CN110294961B - A kind of UV curing glass protective ink and preparation method thereof - Google Patents
A kind of UV curing glass protective ink and preparation method thereof Download PDFInfo
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- CN110294961B CN110294961B CN201910730367.1A CN201910730367A CN110294961B CN 110294961 B CN110294961 B CN 110294961B CN 201910730367 A CN201910730367 A CN 201910730367A CN 110294961 B CN110294961 B CN 110294961B
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- 239000011521 glass Substances 0.000 title claims abstract description 36
- 230000001681 protective effect Effects 0.000 title claims abstract description 35
- 238000003848 UV Light-Curing Methods 0.000 title claims description 5
- 238000002360 preparation method Methods 0.000 title abstract description 12
- 239000000178 monomer Substances 0.000 claims abstract description 29
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 25
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 25
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 24
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims abstract description 17
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000002270 dispersing agent Substances 0.000 claims description 55
- 238000001723 curing Methods 0.000 claims description 36
- 239000012752 auxiliary agent Substances 0.000 claims description 22
- 239000003795 chemical substances by application Substances 0.000 claims description 16
- 239000000049 pigment Substances 0.000 claims description 8
- -1 polydimethylene Polymers 0.000 claims description 6
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 5
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 5
- QNODIIQQMGDSEF-UHFFFAOYSA-N (1-hydroxycyclohexyl)-phenylmethanone Chemical compound C=1C=CC=CC=1C(=O)C1(O)CCCCC1 QNODIIQQMGDSEF-UHFFFAOYSA-N 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- UHFFVFAKEGKNAQ-UHFFFAOYSA-N 2-benzyl-2-(dimethylamino)-1-(4-morpholin-4-ylphenyl)butan-1-one Chemical compound C=1C=C(N2CCOCC2)C=CC=1C(=O)C(CC)(N(C)C)CC1=CC=CC=C1 UHFFVFAKEGKNAQ-UHFFFAOYSA-N 0.000 claims description 3
- 125000004386 diacrylate group Chemical group 0.000 claims description 3
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 claims description 3
- 229920000058 polyacrylate Polymers 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 239000006229 carbon black Substances 0.000 claims description 2
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims description 2
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- 239000013530 defoamer Substances 0.000 claims 10
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 239000012634 fragment Substances 0.000 abstract description 2
- 239000000976 ink Substances 0.000 description 60
- 239000002518 antifoaming agent Substances 0.000 description 27
- 229920002635 polyurethane Polymers 0.000 description 16
- 239000004814 polyurethane Substances 0.000 description 16
- 239000000203 mixture Substances 0.000 description 13
- KSFBTBXTZDJOHO-UHFFFAOYSA-N diaminosilicon Chemical compound N[Si]N KSFBTBXTZDJOHO-UHFFFAOYSA-N 0.000 description 12
- 238000002156 mixing Methods 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 11
- 238000000227 grinding Methods 0.000 description 9
- 239000000853 adhesive Substances 0.000 description 8
- 230000001070 adhesive effect Effects 0.000 description 8
- 238000007639 printing Methods 0.000 description 8
- 239000003513 alkali Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000003973 paint Substances 0.000 description 7
- 238000004132 cross linking Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229940088644 n,n-dimethylacrylamide Drugs 0.000 description 5
- YLGYACDQVQQZSW-UHFFFAOYSA-N n,n-dimethylprop-2-enamide Chemical compound CN(C)C(=O)C=C YLGYACDQVQQZSW-UHFFFAOYSA-N 0.000 description 5
- 238000006116 polymerization reaction Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- XLPJNCYCZORXHG-UHFFFAOYSA-N 1-morpholin-4-ylprop-2-en-1-one Chemical compound C=CC(=O)N1CCOCC1 XLPJNCYCZORXHG-UHFFFAOYSA-N 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000010998 test method Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 150000004996 alkyl benzenes Chemical class 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- 239000011253 protective coating Substances 0.000 description 2
- 150000003254 radicals Chemical class 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000003578 releasing effect Effects 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 230000004580 weight loss Effects 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- 235000012216 bentonite Nutrition 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 150000001555 benzenes Chemical class 0.000 description 1
- 230000001588 bifunctional effect Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 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 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 125000003010 ionic group Chemical group 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 230000000135 prohibitive effect Effects 0.000 description 1
- KCTAWXVAICEBSD-UHFFFAOYSA-N prop-2-enoyloxy prop-2-eneperoxoate Chemical compound C=CC(=O)OOOC(=O)C=C KCTAWXVAICEBSD-UHFFFAOYSA-N 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- 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
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
- C09D11/033—Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
-
- 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
- C09D11/101—Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
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)
- General Chemical & Material Sciences (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
本发明公开了提供一种UV固化玻璃保护油墨及其制备方法，所述保护油墨包括以下组分：40‑60份三官能度聚氨酯丙烯酸树脂，10‑15份单官能度的紫外光固化单体，10‑15份三氧化二铝，8‑12份光引发剂、2‑3份双氨基型硅烷偶联剂。该保护油墨具有极强的耐磨性、优秀的附着力、脱膜时间短、无残留；呈小碎片脱膜，不会挂架，不会堵塞下水管，提高生产效率。The invention discloses and provides a UV-curable glass protective ink and a preparation method thereof. The protective ink comprises the following components: 40-60 parts of trifunctional urethane acrylic resin, and 10-15 parts of monofunctional UV-curable monomer , 10-15 parts of aluminum oxide, 8-12 parts of photoinitiator, 2-3 parts of bisamino silane coupling agent. The protective ink has strong wear resistance, excellent adhesion, short release time and no residue; it is released in small fragments, will not hang, will not block the sewer pipe, and improve production efficiency.
Description
Technical Field
The invention relates to the technical field of printing ink, and particularly relates to UV (ultraviolet) curing glass protection printing ink and a preparation method thereof.
Background
At present, the capacitive screen is widely applied to the global touch screen market, and compared with the prior resistive screen, the capacitive screen is more practical and has higher technological content. Will also become a touch era in the future! Customer requirements for touch screen glass lens production quality are becoming more and more stringent, however, a common phenomenon in the industry is glass scratching. The lens production processing straight rate is basically about 50-55%, and the most main cause of the defects is the scratch of lens glass in the processing. The polishing and grinding again after the lens is scratched has lower production efficiency, and expensive grinding equipment is particularly prohibitive for many merchants. How to reduce the glass scratch and improve the yield is the problem which must be solved in the whole industry. In the industry, whether a glass lens is scratched or not is listed as one of the most important and strict detection items. The links which are most likely to cause scratches in the processing process are cutting, CNC processing, clamping piece profiling and engraving. It is therefore desirable to protect the glass prior to processing.
In order to solve the technical problem, a plurality of protective printing inks are developed on the market, the protective printing inks are mainly printed on the surface of glass through screen printing, a layer of protective film is formed on the surface of the glass by the protective printing inks after Ultraviolet (UV) curing so as to resist scratches, scratches and clamping injuries possibly caused by tools and external force, and the protective film is removed in dilute alkali liquor after the glass is processed. However, the performance of the UV-curable glass protective ink in the current market is immature, and because the wear resistance and the adhesive force of the protective ink are in a contradictory relationship with the stripping performance of alkali liquor, the protective ink with good wear resistance and adhesive force is not easy to strip and is difficult to clean, and the ink drops off in a stripping process, so that a drain pipe is blocked when the protective ink is produced on a large scale by a hanger, the production time is greatly consumed, and the labor and material costs are increased.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides the UV-cured glass protective ink and the preparation method thereof, and the protective ink has the advantages of extremely strong wear resistance, excellent adhesive force, short demoulding time and no residue; is small fragments for demoulding, can not be hung on a rack, can not block a sewer pipe, and improves the production efficiency.
The technical problem to be solved by the invention is realized by the following technical scheme:
the UV-curable glass protection ink comprises the following components in parts by weight: 40-60 parts of trifunctional polyurethane acrylic resin, 10-15 parts of monofunctional ultraviolet curing monomer, 10-15 parts of aluminum oxide, 8-12 parts of photoinitiator and 2-3 parts of diamino silane coupling agent.
Further, the monofunctional uv-curable monomer is selected from: any one or two of N, N-dimethylacrylamide and acryloyl morpholine.
Further, the photoinitiator includes one or more of photoinitiator 1173, photoinitiator 184, photoinitiator ITX, photoinitiator 907, photoinitiator TPO, and photoinitiator 369.
Further, the paint also comprises 2-5 parts of an auxiliary agent.
Further, the auxiliary agent comprises an antifoaming agent, a leveling agent and a dispersing agent.
The invention also provides a preparation method of the UV curing glass protection ink, which comprises the following steps:
mixing and dispersing trifunctional polyurethane acrylic resin, monofunctional ultraviolet curing monomer, aluminum oxide, photoinitiator and auxiliary agent to obtain a mixture;
and mixing the obtained mixture with a diamino silane coupling agent, uniformly dispersing, and grinding.
The invention has the following beneficial effects:
according to the invention, the three-functionality polyurethane acrylic resin is used as a main body resin, the single-functionality ultraviolet light curing monomer is used as an active monomer, unsaturated double bond groups are introduced into the system, a specific functionality is selected, a polymerization crosslinking reaction is generated by ultraviolet light irradiation under the action of a photoinitiator, and simultaneously, a bisamino silane coupling agent and aluminum oxide are added for cooperation, so that the synergistic effect is exerted, on one hand, the wear resistance and the adhesive force of the protective ink and the stripping property of the ink are balanced, the adhesive force of the protective ink and glass can be improved, the wear resistance is enhanced, the stripping of alkali liquor is facilitated, the protective ink is crushed and falls off in a short time, a hanging rack can be avoided, a sewer pipe can not be blocked, the production efficiency is improved, on the other hand, the curing speed is improved, and the curing property of the system is improved.
The protective printing ink has moderate hardness, high gloss, weak base resistance and good printing adaptability.
The raw materials used in the formula of the protective ink are easy to purchase, the proportioning process is simple, the surface of the printed glass can resist impact and friction, the glass can be effectively protected, the protective ink can be easily removed in strong alkali liquor, the protective ink cannot be left on the glass, the production efficiency can be improved, the loss of the raw materials is reduced, and the rework rate is reduced.
The protective printing ink does not need to add organic solvent, and does not have VOC emission because the whole formula does not contain organic solvents such as ketones, benzenes, esters, alcohols and the like, and does not need additional equipment to collect volatilized solvent, thereby meeting the requirement of environmental protection.
The preparation method is simple in process and suitable for industrial production.
Detailed Description
In a first aspect, the invention relates to UV-curable glass protection ink, which comprises the following components in parts by weight: 40-60 parts of trifunctional polyurethane acrylic resin, 10-15 parts of monofunctional ultraviolet curing monomer, 10-15 parts of aluminum oxide, 8-12 parts of photoinitiator and 2-3 parts of diamino silane coupling agent.
The amount of the trifunctional urethane acrylic resin may be 40 parts, 42 parts, 45 parts, 48 parts, 50 parts, 52 parts, 55 parts, 58 parts, or 60 parts by weight, but is not limited to the above-mentioned values, and other values within the above-mentioned ranges may be also applicable.
The monofunctional uv-curable monomer may be used in an amount of 10 parts, 11 parts, 12 parts, 13 parts, 14 parts, or 15 parts by weight, but is not limited to the above-mentioned values, and other values within the above-mentioned ranges are also applicable.
The amount of the alumina may be 10 parts, 11 parts, 12 parts, 13 parts, 14 parts, 15 parts, etc., but is not limited to the above-mentioned values, and other values not shown in the above-mentioned ranges are also applicable.
The photoinitiator may be used in an amount of 8 parts, 9 parts, 10 parts, 11 parts, 12 parts, 13 parts, 14 parts, or 15 parts by weight, but is not limited to the above-mentioned values, and other values not shown in the above-mentioned ranges are also applicable.
The resin constitutes the basic skeleton of the cured product and determines the basic properties (hardness, flexibility, adhesion, optical properties, aging resistance, etc.) of the cured product. According to the invention, the trifunctional polyurethane acrylic resin is screened out from a plurality of resins and used as the main resin of the UV curing glass protection ink, so that the adhesive force of the protection ink on the surface of the metal plate is improved, and the stripping time of the protection ink in the alkali washing process is shortened.
The single-functionality ultraviolet curing monomer is a functional monomer, has dual functions of curing crosslinking and solvent in a composition system of ultraviolet curing ink, and has the functions of adjusting the viscosity of the ultraviolet curing ink, diluting trifunctional polyurethane acrylic resin, controlling the curing crosslinking density, improving the physical and mechanical properties of a coating film and participating in curing and film forming. The monofunctional ultraviolet curing monomer is selected from the group consisting of: any one or two of N, N-dimethylacrylamide and acryloyl morpholine. The monofunctional uv-curable monomer of this embodiment includes, but is not limited to, the materials listed above, and may be other materials not listed in this embodiment but known to those skilled in the art.
In the protective ink of the present invention, a photoinitiator is one of the essential components for initiating the polymerization curing reaction by ultraviolet light. The photoinitiator is a substance which can easily absorb ultraviolet light to generate active free radicals or active ionic groups so as to initiate polymerization of unsaturated groups in the ink, and can absorb light energy with certain wavelength to generate active free radicals or cations so as to initiate or catalyze polymerization of corresponding monomers or prepolymers. Conventional photoinitiators as disclosed in the prior art may be used. By way of example, the photoinitiator includes one or more of photoinitiator 1173, photoinitiator 184, photoinitiator ITX, photoinitiator 907, photoinitiator TPO, and photoinitiator 369. The photoinitiator of this embodiment includes, but is not limited to, the materials listed above, and other materials not listed in this embodiment but known to those skilled in the art can be used.
In the present invention, the kind of the bisamino type silane coupling agent is not particularly limited and may be conventionally selected by those skilled in the art, and the bisamino type silane coupling agent is, for example, KH-602, i.e., N- β - (aminoethyl) - γ -aminopropylmethyldimethoxysilane.
In the prior art, barium sulfate, silicon dioxide, bentonite, talcum powder, kaolin and the like are generally used as fillers in the protective ink, and the aluminum oxide is used for replacing the conventionally used fillers in the protective ink, so that the wear resistance of the ink is improved.
According to the invention, the three-functionality polyurethane acrylic resin is used as a main body resin, the single-functionality ultraviolet light curing monomer is used as an active monomer, unsaturated double bond groups are introduced into the system, a specific functionality is selected, a polymerization crosslinking reaction is generated by ultraviolet light irradiation under the action of a photoinitiator, and simultaneously, a bisamino silane coupling agent and aluminum oxide are added for cooperation, so that the synergistic effect is exerted, on one hand, the wear resistance and the adhesive force of the protective ink and the stripping property of the ink are balanced, the adhesive force of the protective ink and glass can be improved, the wear resistance is enhanced, the stripping of alkali liquor is facilitated, the protective ink is crushed and falls off in a short time, a hanging rack can be avoided, a sewer pipe can not be blocked, the production efficiency is improved, on the other hand, the curing speed is improved, and the curing property of the system is improved.
The UV curing glass protection ink also comprises 2-5 parts of an auxiliary agent. The auxiliary agent comprises a defoaming agent, a leveling agent and a dispersing agent.
The defoaming agent is a common additive in the ink, the type of the defoaming agent is not particularly limited in the invention, and the defoaming agent can be selected conventionally by a person skilled in the art, and the defoaming agent comprises one or more of BYK-051 defoaming agent, BYK-052 defoaming agent, BYK-053 defoaming agent, HX-2300 defoaming agent, HX-2310 defoaming agent, HX-2500 defoaming agent, HX-2550 defoaming agent and HX-2560 defoaming agent by way of example.
The leveling agent is a common auxiliary agent in the ink, the type of the leveling agent is not particularly limited in the present invention, and a person skilled in the art can routinely select the leveling agent, and the leveling agent is selected from one or more of polyether modified polydimethylsiloxane, fluorocarbon modified polyacrylate solution, alkylbenzene modified polydimethylsiloxane, alkyl modified polymethylalkyl siloxane, and silicone diacrylate as examples.
The dispersant is a common auxiliary agent in the ink, the type of the dispersant is not particularly limited in the invention, and the dispersant can be selected conventionally by a person skilled in the art, and the dispersant includes one or more of an EFKA-4009 dispersant, an EFKA-4010 dispersant, an EFKA-4011 dispersant, an EFKA-4015 dispersant, an EFKA-4016 dispersant, an EFKA-4017 dispersant, an EFKA-4400 dispersant, an EFKA-4401 dispersant, an EFKA-4403 dispersant, a BYK-161 dispersant, a BYK-162 dispersant, a BYK-163 dispersant, a BYK-164 dispersant, a BYK-168 dispersant, a BYK-170 dispersant, a BYK-171 dispersant and a TEGO-655 dispersant.
In order to achieve better performance of the ink of the invention in the process of implementation, the protective ink of the invention can also contain 0.3 to 0.8 part of pigment. The pigment can be various conventional pigments, so that the ink presents a certain color, for example, one or more of carbon black, titanium dioxide and phthalocyanine pigments (such as phthalocyanine blue and phthalocyanine green) can be selected according to needs.
In a second aspect, the present invention further provides a preparation method of the above UV-curable glass protective ink, comprising the following steps:
mixing and dispersing trifunctional polyurethane acrylic resin, monofunctional ultraviolet curing monomer, aluminum oxide, photoinitiator and auxiliary agent to obtain a mixture; and mixing the obtained mixture with a diamino silane coupling agent, uniformly dispersing, and grinding.
The fineness of the protective ink obtained after grinding is preferably 5 to 10 μm, more preferably 6 to 7 μm.
The present invention will be described in detail with reference to examples, which are only preferred embodiments of the present invention and are not intended to limit the present invention.
Example 1
The UV-curable glass protection ink comprises the following components in parts by weight: 50 parts of trifunctional polyurethane acrylic resin, 12 parts of monofunctional ultraviolet curing monomer, 12 parts of aluminum oxide, 10 parts of photoinitiator, 2.5 parts of diamino silane coupling agent and 3 parts of auxiliary agent.
The monofunctional ultraviolet curing monomer is selected from N, N-dimethylacrylamide; the photoinitiator comprises photoinitiator 1173; the diamino type silane coupling agent is KH-602; the auxiliary agent is a defoaming agent, a flatting agent and a dispersing agent; the defoaming agent is a BYK-051 defoaming agent; the leveling agent is selected from polyether modified polydimethylsiloxane; the dispersing agent is an EFKA-4009 dispersing agent.
The preparation method comprises the following steps:
mixing and dispersing trifunctional polyurethane acrylic resin, monofunctional ultraviolet curing monomer, aluminum oxide, photoinitiator and auxiliary agent to obtain a mixture;
and mixing the obtained mixture with a diamino silane coupling agent, uniformly dispersing, and grinding.
Example 2
The UV-curable glass protection ink comprises the following components in parts by weight: 40 parts of trifunctional polyurethane acrylic resin, 10 parts of monofunctional ultraviolet curing monomer, 10 parts of aluminum oxide, 8 parts of photoinitiator, 2 parts of diamino silane coupling agent and 2 parts of auxiliary agent.
The monofunctional ultraviolet curing monomer is selected from acryloyl morpholine; the photoinitiator is a photoinitiator 184; the diamino type silane coupling agent is KH-602; the auxiliary agent is a defoaming agent, a flatting agent and a dispersing agent; the defoaming agent is a BYK-052 defoaming agent; the flatting agent is selected from fluorocarbon modified polyacrylate solution; the dispersing agent is an EFKA-4010 dispersing agent.
The preparation method comprises the following steps:
mixing and dispersing trifunctional polyurethane acrylic resin, monofunctional ultraviolet curing monomer, aluminum oxide, photoinitiator and auxiliary agent to obtain a mixture;
and mixing the obtained mixture with a diamino silane coupling agent, uniformly dispersing, and grinding.
Example 3
The UV-curable glass protection ink comprises the following components in parts by weight: 60 parts of trifunctional polyurethane acrylic resin, 15 parts of monofunctional ultraviolet curing monomer, 15 parts of aluminum oxide, 12 parts of photoinitiator, 3 parts of diamino silane coupling agent and 5 parts of auxiliary agent.
The monofunctional ultraviolet curing monomer is selected from N, N-dimethylacrylamide and acryloyl morpholine; the photoinitiator is a photoinitiator TPO; the diamino type silane coupling agent is KH-602; the auxiliary agent is a defoaming agent, a flatting agent and a dispersing agent; the defoaming agent is a BYK-053 defoaming agent and an HX-2300 defoaming agent; the leveling agent is selected from alkylbenzene modified polydimethylsiloxane and alkyl modified polymethylalkylsiloxane; the dispersant includes EFKA-4011 dispersant and EFKA-4015 dispersant.
The preparation method comprises the following steps:
mixing and dispersing trifunctional polyurethane acrylic resin, monofunctional ultraviolet curing monomer, aluminum oxide, photoinitiator and auxiliary agent to obtain a mixture;
and mixing the obtained mixture with a diamino silane coupling agent, uniformly dispersing, and grinding.
Example 4
The UV-curable glass protection ink comprises the following components in parts by weight: 40 parts of trifunctional polyurethane acrylic resin, 15 parts of monofunctional ultraviolet curing monomer, 12 parts of aluminum oxide, 8 parts of photoinitiator, 3 parts of diamino silane coupling agent, 3 parts of auxiliary agent and 0.4 part of pigment.
The monofunctional ultraviolet curing monomer is selected from N, N-dimethylacrylamide; the photoinitiator is 369; the diamino type silane coupling agent is KH-602; the auxiliary agent is a defoaming agent, a flatting agent and a dispersing agent; the defoaming agent comprises HX-2500 defoaming agent; the leveling agent is selected from silicone diacrylate; the dispersant includes TEGO-655 dispersant.
The preparation method comprises the following steps:
mixing and dispersing trifunctional polyurethane acrylic resin, monofunctional ultraviolet curing monomer, aluminum oxide, photoinitiator and auxiliary agent to obtain a mixture;
and mixing the obtained mixture with a diamino silane coupling agent, uniformly dispersing, and grinding.
Comparative example 1
Based on example 1, the only difference is: in this comparative example 1, the trifunctional urethane acrylic resin was replaced with an epoxy acrylate.
Comparative example 2
Based on example 1, the only difference is: in this comparative example 2, the trifunctional urethane acrylic resin was replaced with a polyester acrylate.
Comparative example 3
Based on example 1, the only difference is: in this comparative example 3, the trifunctional urethane acrylic resin was replaced with a bifunctional urethane acrylic resin.
Comparative example 4
Based on example 1, the only difference is: in this comparative example 4, the trifunctional urethane acrylic resin was replaced with the tetrafunctional urethane acrylic resin.
Comparative example 5
Based on example 1, the only difference is: in this comparative example 5, the bisamino type silane coupling agent was replaced with a coupling agent containing gamma-glycidoxypropyltrimethoxysilane.
Test examples
The protective inks described in the above examples and comparative examples were characterized by the following test methods, the results of which are given in table 1:
(1) test for Release Performance
And (3) silk-screen printing the ink on the surface of the glass, after the glass is cured by illumination, soaking the glass with the ink protective coating in a 5 wt% sodium hydroxide aqueous solution at room temperature, and observing the time and the state of stripping the ink protective coating from the glass. The shorter the time required for the releasing treatment, the more rapidly the ink after curing and crosslinking swells in an alkali solution and releases the film, the better the releasing property.
(2) Adhesion test
The adhesion of the ink to the glass surface after curing and film forming is tested according to the test method described in GB/T1720-1979 paint film adhesion determination, wherein the measured adhesion is divided into seven grades, namely first grade and seventh grade, the first grade is the optimal adhesion, and the seventh grade is the worst adhesion.
(3) Paint film hardness test
The hardness of the ink after curing and film forming is tested according to the test method described in GB/T6739-2006 "determination of paint film hardness by paint and varnish pencil method", wherein the hardness is measured according to 18 grades of 9B-8B-7B-6B-5B-4B-3B-2B-H-2H-3H-4H-5H-6H-7H-8H-9H, the grade 9B is the softest and the grade 9H is the hardest.
(4) Abrasion resistance test
The method is determined by referring to a GB 1768-1979 coating abrasion resistance test method, and comprises the following specific steps: uniformly rolling and coating the ink on white coated paper with the same size, and drying for later use; fixing the sample plate on a working turntable of a wear-resisting instrument by using an MCJ-01A type friction tester (provided by the Jinan Languan electromechanical technology Co., Ltd.), and setting parameters of 100 times and 40N; after the test is finished, the sample is taken out, floating chips are brushed away by using a brush, weighing is carried out, the difference between the front weight and the rear weight is the paint film weight loss, the smaller the paint film weight loss is, the better the wear resistance is.
The above-mentioned embodiments only express the embodiments of the present invention, and the description is more specific and detailed, but not understood as the limitation of the patent scope of the present invention, but all the technical solutions obtained by using the equivalent substitution or the equivalent transformation should fall within the protection scope of the present invention.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103160169A (en) * | 2011-12-13 | 2013-06-19 | 金甲化工企业(中山)有限公司 | UV glass protection ink |
| CN108473805A (en) * | 2015-10-30 | 2018-08-31 | 多米诺英国有限公司 | Jetted ink |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103160169A (en) * | 2011-12-13 | 2013-06-19 | 金甲化工企业(中山)有限公司 | UV glass protection ink |
| CN108473805A (en) * | 2015-10-30 | 2018-08-31 | 多米诺英国有限公司 | Jetted ink |
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