CN103474163A - 5000-15000 volt jumper cable for vessel petrifaction and manufacturing method thereof - Google Patents
5000-15000 volt jumper cable for vessel petrifaction and manufacturing method thereof Download PDFInfo
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Abstract
The invention relates to a 5000-15000 volt jumper cable for vessel petrifaction and a manufacturing method thereof. A conductor shielding layer wraps the periphery of a twisted copper conductor, an ethylene propylene rubber insulating layer evenly wraps the periphery of the conductor shielding layer in a squeezing mode, and a high-thermal-resistance-coefficient chemical crosslinking polyolefin outer sheath wraps the periphery of the ethylene propylene rubber insulating layer in a squeezing mode. The outer sheath comprises, by weight, 10 parts of LEVAPREN500HV rubber, 10 parts of EPDM4045M, 0.6-1 part of BIPB, 0.2-0.4 part of TAC, 0.2-0.5 part of A-172, 0.5-1 part of stearic acid, 30-35 parts of aluminum hydroxide, 6-10 parts of fumed silica, 0.6-1 part of N550 carbon black, 1.5-2.5 parts of polyethylene wax, 0.2-0.4 part of DDA and 2-5 parts of zinc borate. The cable occupies little space and is light, the temperature rise degree of the surface of the cable sheath is low, and the carrying capacity is large.
Description
Technical field
The present invention relates to a kind of jumper cable, particularly 5000 to 15000 volts of jumper cables for a kind of naval vessel petrochemical industry.The invention still further relates to the manufacture method of a kind of naval vessel petrochemical industry with 5000 to 15000 volts of jumper cables.
Background technology
Along with country strengthens the attention to the offshore oil energy exploitation and application, large quantities of new ships and landification equipment are built.Naval vessel and landification equipment all are furnished with emergency electric power facility or mobile power station except normal electric equipment, so that standby under special circumstances.Now need by jumper cable, terminate load to be connected rapidly with mobile power station, thereby require jumper cable must possess performance lightweight, that ampacity is large, surface temperature rise is little.
The weight of cable has very large impact to the load of boats and ships, and the weight of cable is long-pending relevant with cross-sectional area of conductor, cross-sectional area of conductor is long-pending is mainly to be determined by ampacity, and the factor that affects ampacity also has insulation used, sheath material and the construction of cable etc. except conductor material and sectional area.Because the shipboard cable conductor is twisted copper conductors, therefore the shipboard cable ampacity is mainly to be determined by insulation, sheath material and the construction of cable
Thereby prior art is mainly to insulate and improve the ampacity of cable with the nominal operation temperature of sheath material by raising, but because the less surface temperature of cable that makes of thermal resistivity of current material is very high, can reach 110 ℃, and that cable dispels the heat in narrow and small boats and ships space is not smooth, cause ambient temperature to raise, from and can more reduce the ampacity of cable, and the safety of other facilities around impact, cause vicious circle.The thermal resistivity of existing low smoke and zero halogen sheath material is 3.5 Km/W, is not enough to reduce the cable surface temperature rise.According to the relation of power, voltage and current, in the situation that power is certain, improves voltage and just can reduce electric current simultaneously, reduce caloric value.By reducing the method for cable surface temperature rise, also can improve the conductor ampacity, alleviate the weight of cable.
Summary of the invention
Primary and foremost purpose of the present invention is, overcomes problems of the prior art, and 5000 to 15000 volts of jumper cables for a kind of naval vessel petrochemical industry are provided, and the oversheath thermal resistivity is high, in the situation that cross-sectional area of conductor is long-pending identical, can improve ampacity.
For realizing above purpose, 5000 to 15000 volts of jumper cables for a kind of naval vessel provided by the present invention petrochemical industry, the periphery of twisted copper conductors is coated with conductor shield, the periphery of conductor shield evenly is extruded with ethylene propylene rubber insulated layer, and the periphery of ethylene propylene rubber insulated layer is extruded with high thermal resistivity chemical crosslinking polyolefin oversheath.
With respect to prior art, the present invention has obtained following beneficial effect: what adopt due to the outer wall of cable core is high thermal resistivity chemical crosslinking polyolefin oversheath, can reduce the temperature of cable outer wall, in the situation that cross-sectional area of conductor is long-pending identical, can improve ampacity.
As preferred version of the present invention, raw material components and the weight content of described high thermal resistivity chemical crosslinking polyolefin oversheath are as follows, LEVAPREN 500HV rubber: 10 parts; Ethylene propylene diene rubber 4045M:10 part; Dual-tert-butyl peroxy isopropyl base benzene: 0.6 ~ 1 part; Triallyl cyanurate: 0.2 ~ 0.4 part; Vinyl three ('beta '-methoxy ethyoxyl) silane: 0.2 ~ 0.5 part; Stearic acid: 0.5 ~ 1 part; Aluminium hydroxide: 30 ~ 35 parts; Fume colloidal silica: 6 ~ 10 parts; N550 carbon black: 0.6 ~ 1 part; Tissuemat E: 1.5 ~ 2.5 parts; Alkylated diphenylamine: 0.2 ~ 0.4 part; Firebrake ZB: 2 ~ 5 parts.This sheath is obtained following beneficial effect: (1) LEVAPREN 500HV rubber is along with the wherein increase of vinyl acetate content, the crosslinkable degree of sizing material, oil resistance, elongation at break can significantly increase, but when vinyl acetate content is greater than 55%, the heat-resisting quantity of LEVAPREN 500HV rubber and elasticity can descend, and affect flexibility; The present invention is based on vulcanized rubber need to possess the high current-carrying capacity of high temperature resistant assurance cable and select LEVAPREN 500HV rubber; The molecular structure of LEVAPREN 500HV rubber is saturated methine main chain simultaneously, and contain polarity side group, nonpolar methine group and suitable activity, there is high flame retardant, heat-proof aging, oil resistance, and can carry out vulcanization crosslinking by cheap peroxide, but the price of LEVAPREN 500HV rubber is higher.(2) ethylene propylene diene rubber 4045M belongs to saturated copolymer, does not contain unsaturated double-bond, and available peroxide cure has excellent anti-ozone aging, heat-resisting weather-resistant property, process industrial art performance, cheap, but oil resistance and poor adhesion.Adopt second Warburg Pincus rubber LEVAPREN 500HV and ethylene propylene diene rubber 4045M to share and can bring into play the two advantage separately, the overall performance of raising sizing material, reduce costs.(3) adopt aluminium hydroxide (being hydrated alumina) as fire retardant; it contains 3 hydrones; at 250 ℃, start to decompose; discharge hydrone and absorb heat and reduced environment temperature; the steam discharged has played again the effect of combustable gas concentration in the dilution gas phase, and the carbide combination of the alundum (Al2O3) of generation and burning polymer surfaces, form diaphragm; cut off the intrusion of heat energy and oxygen, played fire retardation.Hydrated alumina has low cigarette and reduces the effect that carbon monoxide occurs, environment-protecting clean simultaneously.(4) Firebrake ZB sells fumicants as the synergistic fire retardant of aluminium hydroxide, not only can discharge the crystallization water after being heated and absorb large calorimetric, and the limiting material temperature rises, reduce the jacket surface temperature, can also form boron chloride, zinc chloride covers material surface, plays heat insulation, oxygen barrier, prevents that flue gas from overflowing.(5) adopting dual-tert-butyl peroxy isopropyl base benzene is that vulcanizing agent BIPB replaces traditional DCP to have obvious advantage: DCP producing niff when crosslinked, and stays in goods; BIPB is without this shortcoming; The BIPB temperature resistant grade is high, can under high 10 ℃ than DCP, carry out mixing; BIPB contains two peroxide bridges, and active o content is high, and amount ratio DCP few 30%; The BIPB volatility is low simultaneously, can avoid the bubble caused by methane; But BIPB decomposes in rubber composition produces free radical, cause cross-linking reaction, the cut-out of propylene chain link on rubber backbone also occurs simultaneously, can improve vulcanized rubber thermal endurance, improve compression, reduce brittle temperature, improve low temperature and deflect performance, but BIPB is when vulcanized rubber, the ionic occurred decomposes the utilization ratio that can reduce BIPB, and crosslink density is low, bad mechanical property, and aging is poor; (6) adopting triallyl cyanurate is that TAC is as co-curing agent, the unsaturated active group that utilizes the TAC co-curing agent to exist, the radical reaction rapid and BIPB decomposites, form constitutionally stable new free radical, and sustainable participation cross-linking reaction, thereby improve utilance and the cross-linking efficiency of BIPB, improve curingprocess rate, crosslink density and the hot strength of sizing material, guarantee the combination property of vulcanizate.Alkylated diphenylamine be antioxidant D DA high effect nontoxic, volatility little, to heat, light, ozone caused aging have special protective action and antifatigue effect, especially to the anti-aging effect of the rubber that requires to use under hot conditions and antifatigue effect for outstanding, and with second Warburg Pincus rubber LEVAPREN 500HV and ethylene propylene diene rubber 4045M with good describing property is arranged.(8) stearic acid can play the double action of activating agent and lubricant as lubricant, makes the vulcanizing agent metal oxide have larger activity, and the dispersiveness to carbon black N550 in sizing material is better, has the effect of release agent simultaneously, is beneficial to sizing material and mould adhesion; Also can improve the process industrial art performance of Insulation Material, improve processing speed, can improve the quality of sizing material simultaneously, prevent that sizing material from adding the adhesion on man-hour and equipment and other contact material surfaces, sizing material in the course of processing is had good in roller and release property, guarantee the sizing material any surface finish, the kinematic viscosity while reducing sizing material internal friction and melting, prevent from crossing the thermal impact serviceability because internal friction causes sizing material.(9) the N550 carbon black can improve the ultraviolet-resistant aging performance of sizing material as colouring agent, sizing material is had to strengthening action simultaneously.(10) fume colloidal silica is as reinforcing agent, for the gluey nano particle of the amorphous cotton-shaped translucent solid of white, by the halide nanoscale white powder that pyrohydrolysis generates in oxyhydrogen flame of silicon, particle diameter is little, and specific area is large, can be so that sizing material has higher mechanical strength, processing performance is good, and hot strength is high, but the impact of fume colloidal silica particle surface group acidity, can postpone sulfuration, large, the mixing easy roll banding of sizing material viscosity.Due to the Mooney viscosity of LEVAPREN 500HV easy roll banding when low, mixing, adding vinyl three ('beta '-methoxy ethyoxyl) silane is coupling agent A-172 and plasticizer Tissuemat E, improves processing technology.Coupling agent A-172 is undersaturated silane, it can with the spontaneous coupling of fume colloidal silica, significantly reduce the viscosity of inserts granularity and sizing material, improve on the one hand the wettability of rubber and reinforcing agent, filler, form rubber one filler key by unsaturated bond on the other hand in sulfidation, play the tensile strength and the water-resistant stability that increase curingprocess rate, strengthen vulcanizate, eliminate the effect of high temperature vulcanized generation pore.Tissuemat E viscosity is low, and softening point is high, nontoxic, Heat stability is good, the large high-temperature volatile of molecular weight is low, and the chemical-resistant resistance ability is strong, and electrical property is good, but can improve the diffusion of the outward appearance reinforcing filler of finished product, improve extrusion modling speed, increase the mould flow, demoulding facility.More than tensile strength before high thermal resistivity chemical crosslinking polyolefin oversheath of the present invention is aging can reach 11 N/mm2, elongation at break can reach more than 190%; Tensile strength retention rate after air-oven is aging can reach more than 61%, and reserved elongation at break can reach more than 62%; Under degree of cross linking test load, percentage elongation can reach below 18%; More than thermal resistivity can reach 6.1Km/W; Acid gas content, content of halogen, poison exponent, smoke index etc. all are better than standard-required.
As preferred version of the present invention, raw material components and the weight content of described high thermal resistivity chemical crosslinking polyolefin oversheath are as follows, LEVAPREN 500HV rubber: 10 parts; Ethylene propylene diene rubber 4045M:10 part; Dual-tert-butyl peroxy isopropyl base benzene: 0.6 part; Triallyl cyanurate: 0.2 part; Vinyl three ('beta '-methoxy ethyoxyl) silane: 0.2 part; Stearic acid: 0.5 part; Aluminium hydroxide: 30 parts; Fume colloidal silica: 6 parts; N550 carbon black: 0.6 part; Tissuemat E: 1.5 parts; Alkylated diphenylamine: 0.2 part; Firebrake ZB: 2 parts.
As preferred version of the present invention, raw material components and the weight content of described high thermal resistivity chemical crosslinking polyolefin oversheath are as follows, LEVAPREN 500HV rubber: 10 parts; Ethylene propylene diene rubber 4045M:10 part; Dual-tert-butyl peroxy isopropyl base benzene: 0.8 part; Triallyl cyanurate: 0.8 part; Vinyl three ('beta '-methoxy ethyoxyl) silane: 0.3 part; Stearic acid: 0.8 part; Aluminium hydroxide: 32 parts; Fume colloidal silica: 8 parts; N550 carbon black: 0.8 part; Tissuemat E: 2.0 parts; Alkylated diphenylamine: 0.3 part; Firebrake ZB: 4 parts.
As preferred version of the present invention, raw material components and the weight content of described high thermal resistivity chemical crosslinking polyolefin oversheath are as follows, LEVAPREN 500HV rubber: 10 parts; Ethylene propylene diene rubber 4045M:10 part; Dual-tert-butyl peroxy isopropyl base benzene: 1 part; Triallyl cyanurate: 0.4 part; Vinyl three ('beta '-methoxy ethyoxyl) silane: 0.5 part; Stearic acid: 1 part; Aluminium hydroxide: 35 parts; Fume colloidal silica: 10 parts; N550 carbon black: 1 part; Tissuemat E: 2.5 parts; Alkylated diphenylamine: 0.4 part; Firebrake ZB: 5 parts.
Another object of the present invention is, the manufacture method of a kind of naval vessel petrochemical industry with 5000 to 15000 volts of jumper cables is provided, the cable that the method manufacture forms, and the oversheath thermal resistivity is high, in the situation that cross-sectional area of conductor is long-pending identical, can improve ampacity.
For realizing above purpose, the manufacture method of 5000 to 15000 volts of jumper cables for naval vessel provided by the present invention petrochemical industry, comprise the following steps successively: at the periphery coating conductor screen of twisted copper conductors, then the periphery at conductor shield evenly extrudes ethylene propylene rubber insulated layer, and then the periphery at ethylene propylene rubber insulated layer extrudes high thermal resistivity chemical crosslinking polyolefin oversheath.
With respect to prior art, the beneficial effect that the present invention obtains as mentioned above.
As preferred version of the present invention, the preparation method of described high thermal resistivity chemical crosslinking polyolefin oversheath is as follows: (1) prepares raw material, LEVAPREN 500HV rubber: 10 parts by following component and weight content; Ethylene propylene diene rubber 4045M:10 part; Dual-tert-butyl peroxy isopropyl base benzene: 0.6 ~ 1 part; Triallyl cyanurate: 0.2 ~ 0.4 part; Vinyl three ('beta '-methoxy ethyoxyl) silane: 0.2 ~ 0.5 part; Stearic acid: 0.5 ~ 1 part; Aluminium hydroxide: 30 ~ 35 parts; Fume colloidal silica: 6 ~ 10 parts; N550 carbon black: 0.6 ~ 1 part; Tissuemat E: 1.5 ~ 2.5 parts; Alkylated diphenylamine: 0.2 ~ 0.4 part; Firebrake ZB: 2 ~ 5 parts; (2) first vinyl three ('beta '-methoxy ethyoxyl) silane, stearic acid, aluminium hydroxide, fume colloidal silica, N550 carbon black, Tissuemat E, alkylated diphenylamine and Firebrake ZB are dropped into to banbury, under 20 ℃～30 ℃ mixing 9 ~ 10 minutes, then the banbury temperature is risen to 110 ℃ ~ 120 ℃, add LEVAPREN 500HV rubber and ethylene propylene diene rubber 4045M to continue mixing 15 ~ 18 minutes, then elastomeric compound is moved to mill and carry out compressing tablet, cooling 24 ~ 36 hours; Then the banbury temperature is controlled to 100 ~ 110 ℃; above-mentioned sizing material is dropped into to banbury; and add dual-tert-butyl peroxy isopropyl base benzene and triallyl cyanurate mixing 3 ~ 4 minutes; again elastomeric compound is moved to mill and play triangle bag or clot 7 ~ 8 times; then compressing tablet, cooling, on single screw pelletizer, granulation is standby.
As preferred version of the present invention, described high thermal resistivity chemical crosslinking polyolefin oversheath adopts cold feeding manner to extrude from double screw extruder, the draw ratio of screw rod is (15～20): 1, body temperature while extruding is 115 ± 5 ℃, head temperature is 120 ± 5 ℃, the cooled screw mode of rubber extruding machine adopts water cooling, after extruding, under 160 ~ 180 ℃, carries out crosslinked.
The accompanying drawing explanation
Fig. 1 is the structural representation of naval vessel of the present invention petrochemical industry with 5000 to 15000 volts of jumper cables.
In figure: 1. twisted copper conductors; 2. conductor shield; 3. ethylene propylene rubber insulated layer; 4. high thermal resistivity chemical crosslinking polyolefin oversheath.
Embodiment
Embodiment mono-
As shown in Figure 1,5000 to 15000 volts of jumper cables for naval vessel of the present invention petrochemical industry, manufacture method comprises the following steps successively: the periphery in twisted copper conductors 1 is coated with conductor shield 2, the periphery of conductor shield 2 evenly is extruded with ethylene propylene rubber insulated layer 3, the periphery of ethylene propylene rubber insulated layer 3, is extruded with high thermal resistivity chemical crosslinking polyolefin oversheath 4.Twisted copper conductors 1 is for meeting stranded the forming of the 5th class soft structure tinned conductor of IEC 60228-2004 standard, and ethylene propylene rubber insulated layer 3 adopts and meets the ethylene-propylene rubber in IEC 60092-351 standard.
Wherein, the preparation method of described high thermal resistivity chemical crosslinking polyolefin oversheath is as follows: (1) prepares raw material, LEVAPREN 500HV rubber: 10 parts by following component and weight content; Ethylene propylene diene rubber 4045M:10 part; Dual-tert-butyl peroxy isopropyl base benzene: 0.6 part; Triallyl cyanurate: 0.2 part; Vinyl three ('beta '-methoxy ethyoxyl) silane: 0.2 part; Stearic acid: 0.5 part; Aluminium hydroxide: 30 parts; Fume colloidal silica: 6 parts; N550 carbon black: 0.6 part; Tissuemat E: 1.5 parts; Alkylated diphenylamine: 0.2 part; Firebrake ZB: 2 parts; (2) first vinyl three ('beta '-methoxy ethyoxyl) silane, stearic acid, aluminium hydroxide, fume colloidal silica, N550 carbon black, Tissuemat E, alkylated diphenylamine and Firebrake ZB are dropped into to banbury, under 20 ℃ mixing 9 minutes, then the banbury temperature is risen to 110 ℃, add LEVAPREN 500HV rubber and ethylene propylene diene rubber 4045M to continue mixing 15 minutes, then elastomeric compound is moved to mill and carry out compressing tablet, cooling 24 hours; Then the banbury temperature is controlled to 100 ℃; above-mentioned sizing material is dropped into to banbury; and add dual-tert-butyl peroxy isopropyl base benzene and triallyl cyanurate mixing 3 minutes; again elastomeric compound is moved to mill and play triangle bag or clot 7 times; then compressing tablet, cooling, on single screw pelletizer, granulation is standby.
Described high thermal resistivity chemical crosslinking polyolefin oversheath adopts cold feeding manner to extrude from double screw extruder, the draw ratio of screw rod is 15:1, body temperature while extruding is 110 ℃, head temperature is 115 ℃, the cooled screw mode of rubber extruding machine adopts water cooling, after extruding, under 160 ℃, carries out crosslinked.
Embodiment bis-
As shown in Figure 1,5000 to 15000 volts of jumper cables for naval vessel of the present invention petrochemical industry, manufacture method comprises the following steps successively: the periphery in twisted copper conductors 1 is coated with conductor shield 2, the periphery of conductor shield 2 evenly is extruded with ethylene propylene rubber insulated layer 3, the periphery of ethylene propylene rubber insulated layer 3, is extruded with high thermal resistivity chemical crosslinking polyolefin oversheath 4.Twisted copper conductors 1 is for meeting stranded the forming of the 5th class soft structure tinned conductor of IEC 60228-2004 standard, and ethylene propylene rubber insulated layer 3 adopts and meets the ethylene-propylene rubber in IEC 60092-351 standard.
Wherein, the preparation method of described high thermal resistivity chemical crosslinking polyolefin oversheath is as follows: (1) prepares raw material, LEVAPREN 500HV rubber: 10 parts by following component and weight content; Ethylene propylene diene rubber 4045M:10 part; Dual-tert-butyl peroxy isopropyl base benzene: 0.8 part; Triallyl cyanurate: 0.8 part; Vinyl three ('beta '-methoxy ethyoxyl) silane: 0.3 part; Stearic acid: 0.8 part; Aluminium hydroxide: 32 parts; Fume colloidal silica: 8 parts; N550 carbon black: 0.8 part; Tissuemat E: 2.0 parts; Alkylated diphenylamine: 0.3 part; Firebrake ZB: 4 parts; (2) first vinyl three ('beta '-methoxy ethyoxyl) silane, stearic acid, aluminium hydroxide, fume colloidal silica, N550 carbon black, Tissuemat E, alkylated diphenylamine and Firebrake ZB are dropped into to banbury, under 25 ℃ mixing 10 minutes, then the banbury temperature is risen to 115 ℃, add LEVAPREN 500HV rubber and ethylene propylene diene rubber 4045M to continue mixing 16 minutes, then elastomeric compound is moved to mill and carry out compressing tablet, cooling 30 hours; Then the banbury temperature is controlled to 105 ℃; above-mentioned sizing material is dropped into to banbury; and add dual-tert-butyl peroxy isopropyl base benzene and triallyl cyanurate mixing 3.5 minutes; again elastomeric compound is moved to mill and play triangle bag or clot 8 times; then compressing tablet, cooling, on single screw pelletizer, granulation is standby.
Described high thermal resistivity chemical crosslinking polyolefin oversheath adopts cold feeding manner to extrude from double screw extruder, the draw ratio of screw rod is 18:1, body temperature while extruding is 115 ℃, head temperature is 120 ℃, the cooled screw mode of rubber extruding machine adopts water cooling, after extruding, under 170 ℃, carries out crosslinked.
Embodiment tri-
As shown in Figure 1,5000 to 15000 volts of jumper cables for naval vessel of the present invention petrochemical industry, manufacture method comprises the following steps successively: the periphery in twisted copper conductors 1 is coated with conductor shield 2, the periphery of conductor shield 2 evenly is extruded with ethylene propylene rubber insulated layer 3, the periphery of ethylene propylene rubber insulated layer 3, is extruded with high thermal resistivity chemical crosslinking polyolefin oversheath 4.Twisted copper conductors 1 is for meeting stranded the forming of the 5th class soft structure tinned conductor of IEC 60228-2004 standard, and ethylene propylene rubber insulated layer 3 adopts and meets the ethylene-propylene rubber in IEC 60092-351 standard.
Wherein, the preparation method of described high thermal resistivity chemical crosslinking polyolefin oversheath is as follows: (1) prepares raw material, LEVAPREN 500HV rubber: 10 parts by following component and weight content; Ethylene propylene diene rubber 4045M:10 part; Dual-tert-butyl peroxy isopropyl base benzene: 1 part; Triallyl cyanurate: 0.4 part; Vinyl three ('beta '-methoxy ethyoxyl) silane: 0.5 part; Stearic acid: 1 part; Aluminium hydroxide: 35 parts; Fume colloidal silica: 10 parts; N550 carbon black: 1 part; Tissuemat E: 2.5 parts; Alkylated diphenylamine: 0.4 part; Firebrake ZB: 5 parts; (2) first vinyl three ('beta '-methoxy ethyoxyl) silane, stearic acid, aluminium hydroxide, fume colloidal silica, N550 carbon black, Tissuemat E, alkylated diphenylamine and Firebrake ZB are dropped into to banbury, under 30 ℃ mixing 10 minutes, then the banbury temperature is risen to 120 ℃, add LEVAPREN 500HV rubber and ethylene propylene diene rubber 4045M to continue mixing 18 minutes, then elastomeric compound is moved to mill and carry out compressing tablet, cooling 36 hours; Then the banbury temperature is controlled to 110 ℃; above-mentioned sizing material is dropped into to banbury; and add dual-tert-butyl peroxy isopropyl base benzene and triallyl cyanurate mixing 4 minutes; again elastomeric compound is moved to mill and play triangle bag or clot 8 times; then compressing tablet, cooling, on single screw pelletizer, granulation is standby.
Described high thermal resistivity chemical crosslinking polyolefin oversheath adopts cold feeding manner to extrude from double screw extruder, the draw ratio of screw rod is 20:1, body temperature while extruding is 120 ℃, head temperature is 125 ℃, the cooled screw mode of rubber extruding machine adopts water cooling, after extruding, under 180 ℃, carries out crosslinked.
To the aging front measuring mechanical property result of high thermal resistivity chemical crosslinking polyolefin oversheath in embodiment mono-to embodiment tri-as table 1.
Table 1
Measuring mechanical property result after aging to high thermal resistivity chemical crosslinking polyolefin oversheath air-oven in embodiment mono-to embodiment tri-is as table 2, aging condition: 158 ± 2 ℃ of temperature, time: 168h.
Table 2
High thermal resistivity chemical crosslinking polyolefin oversheath in embodiment mono-to embodiment tri-is carried out to measuring mechanical property after immersing IRM902# oil, and test result is as table 3.Test condition: 121 ± 2 ℃ of temperature, time 18h.
Table 3
To high thermal resistivity chemical crosslinking polyolefin oversheath tearing toughness test result in embodiment mono-to embodiment tri-as table 4.
Table 4
To high thermal resistivity chemical crosslinking polyolefin oversheath degree of cross linking result of the test in embodiment mono-to embodiment tri-as table 5, test condition: 200 ± 3 ℃ of temperature, load time 15min, mechanical stress 20 N/cm2.
Table 5
High thermal resistivity chemical crosslinking polyolefin oversheath in embodiment mono-to embodiment tri-is carried out to heat distortion test, and test result is as shown in table 6,121 ± 2 ℃ of probe temperatures, time 1 h.
Table 6
Test result to the acid gas content of high thermal resistivity chemical crosslinking polyolefin oversheath in embodiment mono-to embodiment tri-, content of halogen, poison exponent, smoke index is as shown in table 7.
Table 7
High thermal resistivity chemical crosslinking polyolefin oversheath in embodiment mono-to embodiment tri-is carried out to the weather-resistant test, testing time 1000h, test result is as shown in table 8.
Table 8
Thermal resistivity test result to high thermal resistivity chemical crosslinking polyolefin oversheath in embodiment mono-to embodiment tri-is as shown in table 9.
Table 9
The finished cable that adopts the high thermal resistivity chemical crosslinking polyolefin oversheath of embodiment mono-to embodiment tri-is tested, can be worked under the kinds of radiation of table 10 and fluence rate.
Table 10
In embodiment mono-to embodiment tri-, LEVAPREN 500HV rubber claims again second Warburg Pincus rubber, can adopt the product in the male sunshine of Jiangyou City chemical plant; Ethylene propylene diene rubber 4045M can adopt the product of Mitsui Co., Ltd. or Wuhan Mao Jia chemical industry Co., Ltd; Dual-tert-butyl peroxy isopropyl base benzene claims again vulcanizing agent BIPB, the optional product that reaches chemicals Co., Ltd with Shanghai Fang Rui; Triallyl cyanurate claims again vulcanizing agent TAC, can select the Nanjing product of grand chemical industry Co., Ltd forever; Vinyl three ('beta '-methoxy ethyoxyl) silane claims again silane coupling A-172, can select the Nanjing product of chemical industry Co., Ltd forward; Stearic acid claims again activating agent SA, can select the product of Guangzhou justice and chemical industry Co., Ltd; Aluminium hydroxide can be selected the product of Shanghai Xiang Meng chemical industry Co., Ltd; Fume colloidal silica can be selected the product of Yangzhou sky energy chemical industry Co., Ltd; The N550 carbon black can select Wuhan to visit the product of new carbon black scientific and technological development Co., Ltd; Tissuemat E can be selected the product of Yangzhou rowland new material Co., Ltd; Alkylated diphenylamine claims again antioxidant D DA, the optional product with Shanghai addition chemical industry Co., Ltd; Firebrake ZB can be selected the product of Zibo Wu Wei Industrial Co., Ltd..The present invention is raw materials used, except above producer, all can select other satisfactory like product on market.
The foregoing is only the present invention's better possible embodiments, non-so limit to scope of patent protection of the present invention.In addition to the implementation, the present invention can also have other execution modes.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection range of requirement of the present invention.
Claims (8)
1. 5000 to 15000 volts of jumper cables for the naval vessel petrochemical industry, it is characterized in that: the periphery of twisted copper conductors is coated with conductor shield, the periphery of conductor shield evenly is extruded with ethylene propylene rubber insulated layer, and the periphery of ethylene propylene rubber insulated layer is extruded with high thermal resistivity chemical crosslinking polyolefin oversheath.
2. 5000 to 15000 volts of jumper cables for naval vessel according to claim 1 petrochemical industry, is characterized in that, raw material components and the weight content of described high thermal resistivity chemical crosslinking polyolefin oversheath are as follows, LEVAPREN 500HV rubber: 10 parts; Ethylene propylene diene rubber 4045M:10 part; Dual-tert-butyl peroxy isopropyl base benzene: 0.6 ~ 1 part; Triallyl cyanurate: 0.2 ~ 0.4 part; Vinyl three ('beta '-methoxy ethyoxyl) silane: 0.2 ~ 0.5 part; Stearic acid: 0.5 ~ 1 part; Aluminium hydroxide: 30 ~ 35 parts; Fume colloidal silica: 6 ~ 10 parts; N550 carbon black: 0.6 ~ 1 part; Tissuemat E: 1.5 ~ 2.5 parts; Alkylated diphenylamine: 0.2 ~ 0.4 part; Firebrake ZB: 2 ~ 5 parts.
3. 5000 to 15000 volts of jumper cables for naval vessel according to claim 2 petrochemical industry, is characterized in that, raw material components and the weight content of described high thermal resistivity chemical crosslinking polyolefin oversheath are as follows, LEVAPREN 500HV rubber: 10 parts; Ethylene propylene diene rubber 4045M:10 part; Dual-tert-butyl peroxy isopropyl base benzene: 0.6 part; Triallyl cyanurate: 0.2 part; Vinyl three ('beta '-methoxy ethyoxyl) silane: 0.2 part; Stearic acid: 0.5 part; Aluminium hydroxide: 30 parts; Fume colloidal silica: 6 parts; N550 carbon black: 0.6 part; Tissuemat E: 1.5 parts; Alkylated diphenylamine: 0.2 part; Firebrake ZB: 2 parts.
4. 5000 to 15000 volts of jumper cables for naval vessel according to claim 2 petrochemical industry, is characterized in that, raw material components and the weight content of described high thermal resistivity chemical crosslinking polyolefin oversheath are as follows, LEVAPREN 500HV rubber: 10 parts; Ethylene propylene diene rubber 4045M:10 part; Dual-tert-butyl peroxy isopropyl base benzene: 0.8 part; Triallyl cyanurate: 0.8 part; Vinyl three ('beta '-methoxy ethyoxyl) silane: 0.3 part; Stearic acid: 0.8 part; Aluminium hydroxide: 32 parts; Fume colloidal silica: 8 parts; N550 carbon black: 0.8 part; Tissuemat E: 2.0 parts; Alkylated diphenylamine: 0.3 part; Firebrake ZB: 4 parts.
5. 5000 to 15000 volts of jumper cables for naval vessel according to claim 2 petrochemical industry, is characterized in that, raw material components and the weight content of described high thermal resistivity chemical crosslinking polyolefin oversheath are as follows, LEVAPREN 500HV rubber: 10 parts; Ethylene propylene diene rubber 4045M:10 part; Dual-tert-butyl peroxy isopropyl base benzene: 1 part; Triallyl cyanurate: 0.4 part; Vinyl three ('beta '-methoxy ethyoxyl) silane: 0.5 part; Stearic acid: 1 part; Aluminium hydroxide: 35 parts; Fume colloidal silica: 10 parts; N550 carbon black: 1 part; Tissuemat E: 2.5 parts; Alkylated diphenylamine: 0.4 part; Firebrake ZB: 5 parts.
6. the manufacture method of 5000 to 15000 volts of jumper cables for a naval vessel petrochemical industry, it is characterized in that, comprise the following steps successively: at the periphery coating conductor screen of twisted copper conductors, then the periphery at conductor shield evenly extrudes ethylene propylene rubber insulated layer, and then the periphery at ethylene propylene rubber insulated layer extrudes high thermal resistivity chemical crosslinking polyolefin oversheath.
7. the manufacture method of 5000 to 15000 volts of jumper cables for naval vessel according to claim 6 petrochemical industry, it is characterized in that, the preparation method of described high thermal resistivity chemical crosslinking polyolefin oversheath is as follows: (1) prepares raw material, LEVAPREN 500HV rubber: 10 parts by following component and weight content; Ethylene propylene diene rubber 4045M:10 part; Dual-tert-butyl peroxy isopropyl base benzene: 0.6 ~ 1 part; Triallyl cyanurate: 0.2 ~ 0.4 part; Vinyl three ('beta '-methoxy ethyoxyl) silane: 0.2 ~ 0.5 part; Stearic acid: 0.5 ~ 1 part; Aluminium hydroxide: 30 ~ 35 parts; Fume colloidal silica: 6 ~ 10 parts; N550 carbon black: 0.6 ~ 1 part; Tissuemat E: 1.5 ~ 2.5 parts; Alkylated diphenylamine: 0.2 ~ 0.4 part; Firebrake ZB: 2 ~ 5 parts; (2) first vinyl three ('beta '-methoxy ethyoxyl) silane, stearic acid, aluminium hydroxide, fume colloidal silica, N550 carbon black, Tissuemat E, alkylated diphenylamine and Firebrake ZB are dropped into to banbury, under 20 ℃～30 ℃ mixing 9 ~ 10 minutes, then the banbury temperature is risen to 110 ℃ ~ 120 ℃, add LEVAPREN 500HV rubber and ethylene propylene diene rubber 4045M to continue mixing 15 ~ 18 minutes, then elastomeric compound is moved to mill and carry out compressing tablet, cooling 24 ~ 36 hours; Then the banbury temperature is controlled to 100 ~ 110 ℃; above-mentioned sizing material is dropped into to banbury; and add dual-tert-butyl peroxy isopropyl base benzene and triallyl cyanurate mixing 3 ~ 4 minutes; again elastomeric compound is moved to mill and play triangle bag or clot 7 ~ 8 times; then compressing tablet, cooling, on single screw pelletizer, granulation is standby.
8. the manufacture method of 5000 to 15000 volts of jumper cables for naval vessel according to claim 7 petrochemical industry, it is characterized in that, described high thermal resistivity chemical crosslinking polyolefin oversheath adopts cold feeding manner to extrude from double screw extruder, the draw ratio of screw rod is (15～20): 1, body temperature while extruding is 115 ± 5 ℃, head temperature is 120 ± 5 ℃, and the cooled screw mode of rubber extruding machine adopts water cooling, after extruding, under 160 ~ 180 ℃, carries out crosslinked.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105185449A (en) * | 2015-09-22 | 2015-12-23 | 晋源电气集团股份有限公司 | Oil resistant and high and low temperature resistant mine cable |
| CN109749321A (en) * | 2017-11-01 | 2019-05-14 | 江苏亨通电力电缆有限公司 | Oversea wind power generation low smoke, zero halogen soft rubber cable and its preparation process |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105185449A (en) * | 2015-09-22 | 2015-12-23 | 晋源电气集团股份有限公司 | Oil resistant and high and low temperature resistant mine cable |
| CN109749321A (en) * | 2017-11-01 | 2019-05-14 | 江苏亨通电力电缆有限公司 | Oversea wind power generation low smoke, zero halogen soft rubber cable and its preparation process |
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| Publication number | Publication date |
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| CN103474163B (en) | 2015-09-16 |
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