CN110669377A - Glass printing ink, preparation method and application - Google Patents
Glass printing ink, preparation method and application Download PDFInfo
- Publication number
- CN110669377A CN110669377A CN201910857586.6A CN201910857586A CN110669377A CN 110669377 A CN110669377 A CN 110669377A CN 201910857586 A CN201910857586 A CN 201910857586A CN 110669377 A CN110669377 A CN 110669377A
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- Prior art keywords
- parts
- glass
- ink
- imidazole
- curing agent
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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
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/006—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character
- C03C17/008—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character comprising a mixture of materials covered by two or more of the groups C03C17/02, C03C17/06, C03C17/22 and C03C17/28
- C03C17/009—Mixtures of organic and inorganic materials, e.g. ormosils and ormocers
-
- 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
Abstract
The invention relates to glass ink, a preparation method and application, and relates to the technical field of ink. The glass ink comprises the following components in parts by weight: 5-80 parts of polyurethane, 5-80 parts of epoxy resin, 0-15 parts of filler, 5-15 parts of isophorone, 0-5 parts of pigment, 0-10 parts of metal compound and 5-40 parts of curing agent, wherein the curing agent comprises imidazole or imidazole compound. The preparation method comprises the following steps: and mixing and stirring the polyurethane, the epoxy resin, the filler, the isophorone and the pigment uniformly according to the weight parts, mixing with the curing agent to obtain a mixture, and coating the mixture on the surface of the glass for curing. The glass printing ink is suitable for printing on various kinds of glass, and is especially suitable for glass panels of display equipment. The glass ink disclosed by the invention is good in acid and alkali corrosion resistance, and the ink coating is not easy to fall off; the processing cost is low, and secondary processing can be carried out after the curing is finished on the glass; can be matched with the glue of an acrylic acid system for use, and has high bonding strength.
Description
Technical Field
The invention relates to the technical field of printing ink, and particularly relates to glass printing ink, a preparation method and application.
Background
The glass has excellent physical and chemical stability, has wide application in various industries such as household appliances, furniture and the like, and along with the high development of the industries of buildings, automobiles, household appliances and information technology and the gradual improvement of the requirements of people on living quality, the demand pattern of the glass is also gradually improved, and the research and development of various glass ink systems bring more diversified choices for the decoration and protection of the glass.
The glass ink is a coating ink which can be rolled or printed on glass and can be firmly attached to the glass after the ink is completely cured. There are two types of conventional glass inks: one is high-temperature ink, the ink is uniformly coated on the glass, and then the ink can be fused into the glass through high-temperature baking at the temperature of 600-700 ℃, the ink has the advantages that the ink and the glass are fused into a whole, the color can hardly fade and peel off, the high-temperature ink has good adhesive force, once the ink is baked at high temperature, the ink is dissolved in the glass, and the ink can not be processed for the second time and reused after being cured; the other one is low-temperature printing ink which is baked at a low temperature of 130-200 ℃, and the main advantage is that the printing ink can be subjected to secondary processing, but the weather resistance is poor, and the practical range is small. The existing low-temperature glass ink mainly has the following defects in the using process:
(1) the adhesion of the low-temperature ink to glass is poorer than that of the high-temperature ink, the low-temperature ink is bonded by matching with the conventionally used glue of an acrylic acid system, but the coating is easy to fall off after the low-temperature ink is resistant to acid erosion;
(2) part of the ink contains toxic substances (such as Pb, toxic volatile solvents and the like), and the processing process can cause damage to human bodies.
In view of the above, it is necessary to develop a new ink to solve the above problems.
Disclosure of Invention
Based on the above, the invention aims to provide the glass ink which belongs to low-temperature ink, has good acid and alkali corrosion resistance and is not easy to fall off an ink coating; the processing cost is low, and secondary processing can be carried out after the curing is finished on the glass; can be matched with the glue of an acrylic acid system for use, and has high bonding strength.
The invention is realized by the following technical scheme:
the glass ink is characterized by comprising the following components in parts by weight:
5-80 parts of polyurethane, namely polyurethane,
5-80 parts of epoxy resin,
0-15 parts of a filler,
5-15 parts of isophorone,
0-5 parts of a pigment, namely,
0-10 parts of a metal compound,
5-40 parts of a curing agent,
wherein the curing agent comprises imidazole or imidazole compounds.
The epoxy resin contains various polar groups and large-activity epoxy groups, so that the epoxy resin has high bonding strength with various polar materials such as metal, plastic, glass and the like, has high compatibility and reactivity, can have high compatibility and reactivity with more organic matters (monomers, resin, rubber and the like) and inorganic matters (fillers and the like), and is easy to improve the performance of the epoxy resin by carrying out modification such as copolymerization, blending, filling and the like. The main disadvantages are as follows: when the modified toughening is not carried out, a cured product is generally brittle, the physical properties such as cold and hot impact resistance, peeling resistance, cracking resistance and the like are poor, the adhesion force to materials with small polarity (such as polyethylene, polypropylene and the like) is small, and the surface activation treatment is needed.
The polyurethane is generated by the reaction of combined polyether and curing agent diisocyanate, wherein the flexible section of the polyurethane elastomer is formed by the polyaddition of long-chain dihydroxy polyether and diisocyanate, the hard section of the polyurethane elastomer is formed by the polyaddition of short-chain trihydroxy polyether and dicyanate, and the polyurethane has excellent wear resistance, high bonding strength and elasticity and has the main defects of large shrinkage rate and poor chemical medium resistance and water resistance.
The glass printing ink of the application, with epoxy and polyurethane's combined use, contain imidazole or imidazole class compound in the curing agent simultaneously, from the physical structure, because epoxy internal structure is loose, epoxy and polyurethane all can be dissolved in the curing agent, polyurethane can fill the inside loose structure clearance of epoxy at the dissolving in-process, reduce the internal clearance, promote the inside compact degree of epoxy, thereby reach the purpose that promotes its anti-acid erosion ability, the curing agent can react and catalyze its solidification with epoxy and polyurethane simultaneously. When imidazole or imidazole compounds in the curing agent are used for reaction and are filled with residues, a buffer protective layer is formed on the surface of the glass printing ink, when the glass printing ink is corroded by acid and alkali, the buffer protective layer plays a role in blocking the acid and alkali from permeating into the printing ink, and meanwhile, the imidazole or imidazole compounds can react with the acid or alkali for neutralization, so that the acid and alkali environment influence on the surface of the printing ink is improved, and the effect of further protecting the glass printing ink from corrosion is achieved; further, if the glass ink further includes a metal compound, such as copper sulfate or iron sulfate, the metal compound forms a complex with imidazole or imidazole compound, and the function of a buffer retaining layer can also be achieved, and compared with a buffer protective layer formed by imidazole or imidazole compound, the buffer protective layer is denser, more strongly protects the glass ink from acid and alkali penetration so as to contact or enter the ink, and can react with the acid and alkali.
Further, the imidazole or imidazole compound includes one or more of 2-ethylimidazole and derivatives thereof, and 2-methylimidazole and derivatives thereof, but is not limited thereto.
Further, the parts by weight of the imidazole or imidazole compounds are 0.05-20 parts.
Preferably, the parts by weight of the imidazole or imidazole compound are 0.5-2 parts. When the amount of imidazole or imidazole compound is too small, a buffer protective layer is not formed on the surface of the ink, and when the amount is too large, the adhesiveness between the ink and the member to be adhered is affected. Therefore, 0.5 to 2 parts by weight of imidazole or an imidazole-based compound can provide a cushion protective layer on the surface of the ink and also can achieve adhesion to an adherend.
As an embodiment, it is characterized in that the metal compound is copper sulfate or iron sulfate, but not limited to the above two.
Further, the filler is selected from one or more of light calcium carbonate, silicon dioxide, titanium dioxide or talcum powder.
In one embodiment, the filler comprises 0-10 parts of light calcium carbonate and 0-5 parts of silica.
The invention also provides a preparation method of the glass ink, which is characterized by comprising the following steps:
and mixing and stirring the polyurethane, the epoxy resin, the filler, the isophorone and the pigment uniformly according to the weight parts, mixing with the curing agent to obtain a mixture, and coating the mixture on the surface of the glass for curing.
Further, the mixture is coated on the surface of the glass and then is baked and cured at 130-200 ℃.
The invention also provides application of the glass ink, which is characterized in that: application to glass panels. Taking a glass panel of a display device as an example, the inner side surface of the glass panel can be coated with glass ink, and then glue is coated on the surface of the glass ink to fix the glass panel and the support plate.
The glass printing ink disclosed by the invention has the following beneficial effects:
(1) the glass printing ink disclosed by the invention belongs to the low-temperature printing ink range, the whole processing cost of the printing ink is low, and the printing ink can be wiped and removed after being cured on glass for secondary processing and coating;
(2) the glass printing ink disclosed by the invention is non-toxic and harmless, good in acid and alkali corrosion resistance, and not easy to fall off;
(3) the glass ink disclosed by the invention can be matched with glue of an acrylic acid system for use (the surface of the solidified glass ink is coated by dehydration), so that glass is bonded with an object to be bonded, the bonding strength is high, the glass is not easy to fall off, and the glass ink is suitable for printing on various kinds of glass and is particularly suitable for being applied to glass panels.
Detailed Description
In order to better understand the above technical solutions, the following detailed descriptions will be provided with reference to specific embodiments.
Example 1
The glass ink of the embodiment comprises the following components in parts by weight:
5 parts of polyurethane, namely 5 parts of polyurethane,
5 parts of epoxy resin, namely 5 parts of epoxy resin,
5 parts of isophorone, namely 5 parts of isophorone,
5 parts of a curing agent, namely,
wherein the curing agent comprises 0.05 part of 2-ethylimidazole.
Example 2
The method for preparing the glass ink of example 1 includes the following steps: 5 parts of polyurethane, 5 parts of epoxy resin and 5 parts of isophorone are mixed and stirred uniformly according to the parts by weight, and then the mixture is mixed with 5 parts of curing agent to obtain a mixture, and the mixture is coated on the surface of glass for curing.
Example 3
The glass ink of the embodiment comprises the following components in parts by weight:
43 parts of Polyurethane (PU), namely Polyurethane (PU),
80 parts of epoxy resin, namely 80 parts of epoxy resin,
5 parts of light calcium carbonate, namely light calcium carbonate,
10 parts of silicon dioxide, namely silicon dioxide,
10 parts of isophorone,
2 parts of a pigment, namely adding 2 parts of a pigment,
20 parts of a curing agent, namely,
wherein the curing agent comprises 10 parts of 2-methylimidazole.
Example 4
The method for preparing the glass ink of example 3 includes the following steps: mixing and stirring 43 parts of polyurethane, 80 parts of epoxy resin, 5 parts of light calcium carbonate, 10 parts of silicon dioxide, 10 parts of isophorone and 2 parts of pigment uniformly according to parts by weight, mixing with 20 parts of curing agent to obtain a mixture, coating the mixture on the surface of glass, and baking and curing at 130-200 ℃.
Example 5
The glass ink of the embodiment comprises the following components in parts by weight:
80 parts of polyurethane, namely 80 parts of polyurethane,
43 parts of epoxy resin, namely 43 parts of epoxy resin,
8 parts of talcum powder,
15 parts of isophorone, namely 15 parts of isophorone,
5 parts of a pigment, namely adding 5 parts of a pigment,
10 parts of copper sulfate, namely copper sulfate,
40 parts of a curing agent, namely,
the curing agent comprises 10 parts of 2-methylimidazole and 10 parts of 2-ethylimidazole.
Example 6
The method for preparing the glass ink of example 5 includes the following steps: according to the weight parts, 80 parts of polyurethane, 43 parts of epoxy resin, 8 parts of talcum powder, 15 parts of isophorone, 5 parts of pigment and 10 parts of copper sulfate are mixed and stirred uniformly, then mixed with 40 parts of curing agent to obtain a mixture, the mixture is coated on the surface of glass, and the glass is baked and cured at 130-200 ℃.
Example 7
The glass ink of the embodiment comprises the following components in parts by weight:
30 parts of Polyurethane (PU), namely polyurethane,
30 parts of epoxy resin, namely 30 parts of epoxy resin,
10 parts of titanium dioxide, namely titanium dioxide,
10 parts of isophorone,
5 parts of copper sulfate, namely copper sulfate,
25 parts of a curing agent, namely,
wherein the curing agent comprises 1 part of 2-methylimidazole.
Example 8
The method of making the glass ink of example 7, comprising the steps of: mixing and stirring 30 parts of polyurethane, 30 parts of epoxy resin, 10 parts of titanium dioxide, 10 parts of isophorone and 5 parts of copper sulfate uniformly according to the parts by weight, mixing with 25 parts of curing agent to obtain a mixture, coating the mixture on the surface of glass, and baking and curing at 130-200 ℃.
Example 9
In this example, the glass ink of the present invention was applied to a glass panel. Taking a glass panel of a display device as an example, glass ink is coated on the inner side surface of the glass panel, and the glass panel is fixed with a support plate subsequently, wherein the specific fixing method comprises the following steps: the glass ink can be applied to glass panels of induction cookers, disinfection cabinets, etc. by applying the acrylic system glue to the surface of the glass ink to bond the glass panel to the support plate.
The above is only one mode of the application of the glass ink of the present invention, and the glass ink of the present invention can be applied to various kinds of glass, and is not limited to the above application.
Example 10
The general ink and the glass ink of the invention are respectively subjected to environmental tests (under the condition of double 85, namely the temperature is 85 ℃ and the humidity is 85%), and the test results are as follows:
| test inks | Time of ink being eroded or dropped |
| Common ink | Erosion in 96h and risk of falling |
| Glass ink of the invention | 168h still do not erode and fall off |
The above test results show that the glass ink of the present invention is less likely to fall off when used than conventional inks.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (10)
1. The glass ink is characterized by comprising the following components in parts by weight:
5-80 parts of polyurethane, namely polyurethane,
5-80 parts of epoxy resin,
0-15 parts of a filler,
5-15 parts of isophorone,
0-5 parts of a pigment, namely,
0-10 parts of a metal compound,
5-40 parts of a curing agent,
wherein the curing agent comprises imidazole or imidazole compounds.
2. The glass ink according to claim 1, wherein the imidazole or imidazole based compound comprises one or more of 2-ethylimidazole and derivatives thereof, 2-methylimidazole and derivatives thereof.
3. The glass ink according to claim 2, wherein the part by weight of the imidazole or imidazole-based compound is 0.05 to 20 parts.
4. The glass ink according to claim 3, wherein the part by weight of the imidazole or imidazole-based compound is 0.5 to 2 parts.
5. A glass ink as in claim 3, wherein the metal compound is copper sulfate or iron sulfate.
6. The glass ink according to claim 1, wherein the filler is selected from one or more of light calcium carbonate, silica, titanium dioxide or talc.
7. The glass ink of claim 6, wherein the filler comprises 0-10 parts of light calcium carbonate and 0-5 parts of silica.
8. A method for producing a glass ink according to any one of claims 1 to 7, characterized by comprising the steps of:
and mixing and stirring the polyurethane, the epoxy resin, the filler, the isophorone and the pigment uniformly according to the weight parts, mixing with the curing agent to obtain a mixture, and coating the mixture on the surface of the glass for curing.
9. The preparation method of the glass ink according to claim 8, wherein the mixture is coated on the surface of glass and then baked and cured at 130-200 ℃.
10. Use of a glass ink according to any of claims 1 to 7, characterised in that: application to glass panels.
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| CN201910857586.6A CN110669377A (en) | 2019-09-09 | 2019-09-09 | Glass printing ink, preparation method and application |
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Cited By (3)
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| CN112040040A (en) * | 2020-09-29 | 2020-12-04 | 华勤技术有限公司 | Rear cover plate for terminal equipment and terminal equipment |
| CN112778836A (en) * | 2021-02-01 | 2021-05-11 | 广东翔鹰化工有限公司 | Low-temperature spraying ink for glass and production process thereof |
| CN114045065A (en) * | 2021-12-30 | 2022-02-15 | 深圳市金达盛化工有限公司 | Preparation and application method of touch screen integrated black ink |
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Application publication date: 20200110 |