CN107573893A - A kind of polaroid solid and polaroid - Google Patents
A kind of polaroid solid and polaroid Download PDFInfo
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- CN107573893A CN107573893A CN201710907572.1A CN201710907572A CN107573893A CN 107573893 A CN107573893 A CN 107573893A CN 201710907572 A CN201710907572 A CN 201710907572A CN 107573893 A CN107573893 A CN 107573893A
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- polaroid
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Abstract
The invention discloses a kind of polaroid solid and polaroid, wherein the polaroid solid includes the acrylic ester prepolymer of 5~50 parts by weight, the acrylic monomers of 10~60 parts by weight, the light trigger of 0.3~6 parts by weight, the auxiliary agent of 0.2~5 parts by weight；Solid gluing easily, coating convenience, good leveling property, have that very strong adhesive force, rate of drying are fast, transparency is high, have water-fast and heat resistance well；The polaroid light transmittance bonded by the solid is high, water resistance, heat-resist, is 90% and under conditions of temperature is 85 DEG C, humidity is 85% in normal epidemic disaster, 500h can be kept not come unglued, then effect stability, be adapted to widely use.
Description
Technical field
The present invention relates to adhesive and display technology field, more particularly to a kind of polaroid solid and polaroid.
Background technology
Acrylate pressure-sensitive adhesive has preferable low temperature resistant, resistance to elevated temperatures, and volatilizable thing and mass loss rate are low, and
Escaped without pernicious gas, coating performance is strong, and rate of drying is fast, and the advantages of levelability and the good transparency, polaroid is viscous at present
All using pressure sensitive adhesive as adhesive as unification, still, pressure sensitive adhesive can't in adhesive property, water resistance, heat resistance etc.
Meets the needs of market.
It can be seen that prior art could be improved and improve.
The content of the invention
In view of in place of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of polaroid solid and polarisation
Piece, it is intended to which market can not be met by solving to be used in the prior art to bond the pressure sensitive adhesive adhesive property of polaroid, water resistance, heat resistance
Demand the problem of.
In order to achieve the above object, this invention takes following technical scheme：
A kind of polaroid solid, include the component of following parts by weight：
5~50 parts of acrylic ester prepolymer,
10~60 parts of acrylic monomers,
0.3~6 part of light trigger,
0.2~5 part of auxiliary agent.
Described polaroid solid, include the component of following parts by weight：
30~50 parts of acrylic ester prepolymer,
40~60 parts of acrylic monomers,
1~6 part of light trigger,
0.5~3 part of auxiliary agent.
Described polaroid solid, wherein, described acrylic ester prepolymer includes epoxy acrylate, polyurethane third
One or more in olefin(e) acid ester and polyester acrylate.
Described polaroid solid, wherein, described acrylic monomers is monomer IBOA.
Described polaroid solid, wherein, described light trigger include light trigger 184 or one kind in TPO or
Two kinds；The auxiliary agent is the one or more in levelling agent, thickener, tackifier, preservative, defoamer.
A kind of polaroid, wherein, the polaroid include bonded successively with the polaroid solid the first protective layer, partially
Shake layer and the second protective layer.
Described polaroid, wherein, the material of the first described protective layer is three Atriacetyl celluloses, poly-methyl methacrylate
One kind in ester and polyethylene terephthalate.
Described polaroid, wherein, the solidification process of described polaroid solid is：First in 40~80 DEG C of temperature
5~30min of lower preheating, then 2~5min of light irradiation with wavelength for 340~450nm.
Described polaroid, wherein, the solidification process of described polaroid solid is：First in 40~80 DEG C of temperature
5~20min of lower preheating, then 2~10min of light irradiation with wavelength for 550~780nm.
Beneficial effect：
The invention provides a kind of polaroid solid and polaroid, the solid gluing is easy, coating is convenient, levelability
It is good, have that very strong adhesive force, rate of drying are fast, transparency is high, have good water-fast and heat resistance；Bonded by the solid
Polaroid light transmittance it is high, it is water resistance, heat-resist, in the bar that normal epidemic disaster is 90% and temperature is 85 DEG C, humidity is 85%
Under part, 500h can be kept not come unglued, then effect stability, be adapted to widely use.
Embodiment
The present invention provides a kind of polaroid solid and polaroid, to make the purpose of the present invention, technical scheme and effect more
Add clear, clear and definite, the present invention is described in more detail by the following examples.It should be appreciated that specific implementation described herein
Example is not intended to limit the present invention only to explain the present invention.
The present invention provides in order to achieve the above object, and this invention takes following technical scheme：
A kind of polaroid solid, include the component of following parts by weight：
5~50 parts of acrylic ester prepolymer,
10~60 parts of acrylic monomers,
0.3~6 part of light trigger,
0.2~5 part of auxiliary agent.
In such scheme, light trigger produces living radical, makes third in formula under the irradiation of the light of specific wavelength
Polymerization, crosslinking occur for olefin(e) acid ester prepolymer and acrylic monomers, are changed into solid-state from liquid, that is, solidify；Containing big in the solid
The alkenes material of amount, produces substantial amounts of free radical under the irradiation of the light of specific wavelength, and curing rate is fast, and adhesive force is strong.
Described polaroid solid, include the component of following parts by weight：
30~50 parts of acrylic ester prepolymer,
40~60 parts of acrylic monomers,
1~6 part of light trigger,
0.5~3 part of auxiliary agent.
Specifically, described acrylic ester prepolymer includes epoxy acrylate, urethane acrylate and polyester
One or more in acid esters；Orphan on the nitrogen-atoms in epoxy radicals, urethane acrylate in epoxy acrylate is to electricity
Son can improve the adhesive force of the solid；Preferably, acrylic resin is also contained in the solid.
Specifically, described acrylic monomers is monomer IBOA（Isobornyl acid resin）；The acrylic monomers has
There are saturated rings, the cubical contraction of solid can be reduced, so as to significantly improve the adhesive force of the solid, shrinkage factor, resistance to
The indexs such as water-based and heat resistance, improve the combination property of tack coat.
Specifically, described light trigger includes light trigger 184（1- hydroxycyclohexyl phenyl ketones）Or TPO（2,4,
6- trimethylbenzoy-dipheny phosphine oxides）One or both of；The auxiliary agent be levelling agent, thickener, tackifier,
One or more in preservative, defoamer.Preferably, the light trigger is light trigger 184, and it is applied in the polarisation
The transparency of the solid obtained in piece solid is high, and curing reaction is rapid.
A kind of polaroid, including the first protective layer, polarization layer and the second protective layer bonded successively with the polaroid solid.
Specifically, the material of the first described protective layer is three Atriacetyl celluloses（TAC）, polymethyl methacrylate
And one kind in polyethylene terephthalate (PET) (PMMA)；Preferably, the material of first protective layer is poly- methyl
Methacrylate, the material of polarization layer is polyvinyl alcohol (PVA), and the material of the second protective layer is tri acetyl cellulose.Poly- first
The high mechanical strength for the first protective layer that base methacrylate is made, and there is no impurity, light transmittance is fabulous, has stable change
Performance and weatherability are learned, polarization layer can be protected well；The second protective layer that tri acetyl cellulose is made has high saturating
Light rate, water-tolerant, there is certain mechanical strength again, with the first protective layer collective effect, protect polarization layer.
Specifically, the solidification process of described polaroid solid is：First at a temperature of 40~80 DEG C preheating 5~
30min, then 2~5min of light irradiation with wavelength for 340~450nm.
Specifically, the solidification process of described polaroid solid is：First at a temperature of 40~80 DEG C preheating 5~
20min, then 2~10min of light irradiation with wavelength for 550~780nm.Preferably, the polaroid solid first 50~
Preheat 10min at a temperature of 55 DEG C, then with the ultraviolet light 2min that wavelength is 380nm, make its solidification；It is solid under these conditions
Change that obtained polaroid is heat-resisting, moisture resistance properties are good, then effect stability, light transmission are good.Temperature is too high to destroy solid
Crystallization, temperature is too low can not to produce thermal activation, can not be then.Solidify the polarisation that the solid obtains under above-mentioned optimum condition
The heat-resisting of piece, moisture resistance properties are as shown in table 1.
Heat-resisting, the moisture resistance properties of polaroid described in table 1
| The material of first protective layer | Test temperature/DEG C | Testing humidity/% | Testing time/h | Test followed by situation |
| TAC | 20 | 90 | 500 | Interlayer is then stablized, and does not ftracture |
| TAC | Normal temperature | 90 | 500 | Interlayer is then stablized, and does not ftracture |
| TAC | 85 | 85 | 500 | Interlayer is then stablized, and does not ftracture |
| PMMA/PET | 80 | 90 | 1000 | Interlayer is then stablized, and does not ftracture |
| PMMA/PET | 85 | 85 | 1000 | Interlayer is then stablized, and does not ftracture |
As can be seen from Table 1, the polaroid bonded using the polaroid solid is then stablized, heat-resisting, moisture resistance properties are good, special
It is not that the first protective layer is higher using the then stability between the layer of polarizer of PMMA or PET materials, weather resistance is more preferable, energy
The time for continuing normal use is longer.
Embodiment 1
Described polaroid solid, include the composition of following parts by weight：
3 parts of epoxy acrylate,
35 parts of urethane acrylate,
48 parts of monomer IBOA,
184 4 parts of light trigger,
1 part of levelling agent；
The polaroid bonded using above-mentioned polaroid solid, the material of the first protective layer is polymethyl methacrylate, polarization
The material of layer is polyvinyl alcohol, and the material of the second protective layer is tri acetyl cellulose, by the polaroid after bonding 60
After preheating 7min at~65 DEG C, with 700nm Infrared irradiation 3min, the polaroid solid completion of cure, what is obtained is inclined
Sheet structure is stable, heat-resisting, moisture resistance properties are good, and light transmission rate is high.
Embodiment 2
10 parts of epoxy acrylate,
16 parts of urethane acrylate,
20 parts of monomer IBOA,
184 2.5 parts of light trigger,
1 part of levelling agent,
0.5 part of defoamer；
The polaroid bonded using above-mentioned polaroid solid, the material of the first protective layer is polymethyl methacrylate, polarization
The material of layer is polyvinyl alcohol, and the material of the second protective layer is tri acetyl cellulose, by the polaroid after bonding 50
After preheating 8min at~55 DEG C, with 550nm Infrared irradiation 3min, the polaroid solid completion of cure, what is obtained is inclined
Sheet structure is stable, heat-resisting, moisture resistance properties are good, and light transmission rate is high.
Embodiment 3
2 parts of epoxy acrylate,
8 parts of urethane acrylate,
20 parts of acrylic resin,
58 parts of monomer IBOA,
184 6 parts of light trigger,
2 parts of levelling agent,
1 part of coupling agent,
2 parts of tackifier；
The polaroid bonded using above-mentioned polaroid solid, the material of the first protective layer is polymethyl methacrylate, polarization
The material of layer is polyvinyl alcohol, and the material of the second protective layer is tri acetyl cellulose, by the polaroid after bonding 45
After preheating 12min at~50 DEG C, with 400nm ultraviolet light 2min, the polaroid solid completion of cure, what is obtained is inclined
Sheet structure is stable, heat-resisting, moisture resistance properties are good, and light transmission rate is high.
Embodiment 4
48 parts of epoxy acrylate,
57 parts of monomer IBOA,
184 1.2 parts of light trigger,
4 parts of levelling agent；
The polaroid bonded using above-mentioned polaroid solid, the material of the first protective layer is polymethyl methacrylate, polarization
The material of layer is polyvinyl alcohol, and the material of the second protective layer is tri acetyl cellulose, by the polaroid after bonding 60
After preheating 8min at~65 DEG C, with 360nm ultraviolet light 4min, the polaroid solid completion of cure, what is obtained is inclined
Sheet structure is stable, heat-resisting, moisture resistance properties are good, and light transmission rate is high.
Embodiment 5
5 parts of epoxy acrylate,
25 parts of urethane acrylate,
20 parts of acrylic resin,
15 parts of polyester acrylate,
33 parts of monomer IBOA,
184 1.5 parts of light trigger,
0.5 part of levelling agent；
The polaroid bonded using above-mentioned polaroid solid, the material of the first protective layer is polymethyl methacrylate, polarization
The material of layer is polyvinyl alcohol, and the material of the second protective layer is tri acetyl cellulose, by the polaroid after bonding 50
After preheating 10min at~55 DEG C, with 380nm ultraviolet light 2min, the polaroid solid completion of cure, what is obtained is inclined
Sheet structure is stable, heat-resisting, moisture resistance properties are good, and light transmission rate is high.
The common polaroid bonded by the polaroid obtained by above-described embodiment 1-5 and using the solid of prior art is entered
Row heatproof, moisture resistance properties test, light transmittance, color and the change for integrating form and aspect being respectively compared before and after the polarisation built-in testing,
Acquired results are as shown in table 2.
Polaroid described in the embodiment 1-5 of table 2 and light transmittance before and after common polaroid heatproof, moisture resistance properties test, color and comprehensive
Close the change of form and aspect
As can be seen from Table 2, the weatherability of the polaroid bonded using polaroid solid of the present invention, which is substantially better than, to be made
The polaroid bonded with the solid of prior art；It is of the present invention after being tested by the heatproof of equal conditions, moisture resistance properties
The light transmittance of polaroid, the changing of color, the equal unobvious of change of comprehensive form and aspect, and use the solid of prior art to bond
Polaroid then there is obvious change.
In summary, the invention provides a kind of polaroid solid and polaroid, the solid gluing is easy, coating
Convenience, good leveling property, have that very strong adhesive force, rate of drying are fast, transparency is high, have good water-fast and heat resistance；By institute
It is high to state the polaroid light transmittance of solid bonding, it is water resistance, heat-resist, normal epidemic disaster be 90% and temperature be 85 DEG C,
Under conditions of humidity is 85%, 500h can be kept not come unglued, then effect stability, be adapted to widely use.
It is understood that for those of ordinary skills, can be with technique according to the invention scheme and its hair
Bright design is subject to equivalent substitution or change, and all these changes or replacement should all belong to the guarantor of appended claims of the invention
Protect scope.
Claims (9)
1. a kind of polaroid solid, it is characterised in that include the component of following parts by weight：
5~50 parts of acrylic ester prepolymer,
10~60 parts of acrylic monomers,
0.3~6 part of light trigger,
0.2~5 part of auxiliary agent.
2. polaroid solid according to claim 1, it is characterised in that include the component of following parts by weight：
30~50 parts of acrylic ester prepolymer,
40~60 parts of acrylic monomers,
1~6 part of light trigger,
0.5~3 part of auxiliary agent.
3. polaroid solid according to claim 1, it is characterised in that described acrylic ester prepolymer includes epoxy
One or more in acrylate, urethane acrylate and polyester acrylate.
4. polaroid solid according to claim 1, it is characterised in that described acrylic monomers is monomer IBOA.
5. polaroid solid according to claim 1, it is characterised in that described light trigger includes light trigger
One or both of 184 or TPO；The auxiliary agent be levelling agent, thickener, tackifier, preservative, one kind in defoamer or
It is a variety of.
6. a kind of polaroid, it is characterised in that the polaroid is included with the polaroid solid described in claim any one of 1-5
The first protective layer, polarization layer and the second protective layer bonded successively.
7. polaroid according to claim 6, it is characterised in that the material of the first described protective layer is three triacetyl celluloses
One kind in element, polymethyl methacrylate and polyethylene terephthalate.
8. polaroid according to claim 6, it is characterised in that the solidification process of described polaroid solid is：It is first
5~30min, then 2~5min of light irradiation with wavelength for 340~450nm are first preheated at a temperature of 40~80 DEG C.
9. polaroid according to claim 6, it is characterised in that the solidification process of described polaroid solid is：It is first
5~20min, then 2~10min of light irradiation with wavelength for 550~780nm are first preheated at a temperature of 40~80 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710907572.1A CN107573893A (en) | 2017-09-29 | 2017-09-29 | A kind of polaroid solid and polaroid |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710907572.1A CN107573893A (en) | 2017-09-29 | 2017-09-29 | A kind of polaroid solid and polaroid |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102212317A (en) * | 2010-04-02 | 2011-10-12 | 素塔电子科技(上海)有限公司 | Adhesive agent of polaroid and preparation method for polaroid by using adhesive agent |
| CN102471642A (en) * | 2009-07-28 | 2012-05-23 | 东亚合成株式会社 | Actinic-energy-ray-curable adhesive composition for plastic film or sheet |
| CN104672732A (en) * | 2013-12-02 | 2015-06-03 | 奇美实业股份有限公司 | Polymethacrylate composition and protective film for protecting optical element |
-
2017
- 2017-09-29 CN CN201710907572.1A patent/CN107573893A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102471642A (en) * | 2009-07-28 | 2012-05-23 | 东亚合成株式会社 | Actinic-energy-ray-curable adhesive composition for plastic film or sheet |
| CN102212317A (en) * | 2010-04-02 | 2011-10-12 | 素塔电子科技(上海)有限公司 | Adhesive agent of polaroid and preparation method for polaroid by using adhesive agent |
| CN104672732A (en) * | 2013-12-02 | 2015-06-03 | 奇美实业股份有限公司 | Polymethacrylate composition and protective film for protecting optical element |
Non-Patent Citations (1)
| Title |
|---|
| 大森英三: "《功能性丙烯酸树脂》", 31 December 1993, 化学工业出版社 * |
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Application publication date: 20180112 |