CN106833113B - Ink suitable for glass hot bending forming and application of ink in mobile phone - Google Patents
Ink suitable for glass hot bending forming and application of ink in mobile phone Download PDFInfo
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- CN106833113B CN106833113B CN201710043952.5A CN201710043952A CN106833113B CN 106833113 B CN106833113 B CN 106833113B CN 201710043952 A CN201710043952 A CN 201710043952A CN 106833113 B CN106833113 B CN 106833113B
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- 239000011521 glass Substances 0.000 title claims abstract description 71
- 238000013003 hot bending Methods 0.000 title claims abstract description 28
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 229910001868 water Inorganic materials 0.000 claims abstract description 46
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229920005989 resin Polymers 0.000 claims abstract description 26
- 239000011347 resin Substances 0.000 claims abstract description 26
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 26
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims abstract description 24
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 23
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 23
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 18
- 239000010703 silicon Substances 0.000 claims abstract description 18
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 18
- 239000006184 cosolvent Substances 0.000 claims abstract description 16
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910001928 zirconium oxide Inorganic materials 0.000 claims abstract description 16
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 10
- 229920002050 silicone resin Polymers 0.000 claims abstract description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 23
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 18
- 239000003795 chemical substances by application Substances 0.000 claims description 16
- 238000000465 moulding Methods 0.000 claims description 14
- 229920001296 polysiloxane Polymers 0.000 claims description 13
- SWXVUIWOUIDPGS-UHFFFAOYSA-N diacetone alcohol Chemical compound CC(=O)CC(C)(C)O SWXVUIWOUIDPGS-UHFFFAOYSA-N 0.000 claims description 12
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical group OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 9
- 239000002518 antifoaming agent Substances 0.000 claims description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 7
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000001023 inorganic pigment Substances 0.000 claims description 6
- 239000004925 Acrylic resin Substances 0.000 claims description 5
- 229920000178 Acrylic resin Polymers 0.000 claims description 5
- 229920000180 alkyd Polymers 0.000 claims description 4
- 229920001225 polyester resin Polymers 0.000 claims description 4
- 239000004645 polyester resin Substances 0.000 claims description 4
- 239000010941 cobalt Substances 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- 229910052720 vanadium Inorganic materials 0.000 claims description 3
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 18
- 238000007639 printing Methods 0.000 abstract description 18
- 230000008569 process Effects 0.000 abstract description 16
- 238000005452 bending Methods 0.000 abstract description 7
- 239000000126 substance Substances 0.000 abstract description 6
- 229920000642 polymer Polymers 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000005034 decoration Methods 0.000 abstract description 2
- 239000000976 ink Substances 0.000 description 90
- 239000000463 material Substances 0.000 description 15
- 238000012360 testing method Methods 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 8
- 238000002156 mixing Methods 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 239000005543 nano-size silicon particle Substances 0.000 description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 description 5
- 238000001354 calcination Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000005357 flat glass Substances 0.000 description 4
- HJOVHMDZYOCNQW-UHFFFAOYSA-N isophorone Chemical compound CC1=CC(=O)CC(C)(C)C1 HJOVHMDZYOCNQW-UHFFFAOYSA-N 0.000 description 4
- 229920002799 BoPET Polymers 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000010329 laser etching Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 235000010215 titanium dioxide Nutrition 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 229910021485 fumed silica Inorganic materials 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- -1 preferably Substances 0.000 description 2
- LXBGSDVWAMZHDD-UHFFFAOYSA-N 2-methyl-1h-imidazole Chemical compound CC1=NC=CN1 LXBGSDVWAMZHDD-UHFFFAOYSA-N 0.000 description 1
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 1
- 239000004841 bisphenol A epoxy resin Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004843 novolac epoxy resin Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 239000002699 waste material Substances 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
- C09D11/10—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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Surface Treatment Of Glass (AREA)
Abstract
The invention discloses ink suitable for glass hot bending forming, which comprises, by weight, 3-10 parts of polyvinyl alcohol with the molecular weight of 25000-250000, 3-10 parts of polyvinyl butyral with the molecular weight of 30000-45000, 8-17 parts of water-based organic silicon resin, 10-25 parts of water, 10-25 parts of silicon dioxide, 15-30 parts of zirconium oxide, 1-4.5 parts of cosolvent and 0.01-0.5 part of auxiliary agent. The printing ink has good printing adaptability and water solubility because high polymers with low molecular weight are mostly used. Silica, zirconia and water-based silicone resin as film forming substances form a ceramic-like substance, so that the ink can resist high temperature. Therefore, the ink can be printed on the glass in advance and sintered and formed together with the glass in the glass bending process, so that the complexity of the decoration ink process is reduced, and the energy consumption of the whole process is reduced.
Description
Technical Field
The invention relates to the field of ink, in particular to ink suitable for glass hot bending forming. In addition, the invention also relates to application of the ink suitable for glass hot bending forming in a mobile phone.
Background
With the development of smart phones and the approach of the 5G era, the 3D glass suitable for the front and rear covers of the mobile phone will become mainstream in the industry. In order to solve the coating problem of the 3D glass frame decoration ink, two processes which are suitable for manufacturers at present are as follows: 1. the common PET printing ink is printed on a softer PET material with UV glue, after the PET printing ink is cured, the PET is transferred to 3D glass through a special tool, and then the PET is cured through UV. 2. The required pattern is carved by spraying full plate ink and then adopting a laser carving process. The process 1 can only be used for making two parallel concave edges, can not meet the requirement of glass with four concave edges, and the PET film can only be used once, so that the cost is high, the efficiency is low, and the waste is serious. The process 2 has low efficiency for large area and high requirement on equipment, and laser etching generates a lot of toxic gas to influence the health of staff, and the laser etching is easy to damage glass to cause scrapping.
Disclosure of Invention
The invention provides application of ink suitable for glass hot bending forming in a mobile phone, and aims to solve the technical problem that an existing 3D glass frame device is complex in process.
The technical scheme adopted by the invention is as follows:
the invention discloses an ink suitable for glass hot bending forming, which comprises, by weight, 3-10 parts of polyvinyl alcohol with the molecular weight of 25000-250000, 3-10 parts of polyvinyl butyral with the molecular weight of 30000-45000, 8-17 parts of water-based organic silicon resin, 10-25 parts of water, 10-25 parts of silicon dioxide, 15-30 parts of zirconium oxide, 1-4.5 parts of cosolvent and 0.01-0.5 part of auxiliary agent.
The ink further comprises 5-10 parts of polyvinyl alcohol with the molecular weight of 30000-150000, 5-10 parts of polyvinyl butyral with the molecular weight of 30000-40000, 10-17 parts of water-based organic silicon resin, 15-25 parts of water, 19-25 parts of silicon dioxide, 20-30 parts of zirconium oxide, 2.5-4.5 parts of cosolvent and 0.2-0.5 part of auxiliary agent.
Further, the ink comprises 10 parts of polyvinyl alcohol with the molecular weight of 30000-150000, 5-10 parts of polyvinyl butyral with the molecular weight of 30000-40000, 10-17 parts of water-based organic silicon resin, 15-18 parts of water, 19-22 parts of silicon dioxide, 24-28 parts of zirconium oxide, 4-4.5 parts of cosolvent and 0.4-0.5 part of auxiliary agent.
Further, the silica is nano silica, and the zirconia is nano zirconia.
Further, the water-based silicone resin comprises water-based silicone epoxy resin, water-based silicone polyester resin, water-based silicone alkyd resin or water-based silicone acrylic resin.
Further, the cosolvent is methanol, ethanol, propanol, ethylene glycol, glycerol or diacetone alcohol, preferably, the cosolvent is ethanol, glycerol or diacetone alcohol.
Further, the auxiliary agent comprises a leveling agent and an antifoaming agent.
Further, the ink also comprises inorganic pigment, and the inorganic pigment comprises one or more of iron oxide red, iron oxide black, titanium dioxide, cobalt blue and vanadium yellow.
The invention also discloses application of the ink suitable for glass hot bending forming in a mobile phone.
The invention has the following beneficial effects: the ink suitable for glass hot bending molding is characterized in that a high polymer with a lower molecular weight is mostly used in the ink, so that the ink has good printability and good water solubility, and a proper printing effect is obtained. And the water-based organic silicon resin can also provide a proper medium for silica and zirconia, so that the silica and the zirconia can be well sintered on glass. Silica, zirconia and water-based silicone resin are used as final film forming substances, so that the ink can resist high temperature. Therefore, the ink can be printed on the plane glass in advance, and the heat energy in the glass bending process is utilized to sinter and form the plane glass together with the glass. The adhesive force of the ink on the glass is 5B, and the hardness of the ink is equivalent to that of the glass, so that the ink does not need to be printed and cured for molding subsequently. The 3D glass frame decorated by the ink can reduce the complexity of the process of decorating the ink and reduce the energy consumption of the whole process.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention is described in further detail below.
Detailed Description
The embodiments of the invention are described in detail below, but the invention can be implemented in many different ways, which are defined and covered by the claims.
The preferred embodiment of the invention provides an ink suitable for glass hot bending forming, which comprises 3-10 parts by weight of polyvinyl alcohol with the molecular weight of 25000-250000, 3-10 parts by weight of polyvinyl butyral with the molecular weight of 30000-45000, 8-17 parts by weight of water-based organic silicon resin, 10-25 parts by weight of water, 10-25 parts by weight of silicon dioxide, 15-30 parts by weight of zirconium oxide, 1-4.5 parts by weight of cosolvent and 0.01-0.5 part by weight of assistant.
The polyvinyl alcohol is PVA resin, and the polyvinyl butyral is PVB resin. During the high-temperature forming process, polyvinyl alcohol and polyvinyl butyral are decomposed and volatilized. When the molecular weight of the polyvinyl alcohol and the polyvinyl butyral is too large, the decomposition temperature of the polyvinyl alcohol and the polyvinyl butyral is high during high-temperature molding, so that incomplete volatilization is caused, and part of the polyvinyl alcohol and the polyvinyl butyral remains in the ink, so that abnormal color spots appear on the ink, and the appearance of the ink after molding is influenced. When the molecular weight of the polyvinyl alcohol and the polyvinyl butyral is too small, the polyvinyl alcohol and the polyvinyl butyral are not good in wrapping of powder materials in the ink, the prepared ink is poor in oiliness, flowability and printability, is difficult to level after being printed, is easy to generate surface defects such as pinholes and orange peels, is easy to generate light transmission points after being sintered at high temperature, influences the OD value of the ink, and even is scrapped. Therefore, polyvinyl alcohol having a molecular weight of 25000 to 250000 and polyvinyl butyral having a molecular weight of 30000 to 45000 are selected as the ink.
The main resin of the ink is water-based organic silicon resin, so that the ink not only provides proper printability, but also provides proper media for nano silicon dioxide and nano zirconium oxide in the high-temperature bending process of glass, and the silicon dioxide and the zirconium oxide are well sintered on the glass. When the aqueous organic silicon resin is formed at high temperature, a film is formed, and the film is similar to a ceramic structure. Silica and zirconia provide suitable color and glaze effects during sintering. The nano silicon dioxide, the nano zirconia and the water-based organic silicon resin are taken as film forming substances, so that the ink can resist the high temperature of over 1000 ℃.
The ink provided by the invention comprises 3-10 parts by weight of polyvinyl alcohol with molecular weight of 25000-250000, 3-8 parts by weight of polyvinyl butyral with molecular weight of 30000-45000 and 8-15 parts by weight of water-based organic silicon resin, and provides good printability by taking the water-based organic silicon resin as a film forming substance during surface drying. The proportion can find that the printing ink of the invention mostly uses high polymers with lower molecular weight, and the materials have the common characteristics of good printability, good water solubility, easy decomposition and volatilization at high temperature and obtaining proper printing effect. If the content of the polyvinyl alcohol or polyvinyl butyral in the aqueous silicone resin is too high, the resin is not decomposed and volatilized completely in the glass press-bending molding time, and the resin remains in the finally molded ink, thereby causing abnormal color unevenness. If the content of the vinyl alcohol and the polyvinyl butyral is too low, the powder is not sufficiently wrapped in the production process of the ink, the prepared ink is poor in oiliness, poor in flowability and poor in printability, is difficult to level after being printed, is easy to generate surface defects such as pinholes and orange peels, is easy to generate light transmission points after being sintered at high temperature, influences the OD value of the ink and even is scrapped. The content of silicon dioxide and zirconium oxide is too small, the fullness of the ink after sintering and molding is not enough, the printing ink is easy to transmit light, and the OD value is not enough. The content of silicon dioxide and zirconium oxide is too high, the prepared ink has poor oiliness, flowability and printability, is difficult to level after printing, is easy to generate surface defects such as pinholes and orange peel, is easy to generate light transmission points after high-temperature sintering, influences the OD value of the ink and even is scrapped. The temperature of glass hot bending molding reaches 700-900 ℃, and common ink cannot be printed on glass due to low high temperature resistance and is calcined and molded together with the glass. The ink has high temperature resistance, the adhesive force of the ink on glass is 5B, and the hardness of the ink is equivalent to that of the glass, so that the ink can be printed on plane glass in advance, and the heat energy in glass bending is utilized to be sintered and molded together with the glass in the process of bending the glass into a 3D shape.
The invention has the following beneficial effects: the ink suitable for glass hot bending molding is characterized in that a high polymer with a lower molecular weight is mostly used in the ink, so that the ink has good printability and good water solubility, and a proper printing effect is obtained. And the water-based organic silicon resin can also provide a proper medium for silica and zirconia, so that the silica and the zirconia can be well sintered on glass. Silica, zirconia and water-based silicone resin are used as final film forming substances, so that the ink can resist high temperature. Therefore, the ink can be printed on the plane glass in advance, and the heat energy in the glass bending process is utilized to sinter and form the plane glass together with the glass. The adhesive force of the ink on the glass is 5B, and the hardness of the ink is equivalent to that of the glass, so that the ink does not need to be printed and cured for molding subsequently. The 3D glass frame decorated by the ink can reduce the complexity of the process of decorating the ink and reduce the energy consumption of the whole process.
Optionally, the ink comprises 5-10 parts of polyvinyl alcohol with the molecular weight of 30000-150000, 5-10 parts of polyvinyl butyral with the molecular weight of 30000-40000, 10-17 parts of water-based organic silicon resin, 15-25 parts of water, 19-25 parts of silicon dioxide, 20-30 parts of zirconium oxide, 2.5-4.5 parts of cosolvent and 0.2-0.5 part of auxiliary agent.
Optionally, the ink comprises 10 parts of polyvinyl alcohol with the molecular weight of 30000-150000, 5-10 parts of polyvinyl butyral with the molecular weight of 30000-40000, 10-17 parts of water-based organic silicon resin, 15-15.6 parts of water, 19-22 parts of silicon dioxide, 24-28 parts of zirconium oxide, 4-4.5 parts of cosolvent and 0.4-0.5 part of auxiliary agent.
Alternatively, the silica is nanosilica and the zirconia is nanosilica. The ink is more exquisite and has better hue by selecting the nano silicon dioxide and the nano zirconia.
Alternatively, the aqueous silicone resin comprises an aqueous silicone epoxy resin, an aqueous silicone polyester resin, an aqueous silicone alkyd resin, or an aqueous silicone acrylic resin.
Optionally, the cosolvent is methanol, ethanol, propanol, ethylene glycol, glycerol or diacetone alcohol, preferably, the cosolvent is ethanol, glycerol or diacetone alcohol.
Optionally, the auxiliary agent includes a leveling agent and an antifoaming agent. The proportion of the leveling agent and the defoaming agent can be generally 1: 1-2.
Optionally, the ink further comprises an inorganic pigment, and the inorganic pigment comprises one or more of iron oxide red, iron oxide black, titanium dioxide, cobalt blue and vanadium yellow. The addition of pigments can give inks different colors. The amount of the pigment to be added may be appropriately selected depending on the desired color shade.
The invention also discloses application of the ink suitable for glass hot bending forming in a mobile phone.
Example 1
The parts by weight of the components of the ink of example 1 are shown in Table 1.
TABLE 1
| Printing ink | Parts by weight |
| Pure water | 25 |
| Ethanol | 2.7 |
| PVA resin | 10 |
| PVB resin | 5 |
| Aqueous silicone alkyd resins | 14 |
| Aqueous leveling agent | 0.2 |
| Aqueous defoaming agent | 0.1 |
| Nano silicon dioxide | 13 |
| Nano zirconium oxide | 30 |
The rotating speed is 500-1000 rpm, the materials in the table 1 are sequentially added while stirring, and after uniform mixing, the materials are dispersed for 15-30 minutes at the rotating speed of 2000-3000 rpm.
And uniformly printing the ink on the treated plate glass by using a 200-400-mesh screen and a 65-80-degree frictioning, baking for 10-15 minutes at 80 ℃, and calcining and molding together with the glass in a glass hot bending furnace at 700-900 ℃.
Example 2
The parts by weight of the components of the ink of example 2 are shown in Table 2.
TABLE 2
The rotating speed is 500-1000 rpm, the materials in the table 2 are sequentially added while stirring, and after uniform mixing, the materials are dispersed for 15-30 minutes at the rotating speed of 2000-3000 rpm.
And uniformly printing the ink on the treated plate glass by using a 200-400-mesh screen and a 65-80-degree frictioning, baking for 10-15 minutes at 80 ℃, and calcining and molding together with the glass in a glass hot bending furnace at 700-900 ℃.
Example 3
The parts by weight of the components of the ink in example 3 are listed in table 3.
TABLE 3
| Printing ink | Parts by weight |
| Pure water | 20.6 |
| Ethanol | 4 |
| PVA resin | 10 |
| PVB resin | 5 |
| Water-based organic silicon acrylic resin | 17 |
| Aqueous leveling agent | 0.2 |
| Aqueous defoaming agent | 0.2 |
| Nano silicon dioxide | 15 |
| Nano zirconium oxide | 28 |
The rotating speed is 500-1000 rpm, the materials in the table 3 are sequentially added while stirring, and after uniform mixing, the materials are dispersed for 15-30 minutes at the rotating speed of 2000-3000 rpm.
And uniformly printing the ink on the treated plate glass by using a 200-400-mesh screen and a 65-80-degree frictioning, baking for 10-15 minutes at 80 ℃, and calcining and molding together with the glass in a glass hot bending furnace at 700-900 ℃.
Example 4
The parts by weight of the components of the ink in example 4 are shown in Table 4.
TABLE 4
The rotating speed is 500-1000 rpm, the materials in the table 4 are sequentially added while stirring, and after uniform mixing, the materials are dispersed for 15-30 minutes at the rotating speed of 2000-3000 rpm.
And uniformly printing the ink on the treated plate glass by using a 200-400-mesh screen and a 65-80-degree frictioning, baking for 10-15 minutes at 80 ℃, and calcining and molding together with the glass in a glass hot bending furnace at 700-900 ℃.
Comparative example 1
The parts by weight of the respective components of the inks in the comparative examples are shown in tables 5 and 6.
TABLE 5
| Ink main agent component | Parts by weight |
| Bisphenol A epoxy resin | 20 |
| Novolac epoxy resin | 15 |
| Isofluorone | 15 |
| Dispersing agent | 1.5 |
| Leveling agent | 0.3 |
| Defoaming agent | 0.2 |
| Fumed silica | 3 |
| Titanium white powder | 35 |
The rotating speed is 800-1500 rpm, the materials in the table 5 are sequentially added while stirring, and after uniform mixing, the materials are dispersed for 25-35 minutes at the rotating speed of 2500-3500 rpm. And then grinding the mixture on a three-roller machine until the fineness is less than 5 microns.
TABLE 6
| Curing agent | Parts by weight |
| 2-methylimidazole | 8 |
| Isofluorone | 2 |
The dispersion and dissolution are complete.
The main agent and the curing agent are evenly mixed according to the proportion of 9/1, and 3 percent of isophorone is added to adjust the viscosity. 3D glass pretreatment which is subjected to hot bending: spraying ink, curing at 180 ℃ for 30-40 minutes, cooling, repeatedly spraying ink once, curing, cooling, and performing laser etching.
Comparative example 2
The parts by weight of the respective components of the inks in the comparative examples are shown in tables 7 and 8.
TABLE 7
| Ink main agent component | Parts by weight |
| Hydroxy acrylic resin | 30 |
| Polyester resin | 25 |
| Isofluorone | 17 |
| Dispersing agent | 1.5 |
| Leveling agent | 0.3 |
| Defoaming agent | 0.2 |
| Fumed silica | 1 |
| Carbon black | 15 |
The rotating speed is 800-1500 rpm, the materials in the table 5 are sequentially added while stirring, and after uniform mixing, the materials are dispersed for 25-35 minutes at the rotating speed of 2500-3500 rpm. And then grinding the mixture on a three-roller machine until the fineness is less than 5 microns.
TABLE 8
| Curing agent | Parts by weight |
| Toluene diisocyanate | 10 |
The main agent and the curing agent are evenly mixed according to the proportion of 9/1, and 3 percent of isophorone is added to adjust the viscosity. Pre-treating the bent 3D glass with two concave sides: printing the printing ink on a specially-made PET film, curing for 30-40 minutes at 120 ℃, cooling, and then hot-pressing the PET film on glass through a specially-made roller for curing.
The results of the performance tests of the inks prepared in examples 1 to 4 and comparative examples 1 to 2 are shown in Table 9.
The comparative examples are the basic formulation and ink usage of the conventional 3D glass ink on the market, and the results obtained by testing according to the national standard are shown in table 9.
TABLE 9 test results of ink Performance for examples 1-4 and comparative examples 1-2
As can be seen from Table 9, the inks prepared in examples 3 and 4 are the most excellent in all properties, and the inks prepared in the present invention are superior to those obtained in the comparative examples in all properties.
Pencil hardness test standard reference GB/T6739-2006
Adhesion test standard refers to GB/T6739-2006
Standard reference for boiling test GB/T1733 (second method)
QUV test Standard reference GB/T23987-2009
Reference GB/T1766 for cosmetic-resistant test standard
High-temperature high-humidity test standard reference GB/1740
Reference for acid resistance test standard GB1785-79
Standard reference for solvent resistance test GB/T1733 (first method)
Alkali-resistant test standard reference GB1763-79
Salt spray resistance test standard reference GB1771-79
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The ink suitable for glass hot bending forming is characterized by comprising, by weight, 3-10 parts of polyvinyl alcohol with the molecular weight of 25000-250000, 3-10 parts of polyvinyl butyral with the molecular weight of 30000-45000, 8-17 parts of water-based organic silicon resin, 10-25 parts of water, 10-25 parts of silicon dioxide, 15-30 parts of zirconium oxide, 1-4.5 parts of cosolvent and 0.01-0.5 part of auxiliary agent.
2. The ink for glass hot bending forming according to claim 1, wherein the ink comprises 5 to 10 parts of polyvinyl alcohol with molecular weight of 30000 to 150000, 5 to 10 parts of polyvinyl butyral with molecular weight of 30000 to 40000, 10 to 17 parts of water-based organic silicon resin, 15 to 25 parts of water, 19 to 25 parts of silicon dioxide, 20 to 30 parts of zirconium oxide, 2.5 to 4.5 parts of cosolvent and 0.2 to 0.5 part of assistant.
3. The ink for glass hot bending forming according to claim 2, wherein the ink comprises 10 parts of polyvinyl alcohol with the molecular weight of 30000-150000, 5-10 parts of polyvinyl butyral with the molecular weight of 30000-40000, 10-17 parts of water-based organic silicon resin, 15-18 parts of water, 19-22 parts of silicon dioxide, 24-28 parts of zirconium oxide, 4-4.5 parts of cosolvent and 0.4-0.5 part of assistant.
4. The ink for glass hot-bending according to claim 1, wherein the silica is nano silica and the zirconia is nano zirconia.
5. The ink for glass hot bending forming according to any one of claims 1 to 3, wherein the water-based silicone resin comprises a water-based silicone epoxy resin, a water-based silicone polyester resin, a water-based silicone alkyd resin or a water-based silicone acrylic resin.
6. The ink for glass hot-bending forming according to any one of claims 1 to 3, wherein the cosolvent is methanol, ethanol, propanol, ethylene glycol, glycerol or diacetone alcohol.
7. The ink for glass hot-bending molding according to claim 6, wherein the cosolvent is ethanol, glycerol or diacetone alcohol.
8. The ink for glass hot bending forming according to any one of claims 1 to 3, wherein the auxiliary agent comprises a leveling agent and an antifoaming agent.
9. The ink for glass hot-bending forming according to any one of claims 1 to 3, wherein the ink further comprises an inorganic pigment, and the inorganic pigment comprises one or more of iron oxide red, iron oxide black, titanium dioxide, cobalt blue and vanadium yellow.
10. Use of the ink for glass hot bending according to any one of claims 1 to 9 in a mobile phone.
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| CN109181415A (en) * | 2018-07-20 | 2019-01-11 | 中材江西电瓷电气有限公司 | A kind of porcelain insulator high temperature resistant two dimensional code material and its preparation method and application |
| CN110157236A (en) * | 2019-05-20 | 2019-08-23 | 深圳市博耀新材料有限公司 | A kind of tasteless environmentally friendly glass ink and preparation method thereof applied to 3D, 4D heat-bending glass |
| CN110218483A (en) * | 2019-07-03 | 2019-09-10 | 东莞市格孚节能科技有限公司 | A kind of aqueous, environmental protective insulation deep draw ink and preparation method thereof |
| CN110305529A (en) * | 2019-07-29 | 2019-10-08 | 佛山市高明绿色德化工有限公司 | A kind of high temperature resistant ink for devitrified glass and preparation method thereof, application method |
| CN112409844A (en) * | 2020-07-14 | 2021-02-26 | 湖南松井新材料股份有限公司 | Water-based ink for realizing 3D glass matte effect and preparation method and application thereof |
| CN112479599A (en) * | 2020-12-22 | 2021-03-12 | 湖州安盛医疗器械有限公司 | Preparation method of frosted glass without fluorine |
| CN113637402A (en) * | 2021-09-17 | 2021-11-12 | 深圳市金达盛化工有限公司 | Preparation method of protective coating in glass hot bending process |
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| CN103436094B (en) * | 2013-08-27 | 2015-10-28 | 华南理工大学 | High temperature resistant touch screen ink of a kind of thermoset and preparation method thereof |
| CN103965683B (en) * | 2014-05-22 | 2016-06-29 | 厦门市豪尔新材料股份有限公司 | Integration touch-control touch screen protective acid-proof ink and preparation method thereof |
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