CN108172436A - A kind of mobile phone side key panel and preparation method thereof - Google Patents
A kind of mobile phone side key panel and preparation method thereof Download PDFInfo
- Publication number
- CN108172436A CN108172436A CN201810082557.2A CN201810082557A CN108172436A CN 108172436 A CN108172436 A CN 108172436A CN 201810082557 A CN201810082557 A CN 201810082557A CN 108172436 A CN108172436 A CN 108172436A
- Authority
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- China
- Prior art keywords
- silicone rubber
- rubber substrate
- layer
- polytetrafluoroethylene
- mobile phone
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002360 preparation method Methods 0.000 title abstract description 4
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 57
- -1 polytetrafluoroethylene ethylene Polymers 0.000 claims abstract description 47
- 239000000758 substrate Substances 0.000 claims abstract description 42
- 239000004945 silicone rubber Substances 0.000 claims abstract description 40
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000853 adhesive Substances 0.000 claims abstract description 7
- 230000001070 adhesive effect Effects 0.000 claims abstract description 7
- 229920001971 elastomer Polymers 0.000 claims description 25
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 25
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 23
- 239000003795 chemical substances by application Substances 0.000 claims description 18
- 239000003292 glue Substances 0.000 claims description 18
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 15
- 229910052710 silicon Inorganic materials 0.000 claims description 10
- 239000010703 silicon Substances 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000007767 bonding agent Substances 0.000 claims description 5
- 238000010066 calendering (rubber) Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- 239000011863 silicon-based powder Substances 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 2
- 238000003490 calendering Methods 0.000 claims 1
- 238000007670 refining Methods 0.000 claims 1
- 239000002184 metal Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000003825 pressing Methods 0.000 abstract description 3
- 238000004898 kneading Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 150000001336 alkenes Chemical class 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 229920000260 silastic Polymers 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/14—Operating parts, e.g. push-button
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B25/08—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/20—Layered products comprising a layer of natural or synthetic rubber comprising silicone rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
- B32B27/322—Layered products comprising a layer of synthetic resin comprising polyolefins comprising halogenated polyolefins, e.g. PTFE
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B2038/0052—Other operations not otherwise provided for
- B32B2038/0076—Curing, vulcanising, cross-linking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/718—Weight, e.g. weight per square meter
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Laminated Bodies (AREA)
- Push-Button Switches (AREA)
Abstract
The invention discloses a kind of mobile phone side key panels and preparation method thereof, including silicone rubber substrate, the silicone rubber substrate surface is provided with protrusion protruding upward, polytetrafluoroethylene ethylene layer is provided in the silicone rubber substrate, the polytetrafluoroethylene ethylene layer shape is consistent with silicone rubber substrate shape, adhesive is provided between the polytetrafluoroethylene ethylene layer and silicone rubber substrate, the silicone rubber substrate thickness is 1.0mm 1.3mm, and the tetrafluoroethene layer thickness is 0.07 0.12mm.By setting polytetrafluoroethylene ethylene layer in silicone rubber substrate, polytetrafluoroethylene ethylene layer can play a supporting role, so as to instead of sheet metal, in addition corresponding protrusion is provided in silicone rubber substrate and polytetrafluoroethylene ethylene layer can play the function of pressing, pass through this structure, the application can by the thickness control of mobile phone side key panel in 1.5mm hereinafter, greatly reduce mobile phone side key panel thickness and cost of manufacture.
Description
Technical field
The present invention relates to mobile phone side key field, more particularly to a kind of mobile phone side key panel and preparation method thereof.
Background technology
Traditional mobile phone side key includes the side switch cap being set to outside mobile phone shell, and mobile phone side key panel is provided on the inside of keycap, when
When pressing keycap, mobile phone side key version is pressed down, so as to touch the sensor on the inside of mobile phone.
And the structure of existing mobile phone side key panel generally includes a rubber base plate, and sheet metal is set on rubber base plate,
And with the development of mobile phone, existing mobile phone increasingly pursues frivolous, user and is also required to the lower mobile phone of price, and traditional hand
Pusher side key version is more thick and heavy because of sheet metal is provided with, and cost is also higher, and the rubber base plate without filling sheet metal is again more soft
It is soft, the effect of support is not had, therefore how to design the mobile phone side key panel that a kind of cost of manufacture is lower, more frivolous is this
The problem of field urgent need to resolve.
Invention content
The technical problem to be solved by the present invention is to provide a kind of a kind of mobile phone side key panels more frivolous, cost is less expensive.
The technical solution adopted by the present invention to solve the technical problems is：A kind of mobile phone side key panel, including silicone rubber substrate,
The silicone rubber substrate surface is provided with protrusion protruding upward, and polytetrafluoroethylene ethylene layer, institute are provided in the silicone rubber substrate
It states polytetrafluoroethylene ethylene layer shape to be consistent with silicone rubber substrate shape, be set between the polytetrafluoroethylene ethylene layer and silicone rubber substrate
Adhesive is equipped with, the silicone rubber substrate thickness is 1.0mm-1.3mm, and the tetrafluoroethene layer thickness is 0.07-0.12mm.
By setting polytetrafluoroethylene ethylene layer in silicone rubber substrate, polytetrafluoroethylene ethylene layer can play a supporting role the application,
So as to which instead of sheet metal, corresponding protrusion is in addition provided in silicone rubber substrate and polytetrafluoroethylene ethylene layer can play the work(of pressing
Can, by this structure, the application can by the thickness control of mobile phone side key panel in 1.5mm hereinafter, greatly reducing mobile phone side
The thickness and cost of manufacture of keypad.
It is to provide a kind of method for making above-mentioned mobile phone side key panel as the technical issues of further solving of the invention.
The technical solution adopted by the present invention to solve the technical problems is：The method for making above-mentioned mobile phone side key panel, including
Following steps are mass percent with the percentage described in next step,
A, mixing rubber is specifically, add in silica gel 65%-75%, silicon powder 20%-30%, vulcanizing agent 4%-5% into
Row is kneaded,
B, roll, be specifically, by the rubber rubber calendering flakiness material after mixing,
C, rubber is sliced, and is specifically, and the sheet material rolled is cut into the size for being suitble to processing,
D, polytetrafluoroethylene (PTFE) is sliced, and is specifically to be cut into polytetrafluoroethylene (PTFE) and the suitable polytetrafluoro of rubber chip size
Pvdf layer,
E, it sprays, is specifically that, in a face sprayed glues of polytetrafluoroethylene ethylene layer, the glue composition includes, silicon modeling agent
77%-83%, bonding agent 8%-12%, accelerating agent 9%-11%
F, the tetrafluoroethene layer for being coated with glue is bonded with rubber layer,
G, sulfidization molding.
The application by compounding rubber by being first rolled into high resiliency body, then again by being coated with to ptfe surface
Silicon moulds glue of the agent as matrix resin, carries out sulfidization molding after polytetrafluoroethylene ethylene layer and silicone rubber substrate is compound, leads to
It crosses this mode and may be such that polytetrafluoroethylene (PTFE) good can be bonded in the surface of silicon rubber, so as to which the collection in the application be made
Side key panel.
The beneficial effects of the invention are as follows：The application is first bonded silicon rubber by using silicon modeling agent as the glue of matrix resin
Sulfidization molding is carried out again, so as to be made the polytetrafluoroethylene (PTFE) mobile phone side key panel that adhesive force is good, the mobile phone side key in the application
Plate structure is more frivolous, support cost is lower.
Description of the drawings
Fig. 1 is the layer structure schematic diagram of the application.
Fig. 2 is the process flow chart of the application.
In figure label for：Silicone rubber substrate 1, polytetrafluoroethylene ethylene layer 2.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and detailed description.
A kind of mobile phone side key panel including silicone rubber substrate 1, is provided with the protrusion of protrusion in the silicone rubber substrate 1, described
Polytetrafluoroethylene ethylene layer 2 fits in the surface of silicone rubber substrate 1 by adhesive, due to the thinner thickness of polytetrafluoroethylene ethylene layer 2,
Thickness is 0.07-0.12mm, therefore the shape and silicon on its surface behind the surface of fitting silicone rubber substrate 1 of polytetrafluoroethylene ethylene layer 2
1 surface shape of rubber substrate can be consistent, and silicon rubber can be also attached to when polytetrafluoroethylene ethylene layer 2 is fitted in silastic surface
On the protrusion on surface, corresponding protrusion is formed, 1 thickness of silicone rubber substrate is 1.0mm-1.5mm, the tetrafluoroethene thickness
It spends for 0.07-0.12mm.
By setting polytetrafluoroethylene ethylene layer 2 in silicone rubber substrate 1, polytetrafluoroethylene ethylene layer 2 can play support and make the application
With, so as to instead of sheet metal, be in addition provided in silicone rubber substrate 1 and polytetrafluoroethylene ethylene layer 2 corresponding protrusion can play by
The function of pressure, by this structure, the application can by the thickness control of mobile phone side key panel in 1.5mm hereinafter, greatly reducing
The thickness and cost of manufacture of mobile phone side key panel.
And during said mechanism is made, if simple is bonded in silicon by adhesive by polytetrafluoroethylene ethylene layer 2
The surface adhesion of rubber substrate 1 is poor, easily comes off, and can not be used as mobile phone side key panel, therefore on the basis of the above, this
Application additionally provides a kind of method for making above-mentioned mobile phone side key panel, includes the following steps, with the percentage described in next step
Than being mass percent,
A, mixing rubber is specifically to add in silica gel 65%-75%, silicon powder 20%-30%, vulcanizing agent 4%-5%,
It adds in kneading machine and is kneaded in the middle, obtain that there is elastomeric silicon rubber body,
B, roll, be specifically, by the rubber rubber calendering flakiness material after mixing, there will be elastomeric silicon rubber to lift into pressure
Prolong machine, be rolled into the thin slice of required shape, so as to obtain elastomeric silicon rubber thin slice,
C, rubber is sliced, and is specifically that the silicon rubber thin slice rolled is cut, it is made to be cut into what is be dimensioned for
Silicone rubber substrate 1,
D, polytetrafluoroethylene (PTFE) be sliced, be specifically, by thickness be 0.07-0.12mm polytetrafluoroethylene film cut into
The consistent polytetrafluoroethylene ethylene layer 2 of 1 size of silicone rubber substrate,
E, it sprays, is specifically that, in a face sprayed glues of polytetrafluoroethylene ethylene layer 2, the glue composition includes, silicon modeling agent
77%-83%, bonding agent 8%-12%, accelerating agent 9%-11%,
F, certain pressure is applied to the tetrafluoroethene layer for being coated with glue, it is made to be bonded with rubber layer,
G, the silicone rubber substrate 1 for being fitted with polytetrafluoroethylene ethylene layer 2 is put into baking oven, sulfidization molding.
The finished product that adhesive force is good is finally obtained by above-mentioned technical process.
In addition to being easy to understand, the application provides two kinds of specific embodiments.
Specific embodiment one
A, silica gel 65%, silicon powder 30%, vulcanizing agent 5% are added in, adds in kneading machine and is kneaded in the middle, had
Elastomeric silicon rubber body,
B, by the rubber rubber calendering flakiness material after mixing, there will be elastomeric silicon rubber to lift into calender, and be rolled into institute
The thin slice of shape is needed, so as to obtain elastomeric silicon rubber thin slice,
C, the silicon rubber thin slice rolled is cut, it is made to be cut into the silicone rubber substrate 1 being dimensioned for,
D, the polytetrafluoroethylene film that thickness is 0.07mm is cut into the polytetrafluoroethyl-ne consistent with 1 size of silicone rubber substrate
Alkene layer 2,
E, in a face sprayed glues of polytetrafluoroethylene ethylene layer 2, the glue composition includes, silicon modeling agent 77%, bonding agent
12%th, accelerating agent 11%,
F, certain pressure is applied to the tetrafluoroethene layer for being coated with glue, it is made to be bonded with rubber layer,
G, the silicone rubber substrate 1 for being fitted with polytetrafluoroethylene ethylene layer 2 is put into baking oven, sulfidization molding.
Specific embodiment two
A, silica gel 75%, silicon powder 21%, vulcanizing agent 4% are added in, adds in kneading machine and is kneaded in the middle, had
Elastomeric silicon rubber body,
B, by the rubber rubber calendering flakiness material after mixing, there will be elastomeric silicon rubber to lift into calender, and be rolled into institute
The thin slice of shape is needed, so as to obtain elastomeric silicon rubber thin slice,
C, the silicon rubber thin slice rolled is cut, it is made to be cut into the silicone rubber substrate 1 being dimensioned for,
D, the polytetrafluoroethylene film that thickness is 0.12mm is cut into the polytetrafluoroethyl-ne consistent with 1 size of silicone rubber substrate
Alkene layer 2,
E, it sprays, is specifically that, in a face sprayed glues of polytetrafluoroethylene ethylene layer 2, the glue composition includes, silicon modeling agent
83%th, bonding agent 8%, accelerating agent 9%,
F, certain pressure is applied to the tetrafluoroethene layer for being coated with glue, it is made to be bonded with rubber layer,
G, the silicone rubber substrate 1 for being fitted with polytetrafluoroethylene ethylene layer 2 is put into baking oven, sulfidization molding.
Compounding rubber is rolled into high resiliency body by the application by existing, then again by making to ptfe surface spraying
Agent is moulded as the glue of matrix resin by the use of silicon, and sulfidization molding finally is carried out to the silicon rubber for being compounded with polytetrafluoroethylene (PTFE), passes through this
Kind mode may be such that polytetrafluoroethylene (PTFE) good can be bonded in the surface of silicon rubber, so as to which the collection side switch in the application be made
Plate.
Particular embodiments described above has carried out the purpose of the present invention, technical solution and advantageous effect further in detail
It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the guarantor of the present invention
Within the scope of shield.
Claims (2)
1. a kind of mobile phone side key panel, it is characterised in that：Including silicone rubber substrate (1), silicone rubber substrate (1) surface is provided with
Protrusion protruding upward is provided with polytetrafluoroethylene ethylene layer (2), polytetrafluoroethylene ethylene layer (2) table on the silicone rubber substrate (1)
Face shape is consistent with silicone rubber substrate (1) shape, is set between the polytetrafluoroethylene ethylene layer (2) and silicone rubber substrate (1)
There is adhesive, silicone rubber substrate (1) thickness is 1.0mm-1.5mm, and the tetrafluoroethene layer thickness is 0.07-0.12mm.
2. make the method for mobile phone side key panel as described in claim 1, it is characterised in that：Include the following steps, following steps
Described in percentage be mass percent,
A, mixing rubber is specifically to add in silica gel 65%-75%, silicon powder 20%-30%, vulcanizing agent 4%-5% to be mixed
Refining, b, calendering be specifically, by the rubber rubber calendering flakiness material after mixing,
C, rubber is sliced, and is specifically, and the sheet material rolled is cut into the size for being suitble to processing,
D, polytetrafluoroethylene (PTFE) is sliced, and is specifically to be cut into polytetrafluoroethylene (PTFE) and the suitable polytetrafluoroethylene (PTFE) of rubber chip size
Layer (2),
E, it sprays, is specifically that, in a face sprayed glues of polytetrafluoroethylene ethylene layer (2), the glue composition includes, silicon modeling agent
77%-83%, bonding agent 8%-12%, accelerating agent 9%-11%,
F, the tetrafluoroethene layer for being coated with glue is bonded with rubber layer,
G, sulfidization molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810082557.2A CN108172436A (en) | 2018-01-29 | 2018-01-29 | A kind of mobile phone side key panel and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810082557.2A CN108172436A (en) | 2018-01-29 | 2018-01-29 | A kind of mobile phone side key panel and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108172436A true CN108172436A (en) | 2018-06-15 |
Family
ID=62515686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810082557.2A Pending CN108172436A (en) | 2018-01-29 | 2018-01-29 | A kind of mobile phone side key panel and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111516287A (en) * | 2020-06-01 | 2020-08-11 | 周锋杰 | Method for manufacturing expanded polytetrafluoroethylene plate |
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