CN109054326A - A kind of low-k DK-3 fiberglass radome - Google Patents
A kind of low-k DK-3 fiberglass radome Download PDFInfo
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- CN109054326A CN109054326A CN201810563912.8A CN201810563912A CN109054326A CN 109054326 A CN109054326 A CN 109054326A CN 201810563912 A CN201810563912 A CN 201810563912A CN 109054326 A CN109054326 A CN 109054326A
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- fiberglass radome
- weight ratio
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/06—Unsaturated polyesters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of low-k DK-3 fiberglass radome, raw material includes: 20-30 parts of unsaturated polyester resin, 30-40 parts of glass fibre, 15-20 parts of calcium powder, 5-8 parts of PE powder, 1-2 parts of lubricant, 0.5-1 parts of anti ultraviolet agent according to parts by weight.The present invention provides a kind of low-k DK-3 fiberglass radome, and dielectric constant 3.0 ± 0.3, excellent in mechanical performance is low in cost, and technological operation is easy, is suitble to pultrusion or winding process large-scale production.
Description
Technical field
The invention belongs to glass fiber reinforced plastics composite material technical fields, and in particular to a kind of low-k DK-3 fibre-glass epoxy antenna
Cover, especially a kind of 3.0 ± 0.3 glass fiber reinforced plastics composite material antenna house of thermosetting property low-k.
Background technique
Present country's fiberglass radome reaches its maturity with telecommunications industry high speed development, 3G/4G epoch fibre-glass epoxy antenna
Cover greatly develops low-cost high-performance antenna cover, and low-k low-dielectric loss, currently universal thermosetting property antenna house dielectric is normal
Number universal 4.0 ± 0.3 or so, and the 4G/4G+ epoch can be beneficial to the transmission of antenna house signal to the reduction of antenna house dielectric properties, such as
What prepares a kind of low price electric constant, and the fiberglass radome composite material of excellent in mechanical performance is to need the technology solved to ask at present
Topic.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of low-k DK-3 glass
Glass steel antenna house, dielectric constant 3.0 ± 0.3, excellent in mechanical performance is low in cost, and technological operation is easy, is suitble to pultrusion or twines
Winding technologe large-scale production.
Technical solution: to achieve the above object, the present invention adopts the following technical scheme:
A kind of low-k DK-3 fiberglass radome, raw material include: according to parts by weight
Further, the unsaturated polyester resin is O-phthalic acid type, M-phthalic acid type, bisphenol A-type and ethylene
Any one in base ester type, halogenated unsaturated polyester resin, or the mixture formed according to weight ratio 1:2:1:2:2.
Further, the glass fibre is specially ECR glass fibre；The tensile strength 2300- of impregnated glass fibre
2700Mpa and extension at break are stretch modulus 40-45Gpa.
Further, the calcium powder is 400 mesh of calcium powder.
Further, the density of the PE powder is 0.94-0.96g/cm3。
Further, the lubricant is microcrystalline wax, butyl stearate and polyethylene wax according to weight ratio 10:(5-7):
The mixture of (3-5) composition.
Further, the anti ultraviolet agent is plastic ultraviolet absorbent, and a length of 270-380 of the ultraviolet light wave of absorption receives
Rice.
Further, the anti ultraviolet agent is by salicylic acid esters, benzophenone class, benzotriazole, group-substituted acrylonitrile, triazine
Class and hindered amines are mixed according to weight ratio for 1:1:2:1:0.5:0.5.
Further, the catalyst is methyl isobutyl ketone peroxide and the ethylhexanoate tert-butyl ester according to weight
Than the mixture of 1:1 composition.
Unsaturated polyester resin is most common one kind in thermosetting resin, it is by monounsaturated dicarboxylic acid, unsaturated binary
Line polymer made of acid and dihydric alcohol polycondensation, diluted by cross-linking monomer or active solvent to be formed with certain viscosity
Resin solution, abbreviation UPR.The relative density of unsaturated polyester resin at 1.11~1.20 or so, solidification cubical contraction compared with
Greatly, some physical properties of solidified resin are as follows: heat resistance, mechanical property be strong, chemical corrosion resistance and dielectric properties are good.
Glass fibre is a kind of inorganic non-metallic material haveing excellent performance, and advantage is that good insulating, heat resistance are strong, anticorrosive
The good, high mechanical strength of property, glass fibre are typically used as the reinforcing material in composite material, electrically insulating material and adiabatic heat-insulation material
Material, the national economy every field such as circuit substrate.Glass fibre as reinforced plastics supporting material in application, maximum feature
It is that tensile strength is big.Tensile strength is 6.3~6.9g/d, 5.4~5.8g/d of moisture state in normal conditions.Density 2.54g/
cm3.It is heat-resist, intensity is not influenced when temperature is up to 300 DEG C, has excellent electrical insulating property, is advanced electrically insulating material,
For heat-insulating material and fire-proof shield material.
PE powder, that is, polyethylene powders, as the low structuring additive (LPA) of thermosetting resin/composite material, in glass reinforced plastic
(FRP) industry is widely applied: for SMC (sheet molding compound), necessity of BMC/DMC (tubular molding compound) and pultrusion
Additive, effect in these molding processes are as follows: improve dimensional stability, enhancing mechanical performance, improve surface quality, promote
Pigment dispersion, reduces stress cracking, reduces moisture absorption the formation for improving resistance to low temperature, reducing micro-crack.
Lubricant can also play melting promotor, prevent adhesion and antistatic agent, slipping agent etc. are made other than improving mobility
With.
The utility model has the advantages that a kind of low-k DK-3 fiberglass radome of the invention, compared with prior art, have with
Lower advantage: the present invention provides a kind of glass with low dielectric constant steel antenna house, dielectric constant 3.0 ± 0.3, excellent in mechanical performance, at
This is cheap, and technological operation is easy, is suitble to pultrusion or winding process large-scale production.
Specific embodiment
Below with reference to embodiment, the present invention will be further explained.
Embodiment 1
Raw material includes: according to parts by weight
Wherein, unsaturated polyester resin is O-phthalic acid type, M-phthalic acid type, bisphenol A-type and vinyl ester type, halogen
The mixture formed for unsaturated polyester resin according to weight ratio 1:2:1:2:2.
Preferably, glass fibre is specially ECR glass fibre；The tensile strength 2300-2700Mpa of impregnated glass fibre and
Extension at break is stretch modulus 40-45Gpa.
Preferably, calcium powder is 400 mesh of calcium powder.
Preferably, the density of PE powder is 0.94-0.96g/cm3。
Preferably, lubricant is that microcrystalline wax, butyl stearate and polyethylene wax are mixed according to what weight ratio 10:6:3 was formed
Close object.
Preferably, anti ultraviolet agent is plastic ultraviolet absorbent, and the ultraviolet light wave of absorption is 270-380 nanometers a length of.
Preferably, anti ultraviolet agent by salicylic acid esters, benzophenone class, benzotriazole, group-substituted acrylonitrile, triazines with by
Hindered amine is mixed according to weight ratio for 1:1:2:1:0.5:0.5.
Catalyst is that methyl isobutyl ketone peroxide and the ethylhexanoate tert-butyl ester are mixed according to what weight ratio 1:1 was formed
Close object.
The fiberglass radome that the present embodiment obtains, dielectric constant 3.02.
Embodiment 2
Raw material includes: according to parts by weight
Wherein, unsaturated polyester resin is O-phthalic acid type resin.
Preferably, glass fibre is specially ECR glass fibre；The tensile strength 2300-2700Mpa of impregnated glass fibre and
Extension at break is stretch modulus 40-45Gpa.
Preferably, calcium powder is 400 mesh of calcium powder.
Preferably, the density of PE powder is 0.94-0.96g/cm3。
Preferably, lubricant is that microcrystalline wax, butyl stearate and polyethylene wax are mixed according to what weight ratio 10:5:3 was formed
Close object.
Preferably, anti ultraviolet agent is plastic ultraviolet absorbent, and the ultraviolet light wave of absorption is 270-380 nanometers a length of.
Preferably, anti ultraviolet agent by salicylic acid esters, benzophenone class, benzotriazole, group-substituted acrylonitrile, triazines with by
Hindered amine is mixed according to weight ratio for 1:1:2:1:0.5:0.5.
Catalyst is that methyl isobutyl ketone peroxide and the ethylhexanoate tert-butyl ester are mixed according to what weight ratio 1:1 was formed
Close object.
The fiberglass radome that the present embodiment obtains, dielectric constant 2.81.
Embodiment 3
Raw material includes: according to parts by weight
Wherein, unsaturated polyester resin is halogenated unsaturated polyester resin.
Preferably, glass fibre is specially ECR glass fibre；The tensile strength 2300-2700Mpa of impregnated glass fibre and
Extension at break is stretch modulus 40-45Gpa.
Preferably, calcium powder is 400 mesh of calcium powder.
Preferably, the density of PE powder is 0.94-0.96g/cm3。
Preferably, lubricant is that microcrystalline wax, butyl stearate and polyethylene wax are mixed according to what weight ratio 10:6:4 was formed
Close object.
Preferably, anti ultraviolet agent is plastic ultraviolet absorbent, and the ultraviolet light wave of absorption is 270-380 nanometers a length of.
Preferably, anti ultraviolet agent by salicylic acid esters, benzophenone class, benzotriazole, group-substituted acrylonitrile, triazines with by
Hindered amine is mixed according to weight ratio for 1:1:2:1:0.5:0.5.
Catalyst is that methyl isobutyl ketone peroxide and the ethylhexanoate tert-butyl ester are mixed according to what weight ratio 1:1 was formed
Close object.
The fiberglass radome that the present embodiment obtains, dielectric constant 3.27.
Embodiment 4
Raw material includes: according to parts by weight
Wherein, unsaturated polyester resin is vinyl ester type resin.
Preferably, glass fibre is specially ECR glass fibre；The tensile strength 2300-2700Mpa of impregnated glass fibre and
Extension at break is stretch modulus 40-45Gpa.
Preferably, calcium powder is 400 mesh of calcium powder.
Preferably, the density of PE powder is 0.94-0.96g/cm3。
Preferably, lubricant is that microcrystalline wax, butyl stearate and polyethylene wax are mixed according to what weight ratio 10:7:5 was formed
Close object.
Preferably, anti ultraviolet agent is plastic ultraviolet absorbent, and the ultraviolet light wave of absorption is 270-380 nanometers a length of.
Preferably, anti ultraviolet agent by salicylic acid esters, benzophenone class, benzotriazole, group-substituted acrylonitrile, triazines with by
Hindered amine is mixed according to weight ratio for 1:1:2:1:0.5:0.5.
Catalyst is that methyl isobutyl ketone peroxide and the ethylhexanoate tert-butyl ester are mixed according to what weight ratio 1:1 was formed
Close object.
The fiberglass radome that the present embodiment obtains, dielectric constant 3.05.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of low-k DK-3 fiberglass radome, it is characterised in that: raw material includes: according to parts by weight
2. low-k DK-3 fiberglass radome according to claim 1, it is characterised in that: the unsaturated polyester (UP)
Resin is O-phthalic acid type, M-phthalic acid type, bisphenol A-type and vinyl ester type, appointing in halogenated unsaturated polyester resin
It anticipates one kind, or the mixture formed according to weight ratio 1:2:1:2:2.
3. low-k DK-3 fiberglass radome according to claim 1, it is characterised in that: the glass fibre tool
Body is ECR glass fibre；The tensile strength 2300-2700Mpa and extension at break of impregnated glass fibre are stretch modulus 40-
45Gpa。
4. low-k DK-3 fiberglass radome according to claim 1, it is characterised in that: the calcium powder is calcium powder
400 mesh.
5. low-k DK-3 fiberglass radome according to claim 1, it is characterised in that: the density of the PE powder
For 0.94-0.96g/cm3。
6. low-k DK-3 fiberglass radome according to claim 1, it is characterised in that: the lubricant is micro-
Spar wax, butyl stearate and polyethylene wax are according to weight ratio 10:(5-7): the mixture of (3-5) composition.
7. low-k DK-3 fiberglass radome according to claim 1, it is characterised in that: the anti ultraviolet agent is
Plastic ultraviolet absorbent, the ultraviolet light wave of absorption are 270-380 nanometers a length of.
8. low-k DK-3 fiberglass radome according to claim 1 or 6, it is characterised in that: the uvioresistant
Agent is 1 according to weight ratio by salicylic acid esters, benzophenone class, benzotriazole, group-substituted acrylonitrile, triazines and hindered amines:
1:2:1:0.5:0.5 mixing.
9. low-k DK-3 fiberglass radome according to claim 1, it is characterised in that: the catalyst was
The mixture that oxidation methyl iso-butyl ketone (MIBK) and the ethylhexanoate tert-butyl ester are formed according to weight ratio 1:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810563912.8A CN109054326A (en) | 2018-06-04 | 2018-06-04 | A kind of low-k DK-3 fiberglass radome |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810563912.8A CN109054326A (en) | 2018-06-04 | 2018-06-04 | A kind of low-k DK-3 fiberglass radome |
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| Publication Number | Publication Date |
|---|---|
| CN109054326A true CN109054326A (en) | 2018-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810563912.8A Withdrawn CN109054326A (en) | 2018-06-04 | 2018-06-04 | A kind of low-k DK-3 fiberglass radome |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111393818A (en) * | 2020-03-10 | 2020-07-10 | 珠海国能新材料股份有限公司 | Glass fiber reinforced plastic pultrusion radome for 5G base station and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337014A (en) * | 2011-11-01 | 2012-02-01 | 深圳市欣天科技有限公司 | Resin-based composite material with controllable linear expansion coefficient and preparation method thereof |
| CN102694258A (en) * | 2012-05-02 | 2012-09-26 | 深圳光启创新技术有限公司 | Glass fiber reinforced plastic radome and preparation method thereof |
| CN103042704A (en) * | 2012-12-13 | 2013-04-17 | 南京华格电汽塑业有限公司 | Traction and extrusion preparation technology for thin wall cavity glass fiber reinforced plastic radome |
| CN106751637A (en) * | 2016-12-28 | 2017-05-31 | 南京华格电汽塑业有限公司 | A kind of fiberglass radome section bar and preparation method thereof |
-
2018
- 2018-06-04 CN CN201810563912.8A patent/CN109054326A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337014A (en) * | 2011-11-01 | 2012-02-01 | 深圳市欣天科技有限公司 | Resin-based composite material with controllable linear expansion coefficient and preparation method thereof |
| CN102694258A (en) * | 2012-05-02 | 2012-09-26 | 深圳光启创新技术有限公司 | Glass fiber reinforced plastic radome and preparation method thereof |
| CN103042704A (en) * | 2012-12-13 | 2013-04-17 | 南京华格电汽塑业有限公司 | Traction and extrusion preparation technology for thin wall cavity glass fiber reinforced plastic radome |
| CN106751637A (en) * | 2016-12-28 | 2017-05-31 | 南京华格电汽塑业有限公司 | A kind of fiberglass radome section bar and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111393818A (en) * | 2020-03-10 | 2020-07-10 | 珠海国能新材料股份有限公司 | Glass fiber reinforced plastic pultrusion radome for 5G base station and preparation method thereof |
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Application publication date: 20181221 |
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| WW01 | Invention patent application withdrawn after publication |