CN109181122A - Interior high voltage cable cross-linked elastomer CABLE MATERIALS, cable and preparation method thereof - Google Patents
Interior high voltage cable cross-linked elastomer CABLE MATERIALS, cable and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of interior high voltage cable cross-linked elastomer CABLE MATERIALSs, including following component by weight: 10~30 parts of SEBS, 10~30 parts of EPDM, 10~30 parts of HDPE, 10~30 parts of EVM, 5~20 parts of POE, 10~15 parts of POP, 4~10 parts of PE-g-MAH, 100~150 parts of hydroxide flame retardant, 20~30 parts of phosphorus-nitrogen containing flame retardant, 0.8~2 part of lubricant, 1.5~2 parts of coupling agent, 2~3.5 parts of antioxidant, 1.5~3 parts of assistant crosslinking agent, 0.5~1.4 part of processing aid；White oil is not contained in the CABLE MATERIALS.The invention also discloses the preparation methods of the cable prepared by the CABLE MATERIALS and cable.Cross-linked elastomer CABLE MATERIALS of the invention, anti-cracking performance is good, suitable for preparing the wire and cable of electric car.
Description
Technical field
The present invention relates to non-halogen flame-retardant cable field more particularly to a kind of interior high voltage cable cross-linked elastomer cables
Material, cable and preparation method thereof.
Background technique
2016, global electric car sales volume was about 770,000, the Electric Cars in China sales volume whole world first, was 350,000,
Account for the 1.45% of national passenger car sales volume.What is be number two is the U.S., and sales volume is 15.9 ten thousand.What is be number three is Norway, pin
Amount is 4.6 ten thousand, accounts for the 29.5% of the annual all automobile sales volumes of Norway.French sales volume is 3.4 ten thousand, and German sales volume is 2.7 ten thousand
, Japanese sales volume is 2.2 ten thousand.
2017, global electric car sales volume was about 1,000,000, the Electric Cars in China sales volume whole world first, was 57.2 ten thousand
, account for the 2.3% of Chinese annual all automobile sales volumes.What is be number two is the U.S., and sales volume is 20 ten thousand, accounts for whole year institute of the U.S.
There is the 1.2% of automobile sales volume, what is be number three is Norway, and sales volume is 5.8 ten thousand, accounts for the annual all automobile sales volumes of Norway
36.7%.Japan, Germany, Britain's whole year electric car sales volume account for the 1.5% of annual all automobile sales volumes at 50,000 or so.
Fast development and the electric car quality accident that exposes and consumer couple repeatedly with global electric car
High continuation of the journey, the favor of high torque (high current) of electric car, all requirements to the quality of wire and cable and performance are higher and higher,
The short-circuit fire caused by the aging of wire and cable, cracking, solvent impregnated rear decreasing insulating is also more and more, how to drop
The incidence of low fire and death rate when fire occurs, low cigarette, Halogen, it is fire-retardant, environmentally friendly, securely and reliably become electric car electricity
The developing direction of line cable.The demand of fireproofing cable material without halide suitable for electric car is increasing, current low cigarette
In non-halogen flame-retardant cable, poor compatibility between matrix resin, and due to joined white oil, it can be dropped in irradiation processing post-crosslinking
The flexibility of the hydrogenated styrene analog thermoplastic elastomer (SEBS) of one of low matrix resin affects electricity so that SEBS is hardened
The physical mechanical property and process industrial art performance of cable material.Therefore, existing cable against weather and resistance to low temperature at normal temperature
Difference, material hardness are got higher, and cable has very big cracking risk, to easily cause the accidents such as short-circuit fire.How to overcome above-mentioned
Technical problem becomes the direction that those skilled in the art make great efforts.
Summary of the invention
The purpose of the present invention is intended to the defect for overcoming existing cable for electric vehicle easy to crack, provides a kind of interior high
Crimping cable cross-linked elastomer CABLE MATERIALS.
In order to solve the above-mentioned technical problems, the present invention provides a kind of interior high voltage cable cross-linked elastomer CABLE MATERIALS,
Including following component by weight: 10~3 0 parts of hydrogenated styrene analog thermoplastic elastomer (SEBS), ethylene propylene diene rubber
(EPDM) 10~30 parts, 10~30 parts of high density polyethylene (HDPE) (HDPE), 10~30 parts of ethylene-vinyl acetate copolymer (EVM), second
5~20 parts of alkene-octene copolymer (POE), 10~15 parts of metallocene catalysis propylene ethylene copolymers elastomer (POP), maleic acid
4~10 parts of acid anhydride grafted polyethylene copolymer (PE-g-MAH), 100~150 parts of hydroxide flame retardant, phosphorus-nitrogen containing flame retardant 20~
30 parts, 0.8~2 part of lubricant, 1.5~2 parts of coupling agent, 2~3.5 parts of antioxidant, 1.5~3 parts of assistant crosslinking agent, processing aid
0.5~1.4 part；White oil is not contained in the CABLE MATERIALS.
Preferably, the total weight number of described SEBS, EPDM, HDPE, EVM, POE, POP and PE-g-MAH are 100
Part.
Preferably, the lubricant is made of 0.6~1.5 part of calcium stearate and 0.2~0.5 part of polyethylene wax
's.
Preferably, the parts by weight of the calcium stearate are the 0.2%~0.6% of CABLE MATERIALS total weight parts, the poly- second
The parts by weight of alkene wax are 1~2:3 of calcium stearate parts by weight.
Preferably, further including 2~6 parts of nano barium sulfates and 1~3 part of zinc borate in the CABLE MATERIALS.
Preferably, the weight part ratio of the nano barium sulfate and zinc borate is 3:1~2.
Preferably, the coupling agent is silane coupling agent, the parts by weight of coupling agent are hydroxide flame retardant, phosphorus nitrogen system
The 0.9~1.2% of fire retardant, nano barium sulfate and zinc borate total weight parts.
Preferably, the antioxidant includes 1~2 part of antioxidant 1010 and 1~1.5 part of anti-oxidant DLTP；It is described to help friendship
Join agent and is selected from least one of TAIC, TMAIC, TMPTMA；The EVM is that bright Sheng EVM 500HV, VA content is 50%, door
Buddhist nun's viscosity (ML 1+4,100 DEG C) is 27；The processing aid is the fluorine-containing processing aid of great Jin PPA DA-912, and parts by weight are
The 5~8% of SEBS and POE total weight parts；The POP is Exxon Mobil VistamaxxTM special elastomer 6102, and ethylene contains
Amount is 16%, and melt index is 230 DEG C of 3g/10min@.
Another aspect of the present invention additionally provides the cable being prepared by above-mentioned CABLE MATERIALS, which is suitable for electronic vapour
The wire and cable of vehicle has good anti-cracking performance.
Another aspect of the invention provides a kind of preparation method of above-mentioned cable, the preparation method the following steps are included:
1) SEBS, EPDM, HDPE, EVM, POE, POP and the PE-g-MAH for taking formula ratio, are added in mixing machine and mix,
Then mixture is plasticized to granulation in dual-screw pelletizer；The processing temperature of the dual-screw pelletizer are as follows: conveying section 140~
150 DEG C, 160~175 DEG C of melt zone, 170~180 DEG C of mixing section, 165~175 DEG C of exhaust section, 170~180 DEG C of homogenizing zone, machine
First 170~180 DEG C；
2) step 1) resulting materials are added in the remaining ingredient of formula ratio, are mixed, then in two steps type extruder
It mediates plasticizing to be granulated, the two steps type extruder includes double screw extruder and single screw extrusion machine；The double screw extruder
Processing temperature are as follows: 140~150 DEG C of conveying section, 160~175 DEG C of melt zone, 170~180 DEG C of mixing section, exhaust section 165~
175 DEG C, 170~180 DEG C of homogenizing zone, 170~180 DEG C of head；The processing temperature of the single screw extrusion machine are as follows: the first area 140
~165 DEG C, the second 170~180 DEG C of area, 1 70~180 DEG C of third area, 160~175 DEG C of head；
3) step 2) resulting materials are placed in wire and cable to squeeze out on machine production line, are squeezed out in single screw extrusion machine, wrapped
It is overlying on conductor thread core, the processing temperature of the single screw extrusion machine are as follows: 150~160 DEG C of an area, two 160~180 DEG C of areas, three
175~195 DEG C of area, four 175~195 DEG C of areas, 170~190 DEG C of head；Then irradiation processing is carried out again, and heat extends control after irradiation
System forms final finished cable 15%~30%.
The beneficial effects of the present invention are:
1, interior high voltage cable cross-linked elastomer CABLE MATERIALS of the invention is not added but using SEBS as matrix resin
Add plasticizer white oil, white oil avoided to penetrate into the strand of SEBS, reduces the flexibility of SEBS in irradiation processing post-crosslinking,
So that SEBS is hardened；And SEBS is difficult to be crosslinked during irradiation processing, this keeps down the elasticity of SEBS well,
To be conducive to improve the bending property and anti-cracking performance of cable.
2, interior high voltage cable cross-linked elastomer CABLE MATERIALS of the invention uses this resin material of POP, unique
Propylene and ethylene semi-crystalline co-polymers structure provide unique high resiliency, flexibility, toughness, flexibility and clarity；And
POP and polyolefin have wider compatibility, are the preferable resin compatible modifying agent of HDPE, EPDM, POE, EVA, to product
Stress cracking have biggish help.
3, interior high voltage cable cross-linked elastomer CABLE MATERIALS of the invention is improved between powder and resin using coupling agent
Compatibility；Assistant crosslinking agent is added simultaneously, by cross-linking radiation, manufactured cable possesses fabulous heat resistance, and anti-cracking performance is big
It is big to be promoted.
Specific embodiment
The present invention relates to a kind of interior high voltage cable cross-linked elastomer CABLE MATERIALSs, including by weight such as the following group
Point: 10~30 parts of SEBS, 10~30 parts of EPDM, 10~30 parts of HDPE, 10~30 parts of EVM, 5~20 parts of POE, POP 10
~15 parts, 4~10 parts of PE-g-MAH, 100~150 parts of hydroxide flame retardant, 20~30 parts of phosphorus-nitrogen containing flame retardant, lubricant
0.8~2 part, 1.5~2 parts of coupling agent, 2~3.5 parts of antioxidant, 1.5~3 parts of assistant crosslinking agent, 0.5~1.4 part of processing aid；
White oil is not contained in the CABLE MATERIALS.
In the present invention, the hydroxide flame retardant is selected from least one of magnesium hydroxide, aluminium hydroxide.Preferably,
The hydroxide flame retardant is magnesium hydroxide.The fusing point of magnesium hydroxide is higher compared to for aluminium hydroxide, is suitable for fire-retardant
The high CABLE MATERIALS of temperature requirement.
In the present invention, the phosphorus-nitrogen containing flame retardant is phosphorus flame retardant and/or nitrogenated flame retardant, wherein phosphorus flame retardant
This field may be selected with nitrogenated flame retardant and disclose known common phosphorus flame retardant and nitrogenated flame retardant, such as: phosphorous flame-retardant
Agent can be selected from least one of hypophosphorous acid lithium, diethyl hypophosphorous acid lithium, phosphate, nitrogenated flame retardant can be selected from melamine,
At least one of melamine urea hydrochlorate, melamine phosphate.Preferably, the phosphorus-nitrogen containing flame retardant is by phosphorus flame retardant
It is formed with nitrogenated flame retardant, the ratio of the two is 1:1~2.It is highly preferred that the phosphorus-nitrogen containing flame retardant is by diethyl hypophosphorous acid lithium
It is formed with melamine urea hydrochlorate.
Preferably, the car high voltage cable cross-linked elastomer CABLE MATERIALS includes following component by weight:
10~15 parts of SEBS, 20~25 parts of EPDM, 15~20 parts of HDPE, 15~20 parts of EVM, 10~20 parts of POE, POP 10~
15 parts, 6~10 parts of PE-g-MAH, hydroxide flame retardant 100~15 0 part, 20~30 parts of phosphorus-nitrogen containing flame retardant, lubricant
0.8~2 part, 1.5~2 parts of coupling agent, antioxidant 2~3. 5 part, 1.5~3 parts of assistant crosslinking agent, 0.5~1.4 part of processing aid.
Preferably, the total weight number of described SEBS, EPDM, HDPE, EVM, POE, POP and PE-g-MAH are 100
Part.
Preferably, the content of styrene is 35% in the SEBS, molecular weight is 15~200,000.
Preferably, ethylene contents are 70% in the EPDM, Mooney viscosity (ML1+4,125 DEG C) is 20MU.
Preferably, the melt index of the HDPE is 0.08~2g/10min.
Preferably, the content of vinyl acetate is 40~80% in the EVM, Mooney viscosity (ML 1+4,100 DEG C) is
20~30；It is highly preferred that it is 50% that the EVM, which is bright Sheng EVM 500HV, VA content, Mooney viscosity (ML 1+4,100 DEG C) is
27。
Preferably, the POP be Exxon Mobil VistamaxxTM special elastomer 6102, ethylene contents 16%,
Melt index is 230 DEG C of 3g/10min@.
Preferably, the grafting rate of the PE-g-MAH is 0.6%~1.2%, melt index is 1~10g/10 min.
Preferably, the lubricant is calcium stearate and/or polyethylene wax, it is further preferred that the lubricant is
It is made of 0.6~1.5 part of calcium stearate and 0.2~0.5 part of polyethylene wax.It is highly preferred that the weight of the calcium stearate
Measure 0.2%~0.6% that part is CABLE MATERIALS total weight parts, the parts by weight of the polyethylene wax be calcium stearate parts by weight 1~
2:3.It since the molecular weight of polyethylene wax is smaller, can penetrate between calcium stearate molecule, so as to further mention
The lubricant effect of high stearic acid calcium.
Preferably, further including 2~6 parts of nano barium sulfates and 1~3 part of zinc borate in the CABLE MATERIALS.It is highly preferred that institute
The weight part ratio for stating nano barium sulfate and zinc borate is 3:1~2.
In the present invention, using wear-resisting nano barium sulfate as filler, after coupling agent treatment, solves nano material hardly possible
The dispersion；Simultaneously nano barium sulfate and zinc borate compounding in specific proportions, under the action of mechanical force, in substrate resin compared with
Soft vinyl acetate segment is selectively abraded, and nanometer barium sulfate grains are exposed as spherical shape；Since barium sulfate is harder, together
When be securely bonded to form one layer of firm wear-resisting barium sulfate particle layer together with matrix again, and polyethylene wax can coat
One layer of lubricant layer is formed on barium sulfate particle surface, the two collective effect improves the wearability of material, and being made after cable can be with
Pass through the scraped finish in ISO6722 standard and test requirements document of dawdling.
In addition, in the present invention, select SEBS, EPDM, HDPE, EVM, POE, POP and PE- g-MAH these types resin as
Basis material is mixed with nano barium sulfate, zinc borate, then is cooperated with coupling agent and lubricant, and this fit system not only guarantees
The oil resistance of EVM, has also obtained higher physical mechanical property, and being made after cable can by ISO6722 standard
Chemically-resistant fluid (gasoline, diesel oil, machine oil) test requirements document, tensile strength is greater than 15MPa, elongation at break is greater than 500%.
In the present invention, common coupling agent is can be used in the coupling agent, such as silane coupling agent, titanate coupling agent, aluminic acid
Ester coupling agent etc..Preferably, the coupling agent is silane coupling agent, further preferably vinyl silicane coupling agent is optimal
Selection of land is coupling agent Z373.
Preferably, the parts by weight of coupling agent are hydroxide flame retardant, phosphorus-nitrogen containing flame retardant, nano barium sulfate and boric acid
The 0.9~1.2% of zinc total weight parts.By the processing of coupling agent, solve the nanometers such as hydroxide flame retardant, nano barium sulfate
The problem of material difficulty is dispersed, the compatibility between powder and resin is improved, is conducive to the tensile strength and toughness that increase cable.
Preferably, further including 2~4 parts of silicone powders in the CABLE MATERIALS, the addition of silicone powder can be played further
Lubrication, toughening and fire-retardant effect.
Preferably, the antioxidant includes antioxidant 1010 and anti-oxidant DLTP；It is highly preferred that the antioxidant includes
1~2 part of antioxidant 1010 and 1~1.5 part of anti-oxidant DLTP.
Preferably, the assistant crosslinking agent is selected from least one of TAIC, TMAIC, TMPTMA.
Preferably, the processing aid is fluorine-containing processing aid, it is highly preferred that the processing aid is great Jin PPA
DA-912, it is further preferred that the parts by weight of the processing aid are the 5~8% of SEBS and POE total weight parts.
In the present invention, the fluorine-containing processing aid DA-912 of addition arranges in pairs or groups with SEBS, POE according to special ratios, can
The melt fracture for reducing or eliminating POE reduces the melt viscosity of SEBS, reduces extruder torque, improves melt flow ratio；Pass through improvement
Extrusion process finally makes that material surface is smooth, can quickly squeeze out, and has good processing performance.Secondly, fluorine-containing processing aid DA-
912 and wear resistant filler nano barium sulfate, zinc borate also acted in this formula system anti-drip and promote crust effect.Again
Secondary, fluorine-containing processing aid DA-912 is compounded with hydroxide flame retardant and phosphorus-nitrogen containing flame retardant, has cooperative flame retardant effect, into one
Step improves crust of the material in high-temp combustion, plays facilitation to the promotion of cable flame retardance.
CABLE MATERIALS of the invention can further be prepared into cable, which is suitable for the electric wire electricity of electric car
Cable has good anti-cracking performance.
The present invention also provides a kind of preparation method of above-mentioned cable, the preparation method the following steps are included:
1) it takes SEBS, EPDM, HDPE, EVM, POE, POP and PE-g-MAH of formula ratio to be added in mixing machine to mix,
Then obtained mixture is plasticized and is granulated；
2) step 1) resulting materials are added in the remaining ingredient of formula ratio, are mixed, then in two steps type extruder
Plasticizing is mediated to be granulated；This two steps type extruder includes double screw extruder and single screw extrusion machine；
3) step 2) resulting materials are placed in wire and cable to squeeze out on machine production line, squeeze out in an extruder, is coated on and leads
On body core, then irradiation processing is carried out, heat extends control 15%~30% after irradiation, forms final finished cable.
Preferably, carrying out plasticizing granulation, the processing temperature of the dual-screw pelletizer using dual-screw pelletizer in step 1
Degree are as follows: 140~150 DEG C of conveying section, 160~175 DEG C of melt zone, 170~180 DEG C of mixing section, 165~175 DEG C of exhaust section, homogenizing
170~180 DEG C, 170~180 DEG C of head of section.
Preferably, in step 2 double screw extruder processing temperature are as follows: 140~150 DEG C of conveying section, melt zone 160
~175 DEG C, 170~180 DEG C of mixing section, 165~175 DEG C of exhaust section, 170~180 DEG C of homogenizing zone, 170~180 DEG C of head.
Preferably, in step 2 single screw extrusion machine processing temperature are as follows: the first 140~165 DEG C of area, the second area 170
~180 DEG C, 170~180 DEG C of third area, 160~175 DEG C of head.
Preferably, the extruder in step 3 is single screw extrusion machine, processing temperature are as follows: 150~160 DEG C of an area,
Two 160~180 DEG C of areas, three 175~195 DEG C of areas, four 175~195 DEG C of areas, 170~190 DEG C of head.
Method of the invention is illustrated below by specific embodiment, so that technical solution of the present invention is easier to manage
Solution is grasped, but the present invention is not limited thereto.The reagent and material commercially obtain unless otherwise specified.
Examples 1 to 8
A kind of car high voltage cable cross-linked elastomer CABLE MATERIALS, is used to prepare the wire and cable of electric car, is formulated
(unit of each component is parts by weight) as shown in table 1.
The formula of CABLE MATERIALS in 1 Examples 1 to 8 of table
In the above various embodiments, the nano barium sulfate is Germany Sha Haliben blanc fixe Blanc Fixed F, grain
Diameter is distributed about 15nm；Styrene-content is 35% in the SEBS, and molecular weight is 15~200,000；Ethylene contents are in the EPDM
70%, Mooney viscosity (ML 1+4,125 DEG C) is 20MU；The melt index of the HDPE is 0.08~2g/10min；The EVM
It is 50% for bright Sheng EVM 500HV, VA content, Mooney viscosity (ML 1+4,100 DEG C) is 27；The POP is Exxon Mobil
Vistama xxTM special elastomer 6102, ethylene contents 16%, melt index are 230 DEG C of 3g/10min@；The PE-g-
The grafting rate of MAH is 0.6%~1.2%, and melt index is 1~10g/10min；The silane coupling agent is silane coupling agent Z-
373；The processing aid is the fluorine-containing processing aid of great Jin PPA DA-912.
The CABLE MATERIALS of Examples 1 to 8 is prepared into cable, specifically includes the following steps:
Step 1: by high speed is added by SEBS, EPDM, HDPE, EVM, POE, POP and PE-g-MAH of formula ratio metering
Mixing machine high speed mixes 30 seconds, mixes plasticizing through dual-screw pelletizer and is granulated；The processing temperature of dual-screw pelletizer are as follows: defeated
Send 140~150 DEG C of section, 160~175 DEG C of melt zone, 1 70~180 DEG C of mixing section, 165~175 DEG C of exhaust section, homogenizing zone 170
~180 DEG C, 170~180 DEG C of head.
Step 2: the magnesium hydroxide by formula ratio metering, diethyl hypophosphorous acid lithium, melamine urea is added in above-mentioned material
Hydrochlorate, nano barium sulfate, zinc borate, silane coupling agent, silicone powder, calcium stearate, polyethylene wax, processing aid, antioxidant
1010, it in anti-oxidant DLTP and assistant crosslinking agent TMPTMA, mixes 30 seconds in a high speed mixer, then in two steps type extruder
It mediates plasticizing to be granulated, this two steps type extruder includes double screw extruder and single screw extrusion machine；Wherein double screw extruder
Processing temperature are as follows: 140~150 DEG C of conveying section, 160~175 DEG C of melt zone, 170~180 DEG C of mixing section, exhaust section 165~175
DEG C, 170~180 DEG C of homogenizing zone, 170~180 DEG C of head；The processing temperature of single screw extrusion machine are as follows: the first 140~165 DEG C of area,
Second 170~180 DEG C of area, 170~180 DEG C of third area, 160~175 DEG C of head.
Step 3: step 2 resulting materials are placed on the single screw extrusion machine production line of wire and cable, an area 150~
160 DEG C, two 160~180 DEG C of areas, three 175~195 DEG C of areas, four 175~195 DEG C of areas are squeezed at a temperature of 170~190 DEG C of head
Out, it is coated on 75mm2On conductor thread core, then 18M irradiation processing is carried out, heat extends control 15%~30% after irradiation, obtains
Finished cable.
Performance detection
Tabletting is made in cable made from Examples 1 to 8 according to method specified in QC/T 1037-2016, measures tabletting
Performances, the acquired results such as tensile strength it is as shown in table 2.
The performance test results of the cable tabletting obtained of 2 Examples 1 to 8 of table
The performance test data of cable obtained by the embodiment of the present invention 1~8 is as shown in table 3:
The performance test data of cable made from 3 Examples 1 to 8 of table
The cable that can be seen that Examples 1 to 8 from the result in table 2 and 3 has high mechanical strength, low smoke and non-toxic, wear-resisting
Property excellent, heat-resisting quantity is good, oil resistivity is good, anti-cracking performance is excellent feature, tensile strength is greater than 15MPa, extension at break
Rate is greater than 500%, can pass through the scraped finish and oil resistant test requirement, D temperature grade (150 DEG C) in QC/T 1037-2016 standard
Degradation require and cracking resistance test requirements document.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
It encloses without being limited thereto.Those skilled in the art's made equivalent substitute or transformation on the basis of the present invention, in the present invention
Protection scope within.Protection scope of the present invention is subject to claims.
Claims (10)
1. a kind of car high voltage cable cross-linked elastomer CABLE MATERIALS, which is characterized in that including following component by weight:
10~30 parts of hydrogenated styrene analog thermoplastic elastomer, 10~30 parts of ethylene propylene diene rubber, 10~30 parts of high density polyethylene (HDPE), second
10~30 parts of alkene-acetate ethylene copolymer, 5~20 parts of ethylene-octene copolymer, metallocene catalysis propylene ethylene copolymers elasticity
10~15 parts of body, 4~10 parts of maleic anhydride grafted polyethylene copolymer, 100~150 parts of hydroxide flame retardant, the resistance of phosphorus nitrogen system
It fires 20~30 parts of agent, 0.8~2 part of lubricant, 1.5~2 parts of coupling agent, 2~3.5 parts of antioxidant, 1.5~3 parts of assistant crosslinking agent, add
0.5~1.4 part of work auxiliary agent；White oil is not contained in the CABLE MATERIALS.
2. car high voltage cable cross-linked elastomer CABLE MATERIALS as described in claim 1, which is characterized in that the hydrogenation of benzene second
Ethylenic thermoplastic elastomer, ethylene propylene diene rubber, high density polyethylene (HDPE), ethylene-vinyl acetate copolymer, ethylene-octene copolymerization
The total weight number of object, metallocene catalysis propylene ethylene copolymers elastomer and maleic anhydride grafted polyethylene copolymer is 100
Part.
3. car high voltage cable cross-linked elastomer CABLE MATERIALS as described in claim 1, which is characterized in that the lubricant packet
Include 0.6~1.5 part of calcium stearate and 0.2~0.5 part of polyethylene wax.
4. car high voltage cable cross-linked elastomer CABLE MATERIALS as claimed in claim 3, which is characterized in that the calcium stearate
Parts by weight be the 0.2%~0.6% of CABLE MATERIALS total weight parts, the weight part ratio of the polyethylene wax and calcium stearate is 1~
2:3.
5. car high voltage cable cross-linked elastomer CABLE MATERIALS as claimed in claim 3, which is characterized in that in the CABLE MATERIALS
It further include 2~6 parts of nano barium sulfates and 1~3 part of zinc borate.
6. car high voltage cable cross-linked elastomer CABLE MATERIALS as claimed in claim 5, which is characterized in that the nanometer sulfuric acid
The weight part ratio of barium and zinc borate is 3:1~2.
7. car high voltage cable cross-linked elastomer CABLE MATERIALS as claimed in claim 5, which is characterized in that the coupling agent is
Silane coupling agent, parts by weight are hydroxide flame retardant, phosphorus-nitrogen containing flame retardant, nano barium sulfate and zinc borate total weight parts
0.9~1.2%.
8. car high voltage cable cross-linked elastomer CABLE MATERIALS as described in claim 1, which is characterized in that
The antioxidant includes 1~2 part of antioxidant 1010 and 1~1.5 part of anti-oxidant DLTP；
The assistant crosslinking agent is selected from least one of TAIC, TMAIC and TMPTMA；
The ethylene-vinyl acetate copolymer is that bright Sheng EVM 500HV, VA content is 50%, and Mooney viscosity (ML 1+4,100
DEG C) it is 27；
The processing aid is the fluorine-containing processing aid of great Jin PPA DA-912, and parts by weight are hydrogenated styrene analog thermoplastic elasticity
The 5~8% of the total weight parts of body and ethylene-octene copolymer；
The metallocene catalysis propylene ethylene copolymers elastomer is Exxon Mobil VistamaxxTM special elastomer 6102,
Ethylene contents are 16%, and melt index is 230 DEG C of 3g/10min@.
9. a kind of as the described in any item interior high voltage cable cables made from cross-linked elastomer CABLE MATERIALS of claim 1-8.
10. the preparation method of cable according to claim 9, which comprises the following steps:
1) hydrogenated styrene analog thermoplastic elastomer, ethylene propylene diene rubber, high density polyethylene (HDPE), the ethyl vinyl acetate of formula ratio are taken
Ethylene copolymer, ethylene-octene copolymer, metallocene catalysis propylene ethylene copolymers elastomer and maleic anhydride grafted polyethylene
Copolymer is added in mixing machine and mixes, then obtained mixture is plasticized to granulation in dual-screw pelletizer；Double spiral shells
The processing temperature of bar pelletizer are as follows: 140~150 DEG C of conveying section, 160~175 DEG C of melt zone, 170~180 DEG C of mixing section, exhaust
165~175 DEG C, 170~180 DEG C of homogenizing zone, 170~180 DEG C of head of section；
2) step 1) resulting materials are added in the remaining ingredient of formula ratio, mix, is then mediated in two steps type extruder
Plasticizing is granulated, and the two steps type extruder includes double screw extruder and single screw extrusion machine；The double screw extruder adds
Work temperature are as follows: 140~150 DEG C of conveying section, 160~175 DEG C of melt zone, 170~180 DEG C of mixing section, 165~175 DEG C of exhaust section,
170~180 DEG C of homogenizing zone, 170~180 DEG C of head；The processing temperature of the single screw extrusion machine are as follows: the first area 140~165
DEG C, the second 170~180 DEG C of area, 170~180 DEG C of third area, 160~175 DEG C of head；
3) step 2) resulting materials are placed in wire and cable to squeeze out on machine production line, squeeze out, is coated in single screw extrusion machine
On conductor thread core, the processing temperature of the single screw extrusion machine are as follows: 150~160 DEG C of an area, two 160~180 DEG C of areas, three areas 175
~195 DEG C, four 175~195 DEG C of areas, 170~190 DEG C of head；Then irradiation processing is carried out again, and heat extends control and exists after irradiation
15%~30%, form final finished cable.
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| CN201811150975.7A CN109181122B (en) | 2018-09-29 | 2018-09-29 | Crosslinked elastomer cable material for high-voltage cable in vehicle, cable and preparation method of cable |
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Cited By (1)
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Effective date of registration: 20230321 Address after: 432300 No. 18, Jingu Avenue, Jingu City, liujiage Town, Hanchuan City, Xiaogan City, Hubei Province Patentee after: CHINA GUANGDONG NUCLEAR TOP (HUBEI) NEW MATERIALS CO.,LTD. Address before: No.18 Jinzhou Road, Taicang City, Suzhou City, Jiangsu Province Patentee before: CGN HIGH-TECH NUCLEAR MATERIALS TECHNOLOGY (SUZHOU) Co.,Ltd. |