CN112961538B - Pad printing mirror silver ink and preparation method and application thereof - Google Patents
Pad printing mirror silver ink and preparation method and application thereof Download PDFInfo
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- CN112961538B CN112961538B CN202110190034.1A CN202110190034A CN112961538B CN 112961538 B CN112961538 B CN 112961538B CN 202110190034 A CN202110190034 A CN 202110190034A CN 112961538 B CN112961538 B CN 112961538B
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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
- C09D11/104—Polyesters
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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
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
- C09D11/033—Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
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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
- C09D11/03—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
Abstract
The invention provides pad printing mirror silver ink and a preparation method and application thereof; the pad printing mirror silver ink is prepared from the following raw materials: 15-45 parts by weight of mirror resin; 15-45 parts of mirror silver paste; 2-8 parts by weight of a mixed solvent; 0.05-0.5 part by weight of a dispersant; 0.05-0.5 part by weight of a wetting agent; 0.1-1.0 part by weight of adhesion promoter. Compared with the prior art, the pad printing mirror surface silver ink provided by the invention adopts components with specific contents, better interaction can be realized, the product can be subjected to film coating construction on various special-shaped base materials, and the cured paint film can meet various physical property requirements required by mobile phone cover plate ink. Experimental results show that the cured transfer printing mirror silver ink has excellent paint film adhesion, and the poaching percent-of-pass (more than 4B is OK) is 90-100%; the solvent resistance is good, and the qualified rate of butanone-wiping resistance for 50 times/500 gram-force is 90-100 percent; the aging resistance is excellent, and the qualification rate of the QUV resistance test is 100 percent; the rate of good appearance (no burr and no pinhole) is 85-96%.
Description
Technical Field
The invention relates to the technical field of printing ink, in particular to pad printing mirror silver printing ink and a preparation method and application thereof.
Background
With the continuous upgrading of the appearance process of the mobile phone, the original silk-screen mirror silver ink in the introduced new process can be printed on only one plane based on the principle of silk-screen printing, the silk-screen printing often has size difference on a substrate with large multidimensional special-shaped 3D radian, and the ink cannot be printed at the silk-screen edge position on the substrate, which is shown in fig. 1.
Therefore, developing a transfer printing mirror silver ink to replace screen printing to perform coating construction on a substrate with a 3D arc surface, and further realizing the brand new process mass production becomes a technical problem to be solved by technical personnel in the field.
Disclosure of Invention
In view of the above, the invention aims to provide a pad printing mirror surface silver ink and a preparation method and application thereof.
The invention provides pad printing mirror silver ink which is prepared from the following raw materials:
15-45 parts by weight of mirror resin;
15-45 parts of mirror-surface silver paste;
2-8 parts by weight of a mixed solvent;
0.05 to 0.5 weight part of dispersant;
0.05 to 0.5 weight portion of wetting agent;
0.1 to 1.0 weight portion of adhesion promoter.
Preferably, the mirror resin is a modified polyester acrylic resin; the molecular weight of the mirror resin is more than 100000, and the acid value is less than 3.
Preferably, the silver paste particle size distribution of the mirror silver paste is more than 90% between 4 and 6 microns.
Preferably, the mixed solvent comprises the following components:
10-25 wt% of butyl ester;
10-25 wt% of propylene glycol methyl ether acetate;
25-35 wt% of ethylene glycol monobutyl ether;
25 to 45 weight percent of isophorone.
Preferably, the dispersant is a polyurethane type dispersant of AFCONA 4011.
Preferably, the wetting agent is a polyoxyethylene alkylated ether polymer.
Preferably, the adhesion promoter is a modified polyester high molecular compound.
Preferably, the pad printing mirror silver ink comprises:
21 to 25 parts by weight of mirror resin;
20-24 parts of mirror silver paste;
2-8 parts by weight of a mixed solvent;
0.05 to 0.5 weight part of dispersant;
0.05 to 0.5 weight portion of wetting agent;
0.1 to 1.0 weight portion of adhesion promoter.
The invention also provides a preparation method of the transfer printing mirror silver ink, which comprises the following steps:
and (3) sequentially adding a dispersing agent, a wetting agent, mirror silver paste, an adhesion promoter and a mixed solvent into the mirror resin, and uniformly mixing to obtain the transfer printing mirror silver ink.
The invention also provides a transfer printing method of toughened glass, which comprises the following steps:
uniformly mixing the ink and the curing agent, curing for 1-10 min, and performing pad printing treatment on the toughened glass to obtain toughened glass with a mirror surface effect;
the ink is the transfer printing mirror silver ink in the technical scheme.
Preferably, the curing agent is an HDI type isocyanate polymer; the mass ratio of the curing agent to the printing ink is (9-11): 100.
the invention provides pad printing mirror silver ink and a preparation method and application thereof; the pad printing mirror silver ink is prepared from the following raw materials: 15-45 parts by weight of mirror resin; 15-45 parts of mirror-surface silver paste; 2-8 parts by weight of a mixed solvent; 0.05 to 0.5 weight part of dispersant; 0.05 to 0.5 weight portion of wetting agent; 0.1 to 1.0 weight portion of adhesion promoter. Compared with the prior art, the pad printing mirror surface silver ink provided by the invention adopts components with specific contents, better interaction can be realized, the product can be subjected to film coating construction on various special-shaped base materials, and the cured paint film can meet various physical property requirements required by mobile phone cover plate ink. Experimental results show that the cured transfer printing mirror silver ink has excellent paint film adhesion, and the poaching percent-of-pass (more than 4B is OK) is 90-100%; the solvent resistance is good, and the qualified rate of butanone-wiping resistance for 50 times/500 gram-force is 90-100 percent; the aging resistance is excellent, and the qualification rate of the QUV resistance test is 100 percent; the rate of good appearance (no burr and no pinhole) is 85-96%.
In addition, the preparation method of the pad printing mirror silver ink provided by the invention is simple in process, mild in condition and easy to control; the prepared pad printing mirror silver ink is convenient to use, low in curing energy consumption and high in speed, and is suitable for large-scale application.
Drawings
FIG. 1 is a schematic illustration of screen printing of ink at screen edge locations on a substrate;
FIG. 2 is a schematic diagram of the main process flow of the pad printing process.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides pad printing mirror silver ink which is prepared from the following raw materials:
15-45 parts by weight of mirror resin;
15-45 parts of mirror-surface silver paste;
2-8 parts by weight of a mixed solvent;
0.05 to 0.5 weight part of dispersant;
0.05 to 0.5 weight portion of wetting agent;
0.1 to 1.0 weight portion of adhesion promoter.
In the invention, the pad printing mirror silver ink comprises mirror resin, mirror silver paste, a mixed solvent, a dispersing agent, a wetting agent and an adhesion promoter, and preferably consists of the mirror resin, the mirror silver paste, the mixed solvent, the dispersing agent, the wetting agent and the adhesion promoter.
In the present invention, the mirror resin is preferably a modified polyester acrylic resin; the molecular weight of the mirror resin is preferably more than 100000, more preferably 150000; the acid value of the mirror resin is preferably less than 3. Compared with the common mirror resin with the molecular weight of 100000 or less, the mirror resin adopted by the invention has better adhesive force to the glass substrate while simultaneously having mirror effect, and more importantly, the viscosity and the pad printing application performance of the mirror resin are better than those of the common resin. The source of the mirror resin is not particularly limited in the present invention, and commercially available products known to those skilled in the art may be used.
In the present invention, the pad printing mirror silver ink includes 15 to 45 parts by weight of a mirror resin, preferably 21 to 25 parts by weight.
In the invention, the silver paste particle size distribution of the mirror silver paste is more than 90% between 4 and 6 microns. The grain diameter of the general mirror silver paste is 6-8 μm, and the distribution is not uniform; the mirror surface silver paste adopted by the invention has a more exquisite and more uniform mirror surface effect. The source of the mirror silver paste is not particularly limited in the present invention, and commercially available or self-made paste known to those skilled in the art can be used.
In the present invention, the pad printing mirror silver ink includes 15 to 45 parts by weight of mirror slurry, preferably 20 to 24 parts by weight.
In the present invention, the mixed solvent preferably includes the following components:
10-25 wt% of butyl ester;
10-25 wt% of propylene glycol methyl ether acetate;
25-35 wt% of ethylene glycol monobutyl ether;
25-45 wt% of isophorone;
more preferably:
25 wt% of butyl ester;
25 wt% of propylene glycol methyl ether acetate;
25 wt% of ethylene glycol monobutyl ether;
isoverone 25 wt%.
In the present invention, the butyl ester is preferably butyl acetate. The sources of the butyl ester, propylene glycol methyl ether acetate, ethylene glycol monobutyl ether, and isophorone in the present invention are not particularly limited, and commercially available products well known to those skilled in the art may be used.
The preparation method of the mixed solvent is not particularly limited, and the technical scheme that all the components are uniformly mixed under the stirring condition, which is well known by the technical personnel in the field, can be adopted. Compared with the solvent used by other types of ink, the mixed solvent adopted by the invention is more suitable for the pad printing process.
In the present invention, the pad printing mirror silver ink includes 2 to 8 parts by weight of the mixed solvent, preferably 4.55 parts by weight.
In the present invention, the dispersant is preferably a polyurethane type dispersant of AFCONA 4011. The invention adopts the dispersant to fully and uniformly disperse the mirror silver paste and the mirror resin, and can improve the storage stability of the printing ink. The source of the dispersant in the present invention is not particularly limited, and commercially available products known to those skilled in the art may be used.
In the present invention, the pad printing mirror silver ink includes 0.05 to 0.5 parts by weight of a dispersant, preferably 0.15 parts by weight.
In the present invention, the wetting agent is preferably a polyoxyethylene alkylated ether-based polymer. The wetting agent can be used for efficiently removing paint film defects such as tooth defects, hair teeth, pinholes and the like. The source of the wetting agent is not particularly limited in the present invention, and commercially available products well known to those skilled in the art may be used.
In the present invention, the pad printing mirror silver ink comprises 0.05 to 0.5 parts by weight of wetting agent, preferably 0.15 parts by weight.
In the present invention, the adhesion promoter is preferably a modified polyester polymer compound. The adhesion promoter can strongly improve the fastness of the pad printing ink on the glass substrate. The source of the adhesion promoter in the present invention is not particularly limited, and commercially available products known to those skilled in the art may be used.
In the invention, the pad printing mirror surface silver ink comprises 0.1 to 1.0 weight part of adhesion promoter, preferably 0.15 weight part.
The pad printing mirror surface silver ink provided by the invention adopts components with specific contents, and can realize better interaction, thereby solving the technical problem that printing cannot be carried out on a multidimensional special-shaped substrate based on the principle of screen printing; the product can replace screen printing to carry out film coating construction on various special-shaped base materials, and the cured paint film can meet various physical property requirements required by the mobile phone cover plate ink.
The invention also provides a preparation method of the transfer printing mirror silver ink, which comprises the following steps:
and (3) sequentially adding a dispersing agent, a wetting agent, mirror silver paste, an adhesion promoter and a mixed solvent into the mirror resin, and uniformly mixing to obtain the transfer printing mirror silver ink.
In the present invention, the mirror resin, the dispersant, the wetting agent, the mirror silver paste, the adhesion promoter, and the mixed solvent are the same as those in the above technical solution, and are not described herein again.
The mixing mode is not particularly limited, and the technical scheme of mechanical stirring or manual stirring which is well known by the technical personnel in the field can be adopted; the aim is to mix the components evenly. In the present invention, the mixing device is preferably a stirred tank (or a medium-sized disperser); on this basis, the mixing process is preferably specifically as follows:
adding mirror resin into a stirring kettle, starting the stirring kettle, and controlling the rotating speed to be 500-800 rpm; then adding the dispersing agent into the kettle, and keeping stirring for 5-10 min; adding the wetting agent into the kettle, and keeping stirring for 5-10 min; adding the mirror silver paste into the kettle, and keeping stirring for 10-20 min; adding the adhesion promoter into the kettle, and keeping stirring for 5-10 min; and adding the mixed solvent into the kettle, and keeping stirring for 5-10 min to obtain the transfer printing mirror silver ink.
In the present invention, the kinetic viscosity of the pad printing mirror silver ink is preferably 3500mpa.s to 4500 mpa.s.
Similar to the preparation method of the general mirror silver ink, the preparation method adopted by the invention can be directly completed at room temperature. The preparation method of the pad printing mirror silver ink provided by the invention is simple in process, mild in condition and easy to control.
The invention also provides a transfer printing method of toughened glass, which comprises the following steps:
uniformly mixing the ink and the curing agent, curing for 1-10 min, and performing pad printing treatment on the toughened glass to obtain toughened glass with a mirror surface effect;
the ink is the transfer printing mirror silver ink in the technical scheme.
In the invention, the ink is the pad printing mirror silver ink described in the above technical scheme, and is not described herein again.
In the present invention, the curing agent is preferably an isocyanate polymer of HDI type; the source of the curing agent is not particularly limited in the present invention, and commercially available products known to those skilled in the art may be used. In the invention, the mass ratio of the curing agent to the ink is preferably (9-11): 100, more preferably 10: 100.
in the present invention, the aging time is 1 to 10min, preferably 5 min.
The present invention is not particularly limited in kind and source of the tempered glass, and various tempered mobile phone glasses (including 3D glass) known to those skilled in the art may be used as commercially available products.
In the invention, the equipment for pad printing treatment is preferably a full-automatic pad printing machine, and a schematic diagram of a specific process is shown in figure 2. The pad printing mirror silver ink adopting the technical scheme is matched with the curing agent, and is suitable for pad printing mirror silver on toughened mobile phone glass; different from other mirror silver, the transfer printing mirror silver transfer printing method has clear characters without double images, OD (optical density) values of more than 5.0, no pinholes or tooth defects, mirror effect close to electroplating level, and can be used for more than 4 hours, so that excellent mirror effect can be achieved; therefore, the transfer printing mirror silver ink provided by the invention can be used as mirror silver decorative ink for 3D glass, and is mirror silver ink capable of being transfer printed on toughened mobile phone glass.
The pad printing mirror surface silver ink prepared by the invention is convenient to use, low in curing energy consumption, high in speed and suitable for large-scale application.
The invention provides pad printing mirror silver ink and a preparation method and application thereof; the pad printing mirror silver ink is prepared from the following raw materials: 15-45 parts by weight of mirror resin; 15-45 parts of mirror-surface silver paste; 2-8 parts by weight of a mixed solvent; 0.05 to 0.5 weight part of dispersant; 0.05 to 0.5 weight portion of wetting agent; 0.1 to 1.0 weight portion of adhesion promoter. Compared with the prior art, the pad printing mirror surface silver ink provided by the invention adopts components with specific contents, better interaction can be realized, the product can be subjected to film coating construction on various special-shaped base materials, and the cured paint film can meet various physical property requirements required by mobile phone cover plate ink. Experimental results show that the cured transfer printing mirror silver ink has excellent paint film adhesion, and the poaching percent-of-pass (more than 4B is OK) is 90-100%; the solvent resistance is good, and the qualified rate of butanone-wiping resistance for 50 times/500 gram-force is 90-100 percent; the aging resistance is excellent, and the qualification rate of the QUV resistance test is 100 percent; the rate of good appearance (no burr and no pinhole) is 85-96%.
In addition, the preparation method of the pad printing mirror silver ink provided by the invention is simple in process, mild in condition and easy to control; the prepared pad printing mirror silver ink is convenient to use, low in curing energy consumption and high in speed, and is suitable for large-scale application.
To further illustrate the present invention, the following examples are provided for illustration. The raw materials used in the following examples of the present invention are all commercially available products; wherein the mirror resin is 9001 resin of a new mirror color material company, the molecular weight is 150000, and the acid value is less than 3; the silver paste particle size distribution of the mirror surface silver paste is more than 90 percent (the average particle size is 5 mu m) between 4 mu m and 6 mu m; the dispersant is AFCONA4011 polyurethane type dispersant; the wetting agent is winning TEGO 280; the adhesion promoter is Adherant ADP of moderate; the curing agent is a Kesimao N3390 curing agent.
Example 1
(1) Adding 1.25 kg of butyl acetate, 1.25 kg of propylene glycol methyl ether acetate, 1.25 kg of ethylene glycol monobutyl ether and 1.25 kg of isophorone into a clean and dry 10L stirring kettle, starting the stirring kettle, controlling the rotating speed at 500-800 rpm, keeping for 5-10 min, stopping the stirring kettle, and discharging to obtain a mixed solvent for later use.
(2) Adding 45 kilograms of mirror resin into a clean and dry 120L stirring kettle, starting the stirring kettle, and controlling the rotating speed to be 500-800 rpm; then adding 0.3 kg of dispersing agent into the kettle, and keeping stirring for 5-10 min; adding 0.3 kg of wetting agent into the kettle, and keeping stirring for 5-10 min; adding 45 kg of mirror silver paste into the kettle, and keeping stirring for 10-20 min; adding 0.3 kg of adhesion promoter into the kettle, and keeping stirring for 5-10 min; and (3) adding 9.1 kg of the mixed solvent obtained in the step (1) into the kettle, and keeping stirring for 5-10 min to obtain the transfer printing mirror silver ink.
Example 2
(1) Adding 1.25 kg of butyl acetate, 1.25 kg of propylene glycol methyl ether acetate, 1.25 kg of ethylene glycol monobutyl ether and 1.25 kg of isophorone into a clean and dry 10L stirring kettle, starting the stirring kettle, controlling the rotating speed at 500-800 rpm, keeping for 5-10 min, stopping the stirring kettle, and discharging to obtain a mixed solvent for later use.
(2) Adding 48 kilograms of mirror resin into a clean and dry 120L stirring kettle, starting the stirring kettle, and controlling the rotating speed to be 500-800 rpm; then adding 0.3 kg of dispersing agent into the kettle, and keeping stirring for 5-10 min; adding 0.3 kg of wetting agent into the kettle, and keeping stirring for 5-10 min; adding 42 kg of mirror silver paste into the kettle, and keeping stirring for 10-20 min; adding 0.3 kg of adhesion promoter into the kettle, and keeping stirring for 5-10 min; and (3) adding 9.1 kg of the mixed solvent obtained in the step (1) into the kettle, and keeping stirring for 5-10 min to obtain the transfer printing mirror silver ink.
Example 3
(1) Adding 1.25 kg of butyl acetate, 1.25 kg of propylene glycol methyl ether acetate, 1.25 kg of ethylene glycol monobutyl ether and 1.25 kg of isophorone into a clean and dry 10L stirring kettle, starting the stirring kettle, controlling the rotating speed at 500-800 rpm, keeping for 5-10 min, stopping the stirring kettle, and discharging to obtain a mixed solvent for later use.
(2) Adding 50 kilograms of mirror resin into a clean and dry 120L stirring kettle, starting the stirring kettle, and controlling the rotating speed to be 500-800 rpm; then adding 0.3 kg of dispersing agent into the kettle, and keeping stirring for 5-10 min; adding 0.3 kg of wetting agent into the kettle, and keeping stirring for 5-10 min; adding 40 kg of mirror silver paste into the kettle, and keeping stirring for 10-20 min; adding 0.3 kg of adhesion promoter into the kettle, and keeping stirring for 5-10 min; and (3) adding 9.1 kg of the mixed solvent obtained in the step (1) into the kettle, and keeping stirring for 5-10 min to obtain the transfer printing mirror silver ink.
Example 4
(1) Adding 1.25 kg of butyl acetate, 1.25 kg of propylene glycol methyl ether acetate, 1.25 kg of ethylene glycol monobutyl ether and 1.25 kg of isophorone into a clean and dry 10L stirring kettle, starting the stirring kettle, controlling the rotating speed at 500-800 rpm, keeping for 5-10 min, stopping the stirring kettle, and discharging to obtain a mixed solvent for later use.
(2) Adding 42 kg of mirror resin into a clean and dry 120L stirring kettle, starting the stirring kettle, and controlling the rotating speed to be 500-800 rpm; then adding 0.3 kg of dispersing agent into the kettle, and keeping stirring for 5-10 min; adding 0.3 kg of wetting agent into the kettle, and keeping stirring for 5-10 min; adding 48 kg of mirror silver paste into the kettle, and keeping stirring for 10-20 min; adding 0.3 kg of adhesion promoter into the kettle, and keeping stirring for 5-10 min; and (3) adding 9.1 kg of the mixed solvent obtained in the step (1) into the kettle, and keeping stirring for 5-10 min to obtain the transfer printing mirror silver ink.
Example 5
(1) Adding 1.25 kg of butyl acetate, 1.25 kg of propylene glycol methyl ether acetate, 1.25 kg of ethylene glycol monobutyl ether and 1.25 kg of isophorone into a clean and dry 10L stirring kettle, starting the stirring kettle, controlling the rotating speed at 500-800 rpm, keeping for 5-10 min, stopping the stirring kettle, and discharging to obtain a mixed solvent for later use.
(2) Adding 30 kilograms of mirror resin into a clean and dry 120L stirring kettle, and starting the stirring kettle, wherein the rotating speed is controlled to be 500-800 rpm; then adding 0.3 kg of dispersing agent into the kettle, and keeping stirring for 5-10 min; adding 0.3 kg of wetting agent into the kettle, and keeping stirring for 5-10 min; adding 90 kg of mirror silver paste into the kettle, and keeping stirring for 10-20 min; adding 0.3 kg of adhesion promoter into the kettle, and keeping stirring for 5-10 min; and (3) adding 9.1 kg of the mixed solvent obtained in the step (1) into the kettle, and keeping stirring for 5-10 min to obtain the transfer printing mirror silver ink.
Example 6
(1) Adding 1.25 kg of butyl acetate, 1.25 kg of propylene glycol methyl ether acetate, 1.25 kg of ethylene glycol monobutyl ether and 1.25 kg of isophorone into a clean and dry 10L stirring kettle, starting the stirring kettle, controlling the rotating speed at 500-800 rpm, keeping for 5-10 min, stopping the stirring kettle, and discharging to obtain a mixed solvent for later use.
(2) Adding 90 kilograms of mirror resin into a clean and dry 120L stirring kettle, starting the stirring kettle, and controlling the rotating speed to be 500-800 rpm; then adding 0.3 kg of dispersing agent into the kettle, and keeping stirring for 5-10 min; adding 0.3 kg of wetting agent into the kettle, and keeping stirring for 5-10 min; adding 30 kg of mirror silver paste into the kettle, and keeping stirring for 10-20 min; adding 0.3 kg of adhesion promoter into the kettle, and keeping stirring for 5-10 min; and (3) adding 9.1 kg of the mixed solvent obtained in the step (1) into the kettle, and keeping stirring for 5-10 min to obtain the transfer printing mirror silver ink.
Comparative example 1
The amounts of the respective raw materials added and the operation were the same as in example 1 except that the mirror resin was a modified polyester acrylic resin having a molecular weight of 98000.
Comparative example 2
The amount of each raw material added and the operation procedure were the same as in example 1 except that the grain size of the mirror silver paste was 6 μm to 8 μm.
Application examples
The experimental conditions were as follows:
(1) processing equipment: full-automatic pad printing machine.
(2) Processing a product: 5cn 15cm 3D glass, the pad printing mirror silver ink provided by the embodiments 1-4 of the invention is suitable for tempered glass, and is specially suitable for mobile phone tempered glass.
(3) Processing time: 60 min; the curing agent with the proportion of 10 wt% is added into the finished product of the transfer printing mirror silver ink before transfer printing, and the finished product of the transfer printing mirror silver ink can be used after being fully stirred and cured for 5 min.
(4) Processing quantity: 400 PCS.
(5) Drying temperature: at 150 ℃.
(6) Drying time: and (3) 30 min.
Respectively carrying out full inspection on the appearances of 100PCS in each of the eight schemes (the pad printing mirror silver ink provided by the examples 1-6 and the comparative examples 1-2), and comparing the detection data of the rest 10 PCS; the results are shown in Table 1.
TABLE 1 appearance yield data and physical property test data of the pad printing mirror silver inks provided in examples 1 to 6 of the present invention and comparative examples 1 to 2
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The pad printing mirror silver ink is prepared from the following raw materials:
15-45 parts by weight of mirror resin;
15-45 parts of mirror-surface silver paste;
2-8 parts by weight of a mixed solvent;
0.05 to 0.5 weight part of dispersant;
0.05 to 0.5 weight portion of wetting agent;
0.1 to 1.0 weight part of adhesion promoter; the mirror resin is modified polyester acrylic resin; the molecular weight of the mirror resin is more than 100000, and the acid value is less than 3; the silver paste particle size distribution of the mirror surface silver paste is more than 90% between 4 and 6 mu m.
2. The pad printing specular silver ink of claim 1 wherein the mixed solvent comprises the following components:
10-25 wt% of butyl ester;
10-25 wt% of propylene glycol methyl ether acetate;
25-35 wt% of ethylene glycol monobutyl ether;
25 to 45 weight percent of isophorone.
3. The pad printing mirror silver ink according to claim 1, wherein the dispersant is a polyurethane type dispersant of AFCONA 4011.
4. The pad printing mirror silver ink according to claim 1, wherein the wetting agent is a polyoxyethylene alkylated ether-based polymer.
5. The pad printing mirror silver ink of claim 1, wherein the adhesion promoter is a modified polyester polymer compound.
6. The pad-printed specular silver ink of claim 1, wherein the pad-printed specular silver ink comprises:
21 to 25 parts by weight of mirror resin;
20-24 parts of mirror silver paste;
2-8 parts by weight of a mixed solvent;
0.05 to 0.5 weight part of dispersant;
0.05 to 0.5 weight portion of wetting agent;
0.1 to 1.0 weight portion of adhesion promoter.
7. A method for preparing the pad printing mirror surface silver ink of any one of claims 1 to 6, comprising the following steps:
and (3) sequentially adding a dispersing agent, a wetting agent, mirror silver paste, an adhesion promoter and a mixed solvent into the mirror resin, and uniformly mixing to obtain the transfer printing mirror silver ink.
8. A transfer printing method of toughened glass comprises the following steps:
uniformly mixing the ink and the curing agent, curing for 1-10 min, and performing pad printing treatment on the toughened glass to obtain toughened glass with a mirror surface effect;
the ink is the transfer printing mirror surface silver ink as set forth in any one of claims 1 to 6.
9. The pad printing method according to claim 8, wherein the curing agent is an isocyanate polymer of HDI type; the mass ratio of the curing agent to the printing ink is (9-11): 100.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110190034.1A CN112961538B (en) | 2021-02-18 | 2021-02-18 | Pad printing mirror silver ink and preparation method and application thereof |
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| CN101993629A (en) * | 2009-08-14 | 2011-03-30 | 比亚迪股份有限公司 | Transfer printing type ultraviolet light curing ink composition, preparation method thereof and mobile phone casing using ink composition |
| CN103579737B (en) * | 2012-07-20 | 2016-08-03 | 上海德门电子科技有限公司 | A kind of technique utilizing PIN feed point to manufacture printed antenna |
| WO2014069866A1 (en) * | 2012-10-31 | 2014-05-08 | 주식회사 동진쎄미켐 | Copper paste composition for printed electronics |
| CN104130624A (en) * | 2014-07-29 | 2014-11-05 | 金甲化工企业(中山)有限公司 | Water faded ink protection printing ink |
| MY175446A (en) * | 2015-01-27 | 2020-06-29 | Teikoku Printing Inks Mfg Co Ltd | Ink composition for high-quality/high-definition screen printing, printed matter produced by the screen printing ink composition, and method for producing the printed matter |
| CN107526459A (en) * | 2016-06-20 | 2017-12-29 | 蓝思科技股份有限公司 | The preparation method that touch screen function is realized using full silver paste pattern printing processing procedure |
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