CN114481636B - Textile coating with radiation refrigeration function and preparation method thereof - Google Patents
Textile coating with radiation refrigeration function and preparation method thereof Download PDFInfo
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- CN114481636B CN114481636B CN202210086209.9A CN202210086209A CN114481636B CN 114481636 B CN114481636 B CN 114481636B CN 202210086209 A CN202210086209 A CN 202210086209A CN 114481636 B CN114481636 B CN 114481636B
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- 238000000576 coating method Methods 0.000 title claims abstract description 51
- 239000011248 coating agent Substances 0.000 title claims abstract description 44
- 239000004753 textile Substances 0.000 title claims abstract description 33
- 230000005855 radiation Effects 0.000 title claims abstract description 31
- 238000005057 refrigeration Methods 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title abstract description 10
- 239000000945 filler Substances 0.000 claims abstract description 59
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 32
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 32
- 239000000049 pigment Substances 0.000 claims abstract description 24
- 239000002245 particle Substances 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000002270 dispersing agent Substances 0.000 claims abstract description 7
- 239000002562 thickening agent Substances 0.000 claims abstract description 7
- 239000000080 wetting agent Substances 0.000 claims abstract description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 17
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical group O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 16
- 239000004814 polyurethane Substances 0.000 claims description 13
- 229920002635 polyurethane Polymers 0.000 claims description 13
- 239000004408 titanium dioxide Substances 0.000 claims description 7
- 239000002518 antifoaming agent Substances 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 239000000654 additive Substances 0.000 claims description 2
- 230000000996 additive effect Effects 0.000 claims description 2
- 239000002346 layers by function Substances 0.000 abstract description 26
- 238000002310 reflectometry Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 8
- 239000012752 auxiliary agent Substances 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 3
- 239000013530 defoamer Substances 0.000 abstract 1
- 239000002994 raw material Substances 0.000 description 11
- 239000010410 layer Substances 0.000 description 10
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 8
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 6
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 6
- 239000002105 nanoparticle Substances 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 239000005995 Aluminium silicate Substances 0.000 description 4
- 235000012211 aluminium silicate Nutrition 0.000 description 4
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 239000011787 zinc oxide Substances 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 239000011324 bead Substances 0.000 description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 description 3
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000295 emission spectrum Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- -1 lithopone Chemical compound 0.000 description 1
- 229920005792 styrene-acrylic resin Polymers 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06N3/042—Acrylic polymers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
- D06N3/0088—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by directly applying the resin
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/06—Properties of the materials having thermal properties
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/08—Properties of the materials having optical properties
- D06N2209/0876—Reflective
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/10—Properties of the materials having mechanical properties
- D06N2209/103—Resistant to mechanical forces, e.g. shock, impact, puncture, flexion, shear, compression, tear
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/16—Properties of the materials having other properties
- D06N2209/1642—Hardnes
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Laminated Bodies (AREA)
- Paints Or Removers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a textile coating with a radiation refrigeration function and a preparation method thereof, wherein the textile coating is prepared by coating a coating with the radiation refrigeration function, and the radiation refrigeration coating comprises the following components in percentage by mass: 20.5% -39.85% of aqueous acrylic resin, 30.04% -47.15% of reflective pigment filler, 0.23% -0.43% of dispersing agent, 0.09% -0.15% of wetting agent, 0.25% -0.52% of defoamer, 0.27% -0.56% of thickener, 0.37% -0.72% of film forming auxiliary agent and 26.99% -37.99% of water, wherein the elongation at break of the aqueous acrylic resin is 400% -850%, the reflective pigment filler comprises a first filler and a second filler, the particle size of the second filler is larger than that of the first filler, the mass ratio of the first filler to the second filler is 6.5:1-1:3, the textile coating adopts a one-step coating method to form a functional layer on the surface of the textile material, the reflectivity of the functional layer in visible light and infrared light is more than or equal to 85%, and the emissivity of the functional layer in a 7-14 μm wave band is more than or equal to 85%. The textile coating has the advantages of simple preparation method and process, soft and folding-resistant surface and the like while having good radiation refrigeration function and cooling effect.
Description
Technical Field
The invention relates to a functional coating, in particular to a textile coating with a radiation refrigeration function and a preparation method thereof.
Background
The radiation refrigeration technology is used as a novel passive refrigeration technology with zero energy consumption and zero pollution, has wide application prospect, and accords with the national green development concept. The radiation refrigeration coating is coated on the surface of the textile, so that the heat transfer on the surface of the textile is inhibited, the temperature inside the textile cover is reduced, and the effects of energy conservation and heat insulation are achieved.
However, in order to achieve a better radiation refrigeration effect, the radiation refrigeration functional layer of the existing textile needs to be overlapped with a plurality of layers of coating, so that the thickness is thicker, the flexibility of the textile is poor, the coating is easy to crack, the application of the coating is limited, in addition, the thickness of the radiation refrigeration functional layer is thicker, the industrialized production flow matched with the radiation refrigeration functional layer is complex, the cost is higher, and the processing waste is easy to cause.
Chinese patent publication No. CN201510846914.4 discloses a radiation refrigeration double-layer nano-coatingThe upper layer of the coating is a reflective nanoparticle layer formed by nanoparticles with the particle size range of 200-1000nm, and the lower layer of the coating is an emissive nanoparticle layer formed by nanoparticles with the particle size range of 40-100 nm. The reflective nanoparticle layer contains TiO2 and ZnO, znS, zrO 2 Or Y 2 O 3 One or more substances in the emitting nanoparticle layer containing SiC and SiO 2 One or more substances in BN. The coating is formed by a multi-layer structure, increases the preparation and application cost, and is unfavorable for the high-efficiency application of the passive radiation refrigeration material.
Disclosure of Invention
The invention aims to: the invention aims to provide a textile coating which can achieve a high radiation refrigeration effect by only one layer and is easy to process. The invention also provides a preparation method of the textile coating with the radiation refrigeration function.
The technical scheme is as follows: the invention provides a textile coating with a radiation refrigeration function, which is prepared from a coating with a radiation refrigeration function, and the coating comprises the following components in percentage by mass: 20.5 to 39.85 percent of water-based acrylic resin, 30.04 to 47.15 percent of reflective pigment filler, 0.23 to 0.43 percent of dispersing agent, 0.09 to 0.15 percent of wetting agent, 0.25 to 0.52 percent of defoaming agent, 0.27 to 0.56 percent of thickening agent, 0.37 to 0.72 percent of film forming auxiliary agent and 26.99 to 37.99 percent of water.
Further, the elongation at break of the aqueous acrylic resin is 400-850%.
Further, the aqueous acrylic resin is selected from one or more of pure acrylic resin, styrene-acrylic resin, vinyl acetate-acrylic resin, epoxy modified acrylic resin, polyurethane modified acrylic resin, organosilicon modified acrylic resin, fluorocarbon modified acrylic resin and silicon-acrylic hybrid acrylic resin.
Further, the reflective pigment filler comprises a first filler and a second filler, wherein the first filler and the second filler are respectively and independently selected from one or more of aluminum oxide, zinc oxide, titanium dioxide, magnesium oxide, calcium oxide, barium sulfate, calcium carbonate, talcum powder, lithopone, kaolin, hollow glass beads and ceramic powder, the titanium dioxide has a high refractive index and high covering power, can protect the stability of a medium, can enhance the mechanical strength and adhesive force of a coating, and the aluminum oxide, the zinc oxide, the magnesium oxide, the calcium oxide, the barium sulfate, the calcium carbonate, the talcum powder, the lithopone, the kaolin, the hollow glass beads and the ceramic powder can be used for partially replacing the titanium dioxide, so that the reflectivity is improved and the cost is reduced.
Further, the mass ratio of the first filler to the second filler is 6.5:1-1:3.
Further, the particle size of the first filler is 0.01-1.4 μm, the particle size of the second filler is 0.5-18.6 μm, and the particle size of the second filler is larger than that of the first filler.
Further, the mass ratio of the reflective pigment filler to the aqueous acrylic resin is 1:1.3-2.3:1.
According to the preparation method of the textile coating with the radiation refrigeration function, after raw materials of the radiation refrigeration coating are uniformly mixed, a one-step coating method is adopted to form a functional layer on the surface of a textile substrate.
Further, the functional layer has a thickness of 30 μm to 200 μm.
Furthermore, the reflectivity of the functional layer in visible light and infrared light is more than or equal to 85 percent, and the emissivity of the functional layer in the wave band of 7-14 mu m is more than or equal to 85 percent.
The raw materials of the textile coating adopt the aqueous acrylic resin with the elongation at break of 400-850% as the base material, so that the defects that the traditional coating is not soft, poor in folding resistance, and incapable of achieving ideal reflection effect due to low pigment filling amount of polyurethane emulsion can be overcome, meanwhile, the reflective pigment is dispersed in the aqueous acrylic resin base material, the function of reflecting visible light and infrared light by the functional layer is endowed by the synergistic effect of two or more reflective pigments, the visible light and infrared light in sunlight are reflected by the functional layer, the solar heat absorption is minimized by the high reflection capability of solar radiation energy, and simultaneously, the heat is emitted out by an atmospheric window in an infrared radiation mode, and the textile coating has a remarkable cooling effect.
The beneficial effects are that: compared with the prior art, the invention has the following remarkable advantages:
(1) Easy to process: the textile coating adopts a one-step coating method to directly coat the functional raw materials on the surface of the flexible substrate, has simple preparation process, is beneficial to processing production and reduces processing waste;
(2) Excellent radiation refrigerating effect: the textile coating has good radiation refrigeration function and cooling effect, the reflectivity of the prepared functional layer in visible light and infrared light is more than or equal to 85 percent, the emissivity of the functional layer in a 7-14 mu m wave band is more than or equal to 85 percent, and the textile coating also has the advantages of soft surface, folding resistance and the like.
Drawings
FIG. 1 is a reflection spectrum of the visible-near infrared region of example 1 of the present invention;
FIG. 2 is a reflection spectrum of the visible-near infrared region of example 2 of the present invention;
FIG. 3 is a reflection spectrum of the visible-near infrared region of example 3 of the present invention;
FIG. 4 is a reflection spectrum of the visible-near infrared region of example 4 of the present invention;
FIG. 5 is an emission spectrum of example 4 of the present invention;
fig. 6 is a schematic view showing the appearance of the textile coating according to example 1 of the present invention.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings.
Example 1: the invention relates to a textile coating with a radiation refrigeration function, which comprises the following raw materials in percentage by mass: 28.57% of polyurethane modified acrylic resin, 42.86% of reflective pigment filler, 0.35% of dispersing agent, 0.15% of wetting agent, 0.30% of defoaming agent, 0.27% of thickening agent, 0.51% of film forming additive and 26.99% of water, wherein the elongation at break of the polyurethane modified acrylic resin is 780%, the first filler in the reflective pigment filler is titanium dioxide, the particle size is 0.01-0.26 mu m, the second filler is ceramic powder, the particle size is 1.8-3.5 mu m, the mass ratio of the first filler to the second filler is 6.5:1, and the mass ratio of the reflective pigment filler to the polyurethane modified acrylic resin is 1.5:1.
After the raw materials of the textile coating are uniformly mixed, a functional layer is formed on a flexible substrate by adopting a one-step coating method, the thickness of the functional layer is 140 mu m, the reflectivity of visible light and infrared light is 90.57 percent, and the emissivity of the functional layer in the 7 mu m-14 mu m wave band is 96.8 percent as shown in figure 1.
Example 2: the invention relates to a textile coating with a radiation refrigeration function, which comprises the following raw materials in percentage by mass: 30.04% of polyurethane modified acrylic resin, 30.04% of reflective pigment filler, 0.23% of dispersing agent, 0.09% of wetting agent, 0.45% of defoaming agent, 0.62% of thickening agent, 0.54% of film forming auxiliary agent and 37.99% of water, wherein the elongation at break of the polyurethane modified acrylic resin is 630%, the first filler in the reflective pigment filler comprises titanium dioxide, zinc oxide and aluminum oxide, the particle size is 0.10-0.43 mu m, the second filler comprises hollow glass beads, the particle size is 11.3-18.6 mu m, the mass ratio of the first filler to the second filler is 4.8:1, and the mass ratio of the reflective pigment filler to the polyurethane modified acrylic resin is 1:1.
After the raw materials of the textile coating are uniformly mixed, a functional layer is formed on a flexible substrate by adopting a one-step coating method, the thickness of the functional layer is 30 mu m, the reflectivity of visible light and infrared light is 85.83 percent, and the emissivity of the functional layer in the 7 mu m-14 mu m wave band is 90.5 percent as shown in figure 2.
Example 3: the invention relates to a textile coating with a radiation refrigeration function, which comprises the following raw materials in percentage by mass: 20.5% of organosilicon modified acrylic resin, 47.15% of reflective pigment filler, 0.43% of dispersing agent, 0.12% of wetting agent, 0.25% of defoaming agent, 0.42% of thickening agent, 0.37% of film forming auxiliary agent and 30.76% of water, wherein the elongation at break of the organosilicon modified acrylic resin is 850%, the first filler in the reflective pigment filler comprises titanium dioxide and ceramic powder, the particle size is 0.30-1.2 mu m, the second filler comprises alumina, kaolin and talcum powder, the particle size is 0.5-6 mu m, the mass ratio of the first filler to the second filler is 2:1, and the mass ratio of the reflective pigment filler to the polyurethane modified acrylic resin is 2.3:1.
After the raw materials of the textile coating are uniformly mixed, a functional layer is formed on a flexible substrate by adopting a one-step coating method, the thickness of the functional layer is 200 mu m, the reflectivity of visible light and infrared light is 89.05 percent, and the emissivity of the functional layer in the 7 mu m-14 mu m wave band is 87.4 percent as shown in figure 3.
Example 4: the invention relates to a textile coating with a radiation refrigeration function, which comprises the following raw materials in percentage by mass: the organic silicon modified acrylic resin 39.85%, the reflective pigment filler 30.94%, the dispersing agent 0.25%, the wetting agent 0.11%, the defoaming agent 0.52%, the thickening agent 0.56%, the film forming auxiliary agent 0.72% and the water 27.05%, wherein the elongation at break of the organic silicon modified acrylic resin is 400%, the first filler in the reflective pigment filler comprises ceramic powder, alumina, calcium carbonate and barium sulfate, the particle size is 0.15-1.4 mu m, the second filler comprises alumina and kaolin, the particle size is 2.5-7 mu m, the mass ratio of the first filler to the second filler is 1:3, and the mass ratio of the reflective pigment filler to the polyurethane modified acrylic resin is 1:1.3.
After the raw materials of the textile coating are uniformly mixed, a functional layer is formed on a flexible substrate by adopting a one-step coating method, the thickness of the functional layer is 120 mu m, the reflectivity of visible light and infrared light is 87.59 percent, and the emissivity of the functional layer in the 7 mu m-14 mu m wave band is 89.3 percent as shown in figure 4.
Comparative example 1: the difference from example 1 is that the mass ratio of the reflective pigment and filler to the aqueous acrylic resin is 1:3.5, the aqueous acrylic resin is pure acrylic emulsion, the reflectivity of visible light and infrared light is 77.06%, and the emissivity in the 7-14 μm wave band is 81.3%.
Comparative example 2: the difference from example 1 is that the mass ratio of the first filler to the second filler is 1:5, the reflectance of visible light and infrared light is 66.12%, and the emissivity in the 7 μm to 14 μm band is 60.34%.
Claims (1)
1. The textile coating with the radiation refrigeration function is characterized by being prepared from a coating with the radiation refrigeration function, and the coating comprises the following components in percentage by mass: 28.57% of polyurethane modified acrylic resin, 42.86% of reflective pigment filler, 0.35% of dispersing agent, 0.15% of wetting agent, 0.30% of defoaming agent, 0.27% of thickening agent, 0.51% of film forming additive and 26.99% of water, wherein the elongation at break of the polyurethane modified acrylic resin is 780%, the first filler in the reflective pigment filler is titanium dioxide, the particle size is 0.01-0.26 mu m, the second filler is ceramic powder, the particle size is 1.8-3.5 mu m, the mass ratio of the first filler to the second filler is 6.5:1, and the mass ratio of the reflective pigment filler to the polyurethane modified acrylic resin is 1.5:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210086209.9A CN114481636B (en) | 2022-01-25 | 2022-01-25 | Textile coating with radiation refrigeration function and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210086209.9A CN114481636B (en) | 2022-01-25 | 2022-01-25 | Textile coating with radiation refrigeration function and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114481636A CN114481636A (en) | 2022-05-13 |
| CN114481636B true CN114481636B (en) | 2024-03-22 |
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| CN202210086209.9A Active CN114481636B (en) | 2022-01-25 | 2022-01-25 | Textile coating with radiation refrigeration function and preparation method thereof |
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| CN115160620B (en) * | 2022-06-29 | 2024-03-12 | 三峡大学 | Radiation refrigeration film with double-layer structure and preparation method and application thereof |
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|---|---|---|---|---|
| JP2006145912A (en) * | 2004-11-19 | 2006-06-08 | Mitsubishi Plastics Ind Ltd | Reflection film |
| CN105348892A (en) * | 2015-11-27 | 2016-02-24 | 上海交通大学 | Radiation refrigeration double-layer nanometer coating and preparation method thereof |
| CN110183922A (en) * | 2019-06-21 | 2019-08-30 | 哈尔滨拓百世环保涂料有限公司 | A kind of increase roofing distributed photovoltaic power generation system photoelectric conversion efficiency reflection-type coating and application |
| CN110896639A (en) * | 2019-07-05 | 2020-03-20 | 宁波瑞凌新能源科技有限公司 | Radiation refrigeration functional coating and application thereof |
| CN111607976A (en) * | 2020-05-26 | 2020-09-01 | 宁波瑞凌新能源科技有限公司 | Radiation refrigeration coating and application thereof, radiation refrigeration coating and textile |
| KR102340400B1 (en) * | 2021-06-07 | 2021-12-16 | 고려대학교 산학협력단 | Colored radiative cooling device |
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| JP2006145912A (en) * | 2004-11-19 | 2006-06-08 | Mitsubishi Plastics Ind Ltd | Reflection film |
| CN105348892A (en) * | 2015-11-27 | 2016-02-24 | 上海交通大学 | Radiation refrigeration double-layer nanometer coating and preparation method thereof |
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| CN110896639A (en) * | 2019-07-05 | 2020-03-20 | 宁波瑞凌新能源科技有限公司 | Radiation refrigeration functional coating and application thereof |
| CN111607976A (en) * | 2020-05-26 | 2020-09-01 | 宁波瑞凌新能源科技有限公司 | Radiation refrigeration coating and application thereof, radiation refrigeration coating and textile |
| KR102340400B1 (en) * | 2021-06-07 | 2021-12-16 | 고려대학교 산학협력단 | Colored radiative cooling device |
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