CN109694487A - A kind of reflection-type near ultraviolet cut-off protective film - Google Patents

A kind of reflection-type near ultraviolet cut-off protective film Download PDF

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Publication number
CN109694487A
CN109694487A CN201711032405.3A CN201711032405A CN109694487A CN 109694487 A CN109694487 A CN 109694487A CN 201711032405 A CN201711032405 A CN 201711032405A CN 109694487 A CN109694487 A CN 109694487A
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China
Prior art keywords
near ultraviolet
reflection
film
protective film
chiral
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Withdrawn
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CN201711032405.3A
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Chinese (zh)
Inventor
严生
吴文杰
其他发明人请求不公开姓名
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Suzhou Alcody New Mstar Technology Ltd
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Suzhou Alcody New Mstar Technology Ltd
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Priority to CN201711032405.3A priority Critical patent/CN109694487A/en
Publication of CN109694487A publication Critical patent/CN109694487A/en
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04Coating
    • C08J7/0427Coating with only one layer of a composition containing a polymer binder
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D4/00Coating 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
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2479/00Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2461/00 - C08J2477/00
    • C08J2479/02Polyamines

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Paints Or Removers (AREA)

Abstract

The present invention relates to a kind of reflection-type near ultraviolets to end protective film; it include: high-transparent film substrate; on film substrate surface, coating near ultraviolet ends coating; the near ultraviolet cut-off coating is the polymeric coating layer with reflection function; it is assembled using macromolecular structure; control different polymer monomer combination, initiator amount and initiation conditions; form molecular density gradient difference; and then realize height refringence inside high molecular polymer; realize height index matching; the part reflection for reaching 400-450nm wave band, realizes near ultraviolet cutoff function.Near ultraviolet of the invention ends protective film, and simple process only need to be coated with one layer of polymeric coating layer in substrate surface;The performances such as the transparency of near ultraviolet cut-off protective film of the present invention is good, hardness is high, adhesive force is strong, processability is good, are advantageously implemented industrialization.Manufactured film is widely used in 3C Product screen protecting film, while the brightness that the part black light reflected also can be improved colour gamut, enhance product light source.

Description

A kind of reflection-type near ultraviolet cut-off protective film
Technical field
The present invention relates to protection technical field of membrane more particularly to a kind of reflection-type near ultraviolet to end protective film.
Background technique
A large amount of blue light is remained in LED, computer bias light artificial light sources, so that artificial light is whiter, brighter, some Especially white bright light to people's blueing always feeling, here it is blue light ratio it is excessively high caused by.All kinds of computers, television screen, All contain the shortwave blue light of a large amount of irregular frequency in the visible light that the various novel artificial light sources such as energy-saving lamp issue.Long-term Blue light illumination retina can generate free radicals, and these free radicals will lead to retinal pigment epithelium decline, so as to cause A variety of ophthalmology diseases such as retinopathy.
Blue light is largely present in the light such as computer monitor, fluorescent lamp, mobile phone, digital product, display screen, LED, the wave Blue light in length can be such that the macular area toxin amount in eyes increases, and seriously threaten our eye health.Wherein, wavelength 400- Shortwave blue light between 450nm is maximum to the extent of injury of retina.
Currently, the research of the near ultraviolet cut-off protective film of relevant report is relatively fewer, multi-layer co-extruded (utilize is focused primarily upon The refringence of two kinds of materials, multiple-layer stacked realize specific band reflection) and coating process.But its disadvantage is also evident from: work Skill is complicated, and equipment investment is high, low efficiency, higher cost.
The present invention relates to a kind of reflection-type near ultraviolets to end protective film, only need to be coated with one layer of macromolecule in substrate surface and apply Layer, is assembled using macromolecular structure, is controlled different polymer monomer combination, initiator amount and initiation conditions, is formed molecule Density gradient is poor, and then realizes height refringence inside high molecular polymer, realizes height index matching, reaches 400- The part of 450nm wave band is reflected, and realizes near ultraviolet cutoff function, while the part black light reflected also can be improved colour gamut, increase The brightness of strong product light source.
Summary of the invention
In order to overcome the complex process of existing near ultraviolet cut film, equipment investment is high, low efficiency, higher cost.The present invention It is related to a kind of reflection-type near ultraviolet cut-off protective film, which ends protective film simple process and low cost, adhesive force Good, transparency is high, can reach the part reflection of 400-450nm wave band.
To achieve the above object, the technical solution adopted by the present invention is that:
The present invention relates to a kind of reflection-type near ultraviolet end protective film, which is characterized in that it include high-transparent film substrate and On film substrate surface, coating near ultraviolet ends polymeric coating layer.
High-transparent film substrate as described above is polyester film, polycarbonate resin, polystyrene film, polyacrylate One or more of film, polymethacrylates film, polyurethane film, polyvinyl resin and polyvinyl chloride film mix Close object;The thickness of substrate is at 20-250 μm.
Polymeric coating layer as described above includes: the donor or receptor of hydrogen bond, achiral polymerisable monomer, Chiral polymerisable Monomer and solvent become crosslinking polymer network by polymerization;The mass percent of the component of achiral polymerisable monomer 1~ Between 50%wt;The constituent mass percentage of Chiral polymerisable monomer is between 1~70%wt;The quality percentage of the component of solvent Than between 1~80%wt;Further, initiator of the mass percent of component between 0~10%wt is added, accelerates polymerization Speed;Moistening flatting agent of the mass percent of component between 0.0001~5%wt is added, improves the knot of macromolecule and substrate Conjunction ability and film forming.
The donor or receptor of hydrogen bond as described above, contain amino, imido grpup, nitro, hydroxyl, carboxyl, pyridyl group, piperidines One or more group in base, isonicotinic acid.
The chiral primitive of Chiral polymerisable monomer as described above is chiral isoamyl alcohol, chiral sec-octyl alcohol, chiral phenyl second two One in the chloro- 4- methyl-1-hexanol of alcohol, 6-, the bromo- 4- methyl-1 of 6--hexanol, isobide, anhydromannitol and Binaphthol It is a or multiple.
Achiral polymerisable monomer or Chiral polymerisable monomer as described above have one or more polymerizable groups, can gather Conjunction group be acryloyl group, methylacryloyl, fluoropropene base, Chloroallyl, trifluoromethyl acrylic, oxetanyl, Vinyl ether, vinyl ketone base, dimaleoyl imino, phenyl maleimide base, vinyl, styryl, diacetyl With one of epoxy group or a variety of.
Initiator as described above is multifunctional initiator and macromole evocating agent, such as crosses ketenes silane acetal, oxidation Benzoyl, benzoin ethers, benzil ketals class, diaryl iodonium salt, triarylsulfonium salt, diphenyl iodine arsenate, benzene Ethyl ketone class, benzophenone, 4- methoxyphenyl phenyl-iodide tetrafluoroborate, 4- methoxyphenyl phenyl-iodide hexafluoro phosphonic acids Salt, 4- tert-butyl-phenyl iodine diphenyl iodine hexafluorophosphonate, 4- methoxyphenyl diphenyl sulfonium tetrahydro phosphonate, triphen Base sulfonium tetraborate, 4- methoxyphenyl diphenyl sulfonium trifluoromethayl sulfonic acid ester, 4- phenyl thiophenyl diphenyl sulfonium six One of fluorine arsenate, benzil dimethyl ketal and double-phenylphosphine oxide are a variety of.
Solvent as described above is tetrahydrofuran, acetonitrile, benzene,toluene,xylene, acetone, cyclopropanone, cyclohexanone, toluene Cyclohexanone, dioxane, ethylene glycol, glycerine, styrene, perchloroethylene, trichloro ethylene, ethylene glycol ether, triethanolamine, One of hexamethylene, pentane, hexane, octane, ethyl acetate, glycol monoethyl ether, ethylene glycol monoethyl ether, ethylene glycol monobutyl ether Or it is several.It is preferred that having good dissolubility energy boiling point between 60-200 DEG C polymer monomer, being non-toxic or low-toxic, corrosion-free Property, recyclable solvent.
Macromolecule coating fluid as described above further include polymerization inhibitor, defoaming agent, diluent, ultraviolet absorbing agent, alignment agent, One of surfactant, uv-curable glue and heat-curable glue are a variety of.
Compared with prior art, the invention has the beneficial effects that:
1. manufacture craft of the invention is simple, only it need to be coated with one layer of macromolecule coating fluid in substrate surface, prepared resulting Near ultraviolet cut film has good thermo mechanical stability and weatherability, and light transmittance is high, nontoxic, applied widely, and more Layer squeezes out, coating process is compared, and greatly reduces cost;
2. polymer monomer used in the present invention there are several compositions, two or more molecular density products may be implemented, lead to It crosses chiral molecule cross-link together, high low-refraction collocation in same high polymer may be implemented, reach the portion of 400-450nm wave band Divide reflection, realizes near ultraviolet cutoff function;Meanwhile the brightness that the blue light of part reflection can be improved colour gamut, enhance light source.
Detailed description of the invention
Fig. 1 is the polymerisable monomer structural formula in one embodiment of the invention in macromolecule coating fluid, wherein (a) is hand Property polymerisable monomer a structural formula, (b) be achiral monomers polymerized monomer a structural formula.
Fig. 2 is the transmitted light spectrogram of the reflection-type near ultraviolet cut-off protective film provided.
Specific embodiment
Below in conjunction with specific embodiment, technical scheme is described further.
1. the excessively smooth iron plate of tinfoil is put into baking oven first, it is baked to 70-90 DEG C (practical is normally 75-80 DEG C);
2. 10 parts of 10% polyethyleneimine is secondly taken, 10 parts of Chiral polymerisable monomer (a), achiral polymerisable monomer (b) 10 parts, initiator cross 0.6 part, 0.1 part levelling agent Solvesso150 of ketenes silane acetal, 20 parts of cyclohexanone, 100 parts of toluene, 0.2 part of curing agent DACH, above-mentioned material stirring is uniformly mixed, and near ultraviolet is made and ends macromolecule coating fluid, with RDS4# bar (10 μm of wet film gap), control wet-film thickness are 2-20 μm and are uniformly coated on 50 μm of the PET without any HC or primer;
3. wet film is put on baking oven tinfoil or iron plate after the completion of coating, solvent is removed to 1min within baking 15 seconds.Due to There are hydrogen bond action between chiral polymerized monomer and nitroaniline, Chiral polymerisable monomer molecule is migrated to nitrobenzene amine layer, with Other polymerized monomers form concentration gradient, and then form pitch gradient;
4. finally taking the film out by 40mj/cm2-800mj/cm2UV curing, fixed pitch gradient obtains near ultraviolet Cut film tests its performance.Transmitted light spectrogram is as shown in Figure 2.
It is finally noted that the purpose for publicizing and implementing mode is to help to further understand the present invention, but ability The technical staff in domain is understood that without departing from the spirit and scope of the invention and the appended claims, various replacements and Modification is all possible.Therefore, the present invention should not be limited to embodiment disclosure of that, the scope of protection of present invention with Subject to the range that claims define.

Claims (9)

1. the present invention relates to a kind of reflection-type near ultraviolet end protective film, which is characterized in that it include high-transparent film substrate and Film substrate surface is coated with macromolecule near ultraviolet and ends coating, and the near ultraviolet cut-off coating is the high score with reflection function Sub- coating.
2. a kind of reflection-type near ultraviolet according to claim 1 ends protective film, it is characterised in that: the high-transparent film Substrate is polyester film, polycarbonate resin, polystyrene film, polyacrylate film, polymethacrylates film, gathers The mixture of one or more of urethane film, polyvinyl resin and polyvinyl chloride film;The thickness of substrate is at 20-250 μm.
3. a kind of reflection-type near ultraviolet according to claim 1 ends protective film, it is characterised in that: the macromolecule applies Layer includes: the donor or receptor of hydrogen bond, and achiral polymerisable monomer, Chiral polymerisable monomer and solvent are become by polymerization and handed over Linked polymer network;The mass percent of the component of achiral polymerisable monomer is between 1~50%wt;Chiral polymerisable monomer Constituent mass percentage between 1~70%wt;The mass percent of the component of solvent is between 1~80%wt;Further, Initiator of the mass percent of component between 0~10%wt is added, accelerates polymerization speed;The mass percent of component is added Moistening flatting agent between 0.0001~5%wt improves the binding ability and film forming of macromolecule and substrate.
4. a kind of reflection-type near ultraviolet ends protective film according to claim 3, it is characterised in that: the donor of the hydrogen bond or Person's receptor contains one or more base in amino, imido grpup, nitro, hydroxyl, carboxyl, pyridyl group, piperidyl, isonicotinic acid Group.
5. a kind of reflection-type near ultraviolet according to claim 3 ends protective film, it is characterised in that: the Chiral polymerisable The chiral primitive of monomer is chiral isoamyl alcohol, chiral sec-octyl alcohol, chiral styrene glycol, the chloro- 4- methyl-1-hexanol of 6-, 6- bromo- One or more of 4- methyl-1-hexanol, isobide, anhydromannitol and Binaphthol.
6. a kind of reflection-type near ultraviolet according to claim 3 ends protective film, it is characterised in that: the achirality can gather Closing monomer or Chiral polymerisable monomer has one or more polymerizable groups, and polymerizable groups are acryloyl group, metering system Acyl group, fluoropropene base, Chloroallyl, trifluoromethyl acrylic, oxetanyl, vinyl ether, vinyl ketone base, Malaysia One of imide, phenyl maleimide base, vinyl, styryl, diacetyl and epoxy group are a variety of.
7. a kind of reflection-type near ultraviolet according to claim 3 ends protective film, it is characterised in that: the initiator is more Functional group initiator and macromole evocating agent such as cross ketenes silane acetal, Benzoyl Oxide, benzoin ethers, benzil contracting Ketone, diaryl iodonium salt, triarylsulfonium salt, diphenyl iodine arsenate, acetophenones, benzophenone, 4- methoxyl group Phenyl iodine tetrafluoroborate, 4- methoxyphenyl phenyl-iodide hexafluorophosphonate, 4- tert-butyl-phenyl iodine diphenyl Iodine hexafluorophosphonate, 4- methoxyphenyl diphenyl sulfonium tetrahydro phosphonate, triphenylsulfonium tetraborate, 4- methoxybenzene Base diphenyl sulfonium trifluoromethayl sulfonic acid ester, 4- phenyl thiophenyl diphenyl sulfonium hexafluoro arsenate, benzil dimethyl ketal With one of double-phenylphosphine oxide or a variety of.
8. a kind of reflection-type near ultraviolet according to claim 3 ends protective film, it is characterised in that: the solvent is four Hydrogen furans, acetonitrile, benzene,toluene,xylene, acetone, cyclopropanone, cyclohexanone, toluene cyclohexanone, dioxane, ethylene glycol, the third three Alcohol, styrene, perchloroethylene, trichloro ethylene, ethylene glycol ether, triethanolamine, hexamethylene, pentane, hexane, octane, acetic acid One or more of ethyl ester, glycol monoethyl ether, ethylene glycol monoethyl ether, ethylene glycol monobutyl ether.It is preferred that having to polymer monomer Solvent of the good dissolubility energy boiling point between 60 DEG C -200 DEG C, non-toxic or low-toxic, non-corrosive, recyclable.
9. a kind of reflection-type near ultraviolet ends protective film according to claim 3, it is characterised in that: the macromolecule coating Liquid further includes polymerization inhibitor, defoaming agent, diluent, ultraviolet absorbing agent, alignment agent, surfactant, uv-curable glue and thermosetting Change one of glue or a variety of.
CN201711032405.3A 2017-10-23 2017-10-23 A kind of reflection-type near ultraviolet cut-off protective film Withdrawn CN109694487A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111117409A (en) * 2019-12-31 2020-05-08 苏州艾科迪新材料科技有限公司 Colorful polymer coating and preparation method thereof
CN112694634A (en) * 2020-12-22 2021-04-23 海安浩驰科技有限公司 Preparation method and application of film material with spectrum selective reflection colorful coating

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Publication number Priority date Publication date Assignee Title
CN1414048A (en) * 2001-10-25 2003-04-30 捷时雅株式会社 Solidified composition forming as protective membrane, forming method of the membrance and the membrane
US20050202263A1 (en) * 2004-03-09 2005-09-15 Jonathan Sargent Barrier layer to prevent the loss of additives in an underlying layer
CN105229090A (en) * 2013-05-31 2016-01-06 3M创新有限公司 LBL self assembly comprises method and the goods of the polymer electrolyte of photoabsorption or Photostabilised compound
CN105425327A (en) * 2015-12-10 2016-03-23 北京海川利元材料科技有限公司 Cholesteric liquid crystal and reflective-type circular polarization sheet thereof, and manufacturing method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1414048A (en) * 2001-10-25 2003-04-30 捷时雅株式会社 Solidified composition forming as protective membrane, forming method of the membrance and the membrane
US20050202263A1 (en) * 2004-03-09 2005-09-15 Jonathan Sargent Barrier layer to prevent the loss of additives in an underlying layer
CN105229090A (en) * 2013-05-31 2016-01-06 3M创新有限公司 LBL self assembly comprises method and the goods of the polymer electrolyte of photoabsorption or Photostabilised compound
CN105425327A (en) * 2015-12-10 2016-03-23 北京海川利元材料科技有限公司 Cholesteric liquid crystal and reflective-type circular polarization sheet thereof, and manufacturing method

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111117409A (en) * 2019-12-31 2020-05-08 苏州艾科迪新材料科技有限公司 Colorful polymer coating and preparation method thereof
CN112694634A (en) * 2020-12-22 2021-04-23 海安浩驰科技有限公司 Preparation method and application of film material with spectrum selective reflection colorful coating

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