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 PDFInfo
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- 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
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- composite insulation
- preparation
- structure interface
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- 238000009413 insulation Methods 0.000 title claims abstract description 111
- 239000002131 composite material Substances 0.000 title claims abstract description 61
- 238000002360 preparation method Methods 0.000 title claims abstract description 31
- 239000011083 cement mortar Substances 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 18
- 239000006096 absorbing agent Substances 0.000 claims description 21
- 239000004568 cement Substances 0.000 claims description 18
- 239000004576 sand Substances 0.000 claims description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 239000011159 matrix material Substances 0.000 claims description 12
- 239000010451 perlite Substances 0.000 claims description 11
- 235000019362 perlite Nutrition 0.000 claims description 11
- 239000000843 powder Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 8
- 238000002310 reflectometry Methods 0.000 claims description 8
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000006229 carbon black Substances 0.000 claims description 6
- 239000004917 carbon fiber Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 6
- 229910021389 graphene Inorganic materials 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Inorganic materials O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 6
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 6
- 229910000859 α-Fe Inorganic materials 0.000 claims description 6
- 239000002322 conducting polymer Substances 0.000 claims description 4
- 229920001940 conductive polymer Polymers 0.000 claims description 4
- 229940099259 vaseline Drugs 0.000 claims description 4
- 239000011324 bead Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000005373 porous glass Substances 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 2
- 239000003595 mist Substances 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 11
- 239000004035 construction material Substances 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 11
- 238000003756 stirring Methods 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000004570 mortar (masonry) Substances 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000005670 electromagnetic radiation Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000004566 building material Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 210000000988 bone and bone Anatomy 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004567 concrete Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, 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
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00025—Aspects relating to the protection of the health, e.g. materials containing special additives to afford skin protection
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00258—Electromagnetic wave absorbing or shielding materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B2001/925—Protection 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
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.
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