CN108659468A - A kind of preparation method of Mobile phone film - Google Patents
A kind of preparation method of Mobile phone film Download PDFInfo
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- 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
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- C08J2363/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
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Abstract
The invention discloses a kind of preparation methods of Mobile phone film, belong to mobile phone protection technology field.The present invention extracts faint scent bacteriostatic extractive using ternip, Chinese prickly ash as raw material, and by the hydroxyl on wherein phenolic acid phenyl ring, autoxidation occurs for induction, to can inhibit Mobile phone film surface bacteria, microorganism have good effect.Based on polyester resin, epoxy resin, conductive carbon fibre is added, in Mobile phone film preparation process, the Free Surface of conductive filler particles becomes the interface of wetting, boundary layer to be formd between matrix and filler, when the interface of system, energy surplus reaches a certain level, conducting particles initially forms conductive network, antistatic surface effect is made so that Mobile phone film reduces absorption dust and microparticle object, it gives extract to provide good carrier function simultaneously, long-acting bacteriostatic and substantially reduces dust adsorption.The present invention is solved easily adsorbs the microparticles object such as dust, and the problem more than film surface bacterium for mobile phone film surface at present on the market.
Description
Technical field
The invention belongs to mobile phone protection technology field, more particularly to a kind of preparation method of Mobile phone film.
Background technology
As the improvement of people's living standards, smart mobile phone more and more occurs in people's lives.However intelligence
Mobile phone has certain radiation when in use, prodigious threat and damage is caused to people's health, with people's health consciousness
Continuous improvement, the radiation problem generated during mobile phone use also increasingly attracts people's attention.Electromagnetic pollution at
To endanger the significant problem of human health, wherein strong electromagnetic radiation is mostly important to the stimulation of human body especially brain.For
Prevent the injury of Radiation On Human body, people from developing a series of Mobile phone antiradiation Mobile phone film, can prevent to a certain extent
Radiation, but existing radiation protection method only only reduces the injury of radiation, and there is no fundamentally reduce amount of radiation.Also,
Conventional sticking film for mobile phone does not have the function of antistatic in the market current, and is easy to inhale during attaching use
Dust is received, or because generating Electrostatic Absorption is difficult accurately to be positioned on mobile phone screen, mobile phone is reduced using function after causing pad pasting,
And screen easy tos produce bubble, brightness is not suitable for, and leads to the ocular damage of user.
Invention content
The technical problems to be solved by the invention：The microparticles such as dust are easily adsorbed for mobile phone film surface at present on the market
Object, and the problem more than film surface bacterium provide a kind of preparation method of Mobile phone film.
In order to solve the above technical problems, the present invention uses technical solution as described below；
A kind of preparation method of Mobile phone film, which is characterized in that the preparation method includes the following steps：
（1）It takes streptomyces venezuelae to be seeded in activation medium by 2 ~ 5% inoculum concentration, in 25 ~ 28 DEG C of culture cultures, obtains
Culture takes culture in mass ratio 1：8 are added physiological saline, in 200r/min, 25 ~ 28 DEG C of cultures, with sterile absorbent cotton mistake
Filter, takes filtrate in mass ratio 1：6 ~ 8 are added sterile water mixing, obtain mixed liquor；
（2）It takes mixed liquor to be placed in away from being irradiated at 15W ultraviolet lamps 30cm, obtains pretreatment bacterium solution, take pretreatment bacterium solution, it will be pretreated
Bacterium solution normal saline dilution is to 10-6Dilution grade, obtain dilution, dilution taken to be seeded to mutagenesis culture by 2 ~ 4% inoculum concentration
In base, it is protected from light culture in 25 ~ 28 DEG C, obtains seed strain, seed strain is taken to be seeded in fermentation medium by 3 ~ 6% inoculum concentration
Fermentation, obtains zymotic fluid, removes zymotic fluid in mass ratio 10：1 ~ 3 is added the oxalic acid mixing of a concentration of 1mol/L, stands 15 ~ 18h, from
The heart takes supernatant, and freeze-drying obtains dried object；
（3）According to the mass fraction, take 30 ~ 40 parts of dried objects, 0.6 ~ 0.8 part of synanthrin, 0.3 ~ 0.5 part of xylo-oligosaccharide, 0.2 ~ 0.5 part
Sodium bicarbonate, 0.5 ~ 0.8 part of magnesium sulfate, 18 ~ 20 parts of lactose, 3 ~ 5 parts of sodium glutamates, 3 ~ 6 parts of arginine, 5 ~ 10 parts of 6- benzyl glands
Purine, 3 ~ 5 parts of avermectin, 3 ~ 5 parts of dimethyl polysiloxanes, 4 ~ 7 parts of polymethoxy polyoxyethylene Sodium methacrylates, 15 ~
20 parts of sodium alginates are stirred 20 ~ 30min, obtain stirring mixture, take stirring mixture in mass ratio 1：5 ~ 8 are added deionization
Water is stirred, wet grinding in 20 ~ 30 DEG C, obtains abrasive grains, spare；
（4）It takes n,N-dimethylacetamide under nitrogen protection, is warming up to 140 ~ 150 DEG C of 5 ~ 10min of heat preservation, adds N, N- bis-
The microcrystalline cellulose of methylacetamide quality 10 ~ 20% is stirred in 150 ~ 160 DEG C, then at 90 ~ 100 DEG C heat preservation 20 ~
30min obtains stirring mixture, takes stirring mixture in mass ratio 10 ~ 15：2 ~ 4 are added chloride hydrate lithium, in 90 ~ 100 DEG C of stirrings
Mixing, is cooled to room temperature, obtains cooling thing；
（5）Take 4,4 '-dihydroxy benzophenones in mass ratio 1：5 ~ 7 are added n,N-dimethylacetamide, are stirred 20 ~ 30min,
The toluene di-isocyanate(TDI) for adding 4,4 '-dihydroxy benzophenone quality 4 ~ 7%, is stirred in 25 ~ 30 DEG C, obtains mixture, take
Cooling thing in mass ratio 2：3：5 are added mixture, step（3）Spare abrasive grains are stirred in 25 ~ 35 DEG C, are stood, and are squeezed
Pressure is granulated, and obtains particulate matter, and particulate matter is washed through deionized water, is dried in vacuo to get biological pesticide.
The step（1）Middle activation medium：According to the mass fraction, take 20 ~ 25 portions of soluble starches, 1 ~ 4 part of potassium nitrate,
0.3 ~ 0.6 part, 0.3 ~ 0.6 part of magnesium sulfate, 0.008 ~ 0.01 part of ferrous sulfate, 1000 parts of water, pH7.2 ~ 7.4,121 DEG C sterilizing
20min to get.
The step（2）Middle Induced medium：According to the mass fraction, take 20 ~ 25 portions of soluble starches, 1 ~ 4 part of potassium nitrate,
0.3 ~ 0.6 part, 0.3 ~ 0.6 part of magnesium sulfate, 0.008 ~ 0.01 part of ferrous sulfate, 3 ~ 5 parts of lithium chlorides, 20 ~ 25 parts of agar, 1000 parts
Water, pH7.2 ~ 7.4,121 DEG C sterilizing 20min to get.
The step（2）Middle fermentation medium：According to the mass fraction, take 20 ~ 25 parts of soybean cake powders, 8 ~ 12 parts of glucose,
10 ~ 15 parts of starch, 0.3 ~ 0.6 part of dipotassium hydrogen phosphate, 2 ~ 4 parts of calcium carbonate, 1000 parts of distilled water, 8.0,121 DEG C of sterilizings of pH
20min to get.
Compared with other methods, advantageous effects are the present invention：
（1）The present invention extracts faint scent bacteriostatic extractive using ternip, Chinese prickly ash as raw material, by the hydroxyl on wherein phenolic acid phenyl ring
Autoxidation occurs for base, induction, destroys cellular enzymes live system, cell normal physiological activity is influenced, to can inhibit Mobile phone film surface
Bacterium, microorganism have good effect；
（2）Conductive carbon fibre, the shape between main body and conductive filler is added based on polyester resin, epoxy resin in the present invention
At interfacial effect have a great impact to the formation of galvanic circle in doping type system, in Mobile phone film preparation process, conduction is filled out
The Free Surface of material particle becomes the interface of wetting, boundary layer is formd between matrix and filler, system generates interface can mistake
Surplus, with the increase of conductive filler, when the interface of system, energy surplus reaches a certain level, and conducting particles initially forms conductive mesh
Network, macroscopically show as the resistivity of system reduces suddenly, and antistatic surface effect is made so that Mobile phone film reduces absorption dust
With microparticle object, while extract being given to provide good carrier function, long-acting bacteriostatic and substantially reduces dust adsorption.
Specific implementation mode
Polyester resin：It is purchased from Zhengzhou Peng Hui chemical products Co., Ltd.
Conductive carbon fibre：It is purchased from Yuyao City Pin Ke new materials Co., Ltd.
Lubricant：Any one or a few in phenyl trichlorosilane, dimethicone, dichloromethyl phenylsilane.
Plasticizer：Any one in dioctyl phthalate, dioctyl adipate or octyl epoxy stearate.
Antiaging agent：Antiaging agent RD and microwax are 2 in mass ratio：1 ~ 2 mixing is to get antiaging agent.
Surfactant：In mass ratio 1：3 ~ 4 take stearic acid and dodecyldimethylammonium hydroxide inner salt to mix lives to get surface
Property agent.
Solvent：In mass ratio 1：1 ~ 2 takes ether and petroleum ether to mix to get solvent.
Epoxy resin dilution：In mass ratio 1:7~10:2 are mixed by epoxy resin, phenyl glycidyl ether, ethylene oxide
It closes to get epoxy resin dilution.
A kind of preparation method of Mobile phone film, includes the following steps：
（1）Ternip cleaning, drying, coarse crushing are taken to take crushed material in mass ratio 1：4~5：0.1：0.5 be added distilled water, NaCl,
Chinese prickly ash stirs 20 ~ 40min with 300 ~ 350r/min, stands 2 ~ 3h, in 40 ~ 60 DEG C, power 250W carry out ultrasonic wave extraction 25 ~
40min obtains extract, spare；
（2）In mass ratio 1：6 ~ 10 take meal wheat stone and polyester resin that ball mill is added obtains ball with 300 ~ 350r/min, 2 ~ 4h of ball milling
Abrasive material takes ball milling material in mass ratio 1：0.3：3 ~ 4 are added algin, solvent, and 20 ~ 35min is mixed, obtains mixed liquor, are added
1 ~ 2 times of epoxy resin dilution of mixed liquor quality is uniformly mixed, and is evaporated in vacuo to the 40 ~ 50% of original volume, is obtained base-material；
（3）In 60~65 DEG C, 20 ~ 30 parts of epoxy resin dilutions, 1 ~ 4 part of plasticizer, 8 ~ 15 parts of surfaces are taken according to the mass fraction
Activating agent is stirred 45~60min with 400 ~ 600r/min in batch mixer, obtains premix, take 0.5 ~ 2 part of talcum powder, 3 ~ 7 parts
Premix is added in nano magnesia, 6 ~ 10 parts of antiaging agents, and in 110 ~ 120 DEG C, 40 ~ 60min is stirred with 350~400r/min,
Obtain mixture；
（4）Take according to the mass fraction 30 ~ 40 parts of mixtures, 25 ~ 35 parts of base-materials, 10 ~ 15 parts of auxiliary materials, 20 ~ 30 parts of conductive carbon fibres,
50 ~ 60 parts of water obtain mixed liquor in 90 ~ 100 DEG C of mixings, are cooled to 45 ~ 60 DEG C, and 20 ~ 30 parts of steps are added（1）In it is spare
Extracting solution, in supersonic frequency be 65kHz under the conditions of, 2 ~ 4h of ultrasonic disperse obtains feed liquid, and feeding liquid is in 60 ~ 75 DEG C, 600kPa items
Under part, 3 ~ 4h is concentrated under reduced pressure in rotary evaporation, obtains concentrate, concentrate is plasticated, is formed a film to get Mobile phone film.
Polyester resin：It is purchased from Zhengzhou Peng Hui chemical products Co., Ltd.
Conductive carbon fibre：It is purchased from Yuyao City Pin Ke new materials Co., Ltd.
Lubricant：Any one or a few in phenyl trichlorosilane, dimethicone, dichloromethyl phenylsilane.
Plasticizer：Any one in dioctyl phthalate, dioctyl adipate or octyl epoxy stearate.
Antiaging agent：Antiaging agent RD and microwax are 2 in mass ratio：1 mixing is to get antiaging agent.
Surfactant：In mass ratio 1：3 take stearic acid and dodecyldimethylammonium hydroxide inner salt to mix to get surface-active
Agent.
Solvent：In mass ratio 1：1 takes ether and petroleum ether to mix to get solvent.
Epoxy resin dilution：In mass ratio 1:7:2 are mixed by epoxy resin, phenyl glycidyl ether, ethylene oxide, i.e.,
Obtain epoxy resin dilution.
A kind of preparation method of Mobile phone film, includes the following steps：
（3）Ternip cleaning, drying, coarse crushing are taken to take crushed material in mass ratio 1：4：0.1：0.5 is added distilled water, NaCl, flower
Green pepper stirs 20min with 300r/min, stands 2h, and in 40 DEG C, power 250W carries out ultrasonic wave extraction 25min, obtains extract, standby
With；
（4）In mass ratio 1：6 take meal wheat stone and polyester resin that ball mill is added is obtained ball milling material, is taken ball with 300r/min ball milling 2h
Abrasive material in mass ratio 1：0.3：3 are added algin, solvent, and 20min is mixed, and obtain mixed liquor, and 1 times of mixed liquor quality is added
Epoxy resin dilution, be uniformly mixed, be evaporated in vacuo to the 40% of original volume, obtain base-material；
（3）In 60 DEG C, 20 parts of epoxy resin dilutions, 1 part of plasticizer, 8 parts of surfactants are taken according to the mass fraction, in batch mixing
Machine is stirred 45min with 400r/min, obtains premix, and 0.5 part of talcum powder, 3 parts of nano magnesias, 6 parts of antiaging agents is taken to add
Enter premix, in 110 DEG C, 40min is stirred with 350r/min, obtains mixture；
（4）30 parts of mixtures, 25 parts of base-materials, 10 parts of auxiliary materials, 20 parts of conductive carbon fibres, 50 parts of water are taken according to the mass fraction, in 90
It DEG C is mixed, obtains mixed liquor, be cooled to 45 DEG C, 20 parts of steps are added（1）In spare extracting solution, be in supersonic frequency
Under the conditions of 65kHz, ultrasonic disperse 2h obtains feed liquid, and for feeding liquid under the conditions of 60 DEG C, 600kPa, 3h is concentrated under reduced pressure in rotary evaporation,
Concentrate is obtained, concentrate is plasticated, is formed a film to get Mobile phone film.
Polyester resin：It is purchased from Zhengzhou Peng Hui chemical products Co., Ltd.
Conductive carbon fibre：It is purchased from Yuyao City Pin Ke new materials Co., Ltd.
Lubricant：Any one or a few in phenyl trichlorosilane, dimethicone, dichloromethyl phenylsilane.
Plasticizer：Any one in dioctyl phthalate, dioctyl adipate or octyl epoxy stearate.
Antiaging agent：Antiaging agent RD and microwax are 2 in mass ratio：1 mixing is to get antiaging agent.
Surfactant：In mass ratio 1：3 take stearic acid and dodecyldimethylammonium hydroxide inner salt to mix to get surface-active
Agent.
Solvent：In mass ratio 1：1 takes ether and petroleum ether to mix to get solvent.
Epoxy resin dilution：In mass ratio 1:8:2 are mixed by epoxy resin, phenyl glycidyl ether, ethylene oxide, i.e.,
Obtain epoxy resin dilution.
A kind of preparation method of Mobile phone film, includes the following steps：
（5）Ternip cleaning, drying, coarse crushing are taken to take crushed material in mass ratio 1：4：0.1：0.5 is added distilled water, NaCl, flower
Green pepper stirs 30min with 325r/min, stands 2.5h, and in 50 DEG C, power 250W carries out ultrasonic wave extraction 32min, obtains extract,
It is spare；
（6）In mass ratio 1：8 take meal wheat stone and polyester resin that ball mill is added is obtained ball milling material, is taken ball with 300r/min ball milling 3h
Abrasive material in mass ratio 1：0.3：3 are added algin, solvent, and 30min is mixed, and obtain mixed liquor, and the 1.5 of mixed liquor quality are added
Epoxy resin dilution again is uniformly mixed, and is evaporated in vacuo to the 45% of original volume, is obtained base-material；
（3）In 63 DEG C, 25 parts of epoxy resin dilutions, 2 parts of plasticizer, 12 parts of surfactants are taken according to the mass fraction, in mixed
Material machine is stirred 55min with 500r/min, obtains premix, takes 1.5 parts of talcum powder, 5 parts of nano magnesias, 8 parts of antiaging agents
Premix is added, in 115 DEG C, 50min is stirred with .380r/min, obtains mixture；
（4）35 parts of mixtures, 30 parts of base-materials, 13 parts of auxiliary materials, 25 parts of conductive carbon fibres, 55 parts of water are taken according to the mass fraction, in 95
It DEG C is mixed, obtains mixed liquor, be cooled to 55 DEG C, 25 parts of steps are added（1）In spare extracting solution, be in supersonic frequency
Under the conditions of 65kHz, ultrasonic disperse 3h obtains feed liquid, and feeding liquid is under the conditions of 70 DEG C, 600kPa, rotary evaporation, reduced pressure
3.5h obtains concentrate, and concentrate is plasticated, is formed a film to get Mobile phone film.
Polyester resin：It is purchased from Zhengzhou Peng Hui chemical products Co., Ltd.
Conductive carbon fibre：It is purchased from Yuyao City Pin Ke new materials Co., Ltd.
Lubricant：Any one or a few in phenyl trichlorosilane, dimethicone, dichloromethyl phenylsilane.
Plasticizer：Any one in dioctyl phthalate, dioctyl adipate or octyl epoxy stearate.
Antiaging agent：Antiaging agent RD and microwax are 2 in mass ratio：2 mixing are to get antiaging agent.
Surfactant：In mass ratio 1：4 take stearic acid and dodecyldimethylammonium hydroxide inner salt to mix to get surface-active
Agent.
Solvent：In mass ratio 1：2 take ether and petroleum ether to mix to get solvent.
Epoxy resin dilution：In mass ratio 1:10:2 are mixed by epoxy resin, phenyl glycidyl ether, ethylene oxide,
Up to epoxy resin dilution.
A kind of preparation method of Mobile phone film, includes the following steps：
（7）Ternip cleaning, drying, coarse crushing are taken to take crushed material in mass ratio 1：5：0.1：0.5 is added distilled water, NaCl, flower
Green pepper stirs 40min with 350r/min, stands 3h, and in 60 DEG C, power 250W carries out ultrasonic wave extraction 40min, obtains extract, standby
With；
（8）In mass ratio 1：10 take meal wheat stone and polyester resin that ball mill is added is obtained ball milling material, is taken with 350r/min ball milling 4h
Ball milling material in mass ratio 1：0.3：4 are added algin, solvent, and 35min is mixed, and obtain mixed liquor, and the 2 of mixed liquor quality are added
Epoxy resin dilution again is uniformly mixed, and is evaporated in vacuo to the 50% of original volume, is obtained base-material；
（3）In 65 DEG C, 30 parts of epoxy resin dilutions, 4 parts of plasticizer, 15 parts of surfactants are taken according to the mass fraction, in mixed
Material machine is stirred 60min with 600r/min, obtains premix, and 2 parts of talcum powder, 7 parts of nano magnesias, 10 parts of antiaging agents is taken to add
Enter premix, in 120 DEG C, 60min is stirred with 400r/min, obtains mixture；
（4）40 parts of mixtures, 35 parts of base-materials, 15 parts of auxiliary materials, 30 parts of conductive carbon fibres, 60 parts of water are taken according to the mass fraction, in 100
It DEG C is mixed, obtains mixed liquor, be cooled to 60 DEG C, 30 parts of steps are added（1）In spare extracting solution, be in supersonic frequency
Under the conditions of 65kHz, ultrasonic disperse 4h obtains feed liquid, feeding liquid under the conditions of 75 DEG C, 600kPa, rotary evaporation, be concentrated under reduced pressure 3 ~
4h obtains concentrate, and concentrate is plasticated, is formed a film to get Mobile phone film.
Comparative example：The Mobile phone film of Shanghai City company production.
The Mobile phone film and comparative example prepared respectively with embodiment 1,2,3 is detected, and test result is shown in Table 1.
Table 1：
| Test event | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example |
| Tensile strength（mpa) | 153 | 155 | 160 | 148 |
| Bacterial population (cfu/m3) | 1.03 | 1.12 | 1.08 | 1.56 |
In summary, mobile phone film surface of the invention is not easy to be adsorbed as that particulate matter is more environmentally friendly, and film surface bacterium is few, is worth promoting
It uses.
Claims (7)
1. a kind of preparation method of Mobile phone film, which is characterized in that the preparation method includes the following steps：
（1）Ternip cleaning, drying, coarse crushing are taken to take crushed material in mass ratio 1：4~5：0.1：0.5 be added distilled water, NaCl,
Chinese prickly ash stirs 20 ~ 40min, stands 2 ~ 3h, carries out ultrasonic wave extraction, obtains extract, spare；
（2）In mass ratio 1：6 ~ 10 take meal wheat stone and polyester resin that ball mill is added, and 2 ~ 4h of ball milling obtains ball milling material, takes ball milling material
In mass ratio 1：0.3：3 ~ 4 are added algins, solvent, and 20 ~ 35min is mixed, obtains mixed liquor, be added mixed liquor quality 1 ~
2 times of epoxy resin dilution is uniformly mixed, and is evaporated in vacuo to the 40 ~ 50% of original volume, is obtained base-material；
（3）In 60 ~ 65 DEG C, 20 ~ 30 parts of epoxy resin dilutions, 1 ~ 4 part of plasticizer, 8 ~ 15 parts of surfaces is taken to live according to the mass fraction
Property agent, is stirred 45~60min, obtains premix, take 0.5 ~ 2 part of talcum powder, 3 ~ 7 parts of nano magnesias, 6 ~ 10 parts of anti-aging
Premix is added in agent, in 110 ~ 120 DEG C, stirs 40 ~ 60min, obtains mixture；
（4）According to the mass fraction, 30 ~ 40 parts of mixtures, 25 ~ 35 parts of base-materials, 10 ~ 15 parts of auxiliary materials, 20 ~ 30 parts of conductive carbon fibres are taken
Dimension, 50 ~ 60 parts of water obtain mixed liquor in 90 ~ 100 DEG C of mixings, are cooled to 45 ~ 60 DEG C, and 20 ~ 30 parts of steps are added（1）In it is standby
Extracting solution, 2 ~ 4h of ultrasonic disperse obtain feed liquid, and feeding liquid is concentrated under reduced pressure 3 ~ 4h in 60 ~ 75 DEG C, rotary evaporation, must concentrate
Concentrate is plasticated, is formed a film to get Mobile phone film by liquid.
2. a kind of preparation method of Mobile phone film according to claim 1, which is characterized in that the step（2）Middle solvent is
In mass ratio 1：1 ~ 2 takes ether and petroleum ether to mix to get solvent.
3. a kind of preparation method of Mobile phone film according to claim 1, which is characterized in that the plasticizer is O-phthalic
Any one in dioctyl phthalate, dioctyl adipate or octyl epoxy stearate.
4. a kind of preparation method of Mobile phone film according to claim 1, which is characterized in that the lubricant is phenyl trichlorine
Any one or a few in silane, dimethicone, dichloromethyl phenylsilane.
5. a kind of preparation method of Mobile phone film according to claim 1, which is characterized in that the surfactant is by matter
Measure ratio 1：3 ~ 4 take stearic acid and dodecyldimethylammonium hydroxide inner salt to mix to get surfactant.
6. a kind of preparation method of Mobile phone film according to claim 1, which is characterized in that the antiaging agent is anti-aging
Agent RD and microwax are 2 in mass ratio：1 ~ 2 mixing is to get antiaging agent.
7. a kind of preparation method of Mobile phone film according to claim 1, which is characterized in that the epoxy resin dilution is
In mass ratio 1:7~10:2 are mixed by epoxy resin, phenyl glycidyl ether, ethylene oxide to get epoxy resin dilution.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102786875A (en) * | 2012-08-27 | 2012-11-21 | 杭州惠之星科技有限公司 | Anti-static hardened film |
| CN104293220A (en) * | 2014-07-07 | 2015-01-21 | 苏州世优佳电子科技有限公司 | Mobile phone film |
| CN105001606A (en) * | 2015-06-25 | 2015-10-28 | 青岛克立克信息技术有限公司 | Mobile phone film with wear resistance |
| CN105802154A (en) * | 2016-05-03 | 2016-07-27 | 苏州天擎电子通讯有限公司 | Wearproof antiskid type mobile phone protective shell |
| CN105949715A (en) * | 2016-05-03 | 2016-09-21 | 苏州天擎电子通讯有限公司 | Wear-resistant type handset protective film |
| CN105965987A (en) * | 2016-05-03 | 2016-09-28 | 苏州天擎电子通讯有限公司 | Radiation prevention mobile phone protection film |
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2018
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| CN102786875A (en) * | 2012-08-27 | 2012-11-21 | 杭州惠之星科技有限公司 | Anti-static hardened film |
| CN104293220A (en) * | 2014-07-07 | 2015-01-21 | 苏州世优佳电子科技有限公司 | Mobile phone film |
| CN105001606A (en) * | 2015-06-25 | 2015-10-28 | 青岛克立克信息技术有限公司 | Mobile phone film with wear resistance |
| CN105802154A (en) * | 2016-05-03 | 2016-07-27 | 苏州天擎电子通讯有限公司 | Wearproof antiskid type mobile phone protective shell |
| CN105949715A (en) * | 2016-05-03 | 2016-09-21 | 苏州天擎电子通讯有限公司 | Wear-resistant type handset protective film |
| CN105965987A (en) * | 2016-05-03 | 2016-09-28 | 苏州天擎电子通讯有限公司 | Radiation prevention mobile phone protection film |
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Application publication date: 20181016 |