CN110512754A - Composite insulation boards and preparation method thereof with three-dimensional structure interface - Google Patents

Composite insulation boards and preparation method thereof with three-dimensional structure interface Download PDF

Info

Publication number
CN110512754A
CN110512754A CN201810489455.2A CN201810489455A CN110512754A CN 110512754 A CN110512754 A CN 110512754A CN 201810489455 A CN201810489455 A CN 201810489455A CN 110512754 A CN110512754 A CN 110512754A
Authority
CN
China
Prior art keywords
dimensional structure
insulation boards
composite insulation
preparation
structure interface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810489455.2A
Other languages
Chinese (zh)
Other versions
CN110512754B (en
Inventor
冀志江
李彬
解帅
王静
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Building Materials Academy CBMA
Original Assignee
China Building Materials Academy CBMA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Building Materials Academy CBMA filed Critical China Building Materials Academy CBMA
Priority to CN201810489455.2A priority Critical patent/CN110512754B/en
Publication of CN110512754A publication Critical patent/CN110512754A/en
Application granted granted Critical
Publication of CN110512754B publication Critical patent/CN110512754B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/78Heat insulating elements
    • E04B1/80Heat insulating elements slab-shaped
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92Protection against other undesired influences or dangers
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00025Aspects relating to the protection of the health, e.g. materials containing special additives to afford skin protection
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00241Physical properties of the materials not provided for elsewhere in C04B2111/00
    • C04B2111/00258Electromagnetic wave absorbing or shielding materials
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00612Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92Protection against other undesired influences or dangers
    • E04B2001/925Protection against harmful electro-magnetic or radio-active radiations, e.g. X-rays

Abstract

The present invention relates to a kind of composite insulation boards and preparation method thereof with three-dimensional structure interface, preparation method includes: to surround insulation board with model framework, and joints cement mortar prepares screed, is smoothed out, hardening demoulding, obtains the composite insulation boards with three-dimensional structure interface;The screed is one or more layers;Wherein, there is regularly arranged three-dimensional structure in at least side plate face of the insulation board;The three-dimensional structure is pyramid, prism or cylinder.The method of the present invention is simple and precision is higher, and thickness strong to electro-magnetic wave absorption is adjustable, can be used as building element and directly uses, can reduce the thickness of construction material and the cost of construction.

Description

Composite insulation boards and preparation method thereof with three-dimensional structure interface
Technical field
The present invention relates to a kind of the field of building materials, more particularly to a kind of composite insulation boards with three-dimensional structure interface And preparation method thereof.
Background technique
With science and technology fast development and electronics, electrical equipment be more and more widely used in communication, industry, The numerous areas such as scientific research, medical treatment and broadcast, the living environment and working environment of the mankind is almost by electronics, electric appliance and communication apparatus It is surrounded, the electromagnetic radiation that these equipment generate when working causes space electromagnetic environment worsening.Electromagnetic radiation pollution is There are the novel pollutions of huge potential hazard as a kind of.Electro-magnetic wave absorption construction material is can to convert or interfere by energy Electromagnetic energy is a kind of functional form building materials of thermal energy by effect etc., can rationally and effectively control the electromagnetic radiation of space Background intensity reduces the harm of electromagnetic radiation.For the electromagnetic pollution problem got worse, exploitation have bandwidth, absorb it is strong, The thin electro-magnetic wave absorption construction material of thickness inhales the Main way of wave building materials research by becoming.
Cement-based material is material most widely used in current building, and cement base electromagnetic absorber research is more early, including Wave absorption concrete and wave-absorbing mortar etc., it is most of to design to be formed by adding wave absorbing agent while carrying out structure.The knot mainly used Structure design method, which mainly has, realizes impedance matching, addition electromagnetic wave transparent material, frequency-selective surfaces etc..The surface shape of gradual change is to realize One of method of impedance matching is usually used in inhaling wave darkroom, and most common includes pyramid, spliting type.MULTILAYER COMPOSITE is to realize resistance Resisting matched common method, most of interface is plane, and how matched number of plies effect more be better, and absorbing property is better, but at This increase.
Summary of the invention
It is a primary object of the present invention to provide a kind of novel composite insulation boards and its system with three-dimensional structure interface Preparation Method, the technical problem to be solved is that the propagation paths for making it change incident electromagnetic wave, being capable of shape between adjacent shapes At reflection and refraction, increases propagation path and increase electromagnetic wave loss, thus more suitable for practical.
The object of the invention to solve the technical problems adopts the following technical solutions to realize.It proposes according to the present invention A kind of composite insulation boards with three-dimensional structure interface preparation method comprising:
Insulation board is surrounded with model framework, joints cement mortar prepares screed, smoothes out, and hardening demoulding is had The composite insulation boards at three-dimensional structure interface;The screed is one or more layers;
Wherein, there is regularly arranged three-dimensional structure in at least side plate face of the insulation board;The three-dimensional knot Structure is pyramid, prism or cylinder.
The object of the invention to solve the technical problems also can be used following technical measures and further realize.
Preferably, the preparation method of a kind of composite insulation boards with three-dimensional structure interface above-mentioned, wherein described three Dimension structure is pyramid, and the bottom surface of pyramid is bonded with plate face, and the bottom edge arranged adjacent or pyramid of each pyramid are with pre-determined distance matrix Arrangement.
Preferably, the preparation method of a kind of composite insulation boards with three-dimensional structure interface above-mentioned, wherein described three Structure is tieed up as prism or cylinder, the bottom surface of prism or cylinder is bonded with plate face, and prism or cylinder are with the arrangement of pre-determined distance matrix.
Preferably, the preparation method of a kind of composite insulation boards with three-dimensional structure interface above-mentioned, wherein described three Dimension structure is triangular prism, and the side of triangular prism is bonded with plate face, and the side arranged adjacent or triangular prism of each triangular prism are with default Distance matrix arrangement;
Or the three-dimensional structure is quadrangular, the side of quadrangular is bonded with plate face, and quadrangular is with pre-determined distance matrix Arrangement.
Preferably, the preparation method of a kind of composite insulation boards with three-dimensional structure interface above-mentioned, wherein described three The highest point for tieing up structure is more than or equal to 5mm at a distance from plate face.
Preferably, the preparation method of a kind of composite insulation boards with three-dimensional structure interface above-mentioned, wherein the guarantor The material of warm plate is EPS, XPS or polyurethane.
Preferably, the preparation method of a kind of composite insulation boards with three-dimensional structure interface above-mentioned, wherein the water Cement mortar includes cement, aggregate and wave absorbing agent;
The aggregate is expanded perlite, EPS ball, porous glass beads, hollow glass micropearl, sea sand, river sand or machine At least one of sand processed;
The wave absorbing agent be graphite, carbon black, carbon fiber, graphene, nano-manganese dioxide, ferrite powder, carbonyl iron dust, At least one of metal fine powder, silicon carbide and conducting polymer;
Wherein, when the wave absorbing agent is at least one of carbon black, carbon fiber and graphene, the wave absorbing agent accounts for water The mass fraction of cement mortar is 1-5%;
The wave absorbing agent is graphite, nano-manganese dioxide, ferrite powder, carbonyl iron dust, metal fine powder, silicon carbide and leads When at least one of electric polymer, the mass fraction that the wave absorbing agent accounts for cement mortar is 10%-50%.Preferably, preceding The preparation method for a kind of composite insulation boards with three-dimensional structure interface stated, wherein the demoulding uses release agent, demoulding Agent is vaseline.
Also the following technical solution is employed for the object of the invention to solve the technical problems to realize.It proposes according to the present invention A kind of composite insulation boards with three-dimensional structure interface, be prepared by method above-mentioned comprising insulation board and at least one Layer screed;
Wherein, there is regularly arranged three-dimensional structure in at least side plate face of the insulation board.
The object of the invention to solve the technical problems also can be used following technical measures and further realize.
Preferably, a kind of composite insulation boards with three-dimensional structure interface above-mentioned, wherein described has three-dimensional structure The composite insulation boards at interface reflectivity under 8-18GHz frequency is lower than -15dB.
By above-mentioned technical proposal, there are the present invention composite insulation boards and preparation method thereof at three-dimensional structure interface at least to have It has the advantage that
1) present invention changes the propagation path of incident electromagnetic wave, In by designing the shape and size at three-dimensional structure interface It is capable of forming reflection and refraction between adjacent shapes, increases propagation path and increases electromagnetic wave loss, select appropriate three-dimensional structure The height and angle of interface shape can reduce the thickness and cost of material when guaranteeing excellent absorbing property;
2) present invention has the insulation board of the composite insulation boards at three-dimensional structure interface as wave permeation layer, cement sand bed conduct Wave layer is inhaled, can be realized in 8-18GHz frequency range internal reflection rate lower than -15dB, minimum reflectance can reach -35dB;This Shen The composite insulation boards with three-dimensional structure interface please not only have good absorbing property, and have thermal insulation property;
3) present invention has the preparation method of the composite insulation boards at three-dimensional structure interface simply and precision is higher, the Mortar Plates And thickness strong to electro-magnetic wave absorption is adjustable, and the electro-magnetic wave absorption construction material that other thickness can be replaced big, at high cost can be used as Building element directly uses, and can reduce the thickness of construction material and the cost of construction.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention, And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.
Detailed description of the invention
Fig. 1 is the top view of 1 insulation board of embodiment;
Fig. 2 is the side view of 1 insulation board of embodiment;
Fig. 3 is the side view for the composite insulation boards that embodiment 1 has three-dimensional structure interface;
Fig. 4 is the top view of 2 insulation board of embodiment;
Fig. 5 is the side view of 2 insulation board of embodiment;
Fig. 6 is the top view of 3 insulation board of embodiment;
Fig. 7 is the top view of 4 insulation board of embodiment.
Specific embodiment
It is of the invention to reach the technical means and efficacy that predetermined goal of the invention is taken further to illustrate, below in conjunction with Attached drawing and preferred embodiment, to composite insulation boards proposed according to the present invention with three-dimensional structure interface and preparation method thereof its Specific embodiment, structure, feature and its effect, detailed description is as follows.In the following description, different " embodiment " or What " embodiment " referred to is not necessarily the same embodiment.In addition, the special characteristic, structure or feature in one or more embodiments can It is combined by any suitable form.
A kind of preparation method for composite insulation boards with three-dimensional structure interface that one embodiment of the present of invention proposes, Include:
Insulation board is surrounded with model framework, joints cement mortar prepares screed, smoothes out, and hardening demoulding is had The composite insulation boards at three-dimensional structure interface;The screed is one or more layers;
Wherein, there is regularly arranged three-dimensional structure in at least side plate face of the insulation board;The three-dimensional knot Structure is pyramid, prism or cylinder.
Preferably, three-dimensional structure is pyramid, and the bottom surface of pyramid is bonded with plate face, the bottom edge arranged adjacent or rib of each pyramid Cone is with the arrangement of pre-determined distance matrix.
Preferably, three-dimensional structure is prism or cylinder, and the bottom surface of prism or cylinder is bonded with plate face, and prism or cylinder are with pre- If distance matrix is arranged.
Preferably, three-dimensional structure is triangular prism, and the side of triangular prism is bonded with plate face, the side adjacent row of each triangular prism Cloth or triangular prism are with the arrangement of pre-determined distance matrix;
Or the three-dimensional structure is quadrangular, the side of quadrangular is bonded with plate face, and quadrangular is with pre-determined distance matrix Arrangement.
Preferably, the highest point of three-dimensional structure is more than or equal to 5mm at a distance from plate face.
The material of preferred insulation board is EPS, XPS or polyurethane.
Preferably, cement mortar includes cement, aggregate and wave absorbing agent;
Aggregate is in expanded perlite, EPS ball, porous glass beads, hollow glass micropearl, sea sand, river sand or Machine-made Sand At least one;Preferably, aggregate is that sea sand, the wave-absorbing effect of river sand or Machine-made Sand and mechanical strength are more preferable.
Wave absorbing agent is that graphite, carbon black, carbon fiber, graphene, nano-manganese dioxide, ferrite powder, carbonyl iron dust, metal are micro- At least one of powder, silicon carbide and conducting polymer;
Wherein, when wave absorbing agent is at least one of carbon black, carbon fiber and graphene, the wave absorbing agent accounts for cement mortar Mass fraction be 1-5%;
Wave absorbing agent is graphite, nano-manganese dioxide, ferrite powder, carbonyl iron dust, metal fine powder, silicon carbide and conducting polymer When at least one of object, the mass fraction that the wave absorbing agent accounts for cement mortar is 10%-50%.
The ratio of mud is related with the type and volume of aggregate and wave absorbing agent, and typically larger than 0.5.
Preferably, demoulding uses release agent, and release agent is vaseline.
Another embodiment of the present invention proposes a kind of composite insulation boards with three-dimensional structure interface, by method system above-mentioned It is standby and obtain comprising insulation board and at least one layer of screed;
Wherein, there is regularly arranged three-dimensional structure in at least side plate face of the insulation board.Three-dimensional structure is rib Cone, prism or cylinder.
Screed has holding tank, and the three-dimensional structure of insulating layer is accommodated, is bonded screed with plate face.
Wherein, insulation board is as wave permeation layer, and screed is as suction wave layer.
Preferably, the reflectivity under 8-18GHz frequency of the composite insulation boards with three-dimensional structure interface is lower than -15dB.
Embodiment 1
A kind of preparation method for composite insulation boards with three-dimensional structure interface that one embodiment of the present of invention proposes, Include:
1) insulation board is chosen, wherein insulation board full page size is 182mm × 182mm × 21.3mm, has bottom edge a length of 14.0mm is highly the triangular pyramid type interface shape of 19.3mm, the face arranged adjacent of contact of each shape with pedestal, and pedestal is Top view and the side view difference of 2.0mm, insulation board are as depicted in figs. 1 and 2;
2) use closed-cell expanded perlite as bone using 52.5 cement of P.O with 0.5 ratio of mud mortar that mixes cement Material, wherein expanded perlite particle size range stirs evenly in planetary stirring machine in 1-2mm, obtains cement mortar;It will heat preservation It is to inject the cement mortar being stirred in right amount in 182.2mm × 182.2mm × steel frame of the 40mm with bottom plate that plate, which is placed in size, It smoothes out after vibrating, is demoulded after hardening, obtain the composite insulation boards with three-dimensional structure interface.
As shown in figure 3, another embodiment of the present invention proposes a kind of composite insulation boards with three-dimensional structure interface, by reality The method for applying example 1 is prepared comprising insulation board 1 and screed 2;Wherein, have in the side plate face of the insulation board 1 Regularly arranged triangular pyramid 3.
The composite insulation boards with three-dimensional structure interface of embodiment 1 are tested into its electro-magnetic wave absorption using arched reflective method Performance, obtaining minimum reflectance is -35dB, and frequency range of the reflectivity lower than -15dB is 6.8-18GHz.
Embodiment 2
A kind of preparation method for composite insulation boards with three-dimensional structure interface that one embodiment of the present of invention proposes, Include:
1) insulation board is chosen, wherein insulation board full page size is 182.0mm × 182.0mm × 17.0mm, and bottom surface is parallel to The contact surface size of the tetragonous column type interface shape of plate surface, single shape and pedestal is 6.0mm × 6.0mm, each shape Bottom edge is parallel and at a distance of 6.0mm, is highly 15.0mm, and pedestal 2.0mm, the top view and side view of insulation board are respectively such as Fig. 4 With shown in Fig. 5;
2) use closed-cell expanded perlite as bone using 52.5 cement of P.O with 0.5 ratio of mud mortar that mixes cement Material, wherein expanded perlite particle size range stirs evenly in planetary stirring machine in 1-2mm, obtains cement mortar;It will heat preservation It is to inject the cement mortar being stirred in right amount in 182.2mm × 182.2mm × steel frame of the 40mm with bottom plate that plate, which is placed in size, It smoothes out after vibrating, is demoulded after hardening, obtain the composite insulation boards with three-dimensional structure interface.
Another embodiment of the present invention proposes a kind of composite insulation boards with three-dimensional structure interface, by the side of embodiment 2 Method is prepared comprising insulation board and screed;Wherein, have regularly arranged four in the side plate face of the insulation board Prism.
The composite insulation boards with three-dimensional structure interface of embodiment 2 are tested into its electro-magnetic wave absorption using arched reflective method Performance, when electromagnetic wave is with vertical polarization directions incidence, obtaining minimum reflectance is -36dB, and reflectivity is lower than the frequency model of -15dB It encloses for 5.3-18GHz.
Embodiment 3
A kind of preparation method for composite insulation boards with three-dimensional structure interface that one embodiment of the present of invention proposes, Include:
1) insulation board is chosen, wherein insulation board full page size is 182.0mm × 182.0mm × 33.3mm, and bottom edge is a length of 22.8mm is highly the rectangular pyramid interface shape of 31.3mm, the face arranged adjacent of contact of each shape with pedestal, and pedestal is 2.0mm;
2) use normal sand as aggregate, in planet using 52.5 cement of P.O with 0.7 ratio of mud mortar that mixes cement It is stirred evenly in formula blender, obtains cement mortar;It is 182.2mm × 182.2mm × 40mm band bottom that insulation board, which is placed in size, In the steel frame of plate, the cement mortar being stirred in right amount is injected, smoothes out after vibrating, is demoulded after hardening, obtained with three-dimensional structure The composite insulation boards at interface.The top view of insulation board is as shown in Figure 6.
Another embodiment of the present invention proposes a kind of composite insulation boards with three-dimensional structure interface, by the side of embodiment 3 Method is prepared comprising insulation board and screed;Wherein, have regularly arranged four in the side plate face of the insulation board Pyramid.
The composite insulation boards with three-dimensional structure interface of embodiment 3 are tested into its electro-magnetic wave absorption using arched reflective method Performance, obtaining minimum reflectance is -40dB, and frequency range of the reflectivity lower than -15dB is 3.8-18GHz.
Embodiment 4
A kind of preparation method for composite insulation boards with three-dimensional structure interface that one embodiment of the present of invention proposes, Include:
1) insulation board is chosen, wherein insulation board full page size is 182.0mm × 182.0mm × 21.3mm, and bottom edge is a length of 14.8mm is highly the hexagonal pyramid type interface shape of 19.3mm, the face arranged adjacent of contact of each shape with pedestal, and pedestal is 2.0mm;
2) use closed-cell expanded perlite as second using 52.5 cement of P.O with 0.5 ratio of mud mortar that mixes cement Aggregate, wherein expanded perlite particle size range stirs evenly in planetary stirring machine in 1-2mm, obtains cement mortar;It will protect It is to inject the cement bonded sand being stirred in right amount in 182.2mm × 182.2mm × steel frame of the 40mm with bottom plate that warm plate, which is placed in size, Slurry, smoothes out after vibrating, demoulds after hardening, obtain the composite insulation boards with three-dimensional structure interface.The top view of insulation board such as Fig. 7 It is shown.
Another embodiment of the present invention proposes a kind of composite insulation boards with three-dimensional structure interface, by the side of embodiment 4 Method is prepared comprising insulation board and screed;Wherein, have regularly arranged six in the side plate face of the insulation board Pyramid.
The composite insulation boards with three-dimensional structure interface of embodiment 4 are tested into its electro-magnetic wave absorption using arched reflective method Performance, obtaining minimum reflectance is -30dB, and frequency range of the reflectivity lower than -10dB is 5.1-18GHz.
Embodiment 5
A kind of preparation method for composite insulation boards with three-dimensional structure interface that one embodiment of the present of invention proposes, Include:
1) insulation board is chosen, wherein insulation board full page size is 182.0mm × 182.0mm × 30.0mm, and one side is parallel In the triangular prism-shaped interface shape of plate surface, the contact surface size of single shape and pedestal is 14.0mm × 182.0mm, each The face of contact of the shape with pedestal is highly 19.3mm with long side arranged adjacent, pedestal 2.0mm;
2) 52.5 cement of P.O and closed-cell expanded perlite are stirred with 0.5 ratio of mud, wherein expanded perlite particle size range It in 1-2mm, is stirred evenly in planetary stirring machine, obtains the first cement mortar;By insulation board be placed in size be 182.2mm × In steel frame of the 182.2mm × 40mm with bottom plate, appropriate vaseline is coated, injects the first cement mortar being stirred in right amount, vibration It smoothes out after smashing, is demoulded after hardening, obtain blanket;
3) 52.5 cement of P.O and normal sand are stirred with 0.45 ratio of mud, stirs evenly, obtains in planetary stirring machine Second cement mortar;It is in 182.2mm × 182.2mm × steel frame of the 40mm with bottom plate that blanket, which is placed in size, and injection is appropriate The second cement mortar being stirred, smoothes out after vibrating, demoulds after hardening, obtains the composite insulation boards with three-dimensional structure interface.
Another embodiment of the present invention proposes a kind of composite insulation boards with three-dimensional structure interface, by the side of embodiment 5 Method is prepared, and successively includes insulation board, the first screed and the second screed;Wherein, the side plate of the insulation board There is regularly arranged triangular prism on face.
The composite insulation boards with three-dimensional structure interface of embodiment 5 are tested into its electro-magnetic wave absorption using arched reflective method Performance, when electromagnetic wave is with vertical polarization directions incidence, obtaining minimum reflectance is -38dB, and reflectivity is lower than the frequency model of -15dB It encloses for 4.0-18GHz.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, according to According to technical spirit any simple modification, equivalent change and modification to the above embodiments of the invention, this hair is still fallen within In the range of bright technical solution.

Claims (10)

1. a kind of preparation method of the composite insulation boards with three-dimensional structure interface, characterized in that it comprises:
Insulation board is surrounded with model framework, joints cement mortar prepares screed, smoothes out, and hardening demoulding obtains having three-dimensional The composite insulation boards of structural interface;The screed is one or more layers;
Wherein, there is regularly arranged three-dimensional structure in at least side plate face of the insulation board;The three-dimensional structure is Pyramid, prism or cylinder.
2. a kind of preparation method of composite insulation boards with three-dimensional structure interface according to claim 1, feature exist In the three-dimensional structure is pyramid, and the bottom surface of pyramid is bonded with plate face, and the bottom edge arranged adjacent or pyramid of each pyramid are with pre- If distance matrix is arranged.
3. a kind of preparation method of composite insulation boards with three-dimensional structure interface according to claim 1, feature exist It is prism or cylinder in, the three-dimensional structure, the bottom surface of prism or cylinder is bonded with plate face, and prism or cylinder are with pre-determined distance Matrix arrangement.
4. a kind of preparation method of composite insulation boards with three-dimensional structure interface according to claim 1, feature exist In the three-dimensional structure is triangular prism, and the side of triangular prism is bonded with plate face, the side arranged adjacent of each triangular prism or three Prism is with the arrangement of pre-determined distance matrix;
Or the three-dimensional structure is quadrangular, the side of quadrangular is bonded with plate face, and quadrangular is with the arrangement of pre-determined distance matrix.
5. a kind of preparation method of composite insulation boards with three-dimensional structure interface according to claim 1, feature exist In the highest point of the three-dimensional structure is more than or equal to 5mm at a distance from plate face.
6. a kind of preparation method of composite insulation boards with three-dimensional structure interface according to claim 1, feature exist In the material of the insulation board is EPS, XPS or polyurethane.
7. a kind of preparation method of composite insulation boards with three-dimensional structure interface according to claim 1, feature exist In the cement mortar includes cement, aggregate and wave absorbing agent;
The aggregate is expanded perlite, EPS ball, porous glass beads, hollow glass micropearl, sea sand, river sand or Machine-made Sand At least one of;
The wave absorbing agent is graphite, carbon black, carbon fiber, graphene, nano-manganese dioxide, ferrite powder, carbonyl iron dust, metal At least one of micro mist, silicon carbide and conducting polymer;
Wherein, when the wave absorbing agent is at least one of carbon black, carbon fiber and graphene, the wave absorbing agent accounts for cement bonded sand The mass fraction of slurry is 1-5%;
The wave absorbing agent is that graphite, nano-manganese dioxide, ferrite powder, carbonyl iron dust, metal fine powder, silicon carbide and conduction are poly- When closing at least one of object, the mass fraction that the wave absorbing agent accounts for cement mortar is 10%-50%.
8. a kind of preparation method of composite insulation boards with three-dimensional structure interface according to claim 1, feature exist In the demoulding uses release agent, and release agent is vaseline.
9. a kind of composite insulation boards with three-dimensional structure interface, which is characterized in that by the described in any item sides of claim 1-8 Method is prepared comprising insulation board and at least one layer of screed;
Wherein, there is regularly arranged three-dimensional structure in at least side plate face of the insulation board.
10. a kind of composite insulation boards with three-dimensional structure interface according to claim 9, which is characterized in that described Composite insulation boards with three-dimensional structure interface reflectivity under 8-18GHz frequency is lower than -15dB.
CN201810489455.2A 2018-05-21 2018-05-21 Composite insulation board with three-dimensional structure interface and preparation method thereof Active CN110512754B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810489455.2A CN110512754B (en) 2018-05-21 2018-05-21 Composite insulation board with three-dimensional structure interface and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810489455.2A CN110512754B (en) 2018-05-21 2018-05-21 Composite insulation board with three-dimensional structure interface and preparation method thereof

Publications (2)

Publication Number Publication Date
CN110512754A true CN110512754A (en) 2019-11-29
CN110512754B CN110512754B (en) 2024-01-02

Family

ID=68621923

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810489455.2A Active CN110512754B (en) 2018-05-21 2018-05-21 Composite insulation board with three-dimensional structure interface and preparation method thereof

Country Status (1)

Country Link
CN (1) CN110512754B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112266219A (en) * 2020-10-15 2021-01-26 新化县东泰特种耐火材料有限公司 Preparation method of energy-saving board for building
IT202000008827A1 (en) * 2020-04-23 2021-10-23 M I T Srl SHIELDING DEVICES AGAINST ELECTROMAGNETIC WAVES, USED IN INDUSTRIAL APPLICATIONS OF DIFFERENT KINDS, AND IN PARTICULAR TILES ABSORBING ELECTROMAGNETIC WAVES
CN114853427A (en) * 2022-06-13 2022-08-05 诸暨市幄肯中智新材料有限公司 Enhanced polymer ball filled light composite material and preparation method thereof
CN115448662A (en) * 2022-09-08 2022-12-09 中国建筑材料科学研究总院有限公司 Multi-scale scattering structure cement-based wave absorber and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU3994678A (en) * 1978-09-18 1980-03-27 Mitchell G B Facing panel structure
CN101340052A (en) * 2008-08-27 2009-01-07 福州高意通讯有限公司 Single longitudinal mode laser of semi-conductor pump
CN101386721A (en) * 2008-10-28 2009-03-18 中国建筑材料科学研究总院 Putty with electromagnetic wave absorption function
CN107056325A (en) * 2017-03-28 2017-08-18 海南大学 A kind of double-deck compromise face cement-based absorption material and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU3994678A (en) * 1978-09-18 1980-03-27 Mitchell G B Facing panel structure
CN101340052A (en) * 2008-08-27 2009-01-07 福州高意通讯有限公司 Single longitudinal mode laser of semi-conductor pump
CN101386721A (en) * 2008-10-28 2009-03-18 中国建筑材料科学研究总院 Putty with electromagnetic wave absorption function
CN107056325A (en) * 2017-03-28 2017-08-18 海南大学 A kind of double-deck compromise face cement-based absorption material and preparation method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202000008827A1 (en) * 2020-04-23 2021-10-23 M I T Srl SHIELDING DEVICES AGAINST ELECTROMAGNETIC WAVES, USED IN INDUSTRIAL APPLICATIONS OF DIFFERENT KINDS, AND IN PARTICULAR TILES ABSORBING ELECTROMAGNETIC WAVES
WO2021214810A1 (en) * 2020-04-23 2021-10-28 M.I.T. S.R.L. Shielding devices for the electromagnetic waves, which are utilized for industrial applications of various kind, and in particular electromagnetic waves absorbing tiles
CN112266219A (en) * 2020-10-15 2021-01-26 新化县东泰特种耐火材料有限公司 Preparation method of energy-saving board for building
CN114853427A (en) * 2022-06-13 2022-08-05 诸暨市幄肯中智新材料有限公司 Enhanced polymer ball filled light composite material and preparation method thereof
CN115448662A (en) * 2022-09-08 2022-12-09 中国建筑材料科学研究总院有限公司 Multi-scale scattering structure cement-based wave absorber and preparation method thereof

Also Published As

Publication number Publication date
CN110512754B (en) 2024-01-02

Similar Documents

Publication Publication Date Title
CN110512754A (en) Composite insulation boards and preparation method thereof with three-dimensional structure interface
Liu et al. Green building materials lit up by electromagnetic absorption function: A review
Guan et al. Cement based electromagnetic shielding and absorbing building materials
CN110512792A (en) Reinforced cement-mortar board and preparation method thereof with three-dimensional structure interface
Huang et al. Bioinspired gyrotropic metamaterials with multifarious wave adaptability and multifunctionality
KR101236584B1 (en) High strength aerogel paint compositions
Cao et al. Developing electromagnetic functional materials for green building
CN107056325A (en) A kind of double-deck compromise face cement-based absorption material and preparation method thereof
CN105958212A (en) Omnidirectional dual-band wave-absorbing material
CN109413974A (en) A kind of multi-layer structured wave absorbing material and preparation method thereof
CN109979426B (en) Acousto-electric independent modulation coding metamaterial and preparation method and modulation method thereof
CN104519726A (en) Honeycomb core material, compound wave-absorbing material and honeycomb enhanced metamaterial
Xie et al. Three-dimensional periodic structured absorber for broadband electromagnetic radiation absorption
JP5479540B2 (en) Radio wave absorber
Sang et al. Ni@ CNTs/Al2O3 ceramic composites with interfacial solder strengthen the segregated network for high toughness and excellent electromagnetic interference shielding
Cheng et al. A novel linear gradient carbon fiber array integrated square honeycomb structure with electromagnetic wave absorption and enhanced mechanical performances
Xie et al. Design and manufacture of a dual-functional exterior wall structure for 1.1–5 GHz electromagnetic radiation absorption
Xie et al. Layered gypsum-based composites with grid structures for S-band electromagnetic wave absorption
CN208502047U (en) Reinforced cement-mortar board with three-dimensional structure interface
Li et al. Preparation and properties of a Jauman type microwave absorbing ceramic with carbon felt film
CN208293801U (en) Composite insulation boards with three-dimensional structure interface
JP2004296728A (en) Wave absorber, forming material and forming body therefor and its manufacturing method
Liu et al. Effects of EPS, Mn–Zn Ferrite, and Layers on the Electromagnetic Absorption Performance of Magnesium Phosphate Cement
He et al. Improved dielectric and magnetic properties of 1–3-type Ni0. 5Zn0. 5Fe2O4/epoxy composites for high-frequency applications
CN204796033U (en) Inhale super material of ripples and inhale ripples device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant