CN109225780B - Manufacturing method of demisting glass - Google Patents
Manufacturing method of demisting glass Download PDFInfo
- Publication number
- CN109225780B CN109225780B CN201811121218.7A CN201811121218A CN109225780B CN 109225780 B CN109225780 B CN 109225780B CN 201811121218 A CN201811121218 A CN 201811121218A CN 109225780 B CN109225780 B CN 109225780B
- Authority
- CN
- China
- Prior art keywords
- glass
- spraying
- conductive
- conductive phase
- demisting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000011521 glass Substances 0.000 title claims abstract description 68
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 238000005507 spraying Methods 0.000 claims abstract description 33
- 239000000843 powder Substances 0.000 claims abstract description 25
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000007590 electrostatic spraying Methods 0.000 claims abstract description 18
- 239000000758 substrate Substances 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 239000002002 slurry Substances 0.000 claims abstract description 11
- 238000005485 electric heating Methods 0.000 claims abstract description 8
- 239000007921 spray Substances 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 229910044991 metal oxide Inorganic materials 0.000 claims description 10
- 150000004706 metal oxides Chemical class 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 239000011230 binding agent Substances 0.000 claims description 7
- 238000009210 therapy by ultrasound Methods 0.000 claims description 7
- 239000011701 zinc Substances 0.000 claims description 7
- 239000010931 gold Substances 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 5
- 229910052725 zinc Inorganic materials 0.000 claims description 5
- 229920000180 alkyd Polymers 0.000 claims description 4
- 239000006185 dispersion Substances 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 239000004332 silver Substances 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
- PACGUUNWTMTWCF-UHFFFAOYSA-N [Sr].[La] Chemical compound [Sr].[La] PACGUUNWTMTWCF-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
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 229910052763 palladium Inorganic materials 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 229910052707 ruthenium Inorganic materials 0.000 claims description 3
- 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 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- 239000002202 Polyethylene glycol Substances 0.000 claims description 2
- 239000004642 Polyimide Substances 0.000 claims description 2
- 229920001807 Urea-formaldehyde Polymers 0.000 claims description 2
- 229910007610 Zn—Sn Inorganic materials 0.000 claims description 2
- 150000002739 metals Chemical class 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 2
- 229920006122 polyamide resin Polymers 0.000 claims description 2
- 229920001223 polyethylene glycol Polymers 0.000 claims description 2
- 229920001721 polyimide 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
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims 1
- 229920001467 poly(styrenesulfonates) Polymers 0.000 claims 1
- 229940006186 sodium polystyrene sulfonate Drugs 0.000 claims 1
- 239000011248 coating agent Substances 0.000 abstract description 12
- 238000000576 coating method Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 9
- 239000000853 adhesive Substances 0.000 abstract description 6
- 230000001070 adhesive effect Effects 0.000 abstract description 6
- 238000007650 screen-printing Methods 0.000 abstract description 5
- 238000005054 agglomeration Methods 0.000 abstract description 3
- 230000002776 aggregation Effects 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 3
- 239000011247 coating layer Substances 0.000 description 9
- 239000010410 layer Substances 0.000 description 9
- 239000003973 paint Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000005245 sintering Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 150000002500 ions Chemical group 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- SBASXUCJHJRPEV-UHFFFAOYSA-N 2-(2-methoxyethoxy)ethanol Chemical compound COCCOCCO SBASXUCJHJRPEV-UHFFFAOYSA-N 0.000 description 1
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 1
- 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 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- WUOACPNHFRMFPN-UHFFFAOYSA-N alpha-terpineol Chemical compound CC1=CCC(C(C)(C)O)CC1 WUOACPNHFRMFPN-UHFFFAOYSA-N 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- SQIFACVGCPWBQZ-UHFFFAOYSA-N delta-terpineol Natural products CC(C)(O)C1CCC(=C)CC1 SQIFACVGCPWBQZ-UHFFFAOYSA-N 0.000 description 1
- 230000005686 electrostatic field Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 238000007639 printing Methods 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
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229940116411 terpineol Drugs 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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)
- Glass Compositions (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention relates to a manufacturing method of demisting glass, which comprises the steps of arranging an electric heating layer on a glass substrate, spraying conductive slurry of a vehicle glass demisting line on the glass substrate in an electrostatic spraying mode, and curing to form the electric heating layer. The invention adopts the electrostatic spraying mode, can solve the defects of poor dispersity and reduced conductivity caused by silver powder agglomeration in the traditional process of preparing the conductive paste by screen printing of silver powder, and ensures that the coating has the characteristics of strong wear resistance, corrosion resistance, strong adhesive force, uniform color and the like by electrostatic spraying. The invention can reduce the agglomeration of the nano silver powder, uniformly adsorb the nano silver powder on the surface of the coated glass, and form a flat, uniform and smooth coating through heating and curing, thereby realizing no pollution to the environment, short curing time, strong adhesive force, excellent appearance quality, low cost and the like, and providing better conductivity.
Description
Technical Field
The invention relates to a manufacturing method of demisting glass.
Background
The electronic paste is a high-technology electronic functional material and is mainly used for manufacturing thick film integrated circuits, solar cell electrodes, automobile rear windshield glass and the like. The electronic paste consists of a conductive phase, glass powder and an organic carrier. At present, the conductive phase mainly comprises noble metal and oxide conductive phases thereof: the conductive phase is mainly noble metal such as gold (Au), silver (Ag), palladium (Pd), platinum (Pt), ruthenium (Ru) and the like and oxides thereof, and has the advantages of high temperature resistance, corrosion resistance, water resistance, high insulating strength, high thermal conductivity and the like. And a carbon-based conductive phase: carbon-based materials such as carbon black and graphite, which are low in cost, are mainly used as the conductive phase. Base metal and its oxide conductive phase: mainly uses copper, zinc, barium carbonate, strontium lanthanum manganate, strontium lanthanum cobaltate and the like as conductive phases, and has low price.
The use of heating wires on the rear glass of a vehicle for defrosting fog has become one of the indispensable devices for vehicles. The heating wire of the automobile glass can generate heat after being electrified so as to eliminate frost on the surface of the glass, the automobile glass with the heating wire is widely applied, and the heating wire is almost applied to the rear windshield of all car glass and is mostly used for demisting the driver window in the field of passenger car glass. The heating wire is characterized in that special conductive silver paste is printed on the surface of glass in a screen printing mode, the conductive silver paste is sintered on the surface of the glass after the glass is tempered, and the heating wire can generate heat after being electrified due to certain resistance of the heating wire. The screen printing of the automobile glass heating wire still has a plurality of defects: 1) the nano particles are easy to oxidize, and the bonding force between the particles is weak, so that the wear resistance after sintering is poor; 2) a high-precision patterned silver paste conducting layer is not easy to form, the edge of the conducting layer is not smooth, and a sawtooth shape exists, so that the preparation of a conducting circuit with low resistivity is not facilitated; 3) in order to obtain the low-resistance conductive silver paste, a large amount of silver powder is used in the printing ink, the nano silver powder is easy to agglomerate, and on the other hand, due to the existence of the glass powder, the conductivity of the conductive silver paste is poor, so that the phenomenon of non-uniform demisting is caused.
Disclosure of Invention
The invention aims to solve the technical problem of providing a manufacturing method of demisting glass. The coating with high compactness and smoothness is formed by electrostatic spraying, so that the coating has the characteristics of high hardness, good adhesive force, low square resistance and the like.
The invention is realized by the following steps:
the invention provides a manufacturing method of demisting glass, which comprises the steps of arranging an electric heating layer on a glass substrate, spraying conductive slurry of a vehicle glass demisting line on the glass substrate in an electrostatic spraying mode, and curing to form the electric heating layer.
Further, the electrostatic spraying conditions are as follows: the spraying voltage is 60-90 kV, the current is 10-20 uA, the flow rate and pressure are 0.3-0.45MPa, the spraying time is 20-50 seconds, the reciprocating speed of a spray gun is 30-60 mm/second, the spraying flow is 2-5 cc/second, the distance between the mouth of the spray gun and a workpiece is 100-150 mm, and the spraying angle is 70-90 degrees. The electrostatic spraying is characterized in that the positive electrode is connected with a substrate to be sprayed and grounded, the negative electrode is connected with an electrostatic spray gun at high voltage, a gun nozzle and the substrate to be sprayed form a strong electric field area, the conductive slurry powder is sucked to the nozzle of the electrostatic spray gun to be atomized by compressed air during spraying, rapidly flies to the positive electrode under the action of an electric field and is uniformly adsorbed on the surface of the substrate to be coated, and an electric heating layer is formed by heating and curing, and the surface of the coating is smooth, flat, uniform, bubble-free and crack-free.
Further, the conductive paste for the vehicle glass demisting line comprises the following components in percentage by mass: 10-15% of carbon-based conductive phase, 65-80% of metal and metal oxide conductive phase, 5-15% of organic binder and 5-15% of glass powder, wherein the sum of the mass percentages of the components is 100%.
Further, the metal and metal oxide conductive phase comprises the following metals and metal oxides: gold Au, silver Ag, palladium Pd, platinum Pt, ruthenium Ru, copper, zinc, barium carbonate, lanthanum strontium manganate and lanthanum strontium cobaltate, wherein the particle size is 100-200 nm; the carbon conductive phase comprises carbon black and graphite, and the particle size of the carbon conductive phase is 100-500 um.
Still further, the organic binder is selected from the group consisting of polyethylene glycol, diethylene glycol methyl ether, terpineol, ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, N-methylpyrrolidone, N-N dimethylacetamide, sodium polyacrylate, polyvinylpyrrolidone, sodium polysulfonate, polyimide, low molecular polyamide resin, acrylic acid-modified alkyd resin, styrene-modified alkyd resin, urea resin; the viscosity is 50 dPas-300 dPas.
Furthermore, the glass powder is selected from a Bi-Si-B-Zn system, a Bi-Si-Al-Mg-Zn system, a P-Zn-Sn system or a B-Zn-V system.
Furthermore, the preparation method of the conductive paste for the vehicle glass demisting line comprises the following steps:
step 1), uniformly mixing a carbon conductive phase, a metal conductive phase and a metal oxide conductive phase, and drying to remove moisture; then, repeatedly grinding the mixture in a grinding device, adding glass powder, and continuously grinding the mixture to obtain composite powder;
step 2), adding an organic binder into the composite powder, uniformly stirring, and carrying out ultrasonic treatment on the mixture to obtain a composite dispersion;
and 3) heating the composite dispersion to 35-40 ℃, and uniformly stirring and dispersing to obtain the conductive slurry for the vehicle glass demisting line.
And spraying the prepared glass defogging line conductive paste on a glass substrate in an electrostatic spraying manner, drying the glass substrate in a constant-temperature drying box at the temperature of 100-150 ℃ for 10-20min after the glass substrate is leveled, curing to form the electric heating layer, and sintering in a gradient furnace to form the conductive film.
Further, the ultrasonic treatment conditions in step 2) are as follows: the ultrasonic frequency is 5-20 kHz, the maximum output power is 2000W, and the ultrasonic treatment time is 30-50 min. The ultrasonic treatment is adopted to ensure that the dispersibility of the conductive phase in the conductive slurry is better, which is beneficial to improving the conductive phase.
The electrostatic spraying is a spraying technology based on the action principle of electrostatic field on electric charge, in the course of spraying, it usually adopts positive electrode connected to the substrate to be sprayed and grounded, and negative electrode connected with electrostatic spray gun at high voltage, and its gun mouth is equipped with tip discharge needle, when the voltage is high enough, the discharge needle can discharge to make the air near the spray gun produce strong corona to form gas ion region, and when the coating is sprayed, the compressed air can be used for sucking coating material into the nozzle of electrostatic spray gun and atomizing to form coating material particles, and the coating material particles can be charged by means of ion region, and under the action of electric field the charged coating material particles can be broken into smaller fog drops, and quickly flying toward positive electrode, and can be uniformly adsorbed on the surface of the substrate to be coated so as to form flat, uniform, smooth and full coating layer.
The invention has the following advantages: the invention adopts an electrostatic spraying mode, and can solve the defects of poor dispersibility and reduced conductivity caused by silver powder agglomeration in the traditional process of preparing the conductive paste by screen printing of silver powder. By adopting the electrostatic adsorption principle, the nano silver powder can be reduced to agglomerate and be uniformly adsorbed on the surface of the coated glass, and a flat, uniform and smooth coating is formed by heating and curing, so that the nano silver powder coating has the advantages of no environmental pollution, short curing time, strong adhesive force, excellent appearance quality, low cost and the like, and provides better conductivity.
Detailed Description
In order to further illustrate the preparation method of the conductive paste for a defogging line of a vehicle glass according to the present invention, the applicant exemplifies several examples as follows, and the percentages in the present invention are percentages by mass without specific description.
Example 1
(1) Preparing conductive slurry for the vehicle glass demisting line for later use; the conductive slurry is prepared from the following raw materials in percentage by mass: 10% of carbon powder, 75% of metal and metal oxide powder, 10% of organic binder and 5% of glass powder, wherein the metal and metal oxide powder comprises the following components: 80-90 wt% of Ag, 5-10 wt% of Pd, and RuO25-10 wt%, wherein the sum of the mass percentages of the components is 100%; the carbon-series powder adopts graphene;
(2) spraying the obtained paint on the surface of the vehicle glass by adopting an electrostatic spraying process to form a conductive paste paint layer of the vehicle glass demisting line; wherein, the electrostatic spraying process parameters are as follows: spraying voltage of 60kV, current of 10 mu A, flow rate and pressure of 0.3MPa, spraying time of 20 seconds, reciprocating speed of a spray gun of 30 mm/second, spraying flow of 2 cc/second, spraying powder of 20 mu m, distance between a spray gun opening and a workpiece of 100mm, and spraying angle of 70 degrees, and then curing and sintering to obtain a coating layer, wherein the curing baking time is 20min, and the baking temperature is 100 ℃.
Example 2
Preparing conductive slurry for the vehicle glass demisting line for later use; the formulation of the conductive paste was the same as in example 1;
spraying the obtained paint on the surface of the vehicle glass by adopting an electrostatic spraying process to form a conductive paste paint layer of the vehicle glass demisting line; wherein, the electrostatic spraying process parameters are as follows: the spraying voltage is 75kV, the current is 15uA, the flow rate and pressure are 0.4MPa, the spraying time is 35 seconds, the reciprocating speed of a spray gun is 45 mm/second, the spraying flow is 4 cc/second, the spraying powder is 100 micrometers, the distance between a spray gun opening and a workpiece is 125mm, the spraying angle is 80 degrees, then the curing and sintering are carried out, and a coating layer is obtained, wherein the curing baking time is 35min, and the baking temperature is 130 degrees.
Example 3
Preparing conductive slurry for the vehicle glass demisting line for later use; the formulation of the conductive paste was the same as in example 1;
spraying the obtained paint on the surface of the vehicle glass by adopting an electrostatic spraying process to form a conductive paste paint layer of the vehicle glass demisting line; wherein, the electrostatic spraying process parameters are as follows: spraying voltage of 90kV, current of 20uA, flow rate and pressure of 0.45MPa, spraying time of 50 seconds, reciprocating speed of a spray gun of 60 mm/second, spraying flow of 5 cc/second, spraying powder of 200 mu m, distance between a spray gun opening and a workpiece of 150mm, and spraying angle of 90 degrees, and then curing and sintering to obtain a coating layer, wherein the curing baking time is 50min, and the baking temperature is 150 degrees.
In order to verify the performance of the conductive paste coating layer for the vehicle glass demisting line prepared by the preparation method of the invention, the coating layer in each example was subjected to a performance test, and the results are shown in table 1.
Comparative examples
The conductive paste for the automotive glass defogging line in the example 1 is printed on the surface of glass by adopting the prior art (screen printing), and then is cured and sintered. The properties of the resulting coating layer are shown in table 1.
TABLE 1 Properties of conductive films prepared using the present invention and prior art processes
As can be seen from Table 1, compared with the automotive glass demisting line coating layer obtained by the prior art, the automotive glass demisting line coating layer is subjected to performance test comparison in the aspects of hardness, adhesive force, square resistance, acid resistance and flatness, and the automotive glass demisting film has the characteristics of uniformity, no bubbles, no cracks, high compactness, high hardness, high compactness, strong wear resistance, corrosion resistance, strong adhesive force, uniform color, low square resistance and the like.
Although specific embodiments of the invention have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the appended claims.
Claims (5)
1. The manufacturing method of the defogging glass comprises the steps of arranging the electric heating layer on the glass substrate, and is characterized in that: spraying conductive slurry of the glass demisting line for the vehicle on the glass substrate in an electrostatic spraying mode, and forming the electric heating layer after curing;
the conductive paste for the automobile glass demisting line comprises the following components in percentage by mass: 10-15% of carbon-based conductive phase, 65-80% of metal and metal oxide conductive phase, 5-15% of organic binder and 5-15% of glass powder, wherein the sum of the mass percentages of the components is 100%;
the metal and metal oxide conductive phase comprises the following metals and metal oxides: gold Au, palladium Pd, silver Ag, platinum Pt, ruthenium Ru, copper, zinc, barium carbonate, lanthanum strontium manganate and lanthanum strontium cobaltate, the particle size of which is 100-200 nm; the carbon conductive phase comprises carbon black and graphite, and the particle size of the carbon conductive phase is 100-500 um;
the electrostatic spraying conditions are as follows: the spraying voltage is 60-90 kV, the current is 10-20 uA, the flow rate and pressure are 0.3-0.45MPa, the spraying time is 20-50 seconds, the reciprocating speed of a spray gun is 30-60 mm/second, the spraying flow is 2-5 cc/second, the distance between the mouth of the spray gun and a workpiece is 100-150 mm, and the spraying angle is 70-90 degrees.
2. A method of manufacturing a defogging glass according to claim 1, wherein: the organic binder is selected from polyethylene glycol, sodium polyacrylate, polyvinylpyrrolidone, sodium polystyrene sulfonate, polyimide, low molecular polyamide resin, acrylic acid modified alkyd resin, styrene modified alkyd resin and urea resin; the viscosity is 50 dPas-300 dPas.
3. A method of manufacturing a defogging glass according to claim 1, wherein: the glass powder is Bi-Si-B-Zn, Bi-Si-Al-Mg-Zn, P-Zn-Sn or B-Zn-V system.
4. A method of manufacturing a defogging glass according to claim 1, wherein: the preparation method of the conductive paste for the vehicle glass demisting line comprises the following steps:
step 1), uniformly mixing a carbon conductive phase, a metal conductive phase and a metal oxide conductive phase, and drying to remove moisture; then, repeatedly grinding the mixture in a grinding device, adding glass powder, and continuously grinding the mixture to obtain composite powder;
step 2), adding an organic binder into the composite powder, uniformly stirring, and carrying out ultrasonic treatment on the mixture to obtain a composite dispersion;
and 3) heating the composite dispersion to 35-40 ℃, and uniformly stirring and dispersing to obtain the conductive slurry for the vehicle glass demisting line.
5. The method for producing a defogging glass according to claim 4, wherein: the ultrasonic treatment conditions in the step 2) are as follows: the ultrasonic frequency is 5-20 kHz, the maximum output power is 2000W, and the ultrasonic treatment time is 30-50 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811121218.7A CN109225780B (en) | 2018-09-26 | 2018-09-26 | Manufacturing method of demisting glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811121218.7A CN109225780B (en) | 2018-09-26 | 2018-09-26 | Manufacturing method of demisting glass |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109225780A CN109225780A (en) | 2019-01-18 |
| CN109225780B true CN109225780B (en) | 2021-12-17 |
Family
ID=65057564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811121218.7A Expired - Fee Related CN109225780B (en) | 2018-09-26 | 2018-09-26 | Manufacturing method of demisting glass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109225780B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109485271B (en) * | 2019-01-22 | 2022-02-15 | 福建工程学院 | Anti-radiation, anti-static and heat-insulating coated glass and preparation method thereof |
| CN110381614B (en) * | 2019-06-24 | 2022-02-18 | 东莞市中科智恒新材料有限公司 | Far infrared heating material, preparation method of far infrared heating body and far infrared heating body |
| CN110232987B (en) * | 2019-06-28 | 2020-03-31 | 智玻蓝新科技(武汉)有限公司 | Special conductive paste for glass-based circuit board |
| 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 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101978776A (en) * | 2008-03-17 | 2011-02-16 | Lg化学株式会社 | Heating element and manufacturing method for same |
| US20120082806A1 (en) * | 2010-10-04 | 2012-04-05 | Kyle Ryan Kissell | Heatable coating with nanomaterials |
| CN103985434B (en) * | 2014-05-05 | 2016-09-21 | 清华大学深圳研究生院 | The manufacture method of a kind of nesa coating and nesa coating |
-
2018
- 2018-09-26 CN CN201811121218.7A patent/CN109225780B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN109225780A (en) | 2019-01-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109225780B (en) | Manufacturing method of demisting glass | |
| WO2018228407A1 (en) | Graphene/metal nanobelt composite conductive ink, preparation method therefor and application thereof | |
| CN103545012B (en) | Filter conductive silver paste and preparation method thereof | |
| CN108133768A (en) | A kind of high conductivity low temperature curing type electrocondution slurry and preparation method thereof | |
| US20120219787A1 (en) | Conductive metal paste composition and method of manufacturing the same | |
| JP5065613B2 (en) | Nickel ink | |
| CN107393629B (en) | Conductive silver paste and preparation method and application thereof | |
| KR20120048436A (en) | Oxide semiconductor ink for ink-jet printing and manufacturing method thereof, manufacturing method of photovoltaics using thereof | |
| TW201033298A (en) | Inks and pastes for solar cell fabrication | |
| KR20090034823A (en) | Composition for forming electrode in solar cell, method of forming the electrode, and solar cell employing electrode obtained by the formation method | |
| CN103559937A (en) | Low silver content paste composition and method of making a conductive film therefrom | |
| CN107146652B (en) | Copper conductive slurry and preparation method and application thereof | |
| EP3029686A1 (en) | Conductive filler, method for producing same, conductive paste and method for producing conductive paste | |
| CN114792588B (en) | Preparation method of conductive silver paste for spraying electrode silver grid aerosol of solar cell | |
| CN109698040A (en) | A kind of water-base electron slurry and preparation method thereof | |
| EP2763141B1 (en) | Low fire silver paste | |
| CN106186718B (en) | A kind of vehicle glass production technology done line with heating function using silver paste, receive signal | |
| JP2008135417A (en) | Method of forming electrode in solar cell, and the solar cell using electrode obtained by the same | |
| CN111627590A (en) | Conductive silver paste for chip inductor and preparation method thereof | |
| CN117877813A (en) | Preparation method and application of environment-friendly water-based conductive silver paste | |
| CN104387828B (en) | Carbon-based conductive coating and preparation method thereof | |
| CN105764168A (en) | Car rear windshield heating wire silver paste and preparation method thereof | |
| KR20120004122A (en) | Electrode paste and electrode using the same | |
| CN111370158A (en) | Fine wire silver paste for passenger car glass and preparation method thereof | |
| CN109300572A (en) | The vehicle glass de-fog electrocondution slurry and preparation method of nano silver doped graphene |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211217 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |