CN108582936A - The protective film of high-barrier near-infrared - Google Patents

The protective film of high-barrier near-infrared Download PDF

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Publication number
CN108582936A
CN108582936A CN201810141409.3A CN201810141409A CN108582936A CN 108582936 A CN108582936 A CN 108582936A CN 201810141409 A CN201810141409 A CN 201810141409A CN 108582936 A CN108582936 A CN 108582936A
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Prior art keywords
infrared
protective film
layer
barrier
barrier near
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Granted
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CN201810141409.3A
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CN108582936B (en
Inventor
金闯
张庆杰
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Jiangsu Stick New Materials Polytron Technologies Inc
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Jiangsu Stick New Materials Polytron Technologies Inc
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/22—Layered products comprising a layer of synthetic resin characterised by the use of special additives using plasticisers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08L27/16—Homopolymers or copolymers or vinylidene fluoride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/212—Electromagnetic interference shielding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/554—Wear resistance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/71—Resistive to light or to UV
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
    • B32B2307/7145—Rot proof, resistant to bacteria, mildew, mould, fungi
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/73—Hydrophobic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2571/00—Protective equipment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2231—Oxides; Hydroxides of metals of tin
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/002—Physical properties
    • C08K2201/003—Additives being defined by their diameter
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)

Abstract

This case is related to a kind of protective film of high-barrier near-infrared, including a substrate layer and the barrier layer in the base material layer surface, the barrier layer are made of the material of following parts by weight：30~45 parts of organic silicon modified polyurethane, 2~18 parts of vinyl ethyl ether benzyl acrylate copolymer 1,8~10 parts of PPE resins, 5~10 parts of plasticizer, 7~15 parts of near infrared absorbent, 0.5~2 part of antioxidant.The present invention uses substrate layer and barrier layer composite construction, it is ensured that when being cut by laser to sheet metal using laser, can effectively ensure that sheet metal surface is without damage；When carrying out cold plasticity forming process, film will not wrinkle, and will not be broken off；High-quality, protecting effect is good.

Description

The protective film of high-barrier near-infrared
Technical field
The present invention relates to thin film technique field more particularly to a kind of protective films of high-barrier near-infrared.
Background technology
Laser processing is since process velocity is fast, can realize dry process and is able to extensive use, especially various micro- Infrared laser is just commonly used in fining-off field.Laser cutting is write with its high speed, high-precision and high notch finish Claim.A large amount of molds are not only saved, while the development cycle of new product being made to shorten dramatically.After laser cutting, generally also need The cold plastic processing of some such as bendings is carried out to sheet metal.Existing processing method is usually to be pasted again on sheet metal The common protective film of last layer, one is sticking common protective film product before laser cutting, but when being cut by laser, Since the auxiliary gas of cryogenic high pressure acts on, common protective film can form a big bubble in cutting part, hinder laser head Normal work, laser head can be caused to damage when serious；Using common protective film, the cold plasticities manufacturing procedures such as bending are being carried out When, film can be caused to wrinkle, phenomena such as embrittlement fractures, mechanical properties, weatherability is poor, oxidizable in air；And some are protected Film heat insulation is poor, and transparency is bad.
Invention content
For the technical problems in the prior art, this case provides a kind of protective film of high-barrier near-infrared.
To achieve the above object, this case is achieved through the following technical solutions：
A kind of protective film of high-barrier near-infrared, wherein including a substrate layer and in the barrier layer of the base material layer surface, The barrier layer is made of the material of following parts by weight：
Preferably, the protective film of the high-barrier near-infrared, wherein the substrate layer is poly- naphthalenedicarboxylic acid ethylene glycol Ester layer and Fluoroine-containing plastic alloy layer；The polyethylene naphthalate layer is set to the bottom surface of Fluoroine-containing plastic alloy layer.
Preferably, the protective film of the high-barrier near-infrared, wherein the Fluoroine-containing plastic alloy layer include 54~ 60wt% Kynoar and 40~48wt% ethylene-chlorotrifluoroethylene.
Preferably, the protective film of the high-barrier near-infrared, wherein the plasticizer is tricresyl phosphate.
Preferably, the protective film of the high-barrier near-infrared, wherein the near infrared absorbent include 24~ 28wt% tin oxide, 15~20wt%EDTA- cuprammonium complexs, 32~38wt%Ti3SnC2With 20~25wt% (V0.5Cr0.5)3AlC2。
Preferably, the protective film of the high-barrier near-infrared, wherein the antioxidant includes 40~55wt% seasons penta Tetrol triacrylate and 50~60wt%2,4- dihydroxy benaophenonels.
Preferably, the protective film of the high-barrier near-infrared, wherein the number of the organic silicon modified polyurethane is divided equally Son amount is 14000~16000g/mol.
Preferably, the protective film of the high-barrier near-infrared, wherein the vinyl ethyl ether-benzyl acrylate In copolymer, vinyl ethyl ether content is 40~50wt%, and benzyl acrylate content is 50~60wt%；The vinyl second The number-average molecular weight of base ether-benzyl acrylate copolymer is 5500~6000g/mol.
Preferably, the protective film of the high-barrier near-infrared, wherein the tin oxide, EDTA- cuprammonium complexs, Ti3SnC2(V0.5Cr0.5)3AlC2Grain size be 100-120nm.
The beneficial effects of the invention are as follows：
(1) present invention uses substrate layer and barrier layer composite construction, it is ensured that is swashed to sheet metal using laser When light is cut, it can effectively ensure that sheet metal surface is without damage；When carrying out cold plasticity forming process, film is not It can wrinkle, will not be broken off；High-quality, protecting effect is good.
(2) present invention is using organic silicon modified polyurethane as the main body of barrier layer；By the way that vinyl ethyl ether-propylene is added Acid benzyl ester copolymer improves the mechanical performance of barrier layer, weatherability, chemical-resistant, colour retention and water resistance；Pass through addition PPE resins improve the dimensional stability and water resistance of barrier layer；Plasticizer is tricresyl phosphate；By the way that tricresyl phosphate is added Toluene ester improves anti-flammability, mildew resistance, wearability, weatherability, the radiation resistance of barrier layer, and increases the flexibility of film；Oxidation Tin, EDTA- cuprammonium complexs, Ti3SnC2(V0.5Cr0.5)3AlC2Rational proportioning improves protective film collectively as absorbent Middle infrared barrier and albedo；Pentaerythritol triacrylate and 2,4-DihydroxyBenzophenone are improved as antioxidant The hot-working character of protective film prevents the aging of polymer film and extends its service life.
(3) present invention is compound as substrate layer, poly- naphthalene diformazan using polyethylene naphthalate layer and Fluoroine-containing plastic alloy layer Sour ethylene glycol ester layer gas barrier property good, excellent hot property and uv absorption capacity；By Fluoroine-containing plastic alloy layer into one Step improve protective film high temperature resistant is color distortion, oxidative resistance, wearability, flexibility, anti-rise intensity and impact resistance intensity.
Specific implementation mode
With reference to embodiment, the present invention is described in further detail, to enable those skilled in the art with reference to specification Word can be implemented according to this.
The present invention provides a kind of protective film of high-barrier near-infrared, including a substrate layer and the resistance in the base material layer surface Interlayer, the barrier layer are made of the material of following parts by weight：
Main body of the organic silicon modified polyurethane as barrier layer, except the higher mechanical strength with polyurethane, oxidation are steady Outside qualitative, flexibility, preferable resilience, oil resistivity, solvent resistance, water resistance and fire resistance, it is modified by organosilicon, Improve its heat resistance and weatherability；By the way that vinyl ethyl ether-benzyl acrylate copolymer is added, the mechanicalness of barrier layer is improved Can, weatherability, chemical-resistant, colour retention and water resistance；By be added PPE resins, improve barrier layer dimensional stability and Water resistance, in PPE subchains, containing a large amount of aromatic ring structure, strand perception is stronger, and the mechanical strength of resin is higher, resistance to Creep properties is excellent, higher heat resistance, and glass transition temperature is up to 211 DEG C, and 268 DEG C of fusing point, shrinking percentage is low, good stability of the dimension.
Wherein, the substrate layer is polyethylene naphthalate layer and Fluoroine-containing plastic alloy layer；The poly- naphthalenedicarboxylic acid second Layer is set to the bottom surface of Fluoroine-containing plastic alloy layer.Make by using polyethylene naphthalate layer and Fluoroine-containing plastic alloy layer For base layer structure, when being cut by laser to sheet metal using laser, can effectively ensure sheet metal surface not by Damage；When carrying out the cold plasticities such as bending forming process, film will not wrinkle, and will not be broken off；It is high-quality, protecting effect It is good.Polyethylene naphthalate layer is easier due to the structure of naphthalene in planar so that one of PEN performances most outstanding are exactly Gas barrier property is good, and naphthalene nucleus improves the aromaticity of macromolecular, makes PEN that there is excellent hot property, the twin nuclei of naphthalene to have There is a very strong uv absorption capacity, the stable mechanical property of PEN, even if in high temperature and pressure, it is elasticity modulus, strong Degree, creep and service life remain to keep comparable stability；The high temperature resistant color of protective film is further increased by Fluoroine-containing plastic alloy layer Denaturation, oxidative resistance, wearability, flexibility, anti-rise intensity and impact resistance intensity.
Wherein, the Fluoroine-containing plastic alloy layer includes 54~60wt% Kynoar and 40~48wt% ethylene-trifluoro chlorine Ethylene copolymer；Pass through Kynoar and ethylene-chlorotrifluoroethylene reasonable compatibility so that Fluoroine-containing plastic alloy layer Performance reaches best.
Wherein, the plasticizer is tricresyl phosphate.Tricresyl phosphate and organic silicon modified polyurethane, PPE resins, Vinyl ethyl ether-benzyl acrylate copolymer compatibility is good, and improves the anti-flammability of barrier layer, mildew resistance, wearability, weather-proof Property, radiation resistance, and increase the flexibility of film.
Wherein, the near infrared absorbent include 24~28wt% tin oxide, 15~20wt%EDTA- cuprammonium complexs, 32~38wt%Ti3SnC2With 20~25wt% (V0.5Cr0.5)3AlC2.Tin oxide, EDTA- cuprammonium complexs, Ti3SnC2With (V0.5Cr0.5)3AlC2By reasonably matching collectively as absorbent, the middle infrared barrier and albedo of protective film are improved.
Wherein, the antioxidant includes 40~55wt% pentaerythritol triacrylates and 50~60wt%2,4- dihydroxy Benzophenone.Pentaerythritol triacrylate and 2,4-DihydroxyBenzophenone improve the hot-working of protective film as antioxidant Performance prevents the aging of polymer film and extends its service life.
Wherein, the number-average molecular weight of the organic silicon modified polyurethane is 14000~16000g/mol；If number-average molecular weight Less than 14000g/mol, then the machining property of film can be reduced, it is made to cannot be satisfied to toughness and machine-shaping quality It is required that；If number-average molecular weight is more than 16000g/mol, the flexibility and heat resistance of polymer can be influenced.
In the vinyl ethyl ether-benzyl acrylate copolymer, vinyl ethyl ether content is 40~50wt%, propylene Acid benzyl ester content is 50~60wt%；The number-average molecular weight of the vinyl ethyl ether-benzyl acrylate copolymer be 5500~ 6000g/mol.In vinyl ethyl ether-benzyl acrylate copolymer, vinyl ethyl ether content and benzyl acrylate content quilt Limitation, while its number-average molecular weight is also limited, if deviateing this numberical range, the additive will be caused to be matched with whole system and lost Weighing apparatus, to reduce corresponding performance in protective film.
Wherein, the tin oxide, EDTA- cuprammonium complexs, Ti3SnC2(V0.5Cr0.5)3AlC2Grain size be 100- 120nm.By to tin oxide, EDTA- cuprammonium complexs, Ti3SnC2(V0.5Cr0.5)3AlC2Particle size limitation, the grain Diameter range can be such that protective film is balanced well between high barrier and high light transmission.
Some specific embodiments and comparative example and the performance test results are listed below：
Following table lists the performance test results of embodiment and comparative example.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited In specific details.

Claims (9)

1. a kind of protective film of high-barrier near-infrared, which is characterized in that including a substrate layer and in the resistance of the base material layer surface Interlayer, the barrier layer are made of the material of following parts by weight：
2. the protective film of high-barrier near-infrared as described in claim 1, which is characterized in that the substrate layer is poly- naphthalenedicarboxylic acid Ethylene glycol ester layer and Fluoroine-containing plastic alloy layer；The polyethylene naphthalate layer is set to the bottom surface of Fluoroine-containing plastic alloy layer.
3. the protective film of high-barrier near-infrared as claimed in claim 2, which is characterized in that the Fluoroine-containing plastic alloy layer includes 54 ~60wt% Kynoar and 40~48wt% ethylene-chlorotrifluoroethylene.
4. the protective film of high-barrier near-infrared as described in claim 1, which is characterized in that the plasticizer is phosphate trimethylbenzene Ester.
5. the protective film of high-barrier near-infrared as described in claim 1, which is characterized in that the near infrared absorbent includes 24 ~28wt% tin oxide, 15~20wt%EDTA- cuprammonium complexs, 32~38wt%Ti3SnC2With 20~25wt% (V0.5Cr0.5)3AlC2。
6. the protective film of high-barrier near-infrared as described in claim 1, which is characterized in that the antioxidant include 40~ 55wt% pentaerythritol triacrylates and 50~60wt%2,4- dihydroxy benaophenonels.
7. the protective film of high-barrier near-infrared as described in claim 1, which is characterized in that the organic silicon modified polyurethane Number-average molecular weight is 14000~16000g/mol.
8. the protective film of high-barrier near-infrared as described in claim 1, which is characterized in that the vinyl ethyl ether-propylene In acid benzyl ester copolymer, vinyl ethyl ether content is 40~50wt%, and benzyl acrylate content is 50~60wt%；The second The number-average molecular weight of alkenyl ethylether-benzyl acrylate copolymer is 5500~6000g/mol.
9. the protective film of high-barrier near-infrared as claimed in claim 5, which is characterized in that the tin oxide, EDTA- cuprammonium networks Close object, Ti3SnC2(V0.5Cr0.5)3AlC2Grain size be 100-120nm.
CN201810141409.3A 2018-02-11 2018-02-11 High-barrier near-infrared protective film Active CN108582936B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0079708A1 (en) * 1981-11-09 1983-05-25 Sumitomo Electric Industries Limited Infrared transmitting material consisting of silver chloride and silver bromide
WO2000027629A1 (en) * 1998-11-06 2000-05-18 1334495 Ontario Inc. Thermally reflective substrate coating
US6366397B1 (en) * 2000-03-10 2002-04-02 Ntt Advanced Technology Corporation Infrared radiation reflector and infrared radiation transmitting composition
CN103269852A (en) * 2010-10-25 2013-08-28 拜耳知识产权有限责任公司 Multilayer plastic structure having low energy transmission

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0079708A1 (en) * 1981-11-09 1983-05-25 Sumitomo Electric Industries Limited Infrared transmitting material consisting of silver chloride and silver bromide
WO2000027629A1 (en) * 1998-11-06 2000-05-18 1334495 Ontario Inc. Thermally reflective substrate coating
US6366397B1 (en) * 2000-03-10 2002-04-02 Ntt Advanced Technology Corporation Infrared radiation reflector and infrared radiation transmitting composition
CN103269852A (en) * 2010-10-25 2013-08-28 拜耳知识产权有限责任公司 Multilayer plastic structure having low energy transmission

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