CN104602503B - Flexible electromagnetic protection envelope composite material and preparation method thereof - Google Patents
Flexible electromagnetic protection envelope composite material and preparation method thereof Download PDFInfo
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- CN104602503B CN104602503B CN201510014480.1A CN201510014480A CN104602503B CN 104602503 B CN104602503 B CN 104602503B CN 201510014480 A CN201510014480 A CN 201510014480A CN 104602503 B CN104602503 B CN 104602503B
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- protection envelope
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- 239000002131 composite material Substances 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title abstract description 8
- 239000010410 layer Substances 0.000 claims abstract description 55
- 230000004888 barrier function Effects 0.000 claims abstract description 19
- 239000000853 adhesive Substances 0.000 claims abstract description 17
- 230000001070 adhesive effect Effects 0.000 claims abstract description 17
- 239000004744 fabric Substances 0.000 claims abstract description 11
- 229920002635 polyurethane Polymers 0.000 claims abstract description 10
- 239000004814 polyurethane Substances 0.000 claims abstract description 10
- 239000006229 carbon black Substances 0.000 claims abstract description 5
- 238000007747 plating Methods 0.000 claims abstract description 5
- 239000000126 substance Substances 0.000 claims abstract description 5
- 239000000758 substrate Substances 0.000 claims description 14
- 229910052782 aluminium Inorganic materials 0.000 claims description 13
- 239000012790 adhesive layer Substances 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 11
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 9
- 150000002148 esters Chemical class 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 239000004970 Chain extender Substances 0.000 claims description 3
- 229920004934 Dacron® Polymers 0.000 claims description 3
- 239000005030 aluminium foil Substances 0.000 claims description 3
- 238000007772 electroless plating Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 3
- 229920005906 polyester polyol Polymers 0.000 claims description 3
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 34
- 230000000694 effects Effects 0.000 abstract description 5
- 238000003860 storage Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract 1
- 239000012793 heat-sealing layer Substances 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 abstract 1
- 239000004033 plastic Substances 0.000 abstract 1
- 239000010408 film Substances 0.000 description 13
- 238000004513 sizing Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 208000032368 Device malfunction Diseases 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229920000914 Metallic fiber Polymers 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention provides a flexible electromagnetic protection envelope composite material and a preparation method thereof, wherein the flexible electromagnetic protection envelope composite material consists of a base material layer (1) formed by chemical plating of conductive fabrics, a barrier layer (2) formed by an aluminum-plastic composite film, a heat sealing layer (3) formed by a carbon black modified antistatic PE film and a bonding layer (4) adopting an ester-soluble polyurethane adhesive. By adopting the technical scheme provided by the invention, the problems that the electromagnetic shielding effect of the electromagnetic protection envelope material in a wide frequency range is poor, and the electromagnetic protection envelope material is difficult to adapt to the electromagnetic protection problem of the military equipment envelope storage under severe field operation environmental conditions are solved, and the electromagnetic protection envelope material has good comprehensive use performances such as high electromagnetic shielding efficiency, small density, thin thickness, high barrier property, good mechanical property and the like, and can meet the use requirements of the electromagnetic protection envelope material of the military equipment under the field operation conditions.
Description
Technical field
The invention belongs to electromagnetic protection field, is related to a kind of flexible electromagnetic protection composite material and preparation method thereof, especially
It is related to a kind of suitable for armament equipment storage envelope electromagnetic protection composite material under field condition and preparation method thereof.
Background technology
At present, big envelope Plugging Technology Applied be widely used in the armament equipments such as tank, cannon, ammunition and equipment accumulating packaging and
Field operation cluster stores.The function of existing envelope material is mostly focused on moisture-proof, heat-insulated, camouflage etc., to the whole of armament equipment
Body electromagnetic protection considers less.With quickly propelling for IT-based warfare, Battle Field Electromagnetic shows that signal is intensive, species is numerous
The complex characteristics such as more, confrontation fierceness, dynamic change, meanwhile, the integrated level of electronic equipment and sensitivity in high-tech armament equipment
It is higher and higher, it is easy to it is subject to the interference of electromagnetic energy and occurs failing or damage, and whole system information may be caused to slip up,
Control the serious consequence such as failure, electro explosive device malfunction.The electricity that Complicated Electromagnetic Environment in Battlefield stores armament equipment field operation big envelope
Magnetic protection proposes new demand, and the electromagnet shield effect and integral protection performance to envelope material propose the requirement of higher.
Since envelope material must have the characteristics that surface density is low, foldable, traditional electromagnetic shielding material for example copper, iron,
The metal materials such as aluminium because have the characteristics that density is big, rigidity is big, production receive in envelope material is applied with difficult processing it is very big
Limitation, when shielded layer of electromagnetic protection envelope material, can only use flexible electromagnetic shielding material, in general, flexible electromagnetic shielding
Material is divided into two major class of conductive film type shielding material and conductive fabric type shielding material.
Conductive fabric is exactly to plate metal in general textile surface, or by weaving metallic fibers in textile, such as
Carbon fiber and general fibre blended fabric, common chemical fibre complex copper fabric etc., make fabric both have the good shielding of metal
Efficiency, while do not lose the features such as the original pliability of textile again.Though conductive fabric class material has preferable mechanical performance,
Its moisture resistance, wearability and weatherability are all poor, it is impossible to meet the requirement of envelope material well.
Conductive thin film material is that very thin conductive metal layer is covered with the surface of insulating polymeric material, so as to reach electricity
The purpose of magnetic screen.Its mechanical performance is similar to high molecular material, but its tensile strength is relatively low, and tearing strength is smaller, it is impossible to
Meet envelope material mechanical property requirements.
Being related to the patent of electromagnetic shielding material has 7, application number is respectively 200710123803.6,
200910302251.4、201010611910.5、200910176507.1、201110283199.X、201110396589.8、
201020608145.7, these patents are with their own characteristics on electromagnet shield effect, but these patents are all difficult to meet field operation complexity
Higher shielding properties, flexible performance in wide frequency range under the conditions of electromagnetic environment needed for electromagnetic protection envelope material
Required with robust physical property etc., it is impossible to the making applied to electromagnetic protection big envelope.Prevent for electromagnetism under field condition
Book jacket set not yet proposes effective solution at present to the particular/special requirement of material.
The content of the invention
The present invention is for Complicated Electromagnetic Environment in Battlefield armament equipment field operation big envelope storage electromagnetic protection problem, there is provided a kind of
The solution of flexible electromagnetic protection big envelope composite material and preparation method thereof.
The present invention is achieved through the following technical solutions：
A kind of flexibility electromagnetic protection big envelope composite material, including barrier layer (1), substrate layer (2), hot sealing layer (3) and bonding
Layer (4), the barrier layer (1) surfaces externally and internally respectively paste one layer of substrate layer (2) using adhesive layer (4), two layers substrate layer (2)
Outer surface is respectively adopted adhesive layer (4) and pastes one layer of hot sealing layer (3), it is characterised in that：
The barrier layer (1) uses plastic-aluminum combined film, and fitting closely extrusion compacting with CPP films by aluminium foil forms；
Wherein, the aluminum foil thickness of plastic-aluminum combined film is 5~20 μm, and plastic-aluminum combined overall film thickness is 0.07~0.15mm.
The substrate layer (2) uses chemical plating conductive fabric, and carrying out Electroless Plating Ni by dacron forms；Wherein, change
It is 0.08~0.11mm to learn plating conductive fabric thickness.
The hot sealing layer (3) uses carbon black modified antistatic PE films；Wherein, the thickness of film for 0.05~
0.13mm。
The adhesive layer (4) uses ester soluble polyurethane adhesive；Wherein, the formula group of ester soluble polyurethane adhesive
It is 100: 3~6: 18~25: 0.6~1 to divide polyester polyol, chain extender, MDI, ethyl acetate mass ratio.
The preparation method of flexible electromagnetic protection big envelope composite material uses dry laminating method, it is characterised in that mainly includes
Following steps：
1) it is respectively adopted reticulate pattern roller coat ester soluble polyurethane adhesive in the surfaces externally and internally of barrier layer (1), and by adhesive
Precuring is on barrier layer (1)；Wherein, the speed for applying adhesive is 30 ± 3m/min, and the temperature of precuring is 120 DEG C~130
℃；
2) it is bonded substrate layer (2) respectively on barrier layer (1) two sides through step 1), then cools down after pressure roller sizing, winds；
Wherein, roller temperature is 160 DEG C~180 DEG C, and platen pressure is 3 ± 0.1kg/cm2；
3) surfaces externally and internally of the material to being synthesized through step 2) is surface-treated using corona, to increase the pole of material
Property；
4) reticulate pattern roller coat ester soluble polyurethane adhesive is used in the surfaces externally and internally of the material through step 3), and carried out pre- solid
Change is handled；Wherein, the speed for applying adhesive is 40 ± 3m/min, and the temperature of precuring is 110 DEG C~120 DEG C；
5) it is bonded hot sealing layer (3) respectively on the material two sides through step 4), then cools down after pressure roller sizing, winds；Wherein,
Roller temperature is 150 DEG C~170 DEG C；Platen pressure is 5 ± 0.1kg/cm2；
6) composite material through step 5) is cured；Wherein, curing temperature control is at 40~60 DEG C, and the curing time is
36~48h.
Flexible electromagnetic protection big envelope composite material prepared by the present invention solves single flexible electromagnetic shielding material in width
Effectiveness in the range of frequency is poor, and the synthesis performance under field environment cannot meet that electromagnetic protection envelope material will
The problem of asking.Shield effectiveness of the composite material in 1MHz~18GHz frequency ranges is more than 60dB, and has light-weight, thickness
Thin, the features such as barrier is high, good mechanical property, available for armament equipment electromagnetic protection big envelope under the field condition for making application.
Brief description of the drawings
Attached drawing is a kind of composition schematic diagram of flexible electromagnetic protection big envelope composite material of the present invention.
Embodiment
First, main production equipments
MDL200 type combination machine based on dry operation
2nd, composite Materials Design and raw material type selecting
Flexible electromagnetic protection big envelope composite material is by barrier layer (1), substrate layer (2), hot sealing layer (3) and adhesive layer (4) group
Into, wherein, the barrier layer (1) surfaces externally and internally respectively pastes one layer of substrate layer (2), two layers of substrate layer (2) using adhesive layer (4)
Outer surface be respectively adopted adhesive layer (4) paste one layer of hot sealing layer (3).
The barrier layer (1) uses plastic-aluminum combined film, and fitting closely extrusion compacting with CPP films by aluminium foil forms；
Wherein, the aluminum foil thickness of plastic-aluminum combined film is 15 μm, plastic-aluminum combined overall film thickness 0.1mm.
The substrate layer (2) uses chemical plating conductive fabric, and carrying out Electroless Plating Ni by dacron forms, and proportion is
80g/m2, thickness 0.1mm, tensile strength is warp-wise 900N, broadwise 700N, and shield effectiveness is more than in 1MHz~1.5GHz
60dB。
The hot sealing layer (3) uses carbon black modified antistatic PE films；Wherein, the thickness of film is 0.09mm.
The adhesive layer (4) uses ester soluble polyurethane adhesive, and the synthesizing formula component of adhesive is polyester polyols
Alcohol, chain extender, MDI, ethyl acetate, its mass ratio are 100: 5: 20: 1.
3rd, production stage
The preparation method of flexible electromagnetic protection big envelope composite material uses dry laminating method, mainly includes the following steps that：
1) it is respectively adopted reticulate pattern roller coat ester soluble polyurethane adhesive in the surfaces externally and internally of barrier layer (1), and by adhesive
Precuring is on barrier layer (1)；Wherein, the speed for applying adhesive is 30m/min, and the temperature of precuring is 120 DEG C；
2) it is bonded substrate layer (2) respectively on barrier layer (1) two sides through step 1), then cools down after pressure roller sizing, winds；
Wherein, roller temperature is 160 DEG C, platen pressure 2.9kg/cm2；
3) surfaces externally and internally of the material to being synthesized through step 2) is surface-treated using corona, to increase the pole of material
Property, wherein, it is 6000 volts that surface treatment, which applies voltage,；
4) reticulate pattern roller coat ester soluble polyurethane adhesive is used in the surfaces externally and internally of the material through step 3), and carried out pre- solid
Change is handled；Wherein, the speed for applying adhesive is 42m/min, and the temperature of precuring is 110 DEG C；
5) it is bonded hot sealing layer (3) respectively on the material two sides through step 4), then cools down after pressure roller sizing, winds；Wherein,
Roller temperature is 160 DEG C, platen pressure 5kg/cm2；
6) composite material through step 5) is cured；Wherein, curing temperature control is at 50 DEG C, curing time 48h.
4th, detect
Using electromagnet shield effect of the different test methods to prepared flexible electromagnetic protection big envelope composite material, unit
Area quality, thickness, tensile strength, tearing strength, peel strength, rate of perviousness and surface resistivity etc. are tested, mainly
Technical indicator is as follows：
5th, summarize
Shielding effect of the flexible electromagnetic protection big envelope composite material in 1MHz~18GHz frequency ranges prepared by the present invention
60dB can be more than, and have the characteristics that light-weight, thickness is thin, barrier is high, good mechanical property, available for making high-performance field operation
Electromagnetic protection big envelope.
Claims (1)
1. a kind of flexibility electromagnetic protection big envelope composite material, including barrier layer (1), substrate layer (2), hot sealing layer (3) and adhesive layer
(4), the barrier layer (1) surfaces externally and internally respectively pastes one layer of substrate layer (2), two layers of substrate layer (2) using adhesive layer (4)
Outer surface be respectively adopted adhesive layer (4) paste one layer of hot sealing layer (3), it is characterised in that：
The barrier layer (1) uses plastic-aluminum combined film, and fitting closely extrusion compacting with CPP films by aluminium foil forms；
The substrate layer (2) uses chemical plating conductive fabric, and carrying out Electroless Plating Ni by dacron forms；
The hot sealing layer (3) uses carbon black modified antistatic PE films；
The adhesive layer (4) uses ester soluble polyurethane adhesive；
The aluminum foil thickness of the plastic-aluminum combined film is 5~20 μm, plastic-aluminum combined overall film thickness for 0.07~
0.15mm；
The thickness of the carbon black modified antistatic PE films is 0.05~0.13mm；
The recipe ingredient polyester polyol of the ester soluble polyurethane adhesive, chain extender, MDI, ethyl acetate mass ratio are
100: 3~6: 18~25: 0.6~1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510014480.1A CN104602503B (en) | 2015-01-12 | 2015-01-12 | Flexible electromagnetic protection envelope composite material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510014480.1A CN104602503B (en) | 2015-01-12 | 2015-01-12 | Flexible electromagnetic protection envelope composite material and preparation method thereof |
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| Publication Number | Publication Date |
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| CN104602503A CN104602503A (en) | 2015-05-06 |
| CN104602503B true CN104602503B (en) | 2018-05-15 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107351494A (en) * | 2017-06-20 | 2017-11-17 | 扬州斯帕克实业有限公司 | A kind of fire-retardant compound sealing storing sleeve of high-barrier |
| CN109720024A (en) * | 2018-12-27 | 2019-05-07 | 天津大道空间材料科技有限公司 | A kind of preparation method of flexible structure and shielding construction composite material |
| CN111223589B (en) * | 2019-05-07 | 2022-06-03 | 广东新纪源复合材料股份有限公司 | Cable film and preparation method thereof |
| CN111483193A (en) * | 2020-04-17 | 2020-08-04 | 天津大道空间材料科技有限公司 | High-barrier sealing envelope material for ordnance equipment and preparation method thereof |
| CN113635627A (en) * | 2021-08-19 | 2021-11-12 | 中国兵器工业第五九研究所 | Multifunctional aluminum-plastic cloth composite film with layered structure and preparation method thereof |
| CN115534443A (en) * | 2022-10-08 | 2022-12-30 | 苏州盛达飞智能科技股份有限公司 | Electromagnetic shielding material for hard package |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202163064U (en) * | 2011-07-19 | 2012-03-14 | 上海工程技术大学 | Electromagnetic shielding fabric |
| CN103029386A (en) * | 2012-12-27 | 2013-04-10 | 中国人民解放军总装备部军械技术研究所 | Military puncture-proof, tear-resistant, anti-static and high-barrier camouflage painting composite and preparation method thereof |
| CN103434210A (en) * | 2013-08-05 | 2013-12-11 | 盐城工学院 | Preparation method of high molecular material-metal film composite conducting stably |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6878433B2 (en) * | 1999-12-21 | 2005-04-12 | The Procter & Gamble Company | Applications for laminate web |
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- 2015-01-12 CN CN201510014480.1A patent/CN104602503B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202163064U (en) * | 2011-07-19 | 2012-03-14 | 上海工程技术大学 | Electromagnetic shielding fabric |
| CN103029386A (en) * | 2012-12-27 | 2013-04-10 | 中国人民解放军总装备部军械技术研究所 | Military puncture-proof, tear-resistant, anti-static and high-barrier camouflage painting composite and preparation method thereof |
| CN103434210A (en) * | 2013-08-05 | 2013-12-11 | 盐城工学院 | Preparation method of high molecular material-metal film composite conducting stably |
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Effective date of registration: 20171124 Address after: 050003 Heping West Road, Hebei, Shijiazhuang, No. 97 Applicant after: ARMY ENGINEERING University OF PLA Address before: 050003 Heping West Road, Hebei, Shijiazhuang, No. 97 Applicant before: Army Engineering University of PLA |
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