CN102683850A - Glass fiber reinforced plastic antenna housing and preparation method thereof - Google Patents
Glass fiber reinforced plastic antenna housing and preparation method thereof Download PDFInfo
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- CN102683850A CN102683850A CN2012101330743A CN201210133074A CN102683850A CN 102683850 A CN102683850 A CN 102683850A CN 2012101330743 A CN2012101330743 A CN 2012101330743A CN 201210133074 A CN201210133074 A CN 201210133074A CN 102683850 A CN102683850 A CN 102683850A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 239000011521 glass Substances 0.000 claims abstract description 59
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 25
- 239000000057 synthetic resin Substances 0.000 claims abstract description 25
- 229920001187 thermosetting polymer Polymers 0.000 claims abstract description 24
- 229920005989 resin Polymers 0.000 claims abstract description 22
- 239000011347 resin Substances 0.000 claims abstract description 22
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 16
- 239000003365 glass fiber Substances 0.000 claims abstract description 16
- 238000012986 modification Methods 0.000 claims abstract description 15
- 230000004048 modification Effects 0.000 claims abstract description 15
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- 238000012545 processing Methods 0.000 claims abstract description 4
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- 239000002253 acid Substances 0.000 claims description 6
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- 238000000429 assembly Methods 0.000 claims description 4
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- 229920001567 vinyl ester resin Polymers 0.000 claims description 3
- HBGPNLPABVUVKZ-POTXQNELSA-N (1r,3as,4s,5ar,5br,7r,7ar,11ar,11br,13as,13br)-4,7-dihydroxy-3a,5a,5b,8,8,11a-hexamethyl-1-prop-1-en-2-yl-2,3,4,5,6,7,7a,10,11,11b,12,13,13a,13b-tetradecahydro-1h-cyclopenta[a]chrysen-9-one Chemical compound C([C@@]12C)CC(=O)C(C)(C)[C@@H]1[C@H](O)C[C@]([C@]1(C)C[C@@H]3O)(C)[C@@H]2CC[C@H]1[C@@H]1[C@]3(C)CC[C@H]1C(=C)C HBGPNLPABVUVKZ-POTXQNELSA-N 0.000 claims description 2
- PFRGGOIBYLYVKM-UHFFFAOYSA-N 15alpha-hydroxylup-20(29)-en-3-one Natural products CC(=C)C1CCC2(C)CC(O)C3(C)C(CCC4C5(C)CCC(=O)C(C)(C)C5CCC34C)C12 PFRGGOIBYLYVKM-UHFFFAOYSA-N 0.000 claims description 2
- SOKRNBGSNZXYIO-UHFFFAOYSA-N Resinone Natural products CC(=C)C1CCC2(C)C(O)CC3(C)C(CCC4C5(C)CCC(=O)C(C)(C)C5CCC34C)C12 SOKRNBGSNZXYIO-UHFFFAOYSA-N 0.000 claims description 2
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- 239000000835 fiber Substances 0.000 abstract 2
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 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
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- 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
- 150000001412 amines Chemical class 0.000 description 1
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
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- 150000002460 imidazoles Chemical class 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a glass fiber reinforced plastic antenna housing and a preparation method thereof. The glass fiber reinforced plastic antenna housing comprises the following raw materials, by mass, 100 parts of thermosetting synthetic resin, 0.3-1.8 parts of glass bead, 0.6-1.9 parts of release agent and 0.5-4 parts of curing agent. The preparation method includes that a thermosetting synthetic resin solution and the glass beads are stirred and mixed to form required slurry, and the slurry is placed in a resin groove. A yarn end is drawn out from glass fiber yarn on a yarn support, and the glass fiber yarn is arranged through a yarn guiding plate to penetrate through the resin groove containing the slurry to be soaked. A plurality of sheets of glass fiber mats drawn out from a mat support clamp the glass fiber yarn soaked in the slurry. Mat yarn composite is led to a mold and heated to be cured and molded. A molded antenna housing assembly is drawn out from a mold outlet through a dragging device and assembled to form the glass fiber reinforced plastic antenna housing. The glass beads are added in the resin, the mechanical strength is improved, dielectric loss and cost are reduced, and wave penetrating effect is improved. Surface modification processing is conducted on the fiber mats and the glass beads, and bond between the fiber mats and the glass beads is improved.
Description
Technical field
The present invention relates to ultra material technology field, more particularly, relate to fiberglass radome and preparation method thereof.
Background technology
Fiberglass formal name used at school fiberglass reinforced plastics.It is as reinforcing material, to make a kind of composite material of basis material with glass fiber and goods (glass cloth, band, felt, yarn etc.) thereof with synthetic resin.Because its intensity is equivalent to steel, contain glass ingredient again, also have the such color and luster of glass, body, corrosion-resistant, electric insulation, performance such as heat insulation, therefore be called in " fiberglass ".Fiberglass refers generally to strengthen unsaturated polyester, epoxy resin and phenolic resin as matrix resin with glass fiber.Because employed resin kind is different, therefore the title of organic toughened glass, fiber glass epoxy, phenolic fiberglass reinforced plastics is arranged.Because raw-material selection, article construction design and forming method etc. all have the bigger degree of freedom, so the glass fiber reinforced plastics product performance receives the influence of several factors.At first, the intensity of the intensity of reinforcing material, modulus of elasticity, basis material, chemical stability etc. all are the decisive factors that influences the fiberglass performance; Secondly, the content of reinforcing material is ply sequence, direction extremely, and the interfacial viscosity situation of reinforcing material and basis material also is the principal element that influences its performance.Along with industrial expansion with science and technology improve constantly and the application of fiberglass constantly enlarges, people are also increasingly high to the fiberglass performance requirement.The dielectric constant of traditional glass steel and loss are all relatively large, have limited fiberglass in the electromagnetism extensive applications, and the superiority for the complex effect of giving full play to fiberglass is necessary fiberglass is carried out modification to satisfy the performance requirement in electromagnetism field.
Summary of the invention
The technical problem that the present invention will solve is, and is big to the above-mentioned traditional glass steel dielectric constant and the loss of prior art, can't satisfy the defective of electromagnetism field performance requirement, and good fiberglass radome of wave penetrate capability and preparation method thereof is provided.
The present invention solves the technical scheme that its technical problem adopts, and a kind of fiberglass radome is provided, and comprises the raw material of following mass fraction:
100 parts of thermoset synthetic resins;
0.3～1.8 part of glass microballoon;
0.6～1.9 part of release agent;
0.5～4 part in curing agent.
In the described fiberglass radome of invention, also comprise 0.5～2 part promoter in the said raw material.
In the described fiberglass radome of invention, said glass microballoon is a hollow glass micropearl, and the particle size range of said hollow glass micropearl is the 10-250 micron.
In the described fiberglass radome of invention, said thermoset synthetic resin solution is made up of in unsaturated polyester resin, epoxy resin, phenolic resins, furane resins, the vinyl ester resin one or more.
In the described fiberglass radome of invention, also comprise colouring agent in the said raw material.
The present invention also provides the preparation method of another kind of fiberglass radome, is used to prepare fiberglass radome mentioned above, may further comprise the steps:
S1: thermoset synthetic resin solution and glass microballoon are mixed the required slurry of formation, and said slurry is inserted in the resin storage tank, wherein the glass microballoon quality is 0.3% to 1.8% of a thermoset synthetic resin quality;
S2: extract loose thread out the glass fiber yarn from creel, after the guide plate is arranged, pass in the resin storage tank that fills slurry and flood;
S3: use the glass fiber yarn clamping of the multi-disc glass mat extracted out from the felt frame with dipping sizing agent;
S4: felt yarn compound is imported in the mould, and heating makes felt yarn compound curing molding;
S5: the radome assembly of pulling out moulding through draw-gear from mould outlet;
S6: connect a plurality of said radome assemblies have given shape with formation fiberglass radome through a plurality of connectors.
In the preparation method of fiberglass radome of the present invention, said glass microballoon is handled through modification, and said modification processing mode is that soda acid etch processes, coupling agent treatment or coating are handled.
In the preparation method of fiberglass radome of the present invention, before step S1, also comprise the step of glass mat being carried out surface modification treatment.
In the preparation method of fiberglass radome of the present invention, be that soda acid etch processes, coupling agent treatment or coating are handled 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 centigrade.
Adopt technical scheme of the present invention to have following beneficial effect: through in thermoset synthetic resin, increasing the for example filler of glass microballoon, not only can improve mechanical property, increase toughness, reduce cost, but also can reduce dielectric loss.In addition cloth is carried out surface modification treatment, thereby strengthen the adhesion between resin and the cloth; And glass microballoon is carried out modification handle, improve the dispersiveness of the interface binding power and the glass microballoon of glass microballoon and interlaminar resin, strengthen the adhesion between resin and the glass microballoon, improved the wave penetrate capability of radome.
Description of drawings
Fig. 1 is the process chart according to the preparation method of the fiberglass radome of one embodiment of the invention.
Embodiment
The present invention provides a kind of fiberglass radome, and fiberglass radome comprises the raw material of following mass fraction:
100 parts of thermoset synthetic resins;
0.3～1.8 part of glass microballoon;
0.6～1.9 part of release agent;
0.5～4 part in curing agent.
In a preferred embodiment, the umber of glass microballoon can be elected 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 in the fiberglass.Choosing of thermoset synthetic resin can be referring to mentioned above, preferred unsaturated polyester resin, epoxy resin etc.Curing agent and promoter can be selected suitable curing system according to resin.
The electric property and the mechanical performance of the embellished antenna cover that test the present invention makes when adopting the glass microballoon of different quality ratio, test frequency is 1.7GHz, thickness is 4mm, its result such as following table:
Can find out that from above result when the glass microballoon quality accounted for the thermoset synthetic resin mass percent and is 0.3%-1.8%, its mechanical performance and electric property were all better.Be preferred version of the present invention when wherein the glass microballoon quality accounts for the thermoset synthetic resin mass percent for 1.0%-1.8%.
Among the present invention, also comprise 0.5～2 part promoter in the raw material, solidify to quicken radome.Also can increase colouring agent in the raw material, for example the female powder of look etc. according to needs.
Glass microballoon is the hollow glass spheroid of a kind of size small (typical particle size range is the 10-250 micron) and lightweight; Mainly form, have excellent properties such as low heat conduction, sound insulation, high dispersive, electrical insulating property and Heat stability is good by silicon dioxide and alundum (Al etc.Glass microballoon is cellular after adding said thermoset synthetic resin solution; Thereby improved the porosity of said thermoset synthetic resin solution, its dielectric constant and loss angle tangent have been reduced and the rigidity and the hardness raising of the feasible fiberglass that finally prepares simultaneously.In an embodiment of the present invention, glass microballoon is a hollow glass micropearl, and particle size range is the 10-180 micron.
Thermoset synthetic resin solution can comprise in unsaturated polyester resin, epoxy resin, phenolic resins, furane resins, the vinyl ester resin any one or multiple.Thermoset synthetic resin solution is looked concrete condition can add other auxiliary material such as initator, promoter, fire retardant, solvent.
Different resinous type and consumption can be selected different curing systems for use.In the present embodiment, said thermoset synthetic resin solution is to be preparation of raw material with the unsaturated polyester resin, can adopt imidazoles curing system or amine curing system.
Certainly, except mentioned component, can increase colouring agent, for example the female powder of look etc. according to needs.
Fig. 1 is the preparation method's of fiberglass radome of the present invention process chart, is used to prepare the preparation method of fiberglass radome mentioned above, and the preparation method of fiberglass radome comprises the steps:
S1: thermoset synthetic resin solution and glass microballoon are mixed the required slurry of formation, and said slurry is inserted in the resin storage tank, wherein the glass microballoon quality is 0.3% to 1.8% of a thermoset synthetic resin quality.
The method that mixes said thermoset synthetic resin and glass microballoon can be churned mechanically mode, for example utilizes the mixer that does not produce whirlpool, also can adopt the mode of manual stirring, as long as make glass microballoon and thermoset synthetic resin mix.
For the interface binding power that improves glass microballoon and interlaminar resin and the dispersiveness of glass microballoon; Strengthen the adhesion between resin and the glass microballoon; Need carry out modification to glass microballoon and handle, the modification processing mode can be that soda acid etch processes, coupling agent treatment or coating are handled.
S2: extract loose thread out the glass fiber yarn from creel, after the guide plate is arranged, pass in the resin storage tank that fills slurry and flood;
S3: use the glass fiber yarn clamping of the multi-disc glass mat extracted out from the felt frame with dipping sizing agent;
S4: felt yarn compound is imported in the mould, and heating makes felt yarn compound curing molding; Heating-up temperature is 130-150 degree centigrade, preferred 140 degrees centigrade.
S5: the radome assembly of pulling out moulding through draw-gear from mould outlet;
S6: connect a plurality of said radome assemblies have given shape with formation fiberglass radome through a plurality of connectors.
In an embodiment of the present invention; In order to strengthen the adhesion between resin and the cloth; Comprised also that before step S1 the step of a plurality of glass mats being carried out surface modification treatment, surface treatment mode can be that soda acid etch processes, coupling agent treatment or coating are handled.
The fiberglass radome mould here is the mould of the fiberglass radome that we need process, and has certain cross section, and concrete cross sectional shape is identical with the cross sectional shape of the fiberglass radome of actual demand.For example, need process flat reinforced plastic plate, the cross sectional shape of mould is flat square so, 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 the thickness demand is just high.Specifically use how many glass fiber yarns and glass mat, also will consider the actual (real) thickness of employed glass fiber yarn and glass mat.For the thick fiberglass radome of for example 4mm, can use 5～10 layers of glass fiber yarn and glass mat, specifically use how many cloth certainly, also to consider the actual (real) thickness of employed glass fiber yarn and glass mat.
If the fiberglass radome that will prepare complex-shaped, can't one-shot forming, can prepare the fibre-glass epoxy antenna shade assembly earlier, through connector these assemblies are connected then, 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, therefore can adopt plastic fastening to connect each radome assembly, replace metal connecting piece.Plastic fastening can alleviate the weight of ultra material radome, and can reduce the influence of metal connecting piece to the aerial signal loss greatly.Among the present invention, plastic fastening can adopt POM (Polyformaldehyde) or ABS (Acrylonitrile Butadiene Styrene) plastics to process.
Fiberglass radome of the present invention has good mechanical strength and electrical property, has reduced dielectric loss, has improved mechanical property, has reduced cost.The radome of preparation has good wave penetrate capability, and loss is less, can be good at protecting the antenna of portion within it, the useful life of enhance antenna.Adopt pultrusion molding process to make production efficiency improve, environmental pollution is little, and quality of item is stable, is fit to the large-scale production demand.
Combine accompanying drawing that embodiments of the invention are described above; But the present invention is not limited to above-mentioned embodiment, and above-mentioned embodiment only is schematically, rather than restrictive; Those of ordinary skill in the art is under enlightenment of the present invention; Not breaking away under the scope situation that aim of the present invention and claim protect, also can make a lot of forms, these all belong within the protection of the present invention.
Claims (10)
1. a fiberglass radome is characterized in that, comprises the raw material of following mass fraction:
100 parts of thermoset synthetic resins;
0.3～1.8 part of glass microballoon;
0.6～1.9 part of release agent;
0.5～4 part in curing agent.
2. fiberglass radome as claimed in claim 1 is characterized in that, also comprises 0.5～2 part promoter in the said raw material.
3. fiberglass radome as claimed in claim 1 is characterized in that, said glass microballoon is a hollow glass micropearl, and the particle size range of said hollow glass micropearl is the 10-250 micron.
4. fiberglass radome as claimed in claim 1 is characterized in that, said thermoset synthetic resin solution is made up of in unsaturated polyester resin, epoxy resin, phenolic resins, furane resins, the vinyl ester resin one or more.
5. fiberglass radome as claimed in claim 2 is characterized in that, also comprises colouring agent in the said raw material.
6. the preparation method of a fiberglass radome is used to prepare each described fiberglass radome of claim 1～5, it is characterized in that, may further comprise the steps:
S1: thermoset synthetic resin solution and glass microballoon are mixed the required slurry of formation, and said slurry is inserted in the resin storage tank, wherein the glass microballoon quality is 0.3% to 1.8% of a thermoset synthetic resin quality;
S2: extract loose thread out the glass fiber yarn from creel, after the guide plate is arranged, pass in the resin storage tank that fills slurry and flood;
S3: use the glass fiber yarn clamping of the multi-disc glass mat extracted out from the felt frame with dipping sizing agent;
S4: felt yarn compound is imported in the mould, and heating makes felt yarn compound curing molding;
S5: the radome assembly of pulling out moulding through draw-gear from mould outlet;
S6: connect a plurality of said radome assemblies have given shape with formation fiberglass radome through a plurality of connectors.
7. the preparation method of fiberglass radome as claimed in claim 6 is characterized in that, said glass microballoon is handled through modification, and said modification processing mode is that soda acid etch processes, coupling agent treatment or coating are handled.
8. the preparation method of fiberglass radome as claimed in claim 6 is characterized in that, before step S1, also comprises the step of glass mat being carried out surface modification treatment.
9. the preparation method of fiberglass radome as claimed in claim 8 is characterized in that, is that soda acid etch processes, coupling agent treatment or coating are handled to the surface modification treatment mode of glass mat.
10. the preparation method of fiberglass radome as claimed in claim 6 is characterized in that, the heating-up temperature of step S4 is 130-150 degree centigrade.
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| CN105130483A (en) * | 2015-06-12 | 2015-12-09 | 湖北三江航天江北机械工程有限公司 | Composite quartz ceramic radome body compression molding method and dedicated compression mold |
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