CN113321969A - Ink curing agent and preparation method and application thereof - Google Patents
Ink curing agent and preparation method and application thereof Download PDFInfo
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- CN113321969A CN113321969A CN202110647367.2A CN202110647367A CN113321969A CN 113321969 A CN113321969 A CN 113321969A CN 202110647367 A CN202110647367 A CN 202110647367A CN 113321969 A CN113321969 A CN 113321969A
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- curing agent
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- ink curing
- ink
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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
-
- 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 belongs to the technical field of ink coatings, and discloses an ink curing agent, and a preparation method and application thereof. The technical scheme adopted by the invention is as follows: an ink curing agent comprising the following components: modified epoxy resin, a plasticizer, a crosslinking assistant, a diluent, a filler and a curing accelerator. According to the invention, the use of Tgi c in a curing agent is cancelled through the optimized adjustment of the production formula, so that the problem of skin allergy in the use process of the ink is solved, and the heat resistance, the chemical resistance and the weather resistance of the ink are improved through the optimized adjustment of the production formula.
Description
Technical Field
The invention belongs to the technical field of ink coatings, and particularly relates to an ink curing agent, and a preparation method and application thereof.
Background
In the field of ink coating technology, triglycidyl isocyanurate (Tgic) has long been used as a main material of a curing agent in a liquid photosensitive material component. Under the influence of domestic manufacturing processes, epichlorohydrin cannot be completely removed in the synthesis process of Tgic. The epichlorohydrin contains a large amount of chlorine compounds, the concentration of the chlorine compounds of Tgic at present is generally 4000ppm-10000ppm, so that the curing agent produced by using Tgic can not meet the requirement of European Union on chlorine elements, and meanwhile, the serious skin allergy phenomenon of a user can be easily caused, the serious risk is brought to the body health of an operator, and a factory can not completely improve the problem of skin allergy of the user by spending a large amount of capital and additionally installing air draft equipment when using the curing agent produced by Tgic in time.
Disclosure of Invention
The first technical problem to be solved by the invention is as follows: an environment-friendly ink curing agent without triglycidyl isocyanurate (Tgic).
The second technical problem to be solved by the invention is: the preparation method of the ink curing agent.
The third technical problem to be solved by the invention is: the application of the ink curing agent is provided.
In order to solve the first technical problem, the invention adopts the technical scheme that: an ink curing agent comprising the following components:
modified epoxy resin, a plasticizer, a crosslinking assistant, a diluent, a filler and a curing accelerator.
Further, the components are as follows in parts by weight:
20-30 parts of modified epoxy resin;
10-20 parts of a plasticizer;
2-7 parts of a crosslinking assistant;
5-6 parts of a diluent;
20-30 parts of a filler;
5.5-7.5 parts of a curing accelerator.
Further, the modified epoxy resin is composed of a dibasic ester (DBE) and an o-cresol formaldehyde epoxy resin, and the modified epoxy resin is hereinafter referred to as B0008H epoxy resin.
Further, the diluent is at least one of dipropylene glycol monomethyl ether, ethylene glycol monobutyl ether and ethylene glycol dimethyl ether.
Further, the plasticizer is at least one of dipentaerythritol hexaacrylate, dioctyl phthalate and diethylene glycol butyl ether acetate.
Further, the crosslinking assistant is at least one of trimethacrylate (TMPTA), ethylene glycol monostearate, ethylene glycol distearate and glycerol monostearate.
Further, the curing accelerator is at least one of melamine, dicyandiamide, N-dimethylbenzylamine, N-ethylmorpholine and bis (2-dimethylaminoethyl) ether.
Further, the filler is ultra-fine barium sulfate, and the average particle size of the ultra-fine barium sulfate is within 0.01 to 0.08 micrometers.
In order to solve the second technical problem, the invention adopts the technical scheme that: the preparation method of the ink curing agent comprises the following steps:
and mixing the modified epoxy resin, the diluent and the curing accelerator, reacting, adding a filler, a plasticizer and a crosslinking assistant, and reacting to obtain the ink curing agent.
In order to solve the third technical problem, the invention adopts the technical scheme that: the ink curing agent is applied to the PCB.
The invention has the beneficial effects that: 1. according to the invention, by optimizing and adjusting the production formula, the use of Tgic in a curing agent is cancelled, and the environment-friendly ink curing agent meeting the European Union 1000ppm halogen requirement is produced; 2. according to the invention, through optimizing and adjusting the production formula, the heat resistance, chemical resistance and weather resistance of the printing ink are improved, so that the printing ink curing agent disclosed by the invention can meet the problems of surface treatment processes which require long-time high temperature and high acid, such as tin spraying, gold precipitation, silver precipitation, tin precipitation, oxidation resistance and the like, and the printing ink curing agent disclosed by the invention can be suitable for industries with higher requirements on the printing ink quality, such as computer motherboards, mobile phone support plates, various communication terminals and the like; 3. the ink does not contain triglycidyl isocyanurate, so that the problem of skin allergy in the using process of the ink is solved.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description will be given with reference to the embodiments.
Example 1
Mixing 20 parts of B0008H epoxy resin, 5 parts of dipropylene glycol monomethyl ether, 2.5 parts of melamine and 3 parts of dicyandiamide, stirring and dispersing at a low speed of 300rpm by using a dispersing machine, stirring and dispersing at a speed of 2050rpm for 10 minutes, adjusting the speed of 1500rpm, adding 20 parts of superfine barium sulfate, heating to 70 ℃ at a speed of 8 ℃/min after 20 minutes, adding 15 parts of dipentaerythritol hexaacrylate and 6 parts of trimethacrylate, and stirring and dispersing at a speed of 1500rpm for 1.5 hours to obtain the ink curing agent.
Example 2
Mixing 25 parts of B0008H epoxy resin, 5 parts of dipropylene glycol monomethyl ether, 2.5 parts of melamine and 4 parts of dicyandiamide, stirring and dispersing at a low speed of 300rpm by using a dispersing machine, stirring and dispersing at a speed of 2050rpm for 10 minutes, adjusting the speed of 1500rpm, adding 18 parts of superfine barium sulfate, heating to 70 ℃ at a speed of 8 ℃/min after 20 minutes, adding 15 parts of dipentaerythritol hexaacrylate and 6 parts of trimethacrylate, and stirring and dispersing at a speed of 1500rpm for 1.5 hours to obtain the ink curing agent.
Example 3
Mixing 25 parts of B0008H epoxy resin, 3 parts of dipropylene glycol monomethyl ether, 2.5 parts of melamine and 3 parts of dicyandiamide, stirring and dispersing at a low speed of 300rpm by using a dispersing machine, stirring and dispersing at a speed of 2050rpm for 10 minutes, adjusting the speed of 1500rpm, adding 18 parts of superfine barium sulfate, heating to 70 ℃ at a speed of 8 ℃/min after 20 minutes, adding 15 parts of dipentaerythritol hexaacrylate and 6 parts of trimethacrylate, and stirring and dispersing at a speed of 1500rpm for 1.5 hours to obtain the ink curing agent.
Example 4
Mixing 30 parts of B0008H epoxy resin, 5 parts of dipropylene glycol monomethyl ether, 2.5 parts of melamine and 3 parts of dicyandiamide, stirring and dispersing at a low speed of 300rpm by using a dispersing machine, stirring and dispersing at a speed of 2050rpm for 10 minutes, adjusting the speed of 1500rpm, adding 30 parts of superfine barium sulfate, heating to 70 ℃ at a speed of 8 ℃/min after 20 minutes, adding 20 parts of dipentaerythritol hexaacrylate and 6 parts of trimethacrylate, and stirring and dispersing at a speed of 1500rpm for 1.5 hours to obtain the ink curing agent.
Comparative example 1
Mixing 20 parts of south Asia 1281 resin, 5 parts of dipropylene glycol monomethyl ether, 2.5 parts of melamine and 3 parts of dicyandiamide, stirring and dispersing at a low speed of 300rpm by using a dispersing machine for 10 minutes, then stirring and dispersing at a speed of 2050rpm for 10 minutes, adjusting the rotating speed to 1500rpm, then adding 20 parts of superfine barium sulfate, heating to 70 ℃ at a speed of 8 ℃/min after 20 minutes, adding 15 parts of dipentaerythritol hexaacrylate and 6 parts of trimethacrylate, and stirring and dispersing at a rotating speed of 1500rpm for 1.5 hours to obtain the ink curing agent.
Comparative example 2
Mixing 10 parts of south Asia 1281 resin, 10 parts of B0008H epoxy resin, 5 parts of dipropylene glycol monomethyl ether, 2.5 parts of melamine and 3 parts of dicyandiamide, stirring and dispersing at a low speed of 300rpm by using a dispersion machine, stirring and dispersing at a speed of 2050rpm for 10 minutes after 10 minutes, adjusting the rotation speed to 1500rpm, adding 20 parts of superfine barium sulfate, heating to 70 ℃ at a speed of 8 ℃/min after 20 minutes, adding 15 parts of dipentaerythritol hexaacrylate and 6 parts of trimethacrylate, and stirring and dispersing at a speed of 1500rpm for 1.5 hours to obtain the ink curing agent.
To further confirm the effects of the specific components employed in the present invention, the materials prepared in examples 1-4 and comparative examples 1-2 were tested separately and the results are shown in Table 1:
TABLE 1
As can be seen from table 1, the ink curing agent of the present invention has certain advantages in adhesion, soldering resistance, acid resistance, alkali resistance and insulation, so that the ink curing agent of the present invention can satisfy the surface treatment processes of tin spraying, gold deposition, silver deposition, tin deposition, oxidation resistance, etc., and when the modified epoxy resin in the ink curing agent of the present invention is substituted or doped with the south asia 1281 resin, the above properties are weakened.
To further confirm the effects of the specific components employed in the present invention, the materials prepared in examples 1-4 and comparative examples 1-2 were tested separately and the results are shown in Table 2:
TABLE 2
As can be seen from Table 2, the ink curing agent of the present invention has better performances in terms of viscosity, sensitivity and developability than those of comparative examples 1 and 2, and therefore, the ink curing agent of the present invention can better meet and adapt to market and customer requirements, and is suitable for popularization and use.
The preparation of the B0008H epoxy resin used in the above examples and comparative examples is as follows:
1. firstly, adding the DBE dissolved in 25 kg of organic solvent, and heating to 80 ℃.
2. 75 kg of granular o-cresol formaldehyde epoxy resin is slowly added under stirring.
3. Heating to 100 ℃ and keeping for 30 minutes until the resin is completely dissolved to obtain the B0008H epoxy resin.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent modifications made by the present invention in the specification or directly or indirectly applied to the related technical field are included in the scope of the present invention.
Claims (10)
1. An ink curing agent, characterized in that: comprises the following components:
modified epoxy resin, a plasticizer, a crosslinking assistant, a diluent, a filler and a curing accelerator.
2. The ink curing agent according to claim 1, wherein: the weight parts of the components are as follows:
20-30 parts of modified epoxy resin;
10-20 parts of a plasticizer;
2-7 parts of a crosslinking assistant;
5-6 parts of a diluent;
20-30 parts of a filler;
5.5-7.5 parts of a curing accelerator.
3. The ink curing agent according to claim 1, wherein: the modified epoxy resin consists of diformate and o-cresol formaldehyde epoxy resin.
4. The ink curing agent according to claim 1, wherein: the diluent is at least one of dipropylene glycol monomethyl ether, ethylene glycol monobutyl ether and ethylene glycol dimethyl sulfide.
5. The ink curing agent according to claim 1, wherein: the plasticizer is at least one of dipentaerythritol hexaacrylate, dioctyl phthalate and diethylene glycol butyl ether acetate.
6. The ink curing agent according to claim 1, wherein: the crosslinking assistant is at least one of trimethacrylate, ethylene glycol monostearate, ethylene glycol distearate and glycerol monostearate.
7. The ink curing agent according to claim 1, wherein: the curing accelerator is at least one of melamine, dicyandiamide, N-dimethylbenzylamine, N-ethylmorpholine and bis (2-dimethylaminoethyl) ether.
8. The ink curing agent according to claim 1, wherein: the filler is superfine barium sulfate, and the average grain diameter of the superfine barium sulfate is within 0.01-0.08 micrometer.
9. A method of preparing an ink curing agent according to any one of claims 1 to 8, characterized in that: the method comprises the following steps:
and mixing the modified epoxy resin, the diluent and the curing accelerator, reacting, adding a filler, a plasticizer and a crosslinking assistant, and reacting to obtain the ink curing agent.
10. Use of an ink curing agent according to any one of claims 1 to 8 in a PCB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110647367.2A CN113321969A (en) | 2021-06-10 | 2021-06-10 | Ink curing agent and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110647367.2A CN113321969A (en) | 2021-06-10 | 2021-06-10 | Ink curing agent and preparation method and application thereof |
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| Publication Number | Publication Date |
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| CN113321969A true CN113321969A (en) | 2021-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110647367.2A Pending CN113321969A (en) | 2021-06-10 | 2021-06-10 | Ink curing agent and preparation method and application thereof |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110845909A (en) * | 2019-11-21 | 2020-02-28 | 珠海宏博电子科技有限公司 | Photosensitive solder resist white oil and preparation method thereof |
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2021
- 2021-06-10 CN CN202110647367.2A patent/CN113321969A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110845909A (en) * | 2019-11-21 | 2020-02-28 | 珠海宏博电子科技有限公司 | Photosensitive solder resist white oil and preparation method thereof |
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Application publication date: 20210831 |