CN102683850B - Fiberglass radome and preparation method thereof - Google Patents
Fiberglass radome and preparation method thereof Download PDFInfo
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- CN102683850B CN102683850B CN201210133074.3A CN201210133074A CN102683850B CN 102683850 B CN102683850 B CN 102683850B CN 201210133074 A CN201210133074 A CN 201210133074A CN 102683850 B CN102683850 B CN 102683850B
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- 239000011152 fibreglass Substances 0.000 title claims abstract description 64
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- 239000011521 glass Substances 0.000 claims abstract description 56
- 229920005989 resin Polymers 0.000 claims abstract description 24
- 239000011347 resin Substances 0.000 claims abstract description 24
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 21
- 239000000057 synthetic resin Substances 0.000 claims abstract description 21
- 229920001187 thermosetting polymer Polymers 0.000 claims abstract description 21
- 238000012986 modification Methods 0.000 claims abstract description 15
- 230000004048 modification Effects 0.000 claims abstract description 15
- 239000003365 glass fiber Substances 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 239000002002 slurry Substances 0.000 claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 9
- 150000001875 compounds Chemical class 0.000 claims abstract description 8
- 238000003860 storage Methods 0.000 claims abstract description 8
- 238000000465 moulding Methods 0.000 claims abstract description 5
- 238000007598 dipping method Methods 0.000 claims abstract description 4
- 239000000284 extract Substances 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 238000007493 shaping process Methods 0.000 claims abstract description 4
- 238000004513 sizing Methods 0.000 claims abstract description 4
- 239000004033 plastic Substances 0.000 claims description 13
- 229920003023 plastic Polymers 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 9
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical group [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000007822 coupling agent Substances 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- 229920006337 unsaturated polyester resin Polymers 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 4
- 229920001568 phenolic resin Polymers 0.000 claims description 4
- 238000006424 Flood reaction Methods 0.000 claims description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 3
- 239000005011 phenolic resin Substances 0.000 claims description 3
- 229920001567 vinyl ester resin Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 1
- 239000004744 fabric Substances 0.000 description 5
- 239000000835 fiber Substances 0.000 description 4
- 239000012779 reinforcing material Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 2
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920006324 polyoxymethylene Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000005007 epoxy-phenolic resin Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 150000002460 imidazoles Chemical class 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000002990 reinforced plastic Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
- 229920006305 unsaturated polyester Polymers 0.000 description 1
Landscapes
- Details Of Aerials (AREA)
- Reinforced Plastic Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses fiberglass radome and preparation method thereof.Fiberglass radome comprises the raw material of following mass fraction: thermosetting synthesis 100 parts, tree; Glass microballoon 0.3 ~ 1.8 part; Release agent 0.6 ~ 1.9 part; 0.5 ~ 4 part, curing agent.Preparation method comprises: thermoset synthetic resin solution and glass microballoon are uniformly mixed and form required slurry, and insert in resin storage tank by slurry; From the glass fiber yarn creel, extract loose thread out, flood through in the resin storage tank filling slurry after thread board arrangement; With the divided glass fibrofelt extracted out from felt frame, the glass fiber yarn of dipping sizing agent is clamped; Felt yarn compound is imported in mould, and heating makes felt yarn compound curing molding; Pull out shaping radome assembly by draw-gear from mould outlet and be assembled into fiberglass radome.The present invention adds glass microballoon in resin, improves mechanical strength, reduces dielectric loss and cost, strengthens wave transmission effect.Surface modification treatment is done to fibrofelt and glass microballoon, strengthens adhesion to each other.
Description
Technical field
The present invention relates to Meta Materials technical field, more particularly, relate to fiberglass radome and preparation method thereof.
Background technology
Fiberglass formal name used at school fiberglass reinforced plastics.It as reinforcing material, makes a kind of composite material of basis material using glass fibre and goods (glass cloth, band, felt, yarn etc.) thereof with synthetic resin.Because its intensity is equivalent to steel, again containing glass ingredient, also there is the such color and luster of glass, body, corrosion-resistant, electric insulation, the performance such as heat insulation, be therefore called " fiberglass ".Fiberglass refers generally to glass fiber reinforcement unsaturated polyester, epoxy resin and phenolic resin as matrix resin.Because used resin variety is different, therefore there is the title of organic toughened glass, fiber glass epoxy, phenolic fiberglass reinforced plastics.Because raw-material selection, article construction design and forming method etc. all have the larger degree of freedom, so glass fiber reinforced plastics product performance is subject to the impact of several factors.First, the intensity, chemical stability etc. of the intensity of reinforcing material, modulus of elasticity, basis material are all the decisive factors affecting fiberglass performance; Secondly, content extremely ply sequence, the direction of reinforcing material, the interfacial viscosity situation of reinforcing material and basis material is also the principal element affecting its performance.Along with industrial expansion and science and technology improve constantly and the application of fiberglass constantly expands, people are also more and more higher to fiberglass performance requirement.The dielectric constant of traditional glass steel and loss are all relatively large, limit the extensive use of fiberglass at electromagnetic arts, in order to give full play to the superiority of the complex effect of fiberglass, are necessary to carry out modification to meet the performance requirement of electromagnetic arts to fiberglass.
Summary of the invention
The technical problem to be solved in the present invention is, for the above-mentioned traditional glass steel dielectric constant of prior art and loss large, the defect of electromagnetic arts performance requirement cannot be met, fiberglass radome that wave penetrate capability is good and preparation method thereof is provided.
The technical scheme that the present invention solves the employing of its technical problem is, a kind of fiberglass radome is provided, comprise multiple radome assembly and the plastic fastening for being connected described multiple radome assembly, described plastic fastening is different from the material of described radome assembly, and described multiple radome assembly is formed by the raw material of following mass fraction respectively:
In the fiberglass radome described in invention, in described raw material, also comprise the promoter of 0.5 ~ 2 part.
In the fiberglass radome described in invention, described glass microballoon is hollow glass micropearl, and the particle size range of described hollow glass micropearl is 10-250 micron.
In the fiberglass radome described in invention, described thermoset synthetic resin solution is made up of one or more in unsaturated polyester resin, epoxy resin, phenolic resins, furane resins, vinyl ester resin.
In the fiberglass radome described in invention, also comprising toner in described raw material.
The present invention also provides the preparation method of another kind of fiberglass radome, for the preparation of fiberglass radome mentioned above, comprises the following steps:
S1: thermoset synthetic resin solution and glass microballoon are uniformly mixed and form required slurry, and insert in resin storage tank by described slurry, wherein glass microballoon quality is 0.3% to 1.8% of thermoset synthetic resin quality;
S2: extract loose thread out from the glass fiber yarn creel, floods through in the resin storage tank filling slurry after thread board arrangement;
S3: the glass fiber yarn of dipping sizing agent is clamped with the divided glass fibrofelt extracted out from felt frame;
S4: felt yarn compound is imported in mould, and heating makes felt yarn compound curing molding;
S5: pull out shaping radome assembly from mould outlet by draw-gear;
S6: connect multiple described radome assembly to form the fiberglass radome with given shape by multiple plastic fastening, described plastic fastening is different from the material of described radome assembly.
In the preparation method of fiberglass radome of the present invention, described glass microballoon is through modification, and described modification mode is soda acid etch processes, coupling agent treatment or coating process.
In the preparation method of fiberglass radome of the present invention, before step S1, also comprise the step of glass mat being carried out to surface modification treatment.
In the preparation method of fiberglass radome of the present invention, be soda acid etch processes, coupling agent treatment or coating process to the surface modification treatment mode of glass mat.
In the preparation method of fiberglass radome of the present invention, the heating-up temperature of step S4 is 130-150 degree Celsius.
Adopting technical scheme of the present invention to have following beneficial effect: by increasing the filler of such as glass microballoon in thermoset synthetic resin, mechanical property can not only be improved, increase toughness, reducing costs, but also can dielectric loss be reduced.In addition surface modification treatment is carried out to fiber cloth, thus strengthen the adhesion between resin and fiber cloth; And modification is carried out to glass microballoon, improve the interface binding power of glass microballoon and interlaminar resin and the dispersiveness of glass microballoon, strengthen the adhesion between resin and glass microballoon, improve the wave penetrate capability of radome.
Accompanying drawing explanation
Fig. 1 is the process chart of the preparation method of the fiberglass radome of foundation one embodiment of the invention.
Embodiment
The invention provides a kind of fiberglass radome, fiberglass radome comprises the raw material of following mass fraction:
In a preferred embodiment, in fiberglass, the number of glass microballoon can elect 0.3 part, 0.5 part, 0.7 part, 0.8 part, 0.9 part, 1.0 parts, 1.2 parts, 1.4 parts, 1.5 parts, 1.6 parts, 1.7 parts, 1.8 parts as.Choosing of thermoset synthetic resin can see mentioned above, preferred unsaturated polyester resin, epoxy resin etc.Curing agent and promoter can select suitable curing system according to resin.
Test the present invention adopts electric property and the mechanical performance of the Beautified radome obtained during the glass microballoon of different quality ratio, and test frequency is 1.7GHz, and thickness is 4mm, and its result is as following table:
As can be seen from the above results, when to account for thermoset synthetic resin mass percent be 0.3%-1.8% to glass microballoon quality, its mechanical performance and electric property are all better.Wherein glass microballoon quality accounts for when thermoset synthetic resin mass percent is 1.0%-1.8% is preferred version of the present invention.
In the present invention, in raw material, also comprise the promoter of 0.5 ~ 2 part, to accelerate radome solidification.Also colouring agent can be increased according to needs, such as look female powder etc. in raw material.
Glass microballoon is a kind of size small (typical particle size range is 10-250 micron) and the hollow glass spheroid of lightweight, primarily of the composition such as silicon dioxide and alundum (Al2O3), there is the excellent properties such as low heat conduction, sound insulation, high dispersive, electrical insulating property and Heat stability is good.Glass microballoon is cellular after adding described thermoset synthetic resin solution, thus improve the porosity of described thermoset synthetic resin solution, its dielectric constant and loss angle tangent are reduced and makes the rigidity of the fiberglass finally prepared and hardness improve simultaneously.In an embodiment of the present invention, glass microballoon is hollow glass micropearl, and particle size range is 10-180 micron.
Thermoset synthetic resin solution can comprise in unsaturated polyester resin, epoxy resin, phenolic resins, furane resins, vinyl ester resin any one or multiple.Thermoset synthetic resin solution can add other auxiliary material such as initator, promoter, fire retardant, solvent depending on concrete condition.
Different resinous type and consumption, can select different curing systems.In the present embodiment, described thermoset synthetic resin solution is that raw material is prepared with unsaturated polyester resin, can adopt imidazoles curing system or amine-type cure system.
Certainly, except mentioned component, colouring agent can be increased according to needs, such as look female powder etc.
Fig. 1 is the process chart of the preparation method of fiberglass radome of the present invention, and for the preparation of the preparation method of fiberglass radome mentioned above, the preparation method of fiberglass radome comprises the steps:
S1: thermoset synthetic resin solution and glass microballoon are uniformly mixed and form required slurry, and insert in resin storage tank by described slurry, wherein glass microballoon quality is 0.3% to 1.8% of thermoset synthetic resin quality.
The method being uniformly mixed described thermoset synthetic resin and glass microballoon can be churned mechanically mode, such as, utilize the mixer not producing whirlpool, also can adopt the artificial mode stirred, as long as make glass microballoon and thermoset synthetic resin mix.
In order to the dispersiveness of the interface binding power and glass microballoon that improve glass microballoon and interlaminar resin, strengthen the adhesion between resin and glass microballoon, need to carry out modification to glass microballoon, modification mode can be soda acid etch processes, coupling agent treatment or coating process.
S2: extract loose thread out from the glass fiber yarn creel, floods through in the resin storage tank filling slurry after thread board arrangement;
S3: the glass fiber yarn of dipping sizing agent is clamped with the divided glass fibrofelt extracted out from felt frame;
S4: felt yarn compound is imported in mould, and heating makes felt yarn compound curing molding; Heating-up temperature is 130-150 degree Celsius, preferably 140 degrees Celsius.
S5: pull out shaping radome assembly from mould outlet by draw-gear;
S6: connect multiple described radome assembly to form the fiberglass radome with given shape by multiple connector.
In an embodiment of the present invention, in order to strengthen the adhesion between resin and fiber cloth, before step S1, also comprise the step of multiple glass mat being carried out to surface modification treatment, surface treatment mode can be soda acid etch processes, coupling agent treatment or coating process.
Here fiberglass radome mould is the mould that we need the fiberglass radome made, and has certain cross section, and concrete cross sectional shape is identical with the cross sectional shape of the fiberglass radome of actual demand.Such as, need to make flat reinforced plastic plate, so the cross sectional shape of mould is flat square, and thickness is the thickness of fiberglass radome, and width is the width of fiberglass radome.Applied environment is different, and corresponding preset thickness is also just different, if high to requirement of mechanical strength, then thickness requirements is just high.Concrete use how many glass fiber yarns and glass mat, also will consider used glass fiber yarn and the actual (real) thickness of glass mat.For the fiberglass radome that such as 4mm is thick, can use 5 ~ 10 layers of glass fiber yarn and glass mat, certainly concrete use how many fiber cloth, also will consider used glass fiber yarn and the actual (real) thickness of glass mat.
If fiberglass radome to be prepared is complex-shaped, cannot one-shot forming, can first prepare fibre-glass epoxy antenna shade assembly, then by connector, these assemblies be connected, finally obtain required complex-shaped fiberglass radome.
Connector can adopt metal connecting piece or plastic fastening as required.Because the mechanical strength of fiberglass self is enough high, plastic fastening therefore can be adopted to connect each radome assembly, replace metal connecting piece.Plastic fastening can alleviate the weight of metamaterial antenna cover, and greatly can reduce the impact of metal connecting piece on aerial signal loss.In the present invention, plastic fastening can adopt POM (Polyformaldehyde) or ABS (AcrylonitrileButadieneStyrene) plastics to make.
Fiberglass radome of the present invention, has good mechanical strength and electrical property, reduces dielectric loss, improve mechanical property, reduce cost.The radome of preparation has good wave penetrate capability, and loss is less, can be good at the antenna protected therein, strengthens the useful life of antenna.Adopt pultrusion molding process that production efficiency is improved, environmental pollution is little, and quality of item is stablized, and is applicable to large-scale production demand.
By reference to the accompanying drawings embodiments of the invention are described above; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; do not departing under the ambit that present inventive concept and claim protect, also can make a lot of form, these all belong within protection of the present invention.
Claims (10)
1. a fiberglass radome, it is characterized in that, comprise multiple radome assembly and the plastic fastening for being connected described multiple radome assembly, described plastic fastening is different from the material of described radome assembly, and described multiple radome assembly is formed by the raw material of following mass fraction respectively:
2. fiberglass radome as claimed in claim 1, is characterized in that, also comprise the promoter that mass fraction is 0.5 ~ 2 part in described raw material.
3. fiberglass radome as claimed in claim 1, it is characterized in that, described glass microballoon is hollow glass micropearl, and the particle size range of described hollow glass micropearl is 10-250 micron.
4. fiberglass radome as claimed in claim 1, it is characterized in that, described thermoset synthetic resin is made up of one or more in unsaturated polyester resin, epoxy resin, phenolic resins, furane resins, vinyl ester resin.
5. fiberglass radome as claimed in claim 2, is characterized in that, also comprising toner in described raw material.
6. a preparation method for fiberglass radome, for the preparation of the fiberglass radome described in any one of Claims 1 to 5, is characterized in that, comprises the following steps:
S1: thermoset synthetic resin solution and glass microballoon are uniformly mixed and form required slurry, and insert in resin storage tank by described slurry, wherein glass microballoon quality is 0.3% to 1.8% of thermoset synthetic resin quality;
S2: extract loose thread out from the glass fiber yarn creel, floods through in the resin storage tank filling slurry after thread board arrangement;
S3: the glass fiber yarn of dipping sizing agent is clamped with the divided glass fibrofelt extracted out from felt frame;
S4: felt yarn compound is imported in mould, and heating makes felt yarn compound curing molding;
S5: pull out shaping radome assembly from mould outlet by draw-gear;
S6: connect multiple described radome assembly to form the fiberglass radome with given shape by multiple plastic fastening, described plastic fastening is different from the material of described radome assembly.
7. the preparation method of fiberglass radome as claimed in claim 6, it is characterized in that, described glass microballoon is through modification, and described modification mode is soda acid etch processes, coupling agent treatment or coating process.
8. the preparation method of fiberglass radome as claimed in claim 6, is characterized in that, also comprise the step of glass mat being carried out to surface modification treatment before step S1.
9. the preparation method of fiberglass radome as claimed in claim 8, it is characterized in that, be soda acid etch processes, coupling agent treatment or coating process to the surface modification treatment mode of glass mat.
10. the preparation method of fiberglass radome as claimed in claim 6, it is characterized in that, the heating-up temperature of step S4 is 130-150 degree Celsius.
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| CN102875960B (en) * | 2012-09-20 | 2013-10-30 | 常熟市永祥机电有限公司 | Macromolecular composite phenolic aldehyde material filled with glass beads |
| CN102875959B (en) * | 2012-09-20 | 2013-11-20 | 常熟市永祥机电有限公司 | Preparation method for macromolecular composite phenolic aldehyde material filled with glass beads |
| CN103740062B (en) * | 2013-12-19 | 2015-11-18 | 国家电网公司 | Electric power cabinet special glass Steel Facing material |
| CN105130483B (en) * | 2015-06-12 | 2018-03-09 | 湖北三江航天江北机械工程有限公司 | Compound quartz pottery antenna covering cover body compression-molding method and its special compression mould |
| CN105140639B (en) * | 2015-09-17 | 2018-03-06 | 珠海国能新材料股份有限公司 | Fiberglass radome and preparation method thereof |
| CN108493604A (en) * | 2018-06-01 | 2018-09-04 | 埃克赛复合材料（南京）有限公司 | A kind of thermosetting property transverse direction high strength and modulus glass fiber reinforced plastics composite material antenna house |
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| CN101609928A (en) * | 2009-07-16 | 2009-12-23 | 南京华格电汽塑业有限公司 | A kind of fiberglass radome of using the glass microballoon modification and preparation method thereof |
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