CN103509350A - High-temperature-resistant vapour-resistant sheath material for nuclear power station cables and preparation method thereof - Google Patents
High-temperature-resistant vapour-resistant sheath material for nuclear power station cables and preparation method thereof Download PDFInfo
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- CN103509350A CN103509350A CN201310390606.6A CN201310390606A CN103509350A CN 103509350 A CN103509350 A CN 103509350A CN 201310390606 A CN201310390606 A CN 201310390606A CN 103509350 A CN103509350 A CN 103509350A
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Abstract
The invention discloses a high-temperature-resistant vapour-resistant sheath material for nuclear power station cables and a preparation method thereof. The sheath material is prepared from the following raw materials in parts by weight: 50-70 parts of methyl vinyl phenyl polysiloxane rubber, 20-30 parts of ethylene-propylene-diene monomer, 15-25 parts of poly(thiophenylene), 10-15 parts of C5 petroleum resin, 20-30 parts of acetylene black, 1-2 parts of zinc oxide, 2-3 parts of stearic acid, 3-5 parts of triallyl isocyanurate, 15-20 parts of magnesium hydroxide, 10-15 parts of antimony trioxide, 5-10 parts of zinc stannate, 1-2 parts of zine stearate, 1-2 parts of barium stearate, 1.5-2.5 parts of gamma-methacryloxy propyl trimethoxyl silane, 10-15 parts of dimethyl phthalate and the like. The cable material of the invention has excellent performances comprising high temperature resistance, vapour resistance, radiation resistance, corrosion resistance, aging resistance and the like, good flame retardant efficiency, does not spread flame and is automatically extinguished after on fire, has low smoke, no halogens, no toxicities and no corrosive gases, and is capable of satisfying special environmental requirements of special nuclear power stations.
Description
Technical field
The present invention relates to high-temperature resistant water vapor sheath material and preparation method thereof for a kind of cables of nuclear power, belong to cable material technical field.
Background technology
Cables of nuclear power is that the condition of the important electrical component ，Qi of of Nuclear power plants field of employment is harsher.When Nuclear power plants generation high energy shape pipe breaking accident and loss of coolant accident, cable can be subject to the impact of high temperature and high pressure steam and the dual function of aggressive chemistry medicament, causes sheath material to lose efficacy, and affects the normal operation of Nuclear power plants.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, high-temperature resistant water vapor sheath material and preparation method thereof for a kind of cables of nuclear power is provided.
The technical solution used in the present invention is as follows:
High-temperature resistant water vapor sheath material for a kind of cables of nuclear power, raw material by following weight part is made: methyl ethylene phenyl siloxane rubber 50-70, terpolymer EP rubber 20-30, polyphenylene sulfide 15-25, C5 petroleum resin 10-15, Shawinigan black 20-30, zinc oxide 1-2, stearic acid 2-3, cyanacrylate 3-5, magnesium hydroxide 15-20, antimonous oxide 10-15, zinc 5-10, Zinic stearas 1-2, barium stearate 1-2, γ-methacryloxypropyl trimethoxy silane 1.5-2.5, dimethyl phthalate 10-15, Diethylene Glycol Dibenzoate 8-12, dibenzothiazyl disulfide 2-3, trisnonylphenyl phosphite 1-2, dicumyl peroxide 2-4, nano-silicon limestone flour 8-12, compounded mix 4-7,
Described compounded mix preparation method is as follows: a. takes off the raw material of row weight part: attapulgite 5-10, sepiolite 4-8, potassium felspar sand 3-6, Di(dioctylpyrophosphato) ethylene titanate 1-2, titanium dioxide 3-5, nano silicon 4-6, nano aluminium oxide 2-4, paraffin oil 4-8, polyisobutene 3-5, ferrocene 2-3, zinc methacrylate 1-2, to tert-octyl phenol formaldehyde resin 5-10; B, will attapulgite, sepiolite, potassium felspar sand calcine 2-4 hour after mixing at 530-550 ℃, be cooled to after room temperature, putting into concentration is that 10-15% hydrochloric acid soln boils 20-30 minute, take out washing to neutral, dry, after pulverizing 300-400 mesh sieve, mixed with Di(dioctylpyrophosphato) ethylene titanate, titanium dioxide, nano silicon, nano aluminium oxide, paraffin oil, 4000-6000rpm speed lapping 10-15 minute, c, by the compound after grinding and all the other raw material stirring evenly.
The preparation method of high-temperature resistant water vapor sheath material for cables of nuclear power, comprises the following steps:
(1) by methyl ethylene phenyl siloxane rubber, terpolymer EP rubber, Shawinigan black, dicumyl peroxide, magnesium hydroxide, cyanacrylate, antimonous oxide, dimethyl phthalate, stearic acid, zinc oxide is put into high-speed mixer high-speed stirring at 60-70 ℃, stirring velocity is 1500-2000r/min, when temperature rises to 85-95 ℃, add polyphenylene sulfide, C5 petroleum resin, zinc, Zinic stearas, barium stearate, γ-methacryloxypropyl trimethoxy silane, Diethylene Glycol Dibenzoate, nano-silicon limestone flour, compounded mix, stir 4-8min, add again all the other raw materials, stir 3-5min, then proceed in low speed mixer, stir cooling, stirring velocity is 100-150r/min, while being down to 45-55 ℃, get final product discharging,
(2) the above-mentioned material mixing is added in twin screw extruder, under 175-195 ℃ of temperature condition, melt blending is extruded, and through plastic grain cutting machine, is cut into pellet.
Beneficial effect of the present invention:
CABLE MATERIALS of the present invention has excellent high temperature resistant, water-fast steam, radiation hardness, the performance such as corrosion-resistant, ageing-resistant, and good flame retardation effect, does not prolong combustion self-gravitation, low smoke and zero halogen, nontoxic, corrosion-free gas after catching fire; Can meet special Nuclear power plants particular surroundings requirement.
Embodiment
High-temperature resistant water vapor sheath material for a kind of cables of nuclear power, raw material by following weight (kg) is made: methyl ethylene phenyl siloxane rubber 65, terpolymer EP rubber 25, polyphenylene sulfide 15, C5 petroleum resin 12, Shawinigan black 25, zinc oxide 2, stearic acid 2, cyanacrylate 4, magnesium hydroxide 20, antimonous oxide 10, zinc 8, Zinic stearas 2, barium stearate 1, γ-methacryloxypropyl trimethoxy silane 2, dimethyl phthalate 10, Diethylene Glycol Dibenzoate 10, dibenzothiazyl disulfide 2, trisnonylphenyl phosphite 1.5, dicumyl peroxide 3, nano-silicon limestone flour 10, compounded mix 5,
Described compounded mix preparation method is as follows: a. takes off the raw material of column weight amount (kg): attapulgite 7, sepiolite 6, potassium felspar sand 4, Di(dioctylpyrophosphato) ethylene titanate 1, titanium dioxide 4, nano silicon 5, nano aluminium oxide 3, paraffin oil 5, polyisobutene 4, ferrocene 2, zinc methacrylate 1.5, to tert-octyl phenol formaldehyde resin 6; B, will attapulgite, sepiolite, potassium felspar sand calcine 4 hours after mixing at 530 ℃, be cooled to after room temperature, putting into concentration is that 15% hydrochloric acid soln boils 20 minutes, take out washing to neutral, dry, after pulverizing 300 mesh sieves, mixed 4000rpm speed lapping 15 minutes, c, by the compound after grinding and all the other raw material stirring evenly with Di(dioctylpyrophosphato) ethylene titanate, titanium dioxide, nano silicon, nano aluminium oxide, paraffin oil.
The preparation method of high-temperature resistant water vapor sheath material for cables of nuclear power, comprises the following steps:
(1) by methyl ethylene phenyl siloxane rubber, terpolymer EP rubber, Shawinigan black, dicumyl peroxide, magnesium hydroxide, cyanacrylate, antimonous oxide, dimethyl phthalate, stearic acid, zinc oxide is put into high-speed mixer high-speed stirring at 70 ℃, stirring velocity is 1500r/min, when temperature rises to 95 ℃, add polyphenylene sulfide, C5 petroleum resin, zinc, Zinic stearas, barium stearate, γ-methacryloxypropyl trimethoxy silane, Diethylene Glycol Dibenzoate, nano-silicon limestone flour, compounded mix, stir 6min, add again all the other raw materials, stir 4min, then proceed in low speed mixer, stir cooling, stirring velocity is 150r/min, while being down to 50 ℃, get final product discharging,
(2) the above-mentioned material mixing is added in twin screw extruder, under 175-195 ℃ of temperature condition, melt blending is extruded, and through plastic grain cutting machine, is cut into pellet.
The performance test results of the CABLE MATERIALS making is as follows:
Claims (2)
1. high-temperature resistant water vapor sheath material for a cables of nuclear power, it is characterized in that, raw material by following weight part is made: methyl ethylene phenyl siloxane rubber 50-70, terpolymer EP rubber 20-30, polyphenylene sulfide 15-25, C5 petroleum resin 10-15, Shawinigan black 20-30, zinc oxide 1-2, stearic acid 2-3, cyanacrylate 3-5, magnesium hydroxide 15-20, antimonous oxide 10-15, zinc 5-10, Zinic stearas 1-2, barium stearate 1-2, γ-methacryloxypropyl trimethoxy silane 1.5-2.5, dimethyl phthalate 10-15, Diethylene Glycol Dibenzoate 8-12, dibenzothiazyl disulfide 2-3, trisnonylphenyl phosphite 1-2, dicumyl peroxide 2-4, nano-silicon limestone flour 8-12, compounded mix 4-7,
Described compounded mix preparation method is as follows: a. takes off the raw material of row weight part: attapulgite 5-10, sepiolite 4-8, potassium felspar sand 3-6, Di(dioctylpyrophosphato) ethylene titanate 1-2, titanium dioxide 3-5, nano silicon 4-6, nano aluminium oxide 2-4, paraffin oil 4-8, polyisobutene 3-5, ferrocene 2-3, zinc methacrylate 1-2, to tert-octyl phenol formaldehyde resin 5-10; B, will attapulgite, sepiolite, potassium felspar sand calcine 2-4 hour after mixing at 530-550 ℃, be cooled to after room temperature, putting into concentration is that 10-15% hydrochloric acid soln boils 20-30 minute, take out washing to neutral, dry, after pulverizing 300-400 mesh sieve, mixed with Di(dioctylpyrophosphato) ethylene titanate, titanium dioxide, nano silicon, nano aluminium oxide, paraffin oil, 4000-6000rpm speed lapping 10-15 minute, c, by the compound after grinding and all the other raw material stirring evenly.
2. the preparation method of high-temperature resistant water vapor sheath material for cables of nuclear power according to claim 1, is characterized in that comprising the following steps:
(1) by methyl ethylene phenyl siloxane rubber, terpolymer EP rubber, Shawinigan black, dicumyl peroxide, magnesium hydroxide, cyanacrylate, antimonous oxide, dimethyl phthalate, stearic acid, zinc oxide is put into high-speed mixer high-speed stirring at 60-70 ℃, stirring velocity is 1500-2000r/min, when temperature rises to 85-95 ℃, add polyphenylene sulfide, C5 petroleum resin, zinc, Zinic stearas, barium stearate, γ-methacryloxypropyl trimethoxy silane, Diethylene Glycol Dibenzoate, nano-silicon limestone flour, compounded mix, stir 4-8min, add again all the other raw materials, stir 3-5min, then proceed in low speed mixer, stir cooling, stirring velocity is 100-150r/min, while being down to 45-55 ℃, get final product discharging,
(2) the above-mentioned material mixing is added in twin screw extruder, under 175-195 ℃ of temperature condition, melt blending is extruded, and through plastic grain cutting machine, is cut into pellet.
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| CN103881397A (en) * | 2014-02-14 | 2014-06-25 | 安徽旺达铜业发展有限公司 | High-temperature-resistance oil-resistance cable material for oil-submerged pump and preparation method thereof |
| CN103971831A (en) * | 2014-04-24 | 2014-08-06 | 安徽徽宁电器仪表集团有限公司 | Torsion resistant cable |
| CN103971807A (en) * | 2014-04-24 | 2014-08-06 | 安徽徽宁电器仪表集团有限公司 | Rubber flexible cable |
| CN103971823A (en) * | 2014-04-24 | 2014-08-06 | 安徽徽宁电器仪表集团有限公司 | Pressure-resistant cable |
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| CN103971826A (en) * | 2014-04-24 | 2014-08-06 | 安徽徽宁电器仪表集团有限公司 | Torsion-resistant cable |
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| CN106280475A (en) * | 2016-08-30 | 2017-01-04 | 安徽蓝德集团股份有限公司 | A kind of Graphene modified silicon rubber cable sheath material |
| CN107227025A (en) * | 2017-06-30 | 2017-10-03 | 上海至正道化高分子材料股份有限公司 | A kind of special high temperature resistant radiation hardness Insulation Material of nuclear power station and preparation method thereof |
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| CN103971807A (en) * | 2014-04-24 | 2014-08-06 | 安徽徽宁电器仪表集团有限公司 | Rubber flexible cable |
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| CN104788964A (en) * | 2014-05-30 | 2015-07-22 | 安徽天彩电缆集团有限公司 | Preparation process for silicone rubber cable sheath used for ship |
| CN105111656A (en) * | 2015-09-30 | 2015-12-02 | 淄博夸克医药技术有限公司 | Modified natural rubber composite material for cable insulation layer |
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| CN107227025A (en) * | 2017-06-30 | 2017-10-03 | 上海至正道化高分子材料股份有限公司 | A kind of special high temperature resistant radiation hardness Insulation Material of nuclear power station and preparation method thereof |
| CN107722626A (en) * | 2017-09-15 | 2018-02-23 | 安徽伙伴电气有限公司 | A kind of nuclear power station signal cable rubber sleeve material preparation method |
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