CN101735520B - Cable insulation material and manufacturing method thereof - Google Patents
Cable insulation material and manufacturing method thereof Download PDFInfo
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- CN101735520B CN101735520B CN2009102142665A CN200910214266A CN101735520B CN 101735520 B CN101735520 B CN 101735520B CN 2009102142665 A CN2009102142665 A CN 2009102142665A CN 200910214266 A CN200910214266 A CN 200910214266A CN 101735520 B CN101735520 B CN 101735520B
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Abstract
The invention relates to a cable insulation material which is characterized by being prepared from the following components in parts by weight: 100 parts of ethylene propylene diene rubber, 100-140 parts of filler, 3-5 parts of rubber softening oil, 3-6 parts of crosslinking additive, 3-6 parts of peroxide crosslinking agent, 4-8 parts of stabilizer, 4-8 parts of active agent, 3-5 parts of lubricant, 3-5 parts of coupler, and 1-3 parts of antioxidant. The invention has the advantages of low toxicity, good environment-protection property and strong safety.
Description
Technical field
The present invention relates to a kind of cable insulation material and method of manufacture thereof, is a kind of environment-friendly cable insulating material and method of manufacture thereof specifically.
Background technology
Along with the progressively reinforcement of environmental consciousness, people are also increasingly high to the requirement of electrical accessorie (like trunking etc.) environmental-protecting performance.Environmental-protecting performance is primarily aimed at the content of hazardous and noxious substances in the product, and above-mentioned objectionable impurities comprises lead, mercury, cadmium, sexavalent chrome, PBBs and PBDE.Present rubber wire sheath generally is to adopt tree elastomer, chlorinatedpolyethylene material and terpolymer EP rubber to produce.Receive the Effect on Performance of elastomeric material own, need add stablizer and fire retardant in process of production, stablizer is main with lead stearate, plumbiferous disalt and three salt usually, and flame retardant is main with common Antimony Trioxide: 99.5Min then.Though aforementioned stable agent and fire retardant can improve the stability and the flame retardant resistance of elastomeric material, all contain a large amount of toxic substances in these auxiliary agents, toxic substance can be separated out in electric wire use or combustion processes, serious environment pollution and infringement HUMAN HEALTH.So present rubber wire sheath still awaits further improvement.
Summary of the invention
Goal of the invention of the present invention is to overcome the deficiency of prior art, provides that a kind of toxicity is low, the cable insulation material of good environmental protection and high safety.
Another goal of the invention of the present invention provides a kind of method for preparing above-mentioned cable insulation material.
Goal of the invention of the present invention is achieved in that a kind of cable insulation material; It is characterized in that: said cable insulation material comprises terpolymer EP rubber, weighting agent, rubber softening oil, crosslinking coagent, peroxide cross-linking agent, stablizer, promoting agent, lubricant, coupling agent, anti-aging agent, and each components contents is calculated by weight and is respectively 100 parts of terpolymer EP rubbers, weighting agent 100-140 part, rubber softening oil 3-5 part, crosslinking coagent 3-6 part, peroxide cross-linking agent 3-6 part, stablizer 4-8 part, promoting agent 4-8 part, lubricant 3-5 part, coupling agent 3-5 part, anti-aging agent 1-3 part.
Said weighting agent is that wherein one or more the above-mentioned composition of superfine talcum powder, potter's clay mixes with arbitrary proportion.
Said rubber softening oil is own rubber pyriform softe oil.
Said crosslinking coagent is a cyanacrylate.
Said peroxide cross-linking agent is a Di Cumyl Peroxide 99.
Said stablizer is a barium stearate.
Said promoting agent is an activated magnesia.
Said lubricant is a paraffin.
Said coupling agent aluminium titanium composite coupler.
Said anti-aging agent is 2,2,4-trimethylammonium-1,2-dihyaroquinoline polymer.
A kind of method of making above-mentioned cable insulation material, said method of manufacture may further comprise the steps:
A. take by weighing raw material for standby by said ratio;
B. in Banbury mixer, add anti-aging agent, lubricant, crosslinking coagent and stablizer, promoting agent and coupling agent successively.To be mixedly add weighting agent and terpolymer EP rubber successively after evenly, under atmospheric pressure environment mixing 1-4 minute;
C. add rubber pyriform softe oil, under atmospheric pressure environment mixing 1-4 minute;
D. put down the pressurization hammer, after the dnockout temperature reaches 70-80 ℃, promote the pressurization hammer;
E. clean dust, when the dnockout temperature reaches 90-110 ℃, add peroxide cross-linking agent;
F. add behind the peroxide cross-linking agent 90-110 ℃ of down lasting dnockout 30-60 second, expect the enterprising one-step melting of mill then down;
G. under normal temperature, normal pressure, parked the India-rubber wire insulating material that mixes 10-20 hour, treat that India-rubber wire insulating material answer normality gets final product.
The present invention has the following advantages:
1, in the cable insulation material of the present invention, adopt trioctyl trimellitate, Di Cumyl Peroxide 99, stablizer to use starting material such as not leaded cadmium, nontoxic barium stearate, its product toxicity is low, and the amount of separating out of toxic substance is few, and is therefore few to the pollution of environment.
2, in the cable insulation material of the present invention, owing to adopt auxiliary agent nontoxic or that toxicity is low, so when lead burnt because of mishap, less to the infringement of human body, the security of rubber wire sheath material was stronger.
Embodiment
Mainly comprise terpolymer EP rubber, weighting agent, rubber softening oil, crosslinking coagent, peroxide cross-linking agent, stablizer, promoting agent, lubricant, coupling agent, anti-aging agent in the rubber cable sheath material of the present invention, each components contents is calculated by weight and is respectively 100 parts of terpolymer EP rubbers, weighting agent 100-140 part, rubber softening oil 3-5 part, crosslinking coagent 3-6 part, peroxide cross-linking agent 3-6 part, stablizer 4-8 part, promoting agent 4-8 part, lubricant 3-5 part, coupling agent 3-5 part, anti-aging agent 1-3 part.Weighting agent adopts superfine talcum powder, lime carbonate and is the mixture of any one or above-mentioned three kinds of material arbitrary proportions in the potter's clay.Linking agent adopts cyanacrylate, can improve thermotolerance, weathering resistance, erosion resistance, flame retardant resistance and the insulativity of goods.In this cable insulation material, also added peroxide cross-linking agent, it selects Di Cumyl Peroxide 99 for use, and its cross-linking efficiency is higher, and thermotolerance, low temperature resistant subduing property and the withstand voltage deformability of crosslinked back goods are all better.Stablizer adopts barium stearate, the security that performances such as it is nontoxic, non-volatility all can improve goods.Promoting agent is selected activated magnesia for use, can significantly improve the flame retardant resistance of goods, and its toxicity is low, does not also have volatility.Lubrication prescription adopts paraffin, and product has higher thermostability, except that the flowability that can increase material, also has certain flame retardant effect.Rubber softening oil is selected own rubber pyriform softe oil for use, can effectively improve the mechanical property of elastomeric material.Anti-aging agent adopts 2,2,4-trimethylammonium-1, and 2-dihyaroquinoline polymer can improve the weathering resistance of elastomeric material.Coupling agent adopts aluminium titanium composite coupler, can improve the loading level of mineral filler in resin, make goods have higher thermostability, and have certain flame retardant effect, and it has the advantage that reduces system viscosity, improves processing characteristics.
The method of manufacture of cable insulation material may further comprise the steps:
A. take by weighing raw material for standby by said ratio;
B. in Banbury mixer, add anti-aging agent, lubricant, crosslinking coagent and stablizer, promoting agent and coupling agent successively.To be mixedly add weighting agent and terpolymer EP rubber successively after evenly, under atmospheric pressure environment mixing 1-4 minute;
C. add rubber softening oil, under atmospheric pressure environment mixing 1-4 minute;
D. put down the pressurization hammer, after the dnockout temperature reaches 70-80 ℃, promote the pressurization hammer;
E. clean dust, when the dnockout temperature reaches 90-110 ℃, add peroxide cross-linking agent;
F. add behind the peroxide cross-linking agent 90-110 ℃ of down lasting dnockout 30-60 second, expect the enterprising one-step melting of mill then down;
G. under normal temperature, normal pressure, parked the cable insulation material that mixes 10-20 hour, treat that cable insulation material answer normality gets final product.
Through table 1 each embodiment is further specified the present invention below, but therefore do not limit the invention in the said scope of embodiments.
Embodiment 1
Cable insulation material of the present invention comprises terpolymer EP rubber, weighting agent, rubber softening oil, crosslinking coagent, peroxide cross-linking agent, stablizer, promoting agent, lubricant, coupling agent, anti-aging agent.Weighting agent is that superfine talcum powder, rubber softening oil are that own rubber pyriform softe oil, crosslinking coagent are that cyanacrylate, peroxide cross-linking agent are that Di Cumyl Peroxide 99, stablizer are that barium stearate, promoting agent are that activated magnesia, lubricant are that paraffin, coupling agent are that aluminium titanium composite coupler, anti-aging agent are 2; 2; 4-trimethylammonium-1,2-dihyaroquinoline polymer.Each components contents is calculated by weight and is respectively 100 parts of terpolymer EP rubbers; 100 parts of superfine talcum powders; 3 parts of own rubber pyriform softe oil; 3 parts of cyanacrylates; 3 parts of Di Cumyl Peroxide 99s; 4 parts of barium stearates; 4 parts of activated magnesias; 3 parts of aluminium titanium composite couplers; 2,2,4-trimethylammonium-1,1 part of 2-dihyaroquinoline polymer.The method of manufacture of cable insulation material may further comprise the steps:
A. take by weighing raw material for standby by said ratio;
B. in Banbury mixer, add anti-aging agent, lubricant, crosslinking coagent and stablizer, promoting agent and coupling agent successively.To be mixedly add weighting agent and terpolymer EP rubber successively after evenly, under atmospheric pressure environment mixing 1 minute;
C. add rubber softening oil, under atmospheric pressure environment mixing 1 minute;
D. put down the pressurization hammer, after the dnockout temperature reaches 70 ℃, promote the pressurization hammer;
E. clean dust, when the dnockout temperature reaches 90 ℃, add peroxide cross-linking agent;
F. descend lasting dnockouts 30 seconds at 90 ℃ after adding peroxide cross-linking agent, expect the enterprising one-step melting of mill then down;
G. under normal temperature, normal pressure, parked the cable insulation material that mixes 10 hours, treat that cable insulation material answer normality gets final product.
Embodiment 2
Cable insulation material of the present invention comprises terpolymer EP rubber, weighting agent, rubber softening oil, crosslinking coagent, peroxide cross-linking agent, stablizer, promoting agent, lubricant, coupling agent, anti-aging agent.Weighting agent is that mixture, the rubber softening oil of superfine talcum powder and potter's clay is that own rubber pyriform softe oil, crosslinking coagent are that cyanacrylate, peroxide cross-linking agent are that Di Cumyl Peroxide 99, stablizer are that barium stearate, promoting agent are that activated magnesia, lubricant are that paraffin, coupling agent are that aluminium titanium composite coupler, anti-aging agent are 2; 2; 4-trimethylammonium-1,2-dihyaroquinoline polymer.Each components contents is calculated by weight and is respectively 100 parts of terpolymer EP rubbers; 70 parts of superfine talcum powders; 70 parts in potter's clay; 5 parts of own rubber pyriform softe oil; 6 parts of cyanacrylates; 6 parts of Di Cumyl Peroxide 99s; 8 parts of barium stearates; 8 parts of activated magnesias; 5 parts of aluminium titanium composite couplers; 2,2,4-trimethylammonium-1,3 parts of 2-dihyaroquinoline polymers.The method of manufacture of cable insulation material may further comprise the steps:
A. take by weighing raw material for standby by said ratio;
B. in Banbury mixer, add anti-aging agent, lubricant, crosslinking coagent and stablizer, promoting agent and coupling agent successively.To be mixedly add weighting agent and terpolymer EP rubber successively after evenly, under atmospheric pressure environment mixing 4 minutes;
C. add rubber softening oil, under atmospheric pressure environment mixing 4 minutes;
D. put down the pressurization hammer, after the dnockout temperature reaches 80 ℃, promote the pressurization hammer;
E. clean dust, when the dnockout temperature reaches 110 ℃, add peroxide cross-linking agent;
F. descend lasting dnockouts 60 seconds at 110 ℃ after adding peroxide cross-linking agent, expect the enterprising one-step melting of mill then down;
G. under normal temperature, normal pressure, parked the cable insulation material that mixes 20 hours, treat that cable insulation material answer normality gets final product.
Embodiment 3
Cable insulation material of the present invention comprises terpolymer EP rubber, weighting agent, rubber softening oil, crosslinking coagent, peroxide cross-linking agent, stablizer, promoting agent, lubricant, coupling agent, anti-aging agent.Weighting agent is that mixture, the rubber softening oil of superfine talcum powder and potter's clay is that own rubber pyriform softe oil, crosslinking coagent are that cyanacrylate, peroxide cross-linking agent are that Di Cumyl Peroxide 99, stablizer are that barium stearate, promoting agent are that activated magnesia, lubricant are that paraffin, coupling agent are that aluminium titanium composite coupler, anti-aging agent are 2; 2; 4-trimethylammonium-1,2-dihyaroquinoline polymer.Each components contents is calculated by weight and is respectively 100 parts of terpolymer EP rubbers; 55 parts of superfine talcum powders; 60 parts in potter's clay; 4 parts of own rubber pyriform softe oil; 5 parts of cyanacrylates; 4 parts of Di Cumyl Peroxide 99s; 6 parts of barium stearates; 7 parts of activated magnesias; 4 parts of aluminium titanium composite couplers; 2,2,4-trimethylammonium-1,2 parts of 2-dihyaroquinoline polymers.The method of manufacture of cable insulation material may further comprise the steps:
A. take by weighing raw material for standby by said ratio;
B. in Banbury mixer, add anti-aging agent, lubricant, crosslinking coagent and stablizer, promoting agent and coupling agent successively.To be mixedly add weighting agent and terpolymer EP rubber successively after evenly, under atmospheric pressure environment mixing 2 minutes;
C. add rubber softening oil, under atmospheric pressure environment mixing 2 minutes;
D. put down the pressurization hammer, after the dnockout temperature reaches 72 ℃, promote the pressurization hammer;
E. clean dust, when the dnockout temperature reaches 93 ℃, add peroxide cross-linking agent;
F. descend lasting dnockouts 45 seconds at 93 ℃ after adding peroxide cross-linking agent, expect the enterprising one-step melting of mill then down;
G. under normal temperature, normal pressure, parked the cable insulation material that mixes 12 hours, treat that cable insulation material answer normality gets final product.
Embodiment 4
Cable insulation material of the present invention comprises terpolymer EP rubber, weighting agent, rubber softening oil, crosslinking coagent, peroxide cross-linking agent, stablizer, promoting agent, lubricant, coupling agent, anti-aging agent.Weighting agent is that mixture, the rubber softening oil of superfine talcum powder and potter's clay is that own rubber pyriform softe oil, crosslinking coagent are that cyanacrylate, peroxide cross-linking agent are that Di Cumyl Peroxide 99, stablizer are that barium stearate, promoting agent are that activated magnesia, lubricant are that paraffin, coupling agent are that aluminium titanium composite coupler, anti-aging agent are 2; 2; 4-trimethylammonium-1,2-dihyaroquinoline polymer.Each components contents is calculated by weight and is respectively 100 parts of terpolymer EP rubbers; 60 parts of superfine talcum powders; 60 parts in potter's clay; 3 parts of own rubber pyriform softe oil; 4 parts of cyanacrylates; 5 parts of Di Cumyl Peroxide 99s; 5 parts of barium stearates; 6 parts of activated magnesias; 3 parts of aluminium titanium composite couplers; 2,2,4-trimethylammonium-1,3 parts of 2-dihyaroquinoline polymers.The method of manufacture of cable insulation material may further comprise the steps:
A. take by weighing raw material for standby by said ratio;
B. in Banbury mixer, add anti-aging agent, lubricant, crosslinking coagent and stablizer, promoting agent and coupling agent successively.To be mixedly add weighting agent and terpolymer EP rubber successively after evenly, under atmospheric pressure environment mixing 2 minutes;
C. add rubber softening oil, under atmospheric pressure environment mixing 3 minutes;
D. put down the pressurization hammer, after the dnockout temperature reaches 75 ℃, promote the pressurization hammer;
E. clean dust, when the dnockout temperature reaches 105 ℃, add peroxide cross-linking agent;
F. descend lasting dnockouts 50 seconds at 105 ℃ after adding peroxide cross-linking agent, expect the enterprising one-step melting of mill then down;
G. under normal temperature, normal pressure, parked the cable insulation material that mixes 16 hours, treat that cable insulation material answer normality gets final product.
Embodiment 5
Cable insulation material of the present invention comprises terpolymer EP rubber, weighting agent, rubber softening oil, crosslinking coagent, peroxide cross-linking agent, stablizer, promoting agent, lubricant, coupling agent, anti-aging agent.Weighting agent is that mixture, the rubber softening oil of superfine talcum powder and potter's clay is that own rubber pyriform softe oil, crosslinking coagent are that cyanacrylate, peroxide cross-linking agent are that Di Cumyl Peroxide 99, stablizer are that barium stearate, promoting agent are that activated magnesia, lubricant are that paraffin, coupling agent are that aluminium titanium composite coupler, anti-aging agent are 2; 2; 4-trimethylammonium-1,2-dihyaroquinoline polymer.Each components contents is calculated by weight and is respectively 100 parts of terpolymer EP rubbers; 65 parts of superfine talcum powders; 55 parts in potter's clay; 3 parts of own rubber pyriform softe oil; 3 parts of cyanacrylates; 4 parts of Di Cumyl Peroxide 99s; 7 parts of barium stearates; 5 parts of activated magnesias; 4 parts of aluminium titanium composite couplers; 2,2,4-trimethylammonium-1,2 parts of 2-dihyaroquinoline polymers.The method of manufacture of cable insulation material may further comprise the steps:
A. take by weighing raw material for standby by said ratio;
B. in Banbury mixer, add anti-aging agent, lubricant, crosslinking coagent and stablizer, promoting agent and coupling agent successively.To be mixedly add weighting agent and terpolymer EP rubber successively after evenly, under atmospheric pressure environment mixing 3 minutes;
C. add rubber softening oil, under atmospheric pressure environment mixing 3 minutes;
D. put down the pressurization hammer, after the dnockout temperature reaches 76 ℃, promote the pressurization hammer;
E. clean dust, when the dnockout temperature reaches 106 ℃, add peroxide cross-linking agent;
F. descend lasting dnockouts 54 seconds at 106 ℃ after adding peroxide cross-linking agent, expect the enterprising one-step melting of mill then down;
G. under normal temperature, normal pressure, parked the cable insulation material that mixes 17 hours, treat that cable insulation material answer normality gets final product.
Embodiment 6
Cable insulation material of the present invention comprises terpolymer EP rubber, weighting agent, rubber softening oil, crosslinking coagent, peroxide cross-linking agent, stablizer, promoting agent, lubricant, coupling agent, anti-aging agent.Weighting agent is that mixture, the rubber softening oil of superfine talcum powder and potter's clay is that own rubber pyriform softe oil, crosslinking coagent are that cyanacrylate, peroxide cross-linking agent are that Di Cumyl Peroxide 99, stablizer are that barium stearate, promoting agent are that activated magnesia, lubricant are that paraffin, coupling agent are that aluminium titanium composite coupler, anti-aging agent are 2; 2; 4-trimethylammonium-1,2-dihyaroquinoline polymer.Each components contents is calculated by weight and is respectively 100 parts of terpolymer EP rubbers; 64 parts of superfine talcum powders; 62 parts in potter's clay; 4 parts of own rubber pyriform softe oil; 4 parts of cyanacrylates; 3 parts of Di Cumyl Peroxide 99s; 6 parts of barium stearates; 7 parts of activated magnesias; 3 parts of aluminium titanium composite couplers; 2,2,4-trimethylammonium-1,1 part of 2-dihyaroquinoline polymer.The method of manufacture of cable insulation material may further comprise the steps:
A. take by weighing raw material for standby by said ratio;
B. in Banbury mixer, add anti-aging agent, lubricant, crosslinking coagent and stablizer, promoting agent and coupling agent successively.To be mixedly add weighting agent and terpolymer EP rubber successively after evenly, under atmospheric pressure environment mixing 3 minutes;
C. add rubber softening oil, under atmospheric pressure environment mixing 2 minutes;
D. put down the pressurization hammer, after the dnockout temperature reaches 77 ℃, promote the pressurization hammer;
E. clean dust, when the dnockout temperature reaches 104 ℃, add peroxide cross-linking agent;
F. descend lasting dnockouts 53 seconds at 104 ℃ after adding peroxide cross-linking agent, expect the enterprising one-step melting of mill then down;
G. under normal temperature, normal pressure, parked the cable insulation material that mixes 13 hours, treat that cable insulation material answer normality gets final product.
Table 1
Claims (2)
1. cable insulation material; It is characterized in that: said cable insulation material comprises terpolymer EP rubber, weighting agent, rubber softening oil, crosslinking coagent, peroxide cross-linking agent, stablizer, promoting agent, lubricant, coupling agent, anti-aging agent; Each components contents is calculated by weight and is respectively 100 parts of terpolymer EP rubbers, weighting agent 100-140 part, rubber softening oil 3-5 part, crosslinking coagent 3-6 part, peroxide cross-linking agent 3-6 part, stablizer 4-8 part, promoting agent 4-8 part, lubricant 3-5 part, coupling agent 3-5 part, anti-aging agent 1-3 part, and crosslinking coagent is a cyanacrylate; Peroxide cross-linking agent is a Di Cumyl Peroxide 99; Stablizer is a barium stearate; Promoting agent is an activated magnesia; Lubricant is a paraffin; Coupling agent is an aluminium titanium composite coupler; Anti-aging agent is 2,2,4-trimethylammonium-1, and 2-dihyaroquinoline polymer,
Said cable insulation material is by following method of manufacture manufacturing, and said method of manufacture may further comprise the steps:
A. take by weighing raw material for standby by said ratio;
B. in Banbury mixer, add anti-aging agent, lubricant, crosslinking coagent and stablizer, promoting agent and coupling agent successively, to be mixedly add weighting agent and terpolymer EP rubber successively after evenly, under atmospheric pressure environment mixing 1-4 minute;
C. add rubber softening oil, under atmospheric pressure environment mixing 1-4 minute;
D. put down the pressurization hammer, after the dnockout temperature reaches 70-80 ℃, promote the pressurization hammer;
E. clean dust, when the dnockout temperature reaches 90-110 ℃, add peroxide cross-linking agent;
F added behind the peroxide cross-linking agent 90-110 ℃ of down lasting dnockout 30-60 second, expected the enterprising one-step melting of mill then down;
G. under normal temperature, normal pressure, parked the cable insulation material that mixes 10-20 hour, treat that cable insulation material answer normality gets final product.
2. according to the said cable insulation material of claim 1, it is characterized in that: said weighting agent is that the wherein a kind of or above-mentioned composition of superfine talcum powder and potter's clay mixes with arbitrary proportion.
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| CN2009102142665A CN101735520B (en) | 2009-12-28 | 2009-12-28 | Cable insulation material and manufacturing method thereof |
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| CN2009102142665A CN101735520B (en) | 2009-12-28 | 2009-12-28 | Cable insulation material and manufacturing method thereof |
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| CN101735520B true CN101735520B (en) | 2012-07-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101838436B (en) * | 2010-06-17 | 2012-02-22 | 深圳职业技术学院 | SEBS thermoplastic elastomer cable insulation material and preparation method thereof |
| CN103951895B (en) * | 2013-10-08 | 2016-08-17 | 山东宝世达电缆有限公司 | A kind of high value, low leakage, oil resistant, high pressure resistant insulation rubber |
| CN103524900A (en) * | 2013-10-21 | 2014-01-22 | 特变电工山东鲁能泰山电缆有限公司 | Ethylene propylene rubber insulating material for 35kV-level cable |
| CN103632762A (en) * | 2013-11-20 | 2014-03-12 | 阳光旭昇电缆有限公司 | Novel 10 kV flame-retarding ethylene propylene insulated outdoor power cable |
| CN106188896A (en) * | 2016-08-29 | 2016-12-07 | 樊之雄 | A kind of cable high flexibility scratch-resistant rubber sheath and preparation method thereof |
| CN108503953A (en) * | 2018-04-25 | 2018-09-07 | 横店集团得邦工程塑料有限公司 | A kind of modified high crystalline PP composite material and preparation method thereof |
| CN112280117A (en) * | 2020-11-16 | 2021-01-29 | 安徽福日光电科技有限公司 | Low-temperature-resistant flame-retardant wire cable |
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| JP2003192852A (en) * | 2001-12-27 | 2003-07-09 | Mitsubishi Cable Ind Ltd | Ethylene-propylene rubber composition and power cable connection member using the same |
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| CN101093736A (en) * | 2006-06-21 | 2007-12-26 | 江苏中煤电缆集团有限公司 | Rubber insulation material and insulating sheath material for mine cable |
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| JP2003192852A (en) * | 2001-12-27 | 2003-07-09 | Mitsubishi Cable Ind Ltd | Ethylene-propylene rubber composition and power cable connection member using the same |
| CN1783356A (en) * | 2004-12-02 | 2006-06-07 | 上海电缆研究所 | Insulation material for medium voltage rubber insulation cable |
| CN101093736A (en) * | 2006-06-21 | 2007-12-26 | 江苏中煤电缆集团有限公司 | Rubber insulation material and insulating sheath material for mine cable |
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