CN107245318A - One photocuring glue and its preparation method and application - Google Patents
One photocuring glue and its preparation method and application Download PDFInfo
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- CN107245318A CN107245318A CN201710568927.9A CN201710568927A CN107245318A CN 107245318 A CN107245318 A CN 107245318A CN 201710568927 A CN201710568927 A CN 201710568927A CN 107245318 A CN107245318 A CN 107245318A
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- photocuring glue
- screen
- glue
- photocuring
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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
- C09J5/00—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
One photocuring glue, includes following components by weight percentage：Acrylic ester monomer 60~80%, urethane acrylate 15~35%, light trigger 3~7%.The photocuring glue is mainly used in optical field to light transmittance; air-tightness; the performance such as viscosity and injury to glued product or equipment all has the bonding that there are certain requirements and can be fitted by automatic absorbing, can extend diffusion when it is used for screen sticking film rapidly between screen protecting film and screen to form one layer of uniform adhesive layer by way of fitting automatic absorbing between diaphragm and screen.
Description
Technical field
It is used for the present invention relates to a photocuring glue, more particularly to one kind in optical field to light transmittance, air-tightness, viscosity
And the performance such as the injury to glued product or equipment all has the light that there are certain requirements and can be bonded by automatic absorbing and consolidated
Tensol, such as bonding between electronic product screen and screen protecting film.
Background technology
Glue is as the intermediate adhesion body of two kinds of materials, and its species is various, according to different use environment and required viscous
Close effect and different requirements are proposed to the physics and chemical property of glue.The photocuring glue of the present invention is mainly used in optics neck
Domain, the glue for the bonding being such as used between the screen of electronic equipment and screen protecting film.
At present, the screen sticking film protection of electronic equipment especially sticking film for mobile phone protection is very universal, but is familiar with this
The people in field should be known that the material and its laminating type of sticking film for mobile phone pass through the multiple screening of market and manufacturer with washing in a pan
Eliminate, the progress of technology has been embodied before the combination of the material of current sticking film for mobile phone and laminating type is relative in general, so
And be limited by prior art it also has many helpless choices.The bonding mode between Mobile phone film and mobile phone screen has two at present
Kind, the combination of glue bonding and electrostatic bonding, and both bonding modes.And it is limited to the physics and chemically of current glue
Can, when being bonded using glue, mainly by being packed out after coating one layer of uniform function of glue coating in the production process of diaphragm
The diaphragm is sold, in this way, it necessarily increases cost during production and packed and transported to avoid being stained with dust, and is being used
Dust is easily stained with when the diaphragm is to sticking film for mobile phone, pastes askew and bubble easily occurs, and it is irreversible due to function of glue coating
Property, these can all cause the diaphragm to reuse and cancel, and its technical staff to pad pasting will with higher technology
Ask, therefore larger cost consumption can be all caused from production technology or using process consideration；When being bonded using electrostatic, one
As need the adhesive surface in diaphragm to coat one layer of uniform electrostatic coating such as silica gel, mode its adhesion process phase that electrostatic is bonded
To simple, the automatic absorbing in adhesion process between electrostatic coating and screen easily occurs during can automatically discharging pad pasting
Bubble, and due to the invertibity of electrostatic coating, can be used for multiple times using the diaphragm of simple electrostatic bonding mode,
Thus its technical requirements to pad pasting personnel is relatively low, but simple its bonding force of electrostatic bonding mode is relatively low, and it is needed toward contact
The adhesive surface in the diaphragm in the way of glue is bonded is coordinated additionally to coat one layer of function of glue coating, although so can be effective
Avoid the bubble easily occurred during pad pasting, but be due to function of glue coating irreversibility its be stained with dust or paste it is askew after it is same
Sample is difficult to reuse and whole diaphragm is cancelled, further, since this is using translucency of the field to diaphragm, uniformity
It is strict with, very high requirement is proposed to the coated technique of its electrostatic coating and function of glue coating, therefore use in practice
May during the bonding mode being combined reduces diaphragm pad pasting to a certain extent although electrostatic bonding is bonded with glue
The cost loss caused, but the cost loss in production process is also considerably increased, while its packed and transported is to avoid being stained with ash
Dirt needs also exist for certain cost consumption.
In addition, current Cell Phone Design is for pursuit aesthetic feeling and comfortably, more and more use of its screen has certain radian
Frame design, in this way, for prior art, producing the diaphragm fitted like a glove with such screen and still being carried to its manufacturing process
Go out higher requirement, and really limit arc diaphragm is to coat uniform electrostatic coating or glue on the arc diaphragm
The coating processes of coating, thus while the mobile phone of the design of the screen with arc-shaped frame is more and more, but the screen of in the market is protected
Cuticula is still based on planar film.
In summary, current used diaphragm, the particularly diaphragm for electronic product screen, it passes through electrostatic
The combination of coating and function of glue coating, although effectively prevent the bubble easily occurred during pad pasting, but improve to a greater degree
The manufacturing process requirement of diaphragm thus add manufacturing cost and packed and transported cost；Meanwhile, for current popularity rate compared with
For the diaphragm of high use tempered glass materials manufacture, the double-deck coating of electrostatic coating and function of glue coating is undoubtedly to tempering glass
The reduction of the thickness of glass film proposes stronger requirement, and these all will be frivolous for producing, uniformly, the good guarantor of translucency
Cuticula causes huge cost consumption；In addition, the electrostatic coating of arc diaphragm and the coating processes of function of glue coating are limited to, it is difficult
To obtain uniform arc electrostatic coating and arc function of glue coating so that arc diaphragm is difficult to enter market.
The content of the invention
The purpose of the present invention is to provide a photocuring glue, the wherein optic-solidified adhesive wet concentration with relative to glass,
Prepared by the Organic Ingredients that the diaphragm material of main part such as PET and PVC has excellent adhesive force, can adhere to glass,
The bonding glue between screen protecting film and screen is used as in PET and PVC material.
Another object of the present invention is to provide a photocuring glue, wherein the photocuring glue is uncured preceding with excellent
Good ductility, it can extend diffusion rapidly protecting by way of fitting automatic absorbing between diaphragm and screen
One layer of uniform adhesive layer is formed between film and screen.
Another object of the present invention is to provide a photocuring glue, wherein the photocuring glue can be in certain wavelength
Solidify under the irradiation of light, so it can provide the time of enough its uncured states as needed so that user is carried out or is adjusted
Whole bonding action.
Another object of the present invention is to provide a photocuring glue, wherein the photocuring glue in the uncured state can
It is enough to be removed by cleaning easily, with meet the multiple adjustment in the adhesion process between screen protecting film and screen or bond again from
And remain to realize the reuse again of screen protecting film in the case where adhesion process is slipped up, reduce the technical requirements of pad pasting
And cost consumption.
Another object of the present invention is to provide a photocuring glue, wherein the photocuring glue has excellent printing opacity
Degree, can be used in optical field requiring higher adhesive layer to light transmittance.
Another object of the present invention is to provide a photocuring glue, wherein the photocuring glue can be by protecting in arc
One layer of uniform glue layer is formed between cuticula and the screen designed with corresponding arc-shaped frame so as to realize arc diaphragm and
The laminating of the screen designed with corresponding arc-shaped frame, it is to avoid uniform coating electrostatic coating or glue are applied on the arc diaphragm
This coating processes for being difficult to for prior art of layer.
Another object of the present invention is to provide a photocuring glue, wherein the photocuring glue will not cause corruption to screen
Erosion, thus damage will not be caused after the clean stripping from screen protecting film or screen to screen.
Another object of the present invention is to provide a photocuring glue, wherein include polyurethane third in the photocuring glue
Olefin(e) acid ester, it can increase the pliability of the photocuring glue, reduce its stress and shrink and improve adhesive force so that the light
Solidified glue after hardening deformation it is smaller and it is not easy to crack be provided simultaneously with certain toughness, thus suitable between diaphragm and screen
To stability, toughness all possesses necessarily required bonding.
Another object of the present invention is to provide a photocuring glue, wherein the photocuring glue is with acrylic ester monomer
For main composition material, the adhesive layer formed during the bonding for making it be applied between screen and screen protecting film has excellent
The stable physics such as ageing resistance, air-tightness, and uvioresistant discolouration and chemical property performance, thus suitable for screen and screen
Laminating between curtain diaphragm.
Another object of the present invention is to provide a photocuring glue, wherein the photocuring glue includes light trigger, institute
The solidification of the photocuring glue can be triggered under the irradiation of the light of certain wavelength by stating light trigger.
To reach a above at least purpose, the invention provides a photocuring glue, it is included：By accounting for the optic-solidified adhesive
The following components of water percentage by weight meter：Acrylic ester monomer 60~80%, urethane acrylate 15~35% and light
Initiator 3~7%.
In one embodiment, the acrylic ester monomer, the urethane acrylate and the light trigger are accounted for
The percentage by weight sum of the photocuring glue is 90~100%.
In one embodiment, it is preferable that the acrylic ester monomer, the urethane acrylate and the light draw
The percentage by weight sum that hair agent accounts for the photocuring glue is 100%, wherein, the weight percent of the acrylic ester monomer
It is 25% than the percentage by weight for 70%, the urethane acrylate, the mass percent of the light trigger is 5%.
In one embodiment, the acrylic ester monomer, the urethane acrylate and the light trigger are accounted for
Ratio between the percentage by weight of the photocuring glue is 14:5:1.
In one embodiment, the acrylic ester monomer system is selected from methyl acrylate, ethyl acrylate, the positive fourth of acrylic acid
One or more in ester, 2- methyl methacrylates and ethyl 2-methacrylate.
In one embodiment, the light trigger for that can absorb generation after ultraviolet light or visible ray there is initiation monomer to gather
Close one or more in the free radical of crosslinking curing or the compound of cation.
In one embodiment, the light trigger is to use 1- hydroxycyclohexyl phenyl ketones.It possesses very high light and drawn
Send out active, excellent heat endurance and do not produce xanthochromia, thus be more suitable between screen and screen protecting film to stability
It is required that higher glue.
In one embodiment, the photocuring glue is 0~5% also comprising the photocuring glue percentage by weight is accounted for
Colouring agent, wherein the colouring agent be dissolved in or even suspension in the photocuring glue to be formed with described in certain color
Photocuring glue.So that there is certain uniform color after the optic-solidified adhesive water cure so as in the protection using water white transparency
The screen sticking film effect with color is formed under conditions of film.
According to another aspect of the present invention, a photocuring glue preparation method is additionally provided, is comprised the following steps：
(a) acrylic ester monomer is included, the raw material of urethane acrylate and light trigger is according to component ratio
Weighed respectively；
(b) acrylic ester monomer, the urethane acrylate and the light trigger are mixed；And
(c) mixed mixture in centrifuge in 30 minutes colloids formed above of centrifugal mixer at -5~34 DEG C.
In one embodiment, in the step (a), the component ratio is the acrylic ester monomer, the poly- ammonia
Ester acrylate and the light trigger account for the 60~80% of the percentage by weight of the raw material, 15~35% and 3 respectively
~7%.
In one embodiment, wherein in the step (a), the percentage by weight of the acrylic ester monomer is 70%,
The percentage by weight of the urethane acrylate is 25%, and the mass percent of the light trigger is 5%.
In one embodiment, wherein in the step (a), the acrylic ester monomer system is selected from methyl acrylate, third
One or more in olefin(e) acid ethyl ester, n-butyl acrylate, 2- methyl methacrylates and ethyl 2-methacrylate.
In one embodiment, wherein in the step (a), the light trigger is that can absorb after ultraviolet light or visible ray
Generation is with one or more in the free radical for triggering the solidification of monomer polymerization crosslinking or the compound of cation.
In one embodiment, wherein in the step (a), the light trigger is 1- hydroxycyclohexyl phenyl ketones.
In one embodiment, wherein in the step (a), the raw material is the propylene for synthesizing corresponding component ratio
The synthesis material of esters of gallic acid monomer, urethane acrylate and light trigger.
In one embodiment, in the step (b), the acrylic ester monomer, the urethane acrylate and
The hybrid mode of the light trigger is that the urethane acrylate and the light trigger are dissolved in the propylene respectively
Esters of gallic acid monomer is so as to realize the mixing, so with preliminary well mixed so as to avoid mixed process from causing the loss of component to enter
And ensure that the original scale of each component is constant.
In one embodiment, wherein in the step (b), wherein described be blended in dark conditions or without ultraviolet light bar
Carried out under part.
In one embodiment, the centrifugal mixer is carried out under the conditions of dark conditions or without ultraviolet light.
In one embodiment, wherein in the step (c), the mixed mixture is at normal temperatures in centrifugal blender
In be stirred more than 30 minutes.
In one embodiment, a step (d) is further comprised：The colloid after centrifugal mixer is filtered insoluble to remove
Property impurity.
According to another aspect of the present invention, a screen sticking film method is additionally provided, it is characterised in that comprise the following steps：
(A) the appropriate photocuring glue, which is placed in, treats on pad pasting screen；
(B) screen protecting film is placed on described treat on pad pasting screen；
(C) the photocuring glue the screen protecting film gravity and itself absorption affinity effect under in screen protection
Rapid extend diffuses to form one layer of uniform optic-solidified adhesive water layer between film and screen；And
(D) photocuring function of glue coating described in the light irradiation of a wavelength range makes the optic-solidified adhesive water layer solidify to form surely
Fixed adhesive layer.
In one embodiment, the screen is the Curved screen for being provided with curved surface frame, the screen protecting film correspondingly by
It is set to the curve screens diaphragm being adapted with the Curved screen.
In one embodiment, the screen protecting film is prepared by base material of safety glass.
In one embodiment, it is described to treat pad pasting screen to be in the folder less than 10 degree with horizontal direction in the step (A)
Angle is placed.
In one embodiment, in the step (D), irradiate the optic-solidified adhesive water layer light wave-length coverage for 250~
420nm。
Embodiment
Describe to be used to disclose the present invention below so that those skilled in the art can realize the present invention.It is excellent in describing below
Embodiment is selected to be only used as citing, it may occur to persons skilled in the art that other obvious modifications.Define in the following description
General principle of the invention can apply to other embodiments, deformation program, improvement project, equivalent and do not carry on the back
From the other technologies scheme of the spirit and scope of the present invention.
It is understood that term " one " be interpreted as " at least one " or " one or more ", i.e., in one embodiment,
The quantity of one element can be one, and in a further embodiment, the quantity of the element can be multiple, and term " one " is no
It is understood that as the limitation to quantity.
The photocuring glue of the present invention is used in optical field to light transmittance, air-tightness, viscosity and to glued product
Or the performance such as the injury of equipment all has a necessarily required bonding, such as bonding between electronic product screen and screen protecting film,
For the preferably description present invention, the main bonding by between screen and screen protecting film described below is illustrated or description bonding is dynamic
Make, the photocuring glue can be additionally used in other field, the invention is not limited in this regard.
Wherein described optic-solidified adhesive water by account for based on its percentage by weight including：
Acrylic ester monomer 60~80%；
Urethane acrylate 15~35%；
Light trigger 3~7%；
The percentage by weight sum of wherein above-mentioned each component is 100%, in one embodiment, the acrylic ester monomer
Percentage by weight be 70%, the percentage by weight of the urethane acrylate is 25%, the quality hundred of the light trigger
Divide than being 5%.
Further, it is to be appreciated that other functional additives can be also included in the photocuring glue, such as colouring agent,
The colouring agent is dissolved in or even suspension is in the photocuring glue, to have necessarily after the optic-solidified adhesive water cure
Uniform color under conditions of the diaphragm using water white transparency so that form the screen sticking film effect with color, wherein described
The percentage by weight that toner accounts for the photocuring glue should be no more than 5%.In addition, the photocuring glue may also contain necessarily
Impurity or volatile solvent etc. on the use of the photocuring glue without influenceing or influence minimum composition, and such impurity or
Solvent is likely difficult to avoid in the sorting of the photocuring glue or preparation process or to remove cost higher, therefore, and described third
Olefin(e) acid esters monomer, the urethane acrylate and the light trigger account for the photocuring glue percentage by weight it
With can also level off to 100%, it is described to meet fitting to the photocuring glue requirement between screen protecting film and screen
Acrylic ester monomer, the urethane acrylate and the light trigger account for the percentage by weight of the photocuring glue
Sum should be 90~100%, it is preferable that the acrylic ester monomer, the urethane acrylate and described light-initiated
The percentage by weight ratio of agent is 14:5:1.
It will be appreciated by those skilled in the art that the acrylic ester monomer system is selected from what acrylic ester monomer was constituted
One or more in group, such as methyl acrylate, ethyl acrylate, n-butyl acrylate, 2- methyl methacrylates and
The common acrylic ester monomer such as ethyl 2-methacrylate, the invention is not limited in this regard.
In addition, the light trigger is absorbs after ultraviolet light or visible ray, by exciting generation optical change, so as to generate
With one or more, such as 2- hydroxyls -2- first in the free radical for triggering the solidification of monomer polymerization crosslinking or the compound of cation
Base -1- phenylacetones, 1- hydroxycyclohexyl phenyl ketones, 2- methyl -2- (4- morpholinyls) -1- [4- (methyl mercapto) phenyl] -1-
Acetone, 2,4,6- trimethylbenzoy-dipheny phosphine oxides etc., the invention is not limited in this regard.Preferably, it is described light-initiated
Agent uses the 1- hydroxycyclohexyl phenyl ketones, and it possesses very high space charge force, excellent heat endurance and not produced
Xanthochromia, thus it is more suitable for glue adhesive layer higher to stability requirement between screen and screen protecting film.
It is noted that there is the acrylic ester monomer excellent ageing resistance, air-tightness, and uvioresistant to become
The performances such as color, so that the adhesive layer formed by the optic-solidified adhesive water cure has stable physics and chemical property table
It is existing, in addition, the urethane acrylate can increase the pliability of the photocuring glue, reduce its stress and shrink and improve
Adhesive force so that the photocuring glue after hardening, can form one layer of uniform and stable adhesive layer.Therefore the light of the present invention
Solidified glue has excellent adhesive force, can adhere to glass relative to glass, the diaphragm material of main part such as PET and PVC,
As the bonding glue between screen protecting film and screen in PET and PVC material, and preceding there is excellent extension uncured
Property, it is thus possible between diaphragm and screen it is rapid extend diffusion with by way of being fitted automatic absorbing in diaphragm and screen
One layer of uniform adhesive layer is formed between curtain.For this, the present invention provides a kind of method using the optic-solidified adhesive water adhered film,
It is comprised the steps of：
(a) coat or titration by way of take the appropriate photocuring glue in treating on pad pasting screen；
(b) screen protecting film is positioned over described treat above pad pasting screen；
(c) the photocuring glue the screen protecting film gravity and itself absorption affinity effect under in screen protection
Rapid extend diffuses to form one layer of uniform optic-solidified adhesive water layer between film and screen；And
(d) optic-solidified adhesive water layer described in the light irradiation of a wavelength range makes the optic-solidified adhesive water layer solidify to form stabilization
Adhesive layer.
Wherein, the photocuring glue is due to the air-tightness of acrylic ester monomer described in its material of main part and described poly-
Improvement of the urethane acrylate to its pliability and adhesive force causes the photocuring glue to have preferable ductility, thus energy
It is enough that rapid extend is expanded between screen protecting film and screen under the gravity of the screen protecting film and the absorption affinity effect of itself
Dissipate and discharge bubble to form one layer of uniform optic-solidified adhesive water layer, in addition, the thickness to ensure the optic-solidified adhesive water layer
Uniformity, it is described to treat that pad pasting screen be in the angle placement less than 10 degree with horizontal direction wherein according to step (a).
In addition, according to the selection of the light trigger of the photocuring glue, in step (d), irradiation light used
Wave-length coverage is 250~420nm or 400~800nm or includes the veiling glare of any wavelength in two wave-length coverages, and work as
When the light trigger is the 1- hydroxycyclohexyl phenyl ketones, wave-length coverage should be included by irradiating the light of the photocuring glue
For 250~420nm light.
It is noted that carrying out pad pasting, the screen protection using the method for the optic-solidified adhesive water adhered film by this
Film is without additionally coating electrostatic coating or function of glue coating, in addition, it will be appreciated by those skilled in the art that when the screen is setting
There is the Curved screen of curved surface frame, and the screen protecting film is provided accordingly to protect with the curve screens that the Curved screen is adapted
During cuticula, the curve screens diaphragm especially by base material of safety glass, existing technique is difficult in the Curved screen
Uniform coating electrostatic coating or function of glue coating on curtain diaphragm, therefore, the side of the utilization of the invention optic-solidified adhesive water adhered film
What the electrostatic coating coating that on the one hand method avoids in the production process of existing flat screen diaphragm was coated with function of glue coating
Technological process, production cost is reduced while shortening the production cycle；On the other hand the song that prior art is difficult to is avoided
The electrostatic coating of the face screen protecting film technique that uniformly coating is uniformly coated with function of glue coating, and the curved surface can be directly realized by
Screen protecting film is fitted with screen.
According to the component of the photocuring glue, the present invention also provides a kind of preparation method of photocuring glue, its include with
Lower step：
(A) weighed respectively by component ratio and include acrylic ester monomer, urethane acrylate and light trigger
Raw material；
(B) by the acrylic ester monomer, the urethane acrylate and light trigger mixing；And
(C) by mixed mixture in centrifuge in centrifugal mixer more than 30 minutes at -5~34 DEG C.
Wherein, according to step (A), the acrylic ester monomer, the urethane acrylate and described light-initiated
The percentage by weight that agent accounts for the raw material is respectively 60~80%, 15~35% and 3~7%, it is preferable that above-mentioned each component
Percentage by weight sum is 100%, wherein the percentage by weight of the acrylic ester monomer is 70%, the polyurethane propylene
The percentage by weight of acid esters is 25%, and the mass percent of the light trigger is 5%.In addition, the acrylic ester monomer
It is the one or more in the group constituted selected from acrylic ester monomer, such as methyl acrylate, ethyl acrylate, acrylic acid
The common acrylic ester monomers such as N-butyl, 2- methyl methacrylates and ethyl 2-methacrylate；It is described light-initiated
Agent is absorbs after ultraviolet light or visible ray, by exciting generation optical change, consolidates so as to generate with initiation monomer polymerization crosslinking
It is one or more in the free radical of change or the compound of cation, such as 2- hydroxy-2-methyls -1- phenylacetones, 1- hydroxy cyclohexylphenyls
Base phenyl ketone, 2- methyl -2- (4- morpholinyls) -1- [4- (methyl mercapto) phenyl] -1- acetone, 2,4,6- trimethylbenzoyls
Base-diphenyl phosphine oxide etc., the present invention is not restricted to this.Preferably, the light trigger uses the 1- hydroxy cyclohexylphenyls
Base phenyl ketone.
It is noted that in step (A), the raw material can also be the described of the corresponding mass concentration ratio of synthesis
The synthesis material of acrylic ester monomer, the urethane acrylate and the light trigger, as long as it ultimately forms phase
The acrylic ester monomer of mass concentration ratio is answered, the urethane acrylate and the light trigger constitute this
Invention.
It is preliminary well mixed, it is to avoid the one or more in each component are likely to result in mixed process in step (B)
Loss and cause the change of the original scale of each component, the acrylic ester monomer, the urethane acrylate and
The hybrid mode of the light trigger is that the urethane acrylate and the light trigger are dissolved in into the propylene respectively
Esters of gallic acid monomer is so as to realize the mixing.
Moreover it is preferred that step (B) and step (C) are carried out under the conditions of dark conditions or without ultraviolet light.For section
Cost-saving, wherein according to step (C), mixture centrifugal mixer more than 30 minutes in centrifuge under normal temperature (25 DEG C).
Wherein, the acrylic ester monomer according to step (A), the urethane acrylate and described light-initiated
The purity of the raw material of agent, the preparation method of the photocuring glue may also include step (D)：By centrifugal mixer in step (C)
Gel filtration afterwards removes insoluble impurity.
In summary, the present invention changes traditional pad pasting for coating function of glue coating and electrostatic coating in advance on diaphragm
Mode is there is provided the photocuring glue, and it is under the self gravitation of diaphragm and photocuring glue itself absorption affinity effect
Simultaneously automatic absorbing fits to form one layer of uniform adhesive layer for rapid diffusion of extending between diaphragm and screen, and certain
Solidify under the irradiation of the light of wavelength, so on the one hand possess during electrostatic coating can be prevented effectively from pad pasting and produce the excellent of bubble
Gesture, on the other hand avoids the larger electrostatic coating coating of cost consumption in protection film production process at present and is coated with function of glue coating
Technological process, the production cost of diaphragm is greatly reduced, while it also avoid on arc diaphragm uniform coating electrostatic
This coating processes for being difficult to for prior art of coating or function of glue coating so that arc diaphragm can really enter
Enter market.In addition, diaphragm can be reused by cleaning secondary pad pasting after glue during the laminating of diaphragm, because
And the technical requirements and cost consumption of pad pasting are reduced simultaneously.
It will be understood by those of skill in the art that the embodiments of the invention of foregoing description are only used as illustrating and being not intended to limit
The present invention.The purpose of the present invention completely and is effectively realized.The present invention function and principle in embodiment displaying and
Illustrate, under without departing from the principle, embodiments of the present invention can have any deformation or modification.
Claims (29)
1. a photocuring glue, it is characterised in that including by the following components accounted for based on the photocuring glue percentage by weight：Third
Olefin(e) acid esters monomer 60~80%, urethane acrylate 15~35% and light trigger 3~7%.
2. photocuring glue as described in claim 1, it is characterised in that the acrylic ester monomer, the polyurethane
The percentage by weight sum that acrylate and the light trigger account for the photocuring glue is 90~100%.
3. photocuring glue as described in claim 2, it is characterised in that the acrylic ester monomer, the polyurethane
The percentage by weight sum that acrylate and the light trigger account for the photocuring glue is 100%, wherein, the propylene
The percentage by weight of esters of gallic acid monomer is 70%, and the percentage by weight of the urethane acrylate is 25%, described light-initiated
The mass percent of agent is 5%.
4. photocuring glue as described in claim 2, it is characterised in that the acrylic ester monomer, the polyurethane
The ratio that acrylate and the light trigger are accounted between the percentage by weight of the photocuring glue is 14:5:1.
5. the photocuring glue as described in any in claim 1-4, it is characterised in that the acrylic ester monomer includes third
One kind in e pioic acid methyl ester, ethyl acrylate, n-butyl acrylate, 2- methyl methacrylates and ethyl 2-methacrylate
Or it is a variety of.
6. the photocuring glue as described in any in claim 1-4, it is characterised in that the light trigger is that can absorb purple
Generation is with a kind of or many in the free radical for triggering the solidification of monomer polymerization crosslinking or the compound of cation after outer light or visible ray
Kind.
7. photocuring glue as described in claim 5, it is characterised in that the light trigger for can absorb ultraviolet light or
Generation is with one or more in the free radical for triggering the solidification of monomer polymerization crosslinking or the compound of cation after visible ray.
8. photocuring glue as described in claim 6, it is characterised in that the light trigger is 1- hydroxycyclohexylphenyls
Ketone.
9. photocuring glue as described in claim 7, it is characterised in that the light trigger is 1- hydroxycyclohexylphenyls
Ketone.
10. photocuring glue as described in claim 1, it is characterised in that also comprising accounting for the photocuring glue weight hundred
Divide than the colouring agent for 0~5%, wherein the colouring agent is dissolved in or even suspension has one in the photocuring glue to be formed
The color photocuring glue of fixation.
11. the preparation method of a photocuring glue, it is characterised in that comprise the following steps：
(a) acrylic ester monomer is included, the raw material of urethane acrylate and light trigger is divided according to component ratio
Also known as take；
(b) acrylic ester monomer, the urethane acrylate and the light trigger are mixed；And
(c) mixed mixture in centrifuge at -5~34 DEG C by 30 minutes colloids formed above of centrifugal mixer.
12. the preparation method of photocuring glue as claimed in claim 11, wherein in the step (a), the component ratio
For the acrylic ester monomer, the urethane acrylate and the light trigger account for the weight hundred of the raw material respectively
Divide 60~80%, 15~35% and the 3~7% of ratio.
13. the preparation method of photocuring glue as claimed in claim 12, wherein the weight hundred of the acrylic ester monomer
Divide than being 70%, the percentage by weight of the urethane acrylate is 25%, and the mass percent of the light trigger is
5%.
14. the preparation method of the photocuring glue as described in any in claim 11-13, wherein in the step (a), it is described
Acrylic ester monomer system is selected from methyl acrylate, ethyl acrylate, n-butyl acrylate, 2- methyl methacrylates and 2-
One or more in EMA.
15. the preparation method of the photocuring glue as described in any in claim 11-13, wherein in the step (a), it is described
Light trigger be can absorb after ultraviolet light or visible ray generation with trigger the free radical or sun of the solidification of monomer polymerization crosslinking from
It is one or more in the compound of son.
16. the preparation method of photocuring glue as described in claim 14, wherein in the step (a), it is described light-initiated
Agent is that can absorb change of the generation with the free radical or cation for triggering the solidification of monomer polymerization crosslinking after ultraviolet light or visible ray
It is one or more in compound.
17. the preparation method of photocuring glue as described in claim 15, wherein in the step (a), it is described light-initiated
Agent is 1- hydroxycyclohexyl phenyl ketones.
18. the preparation method of photocuring glue as described in claim 16, wherein in the step (a), it is described light-initiated
Agent is 1- hydroxycyclohexyl phenyl ketones.
19. the preparation method of photocuring glue as described in claim 11, wherein in the step (a), the raw material is
Synthesize the acrylic ester monomer of corresponding component ratio, the conjunction of the urethane acrylate and the light trigger
Into raw material.
20. the preparation method of photocuring glue as described in claim 11, wherein in the step (b), the acrylic acid
The hybrid mode of esters monomer, the urethane acrylate and the light trigger be the urethane acrylate and
The light trigger is dissolved in the acrylic ester monomer so as to realizing the mixing respectively, so with it is preliminary it is well mixed from
And avoid mixed process from causing the loss of component and then ensure that the original scale of each component is constant.
21. the preparation method of photocuring glue as described in claim 11, wherein in the step (b), it is described to be blended in
Dark conditions or without under the conditions of ultraviolet light carry out.
22. the preparation method of photocuring glue as described in claim 11, wherein in the step (c), the centrifugation is stirred
Mix and carried out under the conditions of dark conditions or without ultraviolet light.
23. the preparation method of photocuring glue as described in claim 11, wherein in the step (c), the mixture
At normal temperatures by centrifugal mixer more than 30 minutes in centrifuge.
24. the preparation method of photocuring glue as described in claim 11, further comprises a step (d)：Centrifugal mixer
The colloid afterwards is filtered to remove insoluble impurities.
25. method of any described photocuring glue to screen sticking film in a kind of utilization claim 1-10, it is characterised in that
Comprise the following steps：
(A) the appropriate photocuring glue, which is placed in, treats on pad pasting screen；
(B) screen protecting film is placed on described treat above pad pasting screen；
(C) the photocuring glue the screen protecting film gravity and itself absorption affinity effect under screen protecting film with
Rapid extend diffuses to form one layer of uniform optic-solidified adhesive water layer between screen；And
(D) optic-solidified adhesive water layer described in the light irradiation of a wavelength range makes the optic-solidified adhesive water layer solidify to form stable glue
Close layer.
26. any described photocuring glue is to screen sticking film in utilization claim 1-10 as recited in claim 25
Method, wherein the screen is the Curved screen for being provided with curved surface frame, the screen protecting film be correspondingly arranged to it is described
The adaptable curve screens diaphragm of Curved screen.
27. the photocuring glue as described in any in the utilization claim 1-10 described in claim 25 or 26 is pasted to screen
The method of film, wherein the screen protecting film is prepared by base material of safety glass.
28. the photocuring glue as described in any in the utilization claim 1-10 described in claim 25 or 26 is pasted to screen
The method of film, wherein in the step (A), it is described to treat pad pasting screen to be placed in the angle less than 10 degree with horizontal direction.
29. any described photocuring glue is to screen sticking film in utilization claim 1-10 as recited in claim 25
Method, wherein in the step (D), the wave-length coverage for irradiating the light of the optic-solidified adhesive water layer is 250~420nm.
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| CN201710568927.9A CN107245318A (en) | 2017-07-13 | 2017-07-13 | One photocuring glue and its preparation method and application |
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| CN201710568927.9A CN107245318A (en) | 2017-07-13 | 2017-07-13 | One photocuring glue and its preparation method and application |
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| CN110423569A (en) * | 2019-08-14 | 2019-11-08 | 惠州合益创光学材料有限公司 | Rupture pressure disc and its preparation method and application in a kind of screen |
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