CN105802471A - Scratch-resisting transparent heat-insulation nano glass coating and preparation method of scratch-resisting transparent heat-insulation nano glass coating - Google Patents
Scratch-resisting transparent heat-insulation nano glass coating and preparation method of scratch-resisting transparent heat-insulation nano glass coating Download PDFInfo
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K3/2279—Oxides; Hydroxides of metals of antimony
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/39—Thiocarbamic acids; Derivatives thereof, e.g. dithiocarbamates
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- 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
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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Abstract
The invention provides scratch-resisting transparent heat-insulation nano glass coating. The scratch-resisting transparent heat-insulation nano glass coating is prepared from the following raw materials in parts by weight: 20 to 21 parts of nano antimony tin oxide, 0.2 to 0.3 part of a dispersant SN-5040, 79 to 81 parts of waterborne polyurethane resin, 30 to 35 parts of de-ionized water, 40 to 50 parts of N,N'-dimethylformamide, 20 to 22 parts of 20-percent sulfuric acid solution, 20 to 22 parts of perfluorooctanoic acid, 3 to 4 parts of methyl methacrylate, 0.1 to 0.2 part of potassium persulfate, 3 to 3.5 parts of isocyanate, 0.5 to 0.7 part of molybdenum dialkyldithiocarbamate, 0.7 to 0.8 part of antimony dialkyldithiophosphate and 1.4 to 1.6 parts of nano-cellulose. By modifying the molybdenum dialkyldithiocarbamate and the antimony dialkyldithiophosphate through utilizing the nano-cellulose, properties including wearing resistance, scratch resistance, corrosion resistance and the like of the coating are improved; the toughness of the coating is also improved by the nano-cellulose.
Description
Technical field
The present invention relates to glass coating technical field, particularly relate to a kind of scratch transparent heat-insulated nano-glass coating and preparation method thereof.
Background technology
Along with society is to the energy-conservation continuous attention with environmental requirement, the common requirements of people can be become at the heat-protecting glass that different places uses, and existing heat-protecting glass exists the drawback that performance imperfection, complex process or cost are high.Nano antimony tin oxide (ATO) has good visible light permeability and infrared barrier, is a kind of preferably heat-barrier material.Nano antimony tin oxide is joined in coating and make the method for transparent heat insulating dope and can effectively solve the heat-insulating problem of glass, compared with similar products, there is the advantage that technique is simple, with low cost, there is high using value and wide market prospect.First " preparation of transparent heat-insulated nano-glass coating and performance study " literary composition have studied nano antimony tin oxide dispersive property in water, has investigated pH value, dispersant and consumption, different dispersion means and the technological parameter impact on the dispersion stabilization of nano antimony tin oxide thereof.Result shows, nano antimony tin oxide isoelectric point, IP in water is at pH=4.27, and during system meta-alkalescence, dispersion stabilization is significantly increased.The optimum dispersant of dispersion is a kind of anionic macromolecule dispersing agent, and consumption is about the 2% of ATO particle weight.This article has also investigated the impact on dispersion stabilization of different process for dispersing and process conditions thereof, for single dispersion means, ball milling dispersion and high speed dispersion effect are better than ultrasonic disperse, by secondary ball milling method, ATO is disperseed, the grinding distribution time can be shortened while obtaining with a ball-milling method same particle sizes.Within the particle diameter of the nano antimony tin oxide aqueous dispersion obtained with above-mentioned optimum formula and dispersing technology is distributed in 100nm.This article also mixes with aqueous polyurethane mutually with the aqueous dispersion of nano antimony tin oxide, adds a certain amount of thickening agent and other auxiliary agent, has prepared transparent heat insulating dope of good performance.Being tested this transparent heat insulating dope by homemade effect of heat insulation test device, result shows, this coating has good effect of heat insulation.Under the conditions of pigment is 1/5, after system reaches equilibrium temperature, the box chamber air temperature difference of sample and blank glass reaches 6 ° of C, and the discussion to insulating mechanism shows: effect of heat insulation is played a role jointly by absorbing and reflect two parts.This transparent heat insulating dope has good spectral selection, has high permeability in visible region and can effectively intercept the heat radiation in infrared light district.Pigment is that the light transmittance of the coating entirety of 1/5 maintains more than 65%, and near infrared region (900～2500nm), light transmittance drops to again about 40%, and coating has obvious spectral selection.By showing the scanning electron microscope analysis of film, nano antimony tin oxide particle major part particle diameter in film smooths less than 100nm, even particle size distribution, film.
But film all has certain water absorption and water penetration, easily causing wrinkling coming off after water suction, nano-indium stannum oxide is meeting degeneration under the effect of long-term water, affects effect of heat insulation, needs to improve resistance to water.
Additionally glass coating film there is also some problems needs to solve, the such as performance such as thermostability, wearability, static electricity resistance, toughness, antibiotic property, resistance to acids and bases, transparency, scratch resistance, environmental-protecting performance, anti-radiation, Anti-tarnishing, anti-flammability, ultra-violet resistance has different demands under different occasions, current coating still can not meet the needs of all environment, require further improvement performance, to meet the needs of production.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that a kind of scratch transparent heat-insulated nano-glass coating and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of scratch transparent heat-insulated nano-glass coating, is prepared by the raw materials in: nano antimony tin oxide 20-21, dispersant SN-5040
0.2-0.3, waterborne polyurethane resin 79-81, deionized water 30-35, N, N '-dimethyl Methanamide 40-50, the sulfuric acid solution 20-22 of 20%, perfluoro caprylic acid 20-22, methyl methacrylate 3-4, potassium peroxydisulfate 0.1-0.2, isocyanates 3-3.5, molybdenum dialkyldithiocarbamacompositions 0.5-0.7, antimony dialkyldithiophosphate 0.7-0.8, nano-cellulose 1.4-1.6.
The preparation method of described scratch transparent heat-insulated nano-glass coating, comprises the following steps:
(1) carry out being mixed to join N by nano antimony tin oxide and perfluoro caprylic acid, in N '-dimethyl Methanamide, ultrasonic 30-35 minute, drip sulfuric acid solution the most while stirring, it is again heated to 80-85 DEG C of stirring reaction 20-30 minute, after terminating reaction, filtering, vacuum drying obtains fluorinated nano tin indium oxide；
(2) dispersant SN-5040, methyl methacrylate are added in deionized water, stir, regulation pH value is 8-9, add fluorinated nano tin indium oxide, under 6000-7000 rev/min, carry out magnetic agitation 60-70 minute, be then sonicated 12-13 minute, add potassium peroxydisulfate, it is heated to 63-68 DEG C, continues stirring 20-30 minute, obtain mixed serum；
(3) by molybdenum dialkyldithiocarbamacompositions, antimony dialkyldithiophosphate, nano-cellulose mixing, grind uniformly, obtain modified powder；
(4) described mixed serum is mixed homogeneously with waterborne polyurethane resin, modified powder, add other residual componentss and stir, to obtain final product.
The invention have the advantage that the present invention uses perfluoro caprylic acid to carry out fluorinated modified to nano antimony tin oxide, the water absorption making coating reduces, prevent nanoparticle water suction degeneration, affect thermal insulation and adhesion strength, simultaneously because the smooth surface of fluorinated nano tin-antiomony oxide, Waterproofing/oilproofing, improve the lubricity of film, corrosion resistance and wearability, re-use powder SN-5040, methyl methacrylate disperses, graft modification, nano antimony tin oxide is disperseed evenly in water, active group on surface grafting, improve the caking property with resin, thus improve adhesion strength and the wearability of coating；By using nano-cellulose that molybdenum dialkyldithiocarbamacompositions, antimony dialkyldithiophosphate are modified, molybdenum dialkyldithiocarbamacompositions, antimony dialkyldithiophosphate can be dispersed in coating, improve the wear resistence of coating, the performance such as mar-proof, corrosion-resistant, nano-cellulose also improves the toughness of coating.
Detailed description of the invention
A kind of scratch transparent heat-insulated nano-glass coating, it is made up of the raw material of following weight portion (kilogram): nano antimony tin oxide 20, dispersant SN-5040 0.2, waterborne polyurethane resin 79, deionized water 30, N, the sulfuric acid solution 20 of N '-dimethyl Methanamide 40,20%, perfluoro caprylic acid 20, methyl methacrylate 3, potassium peroxydisulfate 0.1, isocyanates 3, molybdenum dialkyldithiocarbamacompositions 0.5, antimony dialkyldithiophosphate 0.7, nano-cellulose 1.4.
The preparation method of described scratch transparent heat-insulated nano-glass coating, comprises the following steps:
(1) nano antimony tin oxide and perfluoro caprylic acid are carried out being mixed to join N, in N '-dimethyl Methanamide, ultrasonic 30 minutes, drip sulfuric acid solution the most while stirring, be again heated to 80 DEG C of stirring reactions 20 minutes, after terminating reaction, filtering, vacuum drying obtains fluorinated nano tin indium oxide；
(2) dispersant SN-5040, methyl methacrylate are added in deionized water, stir, regulation pH value is 8, add fluorinated nano tin indium oxide, under 6000 revs/min, carry out magnetic agitation 60 minutes, be then sonicated 12 minutes, add potassium peroxydisulfate, it is heated to 63 DEG C, continues stirring 20 minutes, obtain mixed serum；
(3) by molybdenum dialkyldithiocarbamacompositions, antimony dialkyldithiophosphate, nano-cellulose mixing, grind uniformly, obtain modified powder；
(4) described mixed serum is mixed homogeneously with waterborne polyurethane resin, modified powder, add other residual componentss and stir, to obtain final product.
The coating that this embodiment obtains is coated on glass, it is dried 2 hours at 70 DEG C, by GB/T5739-1996 standard testing pencil hardness 2H, is 1 grade according to GB/T1727-92 standard testing adhesive force, according to by GB/T1786-79 standard testing wearability, attrition value (10-2G) it is 2.61；The water absorption rate 10.8% of 12 hours films, it is seen that light transmission rate is 75%, sheltering coefficient is 0.73, iodine-tungsten lamp irradiate under this embodiment heat-protecting glass and blank glass between sylphon in Air Temperature Difference reach 8.7 DEG C.
Claims (2)
1. a scratch transparent heat-insulated nano-glass coating, it is characterized in that: be prepared by the raw materials in: nano antimony tin oxide 20-21, dispersant SN-5040 0.2-0.3, waterborne polyurethane resin 79-81, deionized water 30-35, N, N '-dimethyl Methanamide 40-50, the sulfuric acid solution 20-22 of 20%, perfluoro caprylic acid 20-22, methyl methacrylate 3-4, potassium peroxydisulfate 0.1-0.2, isocyanates 3-3.5, molybdenum dialkyldithiocarbamacompositions 0.5-0.7, antimony dialkyldithiophosphate 0.7-0.8, nano-cellulose 1.4-1.6.
The preparation method of scratch transparent heat-insulated nano-glass coating the most according to claim 1, it is characterised in that comprise the following steps:
(1) carry out being mixed to join N by nano antimony tin oxide and perfluoro caprylic acid, in N '-dimethyl Methanamide, ultrasonic 30-35 minute, drip sulfuric acid solution the most while stirring, it is again heated to 80-85 DEG C of stirring reaction 20-30 minute, after terminating reaction, filtering, vacuum drying obtains fluorinated nano tin indium oxide；
(2) dispersant SN-5040, methyl methacrylate are added in deionized water, stir, regulation pH value is 8-9, add fluorinated nano tin indium oxide, under 6000-7000 rev/min, carry out magnetic agitation 60-70 minute, be then sonicated 12-13 minute, add potassium peroxydisulfate, it is heated to 63-68 DEG C, continues stirring 20-30 minute, obtain mixed serum；
(3) by molybdenum dialkyldithiocarbamacompositions, antimony dialkyldithiophosphate, nano-cellulose mixing, grind uniformly, obtain modified powder；
(4) described mixed serum is mixed homogeneously with waterborne polyurethane resin, modified powder, add other residual componentss and stir, to obtain final product.
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| CN201610273395.1A CN105802471A (en) | 2016-04-27 | 2016-04-27 | Scratch-resisting transparent heat-insulation nano glass coating and preparation method of scratch-resisting transparent heat-insulation nano glass coating |
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| CN201610273395.1A CN105802471A (en) | 2016-04-27 | 2016-04-27 | Scratch-resisting transparent heat-insulation nano glass coating and preparation method of scratch-resisting transparent heat-insulation nano glass coating |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106221393A (en) * | 2016-08-29 | 2016-12-14 | 安徽宇腾真空电气有限责任公司 | A kind of low-vacuum load-tripping device special surface anti-scratch coating |
| CN106883371A (en) * | 2017-03-23 | 2017-06-23 | 苏州富仁化工有限公司 | A kind of modified polyurethane resin and preparation method thereof |
| US20200370238A1 (en) * | 2018-02-01 | 2020-11-26 | Hokuetsu Corporation | Water repellent oil repellent agent and method for producing same, and water repellent oil repellent product and method for producing same |
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| CN1301290A (en) * | 1997-11-12 | 2001-06-27 | 昭和电工株式会社 | Water-repellent coating material and article with water-repellent surface |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106221393A (en) * | 2016-08-29 | 2016-12-14 | 安徽宇腾真空电气有限责任公司 | A kind of low-vacuum load-tripping device special surface anti-scratch coating |
| CN106883371A (en) * | 2017-03-23 | 2017-06-23 | 苏州富仁化工有限公司 | A kind of modified polyurethane resin and preparation method thereof |
| US20200370238A1 (en) * | 2018-02-01 | 2020-11-26 | Hokuetsu Corporation | Water repellent oil repellent agent and method for producing same, and water repellent oil repellent product and method for producing same |
| US11905650B2 (en) * | 2018-02-01 | 2024-02-20 | Hokuetsu Corporation | Water repellent oil repellent agent and method for producing same, and water repellent oil repellent product and method for producing same |
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Application publication date: 20160727 |