CN116836582A - Silk-screen printing ink and glass cover plate silk-screen printing method - Google Patents
Silk-screen printing ink and glass cover plate silk-screen printing method Download PDFInfo
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- CN116836582A CN116836582A CN202310472333.3A CN202310472333A CN116836582A CN 116836582 A CN116836582 A CN 116836582A CN 202310472333 A CN202310472333 A CN 202310472333A CN 116836582 A CN116836582 A CN 116836582A
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- screen printing
- printing ink
- silk
- stainless steel
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- 238000007650 screen-printing Methods 0.000 title claims abstract description 119
- 239000011521 glass Substances 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims description 32
- 150000001875 compounds Chemical class 0.000 claims abstract description 43
- 239000000178 monomer Substances 0.000 claims abstract description 33
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims abstract description 25
- 239000000049 pigment Substances 0.000 claims abstract description 19
- 125000001931 aliphatic group Chemical group 0.000 claims abstract description 14
- 239000004814 polyurethane Substances 0.000 claims abstract description 14
- 229920002635 polyurethane Polymers 0.000 claims abstract description 14
- KCTAWXVAICEBSD-UHFFFAOYSA-N prop-2-enoyloxy prop-2-eneperoxoate Chemical compound C=CC(=O)OOOC(=O)C=C KCTAWXVAICEBSD-UHFFFAOYSA-N 0.000 claims abstract description 14
- CXPZXQKHUPKWLD-UHFFFAOYSA-N 2,3-difluoro-2-(1,1,2,2,3,3,4,4,5,5,6,6,6-tridecafluorohexyl)-3-(trifluoromethyl)oxirane Chemical group FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C1(F)OC1(F)C(F)(F)F CXPZXQKHUPKWLD-UHFFFAOYSA-N 0.000 claims abstract description 11
- KUBDPQJOLOUJRM-UHFFFAOYSA-N 2-(chloromethyl)oxirane;4-[2-(4-hydroxyphenyl)propan-2-yl]phenol Chemical group ClCC1CO1.C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 KUBDPQJOLOUJRM-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 65
- -1 lithopone Chemical compound 0.000 claims description 26
- 239000002033 PVDF binder Substances 0.000 claims description 24
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 24
- 239000000843 powder Substances 0.000 claims description 24
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 claims description 18
- 239000000945 filler Substances 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 239000006229 carbon black Substances 0.000 claims description 12
- DTGKSKDOIYIVQL-WEDXCCLWSA-N (+)-borneol Chemical group C1C[C@@]2(C)[C@@H](O)C[C@@H]1C2(C)C DTGKSKDOIYIVQL-WEDXCCLWSA-N 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 11
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 9
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 8
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 8
- LEJBBGNFPAFPKQ-UHFFFAOYSA-N 2-(2-prop-2-enoyloxyethoxy)ethyl prop-2-enoate Chemical compound C=CC(=O)OCCOCCOC(=O)C=C LEJBBGNFPAFPKQ-UHFFFAOYSA-N 0.000 claims description 6
- INQDDHNZXOAFFD-UHFFFAOYSA-N 2-[2-(2-prop-2-enoyloxyethoxy)ethoxy]ethyl prop-2-enoate Chemical compound C=CC(=O)OCCOCCOCCOC(=O)C=C INQDDHNZXOAFFD-UHFFFAOYSA-N 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- ISAOCJYIOMOJEB-UHFFFAOYSA-N benzoin Chemical compound C=1C=CC=CC=1C(O)C(=O)C1=CC=CC=C1 ISAOCJYIOMOJEB-UHFFFAOYSA-N 0.000 claims description 6
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 6
- 239000012752 auxiliary agent Substances 0.000 claims description 5
- 235000012239 silicon dioxide Nutrition 0.000 claims description 5
- ZDQNWDNMNKSMHI-UHFFFAOYSA-N 1-[2-(2-prop-2-enoyloxypropoxy)propoxy]propan-2-yl prop-2-enoate Chemical compound C=CC(=O)OC(C)COC(C)COCC(C)OC(=O)C=C ZDQNWDNMNKSMHI-UHFFFAOYSA-N 0.000 claims description 4
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 4
- 239000002518 antifoaming agent Substances 0.000 claims description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 4
- VFHVQBAGLAREND-UHFFFAOYSA-N diphenylphosphoryl-(2,4,6-trimethylphenyl)methanone Chemical compound CC1=CC(C)=CC(C)=C1C(=O)P(=O)(C=1C=CC=CC=1)C1=CC=CC=C1 VFHVQBAGLAREND-UHFFFAOYSA-N 0.000 claims description 4
- 235000010215 titanium dioxide Nutrition 0.000 claims description 4
- 239000012956 1-hydroxycyclohexylphenyl-ketone Substances 0.000 claims description 3
- XMLYCEVDHLAQEL-UHFFFAOYSA-N 2-hydroxy-2-methyl-1-phenylpropan-1-one Chemical compound CC(C)(O)C(=O)C1=CC=CC=C1 XMLYCEVDHLAQEL-UHFFFAOYSA-N 0.000 claims description 3
- 244000028419 Styrax benzoin Species 0.000 claims description 3
- 235000000126 Styrax benzoin Nutrition 0.000 claims description 3
- 235000008411 Sumatra benzointree Nutrition 0.000 claims description 3
- GUCYFKSBFREPBC-UHFFFAOYSA-N [phenyl-(2,4,6-trimethylbenzoyl)phosphoryl]-(2,4,6-trimethylphenyl)methanone Chemical compound CC1=CC(C)=CC(C)=C1C(=O)P(=O)(C=1C=CC=CC=1)C(=O)C1=C(C)C=C(C)C=C1C GUCYFKSBFREPBC-UHFFFAOYSA-N 0.000 claims description 3
- VEBCLRKUSAGCDF-UHFFFAOYSA-N ac1mi23b Chemical compound C1C2C3C(COC(=O)C=C)CCC3C1C(COC(=O)C=C)C2 VEBCLRKUSAGCDF-UHFFFAOYSA-N 0.000 claims description 3
- 229960002130 benzoin Drugs 0.000 claims description 3
- MQDJYUACMFCOFT-UHFFFAOYSA-N bis[2-(1-hydroxycyclohexyl)phenyl]methanone Chemical compound C=1C=CC=C(C(=O)C=2C(=CC=CC=2)C2(O)CCCCC2)C=1C1(O)CCCCC1 MQDJYUACMFCOFT-UHFFFAOYSA-N 0.000 claims description 3
- 229910000428 cobalt oxide Inorganic materials 0.000 claims description 3
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 claims description 3
- NWWQVENFTIRUMF-UHFFFAOYSA-N diphenylphosphanyl 2,4,6-trimethylbenzoate Chemical compound CC1=CC(C)=CC(C)=C1C(=O)OP(C=1C=CC=CC=1)C1=CC=CC=C1 NWWQVENFTIRUMF-UHFFFAOYSA-N 0.000 claims description 3
- 235000019382 gum benzoic Nutrition 0.000 claims description 3
- YDKNBNOOCSNPNS-UHFFFAOYSA-N methyl 1,3-benzoxazole-2-carboxylate Chemical compound C1=CC=C2OC(C(=O)OC)=NC2=C1 YDKNBNOOCSNPNS-UHFFFAOYSA-N 0.000 claims description 3
- FSDNTQSJGHSJBG-UHFFFAOYSA-N piperidine-4-carbonitrile Chemical compound N#CC1CCNCC1 FSDNTQSJGHSJBG-UHFFFAOYSA-N 0.000 claims description 3
- 239000006116 anti-fingerprint coating Substances 0.000 abstract description 4
- 230000003373 anti-fouling effect Effects 0.000 abstract description 3
- 239000000976 ink Substances 0.000 description 78
- 238000001723 curing Methods 0.000 description 34
- 230000000052 comparative effect Effects 0.000 description 16
- 238000012360 testing method Methods 0.000 description 10
- 238000005299 abrasion Methods 0.000 description 9
- VFZKVQVQOMDJEG-UHFFFAOYSA-N 2-prop-2-enoyloxypropyl prop-2-enoate Chemical compound C=CC(=O)OC(C)COC(=O)C=C VFZKVQVQOMDJEG-UHFFFAOYSA-N 0.000 description 8
- CSCPPACGZOOCGX-UHFFFAOYSA-N acetone Substances CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 125000003700 epoxy group Chemical group 0.000 description 6
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 239000011737 fluorine Substances 0.000 description 4
- 229910052731 fluorine Inorganic materials 0.000 description 4
- DCAYPVUWAIABOU-UHFFFAOYSA-N hexadecane Chemical compound CCCCCCCCCCCCCCCC DCAYPVUWAIABOU-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000007142 ring opening reaction Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 210000002268 wool Anatomy 0.000 description 3
- 230000003666 anti-fingerprint Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000012763 reinforcing filler Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 239000002671 adjuvant Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000000016 photochemical curing Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 125000005373 siloxane group Chemical group [SiH2](O*)* 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- B41M1/12—Stencil printing; Silk-screen printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/26—Printing on other surfaces than ordinary paper
- B41M1/34—Printing on other surfaces than ordinary paper on glass or ceramic surfaces
-
- 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
- C09D11/023—Emulsion inks
- C09D11/0235—Duplicating inks, e.g. for stencil printing
-
- 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
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Ceramic Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
In order to solve the problems of complex operation and insufficient wear resistance of the existing glass cover plate screen printing ink and anti-fingerprint coating, the application provides screen printing ink which comprises the following components in parts by weight: 25-47 parts of prepolymer, 16-35 parts of monomer, 0.1-2 parts of pigment, 3-7 parts of photoinitiator, 1-5 parts of compound shown in structural formula 1 and 2-7 parts of compound shown in structural formula 2; the monomer comprises the following components in parts by weight: 10-15 parts of a first monomer and 6-20 parts of a second monomer; the first monomer is selected from perfluorohexyl propylene oxide; wherein the prepolymer comprises 10-35 parts of epoxy acrylate and 15-27 parts of aliphatic polyurethane acrylate. The silk-screen printing ink provided by the application has excellent anti-fouling and anti-oil properties and wear resistance.
Description
Technical Field
The application belongs to the technical field of new materials, and particularly relates to screen printing ink and a glass cover plate screen printing method.
Background
The existing intelligent electronic products are often provided with glass cover plates to protect the internal electronic structures, for example, the outer surfaces of mobile phone cameras are usually provided with glass cover plates, or glass cover plates of some mobile phone shells and the like, and meanwhile, the non-transparent surfaces or decorative surfaces of the glass cover plates are usually provided with shielding ink or patterns, however, different from the conventional glass surfaces, oil stains and the like are extremely easy to be stained on some shielding ink, such as fingerprints and the like, so as to influence the appearance, and the existing scheme for solving the problem is to form an anti-fingerprint coating on the surfaces of the shielding ink in a vapor deposition or vapor deposition mode, so that the scheme has the problems of complex operation flow and high difficulty on one hand; on the other hand, the surface stress of the shielding ink and the anti-fingerprint coating is poor, so that the wear resistance of the whole coating can be influenced, and the abrasion and falling risks exist when the whole coating is used for a long time or impacted.
Disclosure of Invention
Aiming at the problems of complex operation and insufficient wear resistance of the existing glass cover plate screen printing ink and anti-fingerprint coating, the application provides a screen printing ink and a glass cover plate screen printing method.
The technical scheme adopted by the application for solving the technical problems is as follows:
in one aspect, the application provides silk-screen printing ink, which comprises the following components in parts by weight:
25-47 parts of prepolymer, 16-35 parts of monomer, 0.1-2 parts of pigment, 3-7 parts of photoinitiator and structure
1 to 5 parts of a compound shown in a formula 1 and 2 to 7 parts of a compound shown in a structural formula 2;
the monomer comprises the following components in parts by weight:
10-15 parts of a first monomer and 6-20 parts of a second monomer;
the first monomer is selected from perfluorohexyl propylene oxide;
wherein the prepolymer comprises 10-35 parts of epoxy acrylate and 15-27 parts of aliphatic polyurethane acrylate.
Optionally, the second monomer is selected from one or more of isobornyl (meth) acrylate, tricyclodecane dimethanol diacrylate, neopentyl glycol diacrylate, dipropylene glycol diacrylate, tripropylene glycol diacrylate, diethylene glycol diacrylate, triethylene glycol diacrylate, and ethylene glycol diglycidyl ether diacrylate.
Optionally, the pigment comprises one or more of chrome green, titanium white, carbon black, lithopone, silver aluminum paste or cobalt oxide; and the median particle size of the pigment is less than 5 microns.
Optionally, the silk-screen printing ink further comprises the following components in parts by weight:
1-3 parts of filler;
the filler is selected from one or more of calcium carbonate, barium sulfate, aluminum hydroxide, silicon dioxide, talcum powder and glycidyl methacrylate grafted modified polyvinylidene fluoride powder.
Optionally, the filler is selected from glycidyl methacrylate graft modified polyvinylidene fluoride powder having a median particle size of less than 5 microns.
Optionally, the photoinitiator comprises one or more of diphenyl- (2, 4, 6-trimethylbenzoyl) oxy-phosphorus, 1-hydroxycyclohexylphenyl ketone, 2-hydroxy-2-methyl-1-phenyl-1-propanone, benzoin diethyl ether and phenyl bis (2, 4, 6-trimethylbenzoyl) phosphine oxide.
Optionally, the silk-screen printing ink further comprises 0.1-3 parts by weight of an auxiliary agent.
Optionally, the auxiliary agent comprises one or more of a leveling agent and a defoaming agent.
In another aspect, the application provides a glass cover plate screen printing method, comprising the following steps of:
preparing the silk-screen printing ink, and mixing the prepolymer, the monomer, the pigment, the photoinitiator, the compound shown in the structural formula 1 and the compound shown in the structural formula 2 according to the raw material ratio to obtain the silk-screen printing ink;
providing a stainless steel wire screen plate, immersing the stainless steel wire screen plate in a perfluorohexyl epoxypropane solution, wherein the perfluorohexyl epoxypropane solution contains 2-4 parts by weight of diphenyl- (2, 4, 6-trimethylbenzoyl) phosphorus oxide and 96-98 parts by weight of perfluorohexyl epoxypropane;
taking out the stainless steel wire screen plate, performing ultraviolet light curing on the stainless steel wire screen plate, and forming air pressure difference on two sides of the stainless steel wire screen plate while performing ultraviolet light irradiation curing so as to form air flow in meshes of the stainless steel wire screen plate;
the stainless steel wire screen printing plate after ultraviolet light curing is assembled by adopting a fixed frame and then is arranged above a glass cover plate, silk-screen printing ink is arranged above the stainless steel wire screen printing plate, a scraper is adopted to reciprocate the stainless steel wire screen printing plate for 1-4 times, and the silk-screen printing ink forms patterns on the glass cover plate through meshes of the stainless steel wire screen printing plate;
and performing ultraviolet curing operation on the glass cover plate to obtain the glass cover plate with the silk-screen pattern.
Optionally, the operation of forming an air pressure difference on two sides of the stainless steel wire screen plate includes:
applying positive pressure on one side of a stainless steel wire screen, or:
negative pressure is applied to one side of the stainless steel wire screen plate.
According to the silk-screen printing ink provided by the application, epoxy acrylate and aliphatic polyurethane acrylate are adopted as a prepolymer, and perfluorohexyl epoxypropane is added into a monomer, and can be grafted into the prepolymer through epoxy groups in the ultraviolet light curing process, so that the prepolymer is provided with fluorine-containing branched chains, the anti-fouling and oil-resistant performances of the silk-screen printing ink are improved, an anti-fingerprint layer is not required to be additionally arranged, but the silk-screen printing ink added with perfluorohexyl epoxypropane has another problem that the wettability between the surface of a glass cover plate and the silk-screen printing ink is reduced, so that part of positions of the silk-screen printing ink are recessed due to shrinkage stress in the curing process, the flatness after curing is insufficient, and the wear resistance of the silk-screen printing ink is reduced; to solve this problem, the inventors further added a compound represented by structural formula 1 and a compound represented by structural formula 2 to the silk-screen ink, wherein the compound represented by structural formula 1 and the compound represented by structural formula 2 have a siloxane structure capable of bonding to the glass surface through hydrolysis reaction, the epoxy group of the compound represented by structural formula 1 can be connected with the prepolymer through ring opening, so that the bonding strength of the silk-screen ink and the glass cover plate is improved, and the compound represented by structural formula 2 can improve the wettability of the silk-screen ink to the glass cover plate surface, thereby being beneficial to ensuring the leveling property of the silk-screen ink on the glass cover plate surface and ensuring the leveling property of the ink during curing.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects solved by the application more clear, the application is further described in detail below with reference to the embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
The embodiment of the application provides silk-screen printing ink, which comprises the following components in parts by weight:
25-47 parts of prepolymer, 16-35 parts of monomer, 0.1-2 parts of pigment, 3-7 parts of photoinitiator and structure
1 to 5 parts of a compound shown in a formula 1 and 2 to 7 parts of a compound shown in a structural formula 2;
the monomer comprises the following components in parts by weight:
10-15 parts of a first monomer and 6-20 parts of a second monomer;
the first monomer is selected from perfluorohexyl propylene oxide;
wherein the prepolymer comprises 10-35 parts of epoxy acrylate and 15-27 parts of aliphatic polyurethane acrylate.
According to the silk-screen printing ink, epoxy acrylate and aliphatic polyurethane acrylate are adopted as a prepolymer, perfluorohexyl epoxypropane is added into a monomer, and the perfluorohexyl epoxypropane can be grafted into the prepolymer through epoxy groups in the ultraviolet light curing process, so that the prepolymer is provided with fluorine-containing branched chains, the anti-fouling and anti-oil performance of the silk-screen printing ink is improved, an anti-fingerprint layer is not required to be additionally arranged, but the silk-screen printing ink added with the perfluorohexyl epoxypropane has another problem that wettability between the surface of a glass cover plate and the silk-screen printing ink is reduced, partial position is recessed due to shrinkage stress of the silk-screen printing ink in the curing process, flatness after curing is insufficient, and abrasion resistance of the silk-screen printing ink is reduced; to solve this problem, the inventors further added a compound represented by structural formula 1 and a compound represented by structural formula 2 to the silk-screen ink, wherein the compound represented by structural formula 1 and the compound represented by structural formula 2 have a siloxane structure capable of bonding to the glass surface through hydrolysis reaction, the epoxy group of the compound represented by structural formula 1 can be connected with the prepolymer through ring opening, so that the bonding strength of the silk-screen ink and the glass cover plate is improved, and the compound represented by structural formula 2 can improve the wettability of the silk-screen ink to the glass cover plate surface, thereby being beneficial to ensuring the leveling property of the silk-screen ink on the glass cover plate surface and ensuring the leveling property of the ink during curing.
In some embodiments, the second monomer is selected from one or more of isobornyl (meth) acrylate, tricyclodecane dimethanol diacrylate, neopentyl glycol diacrylate, dipropylene glycol diacrylate, tripropylene glycol diacrylate, diethylene glycol diacrylate, triethylene glycol diacrylate, ethylene glycol diglycidyl ether diacrylate.
The second monomer has smaller molecular weight and low viscosity, is used as a solubilizer in the silk-screen printing ink, participates in reaction film formation in the ultraviolet light curing process, does not generate solvent volatilization in the process, and has better environmental protection effect, and in a preferred embodiment, the second monomer contains 30 mass percent of polyfunctional group reaction monomers, wherein the polyfunctional group reaction monomers comprise one or more of propylene glycol diacrylate and ethylene glycol diglycidyl ether diacrylate, calculated by the total mass of the second monomer as 100 percent.
In some embodiments, the pigment comprises one or more of chrome green, titanium dioxide, carbon black, lithopone, silver aluminum paste, or cobalt oxide; and the median particle size of the pigment is less than 5 microns.
The choice of pigment may be selected according to the actual color to be rendered, for example, carbon black may be selected if the silk-screen ink is ultimately rendered black, titanium dioxide may be selected if the silk-screen ink is ultimately rendered white, and so on, in some cases, multiple pigments may be used together to achieve a particular color match.
The pigment with the median particle diameter smaller than 5 microns is beneficial to ensuring the dispersibility of the pigment and the application of the obtained ink in screen printing, and when the median particle diameter of the pigment is too large, sedimentation is easy to occur or the pigment is not easy to pass through meshes in the screen printing process, so that the film forming effect is influenced.
In some embodiments, the silk screen ink further comprises the following weight components:
1-3 parts of filler;
the filler is selected from one or more of calcium carbonate, barium sulfate, aluminum hydroxide, silicon dioxide, talcum powder and glycidyl methacrylate grafted modified polyvinylidene fluoride powder.
The filler is used for enhancing the wear resistance of the silk-screen printing ink.
In some embodiments, the filler is selected from glycidyl methacrylate graft modified polyvinylidene fluoride powders having a median particle size of less than 5 microns.
When calcium carbonate, barium sulfate, aluminum hydroxide, silicon dioxide and talcum powder are adopted as fillers, the compatibility with a silk-screen printing ink layer is poor, stress in a film layer is easy to increase in the curing process, and the abrasion resistance of the silk-screen printing ink layer is improved to a limited extent, so that the polyvinylidene fluoride powder grafted and modified by glycidyl methacrylate is preferably adopted as a reinforcing filler, the polyvinylidene fluoride powder has higher abrasion resistance and toughness, the abrasion resistance of the silk-screen printing ink is improved by adding the polyvinylidene fluoride powder, and meanwhile, the polyvinylidene fluoride powder has better toughness, so that a certain buffer effect can be effectively generated for the problem of internal stress increase caused by ring-opening connection of epoxy groups in the curing process of the silk-screen printing ink, the internal stress of the film layer is further reduced, the stability and the abrasion resistance of the cured film layer are improved, the problem that the pure polyvinylidene fluoride powder is difficult to fully disperse with other components exists due to polarity difference, the connection interface of the pure polyvinylidene fluoride powder and other materials is layered, and the whole strength of the film layer is influenced; through carrying out glycidyl methacrylate grafting modification on polyvinylidene fluoride powder, can improve the affinity between polyvinylidene fluoride powder and other components, do benefit to abundant dispersion, more importantly, in the light curing process, unreacted epoxy group on the glycidyl methacrylate does benefit to and forms the tie with other components, improves the integral strength of rete, has guaranteed the homogeneity of solidification rete inside, avoids the problem of interface layering, through above-mentioned many aspects influence, finally obtains a silk screen printing ink that wearability is excellent.
In some embodiments, the amount of glycidyl methacrylate grafted onto the filler is 4% to 15% by mass, based on 100% by mass of the filler.
In some embodiments, the photoinitiator includes one or more of diphenyl- (2, 4, 6-trimethylbenzoyl) oxy-phosphorus, 1-hydroxycyclohexylphenyl ketone, 2-hydroxy-2-methyl-1-phenyl-1-propanone, benzoin diethyl ether, and phenyl bis (2, 4, 6-trimethylbenzoyl) phosphine oxide.
In some embodiments, the silk screen ink further comprises 0.1 to 3 parts by weight of an auxiliary agent.
In some embodiments, the adjuvant includes one or more of a leveling agent, an antifoaming agent.
The leveling agent is used for improving the leveling property of the silk-screen printing ink and the flatness of the film layer, and the defoaming agent is used for reducing bubbles generated in the silk-screen printing ink and avoiding the problem that the cured film layer has small bubbles.
Another embodiment of the present application provides a glass cover plate screen printing method, comprising the following operation steps:
preparing the silk-screen printing ink, and mixing the prepolymer, the monomer, the pigment, the photoinitiator, the compound shown in the structural formula 1 and the compound shown in the structural formula 2 according to the raw material ratio to obtain the silk-screen printing ink;
providing a stainless steel wire screen plate, immersing the stainless steel wire screen plate in a perfluorohexyl epoxypropane solution, wherein the perfluorohexyl epoxypropane solution contains 2-4 parts by weight of diphenyl- (2, 4, 6-trimethylbenzoyl) phosphorus oxide and 96-98 parts by weight of perfluorohexyl epoxypropane;
taking out the stainless steel wire screen plate, performing ultraviolet light curing on the stainless steel wire screen plate, and forming air pressure difference on two sides of the stainless steel wire screen plate while performing ultraviolet light irradiation curing so as to form air flow in meshes of the stainless steel wire screen plate;
the stainless steel wire screen printing plate after ultraviolet light curing is assembled by adopting a fixed frame and then is arranged above a glass cover plate, silk-screen printing ink is arranged above the stainless steel wire screen printing plate, a scraper is adopted to reciprocate the stainless steel wire screen printing plate for 1-4 times, and the silk-screen printing ink forms patterns on the glass cover plate through meshes of the stainless steel wire screen printing plate;
and performing ultraviolet curing operation on the glass cover plate to obtain the glass cover plate with the silk-screen pattern.
It should be noted that, the inventor finds that when the components of the silk-screen printing ink are adjusted, the problem of pattern edge burrs occurs when the original stainless steel wire screen plate is adopted for silk-screen printing, the reason is that the fluorine modified silk-screen printing ink is insufficient in wettability to the stainless steel wire screen plate, so that the surface tension at the mesh is overlarge, the transmission of the silk-screen printing ink is uneven, especially in the edge position, is more obvious, in order to solve the problem, the inventor places the stainless steel wire screen plate in perfluorohexyl epoxy propane solution, adheres a thin fluorine-containing resin layer on stainless steel wires of the stainless steel wire screen plate in a photo-curing and pressure-applying mode, and meanwhile, because continuous airflow exists between meshes on the stainless steel wire screen plate, the problem that the meshes are blocked in the curing process can be avoided, the wettability between the silk-screen printing ink and the stainless steel wire screen printing ink can be improved, and the tension of the silk-screen printing ink at the stainless steel wire screen plate is reduced, so that the problem of edge burrs occurring at the stainless steel wire screen printing pattern can be effectively solved.
In some embodiments, the operation of creating a differential air pressure across the stainless steel wire screen plate comprises:
applying positive pressure on one side of a stainless steel wire screen, or:
negative pressure is applied to one side of the stainless steel wire screen plate.
In some embodiments, in the "ultraviolet curing operation on a glass cover plate", the glass cover plate is placed in an air atmosphere, the glass cover plate is heated to make the temperature of the glass cover plate reach 50-60 ℃, the temperature is kept for 30 min-2 h, and then ultraviolet light is applied to the glass cover plate for curing operation.
The water contained in the air can be utilized to promote the hydrolysis of siloxane groups on the compound shown in the structural formula 1 and the compound shown in the structural formula 2 by curing in the air atmosphere while keeping the temperature at 50-60 ℃, so that the compound is combined with the surface of the glass cover plate, and the smoothness of the surface of the cured ink in the subsequent ultraviolet curing operation is ensured.
The application is further illustrated by the following examples.
Example 1
The embodiment is used for explaining the glass cover plate silk screen printing method disclosed by the application, and comprises the following operation steps:
mixing the raw materials according to the following weight proportion to obtain silk-screen printing ink;
23 parts of epoxy acrylate, 21 parts of aliphatic polyurethane acrylate, 13 parts of perfluorohexyl propylene oxide, 10 parts of isobornyl (meth) acrylate, 5 parts of propylene glycol diacrylate, 0.5 part of carbon black, 2 parts of glycidyl methacrylate grafted and modified polyvinylidene fluoride powder, 2 parts of a compound shown in a structural formula 1, 4 parts of a compound shown in the structural formula 2 and 4 parts of 2-hydroxy-2-methyl-1-phenyl-1-acetone.
The median particle diameter of the glycidyl methacrylate graft modified polyvinylidene fluoride powder was 4.3 microns.
Providing a stainless steel wire screen plate, wherein a planar pattern and a CD pattern (mesh pattern) are arranged on the stainless steel wire screen plate, and the stainless steel wire screen plate is immersed in a perfluorohexyl epoxypropane solution, wherein the perfluorohexyl epoxypropane solution contains 3 parts by weight of diphenyl- (2, 4, 6-trimethylbenzoyl) phosphorus oxide and 97 parts by weight of perfluorohexyl epoxypropane;
taking out the stainless steel wire screen plate, performing ultraviolet light curing on the stainless steel wire screen plate, and continuously sucking at one side of the stainless steel by adopting a centrifugal fan while performing ultraviolet light irradiation curing so as to form air flow in meshes of the stainless steel wire screen plate;
the method comprises the steps of assembling a stainless steel wire screen plate after ultraviolet light curing by adopting a fixed frame, placing the stainless steel wire screen plate above a glass cover plate, placing silk-screen printing ink above the stainless steel wire screen plate, and performing reciprocating motion on the stainless steel wire screen plate for 2 times by adopting a scraper, wherein the silk-screen printing ink forms patterns on the glass cover plate through meshes of the stainless steel wire screen plate;
after the silk screen printing operation, placing the glass cover plate in an air atmosphere, heating the glass cover plate to enable the temperature of the glass cover plate to reach 55 ℃, preserving heat for 1h, and then performing ultraviolet curing operation on the glass cover plate to obtain the glass cover plate with the silk screen printing pattern.
Example 2
The present embodiment is used for explaining the glass cover plate screen printing method disclosed by the application, and comprises most of the operation steps in embodiment 1, wherein the difference is that:
the silk-screen printing ink is prepared by mixing the following raw materials in parts by weight:
31 parts of epoxy acrylate, 15 parts of aliphatic polyurethane acrylate, 15 parts of perfluorohexyl propylene oxide, 5 parts of isobornyl (meth) acrylate, 11 parts of propylene glycol diacrylate, 0.5 part of carbon black, 2 parts of glycidyl methacrylate grafted and modified polyvinylidene fluoride powder, 4 parts of a compound shown in a structural formula 1, 2 parts of a compound shown in a structural formula 2 and 4 parts of 2-hydroxy-2-methyl-1-phenyl-1-acetone.
Example 3
The present embodiment is used for explaining the glass cover plate screen printing method disclosed by the application, and comprises most of the operation steps in embodiment 1, wherein the difference is that:
the silk-screen printing ink is prepared by mixing the following raw materials in parts by weight:
16 parts of epoxy acrylate, 24 parts of aliphatic polyurethane acrylate, 11 parts of perfluorohexyl propylene oxide, 10 parts of isobornyl (meth) acrylate, 6 parts of tripropylene glycol diacrylate, 0.5 part of carbon black, 2 parts of glycidyl methacrylate grafted and modified polyvinylidene fluoride powder, 4 parts of a compound shown in a structural formula 1, 2 parts of a compound shown in a structural formula 2 and 4 parts of 2-hydroxy-2-methyl-1-phenyl-1-acetone.
Example 4
The present embodiment is used for explaining the glass cover plate screen printing method disclosed by the application, and comprises most of the operation steps in embodiment 1, wherein the difference is that:
the silk-screen printing ink is prepared by mixing the following raw materials in parts by weight:
23 parts of epoxy acrylate, 21 parts of aliphatic polyurethane acrylate, 13 parts of perfluorohexyl propylene oxide, 10 parts of isobornyl (meth) acrylate, 5 parts of propylene glycol diacrylate, 0.5 part of carbon black, 2 parts of polyvinylidene fluoride powder, 2 parts of a compound shown in a structural formula 1, 4 parts of a compound shown in a structural formula 2 and 4 parts of 2-hydroxy-2-methyl-1-phenyl-1-acetone.
The median particle diameter of the polyvinylidene fluoride powder was 3.8 microns.
Example 5
The present embodiment is used for explaining the glass cover plate screen printing method disclosed by the application, and comprises most of the operation steps in embodiment 1, wherein the difference is that:
the silk-screen printing ink is prepared by mixing the following raw materials in parts by weight:
23 parts of epoxy acrylate, 21 parts of aliphatic polyurethane acrylate, 13 parts of perfluorohexyl propylene oxide, 10 parts of isobornyl (meth) acrylate, 5 parts of propylene glycol diacrylate, 0.5 part of carbon black, 2 parts of silicon dioxide, 2 parts of a compound shown in a structural formula 1, 4 parts of a compound shown in a structural formula 2 and 4 parts of 2-hydroxy-2-methyl-1-phenyl-1-acetone.
The median particle size of the silica was 2.1 microns.
Example 6
The present embodiment is used for explaining the glass cover plate screen printing method disclosed by the application, and comprises most of the operation steps in embodiment 1, wherein the difference is that:
after the silk-screen printing operation, the temperature rising operation is not performed, and the ultraviolet curing operation is directly performed on the glass cover plate, so that the glass cover plate with the silk-screen printing pattern is obtained.
Comparative example 1
This comparative example is used to compare and illustrate the disclosed glass cover plate screen printing method, comprising most of the operating steps of example 1, with the following differences:
the silk-screen printing ink is prepared by mixing the following raw materials in parts by weight:
23 parts of epoxy acrylate, 21 parts of aliphatic polyurethane acrylate, 23 parts of isobornyl (meth) acrylate, 5 parts of propylene glycol diacrylate, 0.5 part of carbon black, 2 parts of glycidyl methacrylate grafted and modified polyvinylidene fluoride powder, 2 parts of a compound shown in a structural formula 1, 4 parts of a compound shown in the structural formula 2 and 4 parts of 2-hydroxy-2-methyl-1-phenyl-1-acetone.
Comparative example 2
This comparative example is used to compare and illustrate the disclosed glass cover plate screen printing method, comprising most of the operating steps of example 1, with the following differences:
the silk-screen printing ink is prepared by mixing the following raw materials in parts by weight:
23 parts of epoxy acrylate, 21 parts of aliphatic polyurethane acrylate, 13 parts of perfluorohexyl propylene oxide, 10 parts of isobornyl (meth) acrylate, 5 parts of propylene glycol diacrylate, 0.5 part of carbon black, 2 parts of glycidyl methacrylate grafted and modified polyvinylidene fluoride powder, 2 parts of a compound shown in a structural formula 1 and 4 parts of 2-hydroxy-2-methyl-1-phenyl-1-acetone.
Comparative example 3
This comparative example is used to compare and illustrate the disclosed glass cover plate screen printing method, comprising most of the operating steps of example 1, with the following differences:
the silk-screen printing ink is prepared by mixing the following raw materials in parts by weight:
23 parts of epoxy acrylate, 21 parts of aliphatic polyurethane acrylate, 13 parts of perfluorohexyl propylene oxide, 10 parts of isobornyl (meth) acrylate, 5 parts of propylene glycol diacrylate, 0.5 part of carbon black, 2 parts of glycidyl methacrylate grafted and modified polyvinylidene fluoride powder, 4 parts of a compound shown in a structural formula 2 and 4 parts of 2-hydroxy-2-methyl-1-phenyl-1-acetone.
Comparative example 4
This comparative example is used to compare and illustrate the disclosed glass cover plate screen printing method, comprising most of the operating steps of example 1, with the following differences:
the stainless steel wire screen plate is not subjected to additional soaking and curing operations, and is directly adopted to carry out pattern silk screen printing of silk screen printing ink.
Comparative example 5
This comparative example is used to compare and illustrate the disclosed glass cover plate screen printing method, comprising most of the operating steps of example 1, with the following differences:
and taking out the stainless steel wire screen printing plate, and directly carrying out ultraviolet curing on the stainless steel wire screen printing plate without carrying out the suction operation of the centrifugal fan.
Performance testing
The following performance tests were performed on the glass cover plates prepared in examples 1 to 6 and comparative examples 1 to 5 described above:
1. contact angle test: the contact angle of hexadecane on the bulk pattern of each example and comparative example samples was measured using a contact angle meter.
2. Friction test: and fixing the prepared glass cover plate through a clamp, clamping the steel wool on the surfaces of the samples of each example and the comparative example by using a manipulator, setting the same acting force by using the manipulator, pushing the steel wool back and forth to perform surface friction, and testing the contact angle of hexadecane on the samples of each example and the comparative example through a contact angle measuring instrument after the steel wool is rubbed back and forth for 500 times.
3. Testing pattern forming effect: the CD pattern was evaluated by visual inspection, and the CD pattern forming effect was recorded.
The test results obtained are filled in Table 1.
TABLE 1
As can be seen from the test results of Table 1, compared with other screen printing inks, the glass cover plate formed by the screen printing method of the glass cover plate provided by the application has a larger contact angle, which indicates that the screen printing ink provided by the application has better oleophobic performance, and still maintains the better oleophobic performance after repeated friction, and has excellent abrasion resistance.
From the test results of examples 1 to 3 and examples 4 and 5, it is understood that the glycidyl methacrylate graft modified polyvinylidene fluoride powder as a reinforcing filler can effectively improve the abrasion resistance of the ink and avoid the problem of decreased oleophobicity due to abrasion.
From the test results of examples 1 to 6 and comparative example 4, it is understood that the tension of the screen printing ink at the mesh of the stainless steel wire screen plate can be effectively reduced by performing the immersing and curing operation on the stainless steel wire screen plate, and the problem of edge burr occurring in the screen printed pattern can be effectively solved. From the test results of comparative example 5, it is understood that the blocking of the mesh can be avoided by the suction operation during the curing of the stainless wire screen plate, and the screen printing effect can be ensured.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.
Claims (10)
1. The silk screen printing ink is characterized by comprising the following components in parts by weight:
25-47 parts of prepolymer, 16-35 parts of monomer, 0.1-2 parts of pigment, 3-7 parts of photoinitiator, 1-5 parts of compound shown in structural formula 1 and 2-7 parts of compound shown in structural formula 2;
the monomer comprises the following components in parts by weight:
10-15 parts of a first monomer and 6-20 parts of a second monomer;
the first monomer is selected from perfluorohexyl propylene oxide;
wherein the prepolymer comprises 10-35 parts of epoxy acrylate and 15-27 parts of aliphatic polyurethane acrylate.
2. The screen printing ink of claim 1 wherein the second monomer is selected from one or more of isobornyl (meth) acrylate, tricyclodecane dimethanol diacrylate, neopentyl glycol diacrylate, dipropylene glycol diacrylate, tripropylene glycol diacrylate, diethylene glycol diacrylate, triethylene glycol diacrylate, ethylene glycol diglycidyl ether diacrylate.
3. The screen printing ink of claim 1 wherein the pigment comprises one or more of chrome green, titanium white, carbon black, lithopone, silver aluminum paste or cobalt oxide; and the median particle size of the pigment is less than 5 microns.
4. The screen printing ink of claim 1, wherein the screen printing ink further comprises the following components in weight:
1-3 parts of filler;
the filler is selected from one or more of calcium carbonate, barium sulfate, aluminum hydroxide, silicon dioxide, talcum powder and glycidyl methacrylate grafted modified polyvinylidene fluoride powder.
5. The screen printing ink of claim 4 wherein the filler is selected from the group consisting of glycidyl methacrylate graft modified polyvinylidene fluoride powders having a median particle size of less than 5 microns.
6. The screen printing ink of claim 1 wherein the photoinitiator comprises one or more of diphenyl- (2, 4, 6-trimethylbenzoyl) oxy-phosphorus, 1-hydroxycyclohexyl phenyl ketone, 2-hydroxy-2-methyl-1-phenyl-1-propanone, benzoin diethyl ether and phenyl bis (2, 4, 6-trimethylbenzoyl) phosphine oxide.
7. The screen printing ink according to claim 1, characterized in that the screen printing ink further comprises 0.1-3 parts by weight of an auxiliary agent.
8. The screen printing ink of claim 1 wherein the auxiliary agent comprises one or more of a leveling agent and an antifoaming agent.
9. The glass cover plate screen printing method is characterized by comprising the following operation steps:
preparing the silk-screen printing ink according to any one of claims 1 to 8, and mixing a prepolymer, a monomer, a pigment, a photoinitiator, a compound shown in a structural formula 1 and a compound shown in a structural formula 2 according to a raw material ratio to obtain the silk-screen printing ink;
providing a stainless steel wire screen plate, immersing the stainless steel wire screen plate in a perfluorohexyl epoxypropane solution, wherein the perfluorohexyl epoxypropane solution contains 2-4 parts by weight of diphenyl- (2, 4, 6-trimethylbenzoyl) phosphorus oxide and 96-98 parts by weight of perfluorohexyl epoxypropane;
taking out the stainless steel wire screen plate, performing ultraviolet light curing on the stainless steel wire screen plate, and forming air pressure difference on two sides of the stainless steel wire screen plate while performing ultraviolet light irradiation curing so as to form air flow in meshes of the stainless steel wire screen plate;
the stainless steel wire screen printing plate after ultraviolet light curing is assembled by adopting a fixed frame and then is arranged above a glass cover plate, silk-screen printing ink is arranged above the stainless steel wire screen printing plate, a scraper is adopted to reciprocate the stainless steel wire screen printing plate for 1-4 times, and the silk-screen printing ink forms patterns on the glass cover plate through meshes of the stainless steel wire screen printing plate;
and performing ultraviolet curing operation on the glass cover plate to obtain the glass cover plate with the silk-screen pattern.
10. The glass cover screen printing method according to claim 1, wherein the operation of forming a differential air pressure on both sides of the stainless steel wire screen plate comprises:
applying positive pressure on one side of a stainless steel wire screen, or:
negative pressure is applied to one side of the stainless steel wire screen plate.
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