CN106496757A - A kind of resistance to 150 DEG C are exempted from irradiation oil-resistant low-smoke halogen-free flame-retardant cable material of polyolefin and preparation method thereof - Google Patents
A kind of resistance to 150 DEG C are exempted from irradiation oil-resistant low-smoke halogen-free flame-retardant cable material of polyolefin and preparation method thereof Download PDFInfo
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- 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
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- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
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- 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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
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- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- C08L2205/00—Polymer mixtures characterised by other features
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Abstract
A kind of resistance to 150 DEG C are exempted from irradiation oil-resistant low-smoke halogen-free flame-retardant cable material of polyolefin and preparation method thereof, it is characterised in that：Composition of raw materials is made up of the material of following weight portion：20～50 portions of ethylene-vinyl acetate copolymers, 10～30 portions of polyurethane rubbers, 30 45 portions of high density polyethylene (HDPE)s, 5～20 portions of copolymerization fluorosioloxane rubber, 50～150 portions of halogen-free flame retardants, 5～20 portions of compatilizers, 1～2 portion of vulcanizing agent, 1.5～3 portions of age resistor, 2～5 portions of antioxidant, 3～6 portions of lubricants, 15～30 portions of reinforcing agents.Composition of raw materials is added high-speed mixer mixing, extruder pelletize is added, is obtained master batch；Masterbatch, polyurethane rubber, high density polyethylene (HDPE), compatilizer, remaining halogen-free flame retardants are added in banbury, plasticizing extrusion pelletizing in the double rank mixing units of twin screw/single screw rod is entered after banburying, product is obtained.Cable material of polyolefin provided by the present invention is without the need for cross-linking radiation, you can obtain the performances such as more excellent oil resistance, heat-resisting quantity, high fire-retardance.
Description
It is related to field
The invention belongs to cable material technical field, more particularly to a kind of resistance to 150 DEG C are exempted from irradiation oil-resistant low-smoke halogen-free flame-retardant polyene
Hydrocarbon CABLE MATERIALS and preparation method thereof.
Background technology
Low-smoke halogen-free flame-proof cable material is got in electric wire field because possessing environmental protection, low cigarette, the superior performance such as fire-retardant
Receive an acclaim to get over and pay attention to, be the potential replacer of conventional polyvinyl chloride CABLE MATERIALS.In the last few years, with domestic low smoke and zero halogen
The research of fire-resistant cable material deepens continuously, and the development of electric cable material with low smoke and halogen free is quite rapid, and its developing direction is from environmental protection, resistance
The basic demands such as combustion change towards high fire-retardance, cracking resistance, oil resistant, the high request such as wear-resisting, warping strength, cold-resistant.Such as cable for ship, machine
Car cable, photovoltaic cable etc., these cables have high temperature resistant to varying degrees（125 DEG C or 150 DEG C）, oil resistant（Mineral oil
With fuel oil）, high fire-retardance etc. requires.
Common low-smoke halogen-free flame-proof cable material mostly is with polyolefin（Such as ethylene-vinyl acetate copolymer, polyethylene）For
The blend of matrix resin, hydroxide for fire retardant.Its temperature resistant grade is relatively low, usually, is 90 DEG C of temperature classifications, but will do
To resistance to 125 DEG C of even more highs, just must realize by chemically or physically, it can be common that the method for cross-linking radiation.But spoke
According to cross-linking apparatus infusion of financial resources is big, management and control is strict；The setting of irradiation technique, also increases time and the economy of subsequent machining technology
Cost, it has not been convenient to which client uses；Therefore, this production method is not adopted by most of producers.
In recent years, the construction of greatly developing with railway construction in China, especially High-speed Railway Network, is the national warp of China
Ji development is filled with powerful vigor." blood vessel " and " nerve " of the locomotive cable for train, is that can train normally adjust traveling
Key.With requirement more and more higher of the train to electric wire, traditional halogen wire and cable and common low-smoke halogen-free cable
Be not suitable for using, the high property locomotive cable of new low-smoke non-halogen flame-retardant arises at the historic moment, high performance locomotive cable is with low
Cigarette halogen-free cable material appears in the newspapers：Patent CN 104530549A discloses a kind of high cold-resistant cross-linking radiation low cigarette of locomotive vehicle
Non-halogen flame-retardant cable and preparation method thereof；Patent CN 102295794B discloses a kind of locomotive thin-walled line and is handed over 105 DEG C of irradiation
Connection low-smoke halogen-free flame-retardant sheath material and preparation and application；Patent CN 105504480A discloses a kind of Locomotive engine cable and is handed over irradiation
Connection low smoke halogen-free flame-retardant polyolefin material etc..These patents are cross-linking radiation CABLE MATERIALS, and are not 150 DEG C of temperature classifications.Examine
Consider the oil resistant requirement of locomotive cable, a lot of cable manufacturers expect that developing a kind of resistance to 150 DEG C exempts from irradiation oil resistant low smoke and zero halogen
Flame-proof polyolefine cable material, directly extrudes into line without the need for cross-linking radiation, simple and convenient, is suitable for overwhelming majority cable factory and uses, but
Not yet there is a kind of open report of such resistance to 150 DEG C of oil resistants irradiation low smoke halogen-free fire retardant polyolefin cable material so far.
Content of the invention
It is an object of the invention to provide a kind of resistance to 150 DEG C are exempted from irradiation oil-resistant low-smoke halogen-free flame-retardant cable material of polyolefin, and
Further provide for a kind of preparation method of the CABLE MATERIALS.
To achieve the above object of the invention, the technical solution used in the present invention is：A kind of resistance to 150 DEG C exempt from the low cigarette of irradiation oil resistant without
Halogen flame-proof polyolefine cable material, composition of raw materials are made up of the material of following weight portion：
20～50 parts of ethylene-vinyl acetate copolymer,
10～30 parts of polyurethane rubber,
High density polyethylene (HDPE) 30-45 parts,
5～20 parts of copolymerization fluorosioloxane rubber,
50～150 parts of halogen-free flame retardants,
5～20 parts of compatilizer,
1～2 part of vulcanizing agent,
1.5～3 parts of age resistor,
2～5 parts of antioxidant,
3～6 parts of lubricant,
15～30 parts of reinforcing agent；
Wherein, the ethylene-vinyl acetate copolymer is ethene-vinyl acetate of the weight content of vinylacetate more than 33%
Copolymer；
It is main body Material synthesis with unsaturation that the polyurethane rubber is polyether polyol and '-diphenylmethane diisocyanate
The rubber of structure；
The copolymerization fluorosioloxane rubber is the copolymerization fluorosioloxane rubber with γ trifluoro propyl methylsiloxanes as construction unit；
The vulcanizing agent is the one kind or two in cumyl peroxide and 2,5- dimethyl -2,5- di-t-butyl peroxy hexanes
The blend that plants.
Relevant content in above-mentioned technical proposal is explained as follows：
1. in such scheme, preferably scheme is the HDPE of the preferred high-crystallinity of the high density polyethylene (HDPE) and fuel oil resistance, should
The retention rate of the HDPE of high-crystallinity and fuel oil resistance tensile strength and elongation at break after leaching fuel oil is 70% ~ 130%
Between.
2., in such scheme, preferably scheme is the ethylene-vinyl acetate copolymer（English abbreviation EVM）For acetic acid
Vinyl acetate（English abbreviation VA）Weight content be 40%, 50% or 70% ethylene-vinyl acetate copolymer.
3., in such scheme, preferably scheme is that the polyurethane rubber is millable polyurethane elastomer.
4., in such scheme, the halogen-free flame retardants is selected from aluminium hydroxide（English abbreviation ATH）, magnesium hydroxide（English letter
Claim MDH）, melamine cyanurate（English abbreviation MCA）And it is any one or any two or more in hypo-aluminum orthophosphate
Mixture, wherein, the mean diameter of the aluminium hydroxide and magnesium hydroxide is no more than 3.5 microns.
5., in such scheme, the compatilizer is the intoxicated grafted polyethylene resin of maleic acid.
6. in such scheme, cumyl peroxide English abbreviation DCP；2,5- dimethyl -2,5- di-t-butyl peroxies
Hexane, also known as double two or five vulcanizing agents, abbreviation DBPH.
7., in such scheme, the age resistor is that antioxidant MB and the mixture of antioxidant D NP, the mass ratio of the two are
Antioxidant MB：Antioxidant D NP=2～4：1.
8., in such scheme, the antioxidant is antioxidant 1010, anti-oxidant DLTP, antioxidant 300 and antioxidant
445 4 mixture, four mass ratio is antioxidant 1010：Anti-oxidant DLTP：Antioxidant 300：Antioxidant 445=2～
4：1～3：1～3：1～3.
9., in such scheme, the lubricant is one kind of Tissuemat E or calcium stearate or silicon series lubricant agent.
10., in such scheme, the reinforcing agent is white carbon.
In 11. such schemes, the code name of the polyurethane rubber is UR, the English abbreviation of '-diphenylmethane diisocyanate
MDI.
To achieve the above object of the invention, another technical solution used in the present invention is：A kind of resistance to 150 DEG C are exempted from irradiation oil resistant
The preparation method of low smoke halogen-free fire retardant polyolefin cable material, is comprised the following steps successively：
（1）Prepared by masterbatch：By the ethylene-vinyl acetate copolymer, copolymerization fluorosioloxane rubber, hydroxide halogen-free flame retardants, sulfur
Agent, age resistor, antioxidant, reinforcing agent, lubricant add high-speed mixer be sufficiently mixed 5 ~ 10 minutes, add temperature be 50～
80 DEG C of extruder pelletizes, obtain master batch；
（2）Prepared by finished product material：By the masterbatch, polyurethane rubber, high density polyethylene (HDPE), compatilizer, other Halogen resistances remaining
Combustion agent adds the temperature to be in 80～90 DEG C of banbury, banburying enter after 10～13 minutes temperature for 110～130 DEG C of twin screw/
Plasticizing extrusion cold wind flour milling pelletizing in the double rank mixing units of single screw rod, then sorts through air cooling and vibrosieve, you can be obtained resistance to
150 DEG C are exempted from irradiation oil-resistant low-smoke halogen-free flame-retardant cable material of polyolefin.
The present invention design feature and beneficial effect be：
（1）Resistance to 150 DEG C of the present invention exempt from irradiation oil-resistant low-smoke halogen-free flame-retardant cable material of polyolefin, employ Dual system peroxide
Crosslinking, it is to avoid after cross-linking radiation has the shortcomings that radiation hazradial bundle, equipment investment are big, and the resin in the present invention is crosslinked, shape
Just 150 DEG C of high temperature are resistant to into stable cross-linked network.Peroxide crosslinking technique is simple relative to cross-linking radiation, and cable is given birth to
Produce producer and only need to commonly extrude just extrudable molding.
（2）Resistance to 150 DEG C of the present invention exempt from irradiation oil-resistant low-smoke halogen-free flame-retardant cable material of polyolefin, have initiated EVM/UR/
HDPE/ copolymerization fluorosioloxane rubber is combined, and the resin for being adopted is oil resistivity resin, and crosslinked rear oil resistivity is carried significantly
Height, therefore, resistance to oleoresin has reached the characteristics such as high temperature resistant, oil resistant jointly with crosslinked action.
In a word, exempt from irradiation oil-resistant low-smoke halogen-free flame-retardant cable material of polyolefin without the need for irradiation for resistance to 150 DEG C provided by the present invention
Crosslinking, you can obtain the performances such as more excellent oil resistance, heat-resisting quantity, high fire-retardance, also have environmental protection, excellent processability concurrently
Can, meet the requirement of TB/T 1484.1-2010 standards, and can be by bunchy burning D/C class testings.
Specific embodiment
With reference to embodiment, the invention will be further described：
Embodiment 1 ~ 5：A kind of resistance to 150 DEG C are exempted from irradiation oil-resistant low-smoke halogen-free flame-retardant cable material of polyolefin and preparation method thereof
Resistance to 150 DEG C are exempted from irradiation oil-resistant low-smoke halogen-free flame-retardant cable material of polyolefin, its composition of raw materials（Unit：Weight portion）Such as table 1：
The formula of irradiation oil-resistant low-smoke halogen-free flame-retardant cable material of polyolefin exempted from by 1 150 DEG C of table
| Raw material | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Ethylene-vinyl acetate copolymer | 30 | 25 | 38 | 31 | 25 |
| Polychlorostyrene fat rubber | 20 | 17 | 10 | 15 | 15 |
| High density polyethylene (HDPE) | 30 | 33 | 32 | 28 | 35 |
| Copolymerization fluorosioloxane rubber | 8 | 10 | 8 | 15 | 10 |
| Compatilizer | 12 | 15 | 12 | 11 | 15 |
| Halogen-free flame retardants | 100 | 80 | 120 | 100 | 90 |
| Vulcanizing agent | 1.5 | 1.2 | 1.5 | 1.5 | 1.5 |
| Age resistor | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |
| Antioxidant | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 |
| Lubricant | 3 | 3 | 3 | 3 | 3 |
| Reinforcing agent | 15 | 20 | 15 | 15 | 15 |
In embodiment 1, from the EVM that Va contents are 50%, polyurethane rubber selects mixed milling type to ethylene-vinyl acetate copolymer
Polyurethane rubber, HDPE of the high density polyethylene (HDPE) from fuel oil resistance, SKTFT- of the copolymerization fluorosioloxane rubber from Russia's production
25, mixture of the halogen-free flame retardants from 20 parts of 80 parts of aluminium hydroxide and hypo-aluminum orthophosphate, compatilizer are gathered from the intoxicated grafting of maleic acid
Ethylene, vulcanizing agent select 0.9 part of DCP, double 25 0.6 parts of mixture, age resistor to select 1 part of MB, the mixing of 0.5 part of DNP
Thing, antioxidant select 1 part of antioxidant 1010,1 part of anti-oxidant DLTP, 1 part of antioxidant 300, mixture of 1.5 parts of antioxidant 445,
Lubricant selects silicone series lubricant agent, reinforcing agent to select white carbon.
In example 2, from the EVM that Va contents are 40%, polyurethane rubber is from mixed for ethylene-vinyl acetate copolymer
Refining type polyurethane rubber, HDPE of the high density polyethylene (HDPE) from high-crystallinity, copolymerization fluorosioloxane rubber is from Russia's production
SKTFT-25, halogen-free flame retardants select 50 parts of aluminium hydroxide, 20 parts of melamine cyanurate, 10 parts of hypo-aluminum orthophosphate, compatilizer
From the intoxicated grafted polyethylene of maleic acid, vulcanizing agent selects 0.8 part of DCP, double 25 0.4 parts of mixture, age resistor to select MB 1
Part, the mixture of 0.5 part of DNP, antioxidant from 1 part of antioxidant 1010,1 part of anti-oxidant DLTP, 1 part of antioxidant 300,1.5 parts
The mixture of antioxidant 445, lubricant select silicone series lubricant agent, reinforcing agent to select white carbon.
In embodiment 3, from the EVM that Va contents are 40%, polyurethane rubber is from mixed for ethylene-vinyl acetate copolymer
Refining type polyurethane rubber, HDPE of the high density polyethylene (HDPE) from high-crystallinity, copolymerization fluorosioloxane rubber is from Russia's production
SKTFT-25, halogen-free flame retardants select 80 parts of aluminium hydroxide, 20 parts of melamine cyanurate, 20 parts of hypo-aluminum orthophosphate, compatible
Agent selects the intoxicated grafted polyethylene of maleic acid, vulcanizing agent to select 1 part of DCP, double 25 0.5 parts of mixture, age resistor to select MB 1
Part, the mixture of 0.5 part of DNP, antioxidant from 1 part of antioxidant 1010,1 part of anti-oxidant DLTP, 1 part of antioxidant 300,1.5 parts
The mixture of antioxidant 445, lubricant select silicone series lubricant agent, reinforcing agent to select white carbon.
In example 4, from the EVM that Va contents are 50%, polyurethane rubber is from mixed for ethylene-vinyl acetate copolymer
Refining type polyurethane rubber, HDPE of the high density polyethylene (HDPE) from fuel oil resistance, copolymerization fluorosioloxane rubber is from Russia's production
SKTFT-25, halogen-free flame retardants select 70 parts of aluminium hydroxide, 20 parts of melamine cyanurate, 10 parts of hypo-aluminum orthophosphate, compatible
Agent selects the intoxicated grafted polyethylene of maleic acid, vulcanizing agent to select DCP, and age resistor is resisted from 1 part of MB, the mixture of 0.5 part of DNP
Oxygen agent is from 1 part of antioxidant 1010,1 part of anti-oxidant DLTP, 1 part of antioxidant 300, mixture of 1.5 parts of antioxidant 445, lubrication
Agent selects silicone series lubricant agent, reinforcing agent to select white carbon.
In embodiment 5, from the EVM that Va contents are 70%, polyurethane rubber is from mixed for ethylene-vinyl acetate copolymer
Refining type polyurethane rubber, HDPE of the high density polyethylene (HDPE) from high-crystallinity, copolymerization fluorosioloxane rubber is from Russia's production
SKTFT-25, halogen-free flame retardants select 60 parts of aluminium hydroxide, 15 parts of melamine cyanurate, 15 parts of hypo-aluminum orthophosphate, compatible
Agent selects the intoxicated grafted polyethylene of maleic acid, vulcanizing agent to select 1 part of DCP, double 25 0.5 parts of mixture, age resistor to select MB 1
Part, the mixture of 0.5 part of DNP, antioxidant from 1 part of antioxidant 1076,1 part of anti-oxidant DLTP, 1 part of antioxidant 300,1.5 parts
The mixture of antioxidant 445, lubricant select silicone series lubricant agent, reinforcing agent to select white carbon.
The production method of all embodiments is as follows：
Prepared by A, masterbatch：By ethylene-vinyl acetate copolymer, copolymerization fluorosioloxane rubber, hydroxide halogen-free flame retardants, vulcanizing agent,
Age resistor, antioxidant, reinforcing agent, lubricant etc. add high-speed mixer to be sufficiently mixed 5 minutes, add temperature to squeeze for 50～80 DEG C
Go out machine pelletize, obtain master batch.
Prepared by B, finished product material：By masterbatch, polyurethane rubber, high density polyethylene (HDPE), compatilizer, other halogen-free flameproofs remaining
Agent etc. adds the temperature to be in 80～90 DEG C of banbury, banburying enter after 10～13 minutes temperature for 110～130 DEG C of twin screw/
Plasticizing extrusion cold wind flour milling pelletizing in the double rank mixing units of single screw rod, then sorts through air cooling and vibrosieve, you can be obtained resistance to
150 DEG C are exempted from irradiation oil-resistant low-smoke halogen-free flame-retardant cable material of polyolefin.
Obtained in each embodiment, the resistance to 150 DEG C performances for exempting from irradiation oil-resistant low-smoke halogen-free flame-retardant cable material of polyolefin are shown in Table 2：
The performance of irradiation oil-resistant low-smoke halogen-free flame-retardant cable material of polyolefin exempted from by 2 150 DEG C of table
Above-described embodiment technology design only to illustrate the invention and feature, its object is to allow person skilled in the art's energy
Solution present disclosure much of that is simultaneously implemented according to this, can not be limited the scope of the invention with this.All spiritual according to the present invention
Equivalence changes or modification that essence is made, should all be included within the scope of the present invention.
Claims (9)
1. irradiation oil-resistant low-smoke halogen-free flame-retardant cable material of polyolefin is exempted from a kind of resistance to 150 DEG C, it is characterised in that：Composition of raw materials is by following
The material composition of weight portion：
20～50 parts of ethylene-vinyl acetate copolymer,
10～30 parts of polyurethane rubber,
High density polyethylene (HDPE) 30-45 parts,
5～20 parts of copolymerization fluorosioloxane rubber,
50～150 parts of halogen-free flame retardants,
5～20 parts of compatilizer,
1～2 part of vulcanizing agent,
1.5～3 parts of age resistor,
2～5 parts of antioxidant,
3～6 parts of lubricant,
15～30 parts of reinforcing agent；
Wherein, the ethylene-vinyl acetate copolymer is ethene-vinyl acetate of the weight content of vinylacetate more than 33%
Copolymer；
It is main body Material synthesis with unsaturation that the polyurethane rubber is polyether polyol and '-diphenylmethane diisocyanate
The rubber of structure；
The copolymerization fluorosioloxane rubber is the copolymerization fluorosioloxane rubber with γ trifluoro propyl methylsiloxanes as construction unit；
The vulcanizing agent is the one kind or two in cumyl peroxide and 2,5- dimethyl -2,5- di-t-butyl peroxy hexanes
The blend that plants.
2. resistance to 150 DEG C of one kind according to claim 1 exempts from irradiation oil-resistant low-smoke halogen-free flame-retardant cable material of polyolefin, its feature
It is：The HDPE of the preferred high-crystallinity of the high density polyethylene (HDPE) and fuel oil resistance, the HDPE of the high-crystallinity and fuel oil resistance
After leaching fuel oil, the retention rate of tensile strength and elongation at break is between 70% ~ 130%.
3. resistance to 150 DEG C of one kind according to claim 1 exempts from irradiation oil-resistant low-smoke halogen-free flame-retardant cable material of polyolefin, its feature
It is：The halogen-free flame retardants is any in aluminium hydroxide, magnesium hydroxide, melamine cyanurate and hypo-aluminum orthophosphate
A kind of or arbitrarily two or more mixture, wherein, the aluminium hydroxide is micro- no more than 3.5 with the mean diameter of magnesium hydroxide
Rice.
4. resistance to 150 DEG C of one kind according to claim 1 exempts from irradiation oil-resistant low-smoke halogen-free flame-retardant cable material of polyolefin, its feature
It is：The compatilizer is the intoxicated grafted polyethylene resin of maleic acid.
5. resistance to 150 DEG C of one kind according to claim 1 exempts from irradiation oil-resistant low-smoke halogen-free flame-retardant cable material of polyolefin, its feature
It is：The age resistor is the mixture of antioxidant MB and antioxidant D NP, and the mass ratio of the two is antioxidant MB：Antioxidant D NP
=2～4：1.
6. resistance to 150 DEG C of one kind according to claim 1 exempts from irradiation oil-resistant low-smoke halogen-free flame-retardant cable material of polyolefin, its feature
It is：Mixture of the antioxidant for antioxidant 1010, anti-oxidant DLTP, antioxidant 300 and antioxidant 445 4, four
The mass ratio of person is antioxidant 1010：Anti-oxidant DLTP：Antioxidant 300：Antioxidant 445=2～4：1～3：1～3：1～3.
7. resistance to 150 DEG C of one kind according to claim 1 exempts from irradiation oil-resistant low-smoke halogen-free flame-retardant cable material of polyolefin, its feature
It is：The lubricant is one kind of Tissuemat E or calcium stearate or silicon series lubricant agent.
8. resistance to 150 DEG C of one kind according to claim 1 exempts from irradiation oil-resistant low-smoke halogen-free flame-retardant cable material of polyolefin, its feature
It is：The reinforcing agent is white carbon.
9. a kind of resistance to 150 DEG C according to one of claim 1 ~ 8 exempt from irradiation oil-resistant low-smoke halogen-free flame-retardant cable material of polyolefin
Preparation method, it is characterised in that comprise the following steps successively：
（1）Prepared by masterbatch：By the ethylene-vinyl acetate copolymer, copolymerization fluorosioloxane rubber, a part of halogen-free flame retardants, sulfuration
Agent, age resistor, antioxidant, reinforcing agent, lubricant add high-speed mixer to be sufficiently mixed 5 ~ 10 minutes, and it is 50～80 to add temperature
DEG C extruder pelletize, obtains master batch；
（2）Prepared by finished product material：By the masterbatch, polyurethane rubber, high density polyethylene (HDPE), compatilizer, remaining halogen-free flame retardants
It is that banburying enters temperature for 110～130 DEG C of twin screw/mono- spiral shells in 80～90 DEG C of banbury after 10～13 minutes to add temperature
Plasticizing extrusion cold wind flour milling pelletizing in the double rank mixing units of bar, then sorts through air cooling and vibrosieve, you can be obtained resistance to 150 DEG C
Exempt from irradiation oil-resistant low-smoke halogen-free flame-retardant cable material of polyolefin.
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