CN107674427A - Tack silica gel, tack silica gel shell and preparation method thereof - Google Patents
Tack silica gel, tack silica gel shell and preparation method thereof Download PDFInfo
- Publication number
- CN107674427A CN107674427A CN201710710793.XA CN201710710793A CN107674427A CN 107674427 A CN107674427 A CN 107674427A CN 201710710793 A CN201710710793 A CN 201710710793A CN 107674427 A CN107674427 A CN 107674427A
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- Prior art keywords
- silica gel
- shell
- component
- tack
- tack silica
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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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/12—Bonding of a preformed macromolecular material to the same or other solid material such as metal, glass, leather, e.g. using adhesives
- C08J5/121—Bonding of a preformed macromolecular material to the same or other solid material such as metal, glass, leather, e.g. using adhesives by heating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2369/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2483/00—Characterised by the use 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; Derivatives of such polymers
- C08J2483/04—Polysiloxanes
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a kind of tack silica gel, the tack silica gel includes the first component and the second component, by the way that the respective constituent of the first component and the second component is mixed according to preset quality ratio, by the first obtained component and the second component in mass ratio 1:1, which carries out mixing, to obtain.In addition the invention also discloses a kind of tack silica gel shell and preparation method thereof, the tack silica gel shell is that tack silica gel provided by the invention and plastic-substrates are made by the mould ejection formation of tack silica gel.The tack silica gel of the present invention possesses adhesive attraction in itself, is directly adhered on phone housing, and protective casing of cell phone is obtained by processing; avoid the influence made using silane coupling agent to containment vessel; it is cost-effective without using diaphragm, while simplify fabrication processing.
Description
Technical field
The present invention relates to chemical field, more particularly to a kind of tack silica gel, tack silica gel shell and its preparation side
Method.
Background technology
People protect usually using phone housing to mobile phone.The phone housing to gain great popularity at present is outside silica gel mobile phone
Shell, and liquid-state silicon gel vulcanizes fast, safety and environmental protection because having good fluidity, reaches the advantages of food-grade requires, and made extensively
For phone housing manufacturing field.
But prior art is during protective casing of cell phone is manufactured, and is by the effect of silane coupling agent that liquid-state silicon is gluing
Invest on plastic casing, now need to consider influence of the silane coupling agent seepage to subsequent handling quality.Prior art would generally be in nothing
The case surface coating protective film first of liquid-state silicon gel need to be coated, to prevent influence caused by silane coupling agent seepage, causes technological process
It is complicated cumbersome, while need to introduce diaphragm, cause cost to waste.
The content of the invention
The present invention solves the technical problem of provide a kind of tack silica gel, tack silica gel shell and its preparation side
Method, tack silica gel of the invention possess adhesive attraction, are directly adhered on phone housing in itself, and obtaining mobile phone by processing protects
Shell is protected, avoids the influence made using silane coupling agent to containment vessel, it is cost-effective without using diaphragm, simplify simultaneously
Fabrication processing.
In order to solve the above technical problems, one aspect of the present invention is：A kind of tack silica gel is provided, including
First component and the second component；Wherein, the constituent of the first component and its mass percent are as follows：
Silicone oil, 60~80%；
Silica, 19.85~36.5%；
Constitution controller, 0.1~2%；
Releasing agent, 0~1%；
Platinum catalyst, 0.05~0.5%；
The constituent and its mass percent of second component are as follows：
Silicone oil, 60~80%；
Silica, 17.89~26.9%；
Constitution controller, 0.1~2%；
Releasing agent, 0~1%；
Crosslinking agent, 2~10%；
Response delay agent, 0.01~0.1%；
First component and the second component in mass ratio 1:1 carries out being mixed to get tack silica gel.
In order to solve the above technical problems, one aspect of the present invention is：A kind of tack silica gel shell is provided,
Including：Tack layer of silica gel including shell and such as preceding solution, the two is stacked.
In order to solve the above technical problems, one aspect of the present invention is：A kind of tack silica gel shell is provided
Preparation method, including：Shell is set；Shell is positioned over ejection formation in tack silica gel mould.
Prior art is different from, tack silica gel of the invention carries out its constituent according to setting ratio to be mixed to form
One component and the second component, then by the first component and the second component according to 1:1 mixing, tack silica gel of the invention possess in itself
Adhesive attraction, it is directly adhered on phone housing, protective casing of cell phone is obtained by processing, avoided using silane coupling agent to protection
The influence that shell makes, it is cost-effective without using diaphragm, while simplify fabrication processing.
Embodiment
Make further more detailed description to technical scheme with reference to embodiment.Obviously, retouched
The embodiment stated is only the part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention,
The every other embodiment that those of ordinary skill in the art are obtained on the premise of creative work is not made, should all belong to
The scope of protection of the invention.
Technical scheme is described in detail below in conjunction with embodiment.
If it should be noted that not conflicting, each feature in the embodiment of the present invention and embodiment can be tied mutually
Close, within protection scope of the present invention.In some cases, can be with the order different from the method and step in embodiment
Perform shown or described step.
Liquid-state silicon gel with respect to solid-state high-temperature silicon disulfide rubber for, it is liquid glue, has good fluidity, vulcanization
It hurry up, safer environmental protection, food-grade requirement can be fully achieved.Liquid-state silicon gel has excellent tearing toughness, resilience, anti-yellowing
Property, heat endurance, heat-resistant aging, are mainly used in children article, medical supplies and electronic product.Liquid-state silicon gel is extensive at present
Applied to protective casing of cell phone manufacturing field.
It is in the manufacturing process of liquid-state silicon gel protective casing of cell phone at present：
First plastic-substrates are cleaned up with medicinal alcohol；Plastic-substrates are toasted 10 points at a temperature of 80 DEG C with baking box
Clock；Diaphragm is attached into plastic-substrates inner surface with special fixture prevents silane coupling agent seepage from influenceing subsequent handling quality；Use writing brush
Silane coupling agent is evenly coated in plastic-substrates outer surface；The plastic-substrates for scribbling silane coupling agent are toasted at a temperature of 100 DEG C with baking box
10 minutes；Diaphragm is taken off from plastic-substrates；Plastic-substrates are put into the production of silica gel mould ejection formation.
In above-mentioned manufacturing process, to prevent silane coupling agent seepage from influenceing, diaphragm is often introduced, diaphragm is coated in advance
The position of liquid-state silicon gel need not be pasted on to plastic-substrates, is prevented in final ejection formation, on the plastic substrate need not
Liquid-state silicon gel has also been pasted in the position for pasting liquid-state silicon gel, and have impact on process quality.But introduce diaphragm and bring waste,
And need to paste and remove diaphragm, process is added, causes to lose time.
The invention provides a kind of tack silica gel material, by the tack silica gel material of the present invention, can avoid above-mentioned
The process that diaphragm is introduced in technique.
The tack silica gel material is made up of the first component and the second component, wherein the constituent of the first component and corresponding
Mass percent it is as follows：
Silicone oil, 60~80%；
Silica, 19.85~36.5%；
Constitution controller, 0.1~2%；
Releasing agent, 0~1%；
Platinum catalyst, 0.05~0.5%；
The constituent and its mass percent of second component are as follows：
Silicone oil, 60~80%；
Silica, 17.89~26.9%；
Constitution controller, 0.1~2%；
Releasing agent, 0~1%；
Crosslinking agent, 2~10%；
Response delay agent, 0.01~0.1%；
First component and the second component in mass ratio 1:1 carries out being mixed to get tack silica gel.
In the kinds of ingredients that is related to of tack silica gel of the present invention, silicone oil is methylvinyl-polysiloxane, structure control
Preparation is hydroxy silicon oil, and releasing agent is stearic acid, platinum catalyst 1,3- divinyl -1,1,3,3- tetramethyl disiloxanes
Platinum complex, crosslinking agent are containing hydrogen silicone oil, and response delay agent is acetylene or cyclohexanol.
Example, in the first component of tack silica gel, the mass percent of each constituent is as follows：
Methylvinyl-polysiloxane 60%, silica 36.5%, hydroxy silicon oil 2%, stearic acid 1%, 1,3- diethyls
Alkenyl -1,1,3,3- tetramethyl disiloxane platinum complexs 0.5%；
Or in the first component of tack silica gel, the mass percent of each constituent is as follows：
Methylvinyl-polysiloxane 80%, silica 1 9.85%, hydroxy silicon oil 0.1%, 1,3- divinyl -1,
1,3,3- tetramethyl disiloxane platinum complex 0.05%；
Or in the first component of tack silica gel, the mass percent of each constituent is as follows：
Methylvinyl-polysiloxane 70%, silica 28%, hydroxy silicon oil 1%, stearic acid 0.75%, 1,3- diethyls
Alkenyl -1,1,3,3- tetramethyl disiloxane platinum complexs 0.25%.
In second component of tack silica gel, the mass percent of each constituent is as follows：
Methylvinyl-polysiloxane 60%, silica 26.9%, hydroxy silicon oil 2%, stearic acid 1%, containing hydrogen silicone oil
9%, acetylene or cyclohexanol 0.1%；
Or in the second component of tack silica gel, the mass percent of each constituent is as follows：
Methylvinyl-polysiloxane 80%, silica 1 7.89%, hydroxy silicon oil 0.1%, containing hydrogen silicone oil 2%, acetylene
Or cyclohexanol 0.01%；
Or in the second component of tack silica gel, the mass percent of each constituent is as follows：
Methylvinyl-polysiloxane 70%, silica 20%, hydroxy silicon oil 2%, stearic acid 1%, containing hydrogen silicone oil
6.9%, acetylene or cyclohexanol 0.1%.
The first component and the second component of tack silica gel can according to above-mentioned proportion of composing, 1:Any group of 1 mass ratio
Close, you can obtain tack silica gel.
Understood by experiment, tack silica gel of the invention is translucent state；Measured point of the viscosity of its each component
Do not reach 2700Pas and 9100Pas, there is higher viscosity；Density is 1.12 ± 0.02g/cm3, tensile strength is more than
Equal to 8Mpa, tensile elongation can exceed the 300% of its length, and tearing strength is more than or equal to 30kN/m, peel strength more than etc.
In 1kN/m.By experimental data, tack silica gel provided by the invention has excellent physics and chemical quality.
In addition present invention also offers a kind of tack silica gel shell, the tack silica gel shell be mobile phone, flat board or its
The containment vessel of his electronic product, including shell and the tack layer of silica gel described in preceding solution, the two is overlapped.This is outer
Shell material matter is one kind in PC, PET, TPU base plastics, and tack silica gel is attached at case surface and obtains tack silica gel shell.
Present invention also offers the preparation method of the tack silica gel shell described in preceding solution, the step of this method
Including：
S1：Shell is set.
Obtained shell in advance is obtained, shell is as described in aforementioned schemes, one kind in material PC, PET, TPU base plastics,
And after shell is obtained, shell is cleaned using medicinal alcohol, is toasted 10 minutes at a temperature of 80 DEG C using baking box after the completion of cleaning.
After the completion of baking, into step S2.
S2：Shell is positioned over ejection formation in tack silica gel mould.
The shell for toasting completion is positioned in jetting mold, the jetting mold is the jetting mold of tack silica gel, is led to
The mould ejection formation is crossed, obtains the protection shell of tack silica gel.
Prior art is different from, tack silica gel of the invention carries out its constituent according to setting ratio to be mixed to form
One component and the second component, then by the first component and the second component according to 1:1 mixing, tack silica gel of the invention possess in itself
Adhesive attraction, it is directly adhered on phone housing, protective casing of cell phone is obtained by processing, avoided using silane coupling agent to protection
The influence that shell makes, it is cost-effective without using diaphragm, while simplify fabrication processing.
Embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this
The equivalent structure or equivalent flow conversion that description of the invention content is made, or directly or indirectly it is used in other related technology necks
Domain, it is included within the scope of the present invention.
Claims (7)
1. a kind of tack silica gel, it is characterised in that including the first component and the second component；Wherein, the group of first component
It is as follows into composition and its mass percent：
Silicone oil, 60~80%；
Silica, 19.85~36.5%；
Constitution controller, 0.1~2%；
Releasing agent, 0~1%；
Platinum catalyst, 0.05~0.5%；
The constituent and its mass percent of second component are as follows：
Silicone oil, 60~80%；
Silica, 17.89~26.9%；
Constitution controller, 0.1~2%；
Releasing agent, 0~1%；
Crosslinking agent, 2~10%；
Response delay agent, 0.01~0.1%；
First component and second component in mass ratio 1:1 carries out being mixed to get the tack silica gel.
2. tack silica gel according to claim 1, it is characterised in that the silicone oil is methylvinyl-polysiloxane,
The constitution controller is hydroxy silicon oil, and the releasing agent is stearic acid, and the platinum catalyst is 1,3- divinyl -1,1,
3,3- tetramethyl disiloxane platinum complexs, the crosslinking agent are containing hydrogen silicone oil.
3. tack silica gel according to claim 1, it is characterised in that the response delay agent is acetylene or cyclohexanol.
A kind of 4. tack silica gel shell, it is characterised in that the self-adhesion including shell and as described in claim 1-4 any one
Layer of silica gel, the two is stacked.
5. tack silica gel shell according to claim 4, it is characterised in that the enclosure material is PC, PET, TPU base
One kind in plastics.
A kind of 6. preparation method of tack silica gel shell, it is characterised in that including：
Shell is set；
The shell is positioned over ejection formation in the tack silica gel mould.
7. the preparation method of tack silica gel shell according to claim 6, it is characterised in that shell is set the step of
In, including step：
The shell is cleaned with medicinal alcohol；
The shell is toasted 10 minutes at a temperature of 80 DEG C with baking box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710710793.XA CN107674427A (en) | 2017-08-18 | 2017-08-18 | Tack silica gel, tack silica gel shell and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710710793.XA CN107674427A (en) | 2017-08-18 | 2017-08-18 | Tack silica gel, tack silica gel shell and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107674427A true CN107674427A (en) | 2018-02-09 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710710793.XA Pending CN107674427A (en) | 2017-08-18 | 2017-08-18 | Tack silica gel, tack silica gel shell and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112409902A (en) * | 2020-11-19 | 2021-02-26 | 陈南忠 | Isolation composition and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101665623A (en) * | 2009-10-15 | 2010-03-10 | 成都拓利化工实业有限公司 | Double-component addition self-adhesive silicon rubber |
| US20100081751A1 (en) * | 2005-06-24 | 2010-04-01 | Bluestar Silicones France | Use of an Organopolysiloxane Composition Vulcanizable From Room Temperature To Form A Self-Adhesive Elastomer |
| CN102892272A (en) * | 2012-10-17 | 2013-01-23 | 东莞劲胜精密组件股份有限公司 | Electronic product waterproof structure |
-
2017
- 2017-08-18 CN CN201710710793.XA patent/CN107674427A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100081751A1 (en) * | 2005-06-24 | 2010-04-01 | Bluestar Silicones France | Use of an Organopolysiloxane Composition Vulcanizable From Room Temperature To Form A Self-Adhesive Elastomer |
| CN101665623A (en) * | 2009-10-15 | 2010-03-10 | 成都拓利化工实业有限公司 | Double-component addition self-adhesive silicon rubber |
| CN102892272A (en) * | 2012-10-17 | 2013-01-23 | 东莞劲胜精密组件股份有限公司 | Electronic product waterproof structure |
Non-Patent Citations (2)
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| 上海电机厂等: "自粘性硅橡胶三角带研究试制总结报告", 《绝缘材料通讯》 * |
| 李秀贞: "硅橡胶技术的新进展", 《橡胶参考资料》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112409902A (en) * | 2020-11-19 | 2021-02-26 | 陈南忠 | Isolation composition and preparation method and application thereof |
| CN112409902B (en) * | 2020-11-19 | 2022-08-02 | 陈南忠 | Isolation composition and preparation method and application thereof |
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Application publication date: 20180209 |