CN113845858A - Antistatic touch screen protection film - Google Patents
Antistatic touch screen protection film Download PDFInfo
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- CN113845858A CN113845858A CN202111242927.2A CN202111242927A CN113845858A CN 113845858 A CN113845858 A CN 113845858A CN 202111242927 A CN202111242927 A CN 202111242927A CN 113845858 A CN113845858 A CN 113845858A
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- antistatic
- touch screen
- nickel
- polyphenylene sulfide
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- -1 manganese sulfide-cerium dioxide Chemical compound 0.000 claims abstract description 92
- 239000004734 Polyphenylene sulfide Substances 0.000 claims abstract description 60
- 229920000069 polyphenylene sulfide Polymers 0.000 claims abstract description 60
- 238000002156 mixing Methods 0.000 claims abstract description 50
- 230000001681 protective effect Effects 0.000 claims abstract description 42
- 239000010410 layer Substances 0.000 claims abstract description 41
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 33
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 33
- 238000003825 pressing Methods 0.000 claims abstract description 31
- 238000002844 melting Methods 0.000 claims abstract description 26
- 230000008018 melting Effects 0.000 claims abstract description 26
- 238000007731 hot pressing Methods 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 16
- 238000001755 magnetron sputter deposition Methods 0.000 claims abstract description 8
- 239000012790 adhesive layer Substances 0.000 claims abstract description 7
- 229920001971 elastomer Polymers 0.000 claims abstract description 6
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims abstract description 3
- 239000000806 elastomer Substances 0.000 claims abstract description 3
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 3
- 239000011737 fluorine Substances 0.000 claims abstract description 3
- 125000001153 fluoro group Chemical group F* 0.000 claims abstract description 3
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims abstract description 3
- 238000000137 annealing Methods 0.000 claims description 25
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 21
- 239000000843 powder Substances 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000000758 substrate Substances 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 14
- 238000005303 weighing Methods 0.000 claims description 13
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 12
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 12
- 229910052946 acanthite Inorganic materials 0.000 claims description 12
- 239000004202 carbamide Substances 0.000 claims description 12
- 239000003054 catalyst Substances 0.000 claims description 12
- QQZMWMKOWKGPQY-UHFFFAOYSA-N cerium(3+);trinitrate;hexahydrate Chemical compound O.O.O.O.O.O.[Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O QQZMWMKOWKGPQY-UHFFFAOYSA-N 0.000 claims description 12
- 239000012153 distilled water Substances 0.000 claims description 12
- WNAHIZMDSQCWRP-UHFFFAOYSA-N dodecane-1-thiol Chemical compound CCCCCCCCCCCCS WNAHIZMDSQCWRP-UHFFFAOYSA-N 0.000 claims description 12
- JRBPAEWTRLWTQC-UHFFFAOYSA-N dodecylamine Chemical compound CCCCCCCCCCCCN JRBPAEWTRLWTQC-UHFFFAOYSA-N 0.000 claims description 12
- QXDQSQFLCULCEC-UHFFFAOYSA-L n,n-dibutylcarbamodithioate;manganese(2+) Chemical compound [Mn+2].CCCCN(C([S-])=S)CCCC.CCCCN(C([S-])=S)CCCC QXDQSQFLCULCEC-UHFFFAOYSA-L 0.000 claims description 12
- 229940056910 silver sulfide Drugs 0.000 claims description 12
- XUARKZBEFFVFRG-UHFFFAOYSA-N silver sulfide Chemical compound [S-2].[Ag+].[Ag+] XUARKZBEFFVFRG-UHFFFAOYSA-N 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 239000013077 target material Substances 0.000 claims description 12
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 9
- 229910052744 lithium Inorganic materials 0.000 claims description 9
- NIXOWILDQLNWCW-UHFFFAOYSA-M acrylate group Chemical group C(C=C)(=O)[O-] NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 7
- 238000000151 deposition Methods 0.000 claims description 7
- 238000000227 grinding Methods 0.000 claims description 7
- 239000011812 mixed powder Substances 0.000 claims description 7
- 238000004544 sputter deposition Methods 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 230000035484 reaction time Effects 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 239000000155 melt Substances 0.000 claims description 4
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims 2
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims 2
- 239000011572 manganese Substances 0.000 claims 2
- 229910052748 manganese Inorganic materials 0.000 claims 2
- 239000012528 membrane Substances 0.000 claims 2
- 229940044927 ceric oxide Drugs 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- HNCXPJFPCAYUGJ-UHFFFAOYSA-N dilithium bis(trifluoromethylsulfonyl)azanide Chemical compound [Li+].[Li+].FC(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F.FC(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F HNCXPJFPCAYUGJ-UHFFFAOYSA-N 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 150000002500 ions Chemical class 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 description 10
- QSZMZKBZAYQGRS-UHFFFAOYSA-N lithium;bis(trifluoromethylsulfonyl)azanide Chemical compound [Li+].FC(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F QSZMZKBZAYQGRS-UHFFFAOYSA-N 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 239000000203 mixture Substances 0.000 description 4
- 229910003473 lithium bis(trifluoromethanesulfonyl)imide Inorganic materials 0.000 description 3
- 230000003993 interaction Effects 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/29—Laminated material
-
- 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
- C08J5/18—Manufacture of films or sheets
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- 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
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2327/18—Homopolymers or copolymers of tetrafluoroethylene
-
- 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
- C08J2381/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen, or carbon only; Polysulfones; Derivatives of such polymers
- C08J2381/02—Polythioethers; Polythioether-ethers
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- 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
- C08J2427/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2427/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2427/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2427/18—Homopolymers or copolymers of tetrafluoroethylene
-
- 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
- C08J2481/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen, or carbon only; Polysulfones; Derivatives of such polymers
- C08J2481/02—Polythioethers; Polythioether-ethers
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- 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
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0862—Nickel
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- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/221—Oxides; Hydroxides of metals of rare earth metal
- C08K2003/2213—Oxides; Hydroxides of metals of rare earth metal of cerium
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3009—Sulfides
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/43—Compounds containing sulfur bound to nitrogen
- C08K5/435—Sulfonamides
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- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
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- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/16—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer
- C09J2301/162—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer the carrier being a laminate constituted by plastic layers only
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Abstract
The invention belongs to the technical field of touch screen protective films, and particularly relates to an antistatic touch screen protective film which comprises a release film layer, an adhesive layer, an antistatic layer and a base material layer, wherein the release film layer is a fluorine release film, the antistatic layer is prepared by hot-pressing and film-forming a layered manganese sulfide-cerium dioxide, nickel-polyphenylene sulfide deposited polytetrafluoroethylene and bis-trifluoromethanesulfonimide lithium after melting and mixing, and then cold pressing at room temperature, and the base material is a thermoplastic polyurethane elastomer rubber film, and the antistatic touch screen protective film has the beneficial effects that: the nickel-polyphenylene sulfide is deposited on the polytetrafluoroethylene film through magnetron sputtering, the sheet resistance is reduced, the antistatic function is realized, the layered structure of the layered manganese sulfide-cerium dioxide provides an ion transmission channel, and the antistatic performance of the touch screen protective film is improved.
Description
Technical Field
The invention belongs to the technical field of touch screen protection films, and particularly relates to an antistatic touch screen protection film and a preparation method thereof.
Background
The touch screen is a simple, convenient and natural man-machine interaction mode, gives multimedia a brand-new appearance, is a brand-new multimedia interaction device with great attractiveness, is mainly applied to the aspects of inquiry of public information, industrial control, military command, electronic games, multimedia teaching and the like, and needs to be covered with a protective film on the surface to protect the touch screen when the touch screen is used.
The protective film can be divided into a digital product protective film, an automobile protective film, a household protective film, a food fresh-keeping protective film and the like according to the application, along with the popularization of digital products such as mobile phones and the like in China, the protective film has become a general name of the screen protective film slowly, the functions of the protective film in the field of the screen protective film are also five-flower eight-door, high-definition scratch resistance, wear resistance, blue light resistance and the like, but the existing protective film has poor antistatic performance, a large amount of dust is easily adsorbed on the surface, the cleaning is difficult, and a new technology is urgently needed to overcome the problems.
Disclosure of Invention
Technical problem to be solved
The invention aims to provide an antistatic touch screen protective film and a preparation method thereof, and solves the problem that the antistatic performance of the touch screen protective film is poor.
(II) technical scheme
In order to solve the problems, the invention provides an antistatic touch screen protective film which comprises a release film layer, an adhesive layer, an antistatic layer and a base material layer, wherein the release film layer is a fluorine release film, the antistatic layer is prepared by melting and mixing layered manganese sulfide-cerium dioxide, nickel-polyphenylene sulfide deposited polytetrafluoroethylene and bis (trifluoromethanesulfonimide) lithium, hot-pressing to form a film, and cold pressing at room temperature, and the base material is a thermoplastic polyurethane elastomer rubber film.
A preparation method of an antistatic touch screen protective film comprises the following steps:
(1) weighing cerium nitrate hexahydrate, adding into distilled water, adding urea, ethylenediamine, dodecanethiol, dodecylamine, a silver sulfide catalyst and manganese dibutyldithiocarbamate, mixing, stirring, transferring into a reaction kettle for reaction, alternately washing with water and alcohol for three times after the reaction is finished, and finally annealing to obtain layered manganese sulfide-cerium dioxide;
(2) fully mixing nickel powder and polyphenylene sulfide powder, placing the mixed powder in a mould, pressing under the pressure of 200 kilo-gram force/cm, carrying out heat treatment, pressing the composite material again, then annealing at 250 ℃ to eliminate residual stress, grinding to obtain a circular nickel-polyphenylene sulfide target material with the diameter of 4 inches, depositing nickel-polyphenylene sulfide by taking a polytetrafluoroethylene film as a substrate, and carrying out medium-frequency magnetron sputtering to obtain polytetrafluoroethylene deposited with nickel-polyphenylene sulfide;
(3) weighing layered manganese sulfide-cerium dioxide, nickel-polyphenylene sulfide deposited polytetrafluoroethylene and lithium bis (trifluoromethanesulfonylimide) into a mixing container, carrying out hot pressing to form a film after melting and mixing, then carrying out cold pressing at room temperature to obtain an antistatic layer, and sequentially stacking and assembling a release film layer, an adhesive layer, the antistatic layer and a base material layer to obtain the antistatic touch screen protective film.
Preferably, the mixing mass ratio of the cerous nitrate hexahydrate, the distilled water, the urea, the ethylenediamine, the dodecanethiol, the dodecylamine, the silver sulfide catalyst and the manganese dibutyldithiocarbamate in the step (1) is 1.4-1.6:25-30:4.2-4.9:8-12:7-10:4-7:1-4:0.02-0.10, the stirring time is 30-45min, the reaction temperature is 120-160 ℃, the reaction time is 48-50h, the annealing temperature is 380-400 ℃, and the annealing time is 4-5 h.
Preferably, the mass ratio of the nickel powder to the polyphenylene sulfide powder in the step (2) is 10-20:15-25, the size of the nickel powder is 5-20 microns, the size of the polyphenylene sulfide powder is 20-25 microns, the heat treatment temperature is 300-375 ℃, the distance between the target and the substrate is 22-24cm, and the sputtering power density is 3.52-4.32W/cm2。
Preferably, the mass ratio of the layered manganese sulfide-cerium oxide, the nickel-polyphenylene sulfide deposited polytetrafluoroethylene and the lithium bis (trifluoromethanesulfonyl) imide in the step (3) is 20-30:70-80: 0.6-1.
Preferably, in the step (3), the melting temperature is 180-190 ℃, the melt mixing speed is 40-50rpm, the melt mixing time is 3-6min, the hot pressing temperature is 180-200 ℃, the hot pressing pressure is 8-10MPa, the cold pressing pressure is 2-4MPa, and the adhesive layer is an acrylate adhesive.
Compared with the prior art, the method has the beneficial effects that:
(1) the invention provides an anti-static touch screen protective film and a preparation method thereof.
(2) The invention provides an anti-static touch screen protective film and a preparation method thereof.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A preparation method of an antistatic touch screen protective film comprises the following steps:
the mass ratio is as follows: the weight ratio of the mixture of cerium nitrate hexahydrate, distilled water, urea, ethylenediamine, dodecanethiol, dodecylamine, a silver sulfide catalyst and manganese dibutyldithiocarbamate is 1.4:25:4.2:8:7:4:1:0.02, the weight ratio of nickel powder to polyphenylene sulfide powder is 10:15, and the weight ratio of layered manganese sulfide-cerium oxide, nickel-polyphenylene sulfide deposited polytetrafluoroethylene and lithium bistrifluoromethanesulfonimide is 20:70: 0.6.
(1) Weighing cerium nitrate hexahydrate, adding into distilled water, adding urea, ethylenediamine, dodecanethiol, dodecylamine, a silver sulfide catalyst and manganese dibutyldithiocarbamate, mixing, stirring, transferring into a reaction kettle for reaction, wherein the stirring time is 30min, the reaction temperature is 120 ℃, the reaction time is 48h, after the reaction is finished, alternately washing with water and alcohol for three times, and finally annealing, wherein the annealing temperature is 380 ℃, and the annealing time is 4h, so as to prepare layered manganese sulfide-cerium dioxide;
(2) fully mixing nickel powder and polyphenylene sulfide powder, wherein the size of the nickel powder is 5 microns, the size of the polyphenylene sulfide powder is 20 microns, placing the mixed powder into a mould, pressing under the pressure of 200 kilograms force/cm, carrying out heat treatment, the heat treatment temperature is 300 ℃, pressing the composite material again, then annealing at 250 ℃ to eliminate residual stress, grinding to obtain a circular nickel-polyphenylene sulfide target material with the diameter of 4 inches, taking a polytetrafluoroethylene film as a substrate, depositing nickel-polyphenylene sulfide, carrying out medium-frequency magnetron sputtering, wherein the distance between the target material and the substrate is 22cm, and the sputtering power density is 3.52W/cm2Obtaining polytetrafluoroethylene deposited by nickel-polyphenylene sulfide;
(3) weighing layered manganese sulfide-cerium dioxide, nickel-polyphenylene sulfide deposited polytetrafluoroethylene and lithium bis (trifluoromethanesulfonylimide) into a mixing container, adding the materials into the mixing container, carrying out hot pressing and film forming after melting and mixing, wherein the hot pressing temperature is 180 ℃, the hot pressing pressure is 8MPa, the melting temperature is 180 ℃, the melting and mixing rotating speed is 40rpm, the melting and mixing time is 3min, then carrying out cold pressing at room temperature to prepare an antistatic layer, the cold pressing pressure is 2MPa, and sequentially stacking and assembling a release film, an acrylate adhesive, the antistatic layer and a base material layer to obtain the antistatic touch screen protective film.
Example 2
A preparation method of an antistatic touch screen protective film comprises the following steps:
the mass ratio is as follows: the weight ratio of the mixture of cerium nitrate hexahydrate, distilled water, urea, ethylenediamine, dodecanethiol, dodecylamine, a silver sulfide catalyst and manganese dibutyldithiocarbamate is 1.45:26:4.4:9:8:5:2:0.03, the weight ratio of nickel powder to polyphenylene sulfide powder is 12:16, and the weight ratio of layered manganese sulfide-cerium oxide, nickel-polyphenylene sulfide deposited polytetrafluoroethylene and lithium bistrifluoromethanesulfonimide is 22:72: 0.7.
(1) Weighing cerium nitrate hexahydrate, adding into distilled water, adding urea, ethylenediamine, dodecanethiol, dodecylamine, a silver sulfide catalyst and manganese dibutyldithiocarbamate, mixing, stirring, transferring into a reaction kettle for reaction, wherein the stirring time is 32min, the reaction temperature is 130 ℃, the reaction time is 48.5h, after the reaction is finished, alternately washing three times with water and alcohol, and finally annealing, wherein the annealing temperature is 395 ℃, and the annealing time is 4.2h to obtain layered manganese sulfide-cerium dioxide;
(2) fully mixing nickel powder and polyphenylene sulfide powder, wherein the size of the nickel powder is 6 microns, the size of the polyphenylene sulfide powder is 21 microns, placing the mixed powder in a mould, pressing under the pressure of 200 kilograms force/cm, carrying out heat treatment, wherein the heat treatment temperature is 315 ℃, pressing the composite material again, then annealing at 250 ℃ to eliminate residual stress, grinding to obtain a circular nickel-polyphenylene sulfide target material with the diameter of 4 inches, depositing nickel-polyphenylene sulfide by taking a polytetrafluoroethylene film as a substrate and carrying out medium-frequency magnetron sputtering, wherein the distance between the target material and the substrate is 22.5cm, and the sputtering power density is 3.72W/cm2 to obtain polytetrafluoroethylene deposited by nickel-polyphenylene sulfide;
(3) weighing layered manganese sulfide-cerium dioxide, nickel-polyphenylene sulfide deposited polytetrafluoroethylene and lithium bis (trifluoromethanesulfonylimide) into a mixing container, adding the materials into the mixing container, carrying out hot pressing and film forming after melting and mixing, wherein the hot pressing temperature is 185 ℃, the hot pressing pressure is 8.5MPa, the melting temperature is 185 ℃, the melting and mixing rotating speed is 42rpm, the melting and mixing time is 4min, then carrying out cold pressing at room temperature to prepare an antistatic layer, the cold pressing pressure is 2.5MPa, and sequentially stacking and assembling a release film layer, an acrylate adhesive, the antistatic layer and a base material layer to obtain the antistatic touch screen protective film.
Example 3
A preparation method of an antistatic touch screen protective film comprises the following steps:
the mass ratio is as follows: the weight ratio of the mixture of cerium nitrate hexahydrate, distilled water, urea, ethylenediamine, dodecanethiol, dodecylamine, a silver sulfide catalyst and manganese dibutyldithiocarbamate is 1.5:28:4.8:11:9:6:3:0.08, the weight ratio of nickel powder to polyphenylene sulfide powder is 18:19, and the weight ratio of layered manganese sulfide-cerium oxide, nickel-polyphenylene sulfide deposited polytetrafluoroethylene and lithium bistrifluoromethanesulfonimide is 28:78: 0.8.
(1) Weighing cerium nitrate hexahydrate, adding into distilled water, adding urea, ethylenediamine, dodecanethiol, dodecylamine, a silver sulfide catalyst and manganese dibutyldithiocarbamate, mixing, stirring, transferring into a reaction kettle for reaction, wherein the stirring time is 44min, the reaction temperature is 150 ℃, the reaction time is 49h, after the reaction is finished, alternately washing with water and alcohol for three times, and finally annealing, wherein the annealing temperature is 390 ℃, and the annealing time is 4.8h, so as to prepare layered manganese sulfide-cerium dioxide;
(2) fully mixing nickel powder and polyphenylene sulfide powder, wherein the size of the nickel powder is 18 microns, the size of the polyphenylene sulfide powder is 24 microns, placing the mixed powder into a mould, pressing under the pressure of 200 kilograms force/cm, carrying out heat treatment, the heat treatment temperature is 365 ℃, pressing the composite material again, then annealing at 250 ℃ to eliminate residual stress, grinding to obtain a circular nickel-polyphenylene sulfide target material with the diameter of 4 inches, taking a polytetrafluoroethylene film as a substrate, depositing nickel-polyphenylene sulfide, carrying out medium-frequency magnetron sputtering, wherein the distance between the target material and the substrate is 23cm, and the sputtering power density is 4.12W/cm2Obtaining polytetrafluoroethylene deposited by nickel-polyphenylene sulfide;
(3) weighing layered manganese sulfide-cerium dioxide, nickel-polyphenylene sulfide deposited polytetrafluoroethylene and lithium bis (trifluoromethanesulfonylimide) into a mixing container, adding the materials into the mixing container, carrying out hot pressing and film forming after melting and mixing, wherein the hot pressing temperature is 190 ℃, the hot pressing pressure is 9MPa, the melting temperature is 185 ℃, the melting and mixing rotating speed is 48rpm, the melting and mixing time is 5min, then carrying out cold pressing at room temperature to prepare an antistatic layer, the cold pressing pressure is 3.5MPa, and sequentially stacking and assembling a release film layer, an acrylate adhesive, the antistatic layer and a base material layer to obtain the antistatic touch screen protective film.
Example 4
A preparation method of an antistatic touch screen protective film comprises the following steps:
the mass ratio is as follows: the weight ratio of the mixture of cerium nitrate hexahydrate, distilled water, urea, ethylenediamine, dodecanethiol, dodecylamine, a silver sulfide catalyst and manganese dibutyldithiocarbamate is 1.6:30:4.9:12:10:7:4:0.10, the weight ratio of nickel powder to polyphenylene sulfide powder is 20:25, and the weight ratio of layered manganese sulfide-cerium oxide, nickel-polyphenylene sulfide deposited polytetrafluoroethylene and lithium bistrifluoromethanesulfonimide is 30:80: 1.
(1) Weighing cerium nitrate hexahydrate, adding into distilled water, adding urea, ethylenediamine, dodecanethiol, dodecylamine, a silver sulfide catalyst and manganese dibutyldithiocarbamate, mixing, stirring, transferring into a reaction kettle for reaction, wherein the stirring time is 45min, the reaction temperature is 160 ℃, the reaction time is 50h, after the reaction is finished, alternately washing with water and alcohol for three times, and finally annealing, wherein the annealing temperature is 400 ℃, and the annealing time is 5h to prepare layered manganese sulfide-cerium dioxide;
(2) fully mixing nickel powder and polyphenylene sulfide powder, wherein the size of the nickel powder is 20 microns, the size of the polyphenylene sulfide powder is 25 microns, placing the mixed powder into a mould, pressing under the pressure of 200 kilograms force/cm, carrying out heat treatment, the heat treatment temperature is 375 ℃, pressing the composite material again, then annealing at 250 ℃ to eliminate residual stress, grinding to obtain a circular nickel-polyphenylene sulfide target material with the diameter of 4 inches, taking a polytetrafluoroethylene film as a substrate, depositing nickel-polyphenylene sulfide, carrying out medium-frequency magnetron sputtering, wherein the distance between the target material and the substrate is 24cm, and the sputtering power density is 4.32W/cm2Obtaining polytetrafluoroethylene deposited by nickel-polyphenylene sulfide;
(3) weighing layered manganese sulfide-cerium dioxide, nickel-polyphenylene sulfide deposited polytetrafluoroethylene and lithium bis (trifluoromethanesulfonylimide) into a mixing container, adding the materials into the mixing container, carrying out hot pressing and film forming after melting and mixing, wherein the hot pressing temperature is 200 ℃, the hot pressing pressure is 10MPa, the melting temperature is 190 ℃, the melting and mixing rotating speed is 50rpm, the melting and mixing time is 6min, then carrying out cold pressing at room temperature to prepare an antistatic layer, the cold pressing pressure is 4MPa, and sequentially stacking and assembling a release film layer, an acrylate adhesive, the antistatic layer and a base material layer to obtain the antistatic touch screen protective film.
Comparative example 1
A preparation method of a touch screen protective film comprises the following steps:
the mass ratio is as follows: the mass ratio of the nickel powder to the polyphenylene sulfide powder is 10:15, and the mass ratio of the nickel-polyphenylene sulfide deposited polytetrafluoroethylene to the lithium bis (trifluoromethanesulfonylimide) is 70: 0.6.
(1) Fully mixing nickel powder and polyphenylene sulfide powder, wherein the size of the nickel powder is 5 microns, the size of the polyphenylene sulfide powder is 20 microns, placing the mixed powder into a mould, pressing under the pressure of 200 kilograms force/cm, carrying out heat treatment, the heat treatment temperature is 300 ℃, pressing the composite material again, then annealing at 250 ℃ to eliminate residual stress, grinding to obtain a circular nickel-polyphenylene sulfide target material with the diameter of 4 inches, taking a polytetrafluoroethylene film as a substrate, depositing nickel-polyphenylene sulfide, carrying out medium-frequency magnetron sputtering, wherein the distance between the target material and the substrate is 22cm, and the sputtering power density is 3.52W/cm2Obtaining polytetrafluoroethylene deposited by nickel-polyphenylene sulfide;
(2) weighing polytetrafluoroethylene deposited by nickel-polyphenylene sulfide and lithium bis (trifluoromethanesulfonyl) imide, adding the polytetrafluoroethylene and the lithium bis (trifluoromethanesulfonyl) imide into a mixing container, carrying out hot pressing and film forming after melting and mixing, wherein the hot pressing temperature is 180 ℃, the hot pressing pressure is 8MPa, the melting temperature is 180 ℃, the melting and mixing speed is 40rpm, the melting and mixing time is 3min, then carrying out cold pressing at room temperature to prepare an antistatic layer, and the cold pressing pressure is 2MPa, and sequentially stacking and assembling an amorphous film layer, an acrylate adhesive, the antistatic layer and a base material layer to obtain the touch screen protective film.
The ratio of each component material in the antistatic layer prepared by the above examples and comparative examples is detailed in the following table 1:
TABLE 1
The touch screen protective films prepared in examples and comparative examples were subjected to performance tests:
the adhesion performance test standard is 180 degrees peeling at the speed of 300mm/min under the conditions of 23 ℃ and 50 percent RH. The surface resistance test was carried out using a surface resistance meter ST-4 of SIMCO, Japan, under the conditions of 23 ℃ and 50% RH. Wherein 20 spots per square meter of sample are randomly tested. The adhesion properties and surface resistance test results are shown in table 2:
TABLE 2
As can be seen from Table 2, the touch screen protective films prepared in examples 1-4 have adhesion greater than that of comparative example 1, the surface resistances of the touch screen protective films prepared in examples 1-4 are lower than that of comparative example 1 and are all in the antistatic range, and the antistatic properties of examples 1-4 are all higher than that of comparative example 1, indicating that the touch screen protective films prepared in the present invention have better antistatic properties.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides an antistatic touch screen protection film, its characterized in that, is including leaving type rete, adhesive layer, antistatic layer, substrate layer, it is fluorine from the type membrane to leave the type rete, the antistatic layer is by the hot pressing filming after the deposited polytetrafluoroethylene of lamellar manganese sulfide-ceric oxide, nickel-polyphenylene sulfide, two trifluoromethanesulfonylimide lithium melt mixing, cold pressing at room temperature again and makes, the substrate is thermoplastic polyurethane elastomer rubber membrane.
2. The method for preparing the antistatic touch screen protective film according to claim 1, comprising the steps of:
(1) weighing cerium nitrate hexahydrate, adding into distilled water, adding urea, ethylenediamine, dodecanethiol, dodecylamine, a silver sulfide catalyst and manganese dibutyldithiocarbamate, mixing, stirring, transferring into a reaction kettle for reaction, alternately washing with water and alcohol for three times after the reaction is finished, and finally annealing to obtain layered manganese sulfide-cerium dioxide;
(2) fully mixing nickel powder and polyphenylene sulfide powder, placing the mixed powder in a mould, pressing under the pressure of 200 kilograms force/cm, carrying out heat treatment, pressing the composite material again, then annealing at 250 ℃ to eliminate residual stress, grinding to obtain a circular nickel-polyphenylene sulfide target material with the diameter of 4 inches, depositing nickel-polyphenylene sulfide by taking a polytetrafluoroethylene film as a substrate, and carrying out medium-frequency magnetron sputtering to obtain polytetrafluoroethylene deposited with nickel-polyphenylene sulfide;
(3) weighing layered manganese sulfide-cerium dioxide, nickel-polyphenylene sulfide deposited polytetrafluoroethylene and lithium bis (trifluoromethanesulfonylimide) into a mixing container, carrying out hot pressing to form a film after melting and mixing, then carrying out cold pressing at room temperature to obtain an antistatic layer, and sequentially stacking and assembling a release film layer, an adhesive layer, the antistatic layer and a base material layer to obtain the antistatic touch screen protective film.
3. The method for preparing the antistatic touch screen protective film according to claim 2, wherein the mixing mass ratio of cerium nitrate hexahydrate, distilled water, urea, ethylenediamine, dodecanethiol, dodecylamine, silver sulfide catalyst and manganese dibutyldithiocarbamate in the step (1) is 1.4-1.6:25-30:4.2-4.9:8-12:7-10:4-7:1-4:0.02-0.10, the stirring time is 30-45min, the reaction temperature is 120-160 ℃, the reaction time is 48-50h, the annealing temperature is 380-400 ℃, and the annealing time is 4-5 h.
4. The method for preparing the antistatic touch screen protective film according to claim 2, wherein the mass ratio of the nickel powder to the polyphenylene sulfide powder in the step (2) is 10-20:15-25, the size of the nickel powder is 5-20 microns, the size of the polyphenylene sulfide powder is 20-25 microns, the heat treatment temperature is 300-375 ℃, the distance between the target and the substrate is 22-24cm, and the sputtering power density is 3.52-4.32W/cm2。
5. The method for preparing the antistatic touch screen protective film according to claim 2, wherein the mass ratio of the layered manganese sulfide-ceria, nickel-polyphenylene sulfide deposited polytetrafluoroethylene, lithium bis (trifluoromethanesulfonylimide) in the step (3) is 20-30:70-80: 0.6-1.
6. The method for preparing the antistatic touch screen protective film according to claim 2, wherein the melting temperature in the step (3) is 190 ℃, the melt mixing rotation speed is 40-50rpm, the melt mixing time is 3-6min, the hot pressing temperature is 180-200 ℃, the hot pressing pressure is 8-10MPa, the cold pressing pressure is 2-4MPa, and the adhesive layer is an acrylate adhesive.
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