CN106349685A - High-oil-resistance charging-pile halogen-free flame-retardant TPU (thermal receiver unit) cable material and preparation method thereof - Google Patents
High-oil-resistance charging-pile halogen-free flame-retardant TPU (thermal receiver unit) cable material and preparation method thereof Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- H—ELECTRICITY
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- 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
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- H01B7/00—Insulated conductors or cables characterised by their form
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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
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Abstract
The invention relates to a high-oil-resistance charging-pile halogen-free flame-retardant (thermal receiver unit) cable material and preparation method thereof and belongs to the technical field high polymer materials. The high-oil-resistance charging-pile halogen-free flame-retardant cable material comprises raw materials including, by weight, 30-60 parts of thermoplastic polyurethane elastomers, 5-20 parts of powdered acrylonitrile-butadiene rubber, 0-15 parts of EVA (ethyleno vinyl acetale copolymetr), 15-30 parts of flame retardant, 1-8 parts of a flame retardant agent, 0.1-1 part of a vulcanizing agent, 0.1-1.5 parts of a processing agent, 0-15 parts of mineral fillers, 0.1-0.5 part of antioxygen and 0.1-5 of parts an ultraviolet screening agent. The invention further discloses the preparation method of the TPU cable material. The rational compatibility of components of the thermoplastic polyurethane elastomers, powdered acrylonitrile-butadiene rubber, the fire retardant and the like is achieved for the TPU cable material, oil resistance, processing performance and flame retardant property are effectively improved, and the material is good in hydrolysis resistance and ageing resistance and conforms to operation requirements of charging-pile cables.
Description
Technical field
The present invention relates to a kind of high oil resistant halogen-free flameproof tpu cable material that can be used for charging pile cable, belong to macromolecule
Material Field.
Background technology
With a large amount of popularizations of today's society automobile, consume non-renewable petroleum resources in a large number, result in energy danger
Machine and the intensification further of environmental pollution, countries in the world government and automobile vendor are numerous and confused to put into substantial amounts of energy development new forms of energy electricity
Electrical automobile, the large-scale popularization with Future New Energy Source electric automobile and use, as electric automobile requisite composition portion
Divide charging pile cable also will welcome the spring of development.But for charging pile cable is compared to traditional cable material, use
Environment is more severe, and this is just put forward higher requirement by material to outside charging pile cable.
At present, the outer of charging pile cable is mainly had two kinds by material, and one kind is the elasticity with polrvinyl chloride (pvc) as base material
Body material, a kind of electric automobile charging pile pvc elasticity as disclosed in Chinese patent application (publication number: cn 104194220a)
Body material, although this elastomeric material has preferable performance, can substantially meet the use requirement of charging pile cable and price relatively
For cheap, but during the burning of pvc elastomer, raw smoke is big, does not meet the trend of environmental protection, the enforcement with related environmental regulation and
Perfect, the use of pvc based elastomeric material is significantly limited.Another kind is the elastomeric material with thermoplastic elastomer (TPE) as base material,
This elastomeric material is easily worked, hardness range width, excellent performance, and feel is fine and smooth, and meets the trend of environmental protection, is more suitable for
Charging pile cable outer by material, thus become the emphasis of people's research.As Chinese patent application (publication number: cn
105131503a) disclose a kind of New-energy electric vehicle charging pile cable environmental protection tpe material and preparation method thereof, this elasticity
Body material introduces inorganic combustion inhibitor, fire retarding synergist and organic silicon powder and matrix compounds although this technical scheme improves
The mechanical property of material and fire resistance, but this tpe material is using styrene analog thermoplastic elastomer (sebs) as base material, resistance to
Oiliness and resistance to elevated temperatures are poor, and this system amount of filler, greatly so that this tpe elastic properties of materials is poor, easily bends deformation, do not reach
The use requirement of charging pile cable.And for example Chinese patent application (publication number: cn 105038088a) discloses a kind of Oil-resistant cold-resistant
High-temperature resistant electric automobile charging pile elastomer cable material and preparation method thereof, this elastomeric material passes through to introduce polyurethane thermal-plastic
Property elastic (tpu) and hydrogenated nitrile-butadiene rubber, solve the shortcoming being used alone sebs base material not oil resistant, but the mechanical property of this material
Can be poor, need to it is possible to additionally incorporate mechanical property and the heat resistance that polypyromelliticimide to improve material as reinforcing agent, and hydrogenate
Nitrile rubber and polypyromelliticimide are expensive, and therefore this tpe material is restricted in actual applications significantly.
Content of the invention
Bad, the poor problem of mechanical property for existing charging pile tpe cable material oil resistance, the invention provides
A kind of charging pile halogen-free flame-proof environmental protection tpu cable material of oil-resistant high-temperature, mechanical property and excellent fireproof performance.
The above-mentioned purpose of the present invention can be realized by following technical proposal: a kind of charging pile halogen-free flameproof of high oil resistant
Tpu cable material, described tpu cable material is made up of the raw material of following proportioning by weight:
Polyurethane termoplastic elastomer is a kind of polar polymer, has good oil resistance；Nitrile rubber is because of butyronitrile
A large amount of butadiene and acrylonitrile group are contained on rubber structure, acrylonitrile group has stronger polarity, can make it to non-pole
Property oils has good oil resistivity, and therefore nitrile rubber is kind of an oil resistant rubber.It is simultaneously introduced poly- ammonia in tpu cable material of the present invention
Ester thermoplastic elastomer (TPE) and nitrile rubber, under suitable proportioning, both play complementary oil resistant synergism, further
The fuel tolerance capability of raising system.Meanwhile, the introducing of butyronitrile resin, has widened the processing temperature of tpu, so that system is had more excellent
Processing characteristics, and butyronitrile resin molecular weight is higher, can improve melt viscosity during tpu burning, solves what tpu burning was easily dripped
Problem, reduces fire-retardant difficulty, the addition of fire retardant is greatly reduced.
Tpu cable material of the present invention also can add eva resin, reduces on the basis of not affecting tpu cable material use requirement
Cost.Eva resin has good pliability and the filler compatibility, can improve dispersion effect in system for the filler, and it is right to reduce
The impact of mechanical performance.Eva is introduced in system, in suitable amount ranges, can also increase the mobility of system, beneficial to plus
Work.
The present invention passes through lot of experiments, chooses suitable polyurethane termoplastic elastomer, PNBR, eva, fire-retardant
Agent and other kinds auxiliary agent, produce complementary synergism by between the rational raw material of compatibility, substantially improve material
Performance, makes the tpu cable material of the present invention not only have good oil resistivity, also has preferable mechanical property, especially have
Preferably mobility etc., additionally, also have good safety and environmental-protecting performance.
In the charging pile halogen-free flameproof tpu cable material of above-mentioned high oil resistant, preferably, described polyurethane thermoplastic bullet
Gonosome (tpu) is polyether polyurethane thermoplastic elastomer capable of resisting.Tpu is broadly divided into polyether-type tpu and polyester-type tpu, polyethers tpu because
Ehter bond cohesive energy in its structure is relatively low, the rotation barrier potential of key less it is easy to rotation, therefore show good mobility, by it
The polyurethane material low-temperature flexibility of preparation can be good, and anti-hydrolytic performance is excellent.Preferably tpu between 75-95a for the shore hardness.
In the charging pile halogen-free flameproof tpu cable material of above-mentioned high oil resistant, preferably, described PNBR
Acrylonitrile content is >=30%.Butadiene containing different content and acrylonitrile group in the structure of nitrile rubber, with propylene
Nitrile content increases that nitrile rubber cohesion energy density improves rapidly, polarity increases, thus improving oil resistivity, therefore acrylonitrile content is relatively
Height, the wearability of nitrile rubber, oil resistivity is relatively better.
In the charging pile halogen-free flameproof tpu cable material of above-mentioned high oil resistant, preferably, described eva is vinyl acetate
The ethylene-vinyl acetate copolymer of ester monomer (va) content >=15%, the preferably ethylene-vinyl acetate of va content >=25%
Copolymer.
In the charging pile halogen-free flameproof tpu cable material of above-mentioned high oil resistant, preferably, described fire retardant hinders for phosphorus system
Combustion agent or phosphor nitrogen composite combustion inhibitor.Further preferably, described fire retardant is phosphor nitrogen composite combustion inhibitor, and phosphor nitrogen composite combustion inhibitor is
Hypo-aluminum orthophosphate, alkyl hypo-aluminum orthophosphate, resorcinol-bis- (diphenyl phosphate) (rdp), bis-phenol a- double (diphenyl phosphate) (bdp),
Resorcinol-bis- [two (2,6- 3,5-dimethylphenyl) phosphate ester] (rdx), ammonium polyphosphate, piperazine pyrophosphate, the poly- phosphorus of tripolycyanamide
One or more of hydrochlorate, melamine cyanurate.Still further preferably, described phosphor nitrogen composite combustion inhibitor is hypophosphorous acid
One or more of aluminum, ammonium polyphosphate, melamine polyphosphate, melamine cyanurate.Described phosphorus nitrogen is combined resistance
The particle diameter of combustion agent is between 1-30 μm.Due to the synergism of phosphor nitrogen composite combustion inhibitor p-n, system not only has good fire-retardant
Effect, and nontoxic, do not produce thick smoke and poison during burning, non-environmental-pollution, meet the trend of environmental protection.
In the charging pile halogen-free flameproof tpu cable material of above-mentioned high oil resistant, preferably, described flame retardant is boric acid
One of zinc, zinc oxide, organic modification montmonrillonite, galapectite, meerschaum, Kaolin, silsesquioxane, silicones or many
Kind.Further preferably, described flame retardant is the compound of 3.5 hydrate zinc borates, organic modification montmonrillonite.Flame retardant and resistance
Between combustion agent, there is synergistic function, the flame-retardant smoke inhibition of material can be significantly improved in the less scope of fire retardant addition
Effect.
In the charging pile halogen-free flameproof tpu cable material of above-mentioned high oil resistant, preferably, described vulcanizing agent is peroxidating
Diisopropylbenzene (DIPB) (dcp), 2,5- dimethyl -2,5- two (t-butylperoxy) hexane (double two or five) (dhbp), two-(tert-butyl group mistake
One or more of oxygen isopropyl) benzene (bibp).
In the charging pile halogen-free flameproof tpu cable material of above-mentioned high oil resistant, preferably, described processing aid is pe
One or more of wax, ethylene bis stearamide (ebs), zinc stearate, silicone.
In the charging pile halogen-free flameproof tpu cable material of above-mentioned high oil resistant, preferably, described mineral filler is carbonic acid
One or more of calcium, Pulvis Talci, Muscovitum, white carbon, the particle diameter of described mineral filler is between 1-100 μm.Excellent further
Choosing, described mineral filler is Calcium Carbonate, Pulvis Talci.Calcium Carbonate and Pulvis Talci have abundance, cheap, easy to use
The features such as be easily handled with surface, as the mineral-filled reinforcing material of tpu, can significantly improve intensity and the modulus of tpu material.
In the charging pile halogen-free flameproof tpu cable material of above-mentioned high oil resistant, preferably, described antioxidant is hindered phenol
One or more of class, phosphorous acid esters.Further preferably, described antioxidant be antioxidant 1010, antioxidant 1076, anti-
Oxygen agent 1135, antioxidant 1098, irgasfos 168, antioxidant 618.Particularly preferably, described antioxidant is irgasfos 168 and resists
Compounding, the mass ratio (1-2) of irgasfos 168 and antioxidant 1010: 1 of oxygen agent 1010.
In the charging pile halogen-free flameproof tpu cable material of above-mentioned high oil resistant, preferably, described anti ultraviolet agent is hexichol
One or more of ketone class, triazole type, hindered amines, such as uv329, uv531, uv770 etc..
Further object is that providing a kind of system of the charging pile halogen-free flameproof tpu cable material of above-mentioned high oil resistant
Preparation Method, this preparation method comprises the following steps:
A weighs each raw material by the composition of the charging pile halogen-free flameproof tpu cable material of above-mentioned oil resistant and its parts by weight, will be each
Raw material puts into mix homogeneously in batch mixer；
B the raw material of mix homogeneously is added in double screw extruder and melt extrudes, the pelletize after tank cooling of extrusion bar,
Wherein, twin screw rotating speed is 100-400rpm, and each section of temperature setting of twin screw is: 140-160 DEG C of an area, two 160-170 DEG C of areas,
Three 170-180 DEG C of areas, four 180-190 DEG C of areas, five 185-195 DEG C of areas, six 185-195 DEG C of areas, 180-190 DEG C of head temperature.
Compared with prior art, present invention has the advantage that
(1) the EU elastomer that the charging pile halogen-free flameproof tpu cable material of the present invention adopts has well
Oil resistance, is simultaneously introduced the excellent PNBR of oil resistance, further increases the fuel tolerance capability of system, solve
The problem of existing tpe oil resistant difference.
(2) the charging pile halogen-free flameproof tpu cable material of the present invention adopts phosphorus nitrogen composite flame retardant system, meets becoming of environmental protection
Gesture, and make the flame retarding efficiency of material high by the synergistic function of fire retardant and flame retardant, simultaneously as powdered nitrile rubber rubber
Xanthan molecule amount is higher, can improve melt viscosity during tpu burning, solve the problems, such as the fire-retardant easy drippage of tpu, reduce fire-retardant
Difficulty, decrease the addition of fire retardant.
(3) the charging pile halogen-free flameproof tpu cable material of the present invention introduces eva resin, uses not affecting tpu cable material
Reduces cost on the basis of requirement, meanwhile, introduces vulcanizing agent in extrusion process, and the addition that compensate for eva reduces tpu
The shortcoming of cable material heat resistance.
(4) synergism between the charging pile halogen-free flameproof tpu cable material of the present invention is by each component, greatly improves cable
The fuel tolerance capability of material, processing characteristics and fire resistance, and the hydrolysis of material, ageing-resistant performance are excellent, increased cable
Service life, complies fully with the use requirement of current charging pile cable.
Specific embodiment
The following is the specific embodiment of the present invention, technical scheme is further described, but the present invention is simultaneously
It is not limited to these embodiments.
Table 1: each composition of charging pile halogen-free flameproof tpu cable material resistance of high oil resistant and its weight in embodiments of the invention
Number
Wherein mineral filler be one or more of Calcium Carbonate, Pulvis Talci, Muscovitum, white carbon, processing aid be pe wax,
One or more of ethylene bis stearamide (ebs), zinc stearate, silicone.Can be added according to needs of production.
Wherein correspondence is as follows respectively for table 1 Chinese and English abbreviation:
Tpu: polyurethane termoplastic elastomer
Eva: ethylene-vinyl acetate copolymer
Dcp: cumyl peroxide
Dhbp:2,5- dimethyl -2,5- two (t-butylperoxy) hexane (double two or five)
Bibp: two-(tert-butylperoxyiso-propyl) benzene
Wherein polyurethane termoplastic elastomer can select German BASF tpu1180a, tpu1185a, and U.S.'s Hensel steps
Tpu a85p 4394, tpu a80p 5039, the magnificent tpu wht-8180 in Yantai ten thousand, tpu wht-8185 etc..
Embodiment 1
The composition of charging pile halogen-free flameproof tpu cable material of oil resistant described in the embodiment 1 by table 1 and its parts by weight claim
Take each raw material, each raw material is put into mix homogeneously in batch mixer, then batch mixing is put in double screw extruder and melt extrude, squeeze
Shaping pelletize after tank cooling, wherein, twin screw rotating speed is 100rpm, and each section of temperature setting of twin screw is: 140 DEG C of an area,
Two 160 DEG C of areas, three 170 DEG C of areas, four 190 DEG C of areas, five 195 DEG C of areas, six 195 DEG C of areas, 190 DEG C of head temperature.
Embodiment 2
The composition of charging pile halogen-free flameproof tpu cable material of oil resistant described in the embodiment 2 by table 1 and its parts by weight claim
Take each raw material, each raw material is put into mix homogeneously in batch mixer, then batch mixing is put in double screw extruder and melt extrude, squeeze
Shaping pelletize after tank cooling, wherein, twin screw rotating speed is 200rpm, and each section of temperature setting of twin screw is: 150 DEG C of an area,
Two 160 DEG C of areas, three 180 DEG C of areas, four 190 DEG C of areas, five 190 DEG C of areas, six 195 DEG C of areas, 190 DEG C of head temperature.
Embodiment 3
The composition of charging pile halogen-free flameproof tpu cable material of oil resistant described in the embodiment 3 by table 1 and its parts by weight claim
Take each raw material, each raw material is put into mix homogeneously in batch mixer, then crowded melt extruding in batch mixing input double screw extruder
Shaping pelletize after tank cooling, wherein, twin screw rotating speed is 400rpm, and each section of temperature setting of twin screw is: 160 DEG C of an area,
Two 170 DEG C of areas, three 170 DEG C of areas, four 190 DEG C of areas, five 185 DEG C of areas, six 190 DEG C of areas, 180 DEG C of head temperature.
Embodiment 4
The composition of charging pile halogen-free flameproof tpu cable material of oil resistant described in the embodiment 1 by table 1 and its parts by weight claim
Take each raw material, each raw material is put into mix homogeneously in batch mixer, then batch mixing is put in double screw extruder and melt extrude, squeeze
Shaping pelletize after tank cooling, wherein, twin screw rotating speed is 200rpm, and each section of temperature setting of twin screw is: 140 DEG C of an area,
Two 170 DEG C of areas, three 170 DEG C of areas, four 180 DEG C of areas, five 195 DEG C of areas, six 185 DEG C of areas, 180 DEG C of head temperature.
Embodiment 5
The composition of charging pile halogen-free flameproof tpu cable material of oil resistant described in the embodiment 5 by table 1 and its parts by weight claim
Take each raw material, each raw material is put into mix homogeneously in batch mixer, then batch mixing is put in double screw extruder and melt extrude, squeeze
Shaping pelletize after tank cooling, wherein, twin screw rotating speed is 300rpm, and each section of temperature setting of twin screw is: 150 DEG C of an area,
Two 165 DEG C of areas, three 175 DEG C of areas, four 185 DEG C of areas, five 195 DEG C of areas, six 185 DEG C of areas, 185 DEG C of head temperature.
In order to prove technical key point further, the present invention devises series of contrast and is verified.
Each composition of charging pile halogen-free flameproof tpu cable material resistance of high oil resistant and its weight in the comparative example of table 2 present invention
Number
Comparative example 1:
Each component parts by weight according to cable material described in comparative example 1 in table 2 weigh raw material, the same embodiment of other techniques
1, repeat no more.
Comparative example 2
Each component parts by weight according to cable material described in comparative example 2 in table 2 weigh raw material, the same embodiment of other techniques
2, repeat no more.
Comparative example 3
Each component parts by weight according to cable material described in comparative example 3 in table 2 weigh raw material, the same embodiment of other techniques
3, repeat no more.
The charging pile halogen-free flameproof tpu cable material of the high oil resistant in embodiment 1-5 and comparative example 1-4 is carried out performance survey
Examination, test result is as shown in Table 3 and Table 4.
The charging pile halogen-free flameproof tpu cable material the performance test results of the high oil resistant of table 3 embodiment of the present invention 1-5
The performance test results of the charging pile halogen-free flameproof tpu cable material of high oil resistant in table 4 comparative example 1-4
Can obtain from table 3 with table 4: the hydrolysis ability of comparative example 1 is remarkably decreased relative to embodiment 1, and comparative example 1 makes
Replace polyether-type tpu with polyester-type tpu, and the hydrolysis ability of polyether-type tpu is strong.The oil resistance of comparative example 2 compares enforcement
Example 2 declines by a big margin, and because comparative example lacks nitrile rubber, and it has good oil resistance.Comparative example 3 uses acrylonitrile
< 30% PNBR, the oil resistance of comparative example 3 is better than not adding the comparative example 2 of PNBR, relatively in fact content
Apply example 3 oil resistance to decline, the use of PNBR demonstrating acrylonitrile content >=30% is to product oil resistance
Improve tool to play a very important role.The va content < 15% of eva used by comparative example 4, polarity is relatively low, the compatibility poor with tpu,
Lead to the appearance being layered, reduce the mechanical property of material, thus mechanical property has declined with respect to embodiment 4.Can see
Go out, the charging pile halogen-free flameproof tpu cable material of the high oil resistant of the present invention has good oil-resistant high-temperature anti-hydrolytic performance, and power
Learn excellent performance, fire resistance is good.
Specific embodiment described in the present invention is only explanation for example to present invention spirit.The affiliated technology of the present invention is led
The technical staff in domain can be made various modifications or supplement or replaced using similar mode to described specific embodiment
Generation, but the spirit without departing from the present invention or surmount scope defined in appended claims.
Although the present invention has been made a detailed description and has been cited with some specific embodiments, skilled to this area
For technical staff, as long as it is obvious for can making various changes without departing from the spirit and scope of the present invention or revise.
Claims (10)
1. a kind of charging pile halogen-free flameproof tpu cable material of high oil resistant is it is characterised in that described tpu cable material is pressed by following
The raw material composition of parts by weight proportioning:
Polyurethane termoplastic elastomer: 30-60 part
PNBR: 5-20 part
Eva:0-15 part
Fire retardant: 15-30 part
Flame retardant: 1-8 part
Vulcanizing agent: 0.1-1 part
Processing aid: 0.1-1.5 part
Mineral filler: 0-15 part
Antioxidant: 0.1-0.5 part
Anti ultraviolet agent: 0.1-5 part.
2. the charging pile halogen-free flameproof tpu cable material of high oil resistant according to claim 1 is it is characterised in that described is poly-
Urethane thermoplastic elastomer (TPE) (tpu) is polyether polyurethane thermoplastic elastomer capable of resisting.
3. the charging pile halogen-free flameproof tpu cable material of high oil resistant according to claim 1 is it is characterised in that described powder
The acrylonitrile content of last nitrile rubber is >=30%.
4. the charging pile halogen-free flameproof tpu cable material of high oil resistant according to claim 1 is it is characterised in that described eva
Ethylene-vinyl acetate copolymer for va content >=15%.
5. the charging pile halogen-free flameproof tpu cable material of high oil resistant according to claim 1 is it is characterised in that described resistance
Combustion agent is phosphorus flame retardant or phosphorus nitrogen compound flame retardant.
6. the charging pile halogen-free flameproof tpu cable material of high oil resistant according to claim 5 is it is characterised in that described phosphorus
Nitrogen composite combustion inhibitor is hypo-aluminum orthophosphate, the double (phosphorus of alkyl hypo-aluminum orthophosphate, resorcinol-bis- (diphenyl phosphate) (rdp), bis-phenol a-
Diphenyl phthalate) (bdp), resorcinol-bis- [two (2,6- 3,5-dimethylphenyl) phosphate ester] (rdx), ammonium polyphosphate, pyrophosphoric acid piperazine
One or more of piperazine, melamine polyphosphate, melamine cyanurate.
7. the charging pile halogen-free flameproof tpu cable material of high oil resistant according to claim 1 is it is characterised in that described resistance
Combustion auxiliary agent is Firebrake ZB, zinc oxide, organic modification montmonrillonite, galapectite, meerschaum, Kaolin, silsesquioxane, in silicones
One or more.
8. the charging pile halogen-free flameproof tpu cable material of high oil resistant according to claim 1 is it is characterised in that described sulfur
Agent is cumyl peroxide (dcp), 2,5- dimethyl -2,5- two (t-butylperoxy) hexane (double two or five), two-(uncle
One or more of butylperoxyisopropyl) benzene (bibp).
9. the charging pile halogen-free flameproof tpu cable material of high oil resistant according to claim 1 is it is characterised in that described ore deposit
Thing filler is one or more of Calcium Carbonate, Pulvis Talci, Muscovitum, white carbon, and the particle diameter of mineral filler is 1-100 μm.
10. a kind of halogen-free flameproof tpu cable material of high oil resistant preparation method it is characterised in that described preparation method include with
Lower step:
(1) composition of charging pile tpu cable material of high oil resistant according to claim 1 and its parts by weight weigh raw material,
Raw material is put into mix homogeneously in batch mixer；
(2) raw material of mix homogeneously is added in double screw extruder and melt extrudes, the pelletize after tank cooling of extrusion bar, its
In, twin screw rotating speed is 100-400rpm, and each section of temperature setting of twin screw is: 140-160 DEG C of an area, two 160-170 DEG C of areas, three
170-180 DEG C of area, four 180-190 DEG C of areas, five 185-195 DEG C of areas, six 185-195 DEG C of areas, 180-190 DEG C of head temperature.
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|---|---|---|---|
| CN201610734407.6A CN106349685A (en) | 2016-08-26 | 2016-08-26 | High-oil-resistance charging-pile halogen-free flame-retardant TPU (thermal receiver unit) cable material and preparation method thereof |
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| CN107200945A (en) * | 2017-07-27 | 2017-09-26 | 芜湖融汇化工有限公司 | A kind of tasteless type cable cover(ing) sizing material and preparation method thereof |
| CN107793741A (en) * | 2017-09-28 | 2018-03-13 | 东莞市雄林新材料科技股份有限公司 | A kind of TPU materials of shared bicycle pneumatic tire and preparation method thereof |
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