CN109225780A - A kind of production method of antifog glass - Google Patents
A kind of production method of antifog glass Download PDFInfo
- Publication number
- CN109225780A CN109225780A CN201811121218.7A CN201811121218A CN109225780A CN 109225780 A CN109225780 A CN 109225780A CN 201811121218 A CN201811121218 A CN 201811121218A CN 109225780 A CN109225780 A CN 109225780A
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- Prior art keywords
- glass
- production method
- metal
- conductive
- antifog
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- 239000011521 glass Substances 0.000 title claims abstract description 68
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 239000007921 spray Substances 0.000 claims abstract description 35
- 239000002002 slurry Substances 0.000 claims abstract description 28
- 239000000843 powder Substances 0.000 claims abstract description 21
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000000758 substrate Substances 0.000 claims abstract description 12
- 238000007590 electrostatic spraying Methods 0.000 claims abstract description 11
- 238000005485 electric heating Methods 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 17
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 10
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 239000011230 binding agent Substances 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 7
- 229910052725 zinc Inorganic materials 0.000 claims description 7
- 239000011701 zinc Substances 0.000 claims description 7
- 150000001721 carbon Chemical class 0.000 claims description 6
- 239000012071 phase Substances 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 238000009210 therapy by ultrasound Methods 0.000 claims description 5
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 claims description 4
- 229920000180 alkyd Polymers 0.000 claims description 4
- 229910052763 palladium Inorganic materials 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- XJQGZDLLLTXKCQ-UHFFFAOYSA-N [Co+2].[Sr+2].[O-2].[La+3] Chemical compound [Co+2].[Sr+2].[O-2].[La+3] XJQGZDLLLTXKCQ-UHFFFAOYSA-N 0.000 claims description 3
- AYJRCSIUFZENHW-DEQYMQKBSA-L barium(2+);oxomethanediolate Chemical compound [Ba+2].[O-][14C]([O-])=O AYJRCSIUFZENHW-DEQYMQKBSA-L 0.000 claims description 3
- 239000006229 carbon black Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000009792 diffusion process Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 229910052707 ruthenium Inorganic materials 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 2
- SBASXUCJHJRPEV-UHFFFAOYSA-N 2-(2-methoxyethoxy)ethanol Chemical compound COCCOCCO SBASXUCJHJRPEV-UHFFFAOYSA-N 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 2
- 239000004642 Polyimide Substances 0.000 claims description 2
- 229910007610 Zn—Sn Inorganic materials 0.000 claims description 2
- 238000000227 grinding Methods 0.000 claims description 2
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 2
- 229920001721 polyimide Polymers 0.000 claims description 2
- 229920006389 polyphenyl polymer Polymers 0.000 claims description 2
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 2
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 2
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 2
- RBNWAMSGVWEHFP-UHFFFAOYSA-N trans-p-Menthane-1,8-diol Chemical compound CC(C)(O)C1CCC(C)(O)CC1 RBNWAMSGVWEHFP-UHFFFAOYSA-N 0.000 claims description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims 2
- 150000001412 amines Chemical group 0.000 claims 1
- 239000006185 dispersion Substances 0.000 claims 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims 1
- IGPAMRAHTMKVDN-UHFFFAOYSA-N strontium dioxido(dioxo)manganese lanthanum(3+) Chemical compound [Sr+2].[La+3].[O-][Mn]([O-])(=O)=O IGPAMRAHTMKVDN-UHFFFAOYSA-N 0.000 claims 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims 1
- 239000011248 coating agent Substances 0.000 abstract description 11
- 238000000576 coating method Methods 0.000 abstract description 11
- 239000000853 adhesive Substances 0.000 abstract description 6
- 230000001070 adhesive effect Effects 0.000 abstract description 6
- 238000010422 painting Methods 0.000 abstract description 4
- 238000007650 screen-printing Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 2
- 238000007591 painting process Methods 0.000 description 6
- 238000005507 spraying Methods 0.000 description 5
- 239000003595 mist Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- YMVZSICZWDQCMV-UHFFFAOYSA-N [O-2].[Mn+2].[Sr+2].[La+3] Chemical compound [O-2].[Mn+2].[Sr+2].[La+3] YMVZSICZWDQCMV-UHFFFAOYSA-N 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 150000002500 ions Chemical group 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005686 electrostatic field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- -1 golden (Au) Chemical compound 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(IV) oxide Inorganic materials O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/12—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain a coating with specific electrical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
- B05D1/04—Processes for applying liquids or other fluent materials performed by spraying involving the use of an electrostatic field
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2203/00—Other substrates
- B05D2203/30—Other inorganic substrates, e.g. ceramics, silicon
- B05D2203/35—Glass
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Glass Compositions (AREA)
Abstract
The present invention relates to a kind of production methods of antifog glass, including electric heating layer is arranged on the glass substrate, spray vehicle glass de-fog electrocondution slurry on the glass substrate by the way of electrostatic spraying, are formed by curing the electric heating layer.The present invention is by the way of electrostatic spraying, it is poor to can solve traditional silver powder dispersibility caused by existing silver powder reunion during silk-screen printing prepares electrocondution slurry, to reduce the defect of electric conductivity, film is made to have the characteristics that wearability is strong, anticorrosive, adhesive force is strong, uniform color by electrostatic spraying.The present invention can reduce nano-silver powder and reunite, and equably be adsorbed on by the surface of painting glass, heated to be formed by curing smooth, uniform, smooth coating, no pollution to the environment is realized, curing time is short, and adhesive force is strong, presentation quality is excellent, at low cost etc., provides better electric conductivity.
Description
Technical field
The present invention relates to a kind of production methods of antifog glass.
Background technique
Electric slurry is a kind of electronic functional material of high-tech, mainly for the manufacture of thick film integrated circuit, solar-electricity
Pond electrode, automobile back windshield etc..Electric slurry is made of conductive phase, glass powder and organic carrier.Currently, conductive phase mainly has
Noble metal and its oxide conducting phase: mainly with noble metals and its oxygen such as golden (Au), silver-colored (Ag), palladium (Pd), platinum (Pt), ruthenium (Ru)
Compound has many advantages, such as that high temperature resistant, corrosion-resistant, waterproof, dielectric strength are high, thermal conductivity is high as conductive phase.There are also carbon series conductives
Phase: mainly using the carbon-based material of the low cost such as carbon black, graphite as conductive phase.Base metal and its oxide conducting phase: mainly with
Copper, zinc, barium carbonate, strontium lanthanum manganese oxide, cobalt strontium lanthanum oxide etc. are used as conductive phase, cheap.
Heater wire on automobile back windshield is used to remove frost mist, it has also become one of essential device of automobile.Glass of automobile
The heater wire effect of glass is to generate heat after being powered to the frost mist for eliminating glass surface, the vehicle glass with heating wires
Very widely used, it keeps out the wind after being almost applied to all car glasses, in car glass art, is chiefly used in window driver and removes
Mist.It is that dedicated conductive silver paste is printed onto the surface of glass by way of silk-screen printing to such heating wires, glass warp
After tempering, conductive silver paste is sintered to glass surface, since it is with certain resistance, can generate heat after energization.This glass of automobile
The screen painting of glass heater wire still has many deficiencies: 1) nanoparticle is easy to oxidize, and the binding force between particle is weak, causes
Wearability is poor after sintering；2) it is not easy to form the graphical silver paste conductive layer of fine, the edge of conductive layer is unsmooth, has saw
Dentation is unfavorable for preparing the conducting wire of low-resistivity；3) it in order to obtain low-resistance conductive silver paste, can all be used in ink big
Silver powder is measured, nano-silver powder is easy to reunite, on the other hand be led due to the presence of glass powder so that the electric conductivity of conductive silver paste is poor
Cause the phenomenon of generation demisting unevenness.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of production method of antifog glass.Pass through electrostatic spraying shape
At the high and smooth coating of compactness, so that film has the characteristics that high rigidity, adhesive force are good, square resistance is low.
The present invention is implemented as follows:
The present invention provides a kind of production methods of antifog glass, including electric heating layer is arranged on the glass substrate,
It sprays vehicle glass de-fog electrocondution slurry on the glass substrate by the way of electrostatic spraying, is formed by curing the electricity fever
Layer.
Further, the condition of the electrostatic spraying are as follows: 60~90kV of spray voltage, 10~20uA of electric current, flow velocity pressure
Power 0.3-0.45MPa spray time 20~50 seconds, 30~60 ㎜ of spray gun reciprocating speed/second, is sprayed 2~5cc/ of flow seconds, spray gun
Mouth and workpiece distance 100mm-150mm, 70 °~90 ° of spray angle.Anode is connected substrate to be sprayed by the electrostatic spraying
And be grounded, and cathode high pressure connects electrostatic gun, it muzzle and is sprayed-on substrate and forms a strong electric field region, compressed air when spraying
By electrocondution slurry powder be pumped to electrostatic gun mouth atomization, under the action of electric field, fly to anode rapidly, be equably adsorbed on by
Heated to be formed by curing electric heating layer on the surface for applying substrate, the coating surface is smooth, uniform, bubble-free, flawless.
Further, the vehicle glass de-fog electrocondution slurry, composed of the following components by mass percentage: carbon system leads
Electric phase 10~15%, metal and metal conductive oxide phase 65~80%, organic binder 5%-15%, glass powder 5%-
15%, above-mentioned each component mass percent summation is 100%.
Further, the metal and metal conductive oxide phase, the oxide including following metal and metal: gold
Au, silver Ag, palladium Pd, platinum Pt, ruthenium Ru, copper, zinc, barium carbonate, strontium lanthanum manganese oxide, cobalt strontium lanthanum oxide, partial size 100-200nm；It is described
Carbon series conductive mutually includes carbon black, graphite, partial size 100um-500um.
Further, the organic binder be selected from polyethylene glycol, diethylene glycol methyl ether, terpinol, glycol monoethyl ether,
Ethylene glycol monoethyl ether, N-Methyl pyrrolidone, N-N dimethyl acetamide, Sodium Polyacrylate, polyvinylpyrrolidone, polyphenyl sulphur
Sour sodium, polyimides, low molecule pa resin, acrylic acid modified alkyd resin, styrenated alkyd, ureaformaldehyde tree
Rouge；Its viscosity is 50dPas-300dPas.
Further, the glass powder selects Bi-Si-B-Zn, Bi-Si-Al-Mg-Zn, P-Zn-Sn or B-Zn-V body
System.
Further, the preparation method of the vehicle glass de-fog electrocondution slurry, specifically includes the following steps:
Step 1) mixes carbon series conductive phase, metal and metal conductive oxide uniformly, and moisture removal is removed in drying；Then
It is put into grinding device and grinds repeatedly, glass powder is added, continue milled processed, obtain composite powder；
Organic binder is added in the composite powder in step 2), stirs evenly, mixture is ultrasonically treated, and is obtained
To composite diffusion object；
The composite diffusion object is heated to 35~40 DEG C by step 3), is dispersed with stirring uniformly, is obtained vehicle glass de-fog
Electrocondution slurry.
By the above-mentioned glass de-fog electrocondution slurry modulated, the mode being electrostatically sprayed spray on the glass substrate, to
10-20min is dried after its levelling in 100-150 DEG C of thermostatic drying chamber, it is cured to form the electric heating layer, then again in ladder
It is sintered in degree furnace, forms conductive film.
Further, the condition of the step 2) ultrasonic treatment are as follows: supersonic frequency is 5~20kHz, peak power output
For 2000W, ultrasonic treatment time 30-50min.Keep the dispersibility of conductive phase in electrocondution slurry more preferable using ultrasonic treatment,
Be conducive to improve conductive phase.
Electrostatic spraying of the present invention is a kind of spraying technology according to electrostatic field to the action principle of charge, is being carried out
Anode connection is generallyd use in spraying to be sprayed-on on substrate and be grounded, and cathode high pressure connects electrostatic gun, muzzle is equipped with tip
Spray point, when voltage is sufficiently high, electric discharge needle-discharging makes the air of spray gun near zone generate strong corona, forms gas ion
Region, coating is pumped to the atomization of electrostatic gun mouth by compressed air when spraying, forms coating particle, and pass through ion range band
Charge, electrically charged coating particle can be broken into smaller droplet under the action of electric field, fly to anode rapidly, equably adsorb
On by the surface of painting substrate, smooth, uniform, smooth, plentiful coating is formed.
The present invention has the advantage that the present invention by the way of electrostatic spraying, can solve traditional silver powder in screen printing
The existing caused dispersibility of silver powder reunion is poor during brush prepares electrocondution slurry, to reduce the defect of electric conductivity.Using
Electrostatic absorption principle can reduce nano-silver powder and reunite, and equably be adsorbed on by the surface of painting glass, heated solidification shape
At smooth, uniform, smooth coating, realize no pollution to the environment, curing time is short, and adhesive force is strong, presentation quality is excellent, at
This is low, provides better electric conductivity.
Specific embodiment
In order to which the preparation method to vehicle glass de-fog electrocondution slurry of the present invention carries out further illustrating explanation, application
People illustrates following several embodiments, and in no specified otherwise, and the percentage in the present invention is mass percent.
Embodiment 1
(1) vehicle glass de-fog electrocondution slurry is prepared, for use；The electrocondution slurry is by mass percentage by following raw material
Composition: carbon system powder 10%, metal and metal oxide powder 75%, organic binder 10%, glass powder 5%, and the metal
And the component of metal oxide powder is as follows: Ag 80-90wt%, Pd 5-10wt%, RuO25-10wt%, above-mentioned each group sub-prime
Measuring percentage summation is 100%；Carbon system powder uses graphene；
(2) it uses electrostatic painting process to spray above-mentioned resulting coating to remove on vehicle glass surface to form vehicle glass
Mist line electrocondution slurry dope layer；Wherein, electrostatic painting process parameter are as follows: spray voltage 60kV, 10 μ A of electric current, velocity pressure
0.3MPa, spray time 20 seconds, 30 ㎜ of spray gun reciprocating speed/second, spray flow 2cc/ second, 20 μm of dusty spray, gun slot and
Workpiece distance 100mm, then solidifies, is sintered, obtain dope layer by 70 ° of spray angle, wherein cured baking time 20min, dries
Roasting 100 degree of temperature.
Embodiment 2
Vehicle glass de-fog electrocondution slurry is prepared, for use；Electrocondution slurry formula is the same as embodiment 1；
Electrostatic painting process is used to spray above-mentioned resulting coating on vehicle glass surface to form vehicle glass demisting
Line electrocondution slurry dope layer；Wherein, electrostatic painting process parameter are as follows: spray voltage 75kV, electric current 15uA, velocity pressure
0.4MPa, spray time 35 seconds, 45 ㎜ of spray gun reciprocating speed/second, spray flow 4cc/ second, 100 μm of dusty spray, gun slot and
Workpiece distance 125mm, then solidifies, is sintered, obtain dope layer by 80 ° of spray angle, wherein cured baking time 35min, dries
Roasting 130 degree of temperature.
Embodiment 3
Vehicle glass de-fog electrocondution slurry is prepared, for use；Electrocondution slurry formula is the same as embodiment 1；
Electrostatic painting process is used to spray above-mentioned resulting coating on vehicle glass surface to form vehicle glass demisting
Line electrocondution slurry dope layer；Wherein, electrostatic painting process parameter are as follows: spray voltage 90kV, electric current 20uA, velocity pressure
0.45MPa, spray time 50 seconds, 60 ㎜ of spray gun reciprocating speed/second, spraying flow 5cc/ seconds, 200 μm of dusty spray, gun slot
With workpiece distance 150mm, 90 ° of spray angle, then solidifies, is sintered, obtain dope layer, wherein cured baking time 50min,
150 degree of baking temperature.
In order to verify the performance of vehicle glass de-fog electrocondution slurry dope layer made from preparation method of the present invention, to above-mentioned
Dope layer in each embodiment carries out durability performance test, and the results are shown in Table 1.
Comparative example
The vehicle glass de-fog electrocondution slurry of embodiment 1 is printed onto the table of glass using prior art (silk-screen printing)
Then face solidifies, is sintered.The performance of obtained dope layer is as shown in table 1.
Table 1 is using the present invention and the performance of the conductive film of prior art preparation
As known from Table 1, the vehicle glass de-fog dope layer that the present invention and prior art obtain, from hardness, adhesive force, side
Block resistance, acid resistance are tested for the property comparison in terms of planarization, and vehicle glass demisting film of the invention is uniform, bubble-free, nothing
Compactness height is split, there is high rigidity, compactness height, wearability strong, anticorrosive, adhesive force strong, uniform color, low square resistance etc.
Feature.
Although specific embodiments of the present invention have been described above, those familiar with the art should be managed
Solution, we are merely exemplary described specific embodiment, rather than for the restriction to the scope of the present invention, it is familiar with this
The technical staff in field should be covered of the invention according to modification and variation equivalent made by spirit of the invention
In scope of the claimed protection.
Claims (8)
1. a kind of production method of antifog glass, including electric heating layer is set on the glass substrate, it is characterised in that: it uses
The mode of electrostatic spraying sprays vehicle glass de-fog electrocondution slurry on the glass substrate, cured to form the electric heating layer.
2. the production method of antifog glass according to claim 1, it is characterised in that: the vehicle glass de-fog is conductive
Slurry, composed of the following components by mass percentage: carbon series conductive phase 10~15%, metal and metal conductive oxide phase 65~
80%, organic binder 5%-15%, glass powder 5%-15%, above-mentioned each component mass percent summation are 100%.
3. the production method of antifog glass according to claim 2, it is characterised in that: the metal and metal oxide are led
Electric phase, the oxide including following metal and metal: golden Au, palladium Pd, silver Ag, platinum Pt, ruthenium Ru, copper, zinc, barium carbonate, strontium manganate
Lanthanum, cobalt strontium lanthanum oxide, partial size 100-200nm；The carbon series conductive mutually includes carbon black, graphite, partial size 100um-
500um。
4. the production method of antifog glass according to claim 2, it is characterised in that: the organic binder is selected from poly- second
Glycol, diethylene glycol methyl ether, terpinol, glycol monoethyl ether, ethylene glycol monoethyl ether, N-Methyl pyrrolidone, N-N dimethylacetamide
It is amine, Sodium Polyacrylate, polyvinylpyrrolidone, polyphenyl sodium sulfonate, polyimides, low molecule pa resin, acrylic acid modified
Alkyd resin, styrenated alkyd, Lauxite；Its viscosity is 50dPas-300dPas.
5. the production method of antifog glass according to claim 2, it is characterised in that: the glass powder selects Bi-Si-B-
Zn, Bi-Si-Al-Mg-Zn, P-Zn-Sn or B-Zn-V system.
6. the production method of antifog glass according to claim 1, it is characterised in that: the condition of the electrostatic spraying
Are as follows: 60~90kV of spray voltage, 10~20uA of electric current, velocity pressure 0.3-0.45MPa, spray time 20~50 seconds, spray gun was past
30~60 ㎜ of complex velocity/second are sprayed 2~5cc/ of flow seconds, gun slot and workpiece distance 100mm-150mm, and 70 ° of spray angle~
90°。
7. the production method of antifog glass according to claim 2, it is characterised in that: the vehicle glass de-fog is conductive
The preparation method of slurry, specifically includes the following steps:
Step 1) mixes carbon series conductive phase, metal and metal conductive oxide uniformly, and moisture removal is removed in drying；It is then placed in
It is ground repeatedly in grinding device, glass powder is added, continued milled processed, obtain composite powder；
Organic binder is added in the composite powder in step 2), stirs evenly, mixture is ultrasonically treated, and is answered
Close dispersion；
The composite diffusion object is heated to 35~40 DEG C by step 3), is dispersed with stirring uniformly, and it is conductive to obtain vehicle glass de-fog
Slurry.
8. the production method of antifog glass according to claim 7, it is characterised in that: the item of the step 2) ultrasonic treatment
Part are as follows: supersonic frequency is 5~20kHz, peak power output 2000W, ultrasonic treatment time 30-50min.
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| CN110381614A (en) * | 2019-06-24 | 2019-10-25 | 东莞市中科智恒新材料有限公司 | Far infrared heating material, the preparation method of far infrared heater and far infrared heater |
| CN112309606A (en) * | 2019-07-31 | 2021-02-02 | 湖北中烟工业有限责任公司 | Composite metal slurry composition and preparation method and application thereof |
| CN114749346A (en) * | 2022-04-08 | 2022-07-15 | 百为智能科技(广州)有限公司 | Preparation method based on large-size glass substrate circuit and display device |
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| CN109485271A (en) * | 2019-01-22 | 2019-03-19 | 福建工程学院 | Anti-radiation, antistatic, heat-insulated coated glass of one kind and preparation method thereof |
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