CN109177384A - A kind of electromagnetic shielding fiber cloth - Google Patents

A kind of electromagnetic shielding fiber cloth Download PDF

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Publication number
CN109177384A
CN109177384A CN201810886805.9A CN201810886805A CN109177384A CN 109177384 A CN109177384 A CN 109177384A CN 201810886805 A CN201810886805 A CN 201810886805A CN 109177384 A CN109177384 A CN 109177384A
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CN
China
Prior art keywords
particle
electromagnetic shielding
fiber cloth
agent
polyester fiber
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Pending
Application number
CN201810886805.9A
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Chinese (zh)
Inventor
潘荣德
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Wuzhou Xing Neng Agriculture Science And Technology Co Ltd
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Wuzhou Xing Neng Agriculture Science And Technology Co Ltd
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Priority to CN201810886805.9A priority Critical patent/CN109177384A/en
Publication of CN109177384A publication Critical patent/CN109177384A/en
Pending legal-status Critical Current

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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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • 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
    • B32B27/02—Layered products comprising a layer of synthetic resin in the form of fibres or filaments
    • 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
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • 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
    • 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
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • 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
    • 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
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0073—Shielding materials
    • H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
    • H05K9/0088—Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising a plurality of shielding layers; combining different shielding material structure
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester fibres
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres
    • 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
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10—Inorganic particles
    • 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
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10—Inorganic particles
    • B32B2264/102—Oxide or hydroxide
    • 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
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/12—Mixture of at least two particles made of different materials
    • 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
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/558—Impact strength, toughness
    • 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

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Abstract

This application involves a kind of electromagnetic shielding fiber cloths, including at least one layer of glass fabric, at least one layer of polyester fiber cloth, wherein glass fabric and polyester fiber cloth are arranged in alternative stacked；The polyester fiber cloth is woven by polyester fiber, and the polyester fiber prepares compound polyester master particle first, above-mentioned polyester fiber is then prepared through melt spinning by addition antibacterial agent, electromagnetic shielding agent and bonding agent；The antibacterial agent includes CuO particle and TiO2At least one of particle, ZnO particle and MgO particle particle；The electromagnetic shielding agent is Cu- pearl powder core-shell structure particle, and the core-shell structure particle is using pearl powder as nuclear structure, and outside coats one layer of Cu film；The bonding agent is made of CuO nano particle and carbon nanotube.

Description

A kind of electromagnetic shielding fiber cloth
Technical field
This application involves electromagnetic shielding fibre technology field more particularly to a kind of electromagnetic shielding fiber cloths.
Background technique
With the rapid development of science and technology and electronic information industry, it is raw that various electronics, electrical equipment have spread people Living and work every field also produces a kind of new society while high-tech equipment brings people's life, work convenience It can endanger, i.e. electromagnetic radiation pollution.
Equally, electromagnetic radiation has immeasurable influence to electronic product.With the micromation of electronic product, integrate Change, lightweight and digitized development, cause electronic product used in everyday be easy to by internal and external electromagnetic wave interference and There is the problems such as malfunction, image obstacle and voice disorder, civil aviaton's navigation fault and computer control can be generated if influencing seriously The events such as production line processed, lathe be out of control.
Therefore it needs to take necessary measure to eliminate or reduce electromagnetic radiation, most effective is exactly the electricity to generation Magnetic radiation carries out electromagnetic wave shielding.
Traditional electromagnetic shielding material is mainly metal or metal mesh, has high density, at high cost, installation and using multiple The defects of miscellaneous, poor for applicability, limits its extensive use in electromagnetic shielding material.
Summary of the invention
The present invention is intended to provide a kind of electromagnetic shielding fiber cloth, one of set forth above at least to solve the problems, such as.
Provide a kind of electromagnetic shielding fiber cloth in the embodiment of the present invention, including at least one layer of glass fabric, at least One layer of polyester fiber cloth, wherein glass fabric and polyester fiber cloth are arranged in alternative stacked；
The polyester fiber cloth is woven by polyester fiber, and the polyester fiber passes through addition antibacterial agent, electromagnetic screen Agent and bonding agent are covered, prepares compound polyester master particle first, above-mentioned polyester fiber is then prepared through melt spinning；
The antibacterial agent includes CuO particle and TiO2At least one of particle, ZnO particle and MgO particle particle；
The electromagnetic shielding agent is Cu- pearl powder core-shell structure particle, and the core-shell structure particle is using pearl powder as core Structure, outside coat one layer of Cu film；
The bonding agent is made of CuO nano particle and carbon nanotube.
Preferably, the glass fabric can be alkali-free glass fiber cloth, medium alkali fiber cloth, high alkali glass fibre Cloth, S- glass fabric, quartz fiber cloth, high silica glass cloth or Kevlar.
Preferably, the antibacterial agent includes: CuO particle, ZnO particle, TiO2Particle and MgO particle；Wherein, each substance Mass fraction are as follows: 3 parts of ZnO particle, 7 parts of CuO particle, TiO22 parts and 4 parts of MgO particle of particle.Specifically, in above-mentioned antibacterial agent, The partial size of each substance are as follows: ZnO particle 50nm, CuO particle 100nm, TiO2Particle 200nm and MgO particle 100nm.
Preferably, the preparation method of the polyester fiber:
Firstly, antibacterial agent, electromagnetic shielding agent and bonding agent are pre-processed, additive package is obtained；
It is reacted secondly, additive package is mixed progress esterifying polycondensation with p-phthalic acid, ethylene glycol, catalyst aid, Prepare polyester master particle；
Again, polyester master particle is prepared into polyester fiber；
The technical solution that the embodiment of the present invention provides can include the following benefits:
(1), electromagnetic shielding fiber cloth of the invention includes glass fabric and polyester fiber cloth, and surface density is low, at low cost, Advantages of good shielding performance, flexibility is good, corrosion-resistant strong, easy to install and use, applied widely.
(2), electromagnetic shielding fiber cloth of the invention may include multilayer woven glass fabric, and every layer of glass fabric passes through Structural film adhesive bonding, structure is stronger, and shielding properties is more preferable.
The additional aspect of the application and advantage will be set forth in part in the description, and will partially become from the following description It obtains obviously, or recognized by the practice of the application.It should be understood that above general description and following detailed description are only Be it is exemplary and explanatory, the application can not be limited.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings, but the embodiment in attached drawing is not constituted to any limit of the invention System, for those of ordinary skill in the art, without creative efforts, can also obtain according to the following drawings Other attached drawings.
Fig. 1 is the structural schematic diagram of present invention electromagnetic shielding fiber cloth；
Wherein, 1- glass fabric, 2- polyester fiber cloth.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended The example of device and method being described in detail in claims, some aspects of the invention are consistent.
Embodiments herein is related to a kind of electromagnetic shielding fiber cloth, as shown in connection with fig. 1, including at least one layer of glass fibre Cloth 1, at least one layer of polyester fiber cloth 2, wherein glass fabric 1 and polyester fiber cloth are arranged in alternative stacked.
The polyester fiber cloth is woven by polyester fiber, and the polyester fiber passes through addition antibacterial agent, electromagnetic shielding Agent and bonding agent prepare compound polyester master particle first, and above-mentioned polyester fiber is then prepared through melt spinning.
Polyester fiber is set in glass fabric upper and lower surface by above-mentioned, which has antibacterial, electromagnetic shielding Effect plays good effectiveness in conjunction with glass fabric.
In actual use, electromagnetic shielding fiber cloth may include multilayer woven glass fabric 1, and every layer 1 liang of glass fabric Side is equipped with polyester fiber cloth 2, and adjacent glass fibers cloth 1 is Nian Jie by structural film adhesive with polyester fiber cloth 2.
Preferably, which can be alkali-free glass fiber cloth, medium alkali fiber cloth, high alkali glass fibre Cloth, S- glass fabric, quartz fiber cloth, high silica glass cloth or Kevlar.
Preferably, which is quartz fiber cloth.
Preferably, in above-mentioned polyester fiber, the mass content of raw material is respectively as follows: antibacterial agent 7-14%, electromagnetic shielding agent 9-19%, bonding agent 2-8%, surplus are polyester.
It is highly preferred that the mass content of raw material is respectively as follows: antibacterial agent 11%, electromagnetic shielding in above-mentioned polyester fiber Agent 14%, bonding agent 7%, surplus are polyester.
The polyester fiber is detailed below:
The antibacterial agent includes CuO particle and TiO2At least one of particle, ZnO particle and MgO particle particle.
In a preferred embodiment, which includes: CuO particle, ZnO particle, TiO2Particle and MgO particle； Wherein, the mass fraction of each substance are as follows: 3 parts of ZnO particle, 7 parts of CuO particle, TiO22 parts and 4 parts of MgO particle of particle.Specifically, In above-mentioned antibacterial agent, the partial size of each substance are as follows: ZnO particle 50nm, CuO particle 100nm, TiO2Particle 200nm and MgO particle 100nm。
The electromagnetic shielding agent is Cu- pearl powder core-shell structure particle；
Wherein, specifically, the core-shell structure particle is using pearl powder as nuclear structure, outside coats one layer of Cu film；
Wherein, specifically, the pearl powder partial size is preferably 2 μm；
Under the size, Cu film can be plated in pearl powder surface with self assembly, to form shell knot complete, in homogeneous thickness Structure plays unexpected beneficial effect for the performance of effectiveness.
The bonding agent is made of CuO nano particle and carbon nanotube, in the mixture, carbon nanotube and CuO nanometers The mass ratio of grain is 5:2；The carbon nanotube is preferably single-walled carbon nanotube, using single-walled carbon nanotube, structure can regard as by Single layer flake graphite crimps, and surface energy with higher plays expectation for the combination of above-mentioned antibacterial agent, electromagnetic shielding agent Less than beneficial effect.
Wherein, specifically, the partial size of the CuO nano particle is 50nm.
It is understood that the polyester fiber passes through while adding antibacterial agent, electromagnetic shielding agent and bonding agent, antibacterial agent is for poly- The performance of ester fiber anti-microbial property plays a role, and electromagnetic shielding agent plays work for the performance of polyester fiber electromagnetic shielding action With；Meanwhile have benefited from carbon nanotube, bonding agent on the one hand being combined together above two additive, make its collaboration It plays a role, on the other hand, has benefited from CuO nano particle, it can be with the copper oxide in antibacterial agent, the copper in electromagnetic shielding agent Film constitutes good connection, can guarantee that antibacterial plays a role simultaneously with effectiveness.
In addition, disclosed herein as well is the preparation methods of above-mentioned polyester fiber:
Firstly, antibacterial agent, electromagnetic shielding agent and bonding agent are pre-processed, additive package is obtained；
It is reacted secondly, additive package is mixed progress esterifying polycondensation with p-phthalic acid, ethylene glycol, catalyst aid, Prepare polyester master particle；
Again, polyester master particle is prepared into polyester fiber；
Preferably, described to pre-process antibacterial agent, electromagnetic shielding agent and bonding agent specifically: according to mass ratio, first Antibacterial agent is uniformly mixed with bonding agent, after wet grinding, electromagnetic shielding agent is added, is then placed in Muffle furnace and carries out 480 DEG C calcining 5h, obtains the additive package after cooling down.In view of the Cu- pearl powder of electromagnetic shielding agent is core-shell structure grain Antibacterial agent is mixed with bonding agent first, is ground by son, then adds electromagnetic shielding agent again, and core-shell structure can be risen in this way To protective effect, and then by calcining at 480 DEG C, at such a temperature, antibacterial agent, electromagnetic shielding agent and bonding agent can be tied closely It closes, to form additive package, due to synergistic effect, which can play the function of antibacterial and electromagnetic shielding simultaneously Effect.
Preferably, during preparing additive package, in the calcination process, heating rate is 2 DEG C/min, rate of temperature fall For 1.5 DEG C/min.
The specific preparation process of the polyester fiber is as follows:
Embodiment 1
Step 1, preparation Cu- pearl powder core-shell structure particle
Firstly, pearl powder is cleaned, it is dry；
Then take 100g pearl powder be added to 3000ml, 5% mercaptopropyi trimethoxy silane solution in, be then added The CaCl of 20ml, 0.2mol/L2Solution, flow back 6h at 60 DEG C, after cooling, clean up, obtains modified pearl powder；
200ml glucose reducing solution is taken, 12g polyvinylpyrrolidone is added thereto, adds above-mentioned modified pearl powder 8g, high-speed stirred 30min, then copper ammon solution 150ml is slowly added dropwise, adjusting pH value is 12.7, is sufficiently stirred, until having reacted Entirely, reaction product is cleaned by ultrasonic 3 times with deionized water, and then 90 DEG C of vacuum drying 2h, obtain Cu- pearl powder core-shell structure grain Son；
Step 2 prepares additive package
According to mass ratio, antibacterial agent is uniformly mixed first with bonding agent, after wet grinding, electromagnetic shielding is added Agent is then placed in 480 DEG C of calcining 5h of progress in Muffle furnace, obtains the additive package after cooling down；
Step 3 prepares polyester master particle
It include additive package, p-phthalic acid, ethylene glycol, catalyst aid in polyester master particle, wherein smart terephthaldehyde Acid is 98:11:1 with the quality and additive package of ethylene glycol, the mass ratio of catalyst aid, and catalyst aid is antimony oxide； The molar ratio of p-phthalic acid and ethylene glycol is 1:1.3；
Polyester master particle is ultrasonic at room temperature after stirring the preparation method comprises the following steps: firstly, additive package and ethylene glycol are mixed 5h obtains mixed liquor；Then mixed liquor and p-phthalic acid, catalyst aid are esterified, polymerize, obtains polyester master particle, Wherein, esterification temperature is 280 DEG C, pressure 400kPa, polycondensation reaction is carried out when esterification yield reaches greater than 93.5%, condensation temperature is 300 DEG C, it is evacuated to 50MPa, when polycondensation to inherent viscosity is 0.65, discharging, blank；
Step 4 prepares polyester preoriented yarn
Polyester master particle is melted, filter is then fed into and is filtered, after metering, into spinning pack, what will be sprayed Tow through cooling, oil, preoriented yarn is wound into after deflector roll, wherein spinning temperature be 290 DEG C, spinning speed 3200m/ min；
Step 5, polyester fiber is prepared
Polyester preoriented yarn can be prepared into polyester fiber after a roller, hot tank, two rollers, scroll tube, winding, wherein drawing-off Speed is 500m/min, and draw ratio 3.2, a roll temperature is 94 DEG C, and two roll temperatures are 140 DEG C.
In the polyester fiber of the present embodiment, the mass content of raw material is respectively as follows: antibacterial agent 11%, electromagnetic shielding agent 14%, bonding agent 7%, surplus are polyester.
The antibacterial agent includes: CuO particle, ZnO particle, TiO2Particle and MgO particle.
Polyester fiber and glass fabric 1 prepared by the embodiment are prepared into the electromagnetic shielding fiber cloth, to it Carry out electromagnetic shielding test:
It obtains electromagnetic shielding fiber cloth to scan in the range of 1~18GHz, tests its reflectivity, occur at 6.7GHz Peak-peak, reflectivity reach -34.5dB, and electromagnetic wave shielding reaches 99.9% or more.
Embodiment 2
The preparation method is the same as that of Example 1 for polyester fiber, the difference is that:
In the polyester fiber of the present embodiment, the mass content of raw material be respectively as follows: antibacterial agent 7%, electromagnetic shielding agent 9%, Bonding agent 2%, surplus are polyester.
The antibacterial agent includes: CuO particle, ZnO particle and MgO particle.
Polyester fiber and glass fabric 1 prepared by the embodiment are prepared into the electromagnetic shielding fiber cloth, to it Carry out electromagnetic shielding test:
It obtains electromagnetic shielding fiber cloth to scan in the range of 1~18GHz, tests its reflectivity, occur at 5.8GHz Peak-peak, reflectivity reach -31.6dB, and electromagnetic wave shielding reaches 99.9% or more.
Embodiment 3
The preparation method is the same as that of Example 1 for polyester fiber, the difference is that:
In the polyester fiber of the present embodiment, the mass content of raw material is respectively as follows: antibacterial agent 14%, electromagnetic shielding agent 19%, bonding agent 8%, surplus are polyester.
The antibacterial agent includes: CuO particle, MgO particle.
Polyester fiber and glass fabric 1 prepared by the embodiment are prepared into the electromagnetic shielding fiber cloth, to it Carry out electromagnetic shielding test:
It obtains electromagnetic shielding fiber cloth to scan in the range of 1~18GHz, tests its reflectivity, occur at 10.6GHz Peak-peak, reflectivity reach -32.7dB, and electromagnetic wave shielding reaches 99.9% or more.
Embodiment 4
The preparation method is the same as that of Example 1 for polyester fiber, the difference is that:
In the polyester fiber of the present embodiment, the mass content of raw material is respectively as follows: antibacterial agent 11%, electromagnetic shielding agent 14%, bonding agent 7%, surplus are polyester.
The antibacterial agent includes: CuO particle, TiO2Particle.
Polyester fiber and glass fabric 1 prepared by the embodiment are prepared into the electromagnetic shielding fiber cloth, to it Carry out electromagnetic shielding test:
It obtains electromagnetic shielding fiber cloth to scan in the range of 1~18GHz, tests its reflectivity, occur at 13.8GHz Peak-peak, reflectivity reach -31.2dB, and electromagnetic wave shielding reaches 99.9% or more.
Polyester fiber prepared by embodiment 1-4 is denoted as No. 1, No. 2, No. 3, No. 4 respectively, No. 5 are conventional polyester fiber, Then Escherichia coli culture vessel is respectively prepared in No. 1-5 polyester fiber, the big of identical bacterium colony is cultivated in the culture vessel Enterobacteria, and Escherichia coli Growth situation is recorded, it is as follows:
1 day 2 days 3 days 4 days 5 days 6 days 7 days 8 days 9 days
No. 1 It does not grow It does not grow It does not grow It does not grow It does not grow It does not grow It does not grow It does not grow It does not grow
No. 2 It does not grow It does not grow It does not grow It does not grow It does not grow It does not grow It does not grow It is unobvious 1 bacterium colony
No. 3 It does not grow It does not grow It does not grow It does not grow It does not grow It does not grow 1 bacterium colony 2 bacterium colonies 2 bacterium colonies
No. 4 It does not grow It does not grow It does not grow It does not grow It does not grow It does not grow 1 bacterium colony 1 bacterium colony 2 bacterium colonies
No. 5 It does not grow 2 bacterium colonies More bacterium colonies It is vigorous It is vigorous It is vigorous It is vigorous It is vigorous It is vigorous
By the test of upper table nature bacterium colony, it can be seen that, the polyester fiber of the application can effectively inhibit the growth of bacterium colony, With stronger fungistatic effect.
The foregoing is merely preferred modes of the invention, are not intended to limit the invention, all in spirit and original of the invention Within then, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of electromagnetic shielding fiber cloth, which is characterized in that including at least one layer of glass fabric, at least one layer of polyester fiber Cloth, wherein glass fabric and polyester fiber cloth are arranged in alternative stacked；
The polyester fiber cloth is woven by polyester fiber, and the polyester fiber passes through addition antibacterial agent, electromagnetic shielding agent And bonding agent, compound polyester master particle is prepared first, and above-mentioned polyester fiber is then prepared through melt spinning；
The antibacterial agent includes CuO particle and TiO2At least one of particle, ZnO particle and MgO particle particle；
The electromagnetic shielding agent be Cu- pearl powder core-shell structure particle, the core-shell structure particle be using pearl powder as nuclear structure, Outside coats one layer of Cu film；
The bonding agent is made of CuO nano particle and carbon nanotube.
2. a kind of electromagnetic shielding fiber cloth according to claim 1, which is characterized in that the electromagnetic shielding fiber cloth can be with Including multilayer woven glass fabric, every layer of glass fabric two sides are equipped with polyester fiber cloth, and adjacent glass fibers cloth and polyester are fine Wei Bu is bonded by structural film adhesive.
3. a kind of electromagnetic shielding fiber cloth according to claim 1, which is characterized in that the glass fabric can be nothing Alkali containing glass fibre cloth, medium alkali fiber cloth, high alkali glass fibre cloth, S- glass fabric, quartz fiber cloth, vagcor Fiber cloth or Kevlar.
4. a kind of electromagnetic shielding fiber cloth according to claim 3, which is characterized in that the glass fabric is that quartz is fine Wei Bu.
5. a kind of electromagnetic shielding fiber cloth according to claim 1, which is characterized in that in the polyester fiber, raw material Mass content be respectively as follows: antibacterial agent 7-14%, electromagnetic shielding agent 9-19%, bonding agent 2-8%, surplus is polyester.
6. a kind of electromagnetic shielding fiber cloth according to claim 5, which is characterized in that in the polyester fiber, raw material Mass content be respectively as follows: antibacterial agent 11%, electromagnetic shielding agent 14%, bonding agent 7%, surplus is polyester fiber.
7. a kind of electromagnetic shielding fiber cloth according to claim 1, which is characterized in that the antibacterial agent includes: CuO Son, ZnO particle, TiO2Particle and MgO particle；Wherein, the mass fraction of each substance are as follows: 3 parts of ZnO particle, 7 parts of CuO particle, TiO22 parts and 4 parts of MgO particle of particle.Specifically, in above-mentioned antibacterial agent, the partial size of each substance are as follows: 50nm, CuO, ZnO particle Sub- 100nm, TiO2Particle 200nm and MgO particle 100nm.
8. a kind of electromagnetic shielding fiber cloth according to claim 7, which is characterized in that in electromagnetic shielding agent, the pearl Powder diameter is 2 μm.
9. a kind of electromagnetic shielding fiber cloth according to claim 1, which is characterized in that the preparation side of the polyester fiber Method:
Firstly, antibacterial agent, electromagnetic shielding agent and bonding agent are pre-processed, additive package is obtained；Secondly, by additive package with P-phthalic acid, ethylene glycol, catalyst aid mixing carry out esterifying polycondensation reaction, prepare polyester master particle；Again, by polyester master particle It is prepared into polyester fiber.
10. a kind of electromagnetic shielding fiber cloth according to claim 9, which is characterized in that described by antibacterial agent, electromagnetic shielding Agent and bonding agent pretreatment specifically: according to mass ratio, be first uniformly mixed antibacterial agent with bonding agent, through wet grinding Afterwards, electromagnetic shielding agent is added, is then placed in 480 DEG C of calcining 5h of progress in Muffle furnace, the mixing addition is obtained after cooling down Agent；
During preparing additive package, in the calcination process, heating rate be 2 DEG C/min, rate of temperature fall be 1.5 DEG C/ min。
CN201810886805.9A 2018-08-06 2018-08-06 A kind of electromagnetic shielding fiber cloth Pending CN109177384A (en)

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Application publication date: 20190111