CN104602503A - Flexible electromagnetic protection jacket composite material and preparation method thereof - Google Patents
Flexible electromagnetic protection jacket composite material and preparation method thereof Download PDFInfo
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- CN104602503A CN104602503A CN201510014480.1A CN201510014480A CN104602503A CN 104602503 A CN104602503 A CN 104602503A CN 201510014480 A CN201510014480 A CN 201510014480A CN 104602503 A CN104602503 A CN 104602503A
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Abstract
The invention provides a flexible electromagnetic protection jacket composite material and a preparation method thereof. The flexible electromagnetic protection jacket composite material is composed of a base material layer (1) composed of chemical plating conductive fabric, a blocking layer (2) composed of aluminum and plastic composite films, a heat seal layer (3) composed of carbon black modification antistatic PE (polyethylene) films and a bonding layer (4) made of ester soluble polyurethane adhesives. By adopting the technical scheme, the flexible electromagnetic protection jacket composite material solves the problems that that electromagnetic protection jacket material is poor in electromagnetic shielding effect in a broadband range and can not adapt to storage electromagnetism protection of an ordnance equipment jacket under field severe environment conditions, has good comprehensive use performance of being high in electromagnetic shielding effectiveness, small in density, small in thickness, high in barrier property, good in mechanical property and the like, and can meet use requirements of ordnance equipment electromagnetic protection jacket material under the field conditions.
Description
Technical field
The invention belongs to electromagnetic protection field, relate to a kind of flexible electromagnetic protection composite material and preparation method thereof, particularly one is applicable to armament equipment storage envelope electromagnetic protection composite material and preparation method thereof under field condition.
Background technology
At present, big envelope Plugging Technology Applied has been widely used in the accumulating packaging of the armament equipments such as tank, cannon, ammunition and equipment and field operations cluster stores.The function of existing envelope material concentrates on the aspects such as moistureproof, heat insulation, camouflage mostly, considers less to the overall electromagnetic protection of armament equipment.Along with the quick propelling of IT-based warfare, Battle Field Electromagnetic presents the complex characteristics such as signal is intensive, of a great variety, antagonism fierceness, dynamic change, simultaneously, in high-tech armament equipment the integrated level of electronic equipment and sensitivity more and more higher, be easy to be subject to the interference of electromagnetic energy and occur losing efficacy or damage, and whole system information may be caused to slip up, control the serious consequences such as malfunctioning, electro explosive device misoperation.Complicated Electromagnetic Environment in Battlefield proposes new demand to the electromagnetic protection that armament equipment field operations big envelope stores, and has higher requirement to the electromagnet shield effect of envelope material and integral protection performance.
Because envelope material must have the features such as surface density is low, collapsible, because having, density is large, rigidity is large, produce and the feature such as difficult processing is greatly limited in envelope material is applied for traditional electromagnetic shielding material such as metal materials such as copper, iron, aluminium, flexible electromagnetic shielding material can only be adopted during the screen of electromagnetic protection envelope material, in general, flexible electromagnetic shielding material is divided into conductive film type shielding material and the large class of conductive fabric type shielding material two.
Conductive fabric plates metal at general textile surface exactly, or by weaving metallic fibers in textile, as carbon fiber and general fibre blend fabric, common chemical fibre complex copper fabric etc., make fabric both have the good screening effectiveness of metal, do not lose the features such as the original pliability of textile again simultaneously.Though conductive fabric class material has good mechanical performance, its moisture resistance, resistance to wear and weatherability are all poor, can not meet the instructions for use of envelope material well.
Conductive film class material is covered with very thin conductive metal layer on the surface of insulating polymeric material, thus reach the object of electromagnetic shielding.Its mechanical performance is similar to macromolecular material, but its tensile strength is lower, and tearing strength is less, can not meet envelope material mechanical property requirements.
The patent relating to 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 differ from one another on electromagnet shield effect, but these patents are all difficult to meet higher shielding properties in the wide frequency range under field operations complex electromagnetic environment condition needed for electromagnetic protection envelope material, the requirements such as flexible serviceability and robust physical property, the making of electromagnetic protection big envelope can not be applied to.For electromagnetic protection big envelope under field condition to the particular/special requirement of material, at present effective solution is not yet proposed.
Summary of the invention
The present invention is directed to Complicated Electromagnetic Environment in Battlefield armament equipment field operations big envelope and store electromagnetic protection problem, provide the solution of a kind 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 flexible electromagnetic protection big envelope composite material, comprise barrier layer (1), substrate layer (2), hot sealing layer (3) and adhesive layer (4), described barrier layer (1) surfaces externally and internally adopts adhesive layer (4) respectively to paste one deck substrate layer (2), the outer surface of two-layer substrate layer (2) adopts adhesive layer (4) to paste one deck hot sealing layer (3) respectively, it is characterized in that:
Described barrier layer (1) adopts plastic-aluminum combined film, is fitted tightly extrude compacting and form by aluminium foil and CPP film; 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.
Described substrate layer (2) adopts chemical plating conductive fabric, carries out Electroless Plating Ni form by dacron; Wherein, chemical plating conductive fabric thickness is 0.08 ~ 0.11mm.
Described hot sealing layer (3) adopts carbon black modified antistatic PE film; Wherein, the thickness of film is 0.05 ~ 0.13mm.
Described adhesive layer (4) adopts ester soluble polyurethane adhesive; Wherein, the recipe ingredient PEPA of ester soluble polyurethane adhesive, chain extender, MDI, ethyl acetate mass ratio are 100: 3 ~ 6: 18 ~ 25: 0.6 ~ 1.
The preparation method of flexible electromagnetic protection big envelope composite material adopts dry laminating method, it is characterized in that, mainly comprises the following steps:
1) reticulate pattern roller coat ester soluble polyurethane adhesive is adopted respectively at the surfaces externally and internally of barrier layer (1), and by adhesive precuring on barrier layer (1); Wherein, the speed being coated with adhesive is 30 ± 3m/min, and the temperature of precuring is 120 DEG C ~ 130 DEG C;
2) through step 1) barrier layer (1) two sides to fit respectively substrate layer (2), then cooling after pressure roller sizing, rolling; Wherein, roller temperature is 160 DEG C ~ 180 DEG C, and platen pressure is 3 ± 0.1kg/cm
2;
3) to through step 2) surfaces externally and internally of material that synthesizes adopts corona to carry out surface treatment, to increase the polarity of material;
4) through step 3) the surfaces externally and internally of material adopt reticulate pattern roller coat ester soluble polyurethane adhesive, and carry out precuring process; Wherein, the speed being coated with adhesive is 40 ± 3m/min, and the temperature of precuring is 110 DEG C ~ 120 DEG C;
5) through step 4) material two sides to fit respectively hot sealing layer (3), then cooling after pressure roller sizing, rolling; Wherein, roller temperature is 150 DEG C ~ 170 DEG C; Platen pressure is 5 ± 0.1kg/cm
2;
6) to through step 5) composite material carry out slaking; Wherein, curing temperature controls at 40 ~ 60 DEG C, and the curing time is 36 ~ 48h.
It is poor that flexible electromagnetic protection big envelope composite material prepared by the present invention solves the effectiveness of single flexible electromagnetic shielding material in wide frequency range, and the comprehensive serviceability under field environment can not meet the problem that electromagnetic protection envelope material requires.The screening effectiveness of composite material in 1MHz ~ 18GHz frequency range is greater than 60dB, and has the features such as lightweight, thickness is thin, barrier is high, good mechanical property, can be used for making armament equipment electromagnetic protection big envelope under the field condition of application.
Accompanying drawing explanation
Accompanying drawing is the composition schematic diagram of a kind of flexible electromagnetic protection big envelope composite material of the present invention.
Embodiment
One, main production equipments
MDL200 type combination machine based on dry operation
Two, composite Materials Design and raw material type selecting
Flexible electromagnetic protection big envelope composite material is made up of barrier layer (1), substrate layer (2), hot sealing layer (3) and adhesive layer (4), wherein, described barrier layer (1) surfaces externally and internally adopts adhesive layer (4) respectively to paste one deck substrate layer (2), and the outer surface of two-layer substrate layer (2) adopts adhesive layer (4) to paste one deck hot sealing layer (3) respectively.
Described barrier layer (1) adopts plastic-aluminum combined film, is fitted tightly extrude compacting and form by aluminium foil and CPP film; Wherein, the aluminum foil thickness of plastic-aluminum combined film is 15 μm, plastic-aluminum combined overall film thickness 0.1mm.
Described substrate layer (2) adopts chemical plating conductive fabric, and carry out Electroless Plating Ni by dacron and form, proportion is 80g/m
2, thickness is 0.1mm, and hot strength is warp-wise 900N, broadwise 700N, and screening effectiveness is greater than 60dB when 1MHz ~ 1.5GHz.
Described hot sealing layer (3) adopts carbon black modified antistatic PE film; Wherein, the thickness of film is 0.09mm.
Described adhesive layer (4) adopts ester soluble polyurethane adhesive, and the synthesizing formula component of adhesive is PEPA, chain extender, MDI, ethyl acetate, and its mass ratio is 100: 5: 20: 1.
Three, production stage
The preparation method of flexible electromagnetic protection big envelope composite material adopts dry laminating method, mainly comprises the following steps:
1) reticulate pattern roller coat ester soluble polyurethane adhesive is adopted respectively at the surfaces externally and internally of barrier layer (1), and by adhesive precuring on barrier layer (1); Wherein, the speed being coated with adhesive is 30m/min, and the temperature of precuring is 120 DEG C;
2) through step 1) barrier layer (1) two sides to fit respectively substrate layer (2), then cooling after pressure roller sizing, rolling; Wherein, roller temperature is 160 DEG C, and platen pressure is 2.9kg/cm
2;
3) to through step 2) surfaces externally and internally of material that synthesizes adopts corona to carry out surface treatment, and to increase the polarity of material, wherein, it is 6000 volts that surface treatment applies voltage;
4) through step 3) the surfaces externally and internally of material adopt reticulate pattern roller coat ester soluble polyurethane adhesive, and carry out precuring process; Wherein, the speed being coated with adhesive is 42m/min, and the temperature of precuring is 110 DEG C;
5) through step 4) material two sides to fit respectively hot sealing layer (3), then cooling after pressure roller sizing, rolling; Wherein, roller temperature is 160 DEG C, and platen pressure is 5kg/cm
2;
6) to through step 5) composite material carry out slaking; Wherein, curing temperature controls at 50 DEG C, and the curing time is 48h.
Four, detect
Adopt different method of testing to test the electromagnet shield effect of prepared flexible electromagnetic protection big envelope composite material, mass area ratio, thickness, hot strength, tearing strength, peel strength, rate of perviousness and surface resistivity etc., the key technical indexes is as follows:
Five, sum up
The screening effectiveness of flexible electromagnetic protection big envelope composite material in 1MHz ~ 18GHz frequency range prepared by the present invention is greater than 60dB, and there is the features such as lightweight, thickness is thin, barrier is high, good mechanical property, can be used for making high-performance field operations electromagnetic protection big envelope.
Claims (7)
1. a flexible electromagnetic protection big envelope composite material, comprise barrier layer (1), substrate layer (2), hot sealing layer (3) and adhesive layer (4), described barrier layer (1) surfaces externally and internally adopts adhesive layer (4) respectively to paste one deck substrate layer (2), the outer surface of two-layer substrate layer (2) adopts adhesive layer (4) to paste one deck hot sealing layer (3) respectively, it is characterized in that:
Described barrier layer (1) adopts plastic-aluminum combined film, is fitted tightly extrude compacting and form by aluminium foil and CPP film;
Described substrate layer (2) adopts chemical plating conductive fabric, carries out Electroless Plating Ni form by dacron;
Described hot sealing layer (3) adopts carbon black modified antistatic PE film;
Described adhesive layer (4) adopts ester soluble polyurethane adhesive.
2. one according to claim 1 flexible electromagnetic protection big envelope composite material, is characterized in that, the aluminum foil thickness of described plastic-aluminum combined film is 5 ~ 20 μm, and plastic-aluminum combined overall film thickness is 0.07 ~ 0.15mm.
3. one according to claim 1 flexible electromagnetic protection big envelope composite material, is characterized in that, the thickness of described carbon black modified antistatic PE film is 0.05 ~ 0.13mm.
4. one according to claim 1 flexible electromagnetic protection big envelope composite material, it is characterized in that, the recipe ingredient PEPA of described ester soluble polyurethane adhesive, chain extender, MDI, ethyl acetate mass ratio are 100: 3 ~ 6: 18 ~ 25: 0.6 ~ 1.
5. the preparation method of a kind of flexible electromagnetic protection big envelope composite material according to claim 1, is characterized in that, mainly comprise the following steps:
1) reticulate pattern roller coat ester soluble polyurethane adhesive is adopted respectively at the surfaces externally and internally of barrier layer (1), and by adhesive precuring on barrier layer (1);
2) through step 1) barrier layer (1) two sides to fit respectively substrate layer (2), then cooling after pressure roller sizing, rolling; Wherein, roller temperature is 160 DEG C ~ 180 DEG C;
3) to through step 2) surfaces externally and internally of material that synthesizes adopts corona to carry out surface treatment, to increase the polarity of material;
4) through step 3) the surfaces externally and internally of material adopt reticulate pattern roller coat ester soluble polyurethane adhesive, and carry out precuring process;
5) through step 4) material two sides to fit respectively hot sealing layer (3), then cooling after pressure roller sizing, rolling; Wherein, roller temperature is 150 DEG C ~ 170 DEG C;
6) to through step 5) composite material carry out slaking; Wherein, curing temperature controls at 40 ~ 60 DEG C, and the curing time is 36 ~ 48h.
6. the preparation method of a kind of flexible electromagnetic protection big envelope composite material according to claim 5, is characterized in that, step 1) in be coated with the speed of adhesive be 30 ± 3m/min, the temperature of precuring is 120 DEG C ~ 130 DEG C; Step 4) in be coated with the speed of adhesive be 40 ± 3m/min, the temperature of precuring is 110 DEG C ~ 120 DEG C.
7. the preparation method of a kind of flexible electromagnetic protection big envelope composite material according to claim 5, is characterized in that, step 2) in sizing platen pressure be 3 ± 0.1kg/cm
2; Step 5) in sizing platen pressure be 5 ± 0.1kg/cm
2.
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Cited By (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 |
| CN111223589A (en) * | 2019-05-07 | 2020-06-02 | 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 (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020034912A1 (en) * | 1999-12-21 | 2002-03-21 | The Procter & Gamble Company | Applications for laminate web |
| 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 |
-
2015
- 2015-01-12 CN CN201510014480.1A patent/CN104602503B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020034912A1 (en) * | 1999-12-21 | 2002-03-21 | The Procter & Gamble Company | Applications for laminate web |
| 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 |
Cited By (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 |
| CN111223589A (en) * | 2019-05-07 | 2020-06-02 | 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 |
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