CN108373885A - A kind of waterproof antiallergy backlight silica gel keyboard material and preparation method thereof - Google Patents
A kind of waterproof antiallergy backlight silica gel keyboard material and preparation method thereof Download PDFInfo
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- CN108373885A CN108373885A CN201610894704.7A CN201610894704A CN108373885A CN 108373885 A CN108373885 A CN 108373885A CN 201610894704 A CN201610894704 A CN 201610894704A CN 108373885 A CN108373885 A CN 108373885A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/12—Polysiloxanes containing silicon bound to hydrogen
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/20—Polysiloxanes containing silicon bound to unsaturated aliphatic groups
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2475/00—Presence of polyurethane
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Abstract
This application discloses a kind of waterproof antiallergy backlight silica gel keyboard materials and preparation method thereof, it includes from top to bottom sequentially connected decorative pattern layer, body layer, photic zone and adhesive linkage, by manufacturing multiple and different sizing materials respectively, vulcanization solidification one by one, it is coated next sizing material, multilayered structure, then radium-shine character are formed, that is, completes the making of the application.The waterproof antiallergy backlight silica gel keyboard material of the application has multilayered structure; easy processing simple in structure carries buffer effect while ensureing user's comfortable feel, protects keyboard; and the waterproof antiallergy backlight silica gel keyboard material of the application is not easy to be stained, while realizing backlight effect.
Description
Technical field
The application belongs to electronic product accessory technical field, specifically, being related to a kind of waterproof antiallergy backlight silica gel
Keyboard material and preparation method thereof.
Background technology
As people's requirement lightening to electronic product more gradually improves, tablet computer is gradually popularized, and is needed more frivolous
Comfortable mobile keyboard is matching, and numerous frivolous mobile keyboards has occurred in market, they mostly use greatly fabrics or PU films are made
It for strip of paper used for sealing, has a single function, there are easy pickup, the stiff defect of feel in when use, and is not easy to realize the backlight function of light.
Invention content
In order to solve the above-mentioned technical problem, this application discloses a kind of waterproof antiallergy backlight silica gel keyboard material, by
Sequentially connected decorative pattern layer, body layer, photic zone and adhesive linkage under, wherein decorative pattern layer include that 60~70 parts of vinyl is poly-
Siloxanes, 1~10 part of hydrogen containing siloxane, 20~30 parts of filler, 0~20 part of mill base, the catalysis of 0.01~1 part of platinum group
Agent and 0.001~0.1 part of inhibitor；Body layer and photic zone respectively include 70~80 parts vinyl polysiloxane, 1~5
Part hydrogen containing siloxane, 15~25 parts of filler, 0~20 part of mill base, 0.01~1 part of platinum group catalyst and 0.001~
0.1 part of inhibitor, number are parts by weight.
According to the embodiment of the application, the vinyl polysiloxane of above-mentioned decorative pattern layer is vinyl silicone oil, viscosity
For the centistoke of 5000 centistokes~20000, vinyl mass fraction is 0.5%~5%.
According to the embodiment of the application, aforementioned body layer and euphotic vinyl polysiloxane are 5000 lis of viscosity
This~20000 centistoke vinyl-terminated silicone fluid.
According to the embodiment of the application, above-mentioned filler is fume colloidal silica, precipitated silica, silicones, silicon
It is one or more in micro mist, calcium carbonate, aluminosilicate, silicon bath soil, aluminium hydroxide, magnesium hydroxide and titanium dioxide.
According to the embodiment of the application, above-mentioned platinum group catalyst is isopropyl alcohol solution of chloroplatinic acid, chloroplatinic acid tetrahydrochysene furan
It mutters solution, chloroplatinic acid-divinyl tetramethyl disiloxane complex or chloroplatinic acid -1,3,5,7- tetravinyls -1,3,5,7-
Tetramethyl-cyclotetrasiloxane complex, the wherein content of Pt atoms are 100ppm~500000ppm.
According to the embodiment of the application, above-mentioned inhibitor is methyl butynol, ethynylcyclohexanol, the horse containing alkynyl
Carry out rich maleic acid sour or derivatives thereof, containing alkynyl or derivatives thereof, more vinyl polysiloxanes, pyridine, unsaturated amides, have
Machine phosphorus or phosphite ester.
The application further discloses a kind of production method of waterproof antiallergy backlight silica gel keyboard material, including following step
Suddenly：
By 60~70 parts of vinyl polysiloxane, 1~10 part of hydrogen containing siloxane, 20~30 parts of filler, 0~20
The first sizing material is made in the mill base, 0.01~1 part of platinum group catalyst and 0.001~0.1 part of inhibitor mixed of part；
First blend glue stuff is coated in release paper, and toasts 3 minutes~20 points in the drying tunnel at 80 DEG C~150 DEG C
Clock, the first rubber vulcanization form decorative pattern layer；
By 70~80 parts of vinyl polysiloxane, 1~5 part of hydrogen containing siloxane, 15~25 parts of filler, 0~20
The second sizing material is made in the mill base, 0.01~1 part of platinum group catalyst and 0.001~0.1 part of inhibitor mixed of part；
Second sizing material is coated on to the surface of the decorative pattern layer, and toasted in the drying tunnel at 80 DEG C~150 DEG C 3 minutes~
20 minutes, the second rubber vulcanization formed body layer；
By 70~80 parts of vinyl polysiloxane, 1~5 part of hydrogen containing siloxane, 15~25 parts of filler, 0~20
The mill base, 0.01~1 part of platinum group catalyst, 0.001~0.1 part of inhibitor and luminescent powder mixing of part, are made third sizing material；
Third sizing material is coated on to the surface of the body layer, adhesive linkage is pasted then at third sizing material surface, is placed in 80 DEG C
It is toasted 3 minutes~20 minutes in drying tunnel at~150 DEG C, third rubber vulcanization forms photic zone, and semi-finished product are made；
After semi-finished product are cooled down, the release paper is removed, exposes decorative pattern layer；
Radium-shine decorative pattern layer and body layer, obtain finished product.
According to the embodiment of the application, the thickness of above-mentioned decorative pattern layer is 0.01mm~0.05mm, the thickness of body layer
For 0.03mm~0.1mm, euphotic thickness is 0.05mm~0.15mm.
According to the embodiment of the application, above-mentioned adhesive linkage is TPU.
There is the waterproof antiallergy backlight silica gel keyboard material of the application multilayered structure, easy processing simple in structure to protect
Buffer effect is carried while demonstrate,proving user's comfortable feel, protects keyboard, and the waterproof antiallergy backlight silica gel keys of the application
Disk material is not easy to be stained, while realizing backlight effect.
Description of the drawings
Attached drawing described herein is used for providing further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please do not constitute the improper restriction to the application for explaining the application.In the accompanying drawings：
Fig. 1 is the schematic diagram of the waterproof antiallergy backlight silica gel keyboard material of the embodiment of the application.
Fig. 2 is the production flow diagram of the waterproof antiallergy backlight silica gel keyboard material of the embodiment of the application.
Specific implementation mode
Multiple embodiments of the application will be disclosed with schema below, as clearly stated, the details on many material objects
It will be explained in the following description.It should be appreciated, however, that the details on these material objects is not applied to limit the application.Also
It is to say, in some embodiments of the application, the details in these practices is non-essential.In addition, for the sake of simplifying schema,
Some known usual structures will be painted it in a manner of simply illustrative in the drawings with component.
About its " first " used herein, " second " etc., the meaning of order or cis-position is not especially censured, also non-use
The component described with same technique term just for the sake of difference with limiting the application or operation.
The application provides a kind of waterproof antiallergy backlight silica gel keyboard material, referring to Fig. 1, it is the reality of the application
Apply the schematic diagram of the waterproof antiallergy backlight silica gel keyboard material of mode；As shown, the waterproof antiallergy backlight of the application
Type silica gel keyboard material includes from top to bottom sequentially connected decorative pattern layer 1, body layer 2, photic zone 3 and adhesive linkage 4.Wherein decorative pattern
Layer include 60~70 parts of vinyl polysiloxane, 1~10 part of hydrogen containing siloxane, 20~30 parts of filler, 0~20 part
Mill base, 0.01~1 part of platinum group catalyst and 0.001~0.1 part of inhibitor；Body layer 2 and photic zone 3 respectively include 70~
80 parts of vinyl polysiloxane, 1~5 part of hydrogen containing siloxane, 15~25 parts of filler, 0~20 part of mill base, 0.01~
1 part of platinum group catalyst and 0.001~0.1 part of inhibitor, i.e. body layer 2 are identical with the ingredient of photic zone 3, and number is attached most importance to
Measure number.
Further, the vinyl polysiloxane of decorative pattern layer 1 is vinyl silicone oil, and viscosity is 5000 centistoke~20000
Centistoke, vinyl mass fraction are 0.5%~5%, it is preferable that vinyl silicone oil is vinyl-terminated silicone fluid.That is decorative pattern layer 1 and master
Vinyl polysiloxane contained in body layer 2 and photic zone 3 is different.Filler is fume colloidal silica, precipitated silica, silicon tree
It is one or more in fat, silicon powder, calcium carbonate, aluminosilicate, silicon bath soil, aluminium hydroxide, magnesium hydroxide and titanium dioxide
Mixing；Platinum group catalyst is isopropyl alcohol solution of chloroplatinic acid, chloroplatinic acid tetrahydrofuran solution, chloroplatinic acid-divinyl tetramethyl two
Siloxane complex or chloroplatinic acid -1,3,5,7- tetravinyls -1,3,5,7- tetramethyls-cyclotetrasiloxane complex, wherein Pt
The content of atom is 100ppm~500000ppm；Inhibitor is methyl butynol, ethynylcyclohexanol, the maleic acid containing alkynyl
Or derivatives thereof, rich maleic acid containing alkynyl or derivatives thereof, more vinyl polysiloxanes, pyridine, unsaturated amides, organophosphor
Or phosphite ester.
The production method of the waterproof antiallergy backlight silica gel keyboard material of following the description the application, referring to Fig. 2, it is
The production flow diagram of the waterproof antiallergy backlight silica gel keyboard material of the embodiment of the application；As shown, first, holding
Row step S1, by 60~70 parts of vinyl polysiloxane, 1~10 part of hydrogen containing siloxane, 20~30 parts of filler, 0~
The first sizing material is made in 20 parts of mill base, 0.01~1 part of platinum group catalyst and 0.001~0.1 part of inhibitor mixed；Then
Step S2 is executed, the first blend glue stuff is coated in release paper, and coating thickness is 0.01mm~0.05mm, is placed in 80 DEG C~150
It is toasted 3 minutes~20 minutes in drying tunnel at DEG C so that the first rubber vulcanization forms decorative pattern layer 1；Then step S3 is executed, by 70
~80 parts of vinyl polysiloxane, 1~5 part of hydrogen containing siloxane, 15~25 parts of filler, 0~20 part of mill base, 0.01
The second sizing material is made in~1 part of platinum group catalyst and 0.001~0.1 part of inhibitor mixed；Step S4 is executed, by the second glue
Material is coated on the surface of decorative pattern layer, and coating thickness is 0.03mm~0.1mm, and 3 are toasted in the drying tunnel being placed at 80 DEG C~150 DEG C
Minute~20 minutes, the second rubber vulcanization forms body layer 2；Step S5 is executed, by 70~80 parts of vinyl polysiloxane, 1
~5 parts of hydrogen containing siloxane, 15~25 parts of filler, 0~20 part of mill base, 0.01~1 part of platinum group catalyst, 0.001
~0.1 part of inhibitor and luminescent powder mixing, is made third sizing material, the wherein color of the mill base in third sizing material and the second sizing material
In mill base color it is different；Execute step S6, third sizing material be coated on to the surface of body layer, coating thickness be 0.05mm~
0.15mm pastes adhesive linkage 4 then at third sizing material surface, and adhesive linkage 4 is TPU, is placed in together in the drying tunnel at 80 DEG C~150 DEG C
Baking 3 minutes~20 minutes, third rubber vulcanization form photic zone 3, and semi-finished product, the wherein color and main body of photic zone 3 are made
Both the color of layer 2 is different, i.e., under the premise of ingredient is identical, distinguished by color；Step S7 is executed, semi-finished product are cooled down
Afterwards, release paper is removed, decorative pattern layer 1 is exposed；Step S8, radium-shine decorative pattern layer 1 and body layer 2 are executed, finished product is obtained, due to the application
Waterproof antiallergy backlight silica gel keyboard material be covered on surface of keyboard in practical application, by decorative pattern layer 1 and main body
Layer 2 it is radium-shine go out character corresponding with keyboard.Finally by the TPU of caking layer 4, make it by thermal softening, directly pastes
It is overlying on surface of keyboard, that is, completes being used in combination for the application and keyboard.
When carrying out radium-shine operation, radium-shine depth is more than the overall thickness of decorative pattern layer 1 and body layer 2, when keyboard itself
When lamp luminescence, light can penetrate photic zone 3, then be appeared from the position where the character of body layer 2 and decorative pattern layer 1, to
It shows character, realizes backlight effect.Meanwhile in dark environment, the luminescent powder in photic zone 3 can also shine, it is same real
Existing backlight effect, sees character clearly convenient for human eye.
The application is described in detail with reference to embodiment.
Embodiment 1
Execute step S1, by 70 parts of viscosity are 10000 centistokes, vinyl mass fraction is 1% vinyl silicone oil, 6 parts
Containing hydrogen silicone oil that hydrogen content is 0.75%, 20 parts of precipitated silicas, the platinum group that the content of 0.3 part of Pt atom is 3000PPM are urged
Agent and 0.03 part of ethynylcyclohexanol mixing, are made the first sizing material；Then execute step S2, the first blend glue stuff be coated on from
On type paper, coating thickness 0.05mm is placed in the drying tunnel at 80 DEG C and toasts 10 minutes so that the first rubber vulcanization forms decorative pattern
Layer 1；Then it executes step S3, by 80 parts of viscosity is the vinyl-terminated silicone fluid of 10000 centistokes, 3 parts of hydrogen contents are 0.45% to contain
Hydrogen silicone oil, 15 parts of fume colloidal silica, 10 parts of black slurries, the platinum group catalyst that the content of 0.03 part of Pt atom is 30000 and
0.02 part of ethynylcyclohexanol mixing, is made the second sizing material；Step S4 is executed, the second sizing material is coated on to the table of decorative pattern layer 1
Face, coating thickness 0.1mm are placed in the drying tunnel at 80 DEG C and toast 10 minutes, and the second rubber vulcanization forms body layer 2；It holds
Row step S5, by 80 parts of viscosity are the vinyl-terminated silicone fluid of 10000 centistokes, 3 parts of hydrogen contents are 0.45% containing hydrogen silicone oil, 15 parts
Fume colloidal silica, 3 parts of stock whites, 0.03 part of Pt atom content be 30000 platinum group catalyst, 0.02 part of acetenyl
Cyclohexanol and luminescent powder are mixed to prepare third sizing material, the wherein color of the mill base in third sizing material and the mill base in the second sizing material
Color is different；Step S6 is executed, third sizing material is coated on to the surface of body layer 2, coating thickness 0.05mm, then at third glue
Material surface pastes adhesive linkage 4, and adhesive linkage 4 is TPU, and the thickness of adhesive linkage 4 is 0.1mm, is dried in the drying tunnel being placed in together at 120 DEG C
5 minutes roasting, third rubber vulcanization forms photic zone 3, and semi-finished product are made；Step S7 is executed, after semi-finished product are cooled down, stripping is release
Paper exposes decorative pattern layer 1；Step S8 is executed, is according to the radium-shine decorative pattern layer 1 of the shape of character and body layer 2, radium-shine depth
0.16mm obtains finished product.
Embodiment 2
Execute step S1, by 60 parts of viscosity are 5000 centistokes, vinyl mass fraction is 0.5% vinyl silicone oil, 4 parts
Containing hydrogen silicone oil that hydrogen content is 1%, 30 parts of precipitated silicas, 0.01 part of Pt atom content be 30000PPM platinum group catalysis
Agent and 0.01 part of ethynylcyclohexanol mixing, are made the first sizing material；Then step S2 is executed, the first blend glue stuff is coated on release
On paper, coating thickness 0.01mm is placed in the drying tunnel at 150 DEG C and toasts 3 minutes so that the first rubber vulcanization forms decorative pattern layer
1；Then step S3 is executed, by the Silicon Containing Hydrogen that 70 parts of viscosity are the vinyl-terminated silicone fluid of 20000 centistokes, 3 parts of hydrogen contents are 0.1%
Oil, 25 parts of fume colloidal silica, 10 parts of grey mill bases, 0.02 part of Pt atom content be 3000 platinum group catalyst and 0.01 part
Ethynylcyclohexanol mixing, be made the second sizing material；Step S4 is executed, the second sizing material is coated on to the surface of decorative pattern layer, is coated with
Thickness is 0.03mm, is placed in the drying tunnel at 150 DEG C and toasts 3 minutes, and the second rubber vulcanization forms body layer 2；Execute step
S5, by 70 parts of viscosity are the vinyl-terminated silicone fluid of 20000 centistokes, 3 parts of hydrogen contents are 0.1% containing hydrogen silicone oil, 25 parts of gas phase
Method white carbon, 3 parts of stock whites, 0.02 part of Pt atom content be 3000 platinum group catalyst, 0.01 part of ethynylcyclohexanol
And luminescent powder mixing, third sizing material, the wherein color of the color of the mill base in third sizing material and the mill base in the second sizing material is made
It is different；Step S6 is executed, third sizing material is coated on to the surface of body layer 2, coating thickness 0.1mm, then at third sizing material table
Face paste covers adhesive linkage 4, and adhesive linkage 4 is TPU, and the thickness of adhesive linkage 4 is 0.1mm, and 5 are toasted in the drying tunnel being placed in together at 120 DEG C
Minute, third rubber vulcanization forms photic zone 3, and semi-finished product are made；Step S7 is executed, after semi-finished product are cooled down, removes release paper,
Expose decorative pattern layer 1；Step S8 is executed, according to the radium-shine decorative pattern layer 1 of the shape of character and body layer 2, radium-shine depth is 0.05mm, is obtained
To finished product.
Embodiment 3
Execute step S1, by 65 parts of viscosity are 20000 centistokes, vinyl mass fraction is 5% vinyl silicone oil, 10 parts
Containing hydrogen silicone oil that hydrogen content is 1.6%, 25 parts of precipitated silicas, 1 part of Pt atom content be the platinum group catalyst of 1000PPM
And 0.001 part of ethynylcyclohexanol mixing, the first sizing material is made；Then step S2 is executed, the first blend glue stuff is coated on release
On paper, coating thickness 0.03mm is placed in the drying tunnel at 120 DEG C and toasts 5 minutes so that the first rubber vulcanization forms decorative pattern layer
1；Then step S3 is executed, by the Silicon Containing Hydrogen that 70 parts of viscosity are the vinyl-terminated silicone fluid of 5000 centistokes, 5 parts of hydrogen contents are 0.1%
Oil, 25 parts of fume colloidal silica, the platinum group catalyst that 10 parts of blues are starched, the content of 0.02 part of Pt atom is 3000 and 0.01 part
Ethynylcyclohexanol mixing, be made the second sizing material；Step S4 is executed, the second sizing material is coated on to the surface of decorative pattern layer 1, is coated with
Thickness is 0.07mm, is placed in the drying tunnel at 120 DEG C and toasts 5 minutes, and the second rubber vulcanization forms body layer 2；Execute step
S5, by 70 parts of viscosity are the vinyl-terminated silicone fluid of 5000 centistokes, 5 parts of hydrogen contents are 0.1% containing hydrogen silicone oil, 25 parts of vapor phase method
White carbon, 3 parts of stock whites, 0.02 part of Pt atom content be 3000 platinum group catalyst, 0.01 part of ethynylcyclohexanol and
Luminescent powder mixes, and third sizing material, the wherein color of the mill base in the color of the mill base in third sizing material and the second sizing material is made not
Together；Step S6 is executed, third sizing material is coated on to the surface of body layer 2, coating thickness 0.1mm, then at third sizing material surface
Adhesive linkage 4 is pasted, adhesive linkage 4 is TPU, and the thickness of adhesive linkage 4 is 0.1mm, is placed in together in the drying tunnel at 120 DEG C and toasts 5 points
Clock, third rubber vulcanization form photic zone 3, and semi-finished product are made；Step S7 is executed, after semi-finished product are cooled down, removes release paper, dew
Go out decorative pattern layer 1；Step S8 is executed, according to the radium-shine decorative pattern layer 1 of the shape of character and body layer 2, radium-shine depth is 0.11mm, is obtained
Finished product.
In conclusion in one or more embodiments of the application, the waterproof antiallergy backlight silica gel keyboard of the application
There is material multilayered structure, easy processing simple in structure buffer effect is carried while ensureing user's comfortable feel, protect key
Disk, and the waterproof antiallergy backlight silica gel keyboard material of the application is not easy to be stained, while backlight effect may be implemented.
Several preferred embodiments of the present invention have shown and described in above description, but as previously described, it should be understood that the present invention
Be not limited to form disclosed herein, be not to be taken as excluding other embodiments, and can be used for various other combinations,
Modification and environment, and the above teachings or related fields of technology or knowledge can be passed through in the scope of the invention is set forth herein
It is modified.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, then it all should be in this hair
In the protection domain of bright appended claims.
Claims (9)
1. a kind of waterproof antiallergy backlight silica gel keyboard material, which is characterized in that including sequentially connected decorative pattern from top to bottom
Layer, body layer, photic zone and adhesive linkage, wherein the decorative pattern layer include 60~70 parts vinyl polysiloxane, 1~10 part
Hydrogen containing siloxane, 20~30 parts of filler, 0~20 part of mill base, 0.01~1 part of platinum group catalyst and 0.001~0.1 part
Inhibitor；The body layer and photic zone respectively include 70~80 parts of vinyl polysiloxane, 1~5 part of hydrogeneous poly- silicon
Oxygen alkane, 15~25 parts of filler, 0~20 part of mill base, 0.01~1 part of platinum group catalyst and 0.001~0.1 part of inhibition
Agent, the number are parts by weight.
2. waterproof antiallergy backlight silica gel keyboard material as described in claim 1, which is characterized in that the second of the decorative pattern layer
Alkenyl polysiloxanes is vinyl silicone oil, and viscosity is the centistoke of 5000 centistokes~20000, vinyl mass fraction is 0.5%~
5%.
3. waterproof antiallergy backlight silica gel keyboard material as described in claim 1, which is characterized in that the body layer and thoroughly
The vinyl polysiloxane of photosphere is the vinyl-terminated silicone fluid of the centistoke of 5000 centistoke of viscosity~20000.
4. waterproof antiallergy backlight silica gel keyboard material as described in claim 1, which is characterized in that the filler is gas phase
Method white carbon, precipitated silica, silicones, silicon powder, calcium carbonate, aluminosilicate, silicon bath soil, aluminium hydroxide, magnesium hydroxide
And it is one or more in titanium dioxide.
5. waterproof antiallergy backlight silica gel keyboard material as described in claim 1, which is characterized in that the platinum group catalyst
For isopropyl alcohol solution of chloroplatinic acid, chloroplatinic acid tetrahydrofuran solution, chloroplatinic acid-divinyl tetramethyl disiloxane complex or chlorine
Platinic acid -1,3,5,7- tetravinyls -1,3,5,7- tetramethyls-cyclotetrasiloxane complex, the content of wherein Pt atoms are
100ppm~500000ppm.
6. waterproof antiallergy backlight silica gel keyboard material as described in claim 1, which is characterized in that the inhibitor is first
It is base butynol, ethynylcyclohexanol, maleic acid containing alkynyl or derivatives thereof, rich maleic acid containing alkynyl or derivatives thereof, more
Vinyl polysiloxane, pyridine, unsaturated amides, organophosphor or phosphite ester.
7. a kind of production method of waterproof antiallergy backlight silica gel keyboard material as described in claim 1, which is characterized in that
Include the following steps：
By 60~70 parts of vinyl polysiloxane, 1~10 part of hydrogen containing siloxane, 20~30 parts of filler, 0~20 part
The first sizing material is made in mill base, 0.01~1 part of platinum group catalyst and 0.001~0.1 part of inhibitor mixed；
First blend glue stuff is coated in release paper, and toasts 3 minutes~20 points in the drying tunnel at 80 DEG C~150 DEG C
Clock, first rubber vulcanization form the decorative pattern layer；
By 70~80 parts of vinyl polysiloxane, 1~5 part of hydrogen containing siloxane, 15~25 parts of filler, 0~20 part
The second sizing material is made in mill base, 0.01~1 part of platinum group catalyst and 0.001~0.1 part of inhibitor mixed；
Second sizing material is coated on to the surface of the decorative pattern layer, and toasted in the drying tunnel at 80 DEG C~150 DEG C 3 minutes~
20 minutes, second rubber vulcanization formed the body layer；
By 70~80 parts of vinyl polysiloxane, 1~5 part of hydrogen containing siloxane, 15~25 parts of filler, 0~20 part
Mill base, 0.01~1 part of platinum group catalyst, 0.001~0.1 part of inhibitor and luminescent powder mixing, are made third sizing material；
The third sizing material is coated on to the surface of the body layer, adhesive linkage is pasted then at third sizing material surface, is placed in
It is toasted 3 minutes~20 minutes in drying tunnel at 80 DEG C~150 DEG C, the third rubber vulcanization forms the photic zone, is made half
Finished product；
After the semi-finished product are cooled down, the release paper is removed, the decorative pattern layer is exposed；
The radium-shine decorative pattern layer and body layer, obtain finished product.
8. the production method of the waterproof antiallergy backlight silica gel keyboard material as described in right wants 7, which is characterized in that the line
The thickness for adoring layer is 0.01mm~0.05mm, and the thickness of the body layer is 0.03mm~0.1mm, and the euphotic thickness is
0.05mm~0.15mm.
9. the production method of waterproof antiallergy backlight silica gel keyboard material as claimed in claim 7, which is characterized in that described
Adhesive linkage is TPU.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610894704.7A CN108373885A (en) | 2016-10-13 | 2016-10-13 | A kind of waterproof antiallergy backlight silica gel keyboard material and preparation method thereof |
| PCT/CN2016/105896 WO2018068359A1 (en) | 2016-10-13 | 2016-11-15 | Waterproof anti-allergic backlight-type silicon rubber keyboard material and manufacturing method therefor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610894704.7A CN108373885A (en) | 2016-10-13 | 2016-10-13 | A kind of waterproof antiallergy backlight silica gel keyboard material and preparation method thereof |
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| CN108373885A true CN108373885A (en) | 2018-08-07 |
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| CN201610894704.7A Pending CN108373885A (en) | 2016-10-13 | 2016-10-13 | A kind of waterproof antiallergy backlight silica gel keyboard material and preparation method thereof |
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| WO (1) | WO2018068359A1 (en) |
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| WO2018068359A1 (en) | 2018-04-19 |
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