CN108659734A - A kind of cured high just viscous stripping tapes and preparation method thereof again of antistatic UV - Google Patents
A kind of cured high just viscous stripping tapes and preparation method thereof again of antistatic UV Download PDFInfo
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- CN108659734A CN108659734A CN201810276245.5A CN201810276245A CN108659734A CN 108659734 A CN108659734 A CN 108659734A CN 201810276245 A CN201810276245 A CN 201810276245A CN 108659734 A CN108659734 A CN 108659734A
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- antistatic
- agent
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- visbreakings
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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
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4266—Polycondensates having carboxylic or carbonic ester groups in the main chain prepared from hydroxycarboxylic acids and/or lactones
- C08G18/4269—Lactones
- C08G18/4277—Caprolactone and/or substituted caprolactone
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/67—Unsaturated compounds having active hydrogen
- C08G18/671—Unsaturated compounds having only one group containing active hydrogen
- C08G18/672—Esters of acrylic or alkyl acrylic acid having only one group containing active hydrogen
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/24—Electrically-conducting paints
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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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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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
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
- C09J175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
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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
- 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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- 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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
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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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
- C09J2301/414—Additional features of adhesives in the form of films or foils characterized by the presence of essential components presence of a copolymer
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The present invention relates to UV solidification glue band technical fields, more particularly to a kind of cured high just viscous stripping tapes and preparation method thereof again of antistatic UV, the cured high just viscous stripping tapes again of the antistatic UV include the antistatic basement membrane set gradually, antistatic UV visbreakings glue-line and anti-static release film, and the antistatic UV visbreakings glue-line is made of the raw material of following parts by weight：0 100 parts of 100 parts of acrylate pressure-sensitive adhesive, 20 80 parts of UV prepolymers, 0.5 5 parts of curing agent, 0.2 5 parts of photoinitiator, 05 parts of antistatic agent and solvent.The cured high just viscous stripping tapes again of antistatic UV of the present invention, initial peeling force is larger, and after UV illumination, peeling force die-offs, there is anlistatig effect again simultaneously, solve the problems, such as existing UV visbreakings adhesive tape can not antistatic, existing antistatic UV visbreakings adhesive tape it is low just viscous.
Description
Technical field
The present invention relates to UV solidification glue band technical fields, and in particular to a kind of antistatic cured height of UV is just viscous to remove glue again
Band and preparation method thereof.
Background technology
Stripping tape is generally also UV visbreaking adhesive tapes again for UV solidifications, refers to having higher bonding force in a normal state, passes through
Bonding force drastically declines after the irradiation of UV light, so as to the adhesive tape easily removed.This adhesive tape is often in mobile phone screen, lithium electricity
In the process of the precise materials such as pond, magnetic head, semiconductor crystal wafer, use is brought as a kind of Protection glue.
Such as in the process of magnetic head, when magnetic sheet material is cut, in order to fix magnetic sheet, the bonding of adhesive tape is needed
Overcome possible big, can prevent tiny magnetic head from collapsing or damage cutter in this way；After cutting, tiny magnetic head is square again
Just it picks, at this moment the bonding force of adhesive tape needs small as far as possible, and magnetic head is made easily to be removed from adhesive tape.In addition, in magnetic head
Cutting or with adhesive tape remove during, it is easy to generate electrostatic, the functionality of magnetic head impacted, follow-up test is caused
The reduction of middle yield.
Equally, in the process of mobile phone screen, screen scratches in order to prevent, needs to cover one layer of Protection glue band,
There is certain bonding force to screen；Facilitate again after processing and this layer of adhesive tape is taken down, it is desirable that bonding force is very small, is easy from screen
It is removed on curtain.Equally had in this mobile phone screen process electrostatic generation, cause yield to decline, and damage pseudo-machine and
The risk of operating personnel.
Patent CN204569803U discloses a kind of UV cutting films with anti-static function, and specific method is in PET bases
Material surface layer coats one layer of antistatic layer, but there is no the demands of visbreaking before and after solution UV illumination.Patent CN105778806A is disclosed
A kind of heat resistant type UV visbreakings glue composition and UV visbreaking protective films, peeling force declines before and after can making UV illumination, and is resistant to 120
DEG C high temperature, but can not realize the anlistatig purpose of membrane material.Patent CN107022319A discloses a kind of antistatic UV visbreakings
The preparation process of composition, protective film and the protective film, due to lower sheet resistance, can effectively avoid using
Electrostatic is generated in the process, reduces the absorption of dust, but the peeling force before its UV is relatively low.
Invention content
In order to overcome shortcoming and defect existing in the prior art, it is solid that the purpose of the present invention is to provide a kind of antistatic UV
The just viscous stripping tape again of height of change, solve existing UV visbreakings adhesive tape can not antistatic, existing antistatic UV visbreakings adhesive tape it is low just
Viscous problem.
Another object of the present invention is to provide a kind of preparation method of the cured high just viscous stripping tapes again of antistatic UV,
Harsh working condition and equipment are not needed, scale of mass production is particularly suitable for, there is good economic benefit.
The purpose of the invention is achieved by the following technical solution：A kind of cured high just viscous stripping tapes again of antistatic UV,
Including the antistatic basement membrane, antistatic UV visbreakings glue-line and anti-static release film set gradually, the antistatic UV visbreakings glue-line
It is made of the raw material of following parts by weight：
The cured height of antistatic UV of the invention is just viscous, and stripping tape, antistatic UV visbreakings glue-line pass through the above raw material again
It prepares, keeps its initial peeling force larger, and after UV illumination, peeling force die-offs, while having anlistatig effect again, solution
Having determined existing UV visbreakings adhesive tape can not the low just viscous problem of antistatic, existing antistatic UV visbreakings adhesive tape.More preferably, propylene
A kind of synthetic method of acid esters pressure sensitive adhesive is that the acrylic acid of the butyl acrylate of 120-160 parts by weight, 20-40 parts by weight is different pungent
The metering system of ester, the methyl methacrylate of 40-60 parts by weight, the hydroxyethyl methacrylate of 8-12 parts by weight, 1-2 parts by weight
Acid glycidyl ester, the acrylic acid of 10-20 parts by weight, the azodiisobutyronitrile of 0.5-1.5 parts by weight, 200-400 parts by weight
Ethyl ester and the toluene of 80-120 parts by weight are added in reaction bulb in order, are warming up to 60-80 DEG C, are stirred to react 3-7h, cool down and
Material is to get the acrylate pressure-sensitive adhesive.
The antistatic basement membrane includes base material film and the antistatic agent coating coated on the base material film, the base material film are
One or more of PE films, PP films, PET film, PO films, PS films, PVC film, PU films it is compound, the thickness of the base material film is 5-
200 μm, the antistatic agent coating is the cationic outer spreading type antistatic agent coating that thickness is 1-5 μm.The anti-static release
Film is that one side applies mould release, applies the PET film of antistatic agent on one side, and film thickness is 20-100 μm.
Preferably, 180 ° of peeling forces of the antistatic UV visbreakings glue-line are 10-30N/25mm before UV illumination, in UV light
180 ° of peeling forces according to the rear antistatic UV visbreakings glue-line are 0.02-0.2N/25mm.
180 ° of peeling forces of the antistatic UV visbreakings glue-line metal sheet material are 10-30N/25mm before UV illumination,
180 ° of peeling forces of the antistatic UV visbreakings glue-line metal sheet material are down to 0.02-0.2N/25mm, the UV after UV illumination
Radiant is mercury lamp or LED light, light energy 100-600mJ/cm2.In the present invention, the initial stripping of antistatic UV visbreakings glue-line
Power setting is larger, meets and uses needs, after UV illumination, peeling force die-offs, and can remove easily, does not have other side effects.
Preferably, the acrylate pressure-sensitive adhesive is solvent type, and initial 180 ° of peeling forces are 5-20N/25mm, solid content
For 30-60%.
The present invention is the acrylate pressure-sensitive adhesive of 5-20N/25mm by selecting initial 180 ° of peeling forces, is used to prepare this hair
Bright stripping tape again can meet high just viscous condition of the invention by simply allocating, if the Acrylate pressure sensitive of selection
The peeling force of glue is too small, then cannot be satisfied high just viscous condition of the invention, if the peeling force of the acrylate pressure-sensitive adhesive of selection
It is too big, then its just viscous too high, difficulty increase that the later stage passes through UV illumination visbreakings of stripping tape again obtained.
Preferably, the UV prepolymers are by the isocyanates of polyfunctionality, oligomer polyol and crylic acid hydroxy ester
Reaction is prepared.
The UV prepolymers are to be reacted to prepare by the isocyanates of polyfunctionality, oligomer polyol and crylic acid hydroxy ester
Urethane acrylate.
Preferably, the specific synthetic method of the UV prepolymers includes the following steps：
(1) it is 1.2-3 according to the molar ratio of isocyanate group, alcoholic extract hydroxyl group and dihydroxypropyl:1:0.2-2 weighs more respectively
Isocyanates, oligomer polyol and the crylic acid hydroxy ester of degree of functionality；
(2) at a temperature of 40-70 DEG C, make the isocyanates of polyfunctionality, oligomer polyol in a certain amount of metal carboxylic
Reaction is complete to alcoholic extract hydroxyl group consumption in the presence of phosphate catalyst；
(3) at a temperature of 40-70 DEG C, crylic acid hydroxy ester, certain is separately added into the reaction product obtained by step (2)
Polymerization inhibitor and a certain amount of organotin catalysts are measured, reaction is complete to isocyanate group consumption；
(4) a certain amount of solvent is added into the reaction product obtained by step (3) and keeps the temperature a timing at a temperature of 40-70 DEG C
Between, the UV prepolymers are made.
When reaction, isocyanate group first occurs instead with alcoholic extract hydroxyl group in the presence of a certain amount of metal carboxylates catalysts
It answers, due to isocyanate group excess, after alcoholic extract hydroxyl group consumption completely, also remaining isocyanate group does not participate in reaction, at this time
Crylic acid hydroxy ester, a certain amount of polymerization inhibitor and a certain amount of organotin catalysts are added dropwise into reaction solution, organotin catalyzed
Under the action of agent, the dihydroxypropyl in crylic acid hydroxy ester reacts with isocyanate group, while in the effect of polymerization inhibitor
Under, so that the double bond in crylic acid hydroxy ester is retained, is used for polymerisation reaction when subsequent UV photocurings, in addition isocyanic acid
Ester group and dihydroxypropyl react completely, UV prepolymers obtained can also more stablized, so that UV visbreakings glue obtained
Glutinous agent is more stablized.The quality of the metal carboxylates catalysts of addition accounts for the 0.05%-0.15% of the gross mass of reactant, addition
Polymerization inhibitor quality and crylic acid hydroxy ester mass ratio be 1:The quality of 25-50, the organotin catalysts of addition account for propylene
The 0.02%-0.10% of the quality of sour hydroxy ester.More preferably, polymerization inhibitor is p-hydroxyanisole, and organotin catalysts are
Butyl tin.In the step (4), solvent is the combination of one or more of ethyl acetate, toluene, acetone, the solvent of addition
Amount be advisable so that the reaction product in step (3) can be flooded completely, the purpose of soaking time 0.5-2h, heat preservation are so that anti-
Should the residual of the isocyanate group in reaction system be more fully reduced as far as possible.
Preferably, the isocyanates of the polyfunctionality is triphenylmethane triisocyanate, hexa-methylene diisocyanate
Ester tripolymer, toluene diisocyanate trimer, isophorone diisocyanate trimer, tri o cresyl thiophosphate (4- phenyl isocyanides
Acid esters) one or more of combination.
Preferably, the oligomer polyol is polycaprolactone polyol, polycarbonate polyol, polyether polyol, gathers
The combination of one or more of tetrahydrofuran polyalcohol；The crylic acid hydroxy ester is hydroxy-ethyl acrylate, acrylic acid hydroxypropyl
The combination of one or more of ester, hy-droxybutyl, hydroxyethyl methacrylate, hydroxy propyl methacrylate.
The present invention is made anti-by isocyanates, oligomer polyol and the crylic acid hydroxy ester of the above polyfunctionality of selection
Answer active moderate, easily controllable reaction rate.
More specifically, a kind of synthetic method of the UV prepolymers is as follows：The HDI trimer of 120-170 parts by weight
It is added in reaction bulb with the PPG-1000 of 80-130 parts by weight, is warming up to 40-70 DEG C, the certain of 0.01-0.03 parts by weight is added
The metal carboxylates catalysts of amount react 1-2h, and the hydroxy-ethyl acrylates of 50-100 parts by weight, 2-4 parts by weight are then added dropwise
The butyl tin of p-hydroxyanisole and 0.01-0.02 parts by weight, the reaction was continued 1-3h are eventually adding the acetic acid of 50-100 parts by weight
Ethyl ester keeps the temperature 0.5-1.5h, and the UV prepolymers are made.
Preferably, the curing agent is in polyisocyanate curing agent, epoxy hardener, organic peroxide curing agent
One or more of combinations；It is that free radical type light draws one or more of agent or cationic photoinitiator that the light, which draws agent,
Combination；The antistatic agent is organolithium salt antistatic agent and/or organic ammonium salt antistatic agent.
The photoinitiator is 1- hydroxycyclohexyl phenyl ketones, 2- hydroxy-methyl phenyl-propane -1- ketone, 2- methyl-1s -
(4- methyl mercaptos phenyl) -2- morpholinyl -1- acetone, benzoin dimethylether, benzophenone, 2- isopropyl thioxanthones, 2,4,6-
One or more of (trimethylbenzoyl)-diphenyl phosphine oxide.The present invention select with photoinitiator, in UV illumination
It penetrates down, under the action of photoinitiator, polymerisation occurs for antistatic UV visbreakings glue-line, preferably realizes UV visbreaking effects.
The more preferably described photoinitiator is 1- hydroxycyclohexyl phenyl ketones, 2- methyl-1s-(4- methyl mercaptos phenyl) -2- morpholines
Base -1- acetone and benzophenone are 1-2 according to mass ratio：0.5-0.8:1 compounds.
A kind of preparation method of the cured high just viscous stripping tapes again of antistatic UV, includes the following steps：
(1) acrylate pressure-sensitive adhesive, UV prepolymers, curing agent, photoinitiator and antistatic agent are sequentially added in solvent,
Certain time is stirred, UV visbreaking adhesives are obtained；
(2) antistatic agent is coated on to the one side of basement membrane, antistatic basement membrane is made；
(3) antistatic agent is coated on to the non-layer upper surface of release film, anti-static release film is made；
(4) the UV visbreaking adhesives in the step (1) are coated on to the anti-quiet of the antistatic basement membrane in the step (2)
Electric face, after drying, the antistatic face note for being coated with UV visbreaking adhesives invests the layer upper surface of anti-static release film, in 40-80
It is cured 1-4 days at a temperature of DEG C, the cured high just viscous stripping tapes again of the antistatic UV is made.
In the step (1), above-mentioned raw materials are mixed, 20-40min is stirred under 300-400rpm mixing speeds, with 100
Mesh filter-cloth filtering stands 20-40min and the UV visbreakings adhesive is made, and the solid content of the UV visbreakings adhesive is 28%-
35%, the solvent is the combination of one or more of ethyl acetate, toluene, acetone, and drying temperature is 50-120 DEG C, drying
Time is 1-10min；In the step (2), antistatic agent is coated on to the one side of basement membrane, 1- is dried at a temperature of 50-120 DEG C
Antistatic basement membrane is made in 10min；In the step (3), antistatic agent is coated on to the non-layer upper surface of release film, in 50-120
1-10min is dried at a temperature of DEG C, and anti-static release film is made.
The beneficial effects of the present invention are：The cured high just viscous stripping tapes again of antistatic UV of the present invention, it is initial to remove
Power is larger, and after UV illumination, peeling force die-offs, while having anlistatig effect again, solves existing UV visbreakings glue
Band can not the low just viscous problem of antistatic, existing antistatic UV visbreakings adhesive tape.
The cured high just viscous stripping tapes again of antistatic UV of the present invention, the antistatic UV visbreakings glue-line before UV illumination
180 ° of peeling forces of metal sheet material are 10-30N/25mm, the antistatic UV visbreakings glue-line metal sheet material after UV illumination
180 ° of peeling forces be down to 0.02-0.2N/25mm, the UV radiants are mercury lamp or LED light, light energy 100-600mJ/
cm2.In the present invention, the initial peeling force setting of antistatic UV visbreakings glue-line is larger, meets and uses needs, after UV illumination, stripping
It die-offs, can be removed easily from power, do not have other side effects.
The preparation method of the present invention is simple for process, does not need harsh working condition and equipment, is particularly suitable for large scale quantities
Production has good economic benefit.
Specific implementation mode
For the ease of the understanding of those skilled in the art, with reference to embodiment, the present invention is further illustrated, real
The content that the mode of applying refers to not is limitation of the invention.
Embodiment 1
A kind of cured height of antistatic UV is first to glue stripping tape again, including antistatic basement membrane, the antistatic UV set gradually
Visbreaking glue-line and anti-static release film, the antistatic UV visbreakings glue-line are made of the raw material of following parts by weight：
180 ° of peeling forces of the antistatic UV visbreakings glue-line are 10-12N/25mm, the institute after UV illumination before UV illumination
180 ° of peeling forces for stating antistatic UV visbreakings glue-line are 0.02-0.03N/25mm.
The acrylate pressure-sensitive adhesive is solvent type, and initial 180 ° of peeling forces are 5-8N/25mm, solid content 30%.
The UV prepolymers are to be reacted to prepare by the isocyanates of polyfunctionality, oligomer polyol and crylic acid hydroxy ester
It forms；The isocyanates of the polyfunctionality is triphenylmethane triisocyanate, and the oligomer polyol is polycaprolactone
Polyalcohol, the crylic acid hydroxy ester are hydroxy-ethyl acrylate.
The specific synthetic method of the UV prepolymers includes the following steps：
(1) it is 1.2 according to the molar ratio of isocyanate group, alcoholic extract hydroxyl group and hydroxy ethyl:1:0.2 weighs triphen respectively
Methylmethane triisocyanate, polycaprolactone polyol and hydroxy-ethyl acrylate；
(2) at a temperature of 40 DEG C, make triphenylmethane triisocyanate, polycaprolactone polyol in a certain amount of metal carboxylic
Reaction is complete to alcoholic extract hydroxyl group consumption in the presence of phosphate catalyst；
(3) at a temperature of 40 DEG C, hydroxy-ethyl acrylate, polymerization inhibitor are separately added into the reaction product obtained by step (2)
And butyl tin, reaction are complete to isocyanate group consumption；
(4) ethyl acetate and held for some time at a temperature of at 40 DEG C are added into the reaction product obtained by step (3),
The UV prepolymers are made.
The curing agent is polyisocyanate curing agent, and the photoinitiator is 1- hydroxycyclohexyl phenyl ketones, described
Antistatic agent is organolithium salt antistatic agent.
The preparation method of the cured high just viscous stripping tapes again of the antistatic UV, includes the following steps：
(1) acrylate pressure-sensitive adhesive, UV prepolymers, curing agent, photoinitiator and antistatic agent are mixed successively, stirring one
It fixes time, obtains UV visbreaking adhesives；
(2) antistatic agent is coated on to the one side of basement membrane, 10min is dried at a temperature of 50 DEG C, antistatic basement membrane is made；
(3) antistatic agent is coated on to the non-layer upper surface of release film, 10min is dried at a temperature of 50 DEG C, is made antistatic
Release film；
(4) the UV visbreaking adhesives in the step (1) are coated on to the anti-quiet of the antistatic basement membrane in the step (2)
Electric face, after drying, the antistatic face note for being coated with UV visbreaking adhesives invests the layer upper surface of anti-static release film, in 50 DEG C of temperature
The cured high just viscous stripping tapes again of the antistatic UV are made in the lower curing of degree 4 days.
Embodiment 2
A kind of cured height of antistatic UV is first to glue stripping tape again, including antistatic basement membrane, the antistatic UV set gradually
Visbreaking glue-line and anti-static release film, the antistatic UV visbreakings glue-line are made of the raw material of following parts by weight：
180 ° of peeling forces of the antistatic UV visbreakings glue-line are 28-30N/25mm, the institute after UV illumination before UV illumination
180 ° of peeling forces for stating antistatic UV visbreakings glue-line are 0.15-0.20N/25mm.
The acrylate pressure-sensitive adhesive is solvent type, and initial 180 ° of peeling forces are 18-20N/25mm, and solid content is
60%.
The UV prepolymers are to be reacted to prepare by the isocyanates of polyfunctionality, oligomer polyol and crylic acid hydroxy ester
It forms, the isocyanates of the polyfunctionality is hexamethylene diisocyanate trimer；The oligomer polyol is poly- carbon
Acid esters polyalcohol, the dihydroxypropyl fat are hydroxypropyl acrylate.
The specific synthetic method of the UV prepolymers includes the following steps：
(1) it is 3 according to the molar ratio of isocyanate group, alcoholic extract hydroxyl group and hydroxy ethyl:1:2 weigh hexa-methylene respectively
Diisocyanate trimer, polycarbonate polyol and hydroxypropyl acrylate；
(2) at a temperature of 70 DEG C, make hexamethylene diisocyanate trimer, polycarbonate polyol in a certain amount of gold
Reaction is complete to alcoholic extract hydroxyl group consumption in the presence of belonging to carboxylate catalyst；
(3) at a temperature of 70 DEG C, hydroxypropyl acrylate, a certain amount of is separately added into the reaction product obtained by step (2)
Polymerization inhibitor and a certain amount of organotin catalysts, reaction are complete to isocyanate group consumption；
(4) a certain amount of solvent held for some time at a temperature of 70 DEG C is added into the reaction product obtained by step (3),
The UV prepolymers are made.
The curing agent is epoxy hardener；The photoinitiator is 2- methyl-1s-(4- methyl mercaptos phenyl) -2- morpholines
Base -1- acetone, the antistatic agent are organic ammonium salt antistatic agent.
The preparation method of the cured high just viscous stripping tapes again of the antistatic UV, includes the following steps：
(1) acrylate pressure-sensitive adhesive, UV prepolymers, curing agent, photoinitiator and antistatic agent are sequentially added in solvent,
Certain time is stirred, UV visbreaking adhesives are obtained；
(2) antistatic agent is coated on to the one side of basement membrane, 1min is dried at a temperature of 120 DEG C, antistatic basement membrane is made；
(3) antistatic agent is coated on to the non-layer upper surface of release film, 1min is dried at a temperature of 120 DEG C, is made antistatic
Release film；
(4) the UV visbreaking adhesives in the step (1) are coated on to the anti-quiet of the antistatic basement membrane in the step (2)
Electric face, after drying, the antistatic face note for being coated with UV visbreaking adhesives invests the layer upper surface of anti-static release film, in 70 DEG C of temperature
The cured high just viscous stripping tapes again of the antistatic UV are made in the lower curing of degree 2 days.
Embodiment 3
A kind of cured height of antistatic UV is first to glue stripping tape again, including antistatic basement membrane, the antistatic UV set gradually
Visbreaking glue-line and anti-static release film, the antistatic UV visbreakings glue-line are made of the raw material of following parts by weight：
180 ° of peeling forces of the antistatic UV visbreakings glue-line are 15-18N/25mm, the institute after UV illumination before UV illumination
180 ° of peeling forces for stating antistatic UV visbreakings glue-line are 0.08-0.10N/25mm.
The acrylate pressure-sensitive adhesive is solvent type, and initial 180 ° of peeling forces are 10-12N/25mm, and solid content is
40%.
The UV prepolymers are to be reacted to prepare by the isocyanates of polyfunctionality, oligomer polyol and crylic acid hydroxy ester
It forms, the isocyanates of the polyfunctionality is toluene diisocyanate trimer；The oligomer polyol is polyether polyols
Alcohol, the dihydroxypropyl fat are hy-droxybutyl.
The specific synthetic method of the UV prepolymers includes the following steps：
(1) it is 1.5 according to the molar ratio of isocyanate group, alcoholic extract hydroxyl group and hydroxy ethyl:1:0.5 weighs toluene respectively
Diisocyanate trimer, polyether polyol and hy-droxybutyl；
(2) at a temperature of 50 DEG C, make toluene diisocyanate trimer, polyether polyol in a certain amount of metal carboxylate
Reaction is complete to alcoholic extract hydroxyl group consumption in the presence of catalyst；
(3) at a temperature of 50 DEG C, hy-droxybutyl, a certain amount of is separately added into the reaction product obtained by step (2)
Polymerization inhibitor and a certain amount of organotin catalysts, reaction are complete to isocyanate group consumption；
(4) a certain amount of solvent held for some time at a temperature of 50 DEG C is added into the reaction product obtained by step (3),
The UV prepolymers are made.
The curing agent is organic peroxide curing agent；The photoinitiator is free radical photo-initiation.The light draws
It is 1- hydroxycyclohexyl phenyl ketones, 2- methyl-1s-(4- methyl mercaptos phenyl) -2- morpholinyl -1- acetone and hexichol first to send out agent
Ketone is 1 according to mass ratio：0.5:1 compounds, and the antistatic agent is that organolithium salt antistatic agent and organic ammonium salt are anti-
Electrostatic agent is according to mass ratio 1:1 compounds.
The preparation method of the cured high just viscous stripping tapes again of the antistatic UV, includes the following steps：
(1) acrylate pressure-sensitive adhesive, UV prepolymers, curing agent, photoinitiator and antistatic agent are sequentially added in solvent,
Certain time is stirred, UV visbreaking adhesives are obtained；
(2) antistatic agent is coated on to the one side of basement membrane, 9min is dried at a temperature of 60 DEG C, antistatic basement membrane is made；
(3) by antistatic agent be coated on release film non-layer upper surface, dry 9min at a temperature of 60 DEG C, be made it is antistatic from
Type film；
(4) the UV visbreaking adhesives in the step (1) are coated on to the anti-quiet of the antistatic basement membrane in the step (2)
Electric face, after drying, the antistatic face note for being coated with UV visbreaking adhesives invests the layer upper surface of anti-static release film, in 80 DEG C of temperature
The cured high just viscous stripping tapes again of the antistatic UV are made in the lower curing of degree one day.
Embodiment 4
A kind of cured height of antistatic UV is first to glue stripping tape again, including antistatic basement membrane, the antistatic UV set gradually
Visbreaking glue-line and anti-static release film, the antistatic UV visbreakings glue-line are made of the raw material of following parts by weight：
180 ° of peeling forces of the antistatic UV visbreakings glue-line are 20-22N/25mm, the institute after UV illumination before UV illumination
180 ° of peeling forces for stating antistatic UV visbreakings glue-line are 0.10-0.12N/25mm.
The acrylate pressure-sensitive adhesive is solvent type, and initial 180 ° of peeling forces are 15-18N/25mm, and solid content is
50%.
The UV prepolymers are to be reacted to prepare by the isocyanates of polyfunctionality, oligomer polyol and crylic acid hydroxy ester
It forms, the isocyanates of the polyfunctionality is isophorone diisocyanate trimer and tri o cresyl thiophosphate (4- phenyl isocyanides
Acid esters) according to mass ratio be 1:1 compounds；The oligomer polyol is polytetrahydrofuran polyol, the acrylic acid hydroxyl
Base ester is hydroxyethyl methacrylate and metering system hydroxy butyl ester according to mass ratio 1：1 compounds.
The specific synthetic method of the UV prepolymers includes the following steps：
(1) it is 2 according to the molar ratio of isocyanate group, alcoholic extract hydroxyl group and hydroxy ethyl:1:1 weighs polyfunctionality respectively
Isocyanates, oligomer polyol and crylic acid hydroxy ester；
(2) at a temperature of 60 DEG C, make the isocyanates of polyfunctionality, oligomer polyol in a certain amount of metal carboxylate
Reaction is complete to alcoholic extract hydroxyl group consumption in the presence of catalyst；
(3) at a temperature of 60 DEG C, crylic acid hydroxy ester, a certain amount of is separately added into the reaction product obtained by step (2)
Polymerization inhibitor and a certain amount of organotin catalysts, reaction are complete to isocyanate group consumption；
(4) a certain amount of solvent held for some time at a temperature of 60 DEG C is added into the reaction product obtained by step (3),
The UV prepolymers are made.
It according to mass ratio is 1 that the curing agent, which is polyisocyanate curing agent and organic peroxide curing agent,:0.3 compounding
It forms；The photoinitiator is 1- hydroxycyclohexyl phenyl ketones, 2- methyl-1s-(4- methyl mercaptos phenyl) -2- morpholinyls -1- third
Ketone and benzophenone are 2 according to mass ratio：0.8:1 compounds, and the antistatic agent is organolithium salt antistatic agent and has
Machine ammonium salt class antistatic agent is according to mass ratio 1:0.8 compounds.
The preparation method of the cured high just viscous stripping tapes again of the antistatic UV, includes the following steps：
(1) acrylate pressure-sensitive adhesive, UV prepolymers, curing agent, photoinitiator and antistatic agent are sequentially added in solvent,
Certain time is stirred, UV visbreaking adhesives are obtained；
(2) antistatic agent is coated on to the one side of basement membrane, 7min is dried at a temperature of 80 DEG C, antistatic basement membrane is made；
(3) by antistatic agent be coated on release film non-layer upper surface, dry 7min at a temperature of 80 DEG C, be made it is antistatic from
Type film；
(4) the UV visbreaking adhesives in the step (1) are coated on to the anti-quiet of the antistatic basement membrane in the step (2)
Electric face, after drying, the antistatic face note for being coated with UV visbreaking adhesives invests the layer upper surface of anti-static release film, in 60 DEG C of temperature
The cured high just viscous stripping tapes again of the antistatic UV are made in the lower curing of degree 3 days.
Embodiment 5
A kind of cured height of antistatic UV is first to glue stripping tape again, including antistatic basement membrane, the antistatic UV set gradually
Visbreaking glue-line and anti-static release film, the antistatic UV visbreakings glue-line are made of the raw material of following parts by weight：
180 ° of peeling forces of the antistatic UV visbreakings glue-line are 22-24N/25mm, the institute after UV illumination before UV illumination
180 ° of peeling forces for stating antistatic UV visbreakings glue-line are 0.12-0.15N/25mm.
The acrylate pressure-sensitive adhesive is solvent type, and initial 180 ° of peeling forces are 15-18N/25mm, and solid content is
55%.
The UV prepolymers are to be reacted to prepare by the isocyanates of polyfunctionality, oligomer polyol and crylic acid hydroxy ester
It forms, the isocyanates of the polyfunctionality is hexamethylene diisocyanate trimer；The oligomer polyol is PPG-
1000, the crylic acid hydroxy ester is hydroxy-ethyl acrylate.
The specific synthetic method of the UV prepolymers includes the following steps：
(1) it is 2.5 according to the molar ratio of isocyanate group, alcoholic extract hydroxyl group and hydroxy ethyl:1:1.5 weigh six Asias respectively
Methyl diisocyanate tripolymer ester, PPG-1000 and hydroxy-ethyl acrylate；
(2) at a temperature of 65 DEG C, make hexamethylene diisocyanate trimer, PPG-1000 in a certain amount of carboxylate metal
Reaction is complete to alcoholic extract hydroxyl group consumption in the presence of salt catalyst；
(3) at a temperature of 65 DEG C, hydroxy-ethyl acrylate, a certain amount of is separately added into the reaction product obtained by step (2)
Polymerization inhibitor and a certain amount of organotin catalysts, reaction are complete to isocyanate group consumption；
(4) a certain amount of solvent held for some time at a temperature of 65 DEG C is added into the reaction product obtained by step (3),
The UV prepolymers are made.
The curing agent is polyisocyanate curing agent；The photoinitiator is free radical photo-initiation.It is described light-initiated
Agent is 1- hydroxycyclohexyl phenyl ketones, and the antistatic agent is organolithium salt antistatic agent.
The preparation method of the cured high just viscous stripping tapes again of the antistatic UV, includes the following steps：
(1) acrylate pressure-sensitive adhesive, UV prepolymers, curing agent, photoinitiator and antistatic agent are sequentially added in solvent,
Certain time is stirred, UV visbreaking adhesives are obtained；
(2) antistatic agent is coated on to the one side of basement membrane, 5min is dried at a temperature of 100 DEG C, antistatic basement membrane is made；
(3) antistatic agent is coated on to the non-layer upper surface of release film, 5min is dried at a temperature of 100 DEG C, is made antistatic
Release film；
(4) the UV visbreaking adhesives in the step (1) are coated on to the anti-quiet of the antistatic basement membrane in the step (2)
Electric face, after drying, the antistatic face note for being coated with UV visbreaking adhesives invests the layer upper surface of anti-static release film, in 60 DEG C of temperature
The cured high just viscous stripping tapes again of the antistatic UV are made in the lower curing of degree 3 days.
Following table is the peeling force inspection of the cured high just viscous stripping tapes again of antistatic UV made from the embodiment of the present invention 1-5
It surveys：
As seen from the above table, the cured high just viscous stripping tapes again of antistatic UV made from the embodiment of the present invention, it is initial to remove
Power is larger, and after UV illumination, peeling force die-offs, while having preferable anlistatig effect again, solves existing UV and subtracts
Adhesive tape can not the low just viscous problem of antistatic, existing antistatic UV visbreakings adhesive tape, in addition use the preparation method of the present invention, work
Skill is simple, and the properties of product of preparation are stablized, and light transmittance is preferable, and mist degree is relatively low, and yields is higher.
Above-described embodiment is the preferable implementation of the present invention, and in addition to this, the present invention can be realized with other manner,
Any obvious replacement is not departed under the premise of present inventive concept within protection scope of the present invention.
Claims (10)
1. a kind of cured high just viscous stripping tapes again of antistatic UV, it is characterised in that：Including set gradually antistatic basement membrane,
Antistatic UV visbreakings glue-line and anti-static release film, the antistatic UV visbreakings glue-line are made of the raw material of following parts by weight：
2. the cured high just viscous stripping tapes again of antistatic UV according to claim 1, it is characterised in that：Before UV illumination
180 ° of peeling forces of the antistatic UV visbreakings glue-line are 10-30N/25mm, the antistatic UV visbreakings glue-line after UV illumination
180 ° of peeling forces be 0.02-0.2N/25mm；The acrylate pressure-sensitive adhesive is solvent type, and initial 180 ° of peeling forces are 5-
20N/25mm, solid content 30-60%.
3. the cured high just viscous stripping tapes again of antistatic UV according to claim 1, it is characterised in that：It is described antistatic
Basement membrane includes base material film and the antistatic agent coating coated on the base material film, and the base material film is PE films, PP films, PET film, PO
One or more of film, PS films, PVC film, PU films it is compound, the thickness of the base material film is 5-200 μm, the antistatic agent
Coating is the cationic outer spreading type antistatic agent coating that thickness is 1-5 μm；The anti-static release film is to apply mould release on one side, one
Face applies the macromolecule membrane of antistatic agent, and the thickness of the anti-static release film is 20-100 μm.
4. the cured high just viscous stripping tapes again of antistatic UV according to claim 1, it is characterised in that：The UV pre-polymerizations
Object is prepared by the reaction of the isocyanates of polyfunctionality, oligomer polyol and crylic acid hydroxy ester.
5. the cured high just viscous stripping tapes again of antistatic UV according to claim 4, it is characterised in that：The UV pre-polymerizations
The specific synthetic method of object includes the following steps：
(1) it is 1.2-3 according to the molar ratio of isocyanate group, alcoholic extract hydroxyl group and dihydroxypropyl:1:0.2-2 weighs multifunctional respectively
Isocyanates, oligomer polyol and the crylic acid hydroxy ester of degree；
(2) at a temperature of 40-70 DEG C, make the isocyanates of polyfunctionality, oligomer polyol in a certain amount of metal carboxylate
Reaction is complete to alcoholic extract hydroxyl group consumption in the presence of catalyst；
(3) at a temperature of 40-70 DEG C, crylic acid hydroxy ester, a certain amount of resistance are separately added into the reaction product obtained by step (2)
Poly- agent and a certain amount of organotin catalysts, reaction are complete to isocyanate group consumption；
(4) a certain amount of solvent held for some time at a temperature of 40-70 DEG C is added into the reaction product obtained by step (3),
The UV prepolymers are made.
6. the cured high just viscous stripping tapes again of antistatic UV according to claim 5, it is characterised in that：It is described multifunctional
The isocyanates of degree is triphenylmethane triisocyanate, hexamethylene diisocyanate trimer, toluene di-isocyanate(TDI) three
The combination of one or more of aggressiveness, isophorone diisocyanate trimer, tri o cresyl thiophosphate (4- phenyl isocyanates).
7. the cured high just viscous stripping tapes again of antistatic UV according to claim 5, it is characterised in that：The oligomer
Polyalcohol is polycaprolactone polyol, polycarbonate polyol, polyether polyol, one kind in polytetrahydrofuran polyol or several
The combination of kind；The crylic acid hydroxy ester is hydroxy-ethyl acrylate, hydroxypropyl acrylate, hy-droxybutyl, methacrylic acid
The combination of one or more of hydroxyl ethyl ester, hydroxy propyl methacrylate.
8. the cured high just viscous stripping tapes again of antistatic UV according to claim 1, it is characterised in that：The curing agent
For the combination of one or more of polyisocyanate curing agent, epoxy hardener, organic peroxide curing agent；The light draws
Agent is the combination that free radical type light draws one or more of agent or cationic photoinitiator；The antistatic agent is organolithium
Salt antistatic agent and/or organic ammonium salt antistatic agent.
9. the cured high just viscous stripping tapes again of antistatic UV according to claim 1, it is characterised in that：The solvent is
The solvent is the combination of one or more of ethyl acetate, toluene, acetone.
10. a kind of preparation method for just gluing again stripping tape such as the cured height of the antistatic UV of claim 1-9 any one of them,
It is characterized by comprising the following steps：
(1) acrylate pressure-sensitive adhesive, UV prepolymers, curing agent, photoinitiator and antistatic agent are sequentially added in solvent, is stirred
Certain time obtains UV visbreaking adhesives；
(2) antistatic agent is coated on to the one side of basement membrane, antistatic basement membrane is made；
(3) antistatic agent is coated on to the non-layer upper surface of release film, anti-static release film is made；
(4) the UV visbreaking adhesives in the step (1) are coated on to the antistatic of the antistatic basement membrane in the step (2)
Face, after drying, the antistatic face note for being coated with UV visbreaking adhesives invests the layer upper surface of anti-static release film, at 40-80 DEG C
At a temperature of cure 1-4 days, the cured high just viscous stripping tapes again of the antistatic UV are made.
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