CN109912890A - The fire-retardant low dielectric polypropylene material of one kind and preparation method and application - Google Patents
The fire-retardant low dielectric polypropylene material of one kind and preparation method and application Download PDFInfo
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Abstract
A kind of fire-retardant low dielectric polypropylene material and preparation method and application, it is related to a kind of polypropylene material and preparation method thereof.The invention aims to solve the problems, such as that dielectric properties, flame retardant property, insulation performance and the ageing properties of the insulating materials of existing method preparation are not able to satisfy requirement of the vehicle-mounted Ethernet conducting wire to insulating materials.The fire-retardant low dielectric polypropylene material of one kind is prepared by acrylic resin, modified resin, composite flame-retardant agent, low dielectric filler, silane coupling agent, organic peroxide, composite antioxidant and composite auxiliary for processing.Method: one, weighing；Two, fire-retardant low dielectric function filler is prepared；Three, functional master batch is prepared；Four, functional master batch and acrylic resin are mixed, then extrusion molding, obtains fire-retardant low dielectric polypropylene insulation.The fire-retardant low dielectric polypropylene material of one kind is for manufacturing vehicle-mounted Ethernet conducting wire.The present invention can get a kind of fire-retardant low dielectric polypropylene material.
Description
Technical field
The present invention relates to a kind of polypropylene materials and preparation method thereof.
Technical background
Vehicle-mounted Ethernet conducting wire manufacturing technology key is the performance of insulating materials and the twisting process of conducting wire, so that vehicle-mounted
Ethernet can meet vehicle-mounted EMC requirement.In the prior art, the automobile cable material for meeting 100 DEG C of temperature grades mostly uses polychlorostyrene
Ethylene (PVC) material and crosslinked polyethylene (XLPE) material.The advantages of PVC material is that flame retardant property and processing performance are excellent, valence
Lattice are lower, the disadvantage is that its there are biggish environmental hazards in processing, use and waste procedures.XLPE material has environmental-friendly
The characteristics of, but material can not be reused after crosslinking, exist due to processing cost height and higher dielectric constant compared with the day of one's doom
System.Polypropylene (PP) has excellent electrical insulation properties, and heat resistance is good, can be used for a long time at 100 DEG C.
In the case where twisted paired conductor, consider that effective dielectric constant is critically important.The dielectric constant of insulating materials is shadow
The key factor of the linear energy of pilot.The dielectric constant and dissipation factor of the insulating materials of conductor depend on selected matrix resin
Material.In terms of the dielectric constant of PVC, PE, PP, both rear dielectric constant is lower, 2.3 or so, and the dielectric constant of PVC compared with
Height is unable to satisfy the characteristic impedance requirement of vehicle-mounted Ethernet conducting wire.Using PP as the vehicle-mounted Ethernet of the insulating materials of matrix resin
The key technology of conducting wire and its manufacturing technology are as follows: insulating materials while meeting low-k, should also have flame retardant property,
Insulation performance, resistance to ag(e)ing etc..
Existing correlation polypropylene cable material patented technology can be described as follows.Chinese patent CN102746585B proposes one kind
Polypropylene insulation CABLE MATERIALS and preparation method thereof, using ethylene propylene diene rubber, epichlorohydrin rubber, ethylene-methyl acrylate copolymer
For resin matrix, working performance of the CABLE MATERIALS under high temperature strong corrosion environment is improved.Chinese patent CN102295804A is proposed
A kind of automobile electric wire thermoplastic halogen-free flame retarding material and its preparation and application, with polypropylene, Ethylene-butyl acrylate be copolymerized
Object, polyolefin elastomer etc. are obtained with anti-flammability, the CABLE MATERIALS of abrasion resistance, heat resistance, are used based on magnesium hydroxide, phosphorus
Composite flame-retardant agent supplemented by nitrogen based flame retardant, dosage are up to 75-120phr.Chinese patent CN105219006A proposes automotive line
It is a large amount of inorganic by addition in the material with the heat-resisting weather-proof polypropylene nano-composite insulating material of halogen-free flameproof and its preparation process
Hydroxide and obtain halogen-free anti-flaming polypropylene material.Chinese patent CN105037960A proposes a kind of automobile hydrolysis electricity
Cable material and preparation method thereof obtains the cable with excellent hydrolytic resistance capability with ethylene propylene diene rubber and tetrapropanate fluorine rubber etc.
Material.Chinese patent CN100451065C proposes halogen-free combustion-proof polypropylene high-speed abrasion, with propylene-ethylene
Copolymer, ethylene-octene copolymer, phosphor nitrogen combustion inhibitor etc. obtain high temperature resistant, fire-retardant auto initial line insulating materials, fire retardant
Dosage is 35-45 parts.Chinese patent CN204792173U proposes a kind of automobile Flexray high-speed bus cable, is led by setting
The structural parameters such as body filament diameter, thickness of dielectric layers, core pair twist pitch, obtain Flexray high-speed bus cable.It is Chinese special
Sharp CN101258561A is proposed normal less than 2.5 dielectric with 60 hertz based on the insulation of polyacrylic electric wire and cable or casing
Number.The above technology is difficult to meet vehicle-mounted Ethernet conducting wire to insulating materials dielectric properties, flame retardant property, insulation performance, aging
The demands such as energy.
Summary of the invention
The invention aims to solve dielectric properties, flame retardant property, the insulating properties of the insulating materials of existing method preparation
The problem of requirement of the vehicle-mounted Ethernet conducting wire to insulating materials capable of not being able to satisfy with ageing properties, and a kind of fire-retardant low dielectric is provided
Polypropylene material and preparation method and application.
The fire-retardant low dielectric polypropylene material of one kind is changed by 22 parts~55 parts acrylic resins, 5 parts~25 parts in parts by weight
Property resin, 20 parts~35 parts composite flame-retardant agents, 1 part~10 parts low dielectric fillers, 0.01~1.0 part of silane coupling agent, 0.001~
0.05 part of organic peroxide, 0.3 part~1.5 parts composite antioxidants and 0.5 part~2.5 parts composite auxiliary for processing are prepared.
A kind of preparation method of fire-retardant low dielectric polypropylene material, is completed by the following steps:
One, weighing: 22 parts~55 parts acrylic resins, 5 parts~25 parts modified resins, 20 parts~35 are weighed in parts by weight
Part composite flame-retardant agent, 1 part~10 parts low dielectric fillers, 0.01~1.0 part of silane coupling agent, 0.001~0.05 part of organic peroxy
Compound, 0.3 part~1.5 parts composite antioxidants and 0.5 part~2.5 parts composite auxiliary for processing；
Two, fire-retardant low dielectric function filler is prepared: by 0.01~1.0 part of silane coupling agent, 20 parts~35 parts composite flame-proofs
Agent and 1 part~10 parts low dielectric fillers be added to revolving speed be 500r/min~1500r/min high-speed mixer and mixing 1min~
5min adds 0.001 part~0.05 part organic peroxide, then in the high mixer that revolving speed is 1000r/min~1500r/min
Middle mixing 1min~10min obtains fire-retardant low dielectric function filler；
Three, functional master batch is prepared:
Fire-retardant low dielectric function filler that step 2 is obtained, 5 parts~25 parts modified resins, 0.3 part~1.5 parts it is compound anti-
Oxygen agent and 0.5 part~2.5 parts composite auxiliary for processing are added to the high-speed mixer and mixing that revolving speed is 500r/min~1500r/min
1min~5min is then added in double screw extruder and squeezes out, and obtains functional master batch；
The temperature setting of double screw extruder described in step 3 be 80 DEG C~120 DEG C of charging zone, 130 DEG C of compressional zone~
190 DEG C, 130 DEG C~190 DEG C of homogenization zone, 160 DEG C~210 DEG C of head；
Four, functional master batch obtained in step 3 and 22 parts~55 parts acrylic resins are added to revolving speed is 500r/min
High-speed mixer and mixing 1min~5min of~1500r/min, is then added in double screw extruder and squeezes out, and obtains fire-retardant low dielectric
Polypropylene insulation；
The temperature setting of double screw extruder described in step 4 is 100 DEG C~130 DEG C of charging zone, 170 DEG C of compressional zone
~200 DEG C, 180 DEG C~210 DEG C of homogenization zone, 200 DEG C~220 DEG C of head.
The fire-retardant low dielectric polypropylene material of one kind is for manufacturing vehicle-mounted Ethernet conducting wire.
Due to the implementation of above technical scheme, the invention has the following advantages over the prior art:
One, compared with polyethylene, polypropylene intensity with higher and long-term use temperature, compared with crosslinked polyethylene,
Polypropylene material be not necessarily to crosslinking process, heat-resisting 100 DEG C of technical requirements can be realized, the present invention using polypropylene as matrix resin,
The low dielectric polypropylene material of thermoplastic flame-proof that long-term operating temperature is 100 DEG C is obtained, has processing performance good, recyclable sharp
With, have excellent performance the advantages that；
Two, compared with polyvinyl chloride, polypropylene has lower dielectric constant, to design vehicle-mounted Ethernet wire insulation
Material provides possibility, and by using low-k filler, the present invention provides one kind to be provided simultaneously with flame retardant property and low Jie
The polypropylene material of electric constant can satisfy the technical need of vehicle-mounted Ethernet conducting wire, this is that the prior art does not have been reported that；
Three, the present invention realizes low dielectric filler and fire retardant using Chemical Grafting Technique on the basis of surface is modified
Between bonding, obtain with fire-retardant and low-k property functional stuffing, this technical method effectively increases function
Dispersibility of the energy filler in resin, and by the bonding between filler, solve the synergistic effect between different fillers, effectively
The effect of low dielectric filler is played；
Four, functional stuffing, is dispersed in modified resin, in modified resin by the method that the present invention utilizes functional master batch first
In use compatibility modifier resin and increasing tougheness modified resin, the former promotes the dispersion of functional stuffing, and the latter improves poly-
The toughness of propylene, functional master batch effectively increase the dispersion of filler, compared with prior art, have more significant advantage；
Five, the density of fire-retardant low dielectric polypropylene material prepared by the present invention is 1.10g/cm3~1.30g/cm3, stretch it is strong
Degree is 9.0MPa~15.0MPa, elongation at break is 150%~400%, oxygen index (OI) is 26~32, dielectric constant be 2.60~
2.75, volume resistivity 1010M~9 × 10 Ω14Ω m, dielectric strength are 20MV/m~30MV/m.
The present invention can get a kind of fire-retardant low dielectric polypropylene material.
Specific embodiment
Specific embodiment 1: present embodiment be a kind of fire-retardant low dielectric polypropylene material in parts by weight by 22 parts~
55 parts of acrylic resins, 5 parts~25 parts modified resins, 20 parts~35 parts composite flame-retardant agents, 1 part~10 parts low dielectric fillers,
0.01~1.0 part of silane coupling agent, 0.001~0.05 part of organic peroxide, 0.3 part~1.5 parts composite antioxidants and 0.5 part
~2.5 parts of composite auxiliary for processing are prepared.
Specific embodiment 2: the differences between this implementation mode and the specific implementation mode are that: the acrylic resin is
One of homopolypropylene resin and acrylic resin copolymer or its two kinds blend, melt index are 1.0~5.0g/
10min (230 DEG C, 2.16kg).Other steps are same as the specific embodiment one.
Specific embodiment 3: one of present embodiment and specific embodiment one or two difference are: the modification
Resin is the blend of one or both of compatibility modifier resin and increasing tougheness modified resin；The compatibility modifier tree
Rouge is ethylene-ethyl acrylate copolymer, ethylene-butyl acrylate copolymer, ethylene-octene copolymer and ethyl vinyl acetate second
One of enoate copolymer or in which several blends；Ethyl acrylate in the ethylene-ethyl acrylate copolymer
Mass fraction be 15%~30%, melt index be 0.5~3.0g/10min (190 DEG C, 2.16kg)；The ethylene-the third
The mass fraction of butyl acrylate is 15%~30% in olefin(e) acid acrylate copolymer, and melt index is 0.5~3.0g/10min
(190 DEG C, 2.16kg)；The mass fraction of vinylacetate is 14%~28% in the ethylene-vinyl acetate copolymer；
The increasing tougheness modified resin is the mixture of one or both of ethylene-octene copolymer and ethylene-butene copolymer,
Melt index is 0.5~2.0g/10min (190 DEG C, 2.16kg).Other steps are the same as one or two specific embodiments.
Specific embodiment 4: one of present embodiment and specific embodiment one to three difference are: described is compound
Fire retardant is made of main flame retardant and synergistic flame retardant or is made of main flame retardant, synergistic flame retardant and auxiliary flame retardant；Described
Main flame retardant is decabromodiphenylethane；The synergistic flame retardant is antimony oxide；The auxiliary flame retardant is zinc borate；Institute
The mass ratio of main flame retardant and synergistic flame retardant is (2~3) in the composite flame-retardant agent stated: 1, the mass fraction of auxiliary flame retardant is
0%~5%.Other steps are identical as specific embodiment one to three.
Specific embodiment 5: one of present embodiment and specific embodiment one to four difference are: low Jie
Electric filler is hollow glass micropearl, and partial size is 2 μm~50 μm.Other steps are identical as specific embodiment one to four.
Specific embodiment 6: one of present embodiment and specific embodiment one to five difference are: described is compound
Antioxidant is made of primary antioxidant, auxiliary antioxidant and matal deactivator；The primary antioxidant is four [β-(the tertiary fourths of 3,5- bis-
Base -4- hydroxy phenyl) propionic acid] pentaerythritol ester；The auxiliary antioxidant be phosphorous acid three (2,4- di-tert-butyl-phenyl) ester,
One of double lauryls of β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid n-octadecyl alcohol ester and thio-2 acid or in which
Several mixtures；The matal deactivator is bis- [β-(3,5- di-tert-butyl-hydroxy phenyl) propionyl] hydrazines of 1,2-；It is described
Composite antioxidant by primary antioxidant, auxiliary antioxidant and matal deactivator mass ratio be (1~5): (1~5): (1~5).
Other steps are identical as specific embodiment one to five.
Specific embodiment 7: one of present embodiment and specific embodiment one to six difference are: described is compound
Processing aid is made of external lubricant and calcium-zinc composite stabilizing agent；The external lubricant is polyethylene wax, point of polyethylene wax
Son amount is 5000~10000；In the composite auxiliary for processing mass ratio of external lubricant and calcium-zinc composite stabilizing agent be (1~
2): (1~3).Other steps are identical as specific embodiment one to six.
Specific embodiment 8: one of present embodiment and specific embodiment one to seven difference are: the silane
Coupling agent is vinyltrimethoxysilane, vinyltriethoxysilane, vinyl three ('beta '-methoxy ethyoxyl) silane, second
One of three tert-butoxy silane of alkenyl, vinyl silane tri-butyl peroxy and vinyltriacetoxy silane or in which
Several mixtures；The organic peroxide is benzoyl peroxide or cumyl peroxide.Other steps and specific
Embodiment one to seven is identical.
Specific embodiment 9: present embodiment is a kind of preparation method of fire-retardant low dielectric polypropylene material, be by with
What lower step was completed:
One, weighing: 22 parts~55 parts acrylic resins, 5 parts~25 parts modified resins, 20 parts~35 are weighed in parts by weight
Part composite flame-retardant agent, 1 part~10 parts low dielectric fillers, 0.01~1.0 part of silane coupling agent, 0.001~0.05 part of organic peroxy
Compound, 0.3 part~1.5 parts composite antioxidants and 0.5 part~2.5 parts composite auxiliary for processing；
Two, fire-retardant low dielectric function filler is prepared: by 0.01~1.0 part of silane coupling agent, 20 parts~35 parts composite flame-proofs
Agent and 1 part~10 parts low dielectric fillers be added to revolving speed be 500r/min~1500r/min high-speed mixer and mixing 1min~
5min adds 0.001 part~0.05 part organic peroxide, then in the high mixer that revolving speed is 1000r/min~1500r/min
Middle mixing 1min~10min obtains fire-retardant low dielectric function filler；
Three, functional master batch is prepared:
Fire-retardant low dielectric function filler that step 2 is obtained, 5 parts~25 parts modified resins, 0.3 part~1.5 parts it is compound anti-
Oxygen agent and 0.5 part~2.5 parts composite auxiliary for processing are added to the high-speed mixer and mixing that revolving speed is 500r/min~1500r/min
1min~5min is then added in double screw extruder and squeezes out, and obtains functional master batch；
The temperature setting of double screw extruder described in step 3 be 80 DEG C~120 DEG C of charging zone, 130 DEG C of compressional zone~
190 DEG C, 130 DEG C~190 DEG C of homogenization zone, 160 DEG C~210 DEG C of head；
Four, functional master batch obtained in step 3 and 22 parts~55 parts acrylic resins are added to revolving speed is 500r/min
High-speed mixer and mixing 1min~5min of~1500r/min, is then added in double screw extruder and squeezes out, and obtains fire-retardant low dielectric
Polypropylene insulation；
The temperature setting of double screw extruder described in step 4 is 100 DEG C~130 DEG C of charging zone, 170 DEG C of compressional zone
~200 DEG C, 180 DEG C~210 DEG C of homogenization zone, 200 DEG C~220 DEG C of head.
Due to the implementation of above technical scheme, present embodiment has the advantages that compared with prior art
One, compared with polyethylene, polypropylene intensity with higher and long-term use temperature, compared with crosslinked polyethylene,
Polypropylene material is not necessarily to crosslinking process, heat-resisting 100 DEG C of technical requirements can be realized, present embodiment is using polypropylene as matrix tree
Rouge obtains the low dielectric polypropylene material of thermoplastic flame-proof that long-term operating temperature is 100 DEG C, with processing performance is good, can return
Receive the advantages that utilizing, haveing excellent performance；
Two, compared with polyvinyl chloride, polypropylene has lower dielectric constant, to design vehicle-mounted Ethernet wire insulation
Material provides possibility, by using low-k filler, present embodiments provide for one kind be provided simultaneously with flame retardant property and
The polypropylene material of low-k can satisfy the technical need of vehicle-mounted Ethernet conducting wire, this is that the prior art does not have been reported that
's；
Three, present embodiment realizes low dielectric filler and resistance using Chemical Grafting Technique on the basis of surface is modified
The bonding between agent is fired, is obtained with fire-retardant and low-k property functional stuffing, this technical method effectively improves
Dispersibility of the functional stuffing in resin, and by the bonding between filler, solve the synergistic effect between different fillers,
The effect of low dielectric filler is effectively played；
Four, functional stuffing, is dispersed in modified resin, in modification by the method that present embodiment utilizes functional master batch first
Compatibility modifier resin and increasing tougheness modified resin are used in resin, the former promotes the dispersion of functional stuffing, and the latter improves
Polyacrylic toughness, functional master batch effectively increase the dispersion of filler, compared with prior art, have more significant advantage；
Five, the density of the fire-retardant low dielectric polypropylene material of present embodiment preparation is 1.10g/cm3~1.30g/cm3, draw
Stretch that intensity is 9.0MPa~15.0MPa, elongation at break is 150%~400%, oxygen index (OI) is 26~32, dielectric constant is
2.60~2.75, volume resistivity 1010M~9 × 10 Ω14Ω m, dielectric strength are 20MV/m~30MV/m.
Present embodiment can get a kind of fire-retardant low dielectric polypropylene material.
Specific embodiment 10: present embodiment is the fire-retardant low dielectric polypropylene material of one kind for manufacturing vehicle-mounted Ethernet
Conducting wire.
Beneficial effects of the present invention are verified using following embodiment:
Embodiment one: a kind of preparation method of fire-retardant low dielectric polypropylene material is completed by the following steps:
One, weighing: 45 parts of acrylic resins, 20 parts of modified resins, 30 parts of composite flame-retardant agents, 2.5 are weighed in parts by weight
Part low dielectric filler, 0.5 part of silane coupling agent, 0.005 part of organic peroxide, 1.0 parts of composite antioxidants and 1.5 parts it is compound plus
Work auxiliary agent；
Acrylic resin described in step 1 is copolymer polypropylene；
Modified resin described in step 1 is the mixing of ethylene-vinyl acetate copolymer and ethylene-octene copolymer
Object, wherein the mass ratio of ethylene-vinyl acetate copolymer and ethylene-octene copolymer is 8:12；
Composite flame-retardant agent described in step 1 is the mixture of decabromodiphenylethane and antimony oxide, wherein ten bromines two
The mass ratio of vinylbenzene and antimony oxide is 2:1；
Composite antioxidant described in step 1 is four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythrites
Ester, (2,4- di-tert-butyl-phenyl) ester of phosphorous acid three and bis- [β-(3,5- di-tert-butyl-hydroxy phenyl) propionyl] hydrazines of 1,2-
Mixture, wherein four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters, (2, the 4- bis- tertiary fourths of phosphorous acid three
Base phenyl) mass ratioes of ester and bis- [β-(3,5- di-tert-butyl-hydroxy phenyl) propionyl] hydrazines of 1,2- is 4:3:3；
Composite auxiliary for processing described in step 1 is the mixture of polyethylene wax and calcium-zinc composite stabilizing agent, wherein poly- second
The mass ratio of alkene wax and calcium-zinc composite stabilizing agent is 2:1, and the molecular weight of polyethylene wax is 10000；
Low dielectric filler described in step 1 is hollow glass micropearl, and partial size is 3 μm~5 μm；
Silane coupling agent described in step 1 is vinyltriethoxysilane；
Organic peroxide described in step 1 is benzoyl peroxide；
Two, fire-retardant low dielectric function filler is prepared: by 0.5 part of silane coupling agent, 30 parts of composite flame-retardant agents and 2.5 parts of low Jie
Electric filler is added to the high-speed mixer and mixing 3min that revolving speed is 1500r/min, adds 0.005 part of organic peroxide, then
Temperature is the high-speed mixer and mixing 5min of 1500r/min, obtains fire-retardant low dielectric function filler；
Three, functional master batch is prepared:
Fire-retardant low dielectric function filler that step 2 is obtained, 20 parts of modified resins, 1.0 parts of composite antioxidants and 1.5 parts
Composite auxiliary for processing is added to the high-speed mixer and mixing 5min that revolving speed is 1000r/min, is then added in double screw extruder and squeezes
Out, functional master batch is obtained；
The temperature setting of double screw extruder described in step 3 is 80 DEG C of charging zone, 140 DEG C of compressional zone, homogenization zone
160 DEG C, 190 DEG C of head；
Four, functional master batch obtained in step 3 and 45 parts of acrylic resins the height that revolving speed is 500r/min is added to mix
2min is mixed in machine, is then added in double screw extruder and squeezes out, and obtains fire-retardant low dielectric polypropylene insulation；
The temperature setting of double screw extruder described in step 4 is 120 DEG C of charging zone, 180 DEG C of compressional zone, homogenization zone
200 DEG C, 210 DEG C of head.
The density of fire-retardant low dielectric polypropylene material prepared by embodiment one is 1.22g/cm3, tensile strength be
11.5MPa, elongation at break 180%, oxygen index (OI) 27, dielectric constant 2.63, volume resistivity are 1.5 × 1014Ω·
M, dielectric strength is 30MV/m, and manufactured conducting wire meets vehicle-mounted Ethernet lead technology requirement.
Embodiment two: a kind of preparation method of fire-retardant low dielectric polypropylene material is completed by the following steps:
One, weighing: 36 parts of acrylic resins, 25 parts of modified resins, 32 parts of composite flame-retardant agents, 4.5 are weighed in parts by weight
Part low dielectric filler, 0.8 part of silane coupling agent, 0.01 part of organic peroxide, 1.0 parts of composite antioxidants and 1.5 parts it is compound plus
Work auxiliary agent；
Acrylic resin described in step 1 is homopolypropylene resin；
Modified resin described in step 1 is the mixing of ethylene-butyl acrylate copolymer and ethylene-octene copolymer
Object, wherein the mass ratio of ethylene-butyl acrylate copolymer and ethylene-octene copolymer is 8:17；
Composite flame-retardant agent described in step 1 is the mixture of decabromodiphenylethane and antimony oxide, wherein ten bromines two
The mass ratio of vinylbenzene and antimony oxide is 24:8；
Composite antioxidant described in step 1 is four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythrites
Ester, (2,4- di-tert-butyl-phenyl) ester of phosphorous acid three and bis- [β-(3,5- di-tert-butyl-hydroxy phenyl) propionyl] hydrazines of 1,2-
Mixture, wherein four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters, (2, the 4- bis- tertiary fourths of phosphorous acid three
Base phenyl) mass ratioes of ester and bis- [β-(3,5- di-tert-butyl-hydroxy phenyl) propionyl] hydrazines of 1,2- is 4:2:4；
Composite auxiliary for processing described in step 1 is the mixture of polyethylene wax and calcium-zinc composite stabilizing agent, wherein poly- second
The mass ratio of alkene wax and calcium-zinc composite stabilizing agent is 8:7, and the molecular weight of polyethylene wax is 5000；
Low dielectric filler described in step 1 is hollow glass micropearl, and partial size is 5 μm~10 μm；
Silane coupling agent described in step 1 is vinyltrimethoxysilane；
Organic peroxide described in step 1 is benzoyl peroxide；
Two, fire-retardant low dielectric function filler is prepared: by 0.8 part of silane coupling agent, 32 parts of composite flame-retardant agents and 4.5 parts of low Jie
Electric filler is added to the high-speed mixer and mixing 2min that revolving speed is 1500r/min, adds 0.01 part of organic peroxide, then in temperature
Degree is the high-speed mixer and mixing 8min of 1000r/min, obtains fire-retardant low dielectric function filler；
Three, functional master batch is prepared:
Fire-retardant low dielectric function filler that step 2 is obtained, 25 parts of modified resins, 1.0 parts of composite antioxidants and 1.5 parts
Composite auxiliary for processing is added to the high-speed mixer and mixing 5min that revolving speed is 1000r/min, is then added in double screw extruder and squeezes
Out, functional master batch is obtained；
The temperature setting of double screw extruder described in step 3 is 80 DEG C of charging zone, 140 DEG C of compressional zone, homogenization zone
150 DEG C, 180 DEG C of head；
Four, functional master batch obtained in step 3 and 36 parts of acrylic resins the height that revolving speed is 500r/min is added to mix
5min is mixed in machine, is then added in double screw extruder and squeezes out, and obtains fire-retardant low dielectric polypropylene insulation；
The temperature setting of double screw extruder described in step 4 is 120 DEG C of charging zone, 180 DEG C of compressional zone, homogenization zone
200 DEG C, 210 DEG C of head.
The density of fire-retardant low dielectric polypropylene material prepared by embodiment two is 1.25g/cm3, tensile strength be
10.0MPa, elongation at break 280%, oxygen index (OI) 28, dielectric constant 2.67, volume resistivity are 8.0 × 1013Ω·
M, dielectric strength is 28MV/m, and manufactured conducting wire meets vehicle-mounted Ethernet lead technology requirement.
Embodiment three: a kind of preparation method of fire-retardant low dielectric polypropylene material is completed by the following steps:
One, weighing: 35 parts of acrylic resins, 25 parts of modified resins, 30 parts of composite flame-retardant agents, 7.5 are weighed in parts by weight
Part low dielectric filler, 1.0 parts of silane coupling agents, 0.015 part of organic peroxide, 1.0 parts of composite antioxidants and 1.5 parts it is compound plus
Work auxiliary agent；
Acrylic resin described in step 1 is the mixture of homopolypropylene resin and acrylic resin copolymer, wherein
Homopolypropylene resin and the mass ratio of acrylic resin copolymer are 22:13；
Modified resin described in step 1 is the mixing of ethylene-vinyl acetate copolymer and ethylene-octene copolymer
Object, wherein the mass ratio of ethylene-vinyl acetate copolymer and ethylene-octene copolymer is 5:20；
Composite flame-retardant agent described in step 1 is the mixture of decabromodiphenylethane, antimony oxide and zinc borate,
The mass ratio of middle decabromodiphenylethane, antimony oxide and zinc borate is 18:7:5；
Composite antioxidant described in step 1 is four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythrites
Ester, β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid n-octadecyl alcohol ester and the bis- [β-(3,5- di-t-butyl -4- hydroxyls of 1,2-
Phenyl) propionyl] hydrazine mixture, wherein four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters, β-(3,
5- di-tert-butyl-hydroxy phenyl) propionic acid n-octadecyl alcohol ester and the bis- [β-(3,5- di-tert-butyl-hydroxy phenyl) third of 1,2-
Acyl] hydrazine mass ratio be 3:3:4；
Composite auxiliary for processing described in step 1 is the mixture of polyethylene wax and calcium-zinc composite stabilizing agent, wherein poly- second
The mass ratio of alkene wax and calcium-zinc composite stabilizing agent is 2:1, and the molecular weight of polyethylene wax is 10000；
Low dielectric filler described in step 1 is hollow glass micropearl, and partial size is 3 μm~5 μm；
Silane coupling agent described in step 1 is vinyl three ('beta '-methoxy ethyoxyl) silane；
Organic peroxide described in step 1 is benzoyl peroxide；
Two, fire-retardant low dielectric function filler is prepared: by 1.0 parts of silane coupling agents, 30 parts of composite flame-retardant agents and 7.5 parts of low Jie
Electric filler is added to the high-speed mixer and mixing 2min that revolving speed is 1500r/min, adds 0.015 part of organic peroxide, then
The high-speed mixer and mixing 3min of 1500r/min obtains fire-retardant low dielectric function filler；
Three, functional master batch is prepared:
Fire-retardant low dielectric function filler that step 2 is obtained, 25 parts of modified resins, 1.0 parts of composite antioxidants and 1.5 parts
Composite auxiliary for processing is added to the high-speed mixer and mixing 4min that revolving speed is 1000r/min, is then added in double screw extruder and squeezes
Out, functional master batch is obtained；
The temperature setting of double screw extruder described in step 3 is 80 DEG C of charging zone, 140 DEG C of compressional zone, homogenization zone
160 DEG C, 170 DEG C of head；
Four, functional master batch obtained in step 3 and 35 parts of acrylic resins the height that revolving speed is 500r/min is added to mix
2min is mixed in machine, is then added in double screw extruder and squeezes out, and obtains fire-retardant low dielectric polypropylene insulation；
The temperature setting of double screw extruder described in step 4 is 120 DEG C of charging zone, 180 DEG C of compressional zone, homogenization zone
200 DEG C, 210 DEG C of head.
The density of fire-retardant low dielectric polypropylene material prepared by embodiment three is 1.18g/cm3, tensile strength be
13.0MPa, elongation at break 220%, oxygen index (OI) 27, dielectric constant 2.61, volume resistivity are 3.0 × 1014Ω·
M, dielectric strength is 28MV/m, and manufactured conducting wire meets vehicle-mounted Ethernet lead technology requirement.
Claims (10)
1. a kind of fire-retardant low dielectric polypropylene material, it is characterised in that a kind of fire-retardant low dielectric polypropylene material in parts by weight by
22 parts~55 parts acrylic resins, 5 parts~25 parts modified resins, 20 parts~35 parts composite flame-retardant agents, 1 part~10 parts low dielectrics are filled out
Material, 0.01~1.0 part of silane coupling agent, 0.001~0.05 part of organic peroxide, 0.3 part~1.5 parts composite antioxidants and
0.5 part~2.5 parts composite auxiliary for processing are prepared.
2. the fire-retardant low dielectric polypropylene material of one kind according to claim 1, it is characterised in that the acrylic resin
For one of homopolypropylene resin and acrylic resin copolymer or its two kinds blend, melt index is 1.0~5.0g/
10min (230 DEG C, 2.16kg).
3. the fire-retardant low dielectric polypropylene material of one kind according to claim 1, it is characterised in that the modified resin is
The blend of one or both of compatibility modifier resin and increasing tougheness modified resin；The compatibility modifier resin is second
Alkene-ethyl acrylate copolymer, ethylene-butyl acrylate copolymer, ethylene-octene copolymer and ethylene-vinyl acetate are total
One of polymers or in which several blends；The quality of ethyl acrylate in the ethylene-ethyl acrylate copolymer
Score is 15%~30%, and melt index is 0.5~3.0g/10min (190 DEG C, 2.16kg)；The ethylene-acrylic acid fourth
In ester copolymer the mass fraction of butyl acrylate be 15%~30%, melt index be 0.5~3.0g/10min (190 DEG C,
2.16kg)；The mass fraction of vinylacetate is 14%~28% in the ethylene-vinyl acetate copolymer；Described
Increasing tougheness modified resin is the mixture of one or both of ethylene-octene copolymer and ethylene-butene copolymer, and melting refers to
Number is 0.5~2.0g/10min (190 DEG C, 2.16kg).
4. the fire-retardant low dielectric polypropylene material of one kind according to claim 1, it is characterised in that the composite flame-retardant agent
It is made of main flame retardant and synergistic flame retardant or is made of main flame retardant, synergistic flame retardant and auxiliary flame retardant；The master is fire-retardant
Agent is decabromodiphenylethane；The synergistic flame retardant is antimony oxide；The auxiliary flame retardant is zinc borate；Described answers
Closing the mass ratio of main flame retardant and synergistic flame retardant in fire retardant is (2~3): 1, the mass fraction of auxiliary flame retardant is 0%~
5%.
5. the fire-retardant low dielectric polypropylene material of one kind according to claim 1, it is characterised in that the low dielectric filler
For hollow glass micropearl, partial size is 2 μm~50 μm.
6. the fire-retardant low dielectric polypropylene material of one kind according to claim 1, it is characterised in that the composite antioxidant
It is made of primary antioxidant, auxiliary antioxidant and matal deactivator；The primary antioxidant is four [β-(3,5- di-t-butyl -4- hydroxyls
Base phenyl) propionic acid] pentaerythritol ester；The auxiliary antioxidant is phosphorous acid three (2,4- di-tert-butyl-phenyl) ester, β-(3,5-
Di-tert-butyl-hydroxy phenyl) one of double lauryls of propionic acid n-octadecyl alcohol ester and thio-2 acid or in which several
Mixture；The matal deactivator is bis- [β-(3,5- di-tert-butyl-hydroxy phenyl) propionyl] hydrazines of 1,2-；Described is compound
Antioxidant is (1~5): (1~5): (1~5) by the mass ratio of primary antioxidant, auxiliary antioxidant and matal deactivator.
7. the fire-retardant low dielectric polypropylene material of one kind according to claim 1, it is characterised in that the Compound Machining helps
Agent is made of external lubricant and calcium-zinc composite stabilizing agent；The external lubricant is polyethylene wax, and the molecular weight of polyethylene wax is
5000~10000；The mass ratio of external lubricant and calcium-zinc composite stabilizing agent is (1~2) in the composite auxiliary for processing: (1~
3)。
8. the fire-retardant low dielectric polypropylene material of one kind according to claim 1, it is characterised in that the silane coupling agent
For vinyltrimethoxysilane, vinyltriethoxysilane, vinyl three ('beta '-methoxy ethyoxyl) silane, vinyl three
One of tert-butoxy silane, vinyl silane tri-butyl peroxy and vinyltriacetoxy silane or in which several
Mixture；The organic peroxide is benzoyl peroxide or cumyl peroxide.
9. a kind of preparation method of fire-retardant low dielectric polypropylene material as described in claim 1, it is characterised in that a kind of fire-retardant
The preparation method of low dielectric polypropylene material is completed by the following steps:
One, weighing: weigh in parts by weight 22 parts~55 parts acrylic resins, 5 parts~25 parts modified resins, 20 parts~35 parts it is multiple
Close fire retardant, 1 part~10 parts low dielectric fillers, 0.01~1.0 part of silane coupling agent, 0.001~0.05 part of organic peroxide,
0.3 part~1.5 parts composite antioxidants and 0.5 part~2.5 parts composite auxiliary for processing；
Two, fire-retardant low dielectric function filler is prepared: by 0.01~1.0 part of silane coupling agent, 20 parts~35 parts composite flame-retardant agents and 1
Part~10 parts of low dielectric fillers are added to high-speed mixer and mixing 1min~5min that revolving speed is 500r/min~1500r/min, then
0.001 part~0.05 part organic peroxide is added, then in the high-speed mixer and mixing that revolving speed is 1000r/min~1500r/min
1min~10min obtains fire-retardant low dielectric function filler；
Three, functional master batch is prepared:
Fire-retardant low dielectric function filler, 5 parts~25 parts modified resins, 0.3 part~1.5 parts composite antioxidants that step 2 is obtained
With 0.5 part~2.5 parts composite auxiliary for processing be added to revolving speed be 500r/min~1500r/min high-speed mixer and mixing 1min~
5min is then added in double screw extruder and squeezes out, and obtains functional master batch；
The temperature setting of double screw extruder described in step 3 is 80 DEG C~120 DEG C of charging zone, compressional zone 130 DEG C~190
DEG C, 130 DEG C~190 DEG C of homogenization zone, 160 DEG C~210 DEG C of head；
Four, by functional master batch obtained in step 3 and 22 parts~55 parts acrylic resins be added to revolving speed be 500r/min~
High-speed mixer and mixing 1min~5min of 1500r/min, is then added in double screw extruder and squeezes out, and it is poly- to obtain fire-retardant low dielectric
Propylene insulating materials；
The temperature setting of double screw extruder described in step 4 is 100 DEG C~130 DEG C of charging zone, compressional zone 170 DEG C~200
DEG C, 180 DEG C~210 DEG C of homogenization zone, 200 DEG C~220 DEG C of head.
10. a kind of application of fire-retardant low dielectric polypropylene material as described in claim 1, it is characterised in that a kind of fire-retardant low Jie
Voltolisation propylene material is for manufacturing vehicle-mounted Ethernet conducting wire.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110922678A (en) * | 2019-12-13 | 2020-03-27 | 天津金发新材料有限公司 | Low-odor heat-aging-resistant glass fiber reinforced polypropylene material and preparation method thereof |
| CN112321897A (en) * | 2020-09-14 | 2021-02-05 | 浙江华正新材料股份有限公司 | Functional dielectric filler and preparation method and application thereof |
| CN112679855A (en) * | 2020-12-28 | 2021-04-20 | 武汉金发科技有限公司 | 5G low-specific-gravity low-dielectric high-heat-resistant flame-retardant polypropylene composite material and preparation method thereof |
| CN112724522A (en) * | 2020-12-28 | 2021-04-30 | 武汉金发科技有限公司 | Low-dielectric high-heat-resistant flame-retardant polypropylene composite material for 5G and preparation method thereof |
| CN113773581A (en) * | 2021-09-28 | 2021-12-10 | 九山电缆有限公司 | Recyclable environment-friendly cable and preparation method thereof |
| CN115819882A (en) * | 2022-12-02 | 2023-03-21 | 哈尔滨理工大学 | Interface structure regulation and control heat conduction and insulation polyolefin composite material and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107236186A (en) * | 2017-06-14 | 2017-10-10 | 广东圆融新材料有限公司 | A kind of low-density stiffened transparent flame-retarding polypropylene material and preparation method thereof |
| CN108017902A (en) * | 2017-11-28 | 2018-05-11 | 安徽华源电缆集团有限公司 | A kind of cable braid shielded layer material |
| CN108148266A (en) * | 2016-12-06 | 2018-06-12 | 青岛绿谷生物科技有限公司 | Hollow glass micropearl filling modified polypropylene material |
| CN108219288A (en) * | 2016-12-15 | 2018-06-29 | 上海杰事杰新材料(集团)股份有限公司 | A kind of low-dielectric loss high durable PP composite material and preparation method thereof |
| CN108276634A (en) * | 2018-01-23 | 2018-07-13 | 合肥达户电线电缆科技有限公司 | A kind of soft type fire-resistant cable material and preparation method thereof |
| CN109320843A (en) * | 2018-10-11 | 2019-02-12 | 安庆市泽烨新材料技术推广服务有限公司 | Polypropylene flame redardant thermal insulation material and preparation method thereof |
-
2019
- 2019-03-27 CN CN201910240948.7A patent/CN109912890A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108148266A (en) * | 2016-12-06 | 2018-06-12 | 青岛绿谷生物科技有限公司 | Hollow glass micropearl filling modified polypropylene material |
| CN108219288A (en) * | 2016-12-15 | 2018-06-29 | 上海杰事杰新材料(集团)股份有限公司 | A kind of low-dielectric loss high durable PP composite material and preparation method thereof |
| CN107236186A (en) * | 2017-06-14 | 2017-10-10 | 广东圆融新材料有限公司 | A kind of low-density stiffened transparent flame-retarding polypropylene material and preparation method thereof |
| CN108017902A (en) * | 2017-11-28 | 2018-05-11 | 安徽华源电缆集团有限公司 | A kind of cable braid shielded layer material |
| CN108276634A (en) * | 2018-01-23 | 2018-07-13 | 合肥达户电线电缆科技有限公司 | A kind of soft type fire-resistant cable material and preparation method thereof |
| CN109320843A (en) * | 2018-10-11 | 2019-02-12 | 安庆市泽烨新材料技术推广服务有限公司 | Polypropylene flame redardant thermal insulation material and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 刘德峥: "《精细化工生产工艺学》", 30 June 2000, 化学工业出版社 * |
| 王文广: "《"十三五"普通高等教育本科规划教材 聚合物改性原理》", 31 March 2018, 中国轻工业出版社 * |
| 韩哲文: "《高分子科学教程 第2版》", 28 February 2011, 华东理工大学出版 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110922678A (en) * | 2019-12-13 | 2020-03-27 | 天津金发新材料有限公司 | Low-odor heat-aging-resistant glass fiber reinforced polypropylene material and preparation method thereof |
| CN112321897A (en) * | 2020-09-14 | 2021-02-05 | 浙江华正新材料股份有限公司 | Functional dielectric filler and preparation method and application thereof |
| CN112679855A (en) * | 2020-12-28 | 2021-04-20 | 武汉金发科技有限公司 | 5G low-specific-gravity low-dielectric high-heat-resistant flame-retardant polypropylene composite material and preparation method thereof |
| CN112724522A (en) * | 2020-12-28 | 2021-04-30 | 武汉金发科技有限公司 | Low-dielectric high-heat-resistant flame-retardant polypropylene composite material for 5G and preparation method thereof |
| CN113773581A (en) * | 2021-09-28 | 2021-12-10 | 九山电缆有限公司 | Recyclable environment-friendly cable and preparation method thereof |
| CN115819882A (en) * | 2022-12-02 | 2023-03-21 | 哈尔滨理工大学 | Interface structure regulation and control heat conduction and insulation polyolefin composite material and preparation method thereof |
| CN115819882B (en) * | 2022-12-02 | 2023-07-07 | 哈尔滨理工大学 | Interface structure-regulated heat-conducting insulating polyolefin composite material and preparation method thereof |
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