
and S3, when the temperature reaches 180 ℃, adding isopropanol and hydrosol into the reaction kettle, continuously stirring at the rotating speed of 1200r/min, reacting for 2 hours, cooling the mixture to the room temperature step by step, and stirring for 3 hours again to obtain the composite coating.
And finally, uniformly coating the composite coating on the surface of the daylighting panel, and airing.
Comparative example two (without hydrophobic ionic liquid):
the composite coating is prepared from the following raw materials in parts by weight: 20 parts of polybutylene terephthalate, 12 parts of filler (a mixture of diatomite and wollastonite), 5 parts of EVA hot melt adhesive, 1 part of calcium carbonate, 5 parts of 2- (2' -hydroxy) benzotriazole, 5 parts of 2-hydroxybenzophenone and 3 parts of isopropanol.
The preparation method of the composite coating comprises the following steps:
s1, adding polybutylene terephthalate, EVA hot melt adhesive, calcium carbonate, filler and isopropanol into a reaction kettle, uniformly stirring by a magnetic bar at the rotating speed of 800r/min, and heating to 180 ℃;
and S2, when the temperature reaches 180 ℃, adding 2- (2' -hydroxy) benzotriazole, 2-hydroxybenzophenone and isopropanol into the reaction kettle, continuously stirring at the rotating speed of 1200r/min, reacting for 2 hours, gradually cooling to room temperature, and stirring for 3 hours to obtain the composite coating.
And finally, uniformly coating the composite coating on the surface of the daylighting panel, and airing.
Reference example (both hydrophobic ionic liquid and uv absorber were not added):
the composite coating is prepared from the following raw materials in parts by weight: 20 parts of polybutylene terephthalate, 12 parts of filler (a mixture of diatomite and wollastonite), 5 parts of EVA hot melt adhesive, 1 part of calcium carbonate and 3 parts of isopropanol.
The preparation method of the composite coating comprises the following steps:
s1, adding polybutylene terephthalate, EVA hot melt adhesive, calcium carbonate, filler and isopropanol into a reaction kettle, uniformly stirring by a magnetic bar at the rotating speed of 800r/min, and heating to 180 ℃;
and S2, when the temperature reaches 180 ℃, continuously adding isopropanol into the reaction kettle, continuously stirring at the rotating speed of 1200r/min, reacting for 2 hours, gradually cooling to room temperature, and stirring for 3 hours again to obtain the composite coating.
And finally, uniformly coating the composite coating on the surface of the daylighting panel, and airing.
Test one-measurement of the intensity of light irradiated with ultraviolet rays after lighting panel:
the daylighting panels in the first example, the first comparative example and the reference example are respectively placed under ultraviolet lamps (20W, 40W and 60W) with three specifications, the ultraviolet lamps are suspended and placed in the air, the ultraviolet lamps are turned on, after 5 minutes, an indicator card (namely an ultraviolet intensity irradiation indicator card) is respectively placed at a position 1m below the daylighting panel, one side of the pattern faces upwards, after 1 minute of irradiation, the color of a color block of the indicator card is observed and compared with a standard color block, the irradiation intensity is read, and the recording is carried out in the following table:
the principle of the indicator card is as follows: after the indicator card is irradiated by ultraviolet rays, the photosensitive color blocks in the middle of the patterns are changed from milky white to light purple with different degrees
Figure BDA0002902822830000091
Note: in the above table, "√" indicates that the component is added, and "×" indicates that the component is not added
As can be seen from the data in the above table, when 2- (2' -hydroxy) benzotriazole and 2-hydroxybenzophenone are added to the composite coating as an ultraviolet absorber and the composite coating is applied to the surface of the lighting panel, the absorption rate of the lighting panel to ultraviolet rays can be effectively improved, and the transmittance of ultraviolet rays can be reduced.
Test two-measure the waterproof performance of plane skylight:
taking the daylighting panels in the first example, the second example and the reference example, measuring the thickness of three panels in advance, placing the three panels in the same water tank, pouring water into the water tank, pressing the panels respectively by using stones, soaking for 3 hours, taking out the panels after 3 hours, measuring the thickness of the three panels again, and calculating the water absorption thickness expansion rate of the daylighting panel, wherein the specific data are shown in the following table (the thickness in the test is the average value of the thicknesses of the two side edges and the middle thickness of the daylighting panel):
Figure BDA0002902822830000101
note: in the above table, "√" indicates that the component is added, and "×" indicates that the component is not added; the water absorption thickness expansion rate is the ratio of the thickness difference before and after water absorption to the thickness before water immersion.
As can be seen from the data in the above table, when the hydrophobic ionic liquid is added to the composite coating and used as the hydrophobic ionic liquid, and the composite coating is applied to the surface of the plane skylight, the hydrophilic performance of the plane skylight can be effectively reduced, and the waterproof performance of the plane skylight is improved.
Besides the preparation method of the composite coating, the composite coating can be prepared by adopting the following steps:
s1, dissolving hydrophobic ionic liquid in xylene, and adding cyclohexanone to prepare hydrophobic sol for later use;
s2, sequentially adding other raw materials into the reaction kettle, uniformly stirring by a magnetic bar, heating to 180 ℃, and continuously stirring for 3 hours;
and S3, after stirring for 1.5 hours in S2, opening the reaction kettle, adding 260g of water and an emulsifier for emulsification, and continuing stirring until the stirring is finished to obtain the composite coating.
Wherein the emulsifier is Tween-80.
The method adds an emulsifying link, and has the effects of forming a firm emulsifying film and improving the stability.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (9)

1. The anti-glare daylighting panel comprises a substrate and a composite coating, and is characterized in that the composite coating is coated on the surface of the substrate and consists of the following raw materials in parts by weight: 20-45 parts of polybutylene terephthalate, 12-20 parts of filler, 5-10 parts of EVA hot melt adhesive, 1-5 parts of calcium carbonate, 5-9 parts of ultraviolet absorbent, 3-7 parts of cosolvent and 9-15 parts of hydrophobic ionic liquid;
the preparation method of the composite coating comprises the following steps:
s1, dissolving hydrophobic ionic liquid in xylene, and adding cyclohexanone to prepare hydrophobic sol for later use;
s2, adding polybutylene terephthalate, EVA hot melt adhesive, calcium carbonate, filler and cosolvent into a reaction kettle, uniformly stirring by a magnetic bar, and heating to 180-200 ℃;
and S3, when the temperature reaches 180 ℃, adding the ultraviolet absorber, the cosolvent and the hydrophobic sol into the reaction kettle, continuously stirring and reacting for 1-5 hours, cooling the mixture to room temperature step by step, and stirring for 3-5 hours to obtain the composite coating.
2. The anti-glare daylighting panel according to claim 1, wherein the filler is a mixture of diatomite and wollastonite, and the mixing ratio of the diatomite to the wollastonite is 1: 1.
3. The anti-glare daylighting panel of claim 1, wherein the ultraviolet absorber is 2- (2' -hydroxy) benzotriazole or 2-hydroxybenzophenone.
4. The anti-glare daylighting panel according to claim 1, wherein the cosolvent is any one of cyclohexanone, isopropanol and methyl ethyl ketone.
5. The anti-glare daylighting panel according to claim 1, wherein the hydrophobic ionic liquid in the hydrophobic sol is 1-amidobutyl-3-ethylimidazole bistrifluoromethylsulfonic acid imine, and the preparation method of the hydrophobic ionic liquid comprises the following steps: 100g of intermediate [ CH ]2CONHBuEIM][Cl]Dissolving the mixture in 35mL of distilled water, adding lithium bistrifluoromethylsulfonate with equal molar mass into the distilled water, and washing the lower-layer ionic liquid with deionized water until no chloride ion exists after the lithium bistrifluoromethylsulfonate is layered to obtain the hydrophobic ionic liquid 1-amidobutyl-3-ethylimidazole bistrifluoromethylsulfonate.
6. The anti-glare daylighting panel according to claim 1, wherein the ratio of the hydrophobic ionic liquid to the xylene in S1 is 2: 1.
7. The anti-glare daylighting panel of claim 1, wherein the amount of cyclohexanone in S1 is 1/3 of the total amount of the hydrophobic ionic liquid and the xylene.
8. The anti-glare daylighting panel according to claim 1, wherein the cosolvent is added in the S2 and S3 in a ratio of 1: 1.
9. The anti-glare daylighting panel according to claim 1, wherein the rotation speed during stirring in S2 and S3 is 800r/min to 1200 r/min.
CN202110061501.0A 2021-01-18 2021-01-18 Anti-dazzle daylighting panel Pending CN112876953A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110061501.0A CN112876953A (en) 2021-01-18 2021-01-18 Anti-dazzle daylighting panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110061501.0A CN112876953A (en) 2021-01-18 2021-01-18 Anti-dazzle daylighting panel

Publications (1)

Publication Number Publication Date
CN112876953A true CN112876953A (en) 2021-06-01

Family

ID=76048874

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110061501.0A Pending CN112876953A (en) 2021-01-18 2021-01-18 Anti-dazzle daylighting panel

Country Status (1)

Country Link
CN (1) CN112876953A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101251608A (en) * 2007-02-21 2008-08-27 索尼株式会社 Anti-glare film, method of manufacturing the same, and display device
CN108546506A (en) * 2018-05-10 2018-09-18 重庆新康意安得达尔新材料有限公司 A kind of anti-dazzle optical coating and preparation method thereof
CN108659682A (en) * 2018-05-17 2018-10-16 合肥民众亿兴软件开发有限公司 A kind of reflection type projection curtain of anti-dazzle
CN108690209A (en) * 2017-03-07 2018-10-23 宁波惠之星新材料科技有限公司 A kind of anti-dazzle optical coating of UV resistant and its application
CN111826061A (en) * 2020-06-16 2020-10-27 深圳市佰瑞兴实业有限公司 Antifouling and anti-glare coating and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101251608A (en) * 2007-02-21 2008-08-27 索尼株式会社 Anti-glare film, method of manufacturing the same, and display device
CN108690209A (en) * 2017-03-07 2018-10-23 宁波惠之星新材料科技有限公司 A kind of anti-dazzle optical coating of UV resistant and its application
CN108546506A (en) * 2018-05-10 2018-09-18 重庆新康意安得达尔新材料有限公司 A kind of anti-dazzle optical coating and preparation method thereof
CN108659682A (en) * 2018-05-17 2018-10-16 合肥民众亿兴软件开发有限公司 A kind of reflection type projection curtain of anti-dazzle
CN111826061A (en) * 2020-06-16 2020-10-27 深圳市佰瑞兴实业有限公司 Antifouling and anti-glare coating and preparation method thereof

Similar Documents

Publication Publication Date Title
CN105969016A (en) Reflective insulation colorful coating and preparation method thereof
US20030215626A1 (en) Nanoporous coatings
CN105130205A (en) Preparation method of film-plating liquid for antireflection film of high anti-weathering type photovoltaic glass
CN103245990A (en) Novel high-permeable and high-haze easy-to-clean diffusion plate and preparation method thereof
CN101157522A (en) Visible light anti-reflection and ultraviolet radiation cut-off bifunctional coated glass and preparation method thereof
CN104692671A (en) Preparation method of super-hydrophobic self-cleaning glass based on ZnO nano array coating
KR20020093920A (en) Irregular film and method of manufacturing the film
CN112876953A (en) Anti-dazzle daylighting panel
CN110016260B (en) Natural nontoxic highly transparent water-proof fog coating and preparation method thereof
CN106045330B (en) A kind of mesoporous SiO2Preparation method of film and products thereof and application
CN216719957U (en) Photovoltaic glass and photovoltaic module
CN108516698B (en) Silicon dioxide film and preparation method thereof
CN107032359A (en) A kind of preparation method of silicon dioxide gel, the preparation method of photovoltaic glass
CN1265961C (en) Glazing laminates for window
JPS60168103A (en) Light transmitting plate
CN107090219A (en) A kind of transparent glass coating and preparation method thereof
CN106947344A (en) A kind of reflective heat-insulation paint and preparation method thereof
CN106125512B (en) One kind exposure base station and preparation method thereof, exposure machine
CN112745743B (en) High oxygen index daylighting panel
CN114367249A (en) Preparation method of nanocellulose-based photochromic microcapsule and coating material thereof
CN109836979A (en) A kind of nano antimony tin oxide coating
CN111254739A (en) Structural color-generating window paper with double-sided printing effect and preparation method thereof
CN109054069A (en) A kind of preparation method of high light transmission diffuser plate
CN111175867A (en) Diffusion film and structured light projection module correction device
CN202640874U (en) Photochromic glass

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
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20210601