CN105670136A - Salt corrosion resisting cable insulation rubber for oceanic tidal power generation and preparation method thereof - Google Patents
Salt corrosion resisting cable insulation rubber for oceanic tidal power generation and preparation method thereof Download PDFInfo
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- CN105670136A CN105670136A CN201610242974.XA CN201610242974A CN105670136A CN 105670136 A CN105670136 A CN 105670136A CN 201610242974 A CN201610242974 A CN 201610242974A CN 105670136 A CN105670136 A CN 105670136A
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- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/28—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
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- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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- C—CHEMISTRY; METALLURGY
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Abstract
The invention discloses salt corrosion resisting cable insulation rubber for oceanic tidal power generation and a preparation method thereof. The cable insulation rubber is prepared from, by weight, 50-60 parts of ethylene-propylene-diene monomer rubber, 10-20 parts of butadiene rubber, 5-15 parts of polysulfide rubber, 4-6 parts of alkylphenol polyoxyethylene, 6-10 parts of pentaerythritol tetralaurate, 2-4 parts of methylbenzotriazole, 1-3 parts of sodium hexametaphosphate, 1-3 parts of polydimethylsiloxane, 2-4 parts of triallyl isocyanurate, 0.8-1.2 parts of 2-mercapto benzimidazole and 3-5 parts of ethylparaben and propylparaben, wherein the weight ratio of ethylparaben to propylparaben is (2-4):1. The cable insulation rubber has the excellent salt corrosion resistance which is possibly related to the weight ratio of ethylparaben to propylparaben in the raw materials, and when the weight ratio of ethylparaben to propylparaben is (2-4):1, a prepared cable has the optimal salt corrosion resistance and is particularly suitable for being applied to an oceanic tidal power plant.
Description
Technical field
The present invention relates to oceanic tide cable, be specifically related to a kind of oceanic tide wind-powered electricity generation Salt corrosion cable insulation rubber and manufacture method thereof.
Background technology
Fairly large in the world utilize tide energy to carry out generating to start from the 1950's. China is in the 60 to 70's of last century, and tidal power station has been built up in coastal many places, such as Shunde, Rushan, Shandong Province, Shanghai Chongming, plant resources in Wenling etc. The ultimate principle in tide power plant, it is simply that utilize the energy of tidal wave, becomes mechanical energy by the hydraulic turbine, then is become electric energy by hydraulic turbine drive electrical generators.
Utilize tidal power generation, can be generally divided into two kinds: a kind of kinetic energy power generation being to utilize tidal wave, namely utilize the flow velocity of fluctuation tidewater directly to go impulse water turbine to generate electricity. Another kind is that the potential energy utilizing tidal wave generates electricity, and namely builds in river mouth or bay and blocks tide dam, utilizes the inside and outside water-head during fluctuation tide in dam to generate electricity. Utilizing kinetic energy power generation, simple in construction, cost is relatively low, but owing to tidal current speed has cyclically-varying, therefore generating dutation is unstable, generated energy is also less, does not therefore generally adopt. And utilize potential energy generating to need to build more waterwork, therefore cost is higher, but generated energy is bigger.
Maximum tall building, river, the tide energy power station tide experiment power station of current China is positioned at the Leqing Bay Jiang Shagang in southwest, Wenling, Zhejiang province city, from 16 kilometers of urban district, Power Plant Design is provided with 6 two-way bulb-type hydraulic generating set, total installation of generating capacity is 3900 kilowatts, is the Experimental Base of China's exploitation tide energy. Its scale is Asia first, third place in the world, is only second to France's Lanace tidal power station and Canada's this tidal power station of Anna's Pohle. Power station was approved the construction of through State Planning Commission in 1972, was listed in country's key research items then. On May 4th, 1985, No. 1 unit puts into serial production generating. In December, 1985,1-5 unit completes whole construction, total installation of generating capacity 3200 kilowatts, annual electricity generating capacity 6000000 kilowatt hour. At the beginning of 2006, power station 6 unit is listed in national " 863 " research in new high-tech development projects by the Department of Science and Technology.2007, No. 6 units completed installation and put into operation, and installed capacity is 700 kilowatts. 2010, annual electricity generating capacity reached 7,320,000 kilowatt hours.
In tide power plant, cable is essential, but land wind-powered electricity generation cable performance does not consider the special environment of ocean wind-powered electricity generation, does not especially possess and stands the many salt in ocean, acid, caustic corrosion, greasy dirt corrosion and sea water resistance wetness impregnation performance for a long time. It is easy to break down when Caulis Piperis Kadsurae generating is reversed, reduction of service life, causes engineering cost to increase and even shelve.
Summary of the invention
The first object of the present invention is in that to provide a kind of Salt corrosion cable insulation rubber, for preparing the cable suitable in tidal power generation;
The second object of the present invention is in that the preparation method providing above-mentioned Salt corrosion cable insulation rubber.
The above-mentioned purpose of the present invention is achieved by the techniques below scheme:
A kind of oceanic tide wind-powered electricity generation Salt corrosion cable insulation rubber, is prepared from by the raw material of following weight portion: ethylene propylene diene rubber, 50～60 parts; Butadiene rubber, 10～20 parts; Thiorubber., 5～15 parts; Alkylphenol polyoxyethylene, 4～6 parts; Tetramethylolmethane four laurate, 6～10 parts; Methyl benzotriazazole, 2～4 parts; Sodium hexameta phosphate, 1～3 part; Polydimethylsiloxane, 1～3 part; Triallyl isocyanurate, 2～4 parts; 2-mercaptobenzimidazole, 0.8～1.2 part; Ethyl hydroxybenzoate and propylparaben totally 3～5 parts, ethyl hydroxybenzoate and propylparaben weight ratio are 2～4:1.
Further, described oceanic tide wind-powered electricity generation Salt corrosion cable insulation rubber is prepared from by the raw material of following weight portion: ethylene propylene diene rubber, 55 parts; Butadiene rubber, 15 parts; Thiorubber., 10 parts; Alkylphenol polyoxyethylene, 5 parts; Tetramethylolmethane four laurate, 8 parts; Methyl benzotriazazole, 3 parts; Sodium hexameta phosphate, 2 parts; Polydimethylsiloxane, 2 parts; Triallyl isocyanurate, 3 parts; 2-mercaptobenzimidazole, 1 part; Ethyl hydroxybenzoate and propylparaben totally 4 parts, ethyl hydroxybenzoate and propylparaben weight ratio are 3:1.
Further, described oceanic tide wind-powered electricity generation Salt corrosion cable insulation rubber is prepared from by the raw material of following weight portion: ethylene propylene diene rubber, 50 parts; Butadiene rubber, 10 parts; Thiorubber., 5 parts; Alkylphenol polyoxyethylene, 4 parts; Tetramethylolmethane four laurate, 6 parts; Methyl benzotriazazole, 2 parts; Sodium hexameta phosphate, 1 part; Polydimethylsiloxane, 1 part; Triallyl isocyanurate, 2 parts; 2-mercaptobenzimidazole, 0.8 part; Ethyl hydroxybenzoate and propylparaben totally 3 parts, ethyl hydroxybenzoate and propylparaben weight ratio are 2:1.
Further, described oceanic tide wind-powered electricity generation Salt corrosion cable insulation rubber is prepared from by the raw material of following weight portion: ethylene propylene diene rubber, 60 parts; Butadiene rubber, 20 parts; Thiorubber., 15 parts; Alkylphenol polyoxyethylene, 6 parts; Tetramethylolmethane four laurate, 10 parts; Methyl benzotriazazole, 4 parts; Sodium hexameta phosphate, 3 parts; Polydimethylsiloxane, 3 parts; Triallyl isocyanurate, 4 parts; 2-mercaptobenzimidazole, 1.2 parts; Ethyl hydroxybenzoate and propylparaben totally 5 parts, ethyl hydroxybenzoate and propylparaben weight ratio are 4:1.
The preparation method of above-mentioned Salt corrosion cable insulation rubber, including following operating procedure:
Step S1, obtains major ingredient by ethylene propylene diene rubber, butadiene rubber, thiorubber. mix homogeneously, is placed in single screw extrusion machine by major ingredient blended, and pelletize obtains base resin;
Step S2, opens banbury and is preheated to 50～55 DEG C, is subsequently adding step S1 gained base resin and carries out banburying, and the banburying time is 4～6min, obtains compound 1;
Step S3, alkylphenol polyoxyethylene, tetramethylolmethane four laurate, methyl benzotriazazole, sodium hexameta phosphate, polydimethylsiloxane, Triallyl isocyanurate, 2-mercaptobenzimidazole is added in the compound 1 of preparation, 1000 turns/min stirs 5～8 minutes, mix homogeneously, obtains compound 2;
Step S4, step S3 gained compound 2 is heated to 110～120 DEG C, adds ethyl hydroxybenzoate and the mixing 2～4min of propylparaben, be squeezed into molten condition subsequently into double screw extruder, it is expressed in injection machine after batch mixing is completely melted, 290～300 DEG C of injection mo(u)ldings and get final product.
Advantages of the present invention:
1, electro-insulating rubber Salt corrosion excellent performance provided by the invention, is suitable for preparation tidal power generation cable;
2, preparation method simple possible provided by the invention, equipment requirements is low, can large-scale promotion.
Detailed description of the invention
Further illustrate the essentiality content of the present invention below in conjunction with embodiment, but do not limit scope with this. Although the present invention being explained in detail with reference to preferred embodiment, it will be understood by those within the art that, it is possible to technical scheme is modified or equivalent replacement, without deviating from the spirit and scope of technical solution of the present invention.
Embodiment 1: the preparation of Salt corrosion cable insulation rubber
Parts by weight of raw materials compares:
Ethylene propylene diene rubber, 55 parts; Butadiene rubber, 15 parts; Thiorubber., 10 parts; Alkylphenol polyoxyethylene, 5 parts; Tetramethylolmethane four laurate, 8 parts; Methyl benzotriazazole, 3 parts; Sodium hexameta phosphate, 2 parts; Polydimethylsiloxane, 2 parts; Triallyl isocyanurate, 3 parts; 2-mercaptobenzimidazole, 1 part; Ethyl hydroxybenzoate and propylparaben totally 4 parts, ethyl hydroxybenzoate and propylparaben weight ratio are 3:1.
Preparation method:
Step S1, obtains major ingredient by ethylene propylene diene rubber, butadiene rubber, thiorubber. mix homogeneously, is placed in single screw extrusion machine by major ingredient blended, and pelletize obtains base resin;
Step S2, opens banbury and is preheated to 50～55 DEG C, is subsequently adding step S1 gained base resin and carries out banburying, and the banburying time is 4～6min, obtains compound 1;
Step S3, alkylphenol polyoxyethylene, tetramethylolmethane four laurate, methyl benzotriazazole, sodium hexameta phosphate, polydimethylsiloxane, Triallyl isocyanurate, 2-mercaptobenzimidazole is added in the compound 1 of preparation, 1000 turns/min stirs 5～8 minutes, mix homogeneously, obtains compound 2;
Step S4, step S3 gained compound 2 is heated to 110～120 DEG C, adds ethyl hydroxybenzoate and the mixing 2～4min of propylparaben, be squeezed into molten condition subsequently into double screw extruder, it is expressed in injection machine after batch mixing is completely melted, 290～300 DEG C of injection mo(u)ldings and get final product.
Embodiment 2: the preparation of Salt corrosion cable insulation rubber
Parts by weight of raw materials compares:
Ethylene propylene diene rubber, 50 parts; Butadiene rubber, 10 parts; Thiorubber., 5 parts; Alkylphenol polyoxyethylene, 4 parts; Tetramethylolmethane four laurate, 6 parts; Methyl benzotriazazole, 2 parts; Sodium hexameta phosphate, 1 part; Polydimethylsiloxane, 1 part; Triallyl isocyanurate, 2 parts;2-mercaptobenzimidazole, 0.8 part; Ethyl hydroxybenzoate and propylparaben totally 3 parts, ethyl hydroxybenzoate and propylparaben weight ratio are 2:1.
Preparation method:
Step S1, obtains major ingredient by ethylene propylene diene rubber, butadiene rubber, thiorubber. mix homogeneously, is placed in single screw extrusion machine by major ingredient blended, and pelletize obtains base resin;
Step S2, opens banbury and is preheated to 50～55 DEG C, is subsequently adding step S1 gained base resin and carries out banburying, and the banburying time is 4～6min, obtains compound 1;
Step S3, alkylphenol polyoxyethylene, tetramethylolmethane four laurate, methyl benzotriazazole, sodium hexameta phosphate, polydimethylsiloxane, Triallyl isocyanurate, 2-mercaptobenzimidazole is added in the compound 1 of preparation, 1000 turns/min stirs 5～8 minutes, mix homogeneously, obtains compound 2;
Step S4, step S3 gained compound 2 is heated to 110～120 DEG C, adds ethyl hydroxybenzoate and the mixing 2～4min of propylparaben, be squeezed into molten condition subsequently into double screw extruder, it is expressed in injection machine after batch mixing is completely melted, 290～300 DEG C of injection mo(u)ldings and get final product.
Embodiment 3: the preparation of Salt corrosion cable insulation rubber
Parts by weight of raw materials compares:
Ethylene propylene diene rubber, 60 parts; Butadiene rubber, 20 parts; Thiorubber., 15 parts; Alkylphenol polyoxyethylene, 6 parts; Tetramethylolmethane four laurate, 10 parts; Methyl benzotriazazole, 4 parts; Sodium hexameta phosphate, 3 parts; Polydimethylsiloxane, 3 parts; Triallyl isocyanurate, 4 parts; 2-mercaptobenzimidazole, 1.2 parts; Ethyl hydroxybenzoate and propylparaben totally 5 parts, ethyl hydroxybenzoate and propylparaben weight ratio are 4:1.
Preparation method:
Step S1, obtains major ingredient by ethylene propylene diene rubber, butadiene rubber, thiorubber. mix homogeneously, is placed in single screw extrusion machine by major ingredient blended, and pelletize obtains base resin;
Step S2, opens banbury and is preheated to 50～55 DEG C, is subsequently adding step S1 gained base resin and carries out banburying, and the banburying time is 4～6min, obtains compound 1;
Step S3, alkylphenol polyoxyethylene, tetramethylolmethane four laurate, methyl benzotriazazole, sodium hexameta phosphate, polydimethylsiloxane, Triallyl isocyanurate, 2-mercaptobenzimidazole is added in the compound 1 of preparation, 1000 turns/min stirs 5～8 minutes, mix homogeneously, obtains compound 2;
Step S4, step S3 gained compound 2 is heated to 110～120 DEG C, adds ethyl hydroxybenzoate and the mixing 2～4min of propylparaben, be squeezed into molten condition subsequently into double screw extruder, it is expressed in injection machine after batch mixing is completely melted, 290～300 DEG C of injection mo(u)ldings and get final product.
Embodiment 4: the preparation of Salt corrosion cable insulation rubber
Parts by weight of raw materials compares:
Ethylene propylene diene rubber, 55 parts; Butadiene rubber, 15 parts; Thiorubber., 10 parts; Alkylphenol polyoxyethylene, 5 parts; Tetramethylolmethane four laurate, 8 parts; Methyl benzotriazazole, 3 parts; Sodium hexameta phosphate, 2 parts; Polydimethylsiloxane, 2 parts; Triallyl isocyanurate, 3 parts; 2-mercaptobenzimidazole, 1 part; Ethyl hydroxybenzoate and propylparaben totally 4 parts, ethyl hydroxybenzoate and propylparaben weight ratio are 2:1.
Preparation method:
Step S1, obtains major ingredient by ethylene propylene diene rubber, butadiene rubber, thiorubber. mix homogeneously, is placed in single screw extrusion machine by major ingredient blended, and pelletize obtains base resin;
Step S2, opens banbury and is preheated to 50～55 DEG C, is subsequently adding step S1 gained base resin and carries out banburying, and the banburying time is 4～6min, obtains compound 1;
Step S3, alkylphenol polyoxyethylene, tetramethylolmethane four laurate, methyl benzotriazazole, sodium hexameta phosphate, polydimethylsiloxane, Triallyl isocyanurate, 2-mercaptobenzimidazole is added in the compound 1 of preparation, 1000 turns/min stirs 5～8 minutes, mix homogeneously, obtains compound 2;
Step S4, step S3 gained compound 2 is heated to 110～120 DEG C, adds ethyl hydroxybenzoate and the mixing 2～4min of propylparaben, be squeezed into molten condition subsequently into double screw extruder, it is expressed in injection machine after batch mixing is completely melted, 290～300 DEG C of injection mo(u)ldings and get final product.
Embodiment 5: the preparation of Salt corrosion cable insulation rubber
Parts by weight of raw materials compares:
Ethylene propylene diene rubber, 55 parts; Butadiene rubber, 15 parts; Thiorubber., 10 parts; Alkylphenol polyoxyethylene, 5 parts; Tetramethylolmethane four laurate, 8 parts; Methyl benzotriazazole, 3 parts; Sodium hexameta phosphate, 2 parts; Polydimethylsiloxane, 2 parts; Triallyl isocyanurate, 3 parts; 2-mercaptobenzimidazole, 1 part; Ethyl hydroxybenzoate and propylparaben totally 4 parts, ethyl hydroxybenzoate and propylparaben weight ratio are 4:1.
Preparation method:
Step S1, obtains major ingredient by ethylene propylene diene rubber, butadiene rubber, thiorubber. mix homogeneously, is placed in single screw extrusion machine by major ingredient blended, and pelletize obtains base resin;
Step S2, opens banbury and is preheated to 50～55 DEG C, is subsequently adding step S1 gained base resin and carries out banburying, and the banburying time is 4～6min, obtains compound 1;
Step S3, alkylphenol polyoxyethylene, tetramethylolmethane four laurate, methyl benzotriazazole, sodium hexameta phosphate, polydimethylsiloxane, Triallyl isocyanurate, 2-mercaptobenzimidazole is added in the compound 1 of preparation, 1000 turns/min stirs 5～8 minutes, mix homogeneously, obtains compound 2;
Step S4, step S3 gained compound 2 is heated to 110～120 DEG C, adds ethyl hydroxybenzoate and the mixing 2～4min of propylparaben, be squeezed into molten condition subsequently into double screw extruder, it is expressed in injection machine after batch mixing is completely melted, 290～300 DEG C of injection mo(u)ldings and get final product.
Embodiment 6: embodiment 1 contrasts, ethyl hydroxybenzoate and propylparaben weight ratio are 1:1
Parts by weight of raw materials compares:
Ethylene propylene diene rubber, 55 parts; Butadiene rubber, 15 parts; Thiorubber., 10 parts; Alkylphenol polyoxyethylene, 5 parts; Tetramethylolmethane four laurate, 8 parts; Methyl benzotriazazole, 3 parts; Sodium hexameta phosphate, 2 parts; Polydimethylsiloxane, 2 parts; Triallyl isocyanurate, 3 parts; 2-mercaptobenzimidazole, 1 part; Ethyl hydroxybenzoate and propylparaben totally 4 parts, ethyl hydroxybenzoate and propylparaben weight ratio are 1:1.
Preparation method:
Step S1, obtains major ingredient by ethylene propylene diene rubber, butadiene rubber, thiorubber. mix homogeneously, is placed in single screw extrusion machine by major ingredient blended, and pelletize obtains base resin;
Step S2, opens banbury and is preheated to 50～55 DEG C, is subsequently adding step S1 gained base resin and carries out banburying, and the banburying time is 4～6min, obtains compound 1;
Step S3, alkylphenol polyoxyethylene, tetramethylolmethane four laurate, methyl benzotriazazole, sodium hexameta phosphate, polydimethylsiloxane, Triallyl isocyanurate, 2-mercaptobenzimidazole is added in the compound 1 of preparation, 1000 turns/min stirs 5～8 minutes, mix homogeneously, obtains compound 2;
Step S4, step S3 gained compound 2 is heated to 110～120 DEG C, adds ethyl hydroxybenzoate and the mixing 2～4min of propylparaben, be squeezed into molten condition subsequently into double screw extruder, it is expressed in injection machine after batch mixing is completely melted, 290～300 DEG C of injection mo(u)ldings and get final product.
Embodiment 7: embodiment 1 contrasts, ethyl hydroxybenzoate and propylparaben weight ratio are 5:1
Parts by weight of raw materials compares:
Ethylene propylene diene rubber, 55 parts; Butadiene rubber, 15 parts; Thiorubber., 10 parts; Alkylphenol polyoxyethylene, 5 parts; Tetramethylolmethane four laurate, 8 parts; Methyl benzotriazazole, 3 parts; Sodium hexameta phosphate, 2 parts; Polydimethylsiloxane, 2 parts; Triallyl isocyanurate, 3 parts; 2-mercaptobenzimidazole, 1 part; Ethyl hydroxybenzoate and propylparaben totally 4 parts, ethyl hydroxybenzoate and propylparaben weight ratio are 5:1.
Preparation method:
Step S1, obtains major ingredient by ethylene propylene diene rubber, butadiene rubber, thiorubber. mix homogeneously, is placed in single screw extrusion machine by major ingredient blended, and pelletize obtains base resin;
Step S2, opens banbury and is preheated to 50～55 DEG C, is subsequently adding step S1 gained base resin and carries out banburying, and the banburying time is 4～6min, obtains compound 1;
Step S3, alkylphenol polyoxyethylene, tetramethylolmethane four laurate, methyl benzotriazazole, sodium hexameta phosphate, polydimethylsiloxane, Triallyl isocyanurate, 2-mercaptobenzimidazole is added in the compound 1 of preparation, 1000 turns/min stirs 5～8 minutes, mix homogeneously, obtains compound 2;
Step S4, step S3 gained compound 2 is heated to 110～120 DEG C, adds ethyl hydroxybenzoate and the mixing 2～4min of propylparaben, be squeezed into molten condition subsequently into double screw extruder, it is expressed in injection machine after batch mixing is completely melted, 290～300 DEG C of injection mo(u)ldings and get final product.
Embodiment 8: effect example, Salt corrosion performance test
The finished cable that electro-insulating rubber in embodiment 1～7 is made carries out sea water resistance salt air corrosion performance, sea water resistance moisture saturating machine and the test of resistance to twisting property.
Finished cable sea water resistance salt air corrosion performance requires: is placed in by the finished cable sample that three root lengths are 1.1m in the solution that saliferous (NaCl) mass concentration is 20% that temperature is 30 ± 1 DEG C and soaks 40 days. Adopting U-bend when cable soaks, sample two ends are respectively arranged with 30cm and surface; Immersion terminates rear cable can by the pressure test of AC7kV/5min; Cable is wrapped on the circular shaft that diameter is 9 times of sample of cable external diameters, it is desirable to insulating surface is without range estimation visible crack, and insulate in above process not from the peeling-off situation of cable.
Finished cable sea water resistance moisture saturating machine requires: is placed in by cable in the water that temperature is 75 DEG C and soaks the dielectric constant of insulation after 1 day is not more than 6, the ac capacitor gaining rate soaked between the 14th day end and the 1st day end is not more than 5, the ac capacitor gaining rate soaked between the 14th day end and the 7th day end is not more than 3, soaking the stability factor after 14 and be not more than 1, after soaking 84 days, insulation resistance constant requires to be not less than 3670M Ω Km.
The resistance to twisting property of finished cable requires: under-40 DEG C of low temperature, finished cable is according to reversing 360 ° clockwise, it is then returned to naturalness, another mistake hour hands reverse identical angle, then returning to naturalness subsequently is a cycle, regulation carries out the test in 11000 cycles, and reverse speed is 720 °～1080 °/min.Carry out the thermal cycling test of 8 hours electrified regulation and 16 hours natural coolings therebetween simultaneously, during energising, make conductor temperature stable in cable maximum operating temperature, carry out 14 thermal cycling tests altogether. Requiring after end that cable appearance does not chap, insulation resistance meets the requirement of IEC60092-351. Result is shown in following table:
Embodiment 2 has the character similar to the electro-insulating rubber of embodiment 4 and 5 preparation with the electro-insulating rubber of 3 preparations.
Process of the test is also tested for the traditional performance of the cable rubber such as the hot strength of electro-insulating rubber of the present invention, elongation at break, equal conformance with standard, is better than conventional commercial product.
Cable insulation rubber provided by the invention has the Salt corrosion performance of excellence, this is likely to relevant with ethyl hydroxybenzoate in raw material and propylparaben weight ratio, ethyl hydroxybenzoate and propylparaben weight ratio are 2～4:1, made cable Salt corrosion best performance, is particularly suitable for oceanic tide power plant.
The effect of above-described embodiment indicates that the essentiality content of the present invention, but does not limit protection scope of the present invention with this. It will be understood by those within the art that, it is possible to technical scheme is modified or equivalent replacement, without deviating from essence and the protection domain of technical solution of the present invention.
Claims (5)
1. an oceanic tide wind-powered electricity generation Salt corrosion cable insulation rubber, it is characterised in that be prepared from by the raw material of following weight portion: ethylene propylene diene rubber, 50～60 parts; Butadiene rubber, 10～20 parts; Thiorubber., 5～15 parts; Alkylphenol polyoxyethylene, 4～6 parts; Tetramethylolmethane four laurate, 6～10 parts; Methyl benzotriazazole, 2～4 parts; Sodium hexameta phosphate, 1～3 part; Polydimethylsiloxane, 1～3 part; Triallyl isocyanurate, 2～4 parts; 2-mercaptobenzimidazole, 0.8～1.2 part; Ethyl hydroxybenzoate and propylparaben totally 3～5 parts, ethyl hydroxybenzoate and propylparaben weight ratio are 2～4:1.
2. oceanic tide wind-powered electricity generation Salt corrosion cable insulation rubber according to claim 1, it is characterised in that be prepared from by the raw material of following weight portion: ethylene propylene diene rubber, 55 parts; Butadiene rubber, 15 parts; Thiorubber., 10 parts; Alkylphenol polyoxyethylene, 5 parts; Tetramethylolmethane four laurate, 8 parts; Methyl benzotriazazole, 3 parts; Sodium hexameta phosphate, 2 parts; Polydimethylsiloxane, 2 parts; Triallyl isocyanurate, 3 parts; 2-mercaptobenzimidazole, 1 part; Ethyl hydroxybenzoate and propylparaben totally 4 parts, ethyl hydroxybenzoate and propylparaben weight ratio are 3:1.
3. oceanic tide wind-powered electricity generation Salt corrosion cable insulation rubber according to claim 1, it is characterised in that be prepared from by the raw material of following weight portion: ethylene propylene diene rubber, 50 parts; Butadiene rubber, 10 parts; Thiorubber., 5 parts; Alkylphenol polyoxyethylene, 4 parts; Tetramethylolmethane four laurate, 6 parts; Methyl benzotriazazole, 2 parts; Sodium hexameta phosphate, 1 part; Polydimethylsiloxane, 1 part; Triallyl isocyanurate, 2 parts; 2-mercaptobenzimidazole, 0.8 part; Ethyl hydroxybenzoate and propylparaben totally 3 parts, ethyl hydroxybenzoate and propylparaben weight ratio are 2:1.
4. oceanic tide wind-powered electricity generation Salt corrosion cable insulation rubber according to claim 1, it is characterised in that be prepared from by the raw material of following weight portion: ethylene propylene diene rubber, 60 parts;Butadiene rubber, 20 parts; Thiorubber., 15 parts; Alkylphenol polyoxyethylene, 6 parts; Tetramethylolmethane four laurate, 10 parts; Methyl benzotriazazole, 4 parts; Sodium hexameta phosphate, 3 parts; Polydimethylsiloxane, 3 parts; Triallyl isocyanurate, 4 parts; 2-mercaptobenzimidazole, 1.2 parts; Ethyl hydroxybenzoate and propylparaben totally 5 parts, ethyl hydroxybenzoate and propylparaben weight ratio are 4:1.
5. the preparation method of the arbitrary described Salt corrosion cable insulation rubber of Claims 1 to 4, it is characterised in that including:
Step S1, obtains major ingredient by ethylene propylene diene rubber, butadiene rubber, thiorubber. mix homogeneously, is placed in single screw extrusion machine by major ingredient blended, and pelletize obtains base resin;
Step S2, opens banbury and is preheated to 50～55 DEG C, is subsequently adding step S1 gained base resin and carries out banburying, and the banburying time is 4～6min, obtains compound 1;
Step S3, alkylphenol polyoxyethylene, tetramethylolmethane four laurate, methyl benzotriazazole, sodium hexameta phosphate, polydimethylsiloxane, Triallyl isocyanurate, 2-mercaptobenzimidazole is added in the compound 1 of preparation, 1000 turns/min stirs 5～8 minutes, mix homogeneously, obtains compound 2;
Step S4, step S3 gained compound 2 is heated to 110～120 DEG C, adds ethyl hydroxybenzoate and the mixing 2～4min of propylparaben, be squeezed into molten condition subsequently into double screw extruder, it is expressed in injection machine after batch mixing is completely melted, 290～300 DEG C of injection mo(u)ldings and get final product.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106084500A (en) * | 2016-07-26 | 2016-11-09 | 东莞市晶谷新材料技术有限公司 | A kind of corrosion proof cable rubber composite and preparation method thereof |
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| KR20040039838A (en) * | 2002-11-05 | 2004-05-12 | 동남기업 주식회사 | Method of producing subaqueous non-separated blending material simultaneously having anti-corrosive function |
| CN102969042A (en) * | 2012-11-16 | 2013-03-13 | 江苏远洋东泽电缆股份有限公司 | Whitening ultraviolet-proof non-shield instrument cable for ships and manufacturing method thereof |
| CN103227000A (en) * | 2013-03-26 | 2013-07-31 | 江苏远洋东泽电缆股份有限公司 | Salt corrosion resistant and twisting resistant control cable for ocean wind power and manufacturing method of control cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20040039838A (en) * | 2002-11-05 | 2004-05-12 | 동남기업 주식회사 | Method of producing subaqueous non-separated blending material simultaneously having anti-corrosive function |
| CN102969042A (en) * | 2012-11-16 | 2013-03-13 | 江苏远洋东泽电缆股份有限公司 | Whitening ultraviolet-proof non-shield instrument cable for ships and manufacturing method thereof |
| CN103227000A (en) * | 2013-03-26 | 2013-07-31 | 江苏远洋东泽电缆股份有限公司 | Salt corrosion resistant and twisting resistant control cable for ocean wind power and manufacturing method of control cable |
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| CN106084500A (en) * | 2016-07-26 | 2016-11-09 | 东莞市晶谷新材料技术有限公司 | A kind of corrosion proof cable rubber composite and preparation method thereof |
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