CN110164728B - Preparation process of silica gel key with light-transmitting gradual-change scattering effect - Google Patents
Preparation process of silica gel key with light-transmitting gradual-change scattering effect Download PDFInfo
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- CN110164728B CN110164728B CN201910402061.3A CN201910402061A CN110164728B CN 110164728 B CN110164728 B CN 110164728B CN 201910402061 A CN201910402061 A CN 201910402061A CN 110164728 B CN110164728 B CN 110164728B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/007—After-treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/10—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
- B05D3/107—Post-treatment of applied coatings
- B05D3/108—Curing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/14—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by electrical means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/02—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/57—Three layers or more the last layer being a clear coat
- B05D7/576—Three layers or more the last layer being a clear coat each layer being cured, at least partially, separately
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/362—Laser etching
- B23K26/364—Laser etching for making a groove or trench, e.g. for scribing a break initiation groove
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
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Abstract
The invention relates to the technical field of electronic product accessories, in particular to a preparation process of a silica gel key with light-transmitting gradual-change scattering effect, which comprises the following steps: step one, oil pressure forming; step two, spraying black ink; step three, adding sulfur and curing; step four, CNC numerical control polishing; step five, flame treatment or discharge treatment; sixthly, spraying a silica gel primer; step seven, printing a gradient pattern; step eight, spraying yellow ink; step nine, laser engraving characters; step ten: spraying protective ink and curing by adding sulfur. The preparation process of the silica gel key with the light-transmitting gradual-change scattering effect can prepare the silica gel key with the light-transmitting gradual-change scattering effect through all the process steps and the printing process under the condition that the structure of the silica gel key is not changed, so that the product is exquisite in appearance and can attract the eyes of consumers.
Description
Technical Field
The invention relates to the technical field of electronic product accessories, in particular to a preparation process of a silica gel key with a light-transmitting gradual-change scattering effect.
Background
At present, with the development of science and technology, the application of electronic products is more and more extensive. In addition, as the demand of consumers is increasing, the consumers not only require the performance or function of the electronic products to meet the demand, but also have higher and higher requirements on the appearance of the electronic products. In practical application, the electronic product has exquisite appearance and is easy to attract more consumers.
Most of the prior art electronic products have a key switch. Wherein, the silica gel button is a commonly used one in the key switch. In order to pursue the aesthetic effect of the silicone key, people require that the silicone key not only can transmit light, but also can have the effect of gradual scattering. However, in the prior art, a preparation process of a product with a light-transmitting gradual-change scattering effect does not exist.
Disclosure of Invention
The invention aims to provide a preparation process of a silica gel key with a light-transmitting gradual-change scattering effect aiming at the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the preparation process of the silica gel key with the light-transmitting gradual-change scattering effect comprises the following steps:
step one, oil pressure forming: carrying out oil pressure forming on the silica gel key main body by utilizing a transparent silica gel material;
step two, spraying black ink: spraying black ink on the surface of the silica gel key body prepared in the step one;
step three, vulcanizing and curing: vulcanizing and curing the black ink sprayed in the second step, namely forming a layer of black ink layer on the surface of the silica gel key main body;
step four, CNC numerical control polishing: polishing off the black ink layer in the light-transmitting area of the silica gel key body by using a numerical control polishing machine;
step five, flame treatment or discharge treatment: after the fourth step is finished, performing flame treatment or discharge treatment on the black ink layer on the surface of the silica gel key main body;
step six, spraying a silica gel primer: after the fifth step is finished, spraying a layer of silica gel primer on the surface of the silica gel key main body, and vulcanizing and curing;
step seven, printing a gradient pattern: printing a gradient pattern on a light-transmitting area of the silica gel key body;
step eight, spraying yellow ink: after the seventh step is finished, spraying a layer of yellow ink on the surface of the silica gel key main body, and vulcanizing and curing;
step nine, laser engraving characters: laser etching characters on the yellow ink layer in the step eight to enable the character area to be transparent;
step ten: spraying protective ink and vulcanizing and curing: and after the ninth step is finished, spraying a layer of protective printing ink on the surface of the silica gel key body, and vulcanizing and curing.
In the above technical solution, in the second step, the viscosity of the black ink is 8.5 seconds/bucket to 10 seconds/bucket.
In the above technical scheme, in the third step, the temperature of the vulcanization and curing is 150-170 ℃, and the time of the vulcanization and curing is 20-40 min; the thickness of the black ink layer is 30-40 μm.
In the above technical scheme, in the fifth step, the temperature of the flame treatment is 110-130 ℃, and the time of the flame treatment is 2-3 s.
In the above technical scheme, in the sixth step, the thickness of the silica gel primer is 25 μm to 35 μm; the temperature of the vulcanizing and curing is 70-90 ℃, and the time of the vulcanizing and curing is 10-30 min.
In the above technical solution, in the seventh step, the gradient pattern is a circular gradient pattern; the effect of the gradual change pattern is the effect of middle light color and dark edge;
the printing mode is one of ink-jet printing, silk-screen printing, screen printing or laser etching.
In the above technical means, in the eighth step, the viscosity of the yellow ink is 8.5 to 10 seconds per bucket, and the thickness of the yellow ink is 30 to 40 μm.
In the above technical scheme, in the step eight, the temperature of the vulcanization and curing is 70-90 ℃, and the time of the vulcanization and curing is 10-30 min.
In the above technical solution, in the tenth step, the protective ink is polyurethane ink; the viscosity of the protective printing ink is 8-10 seconds per bucket; the thickness of the protective printing ink is 12-18 mu m.
In the above technical scheme, in the step ten, the temperature of the vulcanization and curing is 150 ℃ to 170 ℃, and the time of the vulcanization and curing is 50min to 70 min.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the preparation process of the silica gel key with the light-transmitting gradual-change scattering effect, the silica gel key with the light-transmitting gradual-change scattering effect can be prepared through all the process steps and the printing process under the condition that the structure of the silica gel key is not changed, so that the product is attractive in appearance and can attract the eyes of consumers.
(2) According to the preparation process of the silica gel key with the light-transmitting gradual-change scattering effect, provided by the invention, in the CNC numerical control polishing of the fourth step, the light-transmitting area is polished by the numerical control polishing machine, so that the problem of poor product appearance caused by steps generated by using a laser etching or spraying shielding process can be avoided.
(3) According to the preparation process of the silica gel key with the light-transmitting gradual-change scattering effect, the flame treatment or the discharge treatment in the fifth step can increase the surface energy and the adhesive force of the black ink layer on the surface of the silica gel key main body.
(4) The invention provides a preparation process of a silica gel key with a light-transmitting gradual-change scattering effect, which is used for testing various performances of the prepared silica gel key: adhesive force is more than or equal to 3B in a check test; testing at constant temperature and humidity: the product is continuously heated at the high temperature of 65 ℃ and the humidity of 90% for 88 hours, the appearance of the product has no bad phenomena of color change, cracking, deformation, paint removal and the like, and the hundred lattices are more than or equal to 3B; and thirdly, water boiling test: boiling in 100 ℃ boiling water for 15 minutes, wherein the surface coating has no deformation, no crack, no color change, no fading, no delamination, no bubbling and the like; fourthly, testing the cold and hot impact: the low temperature (minus 40 ℃) is 45 minutes, the high temperature (85 ℃) is 45 minutes, one cycle is formed, 27 cycles are totally formed, the continuous test is carried out for 40.5 hours, the appearance of the product has no bad phenomena such as color change, burst, deformation, paint removal and the like, and the hundred lattices are more than or equal to 3B; compression deformation test: after compression to 50% of the original thickness at 22 hours, 100 ℃ and then recovery for 24 hours at room temperature, the total deformation cannot exceed 15% of the original thickness.
(5) The preparation process of the silica gel key with the light-transmitting gradual-change scattering effect, provided by the invention, has the characteristics of simple process, low production cost and suitability for large-scale production.
Drawings
Fig. 1 is a diagram of a light-transmitting gradual-change scattering effect of a silica gel key manufactured by a manufacturing process of the silica gel key with the light-transmitting gradual-change scattering effect in a dark area.
Fig. 2 is a diagram of the light-transmitting gradual-change scattering effect of the silica gel key manufactured by the manufacturing process of the silica gel key with the light-transmitting gradual-change scattering effect in the daytime.
Fig. 3 is a flow chart of a manufacturing process of a silica gel key with a light-transmitting gradual-change scattering effect according to the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more apparent, the present invention is further described in detail below with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1.
A preparation process of a silica gel key with a light-transmitting gradual-change scattering effect comprises the following steps:
step one, oil pressure forming: carrying out oil pressure forming on the silica gel key main body by utilizing a transparent silica gel material;
step two, spraying black ink: spraying black ink on the surface of the silica gel key body prepared in the step one; in this example, the viscosity of the black ink was 9.25 seconds per bucket;
step three, vulcanizing and curing: vulcanizing and curing the black ink sprayed in the second step, namely forming a layer of black ink layer on the surface of the silica gel key main body; in the embodiment, the temperature of the vulcanizing and curing is 60 ℃, and the time of the vulcanizing and curing is 30 min; the thickness of the black ink layer is 35 mu m;
step four, CNC numerical control polishing: polishing off the black ink layer in the light-transmitting area of the silica gel key body by using a numerical control polishing machine;
step five, flame treatment: after the fourth step is finished, carrying out flame treatment on the black ink layer on the surface of the silica gel key main body; in this example, the temperature of the flame treatment was 120 ℃ and the time of the flame treatment was 2.5 seconds.
Step six, spraying a silica gel primer: after the fifth step is finished, spraying a layer of silica gel primer on the surface of the silica gel key main body, and vulcanizing and curing; wherein the silica gel primer is 383Y-type silica gel primer provided by Dongguan Ozel trade company Limited; in this example, the thickness of the silica gel primer was 30 μm; the temperature of the vulcanizing and curing is 80 ℃, and the time of the vulcanizing and curing is 20 min;
step seven, printing a gradient pattern: printing a circular gradient pattern on a light-transmitting area of the silica gel key body; wherein, the effect of the gradual change pattern is the effect of middle light color and dark edge; in this embodiment, the printing mode is inkjet printing;
step eight, spraying yellow ink: after the seventh step is finished, spraying a layer of yellow ink on the surface of the silica gel key main body, and vulcanizing and curing; in this example, the viscosity of the yellow ink was 9.25 seconds/bucket, and the thickness of the yellow ink was 35 μm; in the embodiment, the temperature of the vulcanizing and curing is 80 ℃, and the time of the vulcanizing and curing is 20 min;
step nine, laser engraving characters: laser etching characters on the yellow ink layer in the step eight to enable the character area to be transparent;
step ten: spraying protective ink and vulcanizing and curing: and after the ninth step is finished, spraying a layer of protective printing ink on the surface of the silica gel key body, and vulcanizing and curing. Wherein the protective ink is polyurethane ink; in this example, the viscosity of the protective ink was 9 seconds per bucket; the thickness of the protective ink was 15 μm. In this example, the temperature of vulcanization and curing was 160 ℃ and the time of vulcanization and curing was 60 min.
The light transmission gradient scattering effect diagram of the silica gel key prepared by the preparation process is shown in fig. 1 and fig. 2. The general flow chart of the preparation process is shown in FIG. 3.
Example 2.
A preparation process of a silica gel key with a light-transmitting gradual-change scattering effect comprises the following steps:
step one, oil pressure forming: carrying out oil pressure forming on the silica gel key main body by utilizing a transparent silica gel material;
step two, spraying black ink: spraying black ink on the surface of the silica gel key body prepared in the step one; in this example, the viscosity of the black ink was 8.5 seconds per bucket;
step three, vulcanizing and curing: vulcanizing and curing the black ink sprayed in the second step, namely forming a layer of black ink layer on the surface of the silica gel key main body; in the embodiment, the temperature of the vulcanizing and curing is 150 ℃, and the time of the vulcanizing and curing is 40 min; the thickness of the black ink layer is 30 mu m;
step four, CNC numerical control polishing: polishing off the black ink layer in the light-transmitting area of the silica gel key body by using a numerical control polishing machine;
step five, flame treatment: after the fourth step is finished, carrying out flame treatment on the black ink layer on the surface of the silica gel key main body; in this example, the temperature of the flame treatment was 110 ℃ and the time of the flame treatment was 3 seconds.
Step six, spraying a silica gel primer: after the fifth step is finished, spraying a layer of silica gel primer on the surface of the silica gel key main body, and vulcanizing and curing; wherein the silica gel primer is 383Y-type silica gel primer provided by Dongguan Ozel trade company Limited; in this example, the thickness of the silica gel primer was 25 μm; the temperature of the vulcanizing and curing is 70 ℃, and the time of the vulcanizing and curing is 30 min;
step seven, printing a gradient pattern: printing a circular gradient pattern on a light-transmitting area of the silica gel key body; wherein, the effect of the gradual change pattern is the effect of middle light color and dark edge; in this embodiment, the printing mode is silk-screen printing;
step eight, spraying yellow ink: after the seventh step is finished, spraying a layer of yellow ink on the surface of the silica gel key main body, and vulcanizing and curing; in this example, the viscosity of the yellow ink was 8.5 seconds/bucket, and the thickness of the yellow ink was 30 μm; in the embodiment, the temperature of the vulcanizing and curing is 70 ℃, and the time of the vulcanizing and curing is 30 min;
step nine, laser engraving characters: laser etching characters on the yellow ink layer in the step eight to enable the character area to be transparent;
step ten: spraying protective ink and vulcanizing and curing: and after the ninth step is finished, spraying a layer of protective printing ink on the surface of the silica gel key body, and vulcanizing and curing. Wherein the protective ink is polyurethane ink; in this example, the viscosity of the protective ink was 8 seconds per bucket; the thickness of the protective ink was 12 μm. In this example, the temperature of vulcanization and curing was 150 ℃ and the time of vulcanization and curing was 70 min.
The light transmission gradient scattering effect diagram of the silica gel key prepared by the preparation process is shown in fig. 1 and fig. 2. The general flow chart of the preparation process is shown in FIG. 3.
Example 3.
A preparation process of a silica gel key with a light-transmitting gradual-change scattering effect comprises the following steps:
step one, oil pressure forming: carrying out oil pressure forming on the silica gel key main body by utilizing a transparent silica gel material;
step two, spraying black ink: spraying black ink on the surface of the silica gel key body prepared in the step one; in this example, the viscosity of the black ink was 10 seconds per bucket;
step three, vulcanizing and curing: vulcanizing and curing the black ink sprayed in the second step, namely forming a layer of black ink layer on the surface of the silica gel key main body; in the embodiment, the temperature of the vulcanizing and curing is 170 ℃, and the time of the vulcanizing and curing is 20 min; the thickness of the black ink layer is 40 mu m;
step four, CNC numerical control polishing: polishing off the black ink layer in the light-transmitting area of the silica gel key body by using a numerical control polishing machine;
step five, flame treatment: after the fourth step is finished, carrying out flame treatment on the black ink layer on the surface of the silica gel key main body; in this example, the temperature of the flame treatment was 130 ℃ and the time of the flame treatment was 2 seconds.
Step six, spraying a silica gel primer: after the fifth step is finished, spraying a layer of silica gel primer on the surface of the silica gel key main body, and vulcanizing and curing; wherein the silica gel primer is 383Y-type silica gel primer provided by Dongguan Ozel trade company Limited; in this example, the thickness of the silica gel primer was 35 μm; the temperature of the vulcanizing and curing is 90 ℃, and the time of the vulcanizing and curing is 10 min;
step seven, printing a gradient pattern: printing a circular gradient pattern on a light-transmitting area of the silica gel key body; wherein, the effect of the gradual change pattern is the effect of middle light color and dark edge; in this embodiment, the printing mode is screen printing;
step eight, spraying yellow ink: after the seventh step is finished, spraying a layer of yellow ink on the surface of the silica gel key main body, and vulcanizing and curing; in this example, the viscosity of the yellow ink was 10 seconds/bucket, and the thickness of the yellow ink was 40 μm; in the embodiment, the temperature of the vulcanizing and curing is 90 ℃, and the time of the vulcanizing and curing is 10 min;
step nine, laser engraving characters: laser etching characters on the yellow ink layer in the step eight to enable the character area to be transparent;
step ten: spraying protective ink and vulcanizing and curing: and after the ninth step is finished, spraying a layer of protective printing ink on the surface of the silica gel key body, and vulcanizing and curing. Wherein the protective ink is polyurethane ink; in this example, the viscosity of the protective ink was 10 seconds per bucket; the thickness of the protective ink was 18 μm. In this example, the temperature of vulcanization and curing was 170 ℃ and the time of vulcanization and curing was 50 min.
The light transmission gradient scattering effect diagram of the silica gel key prepared by the preparation process is shown in fig. 1 and fig. 2. The general flow chart of the preparation process is shown in FIG. 3.
Example 4.
A preparation process of a silica gel key with a light-transmitting gradual-change scattering effect comprises the following steps:
step one, oil pressure forming: carrying out oil pressure forming on the silica gel key main body by utilizing a transparent silica gel material;
step two, spraying black ink: spraying black ink on the surface of the silica gel key body prepared in the step one; in this example, the viscosity of the black ink was 8.8 seconds per bucket;
step three, vulcanizing and curing: vulcanizing and curing the black ink sprayed in the second step, namely forming a layer of black ink layer on the surface of the silica gel key main body; in the embodiment, the temperature of the vulcanizing and curing is 155 ℃, and the time of the vulcanizing and curing is 35 min; the thickness of the black ink layer is 32 mu m;
step four, CNC numerical control polishing: polishing off the black ink layer in the light-transmitting area of the silica gel key body by using a numerical control polishing machine;
step five, discharge treatment: after the fourth step is completed, performing discharge treatment on the black ink layer on the surface of the silica gel key main body;
step six, spraying a silica gel primer: after the fifth step is finished, spraying a layer of silica gel primer on the surface of the silica gel key main body, and vulcanizing and curing; wherein the silica gel primer is 383Y-type silica gel primer provided by Dongguan Ozel trade company Limited; in this example, the thickness of the silica gel primer was 28 μm; the temperature of the vulcanizing and curing is 75 ℃, and the time of the vulcanizing and curing is 15 min;
step seven, printing a gradient pattern: printing a circular gradient pattern on a light-transmitting area of the silica gel key body; wherein, the effect of the gradual change pattern is the effect of middle light color and dark edge; in this embodiment, the printing mode is laser etching;
step eight, spraying yellow ink: after the seventh step is finished, spraying a layer of yellow ink on the surface of the silica gel key main body, and vulcanizing and curing; in this example, the viscosity of the yellow ink was 9.7 seconds/bucket, and the thickness of the yellow ink was 32 μm; in the embodiment, the temperature of the vulcanizing and curing is 85 ℃, and the time of the vulcanizing and curing is 15 min;
step nine, laser engraving characters: laser etching characters on the yellow ink layer in the step eight to enable the character area to be transparent;
step ten: spraying protective ink and vulcanizing and curing: and after the ninth step is finished, spraying a layer of protective printing ink on the surface of the silica gel key body, and vulcanizing and curing. Wherein the protective ink is polyurethane ink; in this example, the viscosity of the protective ink was 8.5 seconds per bucket; the thickness of the protective ink was 14 μm. In this example, the temperature of vulcanization and curing was 155 ℃ and the time of vulcanization and curing was 65 min.
The light transmission gradient scattering effect diagram of the silica gel key prepared by the preparation process is shown in fig. 1 and fig. 2. The general flow chart of the preparation process is shown in FIG. 3.
Example 5.
A preparation process of a silica gel key with a light-transmitting gradual-change scattering effect comprises the following steps:
step one, oil pressure forming: carrying out oil pressure forming on the silica gel key main body by utilizing a transparent silica gel material;
step two, spraying black ink: spraying black ink on the surface of the silica gel key body prepared in the step one; in this example, the viscosity of the black ink was 9.7 seconds per bucket;
step three, vulcanizing and curing: vulcanizing and curing the black ink sprayed in the second step, namely forming a layer of black ink layer on the surface of the silica gel key main body; in the embodiment, the temperature of the vulcanizing and curing is 165 ℃, and the time of the vulcanizing and curing is 25 min; the thickness of the black ink layer is 38 mu m;
step four, CNC numerical control polishing: polishing off the black ink layer in the light-transmitting area of the silica gel key body by using a numerical control polishing machine;
step five, flame treatment: after the fourth step is finished, carrying out flame treatment on the black ink layer on the surface of the silica gel key main body; in this example, the temperature of the flame treatment was 120 ℃ and the time of the flame treatment was 2.5 seconds.
Step six, spraying a silica gel primer: after the fifth step is finished, spraying a layer of silica gel primer on the surface of the silica gel key main body, and vulcanizing and curing; wherein the silica gel primer is 383Y-type silica gel primer provided by Dongguan Ozel trade company Limited; in this example, the thickness of the silica gel primer was 32 μm; the temperature of the vulcanizing and curing is 85 ℃, and the time of the vulcanizing and curing is 15 min;
step seven, printing a gradient pattern: printing a circular gradient pattern on a light-transmitting area of the silica gel key body; wherein, the effect of the gradual change pattern is the effect of middle light color and dark edge; in this embodiment, the printing mode is inkjet printing;
step eight, spraying yellow ink: after the seventh step is finished, spraying a layer of yellow ink on the surface of the silica gel key main body, and vulcanizing and curing; in this example, the viscosity of the yellow ink was 9.7 seconds/bucket, and the thickness of the yellow ink was 38 μm; in the embodiment, the temperature of the vulcanizing and curing is 85 ℃, and the time of the vulcanizing and curing is 15 min;
step nine, laser engraving characters: laser etching characters on the yellow ink layer in the step eight to enable the character area to be transparent;
step ten: spraying protective ink and vulcanizing and curing: and after the ninth step is finished, spraying a layer of protective printing ink on the surface of the silica gel key body, and vulcanizing and curing. Wherein the protective ink is polyurethane ink; in this example, the viscosity of the protective ink was 9.5 seconds per bucket; the thickness of the protective ink was 17 μm. In this example, the temperature for vulcanization and curing was 165 ℃ and the time for vulcanization and curing was 55 min.
The light transmission gradient scattering effect diagram of the silica gel key prepared by the preparation process is shown in fig. 1 and fig. 2. The general flow chart of the preparation process is shown in FIG. 3.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (8)
1. A preparation process of a silica gel key with a light-transmitting gradual-change scattering effect is characterized by comprising the following steps: it comprises the following steps:
step one, oil pressure forming: carrying out oil pressure forming on the silica gel key main body by utilizing a transparent silica gel material;
step two, spraying black ink: spraying black ink on the surface of the silica gel key body prepared in the step one;
step three, vulcanizing and curing: vulcanizing and curing the black ink sprayed in the second step, namely forming a layer of black ink layer on the surface of the silica gel key main body, wherein the vulcanizing and curing temperature is 150-170 ℃, and the vulcanizing and curing time is 20-40 min;
step four, CNC numerical control polishing: polishing off the black ink layer in the light-transmitting area of the silica gel key body by using a numerical control polishing machine;
step five, flame treatment or discharge treatment: after the fourth step is finished, performing flame treatment or discharge treatment on the black ink layer on the surface of the silica gel key main body;
step six, spraying a silica gel primer: after the fifth step is finished, spraying a layer of silica gel primer on the surface of the silica gel key main body, and carrying out vulcanization curing, wherein the vulcanization curing temperature is 70-90 ℃, and the vulcanization curing time is 10-30 min;
step seven, printing a gradient pattern: printing a gradient pattern on a light-transmitting area of the silica gel key body;
step eight, spraying yellow ink: after the seventh step is finished, spraying a layer of yellow ink on the surface of the silica gel key main body, and carrying out vulcanization curing, wherein the vulcanization curing temperature is 70-90 ℃, and the vulcanization curing time is 10-30 min;
step nine, laser engraving characters: laser etching characters on the yellow ink layer in the step eight to enable the character area to be transparent;
step ten: spraying protective ink and vulcanizing and curing: and after the ninth step is finished, spraying a layer of protective printing ink on the surface of the silica gel key main body, and carrying out vulcanization curing at the temperature of 150-170 ℃ for 50-70 min.
2. The preparation process of the silica gel key with the light-transmitting gradual-change scattering effect according to claim 1, characterized in that: in the second step, the viscosity of the black ink is 8.5-10 seconds per bucket.
3. The preparation process of the silica gel key with the light-transmitting gradual-change scattering effect according to claim 1, characterized in that: in the third step, the thickness of the black ink layer is 30-40 μm.
4. The preparation process of the silica gel key with the light-transmitting gradual-change scattering effect according to claim 1, characterized in that: in the fifth step, the temperature of the flame treatment is 110-130 ℃, and the time of the flame treatment is 2-3 s.
5. The preparation process of the silica gel key with the light-transmitting gradual-change scattering effect according to claim 1, characterized in that: in the sixth step, the thickness of the silica gel primer is 25-35 μm.
6. The preparation process of the silica gel key with the light-transmitting gradual-change scattering effect according to claim 1, characterized in that: in the seventh step, the gradient pattern is a circular gradient pattern; the effect of the gradual change pattern is the effect of middle light color and dark edge;
the printing mode is one of ink-jet printing, silk-screen printing, screen printing or laser etching.
7. The preparation process of the silica gel key with the light-transmitting gradual-change scattering effect according to claim 1, characterized in that: in the eighth step, the viscosity of the yellow ink is 8.5 to 10 seconds per bucket, and the thickness of the yellow ink is 30 to 40 μm.
8. The preparation process of the silica gel key with the light-transmitting gradual-change scattering effect according to claim 1, characterized in that: in the tenth step, the protective ink is polyurethane ink; the viscosity of the protective printing ink is 8-10 seconds per bucket; the thickness of the protective printing ink is 12-18 mu m.
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| CN113022178A (en) * | 2021-03-12 | 2021-06-25 | 东莞万德电子制品有限公司 | Silica gel four-color printing process |
| CN114220683B (en) * | 2021-10-29 | 2023-08-15 | 兴科电子(东莞)有限公司 | Preparation process of sound key with invisible aperture effect |
| CN114773652B (en) * | 2022-03-23 | 2023-07-18 | 深圳市粤强佳俊实业有限公司 | Silica gel key with light-transmitting gradual-change scattering effect and preparation process thereof |
| CN115536888B (en) * | 2022-10-25 | 2023-10-20 | 兴科电子(东莞)有限公司 | Preparation process of silica gel key with light-transmitting gradual-change scattering effect |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101552817A (en) * | 2009-05-06 | 2009-10-07 | 深圳市根源硅胶有限公司 | Mobile telephone keyboard and its production process |
| CN101923981A (en) * | 2010-07-30 | 2010-12-22 | 深圳市根源硅胶有限公司 | Manufacture method of keyboard capable of displaying fancy patterns |
| CN102097228A (en) * | 2009-12-10 | 2011-06-15 | 富士康(昆山)电脑接插件有限公司 | Key panel and manufacturing method thereof |
| CN102231339A (en) * | 2011-06-09 | 2011-11-02 | 昆山鼎硕电子科技有限公司 | Color-changing key and manufacturing method thereof |
| CN102801838A (en) * | 2011-05-24 | 2012-11-28 | 比亚迪股份有限公司 | Mobile phone key and manufacturing process thereof |
| CN103587269A (en) * | 2013-11-18 | 2014-02-19 | 湖北久瑞核技术股份有限公司 | Tire sidewall colored pattern processing method and production line thereof |
| CN106945301A (en) * | 2017-03-01 | 2017-07-14 | 兴科电子(东莞)有限公司 | A kind of preparation technology of the mobile phone protective cover of Logo and button and silica shell three color shaping |
| CN207870488U (en) * | 2017-12-29 | 2018-09-18 | 兴科电子(东莞)有限公司 | A kind of silica gel cell-phone cover of color printing pattern |
| WO2018172466A1 (en) * | 2017-03-23 | 2018-09-27 | Cherry Gmbh | Method and device for marking a key cap for a key module for a keyboard, key cap comprising a marking, key device, and keyboard comprising a key cap |
| CN109357193A (en) * | 2018-09-28 | 2019-02-19 | 浙江吉利汽车研究院有限公司 | A kind of atmosphere lamp and atmosphere lamp production method |
-
2019
- 2019-05-15 CN CN201910402061.3A patent/CN110164728B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101552817A (en) * | 2009-05-06 | 2009-10-07 | 深圳市根源硅胶有限公司 | Mobile telephone keyboard and its production process |
| CN102097228A (en) * | 2009-12-10 | 2011-06-15 | 富士康(昆山)电脑接插件有限公司 | Key panel and manufacturing method thereof |
| CN101923981A (en) * | 2010-07-30 | 2010-12-22 | 深圳市根源硅胶有限公司 | Manufacture method of keyboard capable of displaying fancy patterns |
| CN102801838A (en) * | 2011-05-24 | 2012-11-28 | 比亚迪股份有限公司 | Mobile phone key and manufacturing process thereof |
| CN102231339A (en) * | 2011-06-09 | 2011-11-02 | 昆山鼎硕电子科技有限公司 | Color-changing key and manufacturing method thereof |
| CN103587269A (en) * | 2013-11-18 | 2014-02-19 | 湖北久瑞核技术股份有限公司 | Tire sidewall colored pattern processing method and production line thereof |
| CN106945301A (en) * | 2017-03-01 | 2017-07-14 | 兴科电子(东莞)有限公司 | A kind of preparation technology of the mobile phone protective cover of Logo and button and silica shell three color shaping |
| WO2018172466A1 (en) * | 2017-03-23 | 2018-09-27 | Cherry Gmbh | Method and device for marking a key cap for a key module for a keyboard, key cap comprising a marking, key device, and keyboard comprising a key cap |
| CN207870488U (en) * | 2017-12-29 | 2018-09-18 | 兴科电子(东莞)有限公司 | A kind of silica gel cell-phone cover of color printing pattern |
| CN109357193A (en) * | 2018-09-28 | 2019-02-19 | 浙江吉利汽车研究院有限公司 | A kind of atmosphere lamp and atmosphere lamp production method |
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