CN110164728A - A kind of preparation process of the silica gel push-button with light transmission gradual change dispersion effect - Google Patents
A kind of preparation process of the silica gel push-button with light transmission gradual change dispersion effect Download PDFInfo
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- CN110164728A CN110164728A CN201910402061.3A CN201910402061A CN110164728A CN 110164728 A CN110164728 A CN 110164728A CN 201910402061 A CN201910402061 A CN 201910402061A CN 110164728 A CN110164728 A CN 110164728A
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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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Optics & Photonics (AREA)
- Physics & Mathematics (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Switches (AREA)
- Ink Jet (AREA)
Abstract
The present invention relates to electronic product accessory technical fields, and in particular to a kind of preparation process of the silica gel push-button with light transmission gradual change dispersion effect, comprising the following steps: Step 1: oil pressure forms；Step 2: spraying black ink；Step 3: plus sulfur curable；Step 4: CNC numerical control is polished；Step 5: flame treatment or discharge treatment；Step 6: silicone spray silane coupling agent；Step 7: printing gradient pattern；Step 8: spraying Yellow ink；Step 9: laser carving character；Step 10: sprayed protection ink simultaneously adds sulfur curable.The preparation process of the silica gel push-button with light transmission gradual change dispersion effect, it can be in the case where not changing the structure of silica gel push-button, the silica gel push-button with light transmission gradual change dispersion effect is prepared by each processing step and printing technology, so that the exquisite appearance of product, can more attract the eyeball of consumer.
Description
Technical field
The present invention relates to electronic product accessory technical fields, and in particular to a kind of silica gel with light transmission gradual change dispersion effect
The preparation process of key.
Background technique
Currently, with the development of science and technology, electronic product using more and more extensive.In addition, not with consumer demand
Disconnected to increase, consumer not only requires the performance of electronic product or function meets needs, and to the appearance requirement of electronic product
Also higher and higher.In practical application, the exquisite appearance of electronic product is also easy to attract more consumers.
It is most in electronic product in the prior art that there is key switch.Wherein, silica gel push-button is commonly used in key switch
One kind.In order to pursue the aesthetic effect of silica gel push-button, people require silica gel push-button to be not only able to light transmission, and can have gradually
Become the effect of scattering.However, in the prior art, there are no the preparation processes of the product of light transmission gradual change dispersion effect.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of silica gel with light transmission gradual change dispersion effect
The preparation process of key.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of preparation process of silica gel push-button with light transmission gradual change dispersion effect is provided, it the following steps are included:
Step 1: oil pressure forms: carrying out oil pressure using transparent silica gel material and form silica gel push-button main body；
Step 2: spraying black ink: spraying black ink to the surface of silica gel push-button main body made from step 1；
Step 3: plus sulfur curable: the black ink sprayed to step 2 carries out plus sulfur curable, i.e., in silica gel push-button main body
Surface formed one layer of black ink layer；
Step 4: CNC numerical control is polished: using numerical control sander by the black ink layer of the transmission region of silica gel push-button main body
It polishes off；
Step 5: flame treatment or discharge treatment: after completing step 4, to the black ink layer of silica gel push-button body surfaces
Carry out flame treatment or discharge treatment；
Step 6: silicone spray silane coupling agent: after completing step 5, spraying one layer of silica gel bottom on the surface of silica gel push-button main body
Paint, and carry out adding sulfur curable；
Step 7: printing gradient pattern: printing gradient pattern in the transmission region of silica gel push-button main body；
Step 8: spraying Yellow ink: after completing step 7, spraying one layer of yellow oil on the surface of silica gel push-button main body
Ink, and carry out adding sulfur curable；
Step 9: laser carving character: the laser carving character in the yellow oil layer of ink of step 8, so that character zone light transmission；
Step 10: sprayed protection ink simultaneously adds sulfur curable: after completing step 9, spraying one on the surface of silica gel push-button main body
Layer protection ink, and carry out adding sulfur curable.
In above-mentioned technical proposal, in the step 2, the viscosity of the black ink is 8.5 seconds/bucket~10 seconds/bucket.
In above-mentioned technical proposal, in the step 3, described plus sulfur curable temperature is 150 DEG C~170 DEG C, described plus sulphur
The cured time is 20min~40min；The black ink layer with a thickness of 30 μm~40 μm.
In above-mentioned technical proposal, in the step 5, the temperature of the flame treatment is 110 DEG C~130 DEG C, the flame
The time of processing is 2s~3s.
In above-mentioned technical proposal, in the step 6, the silica gel silane coupling agent with a thickness of 25 μm~35 μm；Described plus sulphur
Cured temperature is 70 DEG C~90 DEG C, and described plus sulfur curable time is 10min~30min.
In above-mentioned technical proposal, in the step 7, the gradient pattern is circular gradient pattern；The gradient pattern
Effect be intermediate light border dark color effect；
The mode of the printing is one of inkjet printing, silk-screen, wire mark or laser carving.
In above-mentioned technical proposal, in the step 8, the viscosity of the Yellow ink is 8.5 seconds/bucket~10 seconds/bucket,
The Yellow ink with a thickness of 30 μm~40 μm.
In above-mentioned technical proposal, in the step 8, described plus sulfur curable temperature is 70 DEG C~90 DEG C, and described plus sulphur is solid
The time of change is 10min~30min.
In above-mentioned technical proposal, in the step 10, the protection ink is polyurethane ink；The protection ink glues
Degree is~10 seconds/bucket of 8 seconds/bucket；It is described protection ink with a thickness of 12 μm~18 μm.
In above-mentioned technical proposal, in the step 10, described plus sulfur curable temperature is 150 DEG C~170 DEG C, described plus sulphur
The cured time is 50min~70min.
Compared with prior art, beneficial effect is the present invention:
(1) preparation process of a kind of silica gel push-button with light transmission gradual change dispersion effect provided by the invention, can be not
In the case where the structure for changing silica gel push-button, prepares to scatter with light transmission gradual change by each processing step and printing technology and imitate
The silica gel push-button of fruit, so that the exquisite appearance of product, can more attract the eyeball of consumer.
(2) preparation process of a kind of silica gel push-button with light transmission gradual change dispersion effect provided by the invention, step 4
It in CNC numerical control polishing, is polished by numerical control sander transmission region, can be avoided using laser carving or hides pressure spray process generation
Step cause the bad problem of product appearance.
(3) preparation process of a kind of silica gel push-button with light transmission gradual change dispersion effect provided by the invention, step 5
Flame treatment or discharge treatment can increase black ink layer in the surface of silica gel push-button body surfaces energy and adhesive force.
(4) preparation process of a kind of silica gel push-button with light transmission gradual change dispersion effect provided by the invention, to obtained
Silica gel push-button carried out the test of each performance: 1. hundred lattice test of adhesive force >=3B；2. constant temperature and humidity is tested: 65 DEG C of high temperature, wet
Degree 90%, 88 hours laser heatings, product appearance without discoloration, without explosion, without deformation, without bad phenomenons such as depaintings and hundred lattice >=
3B；3. boiling is tested: being boiled in 100 DEG C of boiling water 15 minutes, surface covering fades without deformation, crack-free, without discoloration, nothing, nothing is divided
Layer, without blistering phenomena such as；4. cooling thermal impact is tested: low temperature (- 40 DEG C) 45 minutes, high temperature (85 DEG C) 45 minutes are a circulation,
Totally 27 times circulation, 40.5 hours continuance tests, product appearance without discoloration, without explosion, without deformation, without the bad phenomenons such as depainting and hundred
Lattice >=3B；5. compressive deformation is tested: under the conditions of 22 hours, 100 DEG C, being compressed to after the 50% of original thickness, then in room
Temperature is lower to be restored 24 hours, 15% of total deformation no more than original thickness.
(5) preparation process of a kind of silica gel push-button with light transmission gradual change dispersion effect provided by the invention has technique
Simply, production cost is low, and can be suitable for the characteristics of being mass produced.
Detailed description of the invention
Fig. 1 is the obtained silicon of the preparation process of silica gel push-button with light transmission gradual change dispersion effect of the invention a kind of
Light transmission gradual change dispersion effect figure of the glue key at dark space.
Fig. 2 is the obtained silicon of the preparation process of silica gel push-button with light transmission gradual change dispersion effect of the invention a kind of
Light transmission gradual change dispersion effect figure of the glue key at daytime.
Fig. 3 is the flow chart of the preparation process of silica gel push-button with light transmission gradual change dispersion effect of the invention a kind of.
Specific embodiment
In order to which the technical problems, technical solutions and beneficial effects solved by the present invention is more clearly understood, below in conjunction with
Embodiment, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only to explain this
Invention, is not intended to limit the present invention.
Embodiment 1.
A kind of preparation process of the silica gel push-button with light transmission gradual change dispersion effect, it the following steps are included:
Step 1: oil pressure forms: carrying out oil pressure using transparent silica gel material and form silica gel push-button main body；
Step 2: spraying black ink: spraying black ink to the surface of silica gel push-button main body made from step 1；This reality
It applies in example, the viscosity of black ink is 9.25 seconds/bucket；
Step 3: plus sulfur curable: the black ink sprayed to step 2 carries out plus sulfur curable, i.e., in silica gel push-button main body
Surface formed one layer of black ink layer；In the present embodiment, adding the temperature of sulfur curable is 60 DEG C, adds the time of sulfur curable to be
30min；Black ink layer with a thickness of 35 μm；
Step 4: CNC numerical control is polished: using numerical control sander by the black ink layer of the transmission region of silica gel push-button main body
It polishes off；
Step 5: flame treatment: after completing step 4, being carried out at flame to the black ink layer of silica gel push-button body surfaces
Reason；In the present embodiment, the temperature of flame treatment is 120 DEG C, and the time of flame treatment is 2.5s.
Step 6: silicone spray silane coupling agent: after completing step 5, spraying one layer of silica gel bottom on the surface of silica gel push-button main body
Paint, and carry out adding sulfur curable；Wherein, which is the model 383Y's that Ao Ce trade Co., Ltd in Dongguan provides
Silica gel silane coupling agent；In the present embodiment, silica gel silane coupling agent with a thickness of 30 μm；The temperature for adding sulfur curable is 80 DEG C, adds sulfur curable
Time is 20min；
Step 7: printing gradient pattern: printing circular gradient pattern in the transmission region of silica gel push-button main body；Wherein,
The effect of gradient pattern is the effect of intermediate light border dark color；In the present embodiment, the mode of printing is inkjet printing；
Step 8: spraying Yellow ink: after completing step 7, spraying one layer of yellow oil on the surface of silica gel push-button main body
Ink, and carry out adding sulfur curable；In the present embodiment, the viscosity of Yellow ink is 9.25 seconds/bucket, Yellow ink with a thickness of 35 μ
m；In the present embodiment, adding the temperature of sulfur curable is 80 DEG C, and adding the time of sulfur curable is 20min；
Step 9: laser carving character: the laser carving character in the yellow oil layer of ink of step 8, so that character zone light transmission；
Step 10: sprayed protection ink simultaneously adds sulfur curable: after completing step 9, spraying one on the surface of silica gel push-button main body
Layer protection ink, and carry out adding sulfur curable.Wherein, protection ink is polyurethane ink；In the present embodiment, the viscosity of ink is protected
For 9 seconds/bucket；Protect ink with a thickness of 15 μm.In the present embodiment, adding the temperature of sulfur curable is 160 DEG C, adds the time of sulfur curable
For 60min.
Wherein, the light transmission gradual change dispersion effect figure of the obtained silica gel push-button of preparation process, see Fig. 1 and Fig. 2.The system
The standby rough flow chart of technique is see Fig. 3.
Embodiment 2.
A kind of preparation process of the silica gel push-button with light transmission gradual change dispersion effect, it the following steps are included:
Step 1: oil pressure forms: carrying out oil pressure using transparent silica gel material and form silica gel push-button main body；
Step 2: spraying black ink: spraying black ink to the surface of silica gel push-button main body made from step 1；This reality
It applies in example, the viscosity of black ink is 8.5 seconds/bucket；
Step 3: plus sulfur curable: the black ink sprayed to step 2 carries out plus sulfur curable, i.e., in silica gel push-button main body
Surface formed one layer of black ink layer；In the present embodiment, adding the temperature of sulfur curable is 150 DEG C, adds the time of sulfur curable to be
40min；Black ink layer with a thickness of 30 μm；
Step 4: CNC numerical control is polished: using numerical control sander by the black ink layer of the transmission region of silica gel push-button main body
It polishes off；
Step 5: flame treatment: after completing step 4, being carried out at flame to the black ink layer of silica gel push-button body surfaces
Reason；In the present embodiment, the temperature of flame treatment is 110 DEG C, and the time of flame treatment is 3s.
Step 6: silicone spray silane coupling agent: after completing step 5, spraying one layer of silica gel bottom on the surface of silica gel push-button main body
Paint, and carry out adding sulfur curable；Wherein, which is the model 383Y's that Ao Ce trade Co., Ltd in Dongguan provides
Silica gel silane coupling agent；In the present embodiment, silica gel silane coupling agent with a thickness of 25 μm；The temperature for adding sulfur curable is 70 DEG C, adds sulfur curable
Time is 30min；
Step 7: printing gradient pattern: printing circular gradient pattern in the transmission region of silica gel push-button main body；Wherein,
The effect of gradient pattern is the effect of intermediate light border dark color；In the present embodiment, the mode of printing is silk-screen；
Step 8: spraying Yellow ink: after completing step 7, spraying one layer of yellow oil on the surface of silica gel push-button main body
Ink, and carry out adding sulfur curable；In the present embodiment, the viscosity of Yellow ink is 8.5 seconds/bucket, Yellow ink with a thickness of 30 μm；
In the present embodiment, adding the temperature of sulfur curable is 70 DEG C, and adding the time of sulfur curable is 30min；
Step 9: laser carving character: the laser carving character in the yellow oil layer of ink of step 8, so that character zone light transmission；
Step 10: sprayed protection ink simultaneously adds sulfur curable: after completing step 9, spraying one on the surface of silica gel push-button main body
Layer protection ink, and carry out adding sulfur curable.Wherein, protection ink is polyurethane ink；In the present embodiment, the viscosity of ink is protected
For 8 seconds/bucket；Protect ink with a thickness of 12 μm.In the present embodiment, adding the temperature of sulfur curable is 150 DEG C, adds the time of sulfur curable
For 70min.
Wherein, the light transmission gradual change dispersion effect figure of the obtained silica gel push-button of preparation process, see Fig. 1 and Fig. 2.The system
The standby rough flow chart of technique is see Fig. 3.
Embodiment 3.
A kind of preparation process of the silica gel push-button with light transmission gradual change dispersion effect, it the following steps are included:
Step 1: oil pressure forms: carrying out oil pressure using transparent silica gel material and form silica gel push-button main body；
Step 2: spraying black ink: spraying black ink to the surface of silica gel push-button main body made from step 1；This reality
It applies in example, the viscosity of black ink is 10 seconds/bucket；
Step 3: plus sulfur curable: the black ink sprayed to step 2 carries out plus sulfur curable, i.e., in silica gel push-button main body
Surface formed one layer of black ink layer；In the present embodiment, adding the temperature of sulfur curable is 170 DEG C, adds the time of sulfur curable to be
20min；Black ink layer with a thickness of 40 μm；
Step 4: CNC numerical control is polished: using numerical control sander by the black ink layer of the transmission region of silica gel push-button main body
It polishes off；
Step 5: flame treatment: after completing step 4, being carried out at flame to the black ink layer of silica gel push-button body surfaces
Reason；In the present embodiment, the temperature of flame treatment is 130 DEG C, and the time of flame treatment is 2s.
Step 6: silicone spray silane coupling agent: after completing step 5, spraying one layer of silica gel bottom on the surface of silica gel push-button main body
Paint, and carry out adding sulfur curable；Wherein, which is the model 383Y's that Ao Ce trade Co., Ltd in Dongguan provides
Silica gel silane coupling agent；In the present embodiment, silica gel silane coupling agent with a thickness of 35 μm；The temperature for adding sulfur curable is 90 DEG C, adds sulfur curable
Time is 10min；
Step 7: printing gradient pattern: printing circular gradient pattern in the transmission region of silica gel push-button main body；Wherein,
The effect of gradient pattern is the effect of intermediate light border dark color；In the present embodiment, the mode of printing is wire mark；
Step 8: spraying Yellow ink: after completing step 7, spraying one layer of yellow oil on the surface of silica gel push-button main body
Ink, and carry out adding sulfur curable；In the present embodiment, the viscosity of Yellow ink is 10 seconds/bucket, Yellow ink with a thickness of 40 μm；
In the present embodiment, adding the temperature of sulfur curable is 90 DEG C, and adding the time of sulfur curable is 10min；
Step 9: laser carving character: the laser carving character in the yellow oil layer of ink of step 8, so that character zone light transmission；
Step 10: sprayed protection ink simultaneously adds sulfur curable: after completing step 9, spraying one on the surface of silica gel push-button main body
Layer protection ink, and carry out adding sulfur curable.Wherein, protection ink is polyurethane ink；In the present embodiment, the viscosity of ink is protected
For 10 seconds/bucket；Protect ink with a thickness of 18 μm.In the present embodiment, add sulfur curable temperature be 170 DEG C, add sulfur curable when
Between be 50min.
Wherein, the light transmission gradual change dispersion effect figure of the obtained silica gel push-button of preparation process, see Fig. 1 and Fig. 2.The system
The standby rough flow chart of technique is see Fig. 3.
Embodiment 4.
A kind of preparation process of the silica gel push-button with light transmission gradual change dispersion effect, it the following steps are included:
Step 1: oil pressure forms: carrying out oil pressure using transparent silica gel material and form silica gel push-button main body；
Step 2: spraying black ink: spraying black ink to the surface of silica gel push-button main body made from step 1；This reality
It applies in example, the viscosity of black ink is 8.8 seconds/bucket；
Step 3: plus sulfur curable: the black ink sprayed to step 2 carries out plus sulfur curable, i.e., in silica gel push-button main body
Surface formed one layer of black ink layer；In the present embodiment, adding the temperature of sulfur curable is 155 DEG C, adds the time of sulfur curable to be
35min；Black ink layer with a thickness of 32 μm；
Step 4: CNC numerical control is polished: using numerical control sander by the black ink layer of the transmission region of silica gel push-button main body
It polishes off；
Step 5: discharge treatment: after completing step 4, being carried out at electric discharge to the black ink layer of silica gel push-button body surfaces
Reason；
Step 6: silicone spray silane coupling agent: after completing step 5, spraying one layer of silica gel bottom on the surface of silica gel push-button main body
Paint, and carry out adding sulfur curable；Wherein, which is the model 383Y's that Ao Ce trade Co., Ltd in Dongguan provides
Silica gel silane coupling agent；In the present embodiment, silica gel silane coupling agent with a thickness of 28 μm；The temperature for adding sulfur curable is 75 DEG C, adds sulfur curable
Time is 15min；
Step 7: printing gradient pattern: printing circular gradient pattern in the transmission region of silica gel push-button main body；Wherein,
The effect of gradient pattern is the effect of intermediate light border dark color；In the present embodiment, the mode of printing is laser carving；
Step 8: spraying Yellow ink: after completing step 7, spraying one layer of yellow oil on the surface of silica gel push-button main body
Ink, and carry out adding sulfur curable；In the present embodiment, the viscosity of Yellow ink is 9.7 seconds/bucket, Yellow ink with a thickness of 32 μm；
In the present embodiment, adding the temperature of sulfur curable is 85 DEG C, and adding the time of sulfur curable is 15min；
Step 9: laser carving character: the laser carving character in the yellow oil layer of ink of step 8, so that character zone light transmission；
Step 10: sprayed protection ink simultaneously adds sulfur curable: after completing step 9, spraying one on the surface of silica gel push-button main body
Layer protection ink, and carry out adding sulfur curable.Wherein, protection ink is polyurethane ink；In the present embodiment, the viscosity of ink is protected
For 8.5 seconds/bucket；Protect ink with a thickness of 14 μm.In the present embodiment, add sulfur curable temperature be 155 DEG C, add sulfur curable when
Between be 65min.
Wherein, the light transmission gradual change dispersion effect figure of the obtained silica gel push-button of preparation process, see Fig. 1 and Fig. 2.The system
The standby rough flow chart of technique is see Fig. 3.
Embodiment 5.
A kind of preparation process of the silica gel push-button with light transmission gradual change dispersion effect, it the following steps are included:
Step 1: oil pressure forms: carrying out oil pressure using transparent silica gel material and form silica gel push-button main body；
Step 2: spraying black ink: spraying black ink to the surface of silica gel push-button main body made from step 1；This reality
It applies in example, the viscosity of black ink is 9.7 seconds/bucket；
Step 3: plus sulfur curable: the black ink sprayed to step 2 carries out plus sulfur curable, i.e., in silica gel push-button main body
Surface formed one layer of black ink layer；In the present embodiment, adding the temperature of sulfur curable is 165 DEG C, adds the time of sulfur curable to be
25min；Black ink layer with a thickness of 38 μm；
Step 4: CNC numerical control is polished: using numerical control sander by the black ink layer of the transmission region of silica gel push-button main body
It polishes off；
Step 5: flame treatment: after completing step 4, being carried out at flame to the black ink layer of silica gel push-button body surfaces
Reason；In the present embodiment, the temperature of flame treatment is 120 DEG C, and the time of flame treatment is 2.5s.
Step 6: silicone spray silane coupling agent: after completing step 5, spraying one layer of silica gel bottom on the surface of silica gel push-button main body
Paint, and carry out adding sulfur curable；Wherein, which is the model 383Y's that Ao Ce trade Co., Ltd in Dongguan provides
Silica gel silane coupling agent；In the present embodiment, silica gel silane coupling agent with a thickness of 32 μm；The temperature for adding sulfur curable is 85 DEG C, adds sulfur curable
Time is 15min；
Step 7: printing gradient pattern: printing circular gradient pattern in the transmission region of silica gel push-button main body；Wherein,
The effect of gradient pattern is the effect of intermediate light border dark color；In the present embodiment, the mode of printing is inkjet printing；
Step 8: spraying Yellow ink: after completing step 7, spraying one layer of yellow oil on the surface of silica gel push-button main body
Ink, and carry out adding sulfur curable；In the present embodiment, the viscosity of Yellow ink is 9.7 seconds/bucket, Yellow ink with a thickness of 38 μm；
In the present embodiment, adding the temperature of sulfur curable is 85 DEG C, and adding the time of sulfur curable is 15min；
Step 9: laser carving character: the laser carving character in the yellow oil layer of ink of step 8, so that character zone light transmission；
Step 10: sprayed protection ink simultaneously adds sulfur curable: after completing step 9, spraying one on the surface of silica gel push-button main body
Layer protection ink, and carry out adding sulfur curable.Wherein, protection ink is polyurethane ink；In the present embodiment, the viscosity of ink is protected
For 9.5 seconds/bucket；Protect ink with a thickness of 17 μm.In the present embodiment, add sulfur curable temperature be 165 DEG C, add sulfur curable when
Between be 55min.
Wherein, the light transmission gradual change dispersion effect figure of the obtained silica gel push-button of preparation process, see Fig. 1 and Fig. 2.The system
The standby rough flow chart of technique is see Fig. 3.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of range is protected, although explaining in detail referring to preferred embodiment to the present invention, those skilled in the art are answered
Work as understanding, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (10)
1. a kind of preparation process of the silica gel push-button with light transmission gradual change dispersion effect, it is characterised in that: it the following steps are included:
Step 1: oil pressure forms: carrying out oil pressure using transparent silica gel material and form silica gel push-button main body；
Step 2: spraying black ink: spraying black ink to the surface of silica gel push-button main body made from step 1；
Step 3: plus sulfur curable: the black ink sprayed to step 2 carries out plus sulfur curable, i.e. the table in silica gel push-button main body
Face forms one layer of black ink layer；
Step 4: CNC numerical control is polished: the black ink layer of the transmission region of silica gel push-button main body being polished using numerical control sander
Fall；
Step 5: flame treatment or discharge treatment: after completing step 4, being carried out to the black ink layer of silica gel push-button body surfaces
Flame treatment or discharge treatment；
Step 6: silicone spray silane coupling agent: after completing step 5, spraying one layer of silica gel primary coat on the surface of silica gel push-button main body
Agent, and carry out adding sulfur curable；
Step 7: printing gradient pattern: printing gradient pattern in the transmission region of silica gel push-button main body；
Step 8: spraying Yellow ink: after completing step 7, one layer of Yellow ink is sprayed on the surface of silica gel push-button main body, and
It carries out adding sulfur curable；
Step 9: laser carving character: the laser carving character in the yellow oil layer of ink of step 8, so that character zone light transmission；
Step 10: sprayed protection ink simultaneously adds sulfur curable: after completing step 9, spraying one layer of guarantor on the surface of silica gel push-button main body
Ink is protected, and carries out adding sulfur curable.
2. a kind of preparation process of silica gel push-button with light transmission gradual change dispersion effect according to claim 1, feature
Be: in the step 2, the viscosity of the black ink is 8.5 seconds/bucket~10 seconds/bucket.
3. a kind of preparation process of silica gel push-button with light transmission gradual change dispersion effect according to claim 1, feature
Be: in the step 3, described plus sulfur curable temperature is 150 DEG C~170 DEG C, and described plus sulfur curable time is 20min
~40min；The black ink layer with a thickness of 30 μm~40 μm.
4. a kind of preparation process of silica gel push-button with light transmission gradual change dispersion effect according to claim 1, feature
Be: in the step 5, the temperature of the flame treatment is 110 DEG C~130 DEG C, the time of the flame treatment be 2s~
3s。
5. a kind of preparation process of silica gel push-button with light transmission gradual change dispersion effect according to claim 1, feature
Be: in the step 6, the silica gel silane coupling agent with a thickness of 25 μm~35 μm；The temperature of described plus sulfur curable is 70 DEG C~
90 DEG C, described plus sulfur curable time is 10min~30min.
6. a kind of preparation process of silica gel push-button with light transmission gradual change dispersion effect according to claim 1, feature
Be: in the step 7, the gradient pattern is circular gradient pattern；The effect of the gradient pattern is intermediate light side
The effect of edge dark color；
The mode of the printing is one of inkjet printing, silk-screen, wire mark or laser carving.
7. a kind of preparation process of silica gel push-button with light transmission gradual change dispersion effect according to claim 1, feature
Be: in the step 8, the viscosity of the Yellow ink is 8.5 seconds/bucket~10 seconds/bucket, the thickness of the Yellow ink
It is 30 μm~40 μm.
8. a kind of preparation process of silica gel push-button with light transmission gradual change dispersion effect according to claim 1, feature
Be: in the step 8, the temperature of described plus sulfur curable is 70 DEG C~90 DEG C, described plus sulfur curable time be 10min~
30min。
9. a kind of preparation process of silica gel push-button with light transmission gradual change dispersion effect according to claim 1, feature
Be: in the step 10, the protection ink is polyurethane ink；It is described protection ink viscosity be 8 seconds/bucket~10 seconds/
Bucket；It is described protection ink with a thickness of 12 μm~18 μm.
10. a kind of preparation process of silica gel push-button with light transmission gradual change dispersion effect according to claim 1, feature
Be: in the step 10, described plus sulfur curable temperature is 150 DEG C~170 DEG C, and described plus sulfur curable time is 50min
~70min.
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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 |
| CN114220683A (en) * | 2021-10-29 | 2022-03-22 | 兴科电子(东莞)有限公司 | Preparation process of sound box key with invisible aperture effect |
| CN114773652A (en) * | 2022-03-23 | 2022-07-22 | 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 |
| CN115536888A (en) * | 2022-10-25 | 2022-12-30 | 兴科电子(东莞)有限公司 | Preparation process of silica gel key with light-transmitting gradual-change scattering effect |
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