CN117601577A - Character silk-screen printing method of silica gel panel - Google Patents
Character silk-screen printing method of silica gel panel Download PDFInfo
- Publication number
- CN117601577A CN117601577A CN202311446984.1A CN202311446984A CN117601577A CN 117601577 A CN117601577 A CN 117601577A CN 202311446984 A CN202311446984 A CN 202311446984A CN 117601577 A CN117601577 A CN 117601577A
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- Prior art keywords
- silica gel
- composite
- gel panel
- parts
- furnace
- 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.)
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 239000000741 silica gel Substances 0.000 title claims abstract description 61
- 229910002027 silica gel Inorganic materials 0.000 title claims abstract description 61
- 238000007650 screen-printing Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000002131 composite material Substances 0.000 claims abstract description 73
- 239000003973 paint Substances 0.000 claims abstract description 71
- 238000005507 spraying Methods 0.000 claims abstract description 32
- 238000001816 cooling Methods 0.000 claims abstract description 16
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 63
- 229910052697 platinum Inorganic materials 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 27
- 239000003921 oil Substances 0.000 claims description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 9
- 239000001257 hydrogen Substances 0.000 claims description 9
- 229910052739 hydrogen Inorganic materials 0.000 claims description 9
- 239000011347 resin Substances 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 9
- 229910052710 silicon Inorganic materials 0.000 claims description 9
- 239000010703 silicon Substances 0.000 claims description 9
- 229920002545 silicone oil Polymers 0.000 claims description 9
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000011248 coating agent Substances 0.000 abstract description 4
- 238000000576 coating method Methods 0.000 abstract description 4
- 238000005562 fading Methods 0.000 abstract description 4
- 239000003085 diluting agent Substances 0.000 description 14
- HNRMPXKDFBEGFZ-UHFFFAOYSA-N 2,2-dimethylbutane Chemical compound CCC(C)(C)C HNRMPXKDFBEGFZ-UHFFFAOYSA-N 0.000 description 6
- ZFFMLCVRJBZUDZ-UHFFFAOYSA-N 2,3-dimethylbutane Chemical compound CC(C)C(C)C ZFFMLCVRJBZUDZ-UHFFFAOYSA-N 0.000 description 6
- AFABGHUZZDYHJO-UHFFFAOYSA-N 2-Methylpentane Chemical compound CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 description 6
- PFEOZHBOMNWTJB-UHFFFAOYSA-N 3-methylpentane Chemical compound CCC(C)CC PFEOZHBOMNWTJB-UHFFFAOYSA-N 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- 239000004205 dimethyl polysiloxane Substances 0.000 description 3
- 238000010147 laser engraving Methods 0.000 description 3
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 3
- -1 polydimethylsiloxane Polymers 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010329 laser etching Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/26—Printing on other surfaces than ordinary paper
- B41M1/30—Printing on other surfaces than ordinary paper on organic plastics, horn or similar materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/12—Stencil printing; Silk-screen printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0011—Pre-treatment or treatment during printing of the recording material, e.g. heating, irradiating
-
- 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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
-
- 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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
-
- 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
- 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
-
- 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
- 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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The embodiment of the invention discloses a character silk-screen printing method of a silica gel panel, which comprises the following steps: step 1: spraying a layer of composite white paint on the surface of the silica gel panel, and curing by an IR furnace; step 2: spraying a layer of composite white paint again, and curing by an IR furnace; step 3: spraying a layer of composite colored paint, and curing by an IR furnace; step 4: spraying a layer of composite hand feeling ink, and curing by an IR furnace; step 5: laser carving corresponding character grooves; step 6: silk-screen printing a layer of colored ink in a character groove, and curing by an IR furnace; step 7: after cooling, spraying a layer of composite hand feeling ink on the surface of the silica gel panel, and curing by an IR furnace. The wear resistance and alcohol resistance of the silica gel panel coating are improved, and the phenomena of fading, paint dropping and the like in the later use process are avoided; the invention improves the production yield and the mass productivity of products.
Description
Technical Field
The invention relates to the technical field of preparation of silica gel panels, in particular to a character silk-screen printing method of a silica gel panel.
Background
Along with the improvement of aesthetic appearance of products, the colors of the products become more colorful, and the vivid colors enter the market of the silica gel panel to attract more consumers. In the existing silica gel panel (such as a silica gel panel of a generator, etc.), because users often touch the silica gel panel, phenomena of bright color fading, paint dropping, etc. of the surface spraying of the silica gel panel can occur, so that the color of the silica gel panel is deviated, and the attractiveness is affected.
In the silica gel industry, in the prior art, the yield of products of bright spraying colors is not too high, and the bad wear is too high, so that the cost of the bright products is high, the mass production is low, and the market popularization rate is low. Therefore, optimization of the production process is urgently needed to improve the production yield and the mass productivity of products, improve the wear resistance and the alcohol resistance of the silica gel panel coating and avoid the phenomena of fading, paint dropping and the like in the later use process.
Disclosure of Invention
The technical problem to be solved by the embodiment of the invention is to provide a character silk-screen printing method of a silica gel panel, so as to improve the wear resistance and alcohol resistance of a coating of the silica gel panel.
In order to solve the above technical problems, an embodiment of the present invention provides a character silk-screen method for a silica gel panel, including:
step 1: spraying a layer of composite white paint on the surface of the silica gel panel, and curing by an IR furnace;
step 2: after cooling, spraying a layer of composite white paint on the surface of the silica gel panel again, and curing by an IR furnace;
step 3: spraying a layer of composite colored paint on the surface of the silica gel panel after cooling, and curing by an IR furnace;
step 4: spraying a layer of composite hand feeling ink on the surface of the silica gel panel after cooling, and curing by an IR furnace;
step 5: corresponding character grooves are laser carved on the surface of the silica gel panel;
step 6: silk-screen printing a layer of colored ink in a character groove on the surface of the silica gel panel, and curing by an IR furnace;
step 7: and (3) spraying a layer of composite hand feeling ink on the surface of the silica gel panel after cooling, solidifying by an IR furnace, and cooling to obtain a silica gel panel product after finishing screen printing.
Further, the composite white paint sprayed in the step 1 and the step 2 consists of white paint, a diluent and platinum water, wherein the mass ratio of the white paint to the diluent to the platinum water is 13.05:52.2: 0.3915, and the white paint comprises the following components in parts by mass: 72 parts of organic silicon resin, 11 parts of titanium dioxide, 3 parts of hydrogen-containing silicone oil and 14 parts of ethyl acetate.
Further, the thickness range of the composite white paint sprayed in the step 1 and the step 2 is 25-30 mu m, the furnace passing temperature is 190 DEG plus or minus 20 DEG, and the baking and curing time range is 522 plus or minus 145s.
Further, the composite colored paint sprayed in the step 3 consists of colored paint, a diluent and platinum water, wherein the mass ratio of the colored paint to the diluent to the platinum water is 6.25: 21.875:0.1875, and the colored paint comprises the following components in parts by mass: 42 parts of organic silicon resin, 22 parts of colored toner, 0.1 part of hydrogen-containing silicone oil and 35.9 parts of ethyl acetate.
Further, the thickness range of the composite colored paint sprayed in the step 3 is 25-31 mu m, the furnace passing temperature is 190 DEG plus or minus 20 DEG, and the baking and curing time range is 522 plus or minus 145s.
Further, the composite hand feeling ink in the step 4 and the step 7 consists of hand feeling oil, a diluent and platinum water, wherein the mass ratio of the hand feeling oil to the diluent to the platinum water is 3.96:15.84: 0.1188, and the hand feeling oil comprises the following components in parts by mass: 43 parts of organic silicon resin, 26 parts of matting powder, 4 parts of hydrogen-containing silicone oil and 27 parts of ethyl acetate.
Further, the thickness range of the composite hand feeling ink sprayed in the step 3 in the step 4 and the step 7 is 6-8 mu m, the furnace passing temperature is 160 DEG plus or minus 20 DEG, and the baking and curing time range is 522 plus or minus 145s.
The beneficial effects of the invention are as follows: the wear resistance and alcohol resistance of the silica gel panel coating are improved, and the phenomena of fading, paint dropping and the like in the later use process are avoided; the invention improves the production yield and the mass productivity of products.
Drawings
Fig. 1 is a schematic structural view of a screen-printed silica gel panel product according to an embodiment of the present invention.
Detailed Description
It should be noted that, without conflict, the embodiments and features of the embodiments in the present application may be combined with each other, and the present invention will be further described in detail with reference to the drawings and the specific embodiments.
Referring to fig. 1, the character screen printing method of the silica gel panel according to the embodiment of the invention includes steps 1 to 7.
Step 1: spraying a layer of composite white paint on the surface of the silica gel panel, and curing by an IR furnace.
Step 2: and (5) spraying a layer of composite white paint on the surface of the silica gel panel again after cooling, and curing by an IR furnace. The composite white paint consists of white paint, a diluent and platinum water, wherein the mass ratio of the white paint to the diluent to the platinum water is 13.05:52.2: 0.3915, and the white paint comprises the following components in parts by mass: 72 parts of organic silicon resin, 11 parts of titanium dioxide, 3 parts of hydrogen-containing silicone oil and 14 parts of ethyl acetate. The thickness range of the composite white paint is 25-30 mu m, the passing furnace temperature is 190 DEG + -20 DEG, the baking and curing time range is 522 + -145 s, and the speed is 9 + -2 HZ (the speed of one revolution of a conveyor belt of a screen printing tunnel furnace).
According to the invention, 2 layers of composite white paint are sprayed, so that the adhesive force of the composite colored paint is improved; the 2 layers of white priming paint also enables the stability of the spray color difference value to be higher.
Step 3: after cooling, spraying a layer of composite colored paint on the surface of the silica gel panel, and curing by an IR furnace. The composite colored paint consists of colored paint, a diluent and platinum water, wherein the mass ratio of the colored paint to the diluent to the platinum water is 6.25: 21.875:0.1875, and the colored paint comprises the following components in parts by mass: 42 parts of organic silicon resin, 22 parts of colored toner, 0.1 part of hydrogen-containing silicone oil and 35.9 parts of ethyl acetate. The thickness range of the composite colored paint is 25-31 mu m, the furnace passing temperature is 190 DEG + -20 DEG, the baking and curing time range is 522 + -145 s, and the speed is 9 + -2 HZ. The colored toner may be a color toner corresponding to the color on the market, for example, orange color toner may be selected.
Step 4: after cooling, spraying a layer of composite hand feeling ink on the surface of the silica gel panel, and curing by an IR furnace.
Step 5: corresponding character grooves are laser carved on the surface of the silica gel panel. Preferably, laser engraving depth = composite color paint layer thickness + first layer composite feel ink layer thickness.
Step 6: and (5) silk-screen printing a layer of colored ink in a character groove on the surface of the silica gel panel, and curing by an IR furnace. The silk screen printing is realized by adopting the prior art, the colored ink is realized by adopting the prior general colored ink, and the curing temperature is realized by adopting the prior art (the temperature is 220 DEG + -10 DEG; the IR speed is 23 + -5 HZ). In the concrete implementation, platinum water is preferably added according to the mass ratio, so that the adhesive force of the colored ink is improved, and the mass ratio of the colored ink to the platinum water is 100:3.
Step 7: and (3) spraying a layer of composite hand feeling ink on the surface of the silica gel panel after cooling, solidifying by an IR furnace, and cooling to obtain a silica gel panel product after finishing screen printing.
The thinner comprises, by mass, 30% -50% of 2-methylpentane, 20% -40% of 3-methylpentane, 10% -20% of 2, 2-dimethylbutane and 10% -20% of 2, 3-dimethylbutane, and the platinum water comprises, by mass, 95% -99% of vinyl-terminated polydimethylsiloxane and 1% -5% of platinum (0) -1, 3-divinyl-1, 3-tetramethyl disiloxane complex.
The composite hand feeling ink consists of hand feeling oil, a diluent and platinum water, wherein the mass ratio of the hand feeling oil to the diluent to the platinum water is 3.96:15.84: 0.1188, and the hand feeling oil comprises the following components in parts by mass: 43 parts of organic silicon resin, 26 parts of matting powder, 4 parts of hydrogen-containing silicone oil and 27 parts of ethyl acetate. The thickness range of the composite hand feeling ink is 6-8 mu m, the furnace passing temperature is 160 DEG + -20 DEG, the baking and curing time range is 522 + -145 s, and the speed is 9 + -2 HZ.
The composite hand feeling ink is used for protecting the composite colored paint layer and the colored ink layer in the character groove. The invention protects the silk-screen characters in the character groove by adopting a layer of composite hand feeling ink, thereby improving the wear resistance and the alcohol resistance. The non-character groove area (the part is easier to contact with the hands of a user and is easier to rub) on the silica gel panel is protected by double-layer composite hand feeling ink (the non-character groove area is sequentially provided with a composite white paint layer 1, a composite white paint layer 2, a composite colored paint layer, a composite hand feeling ink layer 1 and a composite hand feeling ink layer 2 from bottom to top, and the character groove is sequentially provided with the colored ink layer and the composite hand feeling ink layer 2 from bottom to top), meanwhile, the gloss of the surface of the silica gel panel is easier to control, and the wear resistance, the scratch resistance and the alcohol resistance are improved.
According to the invention, the color difference value of each vivid color ink is not changed after repeated wiping and cleaning of the product in the production process, the cleaning and wiping efficiency of laser etching is improved, the color uncontrollability is improved, the stability of the spray coating color difference value is higher, the overall yield and efficiency of the production are improved by more than 30%, and the yield is improved by more than 20%.
Even if the product is repeatedly wiped and cleaned, the color difference value of the product is not changed, the laser carving cleaning and wiping efficiency is improved, the spraying color difference value is stable, and the product performance test is excellent.
Example 1: spraying a first layer of composite white paint on the surface of the silica gel panel, and then spraying a second layer of composite white paint after curing (the mass ratio of the white paint to the thinner of the composite white paint to the platinum water is 13.05:52.2: 0.3915, the thickness of the composite white paint is 28 mu m, the furnace passing temperature is 190 ℃, and the baking curing time is 522 s); spraying a layer of composite colored paint (the mass ratio of the colored paint to the thinner to the platinum water of the composite colored paint is 6.25: 21.875:0.1875, the thickness of the composite colored paint is 28 mu m), and curing (the furnace passing temperature is 190 degrees, and the baking curing time is 522 s); spraying a layer of composite hand feeling ink (the mass ratio of the hand feeling oil to the thinner to the platinum water of the composite hand feeling ink is 3.96:15.84: 0.1188, and the thickness of the composite hand feeling ink is 7 mu m), and curing (the passing furnace temperature is 160 DEG, and the baking curing time is 522 s); corresponding character grooves are laser-etched through a laser engraving machine; a layer of colored ink (the passing furnace temperature is 220 DEG; the IR speed is 23 HZ) is silk-screened in the character groove; and spraying a layer of composite hand feeling ink (the mass ratio of the hand feeling oil to the thinner to the platinum water of the composite hand feeling ink is 3.96:15.84: 0.1188, and the thickness of the composite hand feeling ink is 7 mu m), and curing (the passing furnace temperature is 160 degrees, and the baking curing time is 522 s) to obtain the silica gel panel product with the silk screen printing. The diluent of the embodiment 1 of the invention comprises 40% of 2-methylpentane, 30% of 3-methylpentane, 15% of 2, 2-dimethylbutane and 15% of 2, 3-dimethylbutane, and platinum water comprises 97% of vinyl-terminated polydimethylsiloxane, and 3% of platinum (0) -1, 3-divinyl-1, 3-tetramethyl disiloxane complex in percentage by mass.
The abrasion resistance of the silica gel panel product of the embodiment of the invention is tested: the rubber is not fallen off more than 300g/1000 times; alcohol resistance: (alcohol abrasion resistance instrument) with no falling off more than 300g/1000 times; the color difference value errors are all within 0.5; the visual color has no chromatic aberration, and the color consistency of the product is good.
Comparative example 1: spraying a first layer of composite white paint on the surface of the silica gel panel, and curing (the mass ratio of the white paint of the composite white paint to the diluent to the platinum water is 13.05:52.2: 0.3915, the thickness of the composite white paint is 28 mu m, the furnace passing temperature is 190 ℃, and the baking and curing time is 522 s); spraying a layer of composite colored paint (the mass ratio of the colored paint to the thinner to the platinum water of the composite colored paint is 6.25: 21.875:0.1875, the thickness of the composite colored paint is 28 mu m), and curing (the furnace passing temperature is 190 degrees, and the baking curing time is 522 s); corresponding character grooves are laser-etched through a laser engraving machine; a layer of colored ink (the passing furnace temperature is 220 DEG; the IR speed is 23 HZ) is silk-screened in the character groove; and spraying a layer of composite hand feeling ink (the mass ratio of the hand feeling oil to the thinner to the platinum water of the composite hand feeling ink is 3.96:15.84: 0.1188, and the thickness of the composite hand feeling ink is 7 mu m), and curing (the passing furnace temperature is 160 degrees, and the baking curing time is 522 s) to obtain the silica gel panel product with the silk screen printing. The thinner of the comparative example 1 consists of 40 mass percent of 2-methylpentane, 30 mass percent of 3-methylpentane, 15 mass percent of 2, 2-dimethylbutane and 15 mass percent of 2, 3-dimethylbutane, and platinum water consists of 97 mass percent of vinyl-terminated polydimethylsiloxane, and 3 mass percent of platinum (0) -1, 3-divinyl-1, 3-tetramethyl disiloxane complex.
After finished product testing, its wearability: (rubber) ordinary 300g/800 times of falling off; alcohol resistance: (alcohol abrasion resistance instrument) 300g/760 times of falling off; the color difference value errors are all above 1.0, and the color difference of each silica gel panel product is obvious by visual observation;
although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (7)
1. A character screen printing method of a silica gel panel, comprising:
step 1: spraying a layer of composite white paint on the surface of the silica gel panel, and curing by an IR furnace;
step 2: after cooling, spraying a layer of composite white paint on the surface of the silica gel panel again, and curing by an IR furnace;
step 3: spraying a layer of composite colored paint on the surface of the silica gel panel after cooling, and curing by an IR furnace;
step 4: spraying a layer of composite hand feeling ink on the surface of the silica gel panel after cooling, and curing by an IR furnace;
step 5: corresponding character grooves are laser carved on the surface of the silica gel panel;
step 6: silk-screen printing a layer of colored ink in a character groove on the surface of the silica gel panel, and curing by an IR furnace;
step 7: and (3) spraying a layer of composite hand feeling ink on the surface of the silica gel panel after cooling, solidifying by an IR furnace, and cooling to obtain a silica gel panel product after finishing screen printing.
2. The character silk-screen printing method of the silica gel panel as claimed in claim 1, wherein the composite white paint sprayed in the step 1 and the step 2 consists of white paint, a thinner and platinum water, the mass ratio of the white paint to the thinner to the platinum water is 13.05:52.2: 0.3915, and the white paint comprises the following components in parts by mass: 72 parts of organic silicon resin, 11 parts of titanium dioxide, 3 parts of hydrogen-containing silicone oil and 14 parts of ethyl acetate.
3. The character silk-screen printing method of the silica gel panel according to claim 2, wherein the thickness range of the composite white paint sprayed in the step 1 and the step 2 is 25-30 μm, the furnace passing temperature is 190 DEG plus or minus 20 DEG, and the baking and curing time range is 522 plus or minus 145s.
4. The character silk-screen printing method of the silica gel panel as claimed in claim 1, wherein the compound colored paint sprayed in the step 3 consists of colored paint, a thinner and platinum water, the mass ratio of the colored paint to the thinner to the platinum water is 6.25: 21.875:0.1875, and the colored paint comprises the following components in parts by mass: 42 parts of organic silicon resin, 22 parts of colored toner, 0.1 part of hydrogen-containing silicone oil and 35.9 parts of ethyl acetate.
5. The method for silk-screen printing characters on a silica gel panel according to claim 4, wherein the thickness of the composite colored paint sprayed in the step 3 is 25-31 μm, the passing furnace temperature is 190 DEG + -20 DEG, and the baking and curing time is 522 + -145 s.
6. The character silk-screen printing method of the silica gel panel as claimed in claim 1, wherein the composite hand feeling ink in the step 4 and the step 7 is composed of hand feeling oil, a thinner and platinum water, the mass ratio of the hand feeling oil to the thinner to the platinum water is 3.96:15.84: 0.1188, and the hand feeling oil comprises the following components in parts by mass: 43 parts of organic silicon resin, 26 parts of matting powder, 4 parts of hydrogen-containing silicone oil and 27 parts of ethyl acetate.
7. The method for silk-screen printing characters on a silica gel panel according to claim 1, wherein the thickness range of the composite hand feeling ink sprayed in the step 3 in the step 4 and the step 7 is 6-8 μm, the furnace passing temperature is 160 DEG plus or minus 20 DEG, and the baking and curing time range is 522 plus or minus 145s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311446984.1A CN117601577A (en) | 2023-11-02 | 2023-11-02 | Character silk-screen printing method of silica gel panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311446984.1A CN117601577A (en) | 2023-11-02 | 2023-11-02 | Character silk-screen printing method of silica gel panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117601577A true CN117601577A (en) | 2024-02-27 |
Family
ID=89956953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311446984.1A Pending CN117601577A (en) | 2023-11-02 | 2023-11-02 | Character silk-screen printing method of silica gel panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117601577A (en) |
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2023
- 2023-11-02 CN CN202311446984.1A patent/CN117601577A/en active Pending
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