CN115260847A - Transparent sound-proof heat-insulation coating and preparation method thereof - Google Patents
Transparent sound-proof heat-insulation coating and preparation method thereof Download PDFInfo
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- CN115260847A CN115260847A CN202210860200.9A CN202210860200A CN115260847A CN 115260847 A CN115260847 A CN 115260847A CN 202210860200 A CN202210860200 A CN 202210860200A CN 115260847 A CN115260847 A CN 115260847A
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- 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
- C09D129/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Coating compositions based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Coating compositions based on derivatives of such polymers
- C09D129/14—Homopolymers or copolymers of acetals or ketals obtained by polymerisation of unsaturated acetals or ketals or by after-treatment of polymers of unsaturated alcohols
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- 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
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- 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
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- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- Paints Or Removers (AREA)
Abstract
The invention relates to a transparent sound-insulation heat-insulation coating, which comprises the following components: 100 parts by mass of a polymer resin; 30-70 parts by mass of sound insulation elements; 1.61-4.83 parts by mass of heat insulation filler; 700 parts by mass of a solvent. Also provides a preparation method of the transparent sound-insulation heat-insulation coating. The solvent used in the invention is ethanol, so the toxicity is low and the solvent is volatile. The construction process is simple, the drying speed is high, the construction period is greatly shortened, and the construction can be carried out by adopting various methods such as brushing, spraying, dipping and the like; the defects of large occupied area and opaqueness of the traditional sound insulation material are overcome, more functionality is given to the coating, and a product with excellent comprehensive performance is obtained. The use of the heat-insulating filler ensures that the coating has excellent shielding capability in the whole infrared region of sunlight, and particularly can reduce the near-infrared light transmittance of 900-1200nm wave bands to below 10 percent; meanwhile, the glass has the advantages of non-toxic raw materials, low price and the like, and effectively reduces the heat exchange between the building and the vehicle glass.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to a transparent sound-insulation heat-insulation coating and a preparation method thereof.
Background
With the continuous improvement of the urbanization level of China and the development of the transportation industry, the heat island effect is increasingly serious, and the urban noise pollution is also increasingly serious. Along with the improvement of the comfort requirement of people on home life, the indoor heat insulation and cooling, shock absorption and noise reduction are needed to be realized at the same time. The proportion of the building energy consumption in the total social energy consumption is gradually increased, and the proportion of the building energy consumption in the total social energy consumption is estimated to be increased to about 40% by 2030, so that the social energy consumption can be obviously reduced by reducing the building energy consumption. For buildings, the exchange of energy through windows is greatest indoors and outdoors, 58% in winter and 73% in summer.
Aiming at the demand of residents for improving the sound insulation standard of the housing, the residential building department shows that the 'design specification for sound insulation of civil buildings' is revised at present, and the improvement of the sound insulation standard of the residential buildings is brought into the revision range. The national standard of engineering construction (residential design code) published by the Ministry of construction (GB 50096-2011) No. 7.3.1 specifies that the equivalent continuous A sound level in a bedroom is not greater than 45dB in daytime and not greater than 37dB at night; the equivalent continuous a sound level of a living room (living room) should not be more than 45dB, aiming at providing a quiet indoor living environment for the occupants.
The existing heat insulation treatment technology for building glass comprises hollow double-layer glass, vacuum glass, film-coated glass and the like, and the technologies have the disadvantages of complex processing, high cost and unsatisfactory heat insulation effect. The transparent heat-insulating coating or adhesive film for glass has the advantages of simple process and the like, is not limited by the shape of a window, and is widely applied. The heat insulation filler in the transparent heat insulation coating or the adhesive film mainly comprises the following components: semiconductor metal oxide, lanthanum hexaboride LaB6And Low-E glass, and the like. The semiconductor metal oxide mainly comprises Indium Tin Oxide (ITO) and Antimony Tin Oxide (ATO), infrared rays are shielded by utilizing a plasma resonance effect, and the semiconductor metal oxide can be prepared on a large scale, but the cost of indium and antimony elements is high. LaB6The coating can only singly regulate and control visible light and near infrared short wave band regions. The Low-E glass takes a metal silver film with the thickness of 8-12nm as a core functional layer, is deposited by adopting a physical coating method, has high visible light transmittance and excellent heat insulation effect, and can shield most of middle and far infrared rays. However, the Low-E coating has a complex structure and cannot be used for in-situ coating of the building glass; and the Ag layer has short service life in air, and generally needs to be sealed in a double-layer glass assembly.
And tungsten bronze materialThe material has the outstanding advantages that the material has excellent shielding capability on the whole infrared region (800-2500 nm) of sunlight, can especially reduce the near infrared light transmittance of 900-1200nm wave band to below 10 percent, has good visible light transmittance, and is low in price, thus being an ideal filler for manufacturing transparent heat insulation paint or adhesive film. For example, chinese patent 'CN 109233362B is a self-cleaning nano heat-insulating coating based on cesium tungsten bronze and preparation method thereof' uses WCl6And CsOH 5H2Preparing nano cesium tungsten bronze particles by using O as a raw material, PVP as a surfactant and acetic acid as an acid catalyst through a hydrothermal method, and adjusting the cesium tungsten bronze/TiO2The concentration of the composite particle water-based slurry is used for obtaining the hydrophilic self-cleaning nano heat-insulating coating, the visible light transmittance of the self-cleaning nano heat-insulating glass coating is about 80 percent, and the infrared blocking rate of the self-cleaning nano heat-insulating glass coating is about 85 percent.
Conventional soundproof materials include sound barriers and conventional sound-absorbing materials based on the principle of reflection of sound waves, soundproof cotton using the principle of vibration of sound wave cavities, and the like. The materials all have the defects of large occupied area and being not beneficial to being placed in a narrow space. Compared with the prior art, the polymer sound insulation coating can play a sound insulation and vibration reduction effect and is convenient to coat and place. This is mainly due to the internal friction between the polymer segments, between the polymer and the filler, and between the filler in the coating. At present, there are reports related to polymer sound-insulating coatings, for example, chinese patent CN109337550B, a two-component transparent sound-insulating coating prepared by using aqueous polyurethane and a silane coupling agent with an epoxy structure, and a preparation and use method thereof, and the two-component transparent sound-insulating coating is applied to a glass surface by a spraying process to form a transparent sound-insulating coating, which can ensure lighting and effectively reduce outdoor noise.
At present, no report exists on preparing a transparent coating with sound insulation and heat insulation functions. For example, in the Chinese patent "CN107201095A is a sound and heat insulation coating", closed-cell resin foam particles are added as an additive when the latex paint for the inner and outer walls is manufactured, or resin foam particles are added in the existing latex paint for the inner and outer walls, so that the filling is convenient, the weight is light, and the sound and heat insulation effect is obvious. However, most of the existing sound-proof and heat-insulating coatings are not suitable for building glass which can not meet lighting requirements or have complex preparation process. At present, few reports on transparent sound-insulating and heat-insulating coatings for civil windows exist.
Disclosure of Invention
The purpose of the invention is as follows: in order to solve the technical problems, the invention provides a transparent sound-insulation heat-insulation coating and a preparation method thereof.
The technical scheme is as follows: the invention relates to a transparent sound-insulation heat-insulation coating which comprises the following components:
100 parts by mass of a polymer resin; 30-70 parts by mass of sound insulation elements; 1.61-4.83 parts by mass of heat insulation filler; 700 parts by mass of a solvent.
Preferably, the sound insulation element is one or more of organic small molecular hindered phenol tetra [ beta- (3,5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester, diethylene glycol bis [ P- (3-tert-butyl-4-hydroxy-5-methylphenyl) propionate ], 3,9-bis [1,1-dimethyl-2- [ (3-tert-butyl-4-hydroxy-5-methylphenyl) propionyloxy ] ethyl ] -2,4,8,10-tetraoxaspiro [5.5] undecane.
Preferably, the heat insulation filler is one or more of a nano-grade tungsten bronze material, a semiconductor metal oxide and lanthanum hexaboride.
Preferably, the polymer resin is polyvinyl butyral.
Preferably, the solvent is ethanol.
A preparation method of a transparent sound-proof and heat-insulation coating comprises the following steps:
(1) Heating, mixing and stirring the solvent and the small organic molecular hindered phenol at 65-80 ℃ for 1-2h at a stirring speed of 500-800rpm until the hindered phenol is completely dissolved to obtain a hindered phenol solution;
(2) Adding a heat insulation filler into the hindered phenol solution obtained in the step (1), continuously heating, mixing and stirring at 80 ℃ for 1-2h at the stirring speed of 500-800rpm until the heat insulation filler is fully dispersed to obtain a sound and heat insulation composite dispersion liquid;
(3) And (3) adding the high molecular resin into the sound-insulating and heat-insulating composite dispersion liquid obtained in the step (2), heating, mixing and stirring at the temperature of 80 ℃ for 3-4h at the stirring speed of 500-800rpm until the resin is completely dissolved, thus obtaining the transparent sound-insulating and heat-insulating coating.
Preferably, when using the pentaerythrityl ester of the small organic molecule hindered phenol tetrakis [ beta- (3,5-di-tert-butyl-4-hydroxyphenyl) propanoate ] the dissolution temperature in ethanol is at least 65 ℃, when using the small organic molecule hindered phenol diethylene glycol bis [ P- (3-tert-butyl-4-hydroxy-5-methylphenyl) propanoate ], the dissolution temperature in ethanol is at least 80 ℃, and when using the small organic molecule hindered phenol 3,9-bis [1,1-dimethyl-2- [ (3-tert-butyl-4-hydroxy-5-methylphenyl) propionyloxy ] ethyl ] -2,4,8,10-tetraoxaspiro [5.5] undecane, the dissolution temperature in ethanol is at least 80 ℃.
Preferably, when the organic small molecular hindered phenol tetra [ beta- (3,5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester is used, at most 30 parts by mass are added; when organic small molecular hindered phenol-diethylene glycol bis [ P- (3-tert-butyl-4-hydroxy-5-methylphenyl) propionate ] is used, 70 parts by mass at most are added; when the small organic molecule hindered phenol 3,9-bis [1,1-dimethyl-2- [ (3-tert-butyl-4-hydroxy-5-methylphenyl) propionyloxy ] ethyl ] -2,4,8,10-tetraoxaspiro [5.5] undecane is used, 100 parts by mass at the maximum is added.
Has the beneficial effects that: in the preparation method, the used solvent is ethanol, so the toxicity is low and the solvent is volatile. The construction process is simple, the drying speed is high, the construction period is greatly shortened, and various methods such as brushing, spraying, dip-coating and the like can be adopted for construction; the defects of large occupied area and opaqueness of the traditional sound insulation material are overcome, more functionality is given to the coating, and a product with excellent comprehensive performance is obtained. The use of the heat-insulating filler ensures that the coating has excellent shielding capability in the whole infrared region (800-2500 nm) of sunlight, and particularly can reduce the near-infrared light transmittance of 900-1200nm wave band to below 10 percent; meanwhile, the material also has the advantages of non-toxic raw materials, low price and the like, and effectively reduces the heat exchange between the building and the vehicle glass.
Drawings
FIG. 1 is a schematic test diagram;
FIG. 2 is a graph of the sound-insulating properties of a coating prepared by preparing a coating according to example 1, the coating having a thickness of 600 μm;
FIG. 3 is a graph of the sound-insulating properties of a coating prepared by preparing a coating according to example 2, the coating having a thickness of 600 μm;
FIG. 4 is a graph of the sound-insulating properties of a coating prepared by preparing a coating according to example 3, the coating having a thickness of 600 μm;
FIG. 5 is a plot of the sound damping properties of a coating prepared by preparing a coating according to example 4, the coating having a thickness of 600 μm;
FIG. 6 is a graph of the thermal insulation performance of coatings prepared according to the coatings prepared in examples 4 and 5, the coating thickness being 600 μm;
FIG. 7 is a transmittance curve for a coating prepared according to example 5 and having a coating thickness of 600 μm.
Detailed Description
The invention is further illustrated by the following examples and figures.
The invention provides a transparent sound-proof and heat-insulating coating which comprises the following components: 100 parts by mass of a polymer resin; 30-70 parts by mass of sound insulation elements; 1.61-4.83 parts by mass of heat insulation filler; 700 parts by mass of a solvent. The sound insulation element is at least one of organic small molecular hindered phenol tetra [ beta- (3,5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester (AO-60), diethylene glycol bis [ P- (3-tert-butyl-4-hydroxy-5-methylphenyl) propionate ] (AO-70), 3,9-bis [1,1-dimethyl-2- [ (3-tert-butyl-4-hydroxy-5-methylphenyl) propionyloxy ] ethyl ] -2,4,8,10-tetraoxaspiro [5.5] undecane (AO-80); the heat insulation filler is one or more of nano-grade tungsten bronze material, semiconductor metal oxide and lanthanum hexaboride. The polymer resin is polyvinyl butyral (PVB). The solvent is ethanol.
Example 1
(1) Heating, mixing and stirring 700 parts by mass of solvent ethanol and 30 parts by mass of small organic molecular hindered phenol AO-60 at the stirring temperature of 65 ℃ for 2 hours at the stirring speed of 500rpm until the hindered phenol is completely dissolved to obtain a hindered phenol solution;
(2) Adding 1.61 parts by mass of heat-insulating filler tungsten bronze dispersion liquid into the hindered phenol solution obtained in the step (1), continuously heating, mixing and stirring, wherein the stirring temperature is 80 ℃, the stirring time is 2 hours, and the stirring speed is 500rpm until the heat-insulating filler dispersion liquid is completely dissolved, so as to obtain heat-insulating sound-insulating composite dispersion liquid;
(3) And (3) adding 100 parts by mass of PVB resin powder into the heat and sound insulation composite dispersion liquid obtained in the step (2), heating and stirring at the stirring temperature of 80 ℃ for 4 hours at the stirring speed of 500rpm until the resin is completely dissolved, thus obtaining the transparent sound and heat insulation coating.
Example 2
(1) Heating, mixing and stirring 700 parts by mass of solvent ethanol and 30 parts by mass of small organic molecular hindered phenol AO-70 at the stirring temperature of 80 ℃ for 2 hours at the stirring speed of 500rpm until the hindered phenol is completely dissolved to obtain a hindered phenol solution;
(2) Adding 1.61 parts by mass of heat-insulating filler tungsten bronze dispersion liquid into the hindered phenol solution obtained in the step (1), continuously heating, mixing and stirring, wherein the stirring temperature is 80 ℃, the stirring time is 2 hours, and the stirring speed is 500rpm until the heat-insulating filler dispersion liquid is completely dissolved, so as to obtain heat-insulating sound-insulating composite dispersion liquid;
(3) And (3) adding 100 parts by mass of PVB resin powder into the heat-insulation and sound-insulation composite dispersion liquid obtained in the step (2), heating and stirring at the temperature of 80 ℃ for 4 hours at the stirring speed of 500rpm until the resin is completely dissolved, thus obtaining the transparent sound-insulation and heat-insulation coating.
Example 3
(1) Heating, mixing and stirring 700 parts by mass of solvent ethanol and 50 parts by mass of small organic molecular hindered phenol AO-70 at the stirring temperature of 80 ℃ for 2 hours at the stirring speed of 500rpm until the hindered phenol is completely dissolved to obtain a hindered phenol solution;
(2) Adding 1.61 parts by mass of heat insulation filler tungsten bronze dispersion liquid into the hindered phenol solution obtained in the step (1), continuously heating, mixing and stirring, wherein the stirring temperature is 80 ℃, the stirring time is 2 hours, and the stirring speed is 500rpm until the heat insulation filler dispersion liquid is completely dissolved, so as to obtain heat insulation and sound insulation composite dispersion liquid;
(3) And (3) adding 100 parts by mass of PVB resin powder into the heat-insulation and sound-insulation composite dispersion liquid obtained in the step (2), heating and stirring at the temperature of 80 ℃ for 4 hours at the stirring speed of 500rpm until the resin is completely dissolved, thus obtaining the transparent sound-insulation and heat-insulation coating.
Example 4
(1) Heating, mixing and stirring 700 parts by mass of solvent ethanol and 70 parts by mass of organic small molecular hindered phenol AO-70 at the stirring temperature of 80 ℃ for 2 hours at the stirring speed of 500rpm until the hindered phenol is completely dissolved to obtain a hindered phenol solution;
(2) Adding 1.61 parts by mass of heat insulation filler tungsten bronze dispersion liquid into the hindered phenol solution obtained in the step (1), continuously heating, mixing and stirring, wherein the stirring temperature is 80 ℃, the stirring time is 2 hours, and the stirring speed is 500rpm until the heat insulation filler dispersion liquid is completely dissolved, so as to obtain heat insulation and sound insulation composite dispersion liquid;
(3) And (3) adding 100 parts by mass of PVB resin powder into the heat and sound insulation composite dispersion liquid obtained in the step (2), heating and stirring at the stirring temperature of 80 ℃ for 4 hours at the stirring speed of 500rpm until the resin is completely dissolved, thus obtaining the transparent sound and heat insulation coating.
Example 5
(1) Heating, mixing and stirring 700 parts by mass of solvent ethanol and 70 parts by mass of organic small molecular hindered phenol AO-70 at the stirring temperature of 80 ℃ for 2 hours at the stirring speed of 500rpm until the hindered phenol is completely dissolved to obtain a hindered phenol solution;
(2) Adding 4.83 parts by mass of heat-insulating filler tungsten bronze dispersion liquid into the hindered phenol solution obtained in the step (1), continuously heating, mixing and stirring, wherein the stirring temperature is 80 ℃, the stirring time is 2 hours, and the stirring speed is 500rpm until the heat-insulating filler dispersion liquid is completely dissolved, so as to obtain heat-insulating sound-insulating composite dispersion liquid;
(3) And (3) adding 100 parts by mass of PVB resin powder into the heat and sound insulation composite dispersion liquid obtained in the step (2), heating and stirring at the stirring temperature of 80 ℃ for 4 hours at the stirring speed of 500rpm until the resin is completely dissolved, thus obtaining the transparent sound and heat insulation coating.
The transparent sound-proof and heat-insulation coating obtained in the embodiment 1-5 is dried for 96 hours at the temperature of 25 ℃ to form a film.
After the transparent sound-insulation heat-insulation coating obtained in the embodiment 1-4 is formed into a film, the sound-insulation capability of the transparent sound-insulation heat-insulation coating is tested by using a Huashengchang DT-855 decibel instrument, the test schematic diagram is shown in figure 1, and the sample sizes are as follows: the length is 60mm, the width is 60mm, and the thickness is 0.6mm; the test temperature is 20 ℃; the noise frequency is 100Hz.
Transparent soundproof and heat resistant coating obtained in examples 4 and 5The insulation curve sample size was tested after film formation using a japanese WACOM solar simulator WXL-155 SS: the length is 60mm, the width is 60mm, and the thickness is 0.6mm; the optical power density is 1000W/m2。
After the transparent sound-insulation and heat-insulation coating obtained in example 5 is prepared into a transparent sound-insulation and heat-insulation glass coating by using a spin coater, an ultraviolet-visible spectrophotometer (Cary 5000 spectrophotometer, agilent, USA) is used for testing the transmittance curve, and the testing temperature is 20 ℃; and (3) testing wavelength: 300-2500nm.
From fig. 2-5, the sound insulation performance of the material can be seen, and the noise of 100Hz can be reduced by about 15dBA by the PVB itself; FIG. 2 shows that 100Hz noise is reduced by about 22.5dBA after 30 parts by mass of AO-60 is added to PVB; FIG. 3 shows that the 100Hz noise is reduced by about 25dBA after 30 parts by mass of AO-70 is added to PVB; FIG. 4 shows that the 100Hz noise is reduced by about 27.5dBA after 50 parts by mass of AO-70 is added to PVB; FIG. 5 shows that 100Hz noise can be reduced by about 30dBA after 70 parts by mass of AO-70 is added to PVB; the hindered phenol AO-70 has better sound insulation effect than the hindered phenol AO-60, and the noise reduction effect is more obvious after more AO-70 is added, so the addition of AO-70 can be adjusted according to the actual application condition to reduce the noise. The noise is reduced to a range which is harmless to people, and the sound insulation performance of the material is proved to be particularly excellent.
Fig. 6 shows the heat insulation performance of the material, after 1.61 parts by mass of tungsten bronze dispersion liquid is added into PVB, the temperature is reduced by about 2 ℃, and after 4.83 parts by mass of tungsten bronze dispersion liquid is added, the temperature is reduced by about 7.5 ℃, so that the nano heat insulation tungsten bronze material has excellent heat insulation performance, and therefore, the content of the tungsten bronze dispersion liquid can be adjusted according to actual application conditions, and the heat insulation effect is adjusted.
Fig. 7 shows that the visible light transmittance of the transparent sound and heat insulating coating is about 80%, and the near infrared blocking rate is about 90%.
Claims (8)
1. The transparent sound-proof heat-insulating coating is characterized by comprising the following components:
100 parts by mass of a polymer resin; 30-70 parts by mass of sound insulation elements; 1.61-4.83 parts by mass of heat insulation filler; 700 parts by mass of a solvent.
2. A transparent sound and heat insulating coating according to claim 1, characterized in that: the sound insulation element is one or more of organic small molecular hindered phenol tetra [ beta- (3,5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester, diethylene glycol bis [ P- (3-tert-butyl-4-hydroxy-5-methylphenyl) propionate ], 3,9-bis [1,1-dimethyl-2- [ (3-tert-butyl-4-hydroxy-5-methylphenyl) propionyloxy ] ethyl ] -2,4,8,10-tetraoxaspiro [5.5] undecane.
3. A transparent sound and heat insulating coating according to claim 1, characterized in that: the heat insulation filler is one or more of a nano-grade tungsten bronze material, a semiconductor metal oxide and lanthanum hexaboride.
4. A transparent sound and heat insulating coating according to claim 1, characterized in that: the high molecular resin is polyvinyl butyral.
5. A transparent sound and heat insulating coating according to claim 1, characterized in that: the solvent is ethanol.
6. A method for preparing a transparent soundproof and heat insulating coating material according to any one of claims 1 to 5, characterized by comprising the steps of:
(1) Heating, mixing and stirring the solvent and the small organic molecular hindered phenol at 65-80 ℃ for 1-2h at a stirring speed of 500-800rpm until the hindered phenol is completely dissolved to obtain a hindered phenol solution;
(2) Adding a heat insulation filler into the hindered phenol solution obtained in the step (1), continuously heating, mixing and stirring at the temperature of 80 ℃ for 1-2 hours at the stirring speed of 500-800rpm until the heat insulation filler is fully dispersed to obtain a sound insulation and heat insulation composite dispersion liquid;
(3) And (3) adding the high molecular resin into the sound-insulation and heat-insulation composite dispersion liquid obtained in the step (2), heating, mixing and stirring at the temperature of 80 ℃ for 3-4h at the stirring speed of 500-800rpm until the resin is completely dissolved, and thus obtaining the transparent sound-insulation and heat-insulation coating.
7. The method for preparing a transparent soundproof coating according to claim 6, wherein: when the small organic molecule hindered phenol tetra [ beta- (3,5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester is used, the dissolution temperature in ethanol is at least 65 ℃, when the small organic molecule hindered phenol diethylene glycol bis [ P- (3-tert-butyl-4-hydroxy-5-methylphenyl) propionate ] is used, the dissolution temperature in ethanol is at least 80 ℃, and when the small organic molecule hindered phenol 3,9-bis [1,1-dimethyl-2- [ (3-tert-butyl-4-hydroxy-5-methylphenyl) propionyloxy ] ethyl ] -2,4,8,10-tetraoxaspiro [5.5] undecane is used, the dissolution temperature in ethanol is at least 80 ℃.
8. The method for preparing a transparent soundproof coating according to claim 6, characterized in that: when organic small molecular hindered phenol tetra [ beta- (3,5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester is used, at most 30 parts by mass are added; when organic small molecular hindered phenol-diethylene glycol bis [ P- (3-tert-butyl-4-hydroxy-5-methylphenyl) propionate ] is used, 70 parts by mass at most are added; when the small organic molecule hindered phenol 3,9-bis [1,1-dimethyl-2- [ (3-tert-butyl-4-hydroxy-5-methylphenyl) propionyloxy ] ethyl ] -2,4,8,10-tetraoxaspiro [5.5] undecane is used, 100 parts by mass at the maximum is added.
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