CN109836893B - Ultrahigh weather-proof low-light-transmittance high-heat-insulation inorganic functional slurry and preparation method thereof - Google Patents
Ultrahigh weather-proof low-light-transmittance high-heat-insulation inorganic functional slurry and preparation method thereof Download PDFInfo
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Abstract
The invention discloses an ultra-high weather-resistant low-light-transmittance high-heat-insulation inorganic functional slurry, which consists of 0.1 to 3 weight percent of dispersant, 10 to 30 weight percent of high weather-resistant low-light-transmittance inorganic heat-insulation pigment nano powder with the average particle size of less than or equal to 40nm and 67 to 89.9 weight percent of solvent. The slurry has the performances of high definition, ultrahigh weather resistance, low light transmittance, high heat insulation, high ultraviolet ray isolation and the like, and can be widely applied to the fields of coatings, printing ink, window films, textiles, plastic plates, plastic greenhouses, glass laminated films and the like. The invention also relates to a preparation method of the ultrahigh weather-proof low-light-transmittance high-heat-insulation inorganic functional slurry.
Description
Technical Field
The invention relates to an ultrahigh weather-proof low-light-transmittance high-heat-insulation inorganic functional slurry, and in addition, the invention also relates to a preparation method of the ultrahigh weather-proof low-light-transmittance high-heat-insulation inorganic functional slurry.
Background
In the prior art, reports that inorganic heat insulation pigment with ultrahigh weather resistance and low light transmittance is dispersed in a solvent to prepare a slurry with ultrahigh weather resistance, low light transmittance and high heat insulation inorganic function, so that the slurry has the performances of high definition, high weather resistance, low light transmittance, high heat insulation, high ultraviolet light insulation and the like, and can be widely applied to the fields of coatings, printing ink, window films, textiles, plastic plates, plastic greenhouses, glass laminated films and the like are not seen.
Disclosure of Invention
In view of the above-mentioned deficiencies of the prior art, according to embodiments of the present invention, it is desirable to provide an ultra-high weather-resistant, low light transmittance, high thermal insulation inorganic functional slurry which can be widely applied to the fields of coatings, inks, window films, textiles, plastic sheets, vinyl houses, glass laminated films, and the like, and has high definition, ultra-high weather resistance, low light transmittance, high thermal insulation, high ultraviolet light isolation, and the like.
According to the embodiment, the high-weather-resistance low-light-transmittance high-heat-insulation inorganic functional slurry provided by the invention consists of 0.1-3wt% of dispersing agent, 10-30wt% of high-weather-resistance low-light-transmittance inorganic heat-insulation pigment nano powder with the average particle size of less than or equal to 40nm and 67-89.9wt% of solvent.
According to an embodiment, in the above ultra-high weather-resistant low-transmittance high-thermal-insulation inorganic functional slurry, the dispersant is BYK110, BYK161 or TEGO Dispers 700W.
According to an embodiment of the invention, in the above ultra-high weather-resistant, low light transmittance and high thermal insulation inorganic functional slurry, the solvent is xylene, toluene or ethyl acetate.
In the present invention, as the high weather-resistant low light transmittance inorganic heat-insulating pigment nano-powder having an average particle size of not more than 40nm, the high weather-resistant low light transmittance inorganic heat-insulating pigment nano-powder described in chinese patent application CN201711170130X is used.
The preparation method of the ultrahigh weather-proof low-light-transmittance high-heat-insulation inorganic functional slurry comprises the steps of dispersing a dispersing agent into a solvent, then adding the ultrahigh weather-proof low-light-transmittance inorganic heat-insulation pigment nano powder, and finally grinding and dispersing to obtain the ultrahigh weather-proof low-light-transmittance high-heat-insulation inorganic functional slurry.
The following examples and test examples prove that the ultra-high weather-resistant low-transmittance high-heat-insulation inorganic functional slurry is prepared by using the ultra-high weather-resistant low-transmittance inorganic heat-insulation pigment, so that the slurry has the performances of high weather resistance, low transmittance, high heat insulation, high ultraviolet light insulation and the like, can be mixed with other media in different addition proportions according to different requirements, and can be widely applied to the fields of coatings, printing ink, window films, textiles, plastic greenhouse films, glass laminated films and the like.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. These examples are to be construed as merely illustrative and not limitative of the remainder of the disclosure in any way whatsoever. After reading the description of the invention, one skilled in the art can make various changes and modifications to the invention, and such equivalent changes and modifications also fall into the scope of the invention defined by the claims.
In the following examples of the present invention, the high weather-resistant low light transmittance inorganic heat-insulating pigment nanopowder having an average particle size of 40nm or less was the high weather-resistant low light transmittance inorganic heat-insulating pigment nanopowder described in chinese patent application CN 201711170130X.
The applicant of the Chinese patent application CN201711170130X has permitted Shanghai Zheng nanometer science and technology Limited to implement the patent application, and the Shanghai Zheng nanometer science and technology Limited produces the commercial inorganic heat-insulating pigment with ultrahigh weather resistance and low light transmittance according to the patent application, the product type is S-P100, and the average particle size is less than or equal to 40 nm.
The rest raw materials are all commercial products.
Example 1
Weighing 200g of dispersant BYK110, adding the dispersant BYK110 into 44.8Kg of xylene, and dispersing for 15 minutes by using a high-speed dispersion machine of EYJ-1500(500 rpm); 5Kg of S-P100 powder was added, and the mixture was dispersed at a rotation speed of 800 rpm/min for 4 hours. And then circularly grinding for 12 hours by using a relaxation-resistant ZETA nano-scale circulating sand mill to obtain the ultrahigh weather-resistant low-light-transmittance high-heat-insulation inorganic functional slurry, wherein the average particle size of the slurry is 40 nm.
Example 2
300g of dispersant BYK161 is weighed and added into 39.7Kg of ethyl acetate, and dispersed for 15 minutes by a high-speed dispersion machine of EYJ-1500(500 rpm); then 10Kg S-P100 powder is added, the rotation speed is increased to 800 rpm/min, and the dispersion is carried out for 4 hours. And then circularly grinding for 12 hours by using a relaxation-resistant ZETA nano-scale circulating sand mill to obtain the ultrahigh weather-resistant low-light-transmittance high-heat-insulation inorganic functional slurry, wherein the average particle size of the slurry is 40 nm.
Example 3
Weighing 400g of dispersant BYK110, adding the dispersant BYK110 into 37.1Kg of dimethylbenzene, and dispersing for 15 minutes by using a high-speed dispersion machine of EYJ-1500(500 rpm); then 12.5Kg of S-P100 powder was added, the rotation speed was increased to 800 rpm/min, and the dispersion was carried out for 4 hours. Then, a relaxation-resistant ZETA nano-scale circulating sand mill is used for carrying out circulating grinding for 12 hours, and the ultrahigh weather-resistant low-light-transmittance high-heat-insulation inorganic functional slurry can be obtained, wherein the average particle size of the slurry is 40 nm.
Example 4
Weighing 500g of TEGO Dispers 700W as a dispersant, adding the TEGO Dispers 700W into 34.5Kg of toluene, and dispersing for 15 minutes by using a high-speed dispersion machine of EYJ-1500(500 rpm); then 15Kg S-P100 powder is added, the rotation speed is increased to 800 rpm/min, and the dispersion is carried out for 4 hours. And then circularly grinding for 12 hours by using a relaxation-resistant ZETA nano-scale circulating sand mill to obtain the ultrahigh weather-resistant low-light-transmittance high-heat-insulation inorganic functional slurry, wherein the average particle size of the slurry is 40 nm.
Test examples
(1) According to the weight percentage of acrylic resin (40 percent of solid content): ethyl acetate: preparing inorganic functional slurry into a mixture according to the proportion of 4:4: 2;
(2) coating the mixture obtained in the step (1) on a PET film, wherein the thickness of the coating is about 10 mu m, and then coating a layer of PET film on the coating to obtain a composite film with a three-layer structure;
(3) and (3) drying the composite film in an oven at 100 ℃ for 1 minute, and taking out for later use.
(4) The PET multifunctional polyester film is tested by a spectrophotometric instrument and an optical transmittance, the infrared ray heat insulation rate is measured at 950nm and 1400nm, and the visible light transmittance is measured; and testing the weather resistance for 5000h by adopting an ASTM-D4329-13 artificial accelerated weather resistance test method. The specific test results are shown in table 1.
TABLE 1 PET film Performance index test results for each example
As can be seen from Table 1, the PET multifunctional polyester films prepared in examples 1-4 have an infrared heat insulation rate of 99.99%, an ultraviolet light insulation rate of 99.99%, and good ultraviolet light insulation and heat insulation functions; the weather resistance test for 5000 hours of examples 1 to 4 was satisfactory, and the weather resistance was extremely high. The visible light transmittance of examples 1 to 4 decreased from 40% to 7% as the amount of the ultra-high weather-resistant low-transmittance inorganic heat insulation paste increased. The haze of examples 1-4 were all good, less than 1%.
The ultra-high weather-proof low-transmittance high-heat-insulation inorganic functional slurry is prepared by using the ultra-high weather-proof low-transmittance inorganic heat-insulation pigment, so that the slurry has the performances of high weather resistance, low transmittance, high heat insulation, high ultraviolet light insulation and the like, can be mixed with other media in different addition proportions according to different requirements, and is widely applied to the fields of coatings, printing ink, window films, textiles, plastic greenhouse films, glass laminated films and the like.
Claims (2)
1. The slurry with the inorganic function of ultra-high weather resistance, low light transmittance and high heat insulation is characterized by comprising 0.1-3wt% of dispersant, 10-30wt% of high weather resistance and low light transmittance inorganic heat insulation pigment nano powder with the average particle size of less than or equal to 40nm and 67-89.9wt% of solvent, wherein:
the dispersant is BYK110, BYK161 or TEGO Dispers 700W;
the solvent is xylene, toluene or ethyl acetate;
the high-weather-resistance low-light-transmittance inorganic heat-insulation pigment nano powder with the average particle size of less than or equal to 40nm is formed by uniformly mixing inorganic mixed oxide and nano metal, wherein the inorganic mixed oxide is molybdenum trioxide (MoO)3Mainly comprises tungsten trioxide WO3And vanadium dioxide VO2The doped phase comprises the following components in percentage by mass: MoO3：20-60%，WO3：30-50%，VO2: 10 to 30 percent; the nano metal is selected from platinum Pt, gold Au, silver Ag, copper Cu, cobalt Co and cerium Ce; the addition of the nano metal is 0.01-0.2% of the inorganic mixed oxide, the average grain diameter of the nano metal is less than or equal to 40nm, and the preparation process comprises the following steps:
step one, uniformly mixing tungsten trioxide, vanadium dioxide and molybdenum trioxide according to a proportion, adding a solvent, a dispersing agent and zirconium beads with the particle size range of 0.5-5mm, and carrying out wet ball milling for 8-24 hours, wherein the addition amount of the dispersing agent is 0.1-2% of the mass of the inorganic mixed oxide;
step two: drying and crushing the product obtained in the step one, putting the product into a sintering furnace, heating to 800-1000 ℃ at a heating rate of 1-10 ℃/s, calcining, keeping the temperature for 10-20 hours, and cooling to room temperature at a cooling rate of 1-10 ℃/s;
step three: grinding the product obtained in the second step again, and filtering the product by using a 200-mesh vibrating screen to obtain an inorganic mixed oxide with an infrared heat insulation function;
step four: the inorganic mixed oxide and the nano metal are mixed uniformly.
2. The method for preparing the ultra-high weather-resistant low-transmittance high-thermal-insulation inorganic functional slurry as claimed in claim 1, wherein the dispersing agent is dispersed in the solvent, then the ultra-high weather-resistant low-transmittance inorganic thermal-insulation pigment nano-powder is added, and finally the grinding and dispersion are carried out to prepare the ultra-high weather-resistant low-transmittance high-thermal-insulation inorganic functional slurry.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101219859A (en) * | 2007-11-30 | 2008-07-16 | 华南理工大学 | Nano-oiliness ATO heat-insulating slurry, production method and uses thereof |
| CN101899249A (en) * | 2009-05-25 | 2010-12-01 | 上海复甲新型材料科技有限公司 | Transparent thermal insulation anti-ultraviolet coating and preparation method thereof |
| CN102746781A (en) * | 2012-07-16 | 2012-10-24 | 惠州市彩田化工实业有限公司 | Full-shielded infrared and ultraviolet polyurethane nanometer transparent heat insulating coating |
| CN107312392A (en) * | 2017-07-28 | 2017-11-03 | 河北晨阳工贸集团有限公司 | A kind of reflective insulation mill base and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6351037B2 (en) * | 2014-10-24 | 2018-07-04 | 関西ペイント株式会社 | Water-based thermal barrier coating for transparent substrate, method for thermal treatment of transparent substrate, and transparent substrate subjected to thermal treatment |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101219859A (en) * | 2007-11-30 | 2008-07-16 | 华南理工大学 | Nano-oiliness ATO heat-insulating slurry, production method and uses thereof |
| CN101899249A (en) * | 2009-05-25 | 2010-12-01 | 上海复甲新型材料科技有限公司 | Transparent thermal insulation anti-ultraviolet coating and preparation method thereof |
| CN102746781A (en) * | 2012-07-16 | 2012-10-24 | 惠州市彩田化工实业有限公司 | Full-shielded infrared and ultraviolet polyurethane nanometer transparent heat insulating coating |
| CN107312392A (en) * | 2017-07-28 | 2017-11-03 | 河北晨阳工贸集团有限公司 | A kind of reflective insulation mill base and preparation method thereof |
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Effective date of registration: 20230724 Address after: No. 60, Haikun Road, Fengxian District, Shanghai, 201418 Patentee after: Shanghai Huzheng New Materials Co.,Ltd. Address before: 201114 Room 403, building 2a, No. 158, Xinjun Ring Road, Minhang District, Shanghai Patentee before: Shanghai Huzheng Nano Technology Co.,Ltd. |