CN109818148A - A kind of carrier-borne high temperature resistant heat insulation antenna house and preparation method thereof - Google Patents
A kind of carrier-borne high temperature resistant heat insulation antenna house and preparation method thereof Download PDFInfo
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- CN109818148A CN109818148A CN201811550388.7A CN201811550388A CN109818148A CN 109818148 A CN109818148 A CN 109818148A CN 201811550388 A CN201811550388 A CN 201811550388A CN 109818148 A CN109818148 A CN 109818148A
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Abstract
A kind of carrier-borne high temperature resistant heat insulation antenna house and preparation method thereof, is related to composite structure forming method field.Technological deficiency, heat-proof quality to solve the problems, such as existing D shipborne radar cover be poor, the mating temperature control device high failure rate of antenna house, the mating temperature control device input cost of antenna house are high.Antenna house cover wall structure ecto-entad successively devises the hydrophobic high durable high-temperaure coating in outer surface, outer surface quartz fiber cloth enhancing modified phenolic type vinylite structure sheaf, Polymethacrylimide foamed core layer, polycrystalline alumina fiber enhancing SiO2Aerogel heat-proof layer, Polymethacrylimide foamed core layer, inner surface quartz fiber cloth enhance phenol aldehyde type vinylite structure sheaf, inner surface fluorine carbon fungus resistant coating.The present invention is suitable for shipborne radar field.
Description
Technical field
The present invention relates to composite structure forming method fields, and in particular to a kind of carrier-borne high temperature resistant heat insulation antenna house and
Preparation method.
Background technique
Antenna house is the important component of radar system, and importance is to provide for radome round-the-clock
Working environment, for shipborne radar, antenna house enables radar to work in high precision under various adverse weather conditions, greatly
Ground improves the reliability and service life of radar, reduces maintenance and maintenance cost.
The afloat navigation environment of aircraft carrier is extremely severe, it is desirable to protect Shipboard Radar System, antenna house is not only wanted
High temperature resistant, salt spray resistance, wet-heat resisting, resistance to solar radiation etc. will also have the multiple functions such as structural bearing, high wave transparent performance.It is carrier-borne
Spout flame temperature is up to 1700 DEG C or more at work for the engine of machine (such as: destroying -15, F-35), carrier-borne aircraft landing process
In by the antenna house of specific range when, high temperature impact can be generated to antenna house cover, transient temperature is up to 200 DEG C, existing day
Though irdome is able to take the high temperature impact generated during carrier-borne aircraft landing, heat-proof quality is poor, leads to temperature inside antenna house
Degree can rapid increase.The operating ambient temperature of general D shipborne radar is not above 60 DEG C, to guarantee D shipborne radar
It works normally, needs to come by refrigeration equipment or ventilation equipment to environment temperature reduction in cover.The shortcomings that this cooling method, is as follows:
First, electronic temperature control equipment there are higher failure rate, when war preparedness break down will lead to radar antenna can not be just
Often work；
Second, carrier-borne electronic temperature control equipment valuableness investment is big；
Third, equipment volume is larger and occupies the confined space on warship；
Therefore it is badly in need of a kind of antenna house with high temperature resistant and heat insulating function, the operation of Lai Tigao D shipborne radar at present
Ability ensures the i.e. fighting capacity of aircraft carrier.
Summary of the invention
The present invention be solve existing D shipborne radar cover technological deficiency, heat-proof quality be poor, the mating temperature control of antenna house
The problem that equipment failure rate is high, the mating temperature control device input cost of antenna house is high, and propose a kind of carrier-borne high temperature resistant heat insulation antenna
Cover and preparation method thereof.
A kind of carrier-borne high temperature resistant heat insulation antenna house of the invention, cover wall composition include be combined with each other construction interior,
Compound sandwich layer and structural outside layers；
The construction interior includes inner surface fluorine carbon fungus resistant coating and inner surface quartz fiber cloth enhancing phenolic aldehyde from the inside to the outside
Type vinylite structure sheaf；
Compound sandwich layer includes: No.1 Polymethacrylimide foamed core layer, polycrystalline alumina fiber enhancing from the inside to the outside
SiO2Aerogel heat-proof floor and No. two Polymethacrylimide foamed core layers；
The structural outside layers include: outer surface quartz fiber cloth enhancing modified phenolic type vinylite structure from the inside to the outside
Layer and the hydrophobic high durable high-temperaure coating in outer surface；
Enhance phenol aldehyde type vinylite structure sheaf in No.1 Polymethacrylimide foamed core layer and quartz fiber cloth
The surface of contact is equipped with the multiple staggeredly interior foamed core layer slots of perforation together, No. two Polymethacrylimide foaming
The surface that sandwich layer is contacted with outer surface quartz fiber cloth enhancing modified phenolic type vinylite structure sheaf is equipped with multiple interlock
The interior foamed core layer slot of perforation together.
A kind of preparation method of the carrier-borne high temperature resistant heat insulation antenna house, it is specific the preparation method comprises the following steps:
Prepare the process of compound sandwich layer
Step 1: taking the Polymethacrylimide foaming plate of 7~35mm of design thickness, unilateral slot treatment is carried out,
1~2mm of groove width, groove depth are 2~3mm of design thickness, and slot 40~50mm of spacing, and vertical and horizontal are opened
Slot；
By two layers of Polymethacrylimide foaming plate after fluting, the side opposite direction of two plates unslotted is overlapped
It is put into metal fixture identical with antenna house shape, is then put into oven heat together and carries out heat-shaping, setting temperature 190~
210 DEG C, cooled to room temperature after heating rate 1 DEG C/min, constant temperature 1h；
Fiber preform is made on special molding die identical with antenna house shape using polycrystalline alumina fiber, then
By SiO2Colloidal sol obtains polycrystalline alumina fiber enhancing SiO by gel ageing, drying process full of in fiber preform2
Aerogel composite thermal insulation layer, polycrystalline alumina fiber account for polycrystalline alumina fiber and SiO2The 10% of aeroge gross mass~
15%, insulation thickness is 1mm~3mm；
The process of preparation structure internal layer and structural outside layers
Step 2: the preparation hydrophobic high durable high-temperaure coating in outer surface is PTFE modified fluorin resin coating: in molding die
Surface sprays twice of coating of PTFE modified fluorin resin, every all over coating dosage thickness 100~150g/ ㎡, overall thickness 200 μm~500
μm, to normal after the completion of spraying, 20~25 DEG C of solidifications, 7~8h of curing time；
Step 3: preparation outer surface quartz fiber cloth enhances modified phenolic type vinylite structure sheaf: carrying out first just
Finished product molding resin preparation, using borosilicate cenosphere modified phenolic type vinylite, borosilicate cenosphere
Partial size be 10~200 μm, the additive amount of borosilicate cenosphere is borosilicate cenosphere and phenol aldehyde type vinyl tree
The 8%~10% of rouge gross mass, then 2%~6% interface treating agent of borosilicate cenosphere gross mass is added, by former material
Material is blended under 30~40 DEG C of environment, and the promotor of a certain amount of resin addition 1%~2% is taken to be sufficiently mixed again after blending
The curing agent of addition 1%~4% is sufficiently mixed use, and rouge gel time is controlled in 30~90min；
Step 4: preparation outer surface quartz fiber cloth enhances modified phenolic type vinylite structure sheaf: after hardening
The painting of PTFE modified fluorin resin coating surface brushes one times special interface inorganic agent, it is dry after time modified phenolic type ethylene of roller coating again
Base resin, dosage are 200g/ ㎡；0 ° of laying first layer quartz fiber cloth of laying prime direction is chosen, it is corresponding to be paved with molding die
Product space, in the good quartz fiber cloth surface roller coating modified phenolic type vinylite of laying, dosage is 200g/ ㎡；With paving
On the basis of 0 ° of prime direction of layer, 22.5 ° of laying directions as second layer quartz fiber cloth are rotated clockwise, molding die is paved with
Corresponding product position, in the good quartz fiber cloth surface roller coating modified phenolic type vinylite of laying, dosage is 200g/ ㎡,
On the basis of 0 ° of laying prime direction, 45 ° of laying directions as third layer quartz fiber cloth are rotated clockwise, shaping mould is paved with
The type chamber of tool, in the good quartz fiber cloth surface roller coating modified phenolic type vinylite of laying, dosage is 200g/ ㎡, with paving
On the basis of 0 ° of prime direction of layer, 67.5 ° of laying directions as the 4th layer of quartz fiber cloth are rotated clockwise, molding die is paved with
Type chamber, in the good quartz fiber cloth surface roller coating modified phenolic type vinylite of laying, dosage is 200g/ ㎡；Laying side
It is a laying circulation to 0 °, 22.5 °, 45 ° and 67.5 ° each one layer of quartz fiber cloth, is recycled by one or more layings, it can
To obtain wanting Laminate construction thickness；
Recombination process
Step 5: laying pre-made core layer: roller coating is distinguished on two layers of methacrylimide foaming plate surface of pre-setting
Modified phenolic type vinylite, dosage are 100g/ ㎡, the side pair that first layer methacrylimide foaming plate is slotted
Positive formation mold laying is paved with the type chamber of molding die, and prefabricated polycrystalline alumina fiber is enhanced SiO2Aeroge composite wood
Expect that thermal insulation layer is laid in first layer methacrylimide foamed board according to the cavity positions of molding die with a thickness of 1~3mm
The side of second layer methacrylimide foaming plate unslotted is aligned to pattern tool laying, is paved with shaping mould by material surface
The type chamber of tool；
Step 6: preparing inner surface quartz fiber cloth enhancing modified phenolic type vinylite structure sheaf and inner surface quartz
Fiber cloth enhances modified phenolic type vinylite structure sheaf: the control of surfaces externally and internally structure sheaf resin gel time 30~
90min；
Step 7: laying vacuum aided material layer: in inner surface structure layer surface successively laying polyester fiber release cloth one
Layer, inhales one layer of rubber mat, first layer polyamide vacuum bag film, one layer of the surface E30 felt, second layer polyamide vacuum at one layer of isolation film
First layer, second layer polyamide vacuum bag film, are successively sticked on molding die sealing surface by bag film using Special sealing rubber strip, are protected
Demonstrate,prove leakproofness, respectively in first layer, second layer polyamide vacuum bag film pre-buried vacuum tube several, laying vacuum aided material
Vacuumize solidification after layer laying, vacuum pressure need to reach -0.06MPa~-0.1MPa, and 25 DEG C of solidification temperature room temperature,
Curing time 24 hours；
Step 8: after secondary finished product solidifies: the product that normal temperature cure finishes gradually removes vacuum aided material layer, by product
Solidify after being carried out under mould state, naturally cools to room after 190~200 DEG C of heating rates of solidification temperature 1 DEG C/min, constant temperature 12h
Temperature；
Step 9: preparing inner surface fluorine carbon fungus resistant coating: after finished product solidification, inner surface needs to be cleaned with alcohol, spray
Fluorine carbon fungus resistant coating is applied, 200 μm~250 μm of coating layer thickness, coating heat cure, solidification temperature 90~100 are carried out after spraying
DEG C, 5~6h of curing time.
Compared with the prior art, the invention has the following beneficial effects:
One, the present invention make the antenna house i.e. resistance to 200 DEG C of high temperature while have both again it is heat-insulated (when carrier-borne antenna house receives outside
Case temperature can be controlled at 60 DEG C or less when 200 DEG C of temperature shocks of temperature), wave transmission rate height, structural bearing, the salt fog of resistance to ocean ring
The characteristics such as border corrosion；
Two, the present invention has preferable heat insulating function, covers interior cooling installation without being equipped with, reduces costs investment；
Three, the present invention under 200 DEG C of hot environments, in 1GHz~5GHz band limits Electro-magnetic Wave Penetrate rate up to 98% with
On；
Four, shape of the present invention can be plate, spherical shape, ellipse and other are abnormally-structured.Cover structure is according to using need
It asks and can be overall structure, as fruit volume is larger not readily transportable and production can use piecemeal package assembly.
Detailed description of the invention
The whole cover schematic diagram of the carrier-borne high temperature resistant heat insulation antenna house of Fig. 1；
The carrier-borne high temperature resistant heat insulation antenna house cover wall sectional view of Fig. 2；
The carrier-borne high temperature resistant heat insulation antenna house vacuum auxiliary material laying schematic diagram of Fig. 3；
Fig. 4 Polymethacrylimide foaming plate fluting schematic elevation view；
Fig. 5 Polymethacrylimide foaming plate fluting schematic side view；
The carrier-borne high temperature resistant heat insulation antenna house manufacturing process flow diagram of Fig. 6.
Specific embodiment
Specific embodiment 1: embodiment is described with reference to Fig. 2, the cover wall of antenna house described in present embodiment by it is interior extremely
Outer includes construction interior, compound sandwich layer and the structural outside layers being combined with each other；
The construction interior includes inner surface fluorine carbon fungus resistant coating 2 and inner surface quartz fiber cloth enhancing phenolic aldehyde from the inside to the outside
Type vinylite structure sheaf 3；
Compound sandwich layer includes: No.1 Polymethacrylimide foamed core layer 4, polycrystalline alumina fiber enhancing from the inside to the outside
SiO2Aerogel heat-proof floor 5 and No. two Polymethacrylimide foamed core layers 6；
The structural outside layers include: outer surface quartz fiber cloth enhancing modified phenolic type vinylite structure from the inside to the outside
Layer 7 and the hydrophobic high durable high-temperaure coating 8 in outer surface；
Enhance phenol aldehyde type vinylite structure sheaf in No.1 Polymethacrylimide foamed core layer 4 and quartz fiber cloth
The surface of 3 contacts is equipped with the multiple staggeredly interior foamed core layer slots 1 of perforation together, No. two Polymethacrylimides
The surface that foamed core layer 6 is contacted with outer surface quartz fiber cloth enhancing modified phenolic type vinylite structure sheaf 7 is equipped with more
A staggeredly interior foamed core layer slot 1 of perforation together.
Specific embodiment 2: embodiment is described with reference to Fig. 2, the hydrophobic high durable in outer surface described in present embodiment is resistance to
High temperature coating 8 be PTFE modified fluorin resin coating, 200 μm~500 μm of thickness；
PTFE modified fluorin resin has excellent weatherability, resistance to medium and self-cleaning property in present embodiment, and has
Have the characteristics that high temperature resistant and application life are long, is highly suitable for the protective coating of carrier-borne high temperature resistant heat insulation antenna house.
Specific embodiment 3: embodiment is described with reference to Fig. 2, No.1 polymethyl acyl described in present embodiment is sub-
The density of amine foamed core layer 4 and No. two Polymethacrylimide foamed core layers 6 is 60kg/m3；
Polymethacrylimide foamed material has excellent heat resistance in present embodiment, such material is most at present
High tolerable temperature has lower dielectric constant, excellent in mechanical performance up to 200 DEG C.
Specific embodiment 4: embodiment is described with reference to Fig. 2, the enhancing of polycrystalline alumina fiber described in present embodiment
SiO2Aerogel composite thermal insulation layer 5, polycrystalline alumina fiber accounts for polycrystalline alumina fiber and SiO2Aeroge gross mass
10%~15%, insulation thickness is 1mm~3mm；
The nano grade pore of SiO2 aeroge can significantly reduce the heat transfer and convective heat transfer of gas molecule in present embodiment
It is only that 0.013W/ (mK) is recognized that very thin skeleton particle, which can significantly reduce under solid thermal conduction therefore the extremely low room temperature of its thermal conductivity,
To be the minimum solid material of thermal conductivity, the composite material that enhancing modification to it by polycrystalline alumina fiber can prepare has
Excellent heat-proof quality and wave transparent performance also can overcome the disadvantages that the big disadvantage of SiO2 aeroge brittleness simultaneously, and the thermal insulation layer is to antenna house
Heat insulation and wave transparent performance play crucial effect.
Specific embodiment 5: embodiment is described with reference to Fig. 2, inner surface quartz fiber cloth described in present embodiment increases
Strong modified phenolic type vinylite structure sheaf 3 enhances modified phenolic type vinylite structure sheaf with outer surface quartz fiber cloth
7 same substance structures, manufacture craft are identical with function and effect.
Specific embodiment 6: embodiment is described with reference to Fig. 2, inner surface fluorine carbon fungus resistant coating described in present embodiment
2, by fluorocarbon coating add mixed type mould inhibitor, 200 μm~250 μm of coating layer thickness；
Inner surface fluorine carbon fungus resistant coating is able to suppress antenna cover inner surface under the hygrothermal environment of ocean in present embodiment
Fungus growth.Without periodically carrying out mould cleaning to antenna cover inner surface.
Specific embodiment 7: embodiment is described with reference to Fig. 2, No.1 polymethyl acyl described in present embodiment is sub-
Interior foamed core layer slot 1 on amine foamed core layer 4 and quartz fiber cloth enhancing 3 contact surface of phenol aldehyde type vinylite structure sheaf
Enhance modified phenolic type vinylite structure with No. two Polymethacrylimide foamed core layers 6 and outer surface quartz fiber cloth
Interior foamed core layer slot 1 in 7 contact surface of layer is symmetrical arranged.
Specific embodiment 8: embodiment is described with reference to Fig. 2, interior foamed core layer fluting 1 described in present embodiment
Width is 1mm~2mm, and depth is 1mm~3mm.
Specific embodiment 9: embodiment is described with reference to Fig. 3, a kind of carrier-borne high temperature resistant heat insulation described in present embodiment
The preparation method of antenna house, the specific steps are as follows:
Prepare the process of compound sandwich layer
Step 1: taking the Polymethacrylimide foaming plate of 7~35mm of design thickness, unilateral slot treatment is carried out,
1~2mm of groove width, groove depth are 2~3mm of design thickness, and slot 40~50mm of spacing, and vertical and horizontal are opened
Slot；
By two layers of Polymethacrylimide foaming plate after fluting, the side opposite direction of two plates unslotted is overlapped
It is put into metal fixture identical with antenna house shape, is then put into oven heat together and carries out heat-shaping, setting temperature 190~
210 DEG C, cooled to room temperature after heating rate 1 DEG C/min, constant temperature 1h；
Fiber preform is made on special molding die 16 identical with antenna house shape using polycrystalline alumina fiber,
Again by SiO2Colloidal sol obtains polycrystalline alumina fiber enhancing SiO by gel ageing, drying process full of in fiber preform2
Aerogel composite thermal insulation layer, polycrystalline alumina fiber account for polycrystalline alumina fiber and SiO2The 10% of aeroge gross mass~
15%, insulation thickness is 1mm~3mm；
The process of preparation structure internal layer and structural outside layers
Step 2: the preparation hydrophobic high durable high-temperaure coating in outer surface is PTFE modified fluorin resin coating: in molding die
16 surfaces spray twice of coating of PTFE modified fluorin resin, every time coating dosage thickness 100~150g/ ㎡, and 200 μm of overall thickness~
500 μm, to normal after the completion of spraying, 20~25 DEG C of solidifications, 7~8h of curing time；
Step 3: preparation outer surface quartz fiber cloth enhances modified phenolic type vinylite structure sheaf: carrying out first just
Finished product molding resin preparation, using borosilicate cenosphere modified phenolic type vinylite, borosilicate cenosphere
Partial size be 10~200 μm, the additive amount of borosilicate cenosphere is borosilicate cenosphere and phenol aldehyde type vinyl tree
The 8%~10% of rouge gross mass, then 2%~6% interface treating agent of borosilicate cenosphere gross mass is added, by former material
Material is blended under 30~40 DEG C of environment, and the promotor of a certain amount of resin addition 1%~2% is taken to be sufficiently mixed again after blending
The curing agent of addition 1%~4% is sufficiently mixed use, and rouge gel time is controlled in 30~90min；
Step 4: preparation outer surface quartz fiber cloth enhances modified phenolic type vinylite structure sheaf: after hardening
The painting of PTFE modified fluorin resin coating surface brushes one times special interface inorganic agent, it is dry after time modified phenolic type ethylene of roller coating again
Base resin, dosage are 200g/ ㎡；0 ° of laying first layer quartz fiber cloth of laying prime direction is chosen, it is right to be paved with molding die 16
Product space is answered, in the good quartz fiber cloth surface roller coating modified phenolic type vinylite of laying, dosage is 200g/ ㎡；With
On the basis of 0 ° of laying prime direction, 22.5 ° of laying directions as second layer quartz fiber cloth are rotated clockwise, shaping mould is paved with
Have 16 corresponding product positions, in the good quartz fiber cloth surface roller coating modified phenolic type vinylite of laying, dosage 200g/
㎡ is rotated clockwise 45 ° of laying directions as third layer quartz fiber cloth, is paved on the basis of 0 ° of laying prime direction
The type chamber of pattern tool 16, in the good quartz fiber cloth surface roller coating modified phenolic type vinylite of laying, dosage 200g/
㎡ is rotated clockwise 67.5 ° of laying directions as the 4th layer of quartz fiber cloth, is paved on the basis of 0 ° of laying prime direction
The type chamber of molding die 16, in the good quartz fiber cloth surface roller coating modified phenolic type vinylite of laying, dosage 200g/
㎡；Each one layer of quartz fiber cloth in 0 °, 22.5 °, 45 ° and 67.5 ° of laying direction is a laying circulation, is spread by one or more
Layer circulation, available desired Laminate construction thickness；
Recombination process
Step 5: laying pre-made core layer: roller coating is distinguished on two layers of methacrylimide foaming plate surface of pre-setting
Modified phenolic type vinylite, dosage are 100g/ ㎡, the side pair that first layer methacrylimide foaming plate is slotted
16 laying of positive formation mold is paved with the type chamber of molding die 16, and prefabricated polycrystalline alumina fiber is enhanced SiO2Aeroge is multiple
Condensation material thermal insulation layer is laid in first layer methacrylimide according to the cavity positions of molding die 16 with a thickness of 1~3mm
The side of second layer methacrylimide foaming plate unslotted is aligned to pattern and has 16 layings, paving by foaming plate surface
The type chamber of full molding die 16；
Step 6: preparing inner surface quartz fiber cloth enhancing modified phenolic type vinylite structure sheaf and inner surface quartz
Fiber cloth enhances modified phenolic type vinylite structure sheaf: the control of surfaces externally and internally structure sheaf resin gel time 30~
90min；
Step 7: laying vacuum aided material layer: in inner surface structure layer surface successively laying polyester fiber release cloth 12
One layer, 11 1 layers of isolation film, suction 10 1 layers of rubber mat, first layer polyamide vacuum bag film 13,9 one layers of the surface E30 felt, the second strata
First layer, second layer polyamide vacuum bag film are successively sticked to molding die using Special sealing rubber strip by amide vacuum bag film 14
On 16 sealing surfaces, guarantee leakproofness, respectively in first layer, second layer polyamide vacuum bag film pre-buried vacuum tube 15 several,
It carrying out vacuumizing solidification after laying vacuum aided material layer laying, vacuum pressure need to reach -0.06MPa~-0.1MPa,
25 DEG C of solidification temperature room temperature, curing time 24 hours；
Step 8: after secondary finished product solidifies: the product that normal temperature cure finishes gradually removes vacuum aided material layer, by product
Solidify after being carried out under mould state, naturally cools to room after 190~200 DEG C of heating rates of solidification temperature 1 DEG C/min, constant temperature 12h
Temperature；
Step 9: preparing inner surface fluorine carbon fungus resistant coating: after finished product solidification, inner surface needs to be cleaned with alcohol, spray
Fluorine carbon fungus resistant coating is applied, 200 μm~250 μm of coating layer thickness, coating heat cure, solidification temperature 90~100 are carried out after spraying
DEG C, 5~6h of curing time.
Specific embodiment 10: embodiment is described with reference to Fig. 2, laying is chosen in step 4 described in present embodiment and is risen
The benchmark in 0 ° of direction of beginning is the laying prime direction of molding die；
Quartz fiber cloth enhances item with excellent dielectric properties, dielectric constant 3.8, energy the most in present embodiment
Enough improve the wave transparent performance of antenna house；The dielectric properties of phenol aldehyde type vinylite solidfied material are excellent and by ambient temperature variation
Influence is smaller, can be improved the stability of antenna house overall performance electrical performance.
Embodiment
Embodiment one: embodiment is described with reference to Fig. 2, the hydrophobic high durable high-temperaure coating in outer surface described in the present embodiment
8 be PTFE modified fluorin resin coating, 260 μm of thickness.
Embodiment two: embodiment is described with reference to Fig. 2, and polycrystalline alumina fiber described in the present embodiment enhances SiO2Airsetting
Glue composite heat shield 5, polycrystalline alumina fiber accounts for polycrystalline alumina fiber and SiO2The 12% of aeroge gross mass, it is heat-insulated
For layer with a thickness of 2mm, effect is best.
Embodiment three: embodiment is described with reference to Fig. 2, inner surface fluorine carbon fungus resistant coating 2 described in the present embodiment, by right
Mixed type mould inhibitor is added in fluorocarbon coating, coating layer thickness is 220 μm, and effect is best.
Example IV: embodiment is described with reference to Fig. 3, Step 2: the preparation hydrophobic height in outer surface is resistance to described in the present embodiment
Time high-temperaure coating is PTFE modified fluorin resin coating: it is sprayed twice of coating of PTFE modified fluorin resin on 16 surface of molding die,
Every time coating dosage thickness 100~150g/ ㎡, 260 μm of overall thickness, to normal after the completion of spraying, 25 DEG C of solidifications, curing time 8h.
Embodiment five: embodiment is described with reference to Fig. 3, Step 3: preparation outer surface quartz fibre described in the present embodiment
Cloth enhances modified phenolic type vinylite structure sheaf: progress formed product first is prepared with resin, hollow using borosilicate
Microsphere modified phenol aldehyde type vinylite, the partial size of borosilicate cenosphere are 150 μm, the addition of borosilicate cenosphere
Amount is the 10% of borosilicate cenosphere and phenol aldehyde type vinylite gross mass, also needs addition borosilicate cenosphere total
Raw material are blended 5% interface treating agent of quality under 40 DEG C of environment, and a certain amount of resin addition 2% is taken after blending
Promotor be sufficiently mixed and add 4% curing agent again and be sufficiently mixed use, rouge gel time is controlled in 80min.
Embodiment six: embodiment is described with reference to Fig. 3, Step 8: solidifying after product described in the present embodiment: normal temperature cure
The product finished gradually removes vacuum aided material layer.Solidify after product is carried out under mould state, 200 DEG C of solidification temperature rise
Cooled to room temperature after warm 1 DEG C/min of rate, constant temperature 12h.
Embodiment seven: embodiment is described with reference to Fig. 3, a kind of carrier-borne high temperature resistant heat insulation antenna house described in present embodiment
Preparation method, the specific steps are as follows:
Prepare the process of compound sandwich layer
Step 1: taking the Polymethacrylimide foaming plate of design thickness 25mm, unilateral slot treatment, fluting are carried out
Width 2mm, groove depth are design thickness 3mm, and slot spacing 50mm, and vertical and horizontal are slotted；
By two layers of Polymethacrylimide foaming plate after fluting, the side opposite direction of two plates unslotted is overlapped
It is put into metal fixture identical with antenna house shape, is then put into oven heat together and carries out heat-shaping, setting temperature 210
DEG C, cooled to room temperature after heating rate 1 DEG C/min, constant temperature 1h；
Fiber preform is made on special molding die identical with antenna house shape using polycrystalline alumina fiber, then
By SiO2Colloidal sol obtains polycrystalline alumina fiber enhancing SiO by gel ageing, drying process full of in fiber preform2
Aerogel composite thermal insulation layer, polycrystalline alumina fiber account for polycrystalline alumina fiber and SiO2Aeroge gross mass
12.5%, insulation thickness 2mm；
The process of preparation structure internal layer and structural outside layers
Step 2: the preparation hydrophobic high durable high-temperaure coating in outer surface is PTFE modified fluorin resin coating: in molding die
Surface sprays twice of coating of PTFE modified fluorin resin, every time coating dosage thickness 150g/ ㎡, and 260 μm of overall thickness, after the completion of spraying
To normal, 25 DEG C of solidifications, curing time 8h；
Step 3: preparation outer surface quartz fiber cloth enhances modified phenolic type vinylite structure sheaf: carrying out first just
Finished product molding resin preparation, using borosilicate cenosphere modified phenolic type vinylite, borosilicate cenosphere
Partial size be 180 μm, the additive amount of borosilicate cenosphere is that borosilicate cenosphere and phenol aldehyde type vinylite are total
The 8%~10% of quality, then 5% interface treating agent of borosilicate cenosphere gross mass is added, by raw material at 35 DEG C
It is blended under environment, takes the promotor of a certain amount of resin addition 1.5% to be sufficiently mixed after blending and add 1%~4% again and consolidate
Agent is sufficiently mixed use, and rouge gel time is controlled in 90min；
Step 4: preparation outer surface quartz fiber cloth enhances modified phenolic type vinylite structure sheaf: after hardening
The painting of PTFE modified fluorin resin coating surface brushes one times special interface inorganic agent, it is dry after time modified phenolic type ethylene of roller coating again
Base resin, dosage are 200g/ ㎡；0 ° of laying first layer quartz fiber cloth of laying prime direction is chosen, it is corresponding to be paved with molding die
Product space, in the good quartz fiber cloth surface roller coating modified phenolic type vinylite of laying, dosage is 200g/ ㎡；With paving
On the basis of 0 ° of prime direction of layer, 22.5 ° of laying directions as second layer quartz fiber cloth are rotated clockwise, molding die is paved with
Corresponding product position, in the good quartz fiber cloth surface roller coating modified phenolic type vinylite of laying, dosage is 200g/ ㎡,
On the basis of 0 ° of laying prime direction, 45 ° of laying directions as third layer quartz fiber cloth are rotated clockwise, shaping mould is paved with
The type chamber of tool, in the good quartz fiber cloth surface roller coating modified phenolic type vinylite of laying, dosage is 200g/ ㎡, with paving
On the basis of 0 ° of prime direction of layer, 67.5 ° of laying directions as the 4th layer of quartz fiber cloth are rotated clockwise, molding die is paved with
Type chamber, in the good quartz fiber cloth surface roller coating modified phenolic type vinylite of laying, dosage is 200g/ ㎡；Laying side
It is a laying circulation to 0 °, 22.5 °, 45 ° and 67.5 ° each one layer of quartz fiber cloth, is recycled by one or more layings, it can
To obtain wanting Laminate construction thickness；
Recombination process
Step 5: laying pre-made core layer: roller coating is distinguished on two layers of methacrylimide foaming plate surface of pre-setting
Modified phenolic type vinylite, dosage are 100g/ ㎡, the side pair that first layer methacrylimide foaming plate is slotted
Positive formation mold laying is paved with the type chamber of molding die, and prefabricated polycrystalline alumina fiber is enhanced SiO2Aeroge composite wood
Expect that thermal insulation layer is laid in first layer methacrylimide foamed board according to the cavity positions of molding die with a thickness of 1~3mm
The side of second layer methacrylimide foaming plate unslotted is aligned to pattern tool laying, is paved with shaping mould by material surface
The type chamber of tool；
Step 6: preparing inner surface quartz fiber cloth enhancing modified phenolic type vinylite structure sheaf and inner surface quartz
Fiber cloth enhances modified phenolic type vinylite structure sheaf: the control of surfaces externally and internally structure sheaf resin gel time 30~
90min；
Step 7: laying vacuum aided material layer: in inner surface structure layer surface successively laying polyester fiber release cloth one
Layer, inhales one layer of rubber mat, first layer polyamide vacuum bag film, one layer of the surface E30 felt, second layer polyamide vacuum at one layer of isolation film
First layer, second layer polyamide vacuum bag film, are successively sticked on molding die sealing surface by bag film using Special sealing rubber strip, are protected
Demonstrate,prove leakproofness, respectively in first layer, second layer polyamide vacuum bag film pre-buried vacuum tube several, laying vacuum aided material
Vacuumize solidification after layer laying, vacuum pressure need to reach -0.06MPa~-0.1MPa, and 25 DEG C of solidification temperature room temperature,
Curing time 24 hours；
Step 8: after secondary finished product solidifies: the product that normal temperature cure finishes gradually removes vacuum aided material layer, by product
Solidify after being carried out under mould state, cooled to room temperature after 200 DEG C of heating rates of solidification temperature 1 DEG C/min, constant temperature 12h；
Step 9: preparing inner surface fluorine carbon fungus resistant coating: after finished product solidification, inner surface needs to be cleaned with alcohol, spray
Painting fluorine carbon fungus resistant coating, 250 μm of coating layer thickness, progress coating heat cure after spraying, 100 DEG C of solidification temperature, curing time
6h。
Claims (10)
1. a kind of carrier-borne high temperature resistant heat insulation antenna house, it is characterised in that: the cover wall of the antenna house includes being compounded in from the inside to the outside
Construction interior, compound sandwich layer and structural outside layers together；
The construction interior includes inner surface fluorine carbon fungus resistant coating (2) and inner surface quartz fiber cloth enhancing phenol aldehyde type from the inside to the outside
Vinylite structure sheaf (3)；
Compound sandwich layer includes: No.1 Polymethacrylimide foamed core layer (4), polycrystalline alumina fiber enhancing from the inside to the outside
SiO2Aerogel heat-proof floor (5) and No. two Polymethacrylimide foamed core layers (6)；
The structural outside layers include: outer surface quartz fiber cloth enhancing modified phenolic type vinylite structure sheaf from the inside to the outside
(7) and the hydrophobic high durable high-temperaure coating (8) in outer surface；
Enhance phenol aldehyde type vinylite structure sheaf in No.1 Polymethacrylimide foamed core layer (4) and quartz fiber cloth
(3) surface contacted is equipped with the multiple staggeredly interior foamed core layer slots (1) of perforation together, and No. two polymethyl acyls are sub-
On the surface that amine foamed core layer (6) is contacted with outer surface quartz fiber cloth enhancing modified phenolic type vinylite structure sheaf (7)
Equipped with the multiple staggeredly interior foamed core layer slots (1) of perforation together.
2. a kind of carrier-borne high temperature resistant heat insulation antenna house according to claim 1, it is characterised in that: the surface hydrophobicity height is resistance to
Wait high-temperaure coating (8) be PTFE modified fluorin resin coating, 200 μm~500 μm of thickness.
3. a kind of carrier-borne high temperature resistant heat insulation antenna house according to claim 2, it is characterised in that: the poly- methyl-prop of No.1
The density of alkene acid imide foamed core layer (4) and No. two Polymethacrylimide foamed core layers (6) is 60kg/m3。
4. a kind of carrier-borne high temperature resistant heat insulation antenna house according to claim 3, it is characterised in that: the polycrystal alumina is fine
Dimension enhancing SiO2Aerogel composite thermal insulation layer (5), polycrystalline alumina fiber accounts for polycrystalline alumina fiber and SiO2Aeroge is total
The 10%~15% of quality, insulation thickness are 1~3mm.
5. a kind of carrier-borne high temperature resistant heat insulation antenna house according to claim 4, it is characterised in that: the inner surface quartz is fine
Wei Bu, which enhances modified phenolic type vinylite structure sheaf (3) and outer surface quartz fiber cloth, enhances modified phenolic type vinyl tree
The thickness of rouge structure sheaf (7) is identical.
6. a kind of carrier-borne high temperature resistant heat insulation antenna house according to claim 1, it is characterised in that: the inner surface fluorine carbon is anti-
Mould coating (2), 200 μm~250 μm of coating layer thickness.
7. a kind of carrier-borne high temperature resistant heat insulation antenna house according to claim 1, it is characterised in that: the poly- methyl-prop of No.1
Interior hair on alkene acid imide foamed core layer (4) and quartz fiber cloth enhancing phenol aldehyde type vinylite structure sheaf (3) contact surface
Steeping sandwich layer slot (1) and No. two Polymethacrylimide foamed core layers (6) and outer surface quartz fiber cloth enhances modified phenolic type
Interior foamed core layer slot (1) in vinylite structure sheaf (7) contact surface is symmetrical arranged.
8. a kind of carrier-borne high temperature resistant heat insulation antenna house according to claim 1, it is characterised in that: the interior foamed core layer is opened
The width L of slot (1) is 1mm~2mm, and depth H is 1mm~3mm.
9. a kind of manufacturing method of carrier-borne high temperature resistant heat insulation antenna house described in a kind of any one of manufacturing claims 1-8,
It is characterized by: the method specifically includes the following steps:
Prepare the process of compound sandwich layer
Step 1: taking the Polymethacrylimide foaming plate of 7~35mm of design thickness, unilateral slot treatment, fluting are carried out
1~2mm of width, groove depth are 2~3mm of design thickness, and slot 40~50mm of spacing, and vertical and horizontal are slotted；
By two layers of Polymethacrylimide foaming plate after fluting, the side opposite direction overlapping of two plates unslotted is put into
Metal fixture identical with antenna house shape, is then put into oven heat together and carries out heat-shaping, setting temperature 190~210
DEG C, cooled to room temperature after heating rate 1 DEG C/min, constant temperature 1h；
Fiber preform is made on special molding die (16) identical with antenna house shape using polycrystalline alumina fiber, then
By SiO2Colloidal sol obtains polycrystalline alumina fiber enhancing SiO by gel ageing, drying process full of in fiber preform2Gas
Gel complex material thermal insulation layer, polycrystalline alumina fiber account for polycrystalline alumina fiber and SiO2The 10% of aeroge gross mass~
15%, insulation thickness is 1mm~3mm；
The process of preparation structure internal layer and structural outside layers
Step 2: the preparation hydrophobic high durable high-temperaure coating in outer surface is PTFE modified fluorin resin coating: in molding die (16)
Surface sprays twice of coating of PTFE modified fluorin resin, every all over coating dosage thickness 100~150g/ ㎡, 200 μm~500 μ of overall thickness
M, to normal after the completion of spraying, 20~25 DEG C of solidifications, 7~8h of curing time；
Step 3: preparation outer surface quartz fiber cloth enhances modified phenolic type vinylite structure sheaf: progress first product first
Molding resin preparation, using borosilicate cenosphere modified phenolic type vinylite, the grain of borosilicate cenosphere
Diameter is 10~200 μm, and the additive amount of borosilicate cenosphere is that borosilicate cenosphere and phenol aldehyde type vinylite are total
The 8%~10% of quality, then 2%~6% interface treating agent of borosilicate cenosphere gross mass is added, raw material are existed
It is blended under 30~40 DEG C of environment, takes the promotor of a certain amount of resin addition 1%~2% to be sufficiently mixed after blending and add again
1%~4% curing agent is sufficiently mixed use, and rouge gel time is controlled in 30~90min；
Step 4: preparation outer surface quartz fiber cloth enhances modified phenolic type vinylite structure sheaf: PTFE after hardening
The painting of modified fluorin resin coating surface brushes one times special interface inorganic agent, it is dry after time modified phenolic type vinyl tree of roller coating again
Rouge, dosage are 200g/ ㎡；0 ° of laying first layer quartz fiber cloth of laying prime direction is chosen, it is corresponding to be paved with molding die (16)
Product space, in the good quartz fiber cloth surface roller coating modified phenolic type vinylite of laying, dosage is 200g/ ㎡；With paving
On the basis of 0 ° of prime direction of layer, 22.5 ° of laying directions as second layer quartz fiber cloth are rotated clockwise, molding die is paved with
(16) corresponding product position, in the good quartz fiber cloth surface roller coating modified phenolic type vinylite of laying, dosage 200g/
㎡ is rotated clockwise 45 ° of laying directions as third layer quartz fiber cloth, is paved on the basis of 0 ° of laying prime direction
Pattern has the type chamber of (16), in the good quartz fiber cloth surface roller coating modified phenolic type vinylite of laying, dosage 200g/
㎡ is rotated clockwise 67.5 ° of laying directions as the 4th layer of quartz fiber cloth, is paved on the basis of 0 ° of laying prime direction
The type chamber of molding die (16), in the good quartz fiber cloth surface roller coating modified phenolic type vinylite of laying, dosage is
200g/㎡；Each one layer of quartz fiber cloth in 0 °, 22.5 °, 45 ° and 67.5 ° of laying direction is laying circulation, by one or
Multiple laying circulations, available desired Laminate construction thickness；
Recombination process
Step 5: laying pre-made core layer: two layers of methacrylimide foaming plate surface difference roller coating of pre-setting is modified
Phenol aldehyde type vinylite, dosage are 100g/ ㎡, and the side that first layer methacrylimide foaming plate is slotted is aligned to
Pattern has (16) laying, is paved with the type chamber of molding die (16), and prefabricated polycrystalline alumina fiber is enhanced SiO2Aeroge is multiple
It is sub- to be laid in first layer methacryl according to the cavity positions of molding die (16) with a thickness of 1~3mm for condensation material thermal insulation layer
The side of second layer methacrylimide foaming plate unslotted is aligned to pattern tool (16) paving by amine foaming plate surface
It puts, is paved with the type chamber of molding die (16)；
Step 6: preparing inner surface quartz fiber cloth enhancing modified phenolic type vinylite structure sheaf and inner surface quartz fibre
Cloth enhances modified phenolic type vinylite structure sheaf: the surfaces externally and internally structure sheaf resin gel time controls in 30~90min；
Step 7: laying vacuum aided material layer: in inner surface structure layer surface successively laying polyester fiber release cloth (12) one
Layer, inhales (10) one layers of rubber mat, first layer polyamide vacuum bag film (13), (9) one layers of the surface E30 felt, the at (11) one layers of isolation film
First layer, second layer polyamide vacuum bag film are successively sticked to by two strata amide vacuum bag films (14) using Special sealing rubber strip
On molding die (16) sealing surface, guarantee leakproofness, respectively the pre-buried vacuum tube in first layer, second layer polyamide vacuum bag film
(15) several, carry out vacuumizing solidification after laying vacuum aided material layer laying, vacuum pressure need to reach -0.06MPa
~-0.1MPa, 25 DEG C of solidification temperature room temperature, curing time 24 hours；
Step 8: after secondary finished product solidifies: the product that normal temperature cure finishes gradually removes vacuum aided material layer, by product in mould
Solidify after being carried out under state, cooled to room temperature after 190~200 DEG C of heating rates of solidification temperature 1 DEG C/min, constant temperature 12h；
Step 9: preparing inner surface fluorine carbon fungus resistant coating: after finished product solidification, inner surface needs to be cleaned with alcohol, sprays fluorine
Carbon fungus resistant coating, 200 μm~250 μm of coating layer thickness, progress coating heat cure after spraying, 90~100 DEG C of solidification temperature, Gu
Change 5~6h of time.
10. a kind of carrier-borne high temperature resistant heat insulation antenna house according to claim 9, it is characterised in that: selected in the step 4
Take 0 ° of laying prime direction of benchmark for the laying prime direction of molding die.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110342913A (en) * | 2019-06-28 | 2019-10-18 | 湖北三江航天江北机械工程有限公司 | The preparation method of ceramic base A type interlayer wave transparent antenna house |
| CN112960104A (en) * | 2021-03-15 | 2021-06-15 | 上海机电工程研究所 | Construction method and system for reducing thickness of heat-proof coating of aircraft radome in thermal environment |
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| CN101630774A (en) * | 2009-08-07 | 2010-01-20 | 北京玻钢院复合材料有限公司 | Glass steel radar cover single element and forming method thereof |
| CN103101262A (en) * | 2013-02-19 | 2013-05-15 | 中国人民解放军国防科学技术大学 | High temperature-resistant and heat insulating sandwich structure composite material and preparation method thereof |
| CN108521016A (en) * | 2018-04-13 | 2018-09-11 | 哈尔滨哈玻拓普复合材料有限公司 | A kind of D shipborne radar cover and its manufacturing method |
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| CN101630774A (en) * | 2009-08-07 | 2010-01-20 | 北京玻钢院复合材料有限公司 | Glass steel radar cover single element and forming method thereof |
| CN103101262A (en) * | 2013-02-19 | 2013-05-15 | 中国人民解放军国防科学技术大学 | High temperature-resistant and heat insulating sandwich structure composite material and preparation method thereof |
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| CN110342913A (en) * | 2019-06-28 | 2019-10-18 | 湖北三江航天江北机械工程有限公司 | The preparation method of ceramic base A type interlayer wave transparent antenna house |
| CN110342913B (en) * | 2019-06-28 | 2021-11-09 | 湖北三江航天江北机械工程有限公司 | Preparation method of ceramic-based A-type interlayer wave-transparent radome |
| CN112960104A (en) * | 2021-03-15 | 2021-06-15 | 上海机电工程研究所 | Construction method and system for reducing thickness of heat-proof coating of aircraft radome in thermal environment |
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| CN109818148B (en) | 2020-10-27 |
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