CN107459805B - Base station antenna housing and manufacturing method thereof - Google Patents
Base station antenna housing and manufacturing method thereof Download PDFInfo
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- CN107459805B CN107459805B CN201610395621.3A CN201610395621A CN107459805B CN 107459805 B CN107459805 B CN 107459805B CN 201610395621 A CN201610395621 A CN 201610395621A CN 107459805 B CN107459805 B CN 107459805B
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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
- C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
- C08L71/08—Polyethers derived from hydroxy compounds or from their metallic derivatives
- C08L71/10—Polyethers derived from hydroxy compounds or from their metallic derivatives from phenols
- C08L71/12—Polyphenylene oxides
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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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
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/06—Polystyrene
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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
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
Abstract
The embodiment of the invention discloses a base station antenna housing and a manufacturing method thereof, relates to the field of antenna protection, and can reduce the weight of the manufactured base station antenna housing and meet the requirement of the base station antenna housing on light weight development. The components of the material for manufacturing the base station antenna housing comprise: the glass fiber reinforced plastic composite material comprises a resin matrix, glass fibers, hollow glass beads, a toughening modifier, a weather-resistant auxiliary agent, a lubricant and an antioxidant; the base station antenna housing comprises the following components in parts by mass: 50-80 parts of resin matrix, 10-30 parts of glass fiber, 0-10 parts of hollow glass bead, 2-15 parts of toughening modifier, 0.2-4 parts of weather-resistant assistant, 0.2-4 parts of lubricant and 0.1-2.5 parts of antioxidant. The invention can be applied to the protection of the base station antenna.
Description
Technical Field
The invention relates to the field of high polymer materials, in particular to a base station antenna housing and a manufacturing method thereof.
Background
In order to prevent the communication base station antenna from being damaged by sunlight, rain, snow, birds, and the like, a base station antenna cover for protecting the communication base station antenna is generally provided outdoors. With the continuous upgrade of communication networks, the frequency of radio waves used by the communication base station antenna is higher and higher, and the working power of the communication base station antenna is also higher and higher, which requires that the high temperature resistance of the base station antenna housing arranged on the communication base station antenna is better.
At present, the material for manufacturing the base station antenna housing is thermosetting glass fiber reinforced plastics, the strength of the base station antenna housing made of the thermosetting glass fiber reinforced plastics is high, the base station antenna housing can tolerate high temperature, and the requirement of high temperature resistance of the base station antenna housing is met. Meanwhile, since the communication base station antenna is basically erected in the high altitude of the communication base station tower, the communication base station antenna is being developed in the directions of light weight, integration and miniaturization for the convenience of installation, and therefore, the base station radome is also required to be developed in the direction of light weight. However, the base station antenna housing made of the thermosetting glass fiber reinforced plastic is mainly made of continuous glass fibers, the weight percentage of the glass fibers can reach 80%, and the density is high, so that the base station antenna housing made of the thermosetting glass fiber reinforced plastic is heavy in weight, and the requirement of the base station antenna housing on light weight development cannot be met.
Disclosure of Invention
The embodiment of the invention provides a base station antenna housing and a manufacturing method thereof, which can reduce the weight of the base station antenna housing and meet the requirement of the base station antenna housing on light weight development.
The embodiment of the invention adopts the following technical scheme:
in a first aspect, an embodiment of the present invention provides a base station antenna housing, where components of a material for manufacturing the base station antenna housing include: the glass fiber reinforced plastic composite material comprises a resin matrix, glass fibers, hollow glass beads, a toughening modifier, a weather-resistant auxiliary agent, a lubricant and an antioxidant;
the base station antenna housing is made of the following materials in parts by mass:
on the basis of the first aspect, a first possible implementation manner is proposed, which specifies a resin matrix in a composition of a material for manufacturing a base station radome, wherein the resin matrix comprises polycarbonate, a polyphenylene oxide/polystyrene alloy, syndiotactic polystyrene, a polyphenylene oxide/syndiotactic polystyrene alloy, polypropylene, a polyphenylene oxide/polypropylene alloy, a polyphenylene oxide/polycarbonate alloy, a polypropylene/polycarbonate alloy, a polycarbonate/polystyrene alloy or a polycarbonate/syndiotactic polystyrene alloy.
On the basis of the first aspect, a second possible implementation manner is provided, which specifies glass fibers in the components of the material for manufacturing the base station radome, wherein the glass fibers comprise one or more of alkali-free glass fibers, low-dielectric glass fibers and quartz glass fibers.
On the basis of the first aspect, a third possible implementation manner is provided, which specifies specific parameters of hollow glass microspheres in a composition of a material for manufacturing a base station radome, wherein the compression strength of the hollow glass microspheres is greater than or equal to 50MPa, the diameter of the hollow glass microspheres is less than 100 μm, and the density of the hollow glass microspheres is 0.2g/cm3～0.8g/cm3。
On the basis of the first aspect, a fourth possible implementation manner is proposed, which specifies a toughening modifier in a component of a material for manufacturing a base station radome, wherein the toughening modifier comprises one or more of a methacrylic-butadiene-styrene copolymer (MBS) elastomer, a silicone-modified methacrylic-butadiene-styrene copolymer elastomer, a styrene-butadiene-styrene block copolymer (SBS) elastomer, a hydrogenated styrene-butadiene-styrene block copolymer (SEBS) elastomer, a Polyolefin (POE) elastomer, a maleic anhydride grafted polyolefin (PO-g-MAH) and an ethylene-acrylic acid-glycidyl methacrylate terpolymer.
On the basis of the first aspect, a fifth possible implementation manner is provided, which specifies a lubricant in a component of a material for manufacturing a base station antenna cover, where the lubricant includes one or more of a fluorine-containing lubricant, a silicon-containing lubricant, a polypropylene wax, a modified polypropylene, a polyethylene wax, a modified polyethylene, an ethylene propylene copolymer, a stearate, stearic acid, and a stearate-based lubricant.
On the basis of the first aspect, a sixth possible implementation manner is proposed to specify weather-resistant auxiliaries in the composition of the material for manufacturing base station antenna covers, the weather-resistant auxiliaries include titanium dioxide, zinc sulfide, 2- (2' -hydroxy-5-tert-octylphenyl) benzotriazole, 2- (2' -hydroxy-5 ' -methylphenyl) benzotriazole, 2-hydroxy-4-n-octyloxybenzophenone, 2- (4, 6-bis (2, 4-dimethylphenyl) -1, 3, 5-triazin-2-yl) -5-octyloxyphenol, bis (2, 2, 6, 6-tetramethyl-4-piperidyl) sebacate, n-hexadecyl 3, 5-di-tert-butyl-4-hydroxybenzoate, n-hexadecyl 2-hydroxy-benzoate, n-hexadecyl 2-hydroxy-5-octylphenyl-benzotriazole, and n-octyloxyphenol, One or more of poly { [6- [ (1, 1, 3, 3-tetramethylbutyl) amino ] ] -1, 3, 5-triazine-2, 4- [ (2, 2, 6, 6-tetramethyl-piperidyl) imino ] -1, 6-hexamethylene [ (2, 2, 6, 6-tetramethyl-4-piperidyl) imino ] } and poly [1, 6-hexamethylenediamine, N, N' -bis (2, 2, 6, 6-tetramethyl-4-pyridyl) -morpholine-2, 4, 6-trichloro-1, 3, 5-triazine ].
On the basis of the first aspect, a seventh possible implementation manner is proposed to specify an antioxidant in a composition of a material for manufacturing a base station antenna cover, the antioxidant including tetrakis [ β - (3, 5-di-t-butyl-4-hydroxyphenyl) propionate ] pentaerythritol ester, N-octadecyl β - (3, 5-di-t-butyl-4-hydroxyphenyl) propionate, 3, 9-bis [1, 1-dimethyl-2- [ (3-t-butyl-4-hydroxy-5-methylphenyl) propionyloxy ] ethyl ] -2, 4, 8, 10-tetraoxaspiro [5.5] undecane, N' -bis- (3- (3, 5-di-t-butyl-4-hydroxyphenyl) propionyl) hexanediamine, 1, 3, 5-tris (4-tert-butyl-3-hydroxy-2, 6-dimethylbenzyl) -1, 3, 5-triazine-2, 4, 6- (1H, 3H, 5H) -trione, diethylene glycol bis [ beta- (3-tert-butyl-4-hydroxy-5-methylphenyl) propionate ], bis (2, 4-dicumylphenyl) pentaerythritol diphosphite, one or more of dioctadecyl thiodipropionate, tetrakis (2, 4-di-tert-butylphenyl-4, 4' -biphenylyl) bisphosphonite, pentaerythritol-based decadithiophosphate, and bis (2, 4-di-tert-butylphenol) pentaerythritol diphosphite or tris [2, 4-di-tert-butylphenyl ] phosphite.
In combination with the first aspect or any one of the first to seventh possible implementation manners of the first aspect, an eighth possible implementation manner is provided, and in order to prolong the service life of the base station radome, the component of the material for manufacturing the base station radome further includes an antibacterial agent and/or a flame retardant.
A second aspect of the present invention provides, corresponding to the first aspect of the present invention, a method for manufacturing the above base station radome, including:
the base station antenna housing is prepared from a material for manufacturing the base station antenna housing through a profile extrusion process, an injection molding process or a die pressing process.
On the basis of the second aspect, a first possible implementation manner is provided, and in order to obtain a material for manufacturing a base station antenna housing, the manufacturing method of the base station antenna housing further includes:
uniformly mixing the components of the material for manufacturing the base station antenna housing;
and extruding and granulating the uniformly mixed components to obtain the material for manufacturing the base station antenna housing.
On the basis of the first possible implementation manner of the second aspect, a second possible implementation manner is proposed, in order to prevent the material for manufacturing the base station radome from decomposing during the preparation process, before uniformly mixing the components of the material for manufacturing the base station radome, the second possible implementation manner further includes:
and drying the resin matrix in the components to ensure that the water content of the resin matrix is lower than 0.05 percent.
The invention provides a base station antenna housing and a manufacturing method thereof, the components of a material for manufacturing the base station antenna housing comprise a resin matrix, glass fibers, hollow glass beads, a toughening modifier, a weather-resistant auxiliary agent, a lubricant and an antioxidant, compared with the prior art for manufacturing the thermosetting glass fiber reinforced plastic used for the base station antenna housing, the base station antenna housing manufacturing material comprises, by mass, 50-80 parts of resin matrix, 10-30 parts of glass fiber, 0-10 parts of hollow glass microsphere, 2-15 parts of toughening modifier, 0.2-4 parts of weather-resistant auxiliary agent, 0.2-4 parts of lubricant and 0.1-2.5 parts of antioxidant, the base station antenna housing manufacturing material is a glass fiber reinforced modified engineering plastic with low density, therefore, the weight of the manufactured base station antenna housing is reduced, and the requirement of the base station antenna housing on light weight development is met.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is one of flowcharts of a method for manufacturing a base station radome in an embodiment of the present invention;
fig. 2 is a second flowchart of a manufacturing method of a base station antenna housing according to an embodiment of the present invention;
fig. 3 is a third flowchart of a manufacturing method of a base station antenna cover according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a base station antenna housing which is made of glass fiber reinforced modified engineering plastic and has low density. The resin matrix in the components has good heat resistance and low dielectric loss, and the prepared base station antenna housing has good wave permeability and heat resistance. The glass fiber in the components enables the base station antenna housing to have glass fiber reinforced modification, the thermal expansion coefficient of the base station antenna housing is reduced to be close to that of aluminum alloy, the Relative Temperature Index (RTI) and the thermal deformation Temperature (HDT) of the base station antenna housing are greatly improved, the modulus of the base station antenna housing is also improved, the problem that the manufactured base station antenna housing is deformed to generate poor sealing due to overlarge telescopic deformation in the using cold-hot circulation process is solved, the protection function of the manufactured base station antenna housing on a communication base station is improved, and the requirement for long-term high-Temperature work of the base station antenna housing can be met. Due to the hollow characteristic of the hollow glass beads in the components, the density of the hollow glass beads is low, the overall density of the manufactured base station antenna housing is further low, the dielectric loss of the hollow glass beads is low, the overall dielectric loss of the base station antenna housing is reduced, the absorption of the base station antenna housing on electromagnetic waves emitted by a communication base station antenna is reduced, the gain index of the antenna protected by the base station antenna housing is improved, in addition, the basic performance of the hollow glass beads during manufacturing of the base station antenna housing can be improved, and the surface quality of the manufactured base station antenna housing is improved. The toughening modifier in the components reduces the brittleness and increases the toughness of the base station antenna housing, and meets the toughness requirement of the prepared base station antenna housing. The weather-resistant auxiliary agent and the antioxidant in the components can slow down the aging of the base station antenna housing and prolong the service life of the prepared base station antenna housing. The lubricant in the components can improve the fluidity of a material for manufacturing the base station antenna housing in the manufacturing process of the base station antenna housing, so that the quality of the base station antenna housing is improved.
Specifically, the base station antenna housing is made of the following materials in parts by mass:
resin matrix: 50-80 parts; glass fiber: 10-30 parts; hollow glass beads: 0-10 parts; toughening modifier: 2-15 parts of a solvent; weather-resistant auxiliary agent: 0.2-4 parts; lubricant: 0.2-4 parts; antioxidant: 0.1 to 2.5 portions. Here, the material for manufacturing the base station antenna cover is taken as an example of 100 parts by mass.
The invention provides a base station antenna housing which comprises the components of a material for manufacturing the base station antenna housing, wherein the components comprise 50-80 parts by mass of a resin matrix, 10-30 parts by mass of glass fiber, 0-10 parts by mass of hollow glass microspheres, 2-15 parts by mass of a toughening modifier, 0.2-4 parts by mass of a weather-resistant auxiliary agent, 0.2-4 parts by mass of a lubricant and 0.1-2.5 parts by mass of an antioxidant, and the material for manufacturing the base station antenna housing is glass fiber reinforced modified engineering plastic and has lower density, so that the weight of the manufactured base station antenna housing is reduced, and the requirement of the base station antenna housing on light weight development is met, the prepared base station antenna housing also has the characteristics of high temperature resistance, low dielectric loss, strong toughness and the like. Moreover, the material for manufacturing the base station antenna housing is a thermoplastic material, belongs to a green environment-friendly material, can be recycled, and avoids pollution to the environment.
In order to prevent microorganisms mixed in during the manufacture of the base station antenna housing or microorganisms generated by natural sedimentation during the use of the base station antenna housing from growing to influence the performance of the base station antenna housing, in one embodiment provided by the invention, the components of the material for manufacturing the base station antenna housing further comprise an antibacterial agent. Specifically, the antimicrobial agent may comprise nanometer titanium dioxide, nanometer silver oxide, polyhexamethylene guanidine phosphate, and Ag-containing substance2+One or more of (divalent silver ion) silicate, zinc pyrithione, isothiazolinone.
In order to prevent the base station antenna housing from being inflammable in a high-temperature environment, in one embodiment of the present invention, the composition of the material for manufacturing the base station antenna housing may further include a flame retardant. Specifically, the flame retardant may include one or more of triphenyl phosphate, brominated polystyrene, polyphosphonate, brominated triazine, brominated epoxy resin, decabromodiphenylethane, polyphosphine-carbonate resin, antimony trioxide, zinc borate, tetraphenylresorcinol diphosphate melamine polyphosphate, silicone-based sulfonate, sodium antimonate, tetraphenyl (bisphenol-a) diphosphate.
It should be noted that the components of the material for manufacturing the base station antenna housing may also include an antibacterial agent and a flame retardant. Moreover, according to other requirements of the material for manufacturing the base station antenna housing, other components may be added to the components of the material for manufacturing the base station antenna housing, and the composition is not limited herein.
In an embodiment provided by the present invention, specifically, the resin matrix in the components of the material for manufacturing the base station radome may include Polycarbonate (PC), polyphenylene oxide (PPO)/Polystyrene (PS), Syndiotactic Polystyrene (SPS), polyphenylene oxide (PPO)/Syndiotactic Polystyrene (SPS), polypropylene (PP), polyphenylene oxide (PPO)/Polycarbonate (PC), polypropylene (PP)/Polycarbonate (PC), Polycarbonate (PC)/Polystyrene (PS), or Polycarbonate (PC)/Syndiotactic Polystyrene (SPS). The resin matrix selected here has excellent heat resistance and low dielectric loss, and can ensure that the manufactured base station antenna housing has good wave permeability and heat resistance.
In an embodiment provided by the present invention, specifically, the glass fiber in the material for manufacturing the base station radome includes one or more of alkali-free glass fiber (E glass fiber for short), low dielectric glass fiber (D glass fiber for short) and quartz glass fiber. The glass fiber can reduce the thermal expansion coefficient of the material for manufacturing the base station antenna housing, so that the manufactured base station antenna housing has the thermal expansion coefficient similar to that of aluminum alloy. In addition, the glass fiber in the components can also improve the rigidity and strength of the base station antenna housing, so that the prepared base station antenna housing can have a better protection effect on the communication base station antenna.
In an embodiment provided by the invention, specifically, the compression strength of the hollow glass beads in the composition of the material for manufacturing the base station antenna cover is greater than or equal to 50MPa, and the hollow glass beads belong to high-strength hollow glass beads, the diameter of the hollow glass beads is less than 100 μm, and the density of the hollow glass beads is 0.2g/cm3～0.8g/cm3. The hollow glass beads can reduce the density of the base station antenna housing, so that the weight of the manufactured base station antenna housing is reduced, and the lightweight of the base station antenna housing is realized; in addition, the hollow glass beads can also adjust the dielectric constant of the base station antenna housing, reduce the dielectric loss of the base station antenna housing, and improve the fluidity of the melted material for manufacturing the base station antenna housing and the surface quality of the base station antenna housing.
In an embodiment provided by the present invention, the toughening modifier in the composition of the material for manufacturing the base station radome specifically includes one or more of a methacrylic acid-butadiene-styrene copolymer (MBS) elastomer, a silicone modified methacrylic acid-butadiene-styrene copolymer elastomer, a styrene-butadiene-styrene block copolymer (SBS) elastomer, a hydrogenated styrene-butadiene-styrene block copolymer (SEBS) elastomer, a Polyolefin (POE) elastomer, a maleic anhydride grafted polyolefin (PO-g-MAH) and an ethylene-acrylic acid-glycidyl methacrylate terpolymer. Wherein the maleic anhydride grafted polyolefin comprises one or more of maleic anhydride grafted polyethylene, maleic anhydride grafted polypropylene, maleic anhydride grafted polybutylene and the like. The material for manufacturing the base station antenna housing in the embodiment of the invention is the glass fiber reinforced modified engineering plastic, the strength of the manufactured base station antenna housing is obviously improved, in order to prevent the base station antenna housing from brittle fracture when bearing impact, the components of the material for manufacturing the base station antenna housing comprise the toughening modifier, the toughness of the manufactured base station antenna housing is improved, the base station antenna housing can bear large external impact force, and therefore, the communication base station antenna in the base station antenna housing is better protected.
In an embodiment provided by the present invention, specifically, the lubricant in the composition of the material for manufacturing the base station antenna cover includes one or more of a fluorine lubricant, a silicon-containing lubricant, a polypropylene wax, a modified polypropylene, a polyethylene wax, a modified polyethylene, an ethylene-propylene copolymer, a stearate, stearic acid, and a stearate-based lubricant. The lubricant in the components can reduce shearing in the processing process of manufacturing the base station antenna housing, is beneficial to improving the compatibility of the resin matrix in the material for manufacturing the base station antenna housing and the components such as glass fiber and the like, and improves the surface quality of the manufactured base station antenna housing.
In an embodiment provided by the present invention, the weather-resistant auxiliary in the composition of the material for manufacturing a base station antenna cover specifically includes titanium dioxide, zinc sulfide, 2- (2' -hydroxy-5-tert-octylphenyl) benzotriazole, 2- (2' -hydroxy-5 ' -methylphenyl) benzotriazole, 2-hydroxy-4-n-octyloxybenzophenone, 2- (4, 6-bis (2, 4-dimethylphenyl) -1, 3, 5-triazin-2-yl) -5-octyloxyphenol, bis (2, 2, 6, 6-tetramethyl-4-piperidinyl) sebacate, n-hexadecyl 3, 5-di-tert-butyl-4-hydroxybenzoate, poly { [6- [ (1, 1, 3, 3-tetramethylbutyl) amino ] ] -1, 3, 5-triazine-2, 4- [ (2, 2, 6, 6-tetramethyl-piperidyl) imino ] -1, 6-hexadiene [ (2, 2, 6, 6-tetramethyl-4-piperidyl) imino ] } and poly [1, 6-hexanediamine, N, N' -bis (2, 2, 6, 6-tetramethyl-4-pyridyl) -morpholine-2, 4, 6-trichloro-1, 3, 5-triazine ]. The weather-resistant auxiliary agent in the components can improve the light stability of the prepared base station antenna housing and prolong the service life of the prepared base station antenna housing.
In one embodiment of the present invention, the antioxidant in the composition of the material for manufacturing the base station antenna cover specifically includes tetrakis [ β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] pentaerythritol ester, N-octadecyl β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate, 3, 9-bis [1, 1-dimethyl-2- [ (3-tert-butyl-4-hydroxy-5-methylphenyl) propionyloxy ] ethyl ] -2, 4, 8, 10-tetraoxaspiro [5.5] undecane, N' -bis- (3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionyl) hexanediamine, 1, 3, 5-tris (4-tert-butyl-3-hydroxy-2, 6-dimethylbenzyl) -1, 3, 5-triazine-2, 4, 6- (1H, 3H, 5H) -trione, diethylene glycol bis [ beta- (3-tert-butyl-4-hydroxy-5-methylphenyl) propionate ], bis (2, 4-dicumylphenyl) pentaerythritol diphosphite, dioctadecyl thiodipropionate, tetrakis (2, 4-di-tert-butylphenyl-4, 4' -biphenyl) diphosphonite, pentaerythrityl-like decadithiophosphate, and bis (2, 4-di-tert-butylphenol) pentaerythritol diphosphite or tris [2, 4-di-tert-butylphenyl ] phosphite. The antioxidant in the components improves the processing stability and the long-term stability in the using process of the material for manufacturing the base station antenna housing, the components of the material for manufacturing the base station antenna housing can also comprise a light stabilizer, and the antioxidant and the light stabilizer can generate a synergistic effect, so that the service life of the material for manufacturing the base station antenna housing is longer, and the service life of the base station antenna housing is prolonged.
Correspondingly, as shown in fig. 1, an embodiment of the present invention further provides a preparation method of the material for manufacturing a base station radome, including:
The invention provides a manufacturing method of a base station antenna housing, which comprises the following components of 50-80 parts by mass of a resin matrix, 10-30 parts by mass of glass fiber, 0-10 parts by mass of hollow glass microsphere, 2-15 parts by mass of toughening modifier, 0.2-4 parts by mass of weather-resistant assistant, 0.2-4 parts by mass of lubricant and 0.1-2.5 parts by mass of antioxidant, and the material for manufacturing the base station antenna housing is glass fiber reinforced modified engineering plastic and has lower density, so that the weight of the manufactured base station antenna housing is reduced, and the requirement of the base station antenna housing on light weight development is met, the prepared base station antenna housing also has the characteristics of high temperature resistance, low dielectric loss, strong toughness and the like. Moreover, the material for manufacturing the base station antenna housing is a thermoplastic material, belongs to a green environment-friendly material, can be recycled, and avoids pollution to the environment.
Referring to fig. 2, before step 101, steps 102 and 103 may be further included, and the specific contents are as follows:
and 102, uniformly mixing the components of the material for manufacturing the base station antenna housing. Specifically, the components of the material for manufacturing the base station antenna housing may be added into a high-speed stirrer to be uniformly mixed, and please refer to the description part of the base station antenna housing for the components and the parts by mass of the components for manufacturing the base station antenna housing, which is not described herein again.
And 103, extruding and granulating the uniformly mixed components to obtain the material for manufacturing the base station antenna housing. Specifically, a twin-screw extruder can be used for granulation, and in the process, in order to ensure that the effective length of the glass fiber in the prepared material for manufacturing the base station radome is longer and the content of the glass fiber in the components can be controlled, the glass fiber can be added through a side feeding port of the twin-screw extruder.
Referring to fig. 3, in order to prevent decomposition of the material for manufacturing the base station antenna housing, a step 104 may be added before the step 102, specifically as follows:
and 104, drying the resin matrix in the components to ensure that the water content of the resin matrix is lower than 0.05 percent. The specific means for drying the resin matrix is not limited herein.
It should be noted that, the description of the manufacturing method of the base station radome in the embodiment of the present invention is only an example, and is not limited, and a person skilled in the art may also prepare the base station radome in the above embodiment according to common general knowledge or a common technical means.
In order to better explain the base station antenna cover and the manufacturing method thereof provided by the present invention, the following description is made with specific examples.
Example 1
The embodiment of the invention provides a base station antenna housing, which comprises the following components in parts by mass: 17.2 Parts of Polypropylene (PP), 52 Parts of Polyphenylene Oxide (PPO), 18 parts of alkali-free glass fiber (E glass fiber), 3.5 parts of hollow glass beads, 4 parts of hydrogenated styrene-butadiene-styrene block copolymer (hydrogenated SEBS) elastomer, 2 parts of methacrylic acid-butadiene-styrene copolymer (MBS) elastomer, 0.5 part of fluorine-containing lubricant, 1 part of zinc sulfide, 1 part of bis (2, 2, 6, 6-tetramethyl-4-piperidyl) sebacate, 1, 3, 5-tris (4-tert-butyl-3-hydroxy-2, 6-dimethylbenzyl) -1, 3, 5-triazine-2, 4, 6- (1H, 3H, 5H) -trione, 0.2 part of bis (2, 4-dicumylphenyl) pentaerythritol diphosphite, 2 parts of sodium hydrogen carbonate, 0.4 part of pentaerythritol dodecyl dithio. It should be noted that polypropylene (abbreviated as PP) and Polyphenylene Oxide (PPO) exist in the form of a polyphenylene oxide/polypropylene alloy in the composition of the material for manufacturing the base station radome.
The density of the prepared base station antenna housing is 1.18g/cm3The dielectric constant is 2.63, the dielectric loss is 0.0027, and the thermal deformation temperature can reach 158 ℃. The material for manufacturing the base station antenna housing is suitable for manufacturing the base station antenna housing through an injection molding process and is also suitable for manufacturing the base station antenna housing with a constant cross section through a profile extrusion process.
Example 2
The embodiment of the invention provides a base station antenna housing, which comprises the following components in parts by mass: 53 parts of polyphenyl ether (PPO for short), 23 parts of polystyrene (PS for short), 15 parts of alkali-free glass fiber (E glass fiber for short), 1 part of hollow glass microsphere, 3 parts of hydrogenated styrene-butadiene-styrene block copolymer (hydrogenated SEBS) elastomer, 1 part of ethylene-acrylic acid-glycidyl methacrylate terpolymer, 0.3 part of silicon-containing lubricant, 0.7 part of modified polyethylene wax, 0.4 part of 2- (2' -hydroxy-5-tert-octylphenyl) benzotriazole, 0.5 part of 2-hydroxy-4-n-octyloxybenzophenone, poly { [6- [ (1, 1, 3, 3-tetramethylbutyl) amino ] ] -1, 3, 5-triazine-2, 4- [ (2, 2, 6, 6-tetramethyl-piperidyl) imino ] -1, 0.9 part of 6-hexamethylene-bistetramethylene [ (2, 2, 6, 6-tetramethyl-4-piperidyl) imino ] }, 0.3 part of 3, 9-bis [1, 1-dimethyl-2- [ (3-tert-butyl-4-hydroxy-5-methylphenyl) propionyloxy ] ethyl ] -2, 4, 8, 10-tetraoxaspiro [5.5] undecane, 0.6 part of pentaerythritol-type dodecyl disulfide, and 0.3 part of tris [2, 4-di-tert-butylphenyl ] phosphite. It should be noted that polyphenylene oxide (PPO) and Polystyrene (PS) exist in the form of a polyphenylene oxide/polystyrene alloy in the composition of the material for manufacturing the base station radome.
The density of the base station antenna housing in the embodiment is 1.19g/cm3The dielectric constant is 2.62, the dielectric loss is 0.0026, and the thermal deformation temperature can reach 152 ℃. The material for manufacturing the base station antenna housing is suitable for manufacturing the base station antenna housing with a constant cross section through a profile extrusion process.
Example 3
The embodiment of the invention provides a base station antenna housing, which comprises the following components in parts by mass: 59 parts of polyphenylene oxide (PPO for short), 22.4 parts of syndiotactic polystyrene (SPS for short), 12 parts of alkali-free glass fiber (E glass fiber for short), 3 parts of hollow glass beads, 2 parts of hydrogenated styrene-butadiene-styrene block copolymer (hydrogenated SEBS) elastomer, 0.5 part of ethylene-propylene copolymer, 0.3 part of 2- (2 '-hydroxy-5' -methylphenyl) benzotriazole, 0.3 part of poly { [6- [ (1, 1, 3, 3-tetramethylbutyl) amino ] ] -1, 3, 5-triazine-2, 4- [ (2, 2, 6, 6-tetramethyl-piperidyl) imino ] -1, 6-hexamethylene [ (2, 2, 6, 6-tetramethyl-4-piperidyl) imino ] }0.3 part of diethylene glycol bis [ beta- (3-tert-butyl-4-hydroxy-5-methyl-ethylene glycol-bis [ beta- (3-tert-butyl-4-hydroxy-5-methyl-piperidyl) imino ] } Phenyl) propionate ]0.2 parts, bis (2, 4-dicumylphenyl) pentaerythritol diphosphite 0.3 parts. It should be noted that, in the composition of the material for manufacturing the base station radome, polyphenylene oxide (PPO for short) and syndiotactic polystyrene (SPS for short) are present in the form of polyphenylene oxide/syndiotactic polystyrene alloy.
The density of the base station antenna housing in the embodiment is 1.11g/cm3The dielectric constant is 2.62, the dielectric loss is 0.0027, and the thermal deformation temperature can reach 156 ℃. The material for manufacturing the base station antenna housing is suitable for passing through the section barThe extrusion process produces a base station radome having a constant cross section.
Example 4
The embodiment of the invention provides a base station antenna housing, which comprises the following components in parts by mass: 19.5 parts of polyphenyl ether (PPO for short), 40 parts of syndiotactic polystyrene (SPS for short), 20 parts of alkali-free glass fiber (E glass fiber for short), 5 parts of hollow glass microspheres, 10 parts of styrene-butadiene-styrene block copolymer (SBS for short), 1 part of modified polypropylene wax, 0.4 part of stearate, 2 parts of titanium dioxide, 0.3 part of 2- (4, 6-bis (2, 4-dimethylphenyl) -1, 3, 5-triazine-2-yl) -5-octyloxyphenol, 0.4 part of poly [1, 6-hexanediamine, N, N' -bis (2, 2, 6, 6-tetramethyl-4-pyridyl) -morpholine-2, 4, 6-trichloro-1, 3, 5-triazine ], and 0.4 part of diethylene glycol bis [ beta- (3-tert-butyl-4-hydroxy-5-methylphenyl) propionate ]0.7 part of bis (2, 4-di-tert-butylphenol) pentaerythritol diphosphite and 0.7 part of phenol diphosphite. It should be noted that, in the composition of the material for manufacturing the base station radome, polyphenylene oxide (PPO for short) and syndiotactic polystyrene (SPS for short) are present in the form of polyphenylene oxide/syndiotactic polystyrene alloy.
The density of the base station antenna housing in the embodiment is 1.20g/cm3The dielectric constant is 2.64, the dielectric loss is 0.0029, and the thermal deformation temperature can reach 146 ℃. The material for manufacturing the base station antenna housing is suitable for manufacturing the base station antenna housing with a constant cross section through a profile extrusion process.
Example 5
The embodiment of the invention provides a base station antenna housing, which comprises the following components in parts by mass: 10 parts of polyphenyl ether (PPO for short), 43 parts of polycarbonate (PC for short), 27 parts of low-dielectric glass fiber (D glass fiber for short), 7 parts of hollow glass microspheres, 2 parts of styrene-butadiene-styrene block copolymer (SBS for short), 3 parts of ethylene-acrylic acid-glycidyl methacrylate terpolymer, 0.4 part of polyethylene wax, 0.6 part of stearic acid, 0.5 part of 2- (4, 6-bis (2, 4-dimethylphenyl) -1, 3, 5-triazine-2-yl) -5-octyloxyphenol, 0.5 part of bis (2, 2, 6, 6-tetramethyl-4-piperidyl) sebacate, 0.4 part of N, N' -bis- (3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionyl) hexanediamine, 0.2 part of dioctadecyl thiodipropionate and 0.4 part of tris [2, 4-di-tert-butylphenyl ] phosphite. It should be noted that polyphenylene oxide (PPO) and Polycarbonate (PC) are present in the form of a polyphenylene oxide/polycarbonate alloy in the composition of the material for manufacturing the base station radome.
The density of the base station antenna housing in the embodiment is 1.34g/cm3The dielectric constant is 3.28, the dielectric loss is 0.0046, and the thermal deformation temperature can reach 151 ℃. The material for manufacturing the base station antenna housing is suitable for manufacturing the base station antenna housing with a constant cross section through a profile extrusion process.
Example 6
The embodiment of the invention provides a base station antenna housing, which comprises the following components in parts by mass: 8 Parts of Polypropylene (PP), 48.3 parts of Polycarbonate (PC), 25 parts of alkali-free glass fiber (E glass fiber), 4 parts of hollow glass microsphere, 5 parts of organic silicon modified methacrylic acid-butadiene-styrene copolymer elastomer, 2 parts of modified polypropylene, 0.5 part of fluorine-containing lubricant, 1.5 parts of zinc sulfide, 0.8 part of 2- (2 '-hydroxy-5' -methylphenyl) benzotriazole, 0.1 part of poly { [6- [ (1, 1, 3, 3-tetramethylbutyl) amino ] ] -1, 3, 5-triazine-2, 4- [ (2, 2, 6, 6-tetramethyl-piperidyl) imino ] -1, 6-hexamethylene [ (2, 2, 6, 6-tetramethyl-4-piperidyl) imino ] }0.1 part of, 0.8 part of n-hexadecyl 3, 5-di-tert-butyl-4-hydroxybenzoate, 0.5 part of tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] pentaerythritol ester, 0.2 part of tetrakis (2, 4-di-tert-butylphenyl-4, 4' -biphenyl) bisphosphonite, and 0.3 part of tris [2, 4-di-tert-butylphenyl ] phosphite. It should be noted that polypropylene (abbreviated as PP) and polycarbonate (abbreviated as PC) exist in the form of polypropylene/polycarbonate alloy in the composition of the material for manufacturing the base station radome.
The density of the base station antenna housing in the embodiment is 1.31g/cm3The dielectric constant was 3.18, the dielectric loss was 0.0040, and the heat distortion temperature was 149 ℃. The material for manufacturing the base station antenna housing is suitable for manufacturing the base station antenna housing with a constant cross section through a profile extrusion process.
Example 7
The embodiment of the invention provides a base station antenna housing, which comprises the following components in parts by mass: 16 parts of polystyrene (PS for short), 40 parts of polycarbonate (PC for short), 20 parts of low-dielectric glass fiber (D glass fiber for short), 6 parts of hollow glass microspheres, 4 parts of organic silicon modified methacrylic acid-butadiene-styrene copolymer elastomer, 7 parts of styrene-butadiene-styrene block copolymer (SBS for short), 2 parts of ethylene-acrylic acid-glycidyl methacrylate terpolymer, 0.7 part of modified polyethylene, 0.8 part of titanium dioxide, 1 part of poly [1, 6-hexanediamine, N, N ' -bis (2, 2, 6, 6-tetramethyl-4-pyridyl) -morpholine-2, 4, 6-trichloro-1, 3, 5-triazine ], 1 part of 2- (2' -hydroxy-5 ' -methylphenyl) benzotriazole, 1 part of styrene-butadiene-styrene block copolymer (SBS for short), 1 part of ethylene-acrylic acid-glycidyl methacrylate terpolymer, 2 parts of modified polyethylene, 0.8 parts of titanium dioxide, 1 part of styrene-, 1 part of beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid n-octadecyl ester, 0.2 part of bis (2, 4-dicumylphenyl) pentaerythritol diphosphite and 0.3 part of bis (2, 4-di-tert-butylphenol) pentaerythritol diphosphite. Polystyrene (PS) and Polycarbonate (PC) are present in the form of a polycarbonate/polystyrene alloy in the composition of the material for manufacturing the base station radome.
The density of the base station antenna housing in the embodiment is 1.27g/cm3The dielectric constant is 3.06, the dielectric loss is 0.0034, and the thermal deformation temperature can reach 141 ℃. The material for manufacturing the base station antenna housing is suitable for manufacturing the base station antenna housing with a constant cross section through a profile extrusion process.
Example 8
The embodiment of the invention provides a base station antenna housing, which comprises the following components in parts by mass: 15 parts of Syndiotactic Polystyrene (SPS), 58 parts of Polycarbonate (PC), 19 parts of alkali-free glass fiber (E glass fiber), 3 parts of hollow glass beads, 3 parts of styrene-butadiene-styrene block copolymer (SBS) elastomer, 0.3 part of fluorine-containing lubricant, 0.3 part of silicon-containing lubricant, 0.4 part of 2- (4, 6-bis (2, 4-dimethylphenyl) -1, 3, 5-triazine-2-yl) -5-octyloxyphenol, 0.4 part of 3, 5-di-tert-butyl-4-hydroxybenzoic acid n-hexadecyl ester, 3, 9-bis [1, 1-dimethyl-2- [ (3-tert-butyl-4-hydroxy-5-methylphenyl) propionyloxy ] ethyl ] -2, 4, 0.3 part of 8, 10-tetraoxaspiro [5.5] undecane and 0.3 part of bis (2, 4-dicumylphenyl) pentaerythritol diphosphite. It should be noted that syndiotactic polystyrene (SPS for short) and polycarbonate (PC for short) are present in the form of a polycarbonate/syndiotactic polystyrene alloy in the composition of the material for manufacturing the base station radome.
The density of the base station antenna housing in the embodiment is 1.27g/cm3The dielectric constant is 3.12, the dielectric loss is 0.0036, and the thermal deformation temperature can reach 165 ℃. The material for manufacturing the base station antenna housing is suitable for manufacturing the base station antenna housing with a constant cross section through a profile extrusion process.
Example 9
The embodiment of the invention provides a base station antenna housing, which comprises the following components in parts by mass: 55.3 parts of polycarbonate (PC for short), 28 parts of low-dielectric glass fiber (D glass fiber for short), 1 part of hollow glass bead, 3 parts of styrene-butadiene-styrene block copolymer (SBS for short), 5 parts of organic silicon modified methacrylic acid-butadiene-styrene copolymer elastomer, 4 parts of methacrylic acid-butadiene-styrene copolymer (MBS for short), 1.2 parts of polyethylene wax, 0.8 part of stearate, 1 part of titanium dioxide, 0.4 part of 2-hydroxy-4-N-octyloxybenzophenone, 0.6 part of poly [1, 6-hexanediamine, N, N' -bis (2, 2, 6, 6-tetramethyl-4-pyridyl) -morpholine-2, 4, 6-trichloro-1, 3, 5-triazine ], 1, 0.5 part of 3, 5-tri (4-tertiary butyl-3-hydroxy-2, 6-dimethylbenzyl) -1, 3, 5-triazine-2, 4, 6- (1H, 3H, 5H) -trione and 0.2 part of pentaerythritol dodecyl disulfide.
The density of the base station antenna housing in the embodiment is 1.40g/cm3The dielectric constant is 3.42, the dielectric loss is 0.0047, and the thermal deformation temperature can reach 150 ℃. The material for manufacturing the base station antenna housing is suitable for manufacturing the base station antenna housing with a constant cross section through a profile extrusion process.
Example 10
The embodiment of the invention provides a base station antenna housing, which comprises the following components in parts by mass: 72.7 parts of polycarbonate (PC for short), 17 parts of low-dielectric glass fiber (D glass fiber for short), 4 parts of hollow glass beads, 3 parts of organic silicon modified methacrylic acid-butadiene-styrene copolymer elastomer, 1 part of ethylene-acrylic acid-glycidyl methacrylate terpolymer, 0.2 part of silicon-containing lubricant, 0.2 part of modified polyethylene wax, 0.3 part of 2- (2' -hydroxy-5-tert-octylphenyl) benzotriazole, 0.3 part of n-hexadecyl 3, 5-di-tert-butyl-4-hydroxybenzoic acid, 0.3 part of n-octadecyl beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate and 0.4 part of tris [2, 4-di-tert-butylphenyl ] phosphite.
The density of the base station antenna housing in the embodiment is 1.28g/cm3The dielectric constant is 3.05, the dielectric loss is 0.0033, and the thermal deformation temperature can reach 145 ℃. The material for manufacturing the base station antenna housing is suitable for manufacturing the base station antenna housing with a constant cross section through a profile extrusion process.
Example 11
The embodiment of the invention provides a base station antenna housing, which comprises the following components in parts by mass: 24 parts of polyphenylene oxide (PPO for short), 63 parts of syndiotactic polystyrene (SPS for short), 10 parts of alkali-free glass fiber (E glass fiber for short), 0.2 part of hollow glass microsphere, 2 parts of hydrogenated styrene-butadiene-styrene block copolymer (namely hydrogenated SEBS) elastomer, 0.2 part of stearate, 0.4 part of 2- (2 '-hydroxy-5-tert-octylphenyl) benzotriazole, 0.1 part of bis (2, 2, 6, 6-tetramethyl-4-piperidyl) sebacate and 0.1 part of tetrakis (2, 4-di-tert-butylphenyl-4, 4' -biphenyl) diphosphonite. It should be noted that, in the composition of the material for manufacturing the base station radome, polyphenylene oxide (PPO for short) and syndiotactic polystyrene (SPS for short) are present in the form of polyphenylene oxide/syndiotactic polystyrene alloy.
The density of the base station antenna housing in the embodiment is 1.12g/cm3The dielectric constant is 2.78, the dielectric loss is 0.0022, and the thermal deformation temperature can reach 138 ℃. The material for manufacturing the base station antenna housing is suitable for manufacturing the base station antenna housing with a constant cross section through a profile extrusion process.
Example 12
The embodiment of the invention provides a base station antenna housing, which comprises the following components in parts by mass: 34.5 Parts of Polypropylene (PP), 30 parts of low-dielectric glass fiber (D glass fiber), 10 parts of hollow glass microspheres, 5 parts of maleic anhydride grafted polyolefin (PO-g-MAH), 10 parts of Polyolefin (POE), 2 parts of polypropylene wax, 2 parts of modified polypropylene wax, 2 parts of zinc sulfide, 1 part of 2-hydroxy-4-n-octyloxybenzophenone, 1 part of poly { [6- [ (1, 1, 3, 3-tetramethylbutyl) amino ] ] -1, 3, 5-triazine-2, 4- [ (2, 2, 6, 6-tetramethyl-piperidyl) imino ] -1, 6-hexamethylene [ (2, 2, 6, 6-tetramethyl-4-piperidyl) imino ] }1 part of tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] pentaerythritol ester, 1 part of tris [2, 4-di-tert-butylphenyl ] phosphite.
The density of the base station antenna housing in the embodiment is 1.13g/cm3The dielectric constant is 2.70, the dielectric loss is 0.0031, and the thermal deformation temperature can reach 162 ℃. The material for manufacturing the base station antenna housing is suitable for manufacturing the base station antenna housing through an injection molding process.
Example 13
The embodiment of the invention provides a base station antenna housing, which comprises the following components in parts by mass: 34 parts of polypropylene (PP for short), 15 parts of polyphenyl ether (PPO for short), 25 parts of alkali-free glass fiber (E glass fiber for short), 8 parts of hollow glass microspheres, 7 parts of polyolefin (POE for short), 3 parts of hydrogenated styrene-butadiene-styrene block copolymer (hydrogenated SEBS) elastomer, 2 parts of modified polypropylene, 1 part of stearic acid, 1 part of titanium dioxide, 1 part of 2- (2' -hydroxy-5 ' -methylphenyl) benzotriazole, 1 part of poly [1, 6-hexanediamine, N, N ' -bis (2, 2, 6, 6-tetramethyl-4-pyridyl) -morpholine-2, 4, 6-trichloro-1, 3, 5-triazine ], 1 part of beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) N-octadecyl propionate, 1 part of bis (2, 4-di-tert-butylphenol) pentaerythritol diphosphite. It should be noted that, in the composition of the material for manufacturing the base station radome, polyphenylene oxide (abbreviated as PPO) and polypropylene (abbreviated as PP) are present in the form of polyphenylene oxide/polypropylene alloy.
The density of the base station antenna housing in the embodiment is 1.11g/cm3, the dielectric constant is 2.69, the dielectric loss is 0.0029, and the thermal deformation temperature can reach 159 ℃. The material for manufacturing the base station antenna housing is suitable for manufacturing the base station antenna housing through an injection molding process.
Example 14
The embodiment of the invention provides a base station antenna housing, which comprises the following components in parts by mass: 18 parts of polypropylene (PP for short), 42 parts of polyphenylene oxide (PPO for short), 20 parts of low-dielectric glass fiber (D glass fiber for short), 6 parts of hollow glass beads, 3 parts of maleic anhydride grafted polyolefin (PO-g-MAH for short), 5 parts of hydrogenated styrene-butadiene-styrene block copolymer (namely hydrogenated SEBS) elastomer, 1 part of modified polyethylene, 1 part of stearate, 0.5 part of 2- (2 '-hydroxy-5-tert-octylphenyl) benzotriazole, 1 part of 2- (4, 6-bis (2, 4-dimethylphenyl) -1, 3, 5-triazin-2-yl) -5-octyloxyphenol, 1 part of N-hexadecyl 3, 5-di-tert-butyl-4-hydroxybenzoic acid, 1 part of N, N' -bis- (3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionyl) hexamethylenediamine 0.75 parts, dioctadecyl thiodipropionate 0.5 parts, and tetrakis (2, 4-di-tert-butylphenyl-4, 4' -biphenyl) bisphosphonite 0.25 parts. It should be noted that, in the composition of the material for manufacturing the base station radome, polyphenylene oxide (abbreviated as PPO) and polypropylene (abbreviated as PP) are present in the form of polyphenylene oxide/polypropylene alloy.
The density of the base station antenna housing in the embodiment is 1.19g/cm3, the dielectric constant is 2.60, the dielectric loss is 0.0026, and the thermal deformation temperature can reach 165 ℃. The material for manufacturing the base station antenna housing is suitable for manufacturing the base station antenna housing with a constant cross section through a profile extrusion process and is also suitable for manufacturing the base station antenna housing through an injection molding process.
The density of the base station radome provided in each of embodiments 1 to 14 is less than 2.0g/cm3The prepared base station antenna housing is lighter in weight, meets the requirement of the base station antenna housing on light weight development, and has the characteristics of high temperature resistance, low dielectric loss, strong toughness and the like. Moreover, the material for manufacturing the base station antenna housing is a thermoplastic material, belongs to a green environment-friendly material, can be recycled, and avoids pollution to the environment.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, as for the manufacturing method of the base station antenna housing, since the manufacturing method is basically similar to the embodiment of the base station antenna housing, the description is simple, and the relevant points can be referred to the description part of the embodiment of the base station antenna housing.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (9)
1. A base station radome, wherein a material for manufacturing the base station radome comprises:
uniformly mixing a resin matrix, glass fibers, hollow glass beads, a toughening modifier, a weather-resistant auxiliary agent, a lubricant and an antioxidant; the base station antenna housing is made of the following materials in parts by mass:
wherein the resin matrix comprises polycarbonate, polypropylene, or a polypropylene/polycarbonate alloy;
the toughening modifier comprises one or more of methacrylic acid-butadiene-styrene copolymer elastomer, organic silicon modified methacrylic acid-butadiene-styrene copolymer elastomer, styrene-butadiene-styrene block copolymer elastomer, hydrogenated styrene-butadiene-styrene block copolymer elastomer and polyolefin elastomer, or a compound of the toughening modifier and one or two of maleic anhydride grafted polyolefin and ethylene-acrylic acid-glycidyl methacrylate terpolymer;
the weather-resistant auxiliary agent comprises one or two of titanium dioxide and zinc sulfide, and is mixed with 2- (2' -hydroxy-5-tert-octylphenyl) benzotriazole, 2- (2' -hydroxy-5 ' -methylphenyl) benzotriazole, 2-hydroxy-4-n-octyloxybenzophenone, 2- (4, 6-bis (2, 4-dimethylphenyl) -1, 3, 5-triazine-2-yl) -5-octyloxyphenol, bis (2, 2, 6, 6-tetramethyl-4-piperidyl) sebacate, n-hexadecyl 3, 5-di-tert-butyl-4-hydroxybenzoic acid, poly { [6- [ (1, 1, 3, 3-tetramethylbutyl) amino ] ] -1, 3, 5-triazine-2, 4- [ (2, 2, 6, 6-tetramethyl-piperidyl) imino ] -1, 6-hexamethylene [ (2, 2, 6, 6-tetramethyl-4-piperidyl) imino ] } and one or more of poly [1, 6-hexamethylene diamine, N, N' -bis (2, 2, 6, 6-tetramethyl-4-pyridyl) -morpholine-2, 4, 6-trichloro-1, 3, 5-triazine ].
2. The base station radome of claim 1, wherein the glass fibers comprise one or more of alkali-free glass fibers, low dielectric glass fibers, and quartz glass fibers.
3. The base station radome of claim 1, wherein the hollow glass beads have a compressive strength of 50MPa or more, a diameter of less than 100 μm, and a density of 0.2g/cm3～0.8g/cm3。
4. The base station radome of claim 1, wherein the lubricant comprises one or more of a fluorine-containing lubricant, a silicon-containing lubricant, a polypropylene wax, a modified polypropylene, a polyethylene wax, a modified polyethylene, an ethylene propylene copolymer, a stearate, stearic acid, and a stearate-based lubricant.
5. The base station radome of claim 1, wherein the antioxidant comprises tetrakis [ β - (3, 5-di-t-butyl-4-hydroxyphenyl) propionate ] pentaerythritol ester, N-octadecyl β - (3, 5-di-t-butyl-4-hydroxyphenyl) propionate, 3, 9-bis [1, 1-dimethyl-2- [ (3-t-butyl-4-hydroxy-5-methylphenyl) propionyloxy ] ethyl ] -2, 4, 8, 10-tetraoxaspiro [5.5] undecane, N' -bis- (3- (3, 5-di-t-butyl-4-hydroxyphenyl) propionyl) hexanediamine, 1, 3, 5-tris (4-t-butyl-3-hydroxy-2, 6-dimethylbenzyl) -1, 3, 5-triazine-2, 4, 6- (1H, 3H, 5H) -trione, diethylene glycol bis [ beta- (3-tert-butyl-4-hydroxy-5-methylphenyl) propionate ], bis (2, 4-dicumylphenyl) pentaerythritol diphosphite, dioctadecyl thiodipropionate, tetrakis (2, 4-di-tert-butylphenyl-4, 4' -biphenyl) diphosphonite, pentaerythrityl-like decadithiophosphate, and bis (2, 4-di-tert-butylphenol) pentaerythritol diphosphite or tris [2, 4-di-tert-butylphenyl ] phosphite.
6. The base station radome of any one of claims 1-5, wherein the components of the material from which the base station radome is made further comprise an antibacterial agent and/or a flame retardant.
7. A method of manufacturing a base station radome of claim 1, comprising:
and (2) preparing the base station antenna housing from the material for manufacturing the base station antenna housing through a profile extrusion process, an injection molding process or a die pressing process.
8. The method for manufacturing a base station radome of claim 7, further comprising:
uniformly mixing the components of the material for manufacturing the base station antenna housing;
and extruding and granulating the uniformly mixed components to obtain the material for manufacturing the base station antenna housing.
9. The method for manufacturing a base station radome of claim 8, wherein before the components of a material for manufacturing the base station radome are uniformly mixed, the method further comprises:
and drying the resin matrix in the components to ensure that the water content of the resin matrix is lower than 0.05 percent.
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| WO2022132297A1 (en) * | 2020-12-14 | 2022-06-23 | Laird Technologies, Inc. | Low dielectric, low loss radomes and materials for low dielectric, low loss radomes |
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