阅读说明：本技术 一种高透明玻璃节能恒温纳米涂料 (High-transparency glass energy-saving constant-temperature nano coating ) 是由 蔡冰 于 2019-09-17 设计创作，主要内容包括：一种高透明玻璃节能恒温纳米涂料,按制备百分比为：弹性丙烯酸树脂20-35％、透明聚氨酯树脂10-20％、环氧树脂5-7％、红外线阻隔剂10-15％、紫外线阻隔剂8-13％、分散剂0.5-0.7％、溶剂12-20％、去离子水6-12％、附着力促进剂0.3-0.8％、消泡剂0.3-0.6％、流平剂1.5-2.5％及增稠剂0.5-1％。用于玻璃涂层。所述高透明玻璃节能恒温纳米涂料层具有对玻璃粘结力强,耐候性好,硬度高,耐擦伤好等特点；其中,防晒节能纳米涂料层涂敷于玻璃上,经固化后,可见光透过率大于等于78％的情况下,可阻隔95％以上的红外线、97％以上的紫外线,达到节能、隔热、隔紫外线的目的。(A high-transparency glass energy-saving constant-temperature nano coating comprises the following components in percentage by weight: 20-35% of elastic acrylic resin, 10-20% of transparent polyurethane resin, 5-7% of epoxy resin, 10-15% of infrared blocking agent, 8-13% of ultraviolet blocking agent, 0.5-0.7% of dispersing agent, 12-20% of solvent, 6-12% of deionized water, 0.3-0.8% of adhesion promoter, 0.3-0.6% of defoaming agent, 1.5-2.5% of flatting agent and 0.5-1% of thickening agent. For glass coating. The high-transparency glass energy-saving constant-temperature nano coating layer has the characteristics of strong adhesion to glass, good weather resistance, high hardness, good scratch resistance and the like; the sun-proof energy-saving nano coating layer is coated on glass, and can block over 95 percent of infrared rays and over 97 percent of ultraviolet rays under the condition that the visible light transmittance is more than or equal to 78 percent after being cured, so that the aims of saving energy, insulating heat and isolating ultraviolet rays are fulfilled.)

1. The high-transparency glass energy-saving constant-temperature nano coating is characterized by comprising the following components in percentage by weight: 20-35% of elastic acrylic resin, 10-20% of transparent polyurethane resin, 5-7% of epoxy resin, 10-15% of infrared blocking agent, 8-13% of ultraviolet blocking agent, 0.5-0.7% of dispersing agent, 12-20% of solvent, 6-12% of deionized water, 0.3-0.8% of adhesion promoter, 0.3-0.6% of defoaming agent, 1.5-2.5% of flatting agent and 0.5-1% of thickening agent.

2. The energy-saving constant-temperature nano coating for high-transparency glass according to claim 1, wherein the infrared blocking agent is nano Antimony Tin Oxide (ATO), which is a product developed by Singapore nano material technology company and utilizing supergravity controllable precipitation and dispersion technology. The ATO nano-particles prepared by the technology have uniform granularity and high crystallinity, the primary particle size of the particles is less than 10-15 nanometers, and the specific surface area is 70m²And about/g.

3. The heat-insulating transparent glass coating as claimed in claim 1, wherein the ultraviolet blocking agent is composed of nanometer semiconductor metal oxide as main component, and can generate electron transition when irradiated by ultraviolet rays, thereby absorbing and blocking ultraviolet rays. Is a product developed by Singapore nano material science and technology company by utilizing supergravity controllable precipitation and dispersion technology.

4. The high-transparency energy-saving constant-temperature glass nano coating as claimed in claim 1, wherein the dispersant is fatty acyl diethanolamine.

5. The energy-saving constant-temperature nano coating for high-transparency glass as claimed in claim 1, wherein the solvent is one or more of ethanol, butanol, butyl acetate, toluene, xylene, ketones and ethers.

6. The energy-saving constant-temperature nano coating for high-transparency glass as claimed in claim 1, wherein the leveling agent is BYK-358N purchased from Shanghai Germany commerce Limited.

7. The high-transparency energy-saving constant-temperature nano coating for glass as claimed in claim 1, wherein the thickener is carboxymethyl cellulose.

8. The energy-saving constant-temperature nano coating for high-transparency glass as claimed in claim 1, wherein the elastic acrylic emulsion, the transparent polyurethane resin, the epoxy resin, the infrared blocking agent, the ultraviolet blocking agent, the dispersing agent and the solvent are taken and added into a dispersion machine together according to the proportion, the mixture is dispersed for one hour, then the thickening agent is dissolved into deionized water, the mixture is added into the deionized water and stirred for a moment, finally the antifoaming agent, the adhesion promoter and the leveling agent are added, and the stirring is carried out for 10-30 minutes, so that a finished product is obtained.

Technical Field

The invention discloses a high-transparency glass energy-saving constant-temperature nano coating, relates to the technical field of glass heat-insulating coatings, and particularly relates to a high-transparency glass energy-saving constant-temperature nano coating.

Background

The glass paint is one of paints, the glass surface is usually very smooth, the common paint is difficult to adhere to the glass surface, and the good glass paint forms a stable and hard paint film on the glass surface and can show the characteristics of high transparency and high gloss in appearance. The viscosity is generally low during construction, and meanwhile, the sagging phenomenon cannot be generated. It can be stably adhered to the surface of glassware, and can make the glassware beautiful and decorative by means of different colours. Since glass does not have good heat radiation insulating properties, the application of glass to buildings or structures or other fields has attracted much attention as a problem of high energy consumption. Especially, many buildings are provided with lighting glass of thousands to tens of thousands of square meters, when the external environment temperature is higher, the lighting glass absorbs a large amount of heat energy, the indoor temperature of the building is directly increased, and some can reach more than 40 ℃; when the temperature of the external environment is low, the lighting glass can radiate a large amount of heat energy outwards, so that the indoor temperature is low, and the lowest temperature can reach minus 30 ℃ in winter. In the prior art, an air conditioner or a heating device is generally used for regulating the indoor temperature, but the air conditioner or the heating device needs electric energy or other energy sources to maintain the normal operation of the air conditioner or the heating device, so that the energy sources are greatly wasted.

The glass coating is a necessary trend of industries such as glass ornaments, artware, glass containers, wine bottles and the like which are adaptive to the development of green environmental protection requirements, gradually replaces the traditional solvent type coating, occupies the mainstream field of the market, and along with the continuous expansion of the application field, provides higher and higher requirements for the functional characteristics of the glass coating, far exceeds the requirements of traditional decoration and beautification, and provides higher requirements for the performances such as wear resistance, scratch resistance, weather resistance and the like of the glass coating.

Therefore, research and search for high-performance glass heat-insulating coatings which can meet the requirements of high transparency and high heat-insulating performance have very urgent market demands.

Disclosure of Invention

The heat insulation coating provided by the invention has good sun-proof and heat insulation effects, is used for a glass heat insulation coating, has light transmittance of more than or equal to 78%, excellent waterproof performance, no harmful gas release, high film forming flexibility, acid and alkali resistance, is not easy to yellow, and has good scattering and absorption effects on ultraviolet rays and infrared rays. And the energy-saving environment-friendly, economic, safe and sanitary, and the use time is long.

The invention adopts the following technical scheme: the invention comprises the following raw materials in percentage by weight: 20-35% of elastic acrylic resin, 10-20% of transparent polyurethane resin, 5-7% of epoxy resin, 10-15% of infrared blocking agent, 8-13% of ultraviolet blocking agent, 0.5-0.7% of dispersing agent, 12-20% of solvent, 6-12% of water, 0.3-0.8% of adhesion promoter, 0.3-0.6% of defoaming agent, 1.5-2.5% of flatting agent and 0.5-1% of thickening agent.

The preparation method comprises the following steps: according to the proportion, the elastic acrylic emulsion, the transparent polyurethane resin, the epoxy resin, the infrared blocking agent, the ultraviolet blocking agent, the dispersing agent and the solvent are added into a dispersion machine together for dispersion for one hour, then the thickening agent is dissolved in deionized water, the deionized water is added into the mixed solution for stirring for a moment, finally the defoaming agent, the adhesion promoter and the flatting agent are added, and the mixture is stirred for 10 to 30 minutes to obtain a finished product.

The glass constant-temperature nano coating disclosed by the invention takes elastic acrylic acid as a main component, the elastic acrylic acid consists of 100% of acrylic acid materials and special polymerized rubber particles, has excellent toughness and extremely strong ultraviolet resistance, and has an extremely strong ultraviolet isolation effect when matched with an ultraviolet-resistant absorbent;

preferably, the infrared blocking agent is nanometer Antimony Tin Oxide (ATO), which is a product developed by Singapore nanometer material science and technology company by utilizing supergravity controllable precipitation and dispersion technology. The ATO nano-particles prepared by the technology have uniform granularity and high crystallinity, the primary particle size of the particles is less than 10-15 nanometers, and the specific surface area is 70m²And about/g.

Preferably, the main component of the ultraviolet blocking agent is nano semiconductor metal oxide, and when ultraviolet rays are irradiated, electronic transition can be generated, so that the effects of absorbing and blocking the ultraviolet rays are achieved.

Is a product developed by Singapore nano material science and technology company by utilizing supergravity controllable precipitation and dispersion technology.

Preferably, the dispersant is fatty acyl diethanolamine.

Preferably, the solvent is one or more of ethanol, butanol, butyl acetate, toluene, xylene, ketones and ethers.

Preferably, the leveling agent is BYK-358N, purchased from Shanghai Ded commerce, Inc.

Preferably, the thickener is carboxymethyl cellulose.

The paint provided by the invention avoids the hardness defect of water-based paint, is used for glass coating, has good light transmittance, does not release harmful gas, is stable and durable, and has good scattering and absorbing effects on ultraviolet rays and infrared rays. The visible light transmittance is more than or equal to 78 percent, the indoor lighting and visual field are ensured, the infrared ray blocking rate is more than 95 percent, the ultraviolet ray blocking rate is more than 97 percent, and indoor articles such as sofas, carpets and furniture are protected from being damaged by ultraviolet rays; the room temperature is reduced by 3-6 ℃ in summer, and the indoor heat preservation effect is obvious in winter; high hardness, not easy to scratch and aging, and long service life more than 10 years.

A preparation method of a high-transparency glass energy-saving constant-temperature nano coating, which comprises the following steps,

(1) preparing raw materials: selecting the following components in percentage: 20-35% of elastic acrylic resin, 10-20% of transparent polyurethane resin, 5-7% of epoxy resin, 10-15% of infrared blocking agent, 8-13% of ultraviolet blocking agent, 0.5-0.7% of dispersing agent, 12-20% of solvent, 6-12% of water, 0.3-0.8% of adhesion promoter, 0.3-0.6% of defoaming agent, 1.5-2.5% of flatting agent and 0.5-1% of thickening agent.

(2) Stirring and mixing: adding the elastic acrylic emulsion, the transparent polyurethane resin, the epoxy resin, the infrared blocking agent, the ultraviolet blocking agent, the dispersing agent and the solvent into a dispersion machine together, dispersing for one hour, dissolving the thickening agent into deionized water, adding the deionized water into the mixed solution, stirring for a moment, adding the defoaming agent, the adhesion promoter and the flatting agent, and stirring for 10-30 minutes.

(3) And (3) filtering: and when the mixed solution is stirred to be uniform and one phase, filtering the mixed solution by using 200-mesh filter cloth to obtain the high-transparency glass energy-saving constant-temperature nano coating.

The following examples prove that the high-transparency glass energy-saving constant-temperature nano coating prepared by the method has the advantages that when the coating film layer is 3 microns, the infrared ray blocking rate is greater than 95%, the ultraviolet ray blocking rate is greater than 97%, the visible light transmittance is greater than or equal to 78%, the high-heat-insulation performance and the high transparency are realized, the high-transparency glass energy-saving constant-temperature nano coating can be widely used for sun protection and energy saving of automobile glass, the life of people is improved, and the energy-saving efficiency is improved, so that the high-transparency.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention relates to a high-transparency glass energy-saving constant-temperature nano coating which comprises the following components in percentage by weight: 20-35% of elastic acrylic resin, 10-20% of transparent polyurethane resin, 5-7% of epoxy resin, 10-15% of infrared blocking agent, 8-13% of ultraviolet blocking agent, 0.5-0.7% of dispersing agent, 12-20% of solvent, 6-12% of water, 0.3-0.8% of adhesion promoter, 0.3-0.6% of defoaming agent, 1.5-2.5% of flatting agent and 0.5-1% of thickening agent.

The invention relates to a preparation method of a high-transparency glass energy-saving constant-temperature nano coating, which comprises the following steps of,

(1) preparing raw materials: selecting the following components in percentage: 20-35% of elastic acrylic resin, 10-20% of transparent polyurethane resin, 5-7% of epoxy resin, 10-15% of infrared blocking agent, 8-13% of ultraviolet blocking agent, 0.5-0.7% of dispersing agent, 12-20% of solvent, 6-12% of water, 0.3-0.8% of adhesion promoter, 0.3-0.6% of defoaming agent, 1.5-2.5% of flatting agent and 0.5-1% of thickening agent.

(2) Stirring and mixing: adding the elastic acrylic emulsion, the transparent polyurethane resin, the epoxy resin, the infrared blocking agent, the ultraviolet blocking agent, the dispersing agent and the solvent into a dispersion machine together, dispersing for one hour, dissolving the thickening agent into deionized water, adding the deionized water into the mixed solution, stirring for a moment, adding the defoaming agent, the adhesion promoter and the flatting agent, and stirring for 10-30 minutes.

(3) And (3) filtering: and when the mixed solution is stirred to be uniform and one phase, filtering the mixed solution by using 200-mesh filter cloth to obtain the high-transparency glass energy-saving constant-temperature nano coating.

Example 1:

the preparation method of the energy-saving constant-temperature nano coating for high-transparency glass comprises the following steps

(1) Preparing raw materials: selecting the following components in percentage: 25% of elastic acrylic resin, 18% of transparent polyurethane resin, 6% of epoxy resin, 13% of infrared blocking agent, 12% of ultraviolet blocking agent, 0.5% of dispersing agent, 15% of solvent, 7% of water, 0.6% of adhesion promoter, 0.4% of defoaming agent, 2% of flatting agent and 0.5% of thickening agent.

(2) Stirring and mixing: according to the proportion, the elastic acrylic emulsion, the transparent polyurethane resin, the epoxy resin, the infrared blocking agent, the ultraviolet blocking agent, the dispersing agent and the solvent are added into a dispersion machine together for dispersion for one hour, then the thickening agent is dissolved into deionized water and added into the mixed solution for stirring for a while, and finally the defoaming agent, the adhesion promoter and the flatting agent are added for stirring for 10-30 minutes.

(3) And (3) filtering: and when the mixed solution is stirred to be uniform and one phase, filtering the mixed solution by using 200-mesh filter cloth to obtain the high-transparency glass energy-saving constant-temperature nano coating.

And (3) testing optical performance: a5 mm thick glass surface was coated with a coating rod, and when the dry film thickness was adjusted to 3 μm at the time of coating, the following results were obtained by a spectrometer: the infrared ray blocking rate is 97 percent; the ultraviolet blocking rate is 98 percent; the visible light transmittance is 79%.

Example 2:

the preparation method of the energy-saving constant-temperature nano coating for high-transparency glass comprises the following steps

(1) Preparing raw materials: selecting the following components in percentage: 27% of elastic acrylic resin, 13% of transparent polyurethane resin, 6% of epoxy resin, 14% of infrared blocking agent, 12% of ultraviolet blocking agent, 0.7% of dispersing agent, 16% of solvent, 8% of water, 0.7% of adhesion promoter, 0.5% of defoaming agent, 1.5% of flatting agent and 0.6% of thickening agent.

(2) Stirring and mixing: according to the proportion, the elastic acrylic emulsion, the transparent polyurethane resin, the epoxy resin, the infrared blocking agent, the ultraviolet blocking agent, the dispersing agent and the solvent are added into a dispersion machine together for dispersion for one hour, then the thickening agent is dissolved into deionized water and added into the mixed solution for stirring for a while, and finally the defoaming agent, the adhesion promoter and the flatting agent are added for stirring for 10-30 minutes.

(3) And (3) filtering: and when the mixed solution is stirred to be uniform and one phase, filtering the mixed solution by using 200-mesh filter cloth to obtain the high-transparency glass energy-saving constant-temperature nano coating.

And (3) testing optical performance: a5 mm thick glass surface was coated with a coating rod, and when the dry film thickness was adjusted to 3 μm at the time of coating, the following results were obtained by a spectrometer: the infrared blocking rate is 98 percent; the ultraviolet blocking rate is 99 percent; the visible light transmittance is 80%.

Example 3:

the preparation method of the energy-saving constant-temperature nano coating for high-transparency glass comprises the following steps

(1) Preparing raw materials: selecting the following components in percentage: 22% of elastic acrylic resin, 18% of transparent polyurethane resin, 7% of epoxy resin, 12% of infrared blocking agent, 13% of ultraviolet blocking agent, 0.6% of dispersing agent, 18% of solvent, 6% of water, 0.8% of adhesion promoter, 0.5% of defoaming agent, 1.6% of flatting agent and 0.5% of thickening agent.

(2) Stirring and mixing: according to the proportion, the elastic acrylic emulsion, the transparent polyurethane resin, the epoxy resin, the infrared blocking agent, the ultraviolet blocking agent, the dispersing agent and the solvent are added into a dispersion machine together for dispersion for one hour, then the thickening agent is dissolved into deionized water and added into the mixed solution for stirring for a while, and finally the defoaming agent, the adhesion promoter and the flatting agent are added for stirring for 10-30 minutes.

(3) And (3) filtering: and when the mixed solution is stirred to be uniform and one phase, filtering the mixed solution by using 200-mesh filter cloth to obtain the high-transparency glass energy-saving constant-temperature nano coating.

And (3) testing optical performance: a5 mm thick glass surface was coated with a coating rod, and when the dry film thickness was adjusted to 3 μm at the time of coating, the following results were obtained by a spectrometer: the infrared blocking rate is 96%; the ultraviolet blocking rate is 99 percent; the visible light transmittance is 78%.