CN116135932A - Glass printing ink and preparation method thereof - Google Patents
Glass printing ink and preparation method thereof Download PDFInfo
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- CN116135932A CN116135932A CN202111363005.7A CN202111363005A CN116135932A CN 116135932 A CN116135932 A CN 116135932A CN 202111363005 A CN202111363005 A CN 202111363005A CN 116135932 A CN116135932 A CN 116135932A
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- glass
- ink
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- glass ink
- epoxy resin
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Classifications
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- 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
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- 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
- C09D11/037—Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
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- 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
The invention discloses glass printing ink and a preparation method thereof. A glass ink comprising the following components: epoxy resin, dispersant, carbon black, filler, thickener, thixotropic agent and defoamer. The glass ink provided by the invention is a light ink, and has the advantages of high hiding power, good printability, high adhesive force, convenience in use and the like when reaching a required dyne value; after the glass coating is formed by printing, the dyne value is more than or equal to 36mN/m, the glossiness is more than or equal to 90 degrees, the adhesive force is more than or equal to 5B, and the film thickness is 5 mu m; in the screen printing process, compared with the traditional cover plate printing mode for two times, the glass ink can meet the requirements of a covering effect and a dyne value at one time, and the production cost and time are greatly saved; the glass ink is an epoxy system ink, and is low in cost and extremely high in cost performance.
Description
Technical Field
The invention relates to the field of fine chemical industry, in particular to glass printing ink and a preparation method thereof.
Background
Along with the improvement of the living standard of people, the aesthetic concept of people is increasingly enhanced, the status of glass in home decoration and 3C industry is increasingly outstanding, glass ink is a main raw material for enhancing the appearance decoration of glass products, and glue is required to be attached after the last layer of ink is printed, so that the cover ink is required to have a higher dyne value to be attached more easily. The existing glass ink is poor in adhesive force after the steps of coating, cleaning and the like, is easy to fall off, and has the defects of low surface dyne value and the like, so that the glass panel and the glue cannot be tightly attached, and the defects of easy color change and the like are caused; in addition, the traditional high-gene-value ink is matte, and has the problems of low OD value, poor hiding power, incapability of directly printing glass or thicker printed film thickness and the like.
Disclosure of Invention
In order to solve the problems of low dyne value and poor hiding power in the prior art, one of the purposes of the invention is to provide a glass ink, and the other purpose of the invention is to provide a preparation method of the ink.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a glass ink comprising the following components: epoxy resin, dispersant, carbon black, filler, thickener, thixotropic agent and defoamer.
Preferably, the glass ink comprises the following components in parts by mass: 26-62 parts of epoxy resin, 0.8-3 parts of dispersing agent, 15-30 parts of carbon black, 5-15 parts of filler, 0.1-1 part of thickener, 0.1-1 part of thixotropic agent and 1-3 parts of defoamer.
Preferably, the glass ink further comprises 24-54 parts of ethylene glycol monobutyl ether.
Further preferably, the glass ink comprises the following components in parts by mass: 26-62 parts of epoxy resin, 0.8-2 parts of dispersing agent, 15-30 parts of carbon black, 5-10 parts of filler, 0.1-0.8 part of thickener, 0.1-0.6 part of thixotropic agent, 1-2 parts of defoamer and 24-54 parts of ethylene glycol monobutyl ether.
Preferably, in the glass ink, the epoxy resin comprises an epoxy resin with an epoxy equivalent of 750-850g/Eq and/or an epoxy equivalent of 150-250 g/Eq; further preferably, the epoxy resin comprises an epoxy resin having an epoxy equivalent of 750 to 850g/Eq and an epoxy equivalent of 150 to 250 g/Eq; still more preferably, the epoxy resin is an epoxy resin having an epoxy equivalent of 750 to 850g/Eq and an epoxy equivalent of 170 to 200 g/Eq; still more preferably, the epoxy resin is composed of 24 to 54 parts of an epoxy resin having an epoxy equivalent of 750 to 850g/Eq and 2 to 8 parts of an epoxy resin having an epoxy equivalent of 170 to 200 g/Eq.
Further preferably, the glass ink comprises the following components in parts by mass: 24-54 parts of epoxy resin with the epoxy equivalent of 750-850g/Eq, 2-8 parts of epoxy resin with the epoxy equivalent of 170-200g/Eq, 0.8-2 parts of dispersing agent, 15-30 parts of carbon black, 5-10 parts of filler, 0.1-0.8 part of thickener, 0.1-0.6 part of thixotropic agent, 1-2 parts of defoamer and 24-54 parts of ethylene glycol monobutyl ether; the lower the epoxy equivalent, the lower the molecular weight of the resin, the higher the crosslinking density in the later film forming, the easy embrittlement, the higher the molecular weight, the higher the same solid content viscosity, the unsuitable production of high solid content ink, the moderate epoxy equivalent of the epoxy resin with the epoxy equivalent of 750-850g/Eq, the excellent chemical resistance, especially alkali resistance, the excellent mechanical property, the good adhesive force, the heat resistance and the electrical insulation of the obtained paint film; the ethylene glycol monobutyl ether has strong dissolving power and low volatilization rate, and is an ideal solvent for screen printing ink; the epoxy resin with the epoxy equivalent of 170-200g/Eq can improve the thermal stability of a cured product, has excellent mechanical strength, good electrical insulation, corrosion resistance and ageing resistance, and can increase the adhesive force of the ink; in some preferred embodiments of the present invention, epoxy resin 904 is selected as the epoxy resin having an epoxy equivalent of 750-850g/Eq, and epoxy resin 128 is selected as the epoxy resin having an epoxy equivalent of 170-200 g/Eq.
Preferably, in the glass ink, the dispersing agent is at least one of anionic wetting dispersing agent, cationic wetting dispersing agent, nonionic wetting dispersing agent, amphoteric wetting dispersing agent, electric neutral wetting dispersing agent, polymer hyperdispersing agent and controlled free radical hyperdispersing agent; further preferably, the dispersant is at least one of a polymer-type hyperdispersant and a controlled radical-type hyperdispersant; still more preferably, the dispersant is 20000 hyperdispersant; in some preferred embodiments of the present invention, the dispersant is 20000 hyperdispersant manufactured by lubo company.
Preferably, in the glass ink, the particle size of the carbon black is 15-60nm; further preferably, the carbon black has a particle size of 20 to 55nm; still more preferably, the carbon black has a particle size of 20 to 50nm; in some preferred embodiments of the present invention, the carbon black may be selected from the carbon blacks of type 4A or SB250 from Desoxhlet, inc., and the carbon black of type ML or ME from Kabot, inc., the selection of the carbon black of the present invention is not limited to the foregoing manufacturers and product types.
Preferably, in the glass ink, the filler is at least one of talcum powder, barium sulfate and calcium carbonate; the filler can reduce the sand hole of the ink, stabilize the hue of the ink, improve the mechanical properties of the ink, improve the durability of a paint film, reduce the cost, and the like.
Preferably, in such glass inks, the thickener may be a fumed silica thickener; the thickener is used for adjusting the viscosity of the product and improving the stability of the product.
Preferably, in the glass ink, the thixotropic agent is organic bentonite, so that the printability of the glass ink is improved; in some preferred embodiments of the present invention, the thixotropic agent type may be selected from BYK-MP100.
Preferably, in the glass ink, the defoamer is a non-silicon defoamer; in some preferred embodiments of the present invention, the defoamer model may be selected from BYK-051; the defoaming agent is mainly used for inhibiting and eliminating foam generated in the production and construction processes of the printing ink, and has poor defoaming effect when the consumption is too small, and the problems of shrinkage cavity, poor recoatability and the like can be caused when the consumption is too large; the defoamer is mainly divided into an organosilicon defoamer and a non-silicon defoamer, and the organosilicon defoamer has good defoaming effect, but can seriously influence the ink dyne value.
Preferably, the viscosity of the glass ink is 20000-40000 mPa.s; further preferably, isophorone or ethylene glycol monobutyl ether can be used to adjust the viscosity of the glass ink.
The preparation method of the glass ink comprises the following steps: and mixing the components of the glass ink to obtain the glass ink.
Preferably, the preparation method of the glass ink comprises the following steps:
1) Mixing and stirring epoxy resin with the epoxy equivalent of 750-850g/Eq, dispersant, carbon black, filler, thickener and thixotropic agent;
2) Grinding to particle size below 7 μm;
3) Adding the defoamer and epoxy resin with the epoxy equivalent of 150-250g/Eq, and stirring to obtain the glass ink.
Further preferably, in the preparation method of the glass ink, in the step 1), a stirring and dispersing machine is used for stirring.
Further preferably, in the method for producing a glass ink, the glass ink is ground to a particle size of 6 μm or less in step 2); still more preferably, in step 2), the particles are milled to a particle size of 5 μm or less.
Further preferably, the preparation method of the glass ink further comprises the step of adjusting viscosity after the components of the glass ink are mixed; further preferably, the viscosity of the glass ink is adjusted with isophorone or ethylene glycol monobutyl ether.
The invention also provides a glass coating which is made of the glass ink.
Preferably, the thickness of the glass coating is 4-6 μm; further preferably, the film thickness is 5. Mu.m.
The invention also provides a preparation method of the glass coating, which comprises the following steps: and adding the glass ink into a curing agent, performing viscosity adjustment, printing and baking to obtain the glass coating.
Preferably, in the preparation method of the glass coating, the curing agent is an amine epoxy curing agent.
Preferably, in the preparation method of the glass coating, the mass ratio of the curing agent to the glass ink is 1: (5-15); further preferably, the mass ratio of the curing agent to the glass ink is 1: (8-12); still further preferably, the mass ratio of the curing agent to the glass ink is 1: (9-11); still more preferably, the mass ratio of the curing agent to the glass ink is 1:10.
preferably, in the preparation method of the glass coating, the glass ink adopts isophorone or ethylene glycol monobutyl ether for viscosity adjustment.
Preferably, in the preparation method of the glass coating, the viscosity of the glass ink after the printing viscosity is adjusted is 6000-14000Pa.s; further preferably, the viscosity of the glass ink after the printing viscosity adjustment is 7000 to 13000Pa.s; still more preferably, the glass ink has a viscosity of 8000 to 12000Pa.s after adjustment of the printing viscosity.
Preferably, in the preparation method of the glass coating, screen printing is adopted for printing; further preferably, the mesh number of the screen printing is 250-420 mesh, and the mesh number of the screen printing can be 250 mesh, 300 mesh, 350 mesh or 420 mesh; further preferably, the mesh number of the screen printing is 350 mesh.
Preferably, in the preparation method of the glass coating, 65-85 degrees of scraping glue is adopted in the printing process; further preferably, a scraping process with the temperature of 70-80 degrees is adopted in the printing process; still further preferably, a 75 degree doctor blade is used during printing.
Preferably, in the preparation method of the glass coating, the baking temperature is 120-200 ℃; further preferably, the baking temperature is 140-180 ℃; still further preferably, the baking temperature is 150-170 ℃; still more preferably, the baking temperature is 160 ℃.
Preferably, in the preparation method of the glass coating, the baking time is 20-40min; further preferably, the baking time is 25-35min; still more preferably, the baking time is 30 minutes.
The beneficial effects of the invention are as follows:
the glass ink provided by the invention is a light ink, and has the advantages of high hiding power, good printability, high adhesive force, convenience in use and the like when reaching a required dyne value; after the glass coating is formed by printing, the dyne value is more than or equal to 36mN/m, the glossiness is more than or equal to 90 degrees, the adhesive force is more than or equal to 5B, and the film thickness is 5 mu m; in the screen printing process, compared with the traditional cover plate printing mode for two times, the glass ink can meet the requirements of a covering effect and a dyne value at one time, and the production cost and time are greatly saved; the invention realizes the increase of the dyne value by utilizing the specific carbon black; the glass ink is an epoxy system ink, and is low in cost and extremely high in cost performance.
Detailed Description
The present invention will be described in further detail with reference to specific examples. The starting materials or apparatus used in the examples and comparative examples were obtained from conventional commercial sources or by prior art methods unless otherwise specified. Unless otherwise indicated, assays or testing methods are routine in the art.
In the following examples and comparative examples, epoxy 904 was purchased from south asia corporation under the model NPES 904; ethylene glycol monobutyl ether is available from the Dow company; epoxy 128 is available from south Asia under the model NPEL 128; the dispersing agent is purchased from Lu Borun company and is 20000 hyperdispersing agent; carbon black was purchased from Desoxhlet corporation, model 4A; the filler is barium sulfate SuperF, purchased from Shahalibut company; the thickener is purchased from cabot corporation, and the model is M-5; the thixotropic agent is purchased from Pick company and has the model number BYK-MP100; the defoamer was purchased from Pick corporation under the model BYK-051.
Example 1
The glass ink of the embodiment comprises the following components in parts by mass:
904.48 parts of epoxy resin, 32 parts of ethylene glycol monobutyl ether, 128 parts of epoxy resin, 1 part of dispersing agent, 15 parts of carbon black, 5 parts of filler, 0.5 part of thickener, 0.3 part of thixotropic agent and 1.5 parts of defoamer.
The glass ink of this example was prepared as follows:
fully dissolving epoxy resin 904 and ethylene glycol monobutyl ether to prepare epoxy resin liquid; adding the epoxy resin liquid, the dispersing agent, the carbon black, the filler, the thickening agent and the thixotropic agent into a stirring and dispersing machine, stirring and dispersing the epoxy resin liquid, the dispersing agent, the carbon black, the filler, the thickening agent and the thixotropic agent, grinding the mixture to the particle size of below 5 mu m by a three-roller machine after stirring uniformly, and then adding the defoaming agent and the epoxy resin 128 while stirring to prepare the glass ink.
Example 2
The glass ink of the embodiment comprises the following components in parts by mass:
904.48 parts of epoxy resin, 32 parts of ethylene glycol monobutyl ether, 128 parts of epoxy resin, 1.2 parts of dispersing agent, 25 parts of carbon black, 5 parts of filler, 0.5 part of thickener, 0.3 part of thixotropic agent and 1.5 parts of defoamer.
The glass ink of this example was prepared as follows:
fully dissolving epoxy resin 904 and ethylene glycol monobutyl ether to prepare epoxy resin liquid; adding the epoxy resin liquid, the dispersing agent, the carbon black, the filler, the thickening agent and the thixotropic agent into a stirring and dispersing machine, stirring and dispersing the epoxy resin liquid, the dispersing agent, the carbon black, the filler, the thickening agent and the thixotropic agent, grinding the mixture to the particle size of below 5 mu m by a three-roller machine after stirring uniformly, and then adding the defoaming agent and the epoxy resin 128 while stirring to prepare the glass ink.
Comparative example 1
The glass ink of the comparative example comprises the following components in parts by mass:
904.48 parts of epoxy resin, 32 parts of ethylene glycol monobutyl ether, 1.2 parts of dispersing agent, 25 parts of carbon black, 5 parts of filler, 0.5 part of thickener, 0.3 part of thixotropic agent and 1.5 parts of defoamer.
The glass ink of this example was prepared as follows:
fully dissolving epoxy resin 904 and ethylene glycol monobutyl ether to prepare epoxy resin liquid; adding the epoxy resin liquid, the dispersing agent, the carbon black, the filler, the thickening agent and the thixotropic agent into a stirring and dispersing machine, stirring and dispersing the epoxy resin liquid, the dispersing agent, the carbon black, the filler, the thickening agent and the thixotropic agent, grinding the mixture to the particle size of below 5 mu m by a three-roller machine after stirring uniformly, and then adding the defoaming agent while stirring to obtain the glass ink.
The glass inks prepared in examples 1-2 and comparative example 1 were subjected to performance testing.
The glass inks prepared in examples 1-2 and comparative example 1 were subjected to viscosity test, the test results are shown in the following table, then an Ancamine 1618 alicyclic amine curing agent (purchased from air chemical industry in the United states) was added to the glass ink, the mass ratio of the curing agent to the glass ink was 1:10, after thorough mixing, the glass ink was diluted with isophorone to a viscosity of 8000-12000 mPas, screen printed with 350 mesh, and then baked at 160℃for 30 minutes to prepare a glass coating, and the remaining items of the prepared glass coating were tested, the test results are shown in the following table.
The glass coating prepared by the glass ink of the embodiment 1-2 has the adhesive force reaching 5B and high adhesive force; the OD value can reach 5.0, the OD value reflects the covering power of the ink layer, and the glass ink covering power is high; the glass ink of the embodiment 2 has a dyne value of 36mN/m and good printability; the glossiness of the glass ink of the examples 1-2 can reach 90 degrees, and the thickness of the glass coating prepared by the example of the invention is 5 mu m, and the thickness of the coating is low. The traditional high-gene-value ink is matte, a large amount of filler is added into the ink, the hiding power is poor, and the ink disclosed by the invention is bright ink, can reach the required gene value, and has the advantages of high hiding power, good printability and convenience in use.
The above examples are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present invention should be made in the equivalent manner, and the embodiments of the present invention should be included in the scope of the present invention.
Claims (10)
1. A glass ink, which is characterized by comprising the following components: epoxy resin, dispersant, carbon black, filler, thickener, thixotropic agent and defoamer.
2. The glass ink according to claim 1, comprising the following components in parts by mass: 26-62 parts of epoxy resin, 0.8-3 parts of dispersing agent, 15-30 parts of carbon black, 5-15 parts of filler, 0.1-1 part of thickener, 0.1-1 part of thixotropic agent and 1-3 parts of defoamer.
3. The glass ink of claim 1 or 2, wherein the composition further comprises 24-54 parts ethylene glycol monobutyl ether.
4. Glass ink according to claim 1 or 2, wherein the epoxy resin comprises an epoxy resin having an epoxy equivalent weight of 750-850g/Eq and/or an epoxy equivalent weight of 150-250 g/Eq.
5. The glass ink according to claim 1 or 2, wherein the carbon black has a particle size of 15 to 60nm.
6. The glass ink according to claim 1 or 2, wherein the filler is at least one of talc, barium sulfate and calcium carbonate.
7. The glass ink of claim 1 or 2, wherein the defoamer is a non-silicon defoamer.
8. The preparation method of the glass ink is characterized by comprising the following steps of: mixing the components of the glass ink of any one of claims 1-7 to obtain the glass ink.
9. A glass coating, characterized in that it is made of the glass ink according to any one of claims 1 to 7.
10. A method for preparing a glass coating, comprising the steps of: adding the glass ink as defined in any one of claims 1-7 into a curing agent, performing viscosity adjustment, printing and baking to obtain the glass coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111363005.7A CN116135932A (en) | 2021-11-17 | 2021-11-17 | Glass printing ink and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111363005.7A CN116135932A (en) | 2021-11-17 | 2021-11-17 | Glass printing ink and preparation method thereof |
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| CN116135932A true CN116135932A (en) | 2023-05-19 |
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| CN202111363005.7A Pending CN116135932A (en) | 2021-11-17 | 2021-11-17 | Glass printing ink and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999006336A1 (en) * | 1997-08-01 | 1999-02-11 | Revlon Consumer Products Corporation | Glass decorating compositions using bisphenol a epoxies |
| CN103773108A (en) * | 2014-01-29 | 2014-05-07 | 苏州昭奇凯虹精细化工有限公司 | White ink for glass cover plates |
| CN108570261A (en) * | 2017-03-13 | 2018-09-25 | 柯伟 | A kind of two-component modified polyester resin thermmohardening type ink |
| CN110607093A (en) * | 2019-10-17 | 2019-12-24 | 嘉宝莉化工集团股份有限公司 | Solvent-free glass screen printing ink and preparation method thereof |
-
2021
- 2021-11-17 CN CN202111363005.7A patent/CN116135932A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999006336A1 (en) * | 1997-08-01 | 1999-02-11 | Revlon Consumer Products Corporation | Glass decorating compositions using bisphenol a epoxies |
| CN103773108A (en) * | 2014-01-29 | 2014-05-07 | 苏州昭奇凯虹精细化工有限公司 | White ink for glass cover plates |
| CN108570261A (en) * | 2017-03-13 | 2018-09-25 | 柯伟 | A kind of two-component modified polyester resin thermmohardening type ink |
| CN110607093A (en) * | 2019-10-17 | 2019-12-24 | 嘉宝莉化工集团股份有限公司 | Solvent-free glass screen printing ink and preparation method thereof |
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