CN106280603B - A kind of antistatic light transmission coating and its application - Google Patents
A kind of antistatic light transmission coating and its application Download PDFInfo
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- CN106280603B CN106280603B CN201610633448.6A CN201610633448A CN106280603B CN 106280603 B CN106280603 B CN 106280603B CN 201610633448 A CN201610633448 A CN 201610633448A CN 106280603 B CN106280603 B CN 106280603B
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- antistatic
- light transmission
- antistatic light
- polymerizable
- acrylic ester
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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
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
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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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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
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Abstract
The present invention provides a kind of antistatic light-transmissive film coating composition: polymerizable acrylic ester oligomer, acrylate monomer, polymerizable type salt, photoinitiator, the acrylate oligomer contain polyethoxy segment.It is to be coordinated inside light-transmissive film to form ionic conduction network using the polymer of block macromolecular polyethoxy group and polymerizable type salt that antistatic light-transmissive film, which is made, in the composition; to reach electric conductivity; this method has excellent permanence antistatic effect, and low electrostatic pressure is still able to maintain after removing light-transmissive film surface protection film.
Description
Technical field: the present invention relates to antistatic light transmission coatings, and in particular to the component and application of light transmission coating.
Background technique:
In recent years, with the progress of industrialization, in various electronics and electrical equipment, the information communications field until general life
In the wide range of areas of articles, damage is led to the problem of by electrostatic and is being increased.Therefore, quiet in resisting for these equipment and industrial site
Electricity has become important topic.So-called antistatic property is that savings is instigated to discharge in the charge of insulator surface by proper method
Property.In order to improve antistatic property, antistatic layer can be formed so that savings discharges in the charge of product surface.Especially aobvious
In the process for showing device processing, because of the effect of Electrostatic Absorption, it is easy to adhere to impurity and dust on light-transmissive film, to stay over the display
The optical defects such as lower white point and stain, moreover, because can discharge in these processes, if in these processes using organic molten
Agent then will increase kindling and the danger of fire sometimes.In addition, in display, there are many delicate electricals and electronic part material, groups
It when electrostatic is excessive when dress, can cause to generate damage to component, be very important so assigning light-transmissive film with antistatic property.
Although light transmission film surface passes through antistatic treatment, in the actual production process of assembling, foreign matter absorption is still suffered from
In on product, yield is caused to decline, to promote yield, usual antistatic light-transmissive film before use, all using protective film to its into
Row protection, tears off when in use.
Traditional antistatic light-transmissive film is to guarantee light transmittance, is handled mostly using migration macromolecular organic antistatic agents,
Its antistatic antistatic agent from light-transmissive film surface alignment, since protective film glue-line is to light-transmissive film layer antistatic surface agent
Effect, after dyestripping, antistatic surface agent is easy to lose effect, causes the electrostatic of dyestripping very big, and voltage is very high, does not have protection
Effect.
It is reported that have the light-transmissive film that light-transmissive film is added into using the substance of ontology conduction, it can be to the component for forming light-transmissive film
Middle addition such as nano silver, ITO, ATO, carbon nanotube, carbon fiber, denatured conductive polyphosphazene polymer pyrroles, polyaniline, polythiophene
Deng.But the method for this substance that ontology conduction is added into light-transmissive film is also difficult to obtain other than economic aspect is unfavorable
The limitation of sufficient processing performance and high brightness.
It is reported that providing the antistatic problem after dyestripping using Antistatic protective film, but usually these Antistatic protective films
Used in antistatic agent with appeal herein introduction antistatic agent and indistinction, there are the migrations of antistatic agent after pad pasting to ask
Topic, leads to antistatic failure, separately if it is using ontology conductive materials as antistatic agent, after dyestripping, due to light-transmissive film
Antistatic difference, can not effectively solve the problems, such as.
Summary of the invention:
On the one hand the purpose of the present invention provides a kind of antistatic light transmission coating, the light-transmissive film for solving to be used to form is torn one
Except being able to maintain low electrostatic pressure after protective film.
It is a further object to provide a kind of tear, and the light-transmissive film of low electrostatic pressure is kept after protective film.
To achieve the above object, the technical solution of the present invention is as follows:
A kind of antistatic light transmission coating, which is characterized in that include following composition:
Polymerizable acrylic ester oligomer, the acrylate oligomer contain polyethoxy segment；
Acrylate monomer；
Polymerizable type salt；And
It is light-initiated.
Further, polyethoxy segment accounts for polymerizable acrylic ester oligomer in the polymerizable acrylic ester oligomer
Number-average molecular weight percentage composition be not less than 20.
Further, the content of the polymerizable acrylic ester oligomer accounts for the range of entire composition weight percentage composition
For 30wt% -50wt%.
Further, the number-average molecular weight of the polymerizable acrylic ester oligomer is selected from 200-4000.
Further, the polymerizable type salt structure is as follows:
RnJH4‐x+‐A[SO2Rf]m
Wherein X is in 0 to 4 range；M is in 1 to 3 range
J is nitrogen or phosphorus；
A is nitrogen or carbon；
RnAnd RfIt independently is selected from alkyl or alkylsiloxane containing oxygen atom, and contains at least one reactive allyl
Base alkyl group, the number range of carbon atom is 1-12 in the alkyl or alkylsiloxane.
Further, the polymerizable type salt is selected from polymerizable vinyl alkyl nitrogen microcosmic salt type organic matter or phosphorus
Salt form organic matter.
Further, the polymerizable type salt is selected from the alkyl nitrogen microcosmic salt type organic matter or phosphorus of polymerizable acrylic
Salt form organic matter.
Further, the polymerizable type salt is selected from fluorine richness vinyl or acrylic polymerisable compound.
Further, the polymerizable type salt is selected from organic-silicon-modified vinyl or acrylic polymerisable compound.
Further, the acrylate monomer is selected from: 1,6- hexanediyl ester, tripropylene glycol diacrylate
Ester, ethoxylated bisphenol A diacrylate, ethoxyquin trimethylolpropane trimethacrylate, acryloyl morpholine, hydroxypropyl acrylate
One of or it is a variety of.
Further, it is 30wt%-that the content of the acrylate monomer, which accounts for the range of entire composition levels,
60wt%.
Further, the photoinitiator is selected from one of acetone, ketone, phosphine oxide and phosphate or a variety of.
Further, the photoinitiator is selected from Irgacure 127, Irgacure TPO, the Irgacure of Ciba
2959 and Irgacure's 184 is one or more.
Further, it is 1wt% -10wt% that the content of the initiator, which accounts for the range of entire composition levels,.
A kind of antistatic light-transmissive film, above-mentioned light transmission coating.
The invention discloses antistatic light-transmissive films.Light-transmissive film as described herein is to utilize block macromolecular polyethoxy base
The polymer and polymerizable type salt of group, which are coordinated inside light-transmissive film, forms ionic conduction network, thus conductive energy, it should
Method has excellent permanence antistatic effect, antistatic not with surface realization is moved to conventionally by antistatic agent small molecule
Together, and after removing protective film one it still is able to keep low electrostatic pressure, in addition the light-transmissive film mainly utilizes transparent organic matter
Composition, possesses excellent light transmittance.
Specific embodiment:
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to invention into
Row is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to limit
The fixed present invention.
By parts by weight shown in table 1 sequentially add acrylate monomer, photoinitiator, polymerizable acrylic ester oligomer,
Surface modifier, antistatic agent are uniformly dispersed in 30~50 DEG C of mixing to transparency liquid.
Obtain from double bond Chemical Co., Ltd. 5220,5222,5400 are used as third containing block polyethyoxy group
Olefin(e) acid ester oligomer A；
By the CN-9006NS, CN989NS obtained from Sartomer, Changxing DR-U025, be used as conventional acrylic it is oligomeric
Object B；
EM210, EM2265, EM2380, EM227, EM172 for obtaining from Changxing Chemical Co., Ltd. etc. are used as acrylic acid
Ester monomer C；
By the allyl being obtained from the market [3- (triethyl group silicon substrate) propyl] diethylamide bis- (hexafluoroethane sulphonyl) Asia
Amine is used as polymerizable type salt；
The FC4400 that 3M company is obtained is used as antistatic agent E；
The Irgacure 184 obtained from Ciba and Irgacure TPO is used as initiator F；
Comparative example 1
Add common salt antistatic agent, remaining is configured by embodiment method.
Comparative example 2
Acrylate oligomer uses common oligomer, remaining is configured by embodiment method.
Comparative example 3
Add common salt antistatic agent, acrylate oligomer uses common oligomer, remaining is matched by embodiment method
It sets.
Table 1
1, test method
Damp and hot adaptation test
After being placed 500 hours under 65 DEG C, the atmosphere of 95%RH, after room temperature 24 hours, according to ASTM D3359
Test method determines attachment of the micro-structural resin layer to substrate DBEF film using cross cut test and 610 cellophane tape of 3M
Power.Adhesive force is divided into 0 to 5 six grades, wherein 0 refers to that coating is all detached from, and 5 refer to uncoated disengaging.(therefore
The coating that " 4 " are equivalent to about 80% keeps attachment or 20% coating to be detached from)
Migration test
Low-voltage light-transmissive film is placed against unprimed cleaning PET sheet, antistatic agent is assessed in this way and moves
Move to surface and the tendency for being transferred to other films.Then the laminates are arranged between 1/8 inch of glass plate, these glass
Plate is separated by by 1/16 inch of gasket holding.These plates are placed in again in the room of 65 DEG C and 95% relative humidity, keep 72
Hour.Subsequent visual inspection polyester assesses the sign of its discoloration and antisatic additive transfer." P " shows that assessment is closed
Lattice do not observe transfer, and " NP " shows have residue deposition on PET.
Light transmittance, mist degree test
According to JISK 7105, using nephelometer (NDH5000, Japan's electricity color industry manufacture) the cured film of measurement, evaluation is complete
Light transmittance, mist degree.As the benchmark of albefaction, with it is practical it is upper there is no problem, 90% or more full light transmittance and 1% with
Under mist degree be qualification.
Sheet resistance test
Low-voltage light-transmissive film is made according to the above method, is placed under 25 DEG C and 50% environment of relative humidity and is placed 1 day, then uses
ST-3 (SIMCO company, Japan) measurement sheet resistance.
Low-voltage light-transmissive film is placed under 25 DEG C and 50% environment of relative humidity and stands 2 days, later again with alcohol wipe 50
After secondary, surface resistivity is measured.
The test of dyestripping electrostatic pressure
Low-voltage light-transmissive film is made according to the above method, is bonded protective film, is placed in 25 DEG C and is transferred with 50% environment of relative humidity
It sets 1 day, then with ST-3 (SIMCO company, Japan) measurement sheet resistance after dyestripping.Moment electrostatic is tested with electrostatic pressure simultaneously
Pressure.
It will be bonded the light-transmissive film of protective film, is placed under 25 DEG C and 50% environment of relative humidity and stands 7 days, then used after dyestripping
ST-3 (SIMCO company, Japan) measurement sheet resistance.Moment electrostatic pressure is tested with electrostatic pressure simultaneously.
Table 2
The polymerizable acrylic ester oligomer containing polyethoxy segment and polymerizable type salt is used to resist as shown in Table 2 quiet
Electric agent combination can obtain excellent antistatic light-transmissive film, and excellent antistatic effect is still able to maintain after removing protective film.
The foregoing is merely the preferred embodiment of invention, be not intended to limit the present invention, it is all the spirit and principles in the present invention it
Modifications, equivalent substitutions and improvements made by interior etc., should all be included in the protection scope of the present invention.Attempt accordingly to the present invention
Make limitation in any form, therefore all have any modification or change for making the related present invention under identical spirit,
The scope that the invention is intended to protect should be all included in.
Claims (8)
1. a kind of antistatic light transmission coating, which is characterized in that include following composition:
Polymerizable acrylic ester oligomer, the polymerizable acrylic ester oligomer contain polyethoxy segment；
Acrylate monomer；
Polymerizable type salt；
Photoinitiator,
Polyethoxy segment accounts for the number-average molecular weight of polymerizable acrylic ester oligomer in the polymerizable acrylic ester oligomer
Percentage composition be not less than 20,
The polymerizable type salt structure is as follows:
RnJH4-x+-A[SO2Rf]m
Wherein X is in 0 to 4 range；M is in 1 to 3 range
J is nitrogen or phosphorus；
A is nitrogen or carbon；
RnAnd RfIt independently is selected from alkyl or alkylsiloxane containing oxygen atom, and contains at least one reactive allyl alkane
Base group, the number range of carbon atom is 1-12 in the alkyl or alkylsiloxane.
2. antistatic light transmission coating according to claim 1, which is characterized in that the polymerizable acrylic ester oligomer
Content account for entire composition weight percentage composition range be 30wt% -50wt%.
3. antistatic light transmission coating according to claim 1, which is characterized in that the polymerizable acrylic ester oligomer
Number-average molecular weight be selected from 200-4000.
4. antistatic light transmission coating according to claim 1, which is characterized in that the acrylate monomer is selected from: 1,
6- hexanediyl ester, tripropylene glycol diacrylate, ethoxylated bisphenol A diacrylate, ethoxyquin trihydroxy methyl third
One of alkane triacrylate, acryloyl morpholine and hydroxypropyl acrylate are a variety of.
5. antistatic light transmission coating according to claim 4, which is characterized in that the content of the acrylate monomer accounts for
The range of entire composition weight percentage composition is 30wt% -60wt%.
6. antistatic light transmission coating according to claim 1, which is characterized in that the photoinitiator be selected from phosphine oxide and
One or both of phosphate.
7. antistatic light transmission coating according to claim 6, which is characterized in that the content of the photoinitiator accounts for entirely
The range of composition weight percentage composition is 1wt% -10wt%.
8. a kind of antistatic light-transmissive film, which is characterized in that applied comprising the described in any item antistatic light-transmissive films of claim 1-7
Material.
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| JP7096656B2 (en) * | 2017-09-29 | 2022-07-06 | マクセル株式会社 | Coating composition, conductive film, touch panel and manufacturing method |
| CN111154428A (en) * | 2019-12-18 | 2020-05-15 | 苏州高泰电子技术股份有限公司 | Antistatic UV (ultraviolet) anti-sticking adhesive tape and preparation method thereof |
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| DE59712007D1 (en) * | 1996-09-16 | 2004-11-18 | Ciba Sc Holding Ag | Antistatic composition |
| US8128842B2 (en) * | 2006-09-01 | 2012-03-06 | BASF SE Ludwigshafen | Process for the preparation of an antistatic composition |
| CN103773093B (en) * | 2014-02-10 | 2016-09-28 | 张家港康得新光电材料有限公司 | A kind of ultraviolet light polymerization high-transparent permanent anti-static coating |
| CN105316939A (en) * | 2014-07-11 | 2016-02-10 | 远东新世纪股份有限公司 | Antistatic agent composition for fabrics and preparation method thereof |
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