CN104861753B - A kind of bituminous epoxy coating with electromagnetic wave absorption function and preparation method thereof - Google Patents
A kind of bituminous epoxy coating with electromagnetic wave absorption function and preparation method thereof Download PDFInfo
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- CN104861753B CN104861753B CN201510236544.2A CN201510236544A CN104861753B CN 104861753 B CN104861753 B CN 104861753B CN 201510236544 A CN201510236544 A CN 201510236544A CN 104861753 B CN104861753 B CN 104861753B
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Abstract
The invention provides a kind of bituminous epoxy coating with electromagnetic wave absorption function and its preparation and application.A kind of bituminous epoxy coating with electromagnetic wave absorption function, is made up of the part of A, B, C tri-；The part A includes the component of following weight portion：100 parts of pitch；15 ~ 100 parts of asphalt flux；10 ~ 50 parts of bulking agent；5 ~ 50 parts of curing agent；The part B includes the component of following weight portion：30 ~ 100 parts of epoxy resin；5 ~ 100 parts of epoxy resin diluent；The C portion includes the component of following weight portion：Modified 500 ~ 5000 parts of soft magnetic powder.Absorption maximum of the coating on 2 ~ 20 GHz frequency bands is 30 dB.Its application method is：The coating can be directly coated on the surface of the part that need to construct by the thickness of 0.2 ~ 30 mm, after solidifying 0.5 ~ 120 hor at room temperature ~ 80 DEG C；Also the sheet material prefabricated component that thickness is 0.5 ~ 40 mm can be prepared into, after 0.5 ~ 120 hor is solidified at room temperature ~ 80 DEG C, be pasted and the article surface that need to be constructed using adhesive.
Description
Technical field
The present invention relates to new material technology field, more particularly to a kind of mixing, construction can be stirred at room temperature has
The bituminous epoxy coating and its preparation and application of electromagnetic wave absorption function.
Background technology
In recent years, the fast development of wireless communication technology causes more serious electromagnetic radiation pollution to environment, not only
Cause substantial amounts of electromagnetic interference, destroy normal electromagnetic system, and the serious harm mankind's is healthy.Electromagnetic radiation pollution
The fourth-largest generally acknowledged environmental pollution after atmosphere pollution, water pollution and noise pollution is turned into, it is seen then that high-performance wave-absorbing material
The research and development of material have urgent demand in the improvement of electromagnetic environment and field of electromagnetic compatibility.
A kind of broadband multi-layer structured wave absorbing composite material and its preparation side are disclosed in the B of patent CN 101434134
Method, it is characterised in that：Including surface layer, sandwich of layers and the part of bottom three；Surface layer includes carbonyl iron dust, polymer and glass fibre
Cloth, its quality proportioning is：Carbonyl iron dust 20~50%, polymer 30~48%, glass fabric 20~32%；Sandwich of layers includes
CNT, polymer and glass fabric, its quality proportioning is：CNT 2~6%, polymer 56.4~58.8%, glass
Glass fiber cloth 37.6~39.2%；Bottom includes carbonyl iron dust, polymer, glass fabric, and its quality proportioning is：Carbonyl iron dust
50~80%, polymer 12~30%, glass fabric 8~20%.
A kind of conductive polymer wave-absorbing material is disclosed in the B of patent CN 101585959.The material is by poly- (3,4 dioxies
Ethyl) organic binder bond such as thiophene (PEDOT) microballoon and epoxy resin or polyurethane composition, wherein conductive polymer wave-absorbing material
In conductive polymer poly (3,4 dioxoethyl) thiophene microballoon weight/mass percentage composition be 20~80%.
A kind of carbon micro-tube epoxy resin wave-absorbing composite material and its preparation are disclosed in the B of patent CN 101817971
Method, it is made up of carbon micron tube and epoxide-resin glue；Its preparation method is to prepare carbon micron tube with urea and ethylene glycol；By double
Phenol A types epoxy resin, acetone and diethylenetriamine prepare epoxide-resin glue；Carbon micron tube is added in epoxide-resin glue again,
Compacting obtains composite in being stirring evenly and then adding into mould.
A kind of epoxy resin composite wave-absorbing material and preparation method thereof is disclosed in the B of patent CN 102504495, the material
Material includes epoxy resin, the curing agent of 50~100 parts by weight, the magnetic fillers of 3~10 parts by weight, 2 of 100 parts by weight
The conductive filler of the semiconductor fills of~6 parts by weight and 2~5 parts by weight；The preparation method be by the magnetic fillers,
Semiconductor fills, conductive filler are well mixed after adding the thinning epoxy resin of heating, add curing agent to be solidified.
A kind of hydrophilic modified paint of absorbable frequency electromagnetic waves is disclosed in the B of patent CN 102559021, it is divided into
Subbing and investment precoat, by dehydration raw lacquer, industrial tung oil, aqueous alkide resin, micron graphite powder, hydrophilic E-12 epoxies
The plurality of raw materials such as resin, oxide powder and zinc, lithia powder, triethylene tetramine, industrial ethanedioic acid are formulated.
It is an object of the invention to provide a kind of bituminous epoxy coating with electromagnetic wave absorption function and preparation method thereof.
A kind of bituminous epoxy coating with electromagnetic wave absorption function that the present invention is provided, is made up of the part of A, B, C tri-；The part A
Component including following weight portion：100 parts of pitch；15~100 parts of asphalt flux；10~50 parts of bulking agent；Curing agent 5~50
Part；The part B includes the component of following weight portion：30~100 parts of epoxy resin；15~100 parts of epoxy resin diluent；Institute
State component of the C portion including following weight portion：Modified 500~5000 parts of soft magnetic powder.The coating is on 2~20GHz frequency bands
Absorption maximum be -30dB.Its application method is：The coating directly can be coated on the portion that need to construct by the thickness of 0.2~30mm
The surface of part, after solidifying 0.5~120hor at room temperature~80 DEG C；Also it is prepared into the sheet material that thickness is 0.5~40mm pre-
Product, after 0.5~120hor is solidified at room temperature~80 DEG C, is pasted and the article surface that need to be constructed using adhesive.
The content of the invention
Object of the present invention is to provide a kind of bituminous epoxy coating with electromagnetic wave absorption function and its preparation side
Method and application.
To achieve the above object, the technical solution used in the present invention is：A kind of epoxy with electromagnetic wave absorption function
Bituminous coating, it is characterised in that be made up of the part of A, B, C tri-；
The part A includes the component of following weight portion：
The part B includes the component of following weight portion：
30~100 parts of epoxy resin；
5~100 parts of epoxy resin diluent；
The C portion includes the component of following weight portion：
Modified 500~5000 parts of soft magnetic powder；
Wherein, the weight point in part A, part B and C portion composition is on the basis of pitch weight portion.
By above-mentioned technical proposal, the asphalt flux be styrene, methyl methacrylate, EMA,
Propyl methacrylate, butyl methacrylate, 2-Propenoic acid, 2-methyl-, octyl ester, EHMA, glycidyl
In propyl ester, dimethylaminoethyl acrylate methyl ammonia ethyl ester, hexadecyl metrhacrylate, octadecyl methacrylate and their polymer
At least one, by any proportioning mixing during various mixing.
By above-mentioned technical proposal, the bulking agent is epoxidized soybean oil, epoxy stearic acid, epoxy methyl stearate, epoxy
Ethyl stearate, epoxy stearic acid propyl ester, epoxy butyl stearate, epoxy stearic acid pentyl ester, the own ester of epoxy stearic acid, epoxy are hard
At least one in ester heptyl heptylate, epoxy octyl stearate, PEO stearic acid, it is mixed by any proportioning during various mixing
Close.
By above-mentioned technical proposal, the curing agent is fatty amines curing agent, alicyclic ring amine curing agent, aromatic amine solidification
At least one in agent, polyamide-based curing agent, by any proportioning mixing during various mixing.
By above-mentioned technical proposal, the epoxy resin is bisphenol A type epoxy resin, bisphenol f type epoxy resin, bisphenol S type
At least one in epoxy resin, bisphenol-A D-ring oxygen tree fat, resorcinol type epoxy, it is mixed by any proportioning during various mixing
Close.
By above-mentioned technical proposal, the epoxy resin diluent be ethylene glycol diglycidylether, phenyl glycidyl ether,
PVOH diglycidyl ether, polypropylene glycol diglycidyl ether, BDDE, 1,6- hexylene glycols two contract
Water glycerin ether, trimethylolpropane triglycidyl ether, glycerin triglycidyl ether, trihydroxymethylpropanyltri diglycidyl ether
In at least one, during various mixing by it is any proportioning mixing.
By above-mentioned technical proposal, described modified soft magnetic powder is carbonyl iron dust, iron-nickel alloy, the iron of platelet particle morphology
At least one in cobalt alloy, sendust, iron sial evanohm and ferrite, by any proportioning mixing during various mixing,
5~50 μm of particle diameter, particle aspect ratio 30~100；
The method of modifying (preparation method of the soft magnetic powder that is modified) of the soft magnetic powder, comprises the following steps：
A) soft magnetic powder is obtained into flakelike powder through mechanical ball mill and annealing heat-treats；
The temperature of the annealing heat-treats in the step a) is 350~600 DEG C, and heat treatment time is 1-8hor；Mechanical ball
It is 6~18hor to consume time；
B) soft magnetic powder is pressed：The mass ratio of absolute ethyl alcohol is 1000：100-500, will exist through the soft magnetic powder of above-mentioned treatment
Poured into mixer after ultrasonic disperse in absolute ethyl alcohol and stirred, obtain soft magnetic powder mixed liquor；By soft magnetic powder：Silane idol
Connection agent：Deionized water：The mass ratio of absolute ethyl alcohol is 1000：3-50：10-50：100-500, chooses silane coupler, deionization
Water and absolute ethyl alcohol, silane coupler, deionized water and absolute ethyl alcohol are mixed, and after stirring, then mixed liquor are dropwise added
Enter in the mixer equipped with soft magnetic powder mixed liquor and stir, finally use absolute ethanol washing, filtering, dry, that is, obtain
Soft magnetic powder after coupling processing；
C) it is 100 to press epoxy acrylate with the mass ratio of ultraviolet curable agent：2-10, by ultraviolet curable agent and epoxy
Crylic acid ester mixture, obtains the epoxy acrylic ester solution added with ultraviolet curable agent；Described ultraviolet curable agent is benzene idol
Relation by marriage and its derivative, benzil ketals derivative, Dialkoxy acetophenones, an amine alkyl phenones, acyl group phosphorous oxides, aryl mistake
At least one in oxidative esterification compound, benzoyl formiate, by any proportioning mixing during various mixing；
Soft magnetic powder as described in step a) is with the mass ratio of the epoxy acrylic ester solution added with ultraviolet curable agent
1000：100-1000, chooses the epoxy acrylic ester solution added with ultraviolet curable agent；After the coupling processing described in step b)
Soft magnetic powder mix with the epoxy acrylic ester solution added with ultraviolet curable agent, after stirring, be placed in vacuum drying chamber
In fully dry, obtain coat epoxy acrylate treatment after soft magnetic powder；
D) by the soft magnetic powder after the cladding epoxy acrylate treatment described in step c) with ultraviolet light polymerization function
It is fluidizing fluid-bed in, fully solidification (time is 5s-60s), after the epoxy acrylate of the cladding after solidify is processed
Soft magnetic powder；
E) by described in step d), the soft magnetic powder soft magnet powder after the epoxy acrylate treatment of the cladding after being solidified
End is sieved through vibratory sieve, after separation obtains the soft magnetic powder sample of 5~50 μm of particle diameter, is placed in fully dry in vacuum drying chamber
It is dry rear standby, obtain modified soft magnetic powder.
By above-mentioned technical proposal, a kind of preparation method of the bituminous epoxy coating with electromagnetic wave absorption function, its
It is characterised by comprising the following steps：
1)) by the component of following weight portion：
Stirring mixes during pitch is added into reactor together with asphalt flux, bulking agent, curing agent, obtains having electricity
The part A of the bituminous epoxy coating of electro-magnetic wave absorption function；
By the component of following weight portion：
30~100 parts of epoxy resin；
5~100 parts of epoxy resin diluent；
Epoxy resin and epoxy resin diluent are added in reactor together and stir mixing, obtain being inhaled with electromagnetic wave
Receive the part B of the bituminous epoxy coating of function；
By the component of following weight portion：
Modified 500~5000 parts of soft magnetic powder, obtains C portion；
Wherein, the weight point in part A, part B and C portion composition is on the basis of pitch weight portion.
2) above-mentioned part A, part B and C portion agitating are mixed, obtains the bituminous epoxy with electromagnetic wave absorption function and apply
Layer.
By above-mentioned technical proposal, the step 1) in agitating incorporation time be respectively 5~120min, agitating mixing temperature is
Room temperature~180 DEG C, step 2) in agitating incorporation time be 5~30min, agitating mixing temperature be room temperature.
By above-mentioned technical proposal, a kind of application of the bituminous epoxy coating with electromagnetic wave absorption function, its feature
It is using one of following two kinds：
1) by the bituminous epoxy coating with electromagnetic wave absorption function, the surface of the part that need to construct directly is coated on, in room
Temperature~80 DEG C at solidify 0.5~120hor；
The coating thickness is 0.2~30mm, more preferably preferably 0.2~20mm, 0.2~10mm；
2) by the bituminous epoxy coating with electromagnetic wave absorption function, sheet material prefabricated component is prepared into, at room temperature~80 DEG C
After 0.5~120hor of solidification, pasted and the article surface that need to be constructed using adhesive；
The thickness of the sheet material prefabricated component is 0.5~40mm, more preferably preferably 0.5~20mm, 0.5~15mm.
In the present invention, by weight, described part A includes 100 parts of pitch, and the present invention is to described pitch kind
Class and source do not have special limitation, species and source using pitch well known to those skilled in the art.In the present invention,
Pitch is present in coating as dispersed phase, and its good viscoplasticity face can increase the pliability of coating, increases the resistance to of coating
Impact, it is to avoid the destruction such as brittle crush, deformation occurs when by external impacts in coating.In the present invention, described pitch
At least one preferably in asphalt, oxidized asphalt, coal tar pitch and lake asphalt, by any proportioning mixing when various；This hair
It is bright there is no special limitation to described asphalt source, using the commercial goods of above-mentioned pitch, such as can be public using shell
Take charge of No. 70 pitches sold.
In the present invention, by weight, described part A includes 15~100 parts of asphalt flux, preferably 15~
60 parts, more preferably 20~40 parts.Described asphalt flux be styrene, methyl methacrylate, EMA,
Propyl methacrylate, butyl methacrylate, 2-Propenoic acid, 2-methyl-, octyl ester, EHMA, glycidyl
In propyl ester, dimethylaminoethyl acrylate methyl ammonia ethyl ester, hexadecyl metrhacrylate, octadecyl methacrylate and their polymer
At least one, by any proportioning mixing when various.Common asphalt material is at room temperature semifluid paste, when in use, must
Need to be heated under strict high-temperature control, its viscosity is reached 1000cp or so could construction application.Pitch in the present invention
Diluent can effectively reduce pitch viscosity at normal temperatures, so as to get bituminous epoxy coating have at room temperature it is preferable
Construction mobility, without external heat during construction, reduces Energy Consumption of Construction, reduces difficulty of construction；Meanwhile, the drip used in the present invention
Blue or green diluent has certain reactivity, without or a small amount of addition initiator in the case of polymerisation life can occur
Into long-chain molecular structure, further optimize the cross-linked network knot of the prepared bituminous epoxy coating with electromagnetic wave absorption function
Structure and mechanical property.That is, the asphalt flux for being used in the present invention can effectively reduce the viscosity of pitch when the initial stage is used,
Increase construction operability, self-crosslinking reaction can occur in the later stage for using, improve the present invention prepare with electromagnetic wave
The structure and mechanical property of the bituminous epoxy coating of absorption function.The present invention is to described bituminous epoxy diluent source without spy
Different limitation, using the commercial goods of above-mentioned asphalt flux, can such as be sold using Tianjin Bo Di Chemical Co., Ltd.s
Technical grade styrene.
In the present invention, by weight, described part A includes 10~50 parts of bulking agent, preferably 15~45 parts,
More preferably 20~40 parts.Described bituminous epoxy bulking agent be epoxidized soybean oil, epoxy stearic acid, epoxy methyl stearate,
Epoxy Ethyl stearate, epoxy stearic acid propyl ester, epoxy butyl stearate, epoxy stearic acid pentyl ester, epoxy stearic acid heptyl ester, ring
At least one in oxygen octyl stearate and PEO stearic acid, by any proportioning mixing when various.The technology of this area
Known in personnel, pitch is non-polar material, and epoxy resin is polar material, due to the difference of molecular polarity therebetween, will
The two is when mixing, incompatible due to thermodynamically, cannot be formed at all with stabilization, the structure of homogeneous phase, and
Causing the material for preparing cannot use, therefore, the compatibility solved between pitch and epoxy resin turns into key.In this hair
In bright, the non-polar carbon chains in described bulking agent strand contained by one end can be effectively compatible with pitch, other end institute
The epoxide group for containing effectively and epoxy resin compatibility can improve matrix pitch and the alternate compatibility of epoxy resin two, carry
The combination property of epoxy bituminous coating high；Simultaneously as containing epoxide group in its strand, it is also possible to handed over curing agent
Connection reaction, further increases the compatibility between pitch and epoxy resin, improves the mechanical strength and stabilization of prepared material
Property.The present invention to described bulking agent source without special limitation, using the commercial goods of above-mentioned bulking agent, such as can be with
The industrial-grade epoxy octyl stearate sold using Wuhan Jin Nuo Chemical Co., Ltd.s.
In the present invention, by weight, described part A includes 5~50 parts of curing agent, preferably 15~45 parts,
More preferably 20~40 parts, most preferably 25~35 parts.Described curing agent is fatty amines curing agent, alicyclic ring amine-type cure
At least one in agent, aromatic amine curing agent and polyamide-based curing agent, by any proportioning mixing when various.In the present invention
In, the molecular chain structure of the blue or green curing agent can form the portal structure of flexibility between pitch and epoxy resin, improve
The mechanical strength and stability of the asphalt material for obtaining, effectively improve the fragility of asphalt material, so as to get with electromagnetism
The bituminous epoxy coating of ripple absorption function has toughness higher；Meanwhile, the curing agent used in the present invention is amine curing agent,
With reactivity higher, reaction can be crosslinked with epoxy resin at relatively low temperatures, in the short period
Form solidification intensity higher.The present invention, without special limitation, can use curing agent to the source of the curing agent
Commercial goods, the polyamide 6 50 that can be such as sold using Shanghai Resin Factory Co., Ltd..
In the present invention, by weight, described part B includes 30~100 parts of epoxy resin.Described asphalt mixtures modified by epoxy resin
Fat is bisphenol A type epoxy resin, bisphenol f type epoxy resin, bisphenol-s epoxy resin, bisphenol-A D-ring oxygen tree fat and isophthalic two
At least one in phenol epoxy resin, preferably bisphenol A type epoxy resin, bisphenol-A D-ring oxygen tree fat and resorcinol asphalt mixtures modified by epoxy resin
At least one in fat, by any proportioning mixing when various.Epoxy resin is commonly called as " all-purpose adhesive ", with excellent mechanical performance,
Insulating properties, decay resistance, low-shrinkage energy and excellent adhesive property.In the present invention, epoxy resin is increasing with pitch
Hold in the presence of agent, formation is with pitch as dispersed phase, insular structure of the epoxy resin as continuous phase.In the present invention, epoxy
Resin primarily serves the effect of following two aspects：One is that, using the excellent adhesive property of epoxy resin, can increase the present invention
The stability of the soft magnetic powder included in the bituminous epoxy coating with electromagnetic wave absorption function for preparing, it is to avoid make coating
During, rolled due to external mechanical, the soft magnetic powder sedimentation that the reason such as soft magnetic powder self gravitation is caused, reunite etc. it is broken
It is bad；Two is that can crosslink curing reaction with bituminous epoxy curing agent using epoxy resin, can be formed with three-dimensional network knot
The characteristics of thermosets of structure, make the coating of preparation for thermosetting, increase the ability that coating resists high temperature, even if higher
Under temperature in use (80-250 DEG C), the stable existence for melting will not also occur, flowing and destroy coating；Painting can also be increased simultaneously
Layer and the adhesion strength of the substrate material surface of required coating construction, will not occur shelling of the coating with matrix material, stripping,
Extend the service life of coating.The present invention originates without special limitation to the epoxy resin, using people in the art
The commercial goods of the epoxy resin of member's accreditation, can such as be sold using Ba Ling petrochemical industry Co., Ltd of SINOPEC
E-51 epoxy resin.
In the present invention, by weight, described part B includes 5~100 parts of epoxy resin diluent, preferably
10~45 parts, more preferably 15~40 parts.Described epoxy resin diluent is sweet ethylene glycol diglycidylether, phenyl glycidyl
Oily ether, PVOH diglycidyl ether, polypropylene glycol diglycidyl ether, BDDE, 1,6- oneself two
The contracting of alcohol diglycidyl ether, trimethylolpropane triglycidyl ether, glycerin triglycidyl ether and trimethylolpropane tris
At least one in water glycerin ether, by any proportioning mixing when various.In the present invention, epoxy resin diluent can not only have
The viscosity of effect reduction epoxy resin, increase construction mobility, and because containing the epoxide group that can be reacted on its strand,
Thus curing cross-linking reaction can occur with epoxy curing agent, and improve the solidification effect of epoxy resin, increase asphalt mixtures modified by epoxy resin
The toughness of fat cured product.That is, the epoxy resin diluent for being used in the present invention can effectively reduce epoxy when the initial stage is used
The viscosity of resin, increases the operability of construction, and self-crosslinking reaction can occur in the later stage for using, and improves prepared by the present invention
The structure and mechanical property of the bituminous epoxy coating with electromagnetic wave absorption function.The present invention originates to described epoxide diluent
There is no special limitation, using the commercial goods of above-mentioned epoxide diluent, such as can be limited using the abundant Sheng chemical industry in Yantai City
632 epoxide diluents that company sells.
In the present invention, by weight, described part A includes 500~5000 parts of modified soft magnetic powder, preferably
1400~5000 parts, more preferably 1600~4500 parts.Described modified soft magnetic powder for platelet particle morphology carbonyl iron dust,
At least one in iron-nickel alloy, ferrocobalt, sendust, iron sial evanohm and ferrite, by arbitrarily matching somebody with somebody when various
Than mixing, 5~50 μm of particle diameter, particle aspect ratio 30~100.In the present invention, the modified soft magnetic powder need to change through following
Method is modified can just use for property, and modified step is：First by soft magnetic powder after 350~600 DEG C of annealing heat-treats, then
After 6~18hor of mechanical ball mill, flakelike powder is obtained；After through the soft magnetic powder of above-mentioned treatment in ultrasonic disperse in absolute ethyl alcohol
Pour into mixer and stir；The mixing of a certain amount of silane coupler, deionized water and absolute ethyl alcohol is weighed, is stirred
Afterwards, then by mixed liquor it is added dropwise to be stirred in the mixer equipped with soft magnetic powder mixed liquor, is finally washed with absolute ethyl alcohol
Wash, filter, drying, that is, obtaining the soft magnetic powder after coupling processing；Again by itself and the epoxy acrylic added with ultraviolet curable agent
Ester solution mixes, and after stirring, is placed in vacuum drying chamber and fully dries；Again by it in the boiling with ultraviolet light polymerization function
Rise in fluid bed, fully solidify；The soft magnetic powder that will finally obtain is sieved through vibratory sieve, and separation obtains 5~50 μm of particle diameter
Soft magnetic powder sample after, be placed in vacuum drying chamber fully dry after it is standby.In the present invention, soft magnetic powder can be realized effectively
Shielding to electromagnetic wave and magnetic field, especially can further improve the absorbing property of material, using mechanical ball mill through stress annealing
After technique flaky process, particle aspect ratio higher is obtained in that again, significantly increase soft magnetic powder shape anisotropy and
Improve its complex dielectric permittivity, complex permeability and natural resonant frequency, possess magnetic conductivity higher, and the wave absorbtion higher having
Energy；By soft magnetic powder through coupling processing after, can be grafted on soft magnetic powder surface generation with reactivity hydroxyl, Ke Yizeng
Plus the compatibility with epoxy resin, it is ensured that material is not in because of the effect of soft magnetic powder own wt when long-time is used
Caused sedimentation, dispersed structure of the stabilization soft magnetic powder in bituminous epoxy, extends the service life of material；Meanwhile, passed through
Epoxy acrylate surface is modified, can in its surface wrap up one layer of epoxy acrylate, to be formed with core shell structure
Modified soft magnetic powder, the shell of outer layer is the epoxy acrylate of solidification, and the core of internal layer is soft magnetic powder, and the structure can avoid soft
Magnetic powder is reunited in the preparation process of coating because of itself part magnetization, while can further increase and epoxy resin
Compatibility, to greatly improve soft magnetic powder dispersing uniformity in the coating.The present invention does not have to the source of the soft magnetic powder
There is special limitation, the commercial goods of the soft magnetic powder approved using those skilled in the art can such as use Shenzhen
The BASF-EW carbonyl iron dusts that Jun Can Electronics Equipment Co., Ltd sells.
The beneficial effects of the invention are as follows：
1) a kind of bituminous epoxy coating with electromagnetic wave absorption function that the present invention is provided, with electro-magnetic wave absorption work(
Energy.
2) a kind of bituminous epoxy coating with electromagnetic wave absorption function that the present invention is provided, is colloidal fluid at normal temperatures
Body.During for small area and special-shaped surface construction, the matrix surface of construction needed for being directly coated on, in solid at room temperature~80 DEG C
Change 0.5~120hor, have the advantages that construction simpler, operability is stronger；During for large area and regular surface construction,
Sheet material prefabricated component can be prepared into, after 0.5~120hor is solidified at room temperature~80 DEG C, be pasted using adhesive and is needed construction
Article surface, it is high with efficiency of construction, be capable of achieving factorial praluction the advantages of.
Brief description of the drawings
Fig. 1 is the microwave-reflection of the bituminous epoxy coating with electromagnetic wave absorption function obtained in the embodiment of the present invention 1
Rate curve map.
Fig. 2 is the microwave-reflection of the bituminous epoxy coating with electromagnetic wave absorption function obtained in the embodiment of the present invention 2
Rate curve map.
Fig. 3 is the microwave-reflection of the bituminous epoxy coating with electromagnetic wave absorption function obtained in the embodiment of the present invention 3
Rate curve map.
Fig. 4 is the microwave-reflection of the bituminous epoxy coating with electromagnetic wave absorption function obtained in the embodiment of the present invention 4
Rate curve map.
Specific embodiment
The performance of the bituminous epoxy coating with electromagnetic wave absorption function that present invention detection is obtained, detailed process is as follows：
The shielding properties of the bituminous epoxy coating with electromagnetic wave absorption function that this technology is obtained is according to standard No.
The standard of SJ20524-1995《The method of testing of Materials ' Shielding Effectiveness》Described in method detected.During test, will prepare
After good part A is well mixed with part B, C portion, pour into tetrafluoroethene it is framed in, manufactured Board after solidification 72hor at room temperature
Material, after sheet material is tailored into standard sample of photo by test request, is tested electro-magnetic wave absorption performance using spectrum analyzer.
In order to further illustrate the present invention, with reference to embodiment the present invention is provided with electromagnetic wave absorption function
Bituminous epoxy coating and preparation method thereof and application method are described in detail, but can not be interpreted as them protecting the present invention
Protect the restriction of scope.
Embodiment 1：
A kind of preparation method of the bituminous epoxy coating with electromagnetic wave absorption function, comprises the following steps：
1) preparation of modified soft magnetic powder：Weigh 1000g carbonyl iron dusts (Jun Can Electronics Equipment Co., Ltd of Shenzhen, under
Together), it is placed in planetary ball mill, after ball milling 12hor, dries, then is placed in 450 DEG C of muffle furnace and carries out inert gas guarantor
It is standby after taking-up is cooled to room temperature after shield heat treatment 1hor；
By 1000g through the carbonyl iron dust of above-mentioned treatment in 500g absolute ethyl alcohols (the Shanghai limited public affairs of Chinese medicines group chemical reagent
Department, analyzes pure, similarly hereinafter) in disperse 30min (power of ultrasound is 250W, similarly hereinafter) in ultrasonic oscillator, fallen after being uniformly dispersed
In entering mixer, and strength mechanical agitation is carried out, obtain carbonyl iron dust mixed liquor；Then 50g silane resin acceptor kh-550s (south is taken
Capital dawn chemical general factory, analyze it is pure, similarly hereinafter), 50g deionized waters and 100g absolute ethyl alcohols mixing, stir 10min, then will mixing
Liquid is added dropwise in the mixer equipped with carbonyl iron dust mixed liquor, persistently stirs 4hor, is finally fully washed with absolute ethyl alcohol
Sample, then filters, last 100 DEG C of vacuum drying 8hor, that is, obtain the iron powder that silane coupler surface was modified；
By through the iron powder of coupling processing and 1000g added with (the Shanghai Ao highland barley industry of ultraviolet curable agent Dialkoxy acetophenones
Epoxy acrylic ester solution (the wooden Chemical Co., Ltd. in Shanghai three, similarly hereinafter) Co., Ltd, similarly hereinafter), after stirring, is placed in 60
DEG C vacuum drying chamber in dry 24hor after, be placed in ultraviolet light polymerization function it is fluidizing fluid-bed in, fully solidification；
The epoxy acrylic ester solution added with ultraviolet curable agent Dialkoxy acetophenones is prepared as：By epoxy third
Olefin(e) acid ester is 100 with the mass ratio of ultraviolet curable agent：5 mixing, stir 10-30min at normal temperatures, and speed of agitator is 30-
120rpm, obtains the epoxy acrylic ester solution added with ultraviolet curable agent；
Iron powder prepared by above-mentioned steps is sieved through vibratory sieve, after separation obtains the sample of 10~30 μm of particle diameter, is put
It is standby after fully being dried in 40 DEG C of vacuum drying chamber, obtain modified soft magnetic powder.
2) preparation of part A：By the component of following weight portion：
Stirring mixes during pitch is added into reactor together with asphalt flux, bulking agent, curing agent, obtains having electricity
The part A of the bituminous epoxy coating of electro-magnetic wave absorption function；
The asphalt flux is styrene.
The bulking agent is epoxidized soybean oil.
The curing agent is fatty amines curing agent.
3) preparation of part B：By the component of following weight portion：
Epoxy resin 300g；
Epoxy resin diluent 50g；
Epoxy resin and epoxy resin diluent are added in reactor together and stir mixing, obtain being inhaled with electromagnetic wave
Receive the part B of the bituminous epoxy coating of function；
The epoxy resin is bisphenol A type epoxy resin.
The epoxy resin diluent is ethylene glycol diglycidylether.
4) the modified soft magnetic powders (i.e. C portion) of 855g are weighed, with 67g part As and 28g part Bs, normal-temperature reaction is added to
20min is stirred in kettle, after being well mixed, is poured into Teflon mold, pour into the sheet material of 1.0mm thickness, it is solid at room temperature
After changing 72hor, that is, obtain the bituminous epoxy coating with electromagnetic wave absorption function.
Fig. 1 is a kind of suction ripple of the bituminous epoxy coating with electromagnetic wave absorption function prepared by the embodiment of the present invention 1
Performance test.From figure 1 it appears that the bituminous epoxy coating with electromagnetic wave absorption function prepared by the present invention is in X (8-
12GHz) and Ku (12-18GHz) wave band has good comprehensive absorbing property, its minimum reachable -13.92dB of reflectivity, in X and
Ku wave band -10dB bandwidth has 8GHz.
Embodiment 2：
A kind of preparation method of the bituminous epoxy coating with electromagnetic wave absorption function, comprises the following steps：
1) preparation of modified soft magnetic powder：1000g carbonyl iron dusts are weighed, is placed in planetary ball mill, after ball milling 12hor,
Dry, then after being placed in 450 DEG C of muffle furnace and carrying out inert gas shielding heat treatment 1hor, after taking-up is cooled to room temperature,
It is standby；
1000g is disperseed into 30min through the carbonyl iron dust of above-mentioned treatment in ultrasonic oscillator in 500g absolute ethyl alcohols, point
Poured into mixer after dissipating uniformly, and carry out strength mechanical agitation, obtain carbonyl iron dust mixed liquor (i.e. soft magnetic powder mixed liquor)；
Then the mixing of 50g silane resin acceptor kh-550s, 50g deionized waters and 100g absolute ethyl alcohols is taken, 10min is stirred, then by mixed liquor
It is added dropwise in the mixer equipped with carbonyl iron dust mixed liquor, persistently stirs 4hor, finally fully washs sample with absolute ethyl alcohol
Product, then filter, last 100 DEG C of vacuum drying 8hor, that is, obtain the iron powder that silane coupler surface was modified；
By through the iron powder of coupling processing and 1000g added with ultraviolet curable agent Dialkoxy acetophenones epoxy acrylate
Solution, after stirring, is placed in after drying 24hor in 60 DEG C of vacuum drying chamber, is placed in the boiling with ultraviolet light polymerization function
Rise in fluid bed, fully solidification obtains iron powder；
Iron powder prepared by above-mentioned steps is sieved through vibratory sieve, after separation obtains the sample of 10~30 μm of particle diameter, is put
It is standby after fully being dried in 40 DEG C of vacuum drying chamber, obtain modified soft magnetic powder.
2) preparation of part A：By the component of following weight portion：
Stirring mixes during pitch is added into reactor together with asphalt flux, bulking agent, curing agent, obtains having electricity
The part A of the bituminous epoxy coating of electro-magnetic wave absorption function；
The asphalt flux is methyl methacrylate.
The bulking agent is epoxy stearic acid.
The curing agent is alicyclic ring amine curing agent.
3) preparation of part B：By the component of following weight portion：
Epoxy resin 500g；
Epoxy resin diluent 500g；
Epoxy resin and epoxy resin diluent are added in reactor together and stir mixing, obtain being inhaled with electromagnetic wave
Receive the part B of the bituminous epoxy coating of function；
The epoxy resin is bisphenol f type epoxy resin.
The epoxy resin diluent is phenyl glycidyl ether.
4) the bituminous epoxy coating C portion with electromagnetic wave absorption function that 950g is prepared by above-mentioned steps is weighed, with 71g
Part A and 30g part Bs, are added in normal-temperature reaction kettle and stir 20min, after being well mixed, pour into Teflon mold, pour
The sheet material of 2.0mm thickness is formed, after solidifying 72hor at room temperature, that is, the bituminous epoxy with electromagnetic wave absorption function is obtained and is applied
Layer.
Fig. 2 is a kind of suction ripple of the bituminous epoxy coating with electromagnetic wave absorption function prepared by the embodiment of the present invention 2
Performance test.From figure 2 it can be seen that the bituminous epoxy coating with electromagnetic wave absorption function prepared by the present invention is in C-band
(4-8GHz) has optimal comprehensive absorbing property, and its minimum reachable -29.14dB of reflectivity, -10dB bandwidth covers whole C ripples
Section.
Embodiment 3：
A kind of preparation method of the bituminous epoxy coating with electromagnetic wave absorption function, comprises the following steps：
1) preparation of modified soft magnetic powder：1000g carbonyl iron dusts are weighed, is placed in planetary ball mill, after ball milling 12hor,
Dry, then after being placed in 450 DEG C of muffle furnace and carrying out inert gas shielding heat treatment 1hor, after taking-up is cooled to room temperature,
It is standby；
1000g is disperseed into 30min through the carbonyl iron dust of above-mentioned treatment in ultrasonic oscillator in 500g absolute ethyl alcohols, point
Poured into mixer after dissipating uniformly, and carry out strength mechanical agitation, obtain carbonyl iron dust mixed liquor；Then 50g is taken silane coupled
Agent KH-550,50g deionized water and 100g absolute ethyl alcohols mix, and stir 10min, then mixed liquor is added dropwise to equipped with carbonyl
In the mixer of iron powder mixed liquor, 4hor is persistently stirred, finally with the abundant washing sample of absolute ethyl alcohol, then filtered, last 100
DEG C vacuum drying 8hor, that is, obtain the iron powder that silane coupler surface was modified；
By through the iron powder of coupling processing and 1000g added with ultraviolet curable agent Dialkoxy acetophenones epoxy acrylate
Solution mixes, and after stirring, is placed in after drying 24hor in 60 DEG C of vacuum drying chamber, is placed in ultraviolet light polymerization function
It is fluidizing fluid-bed in, fully solidification；
Iron powder prepared by above-mentioned steps is sieved through vibratory sieve, after separation obtains the sample of 10~30 μm of particle diameter, is put
It is standby after fully being dried in 40 DEG C of vacuum drying chamber, obtain modified soft magnetic powder.
2) preparation of part A：By the component of following weight portion：
Stirring mixes during pitch is added into reactor together with asphalt flux, bulking agent, curing agent, obtains having electricity
The part A of the bituminous epoxy coating of electro-magnetic wave absorption function；
The asphalt flux is EMA.
The bulking agent is epoxy methyl stearate.
The curing agent is aromatic amine curing agent.
3) preparation of part B：By the component of following weight portion：
Epoxy resin 1000g；
Epoxy resin diluent 1000g；
Epoxy resin and epoxy resin diluent are added in reactor together and stir mixing, obtain being inhaled with electromagnetic wave
Receive the part B of the bituminous epoxy coating of function；
The epoxy resin is bisphenol-s epoxy resin.
The epoxy resin diluent is PVOH diglycidyl ether.
4) the bituminous epoxy coating C portion with electromagnetic wave absorption function that 1000g is prepared by above-mentioned steps is weighed, with
65g part As and 75g part Bs, are added in normal-temperature reaction kettle and stir 20min, after being well mixed, are coated in thick stainless of 2mm
Surface of steel plate, is prepared into 2.0mm thickness sheet material prefabricated components, after solidifying 72hor at room temperature, that is, obtains with electro-magnetic wave absorption work(
The bituminous epoxy coating of energy.
Fig. 3 is a kind of suction ripple of the bituminous epoxy coating with electromagnetic wave absorption function prepared by the embodiment of the present invention 3
Performance test.From figure 3, it can be seen that the bituminous epoxy coating with electromagnetic wave absorption function prepared by the present invention is in S and C ripples
Section has optimal comprehensive absorbing property, its minimum reachable -16.77dB of reflectivity at 4GHz.
Embodiment 4：
A kind of preparation method of the bituminous epoxy coating with electromagnetic wave absorption function, comprises the following steps：
1) preparation of modified soft magnetic powder：1000g carbonyl iron dusts are weighed, is placed in planetary ball mill, after ball milling 12hor,
Dry, then after being placed in 450 DEG C of muffle furnace and carrying out inert gas shielding heat treatment 1hor, after taking-up is cooled to room temperature,
It is standby；
1000g is disperseed into 30min through the carbonyl iron dust of above-mentioned treatment in ultrasonic oscillator in 500g absolute ethyl alcohols, point
Poured into mixer after dissipating uniformly, and carry out strength mechanical agitation, obtain carbonyl iron dust mixed liquor；Then 50g is taken silane coupled
Agent KH-550,50g deionized water and 100g absolute ethyl alcohols mix, and stir 10min, then mixed liquor is added dropwise to equipped with carbonyl
In the mixer of iron powder mixed liquor, 4hor is persistently stirred, finally with the abundant washing sample of absolute ethyl alcohol, then filtered, last 100
DEG C vacuum drying 8hor, that is, obtain the iron powder that silane coupler surface was modified；
By through the iron powder of coupling processing and 1000g added with ultraviolet curable agent Dialkoxy acetophenones epoxy acrylate
Solution mixes, and after stirring, is placed in after drying 24hor in 60 DEG C of vacuum drying chamber, is placed in ultraviolet light polymerization function
It is fluidizing fluid-bed in, fully solidification；
Iron powder prepared by above-mentioned steps is sieved through vibratory sieve, after separation obtains the sample of 10~30 μm of particle diameter, is put
It is standby after fully being dried in 40 DEG C of vacuum drying chamber, obtain modified soft magnetic powder.
2) preparation of part A：By the component of following weight portion：
Stirring mixes during pitch is added into reactor together with asphalt flux, bulking agent, curing agent, obtains having electricity
The part A of the bituminous epoxy coating of electro-magnetic wave absorption function；
The asphalt flux is propyl methacrylate, butyl methacrylate and 2-Propenoic acid, 2-methyl-, octyl ester, and quality is each
Account for 1/3.
The bulking agent is epoxy Ethyl stearate, epoxy stearic acid propyl ester and epoxy butyl stearate, and quality respectively accounts for 1/
3。
The curing agent is alicyclic ring amine curing agent, aromatic amine curing agent, polyamide-based curing agent, and quality respectively accounts for 1/3.
3) preparation of part B：By the component of following weight portion：
Epoxy resin 800g；
Epoxy resin diluent 800g；
Epoxy resin and epoxy resin diluent are added in reactor together and stir mixing, obtain being inhaled with electromagnetic wave
Receive the part B of the bituminous epoxy coating of function；
The epoxy resin is bisphenol-s epoxy resin, bisphenol-A D-ring oxygen tree fat and resorcinol type epoxy, quality
Respectively account for 1/3.
The epoxy resin diluent is polypropylene glycol diglycidyl ether, BDDE, 1,6-
The mixing of hexanediol diglycidyl ether, quality respectively accounts for 1/3.
4) the bituminous epoxy coating C portion with electromagnetic wave absorption function that 1000g is prepared by above-mentioned steps is weighed, with
79g part As and 50g part Bs, are added in normal-temperature reaction kettle and stir 20min, after being well mixed, are coated in thick stainless of 2mm
Surface of steel plate, is prepared into 4.0mm thickness sheet material prefabricated components, after solidifying 72hor at room temperature, that is, obtains with electro-magnetic wave absorption work(
The bituminous epoxy coating of energy.
Fig. 4 is a kind of suction ripple of the bituminous epoxy coating with electromagnetic wave absorption function prepared by the embodiment of the present invention 4
Performance test.Figure 4, it is seen that the bituminous epoxy coating with electromagnetic wave absorption function prepared by the present invention is in S-band
With optimal comprehensive absorbing property, the minimum reachable -12.05dB of reflectivity.
In the present invention, may be inserted into do not mentioned in some above-mentioned steps those skilled in the art accreditation be mixed into other
The step of material.The species and addition of the material being mixed into do not have special limitation, the thing approved using those skilled in the art
Matter.
Each raw material cited by the present invention is (such as：Sendust, iron sial evanohm or ferrite), and the present invention is respectively
The bound of raw material, interval value, and the bound of technological parameter (such as temperature, time), interval value can realize this
Invention, embodiment numerous to list herein.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of bituminous epoxy coating with electromagnetic wave absorption function, it is characterised in that be made up of the part of A, B, C tri-；
The part A includes the component of following weight portion：
100 parts of pitch；
15 ~ 100 parts of asphalt flux；
10 ~ 50 parts of bulking agent；
5 ~ 50 parts of curing agent；
The part B includes the component of following weight portion：
30 ~ 100 parts of epoxy resin；
5 ~ 100 parts of epoxy resin diluent；
The C portion includes the component of following weight portion：
Modified 500 ~ 5000 parts of soft magnetic powder；
Wherein, the weight portion in part A, part B and C portion composition is on the basis of pitch weight portion；
Described modified soft magnetic powder is the carbonyl iron dust of platelet particle morphology, iron-nickel alloy, ferrocobalt, sendust,
At least one in iron sial evanohm and ferrite, by any proportioning mixing during various mixing, 5~50 μm of particle diameter,
Grain aspect ratio 30~100；
The method of modifying of the soft magnetic powder, comprises the following steps：
a）Soft magnetic powder is obtained into flakelike powder through mechanical ball mill and annealing heat-treats；
The step a）In annealing heat-treats temperature be 350 ~ 600 DEG C, heat treatment time be 1-8hr；During mechanical ball mill
Between be 6 ~ 18 hr；
b）By soft magnetic powder：The mass ratio of absolute ethyl alcohol is 1000：100-500, by through the soft magnetic powder of above-mentioned treatment anhydrous
Poured into mixer after ultrasonic disperse in ethanol and stirred, obtain soft magnetic powder mixed liquor；By soft magnetic powder：It is silane coupled
Agent：Deionized water：The mass ratio of absolute ethyl alcohol is 1000：3-50：10-50：100-500, chooses silane coupler, deionized water
And absolute ethyl alcohol, silane coupler, deionized water and absolute ethyl alcohol are mixed, after stirring, then mixed liquor is added dropwise over
Stirred in the mixer equipped with soft magnetic powder mixed liquor, finally use absolute ethanol washing, filtering, dry, that is, obtain idol
Soft magnetic powder after connection treatment；
c）It is 100 by the mass ratio of epoxy acrylate and ultraviolet curable agent：2-10, by ultraviolet curable agent and propylene oxide
Acid esters mixes, and obtains the epoxy acrylic ester solution added with ultraviolet curable agent；Described ultraviolet curable agent be benzoin and
Its derivative, benzil ketals derivative, Dialkoxy acetophenones, an amine alkyl phenones, acyl group phosphorous oxides, aryl peroxidating
At least one in ester compounds, benzoyl formiate, by any proportioning mixing during various mixing；
By step a）Described soft magnetic powder is 1000 with the mass ratio of the epoxy acrylic ester solution added with ultraviolet curable agent：
100-1000, chooses the epoxy acrylic ester solution added with ultraviolet curable agent；By step b）It is soft after described coupling processing
Magnetic powder mixes with the epoxy acrylic ester solution added with ultraviolet curable agent, after stirring, is placed in vacuum drying chamber and fills
Divide drying, obtain coating the soft magnetic powder after epoxy acrylate treatment；
d）By step c）Soft magnetic powder after described cladding epoxy acrylate treatment is in the boiling with ultraviolet light polymerization function
Rise in fluid bed, fully solidify, the soft magnetic powder after the epoxy acrylate treatment of the cladding after being solidified；
e）By step d）Described, the soft magnetic powder soft magnetic powder warp after the epoxy acrylate treatment of the cladding after being solidified
Vibratory sieve is sieved, and after separation obtains the soft magnetic powder sample of 5 ~ 50 μm of particle diameter, is placed in vacuum drying chamber after fully drying
It is standby, obtain modified soft magnetic powder.
2. a kind of bituminous epoxy coating with electromagnetic wave absorption function according to claim 1, it is characterised in that described
Asphalt flux is styrene, methyl methacrylate, EMA, propyl methacrylate, methacrylic acid fourth
Ester, 2-Propenoic acid, 2-methyl-, octyl ester, EHMA, GMA, dimethylaminoethyl acrylate methyl ammonia ethyl ester, first
At least one in base Process Conditions of Cetane Acrylate, octadecyl methacrylate and their polymer, by arbitrarily matching somebody with somebody during various mixing
Than mixing.
3. a kind of bituminous epoxy coating with electromagnetic wave absorption function according to claim 1, it is characterised in that described
Bulking agent is epoxidized soybean oil, epoxystearic acid, methyl epoxy stearate, epoxystearic acid ethyl ester, epoxystearic acid propyl ester, ring
Oxygen butyl stearate, epoxystearic acid pentyl ester, the own ester of epoxystearic acid, epoxystearic acid heptyl ester, octyl epoxy stearate, polycyclic
At least one in oxidative ethane stearic acid, by any proportioning mixing during various mixing.
4. a kind of bituminous epoxy coating with electromagnetic wave absorption function according to claim 1, it is characterised in that described
Curing agent is at least in fatty amines curing agent, alicyclic ring amine curing agent, aromatic amine curing agent, polyamide-based curing agent
Kind, by any proportioning mixing during various mixing.
5. a kind of bituminous epoxy coating with electromagnetic wave absorption function according to claim 1, it is characterised in that described
Epoxy resin be bisphenol A type epoxy resin, bisphenol f type epoxy resin, bisphenol-s epoxy resin, bisphenol-A D-ring oxygen tree fat,
At least one in benzenediol epoxy resin, by any proportioning mixing during various mixing.
6. a kind of bituminous epoxy coating with electromagnetic wave absorption function according to claim 1, it is characterised in that described
Epoxy resin diluent is ethylene glycol diglycidylether, phenyl glycidyl ether, polyethyleneglycol diglycidylether, poly- the third two
Alcohol diglycidyl ether, BDDE, 1,6- hexanediol diglycidyl ethers, trimethylolpropane three contract
At least one in water glycerin ether, glycerin triglycidyl ether, trihydroxymethylpropanyltri diglycidyl ether, presses during various mixing
Any proportioning mixing.
7. a kind of preparation method of the bituminous epoxy coating with electromagnetic wave absorption function as claimed in claim 1, its feature exists
In comprising the following steps：
1）By the component of following weight portion：
100 parts of pitch；
15 ~ 100 parts of asphalt flux；
10 ~ 50 parts of bulking agent；
5 ~ 50 parts of curing agent；
Stirring mixes during pitch is added into reactor together with asphalt flux, bulking agent, curing agent, obtains with electromagnetic wave
The part A of the bituminous epoxy coating of absorption function；
By the component of following weight portion：
30 ~ 100 parts of epoxy resin；
5 ~ 100 parts of epoxy resin diluent；
Epoxy resin and epoxy resin diluent are added in reactor together and stir mixing, obtained with electro-magnetic wave absorption work(
The part B of the bituminous epoxy coating of energy；
By the component of following weight portion：
Modified 500 ~ 5000 parts of soft magnetic powder, obtains C portion；
Wherein, the weight portion in part A, part B and C portion composition is on the basis of pitch weight portion；
2）Above-mentioned part A, part B and C portion agitating are mixed, the bituminous epoxy coating with electromagnetic wave absorption function is obtained.
8. the preparation method of a kind of bituminous epoxy coating with electromagnetic wave absorption function according to claim 7, it is special
Levy and be, the step 1）In agitating incorporation time respectively be 5 ~ 120 min, agitating mixing temperature be room temperature ~ 180 DEG C, step
2）In agitating incorporation time be 5 ~ 30 min, agitating mixing temperature be room temperature.
9. a kind of application of the bituminous epoxy coating with electromagnetic wave absorption function as claimed in claim 1, it is characterised in that adopt
With one of following two kinds：
1）By the bituminous epoxy coating with electromagnetic wave absorption function, the surface of the part that need to construct directly is coated on, in room temperature ~ 80
Solidify 0.5 ~ 120 hr at DEG C；
The coating thickness is 0.2 ~ 30 mm；
2）By the bituminous epoxy coating with electromagnetic wave absorption function, sheet material prefabricated component is prepared into, in solidification at room temperature ~ 80 DEG C
After 0.5 ~ 120 hr, pasted and the article surface that need to be constructed using adhesive；
The thickness of the sheet material prefabricated component is 0.5 ~ 40mm.
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| CN110342856B (en) * | 2019-06-26 | 2021-10-15 | 中国路桥工程有限责任公司 | Pavement material based on image processing |
| CN113563787A (en) * | 2021-08-02 | 2021-10-29 | 江苏瑞沃建设集团有限公司 | Microwave easily-cleaned composite water-based marking for asphalt pavement and preparation method thereof |
| CN113717612B (en) * | 2021-09-29 | 2023-01-20 | 北京环境特性研究所 | Magnetic electromagnetic scattering inhibition coating material and preparation method and application thereof |
| CN113930134B (en) * | 2021-11-30 | 2022-05-06 | 航天科工武汉磁电有限责任公司 | Wave-absorbing coating and preparation method thereof |
| CN114277637B (en) * | 2021-12-30 | 2023-11-24 | 南京兴佑交通科技有限公司 | Special adhesive layer oil for microwave heat control type ultrathin pavement and construction method |
| CN114752090B (en) * | 2022-03-21 | 2024-03-22 | 复旦大学 | Co/PEDOT composite flexible self-supporting film and preparation and application thereof |
| CN116042152A (en) * | 2023-03-15 | 2023-05-02 | 深圳市艺感科技有限公司 | Magnetic composite resin glue |
| CN117165155A (en) * | 2023-10-12 | 2023-12-05 | 安徽新大陆特种涂料有限责任公司 | Preparation method of water-based wave-absorbing paint |
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| DE10024439A1 (en) * | 2000-05-19 | 2001-12-06 | Koppe Franz | Casting or investment material with electromagnetic shielding properties for the production of electronic components |
| TWI357425B (en) * | 2003-09-09 | 2012-02-01 | Laird Technologies Inc | Microwave-absorbing form-in-place paste |
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