CN103571070A - Cable semiconductive rubber material used for coal mines - Google Patents
Cable semiconductive rubber material used for coal mines Download PDFInfo
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- CN103571070A CN103571070A CN201210248497.XA CN201210248497A CN103571070A CN 103571070 A CN103571070 A CN 103571070A CN 201210248497 A CN201210248497 A CN 201210248497A CN 103571070 A CN103571070 A CN 103571070A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- 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
- C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
- C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or compounds containing halogen
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Organic Insulating Materials (AREA)
Abstract
The invention discloses a cable semiconductive (shielding) rubber material used for coal mines. The semiconductive rubber material is characterized by taking chlorinated polyethylene as a rubber base material, and comprises the following components by weight percentage: 30-35 parts of chlorinated polyethylene rubber, 1-3 parts of a vulcanizing agent, 1-3 parts of an assistant vulcanizing agent, 0.1-0.5 part of an anti-aging agent, 18-22 parts of a plasticizing system, 1-3 parts of a filling system, 6-8 parts of a stable system, and 30-35 parts of a conductive system. The cable semiconductive rubber material used for coal mines provided by the invention satisfies the peelable performance requirement and processing performance of cable semiconductive rubber materials used for coal mines, thus effectively reducing cost. Also, the cable semiconductive rubber material used for coal mines has the advantages of simple preparation process, good processability, and strong operability.
Description
Technical field
The present invention relates to technical field of composite materials, be specifically related to a kind of Coal Electricity cable semi-conductive rubber material.
Background technology
Along with the development of open coal mine and Underground Mine electric coal winning machine tool, more strict to the performance requriements of Coal Electricity cable.Coal Electricity cable refers to uphole equipment and the underground equipment electric wire cable product that coal mining industry is used, and its optimum working performance, safety performance and mining condition have close relationship.Coal Mine India-rubber Cable requires semiconductive material to have good dielectric properties, resistance toheat, chemical property and mechanical property.Coal Electricity cable on certain voltage grade needs extruded insulation semiconductive shielding layer, and it is the semiconductive material being wrapped in outside insulation and ground connection heart yearn.When dielectric level reduces; the leakage current of its main heart yearn footpath insulation will increase; transition resistance between being connected by shielding & grounding heart yearn; make one-phase ground protection action power dump; both can prevent that serious phase fault from occurring, and can prevent that again short circuiting arc from causing burning and the blast of gas, coal dust.From China Ministry of Coal Industry, implement after MT 818-2009 < < Coal Electricity cable > > standard, mandatory provision has been carried out to shielding type cable in colliery: shielding type cable power core must have insulation shielding, insulation screen should strip down from insulation, the section of peeling off Surface Insulation is answered the vestiges of not damaged and semi-conductive screen, to power core cross section 25mm
2carry out peeling force test with above product, peeling force is not less than 4N, and is not more than 45N; The transition resistance that nonmetal screen layer is measured is not more than 3k Ω.
Semiconductive material is mainly ethylene-vinyl acetate (EVA) copolymer material in the market, this material price is comparatively expensive, belong to plastic materials, aspect processing and consistency, there is certain difference with elastomeric material, exploitation both can meet Coal Electricity cable performance requriements for this reason, and with insulation good contact, be convenient to joint, lower-cost semi-conductive rubber material is most important.
Summary of the invention
Object of the present invention is just to provide a kind of have better processing characteristics and lower-cost Coal Electricity cable semiconductive material.The Coal Electricity cable semi-conductive rubber material that the present invention proposes, the proportioning of its each components based on weight percentage is as follows: 30～35 parts of chlorinated polyethylene rubbers, 1～3 part of vulcanizing agent, 1～3 part of cocuring agent, 0.1～0.5 part of anti-old body agent, 18～22 parts of Plasticising systems, 1～3 part of infill system, 6～8 parts of stabilising systems, 30～35 parts of conduction systems.
The chlorinated polyethylene rubber trade mark of the present invention is CPE135B; Vulcanizing agent is dicumyl peroxide (DCP); Cocuring agent is triallyl isocyanuric acid ester (TAIC); Anti-aging agent is 2,2,4-trimethylammonium-1, and 2-dihyaroquinoline polymer (RD) also can be 2-mercaptobenzimidazole (MB); Plasticising system is dioctyl phthalate (DOP) (DOP), SEMI-REFINED PARAFFIN WAX, polyethylene wax, clorafin mixes and use; Infill system is talcum powder; Stabilising system is mixing the use of magnesium oxide, calcium hydroxide; Electrical conductor is superconductive carbon black, also can be mixing the use of Shawinigan black and superconductive carbon black.
Chlorinated polyethylene rubber of the present invention is replaced and makes through superchlorination by high density polyethylene(HDPE) (HDPE), and structural formula is [CH2-CHCl-CH2-CH2] n.In rubber industry, chlorinatedpolyethylene can be used as high-performance, high-quality specialty elastomer.Chlorinated polyethylene rubber CPE135B is the saturated thermoplastic elastomer of random structure, almost without crystal property, has lower plasticization temperature and mooney viscosity, and good processability be take its goods that are base-material and had excellent ageing-resistant, weather resistance.
Vulcanization system of the present invention is dicumyl peroxide (DCP), and it belongs to peroxide vulcanizing agent, can improve resistance toheat, mechanical property of elastomeric material etc.
Cocuring agent of the present invention is triallyl isocyanuric acid ester (TAIC), and cocuring agent can improve vulcanization rate and vulcanization crosslinking density, improves the mechanical property of vulcanized rubber material.
Preventing aging system of the present invention is 2,2,4-trimethylammonium-1,2-dihyaroquinoline polymer (RD) or be 2-mercaptobenzimidazole (MB).Preventing aging system can effectively solve rubber can be subject to the impact of the envrionment conditions of heat, oxygen, light in prolonged application, and be heated in process of production, the effect such as mechanical workout, the degradation with aging of generation and decomposing phenomenon.
Plasticising system of the present invention is dioctyl phthalate (DOP) (DOP), SEMI-REFINED PARAFFIN WAX, polyethylene wax, clorafin mixes and use.Plasticising system add the stress that can weaken between polymer molecular chain, increased the movability of molecular chain, reduced the degree of crystallinity of polymkeric substance, thereby plasticity increased, improve the processing characteristics of rubber.
Infill system of the present invention is talcum powder, can increase the volume of sizing material, reduces costs, and in sizing material, is easy to disperse, and improves processing performance, and improves mechanical property.
Stabilising system of the present invention is mixing the use of magnesium oxide, calcium hydroxide, can regulate the soda acid performance of mixed rubber material, and with preventing aging system is had to certain synergy.
Electrical conductor of the present invention is superconductive carbon black, or the mixing of Shawinigan black and superconductive carbon black use.Conduction system directly has influence on the electrical property of material, and elastomeric material is obtained the primary condition of electrical property for increasing conducting medium as insulating material, and superconductive carbon black is also a kind of good strengthening agent, can play certain strengthening action to sizing material.
Beneficial effect of the present invention: the price of (1) chlorinated polyethylene rubber virgin rubber is only 1/3 of ethylene-vinyl acetate (EVA), the present invention selects chlorinated polyethylene rubber as rubber base-material, by adjusting each composition weight proportioning, a kind of Coal Electricity cable semi-conductive rubber material of preparation has reduced cost under the prerequisite that meets Coal Electricity cable use standard.(2) it is relatively low that the performance of chlorinated polyethylene rubber itself makes the mooney viscosity of semi-conductive rubber material prepared by the present invention, and expressing technique is functional.
Embodiment
The present invention selects chlorinated polyethylene rubber as rubber base-material, add the additives such as vulcanizing agent, weighting agent by each composition weight proportioning plasticate, mixing, and then prepare excellent performance and lower-cost a kind of Coal Electricity cable semi-conductive rubber material.
The present invention is described in detail by following specific embodiment 1 and 2 pairs of summary of the invention.The invention is not restricted to following embodiment, all can implement described in content of the present invention, and there is good result.
embodiment 1:
Material component formula is:
32 parts of chlorinated polyethylene rubbers (CPE135B), 2 parts of TAIC, 6 parts of DOP, 4 parts, magnesium oxide, 1.6 parts of DCP, 0.4 part of RD, 2.4 parts of talcum powder, 3.2 parts, calcium hydroxide, 4.8 parts, paraffin, 2.4 parts of ethylene waxes, 7.2 parts of clorafins, 34 parts of superconduction carbon blacks, total 100.
Preparation method:
1) should equipment cleaning is clean before batch mixing, in whole operating process, be strictly on guard against that other sizing material and impurity sneaks into.
2) Powdered chlorinated polyethylene rubber CPE135B is carried out to mill and open and be smelt film, 2～3min plasticates after moulding.
3) the chlorinated polyethylene rubber sizing material of plasticating is dropped into Banbury mixer by weight ratio, then add all the other material components 2,2 by corresponding weight proportion, 4-trimethylammonium-1,2-dihyaroquinoline polymer (RD), magnesium oxide, paraffin, ethylene waxes, mixing 1～2min.
4) by corresponding weight proportion, add calcium hydroxide, clorafin, talcum powder, mixing 3～4min.
5) by corresponding weight proportion, add dioctyl phthalate (DOP) (DOP) and superconductive carbon black, mixing 4～6min, Banbury mixer discharge when melting temperature reaches 90～100 ℃, by the sizing material mixing mill thin-pass 1～2 time, tri-roll press machine calendering, does not open bar slice.After depositing 24h, sizing material room temperature after calendering puts into mixer mixing, during 100 ℃ of left and right of melting temperature, add vulcanizing agent dicumyl peroxide (DCP) and triallyl isocyanuric acid ester (TAIC), mixing 0.5～1min left and right discharge, after discharge mill thin-pass 1～2 time, bar slice is opened in tri-roll press machine calendering, and the rubber page of output, after cooling roller is cooling, is crossed talcum powder groove, obtain semi-conductive rubber material, and packing warehouse-in.
Test of products data are as follows:
embodiment 2:
32 parts of chlorinated polyethylene rubbers (CPE135B), 2 parts of TAIC, 6 parts of DOP, 4 parts, magnesium oxide, 1.6 parts of DCP, 0.4 part of RD, 2.4 parts of talcum powder, 3.2 parts, calcium hydroxide, 4.8 parts, paraffin, 2.4 parts of ethylene waxes, 7.2 parts of clorafins, 28 parts of superconduction carbon blacks, 6 parts of Shawinigan blacks, total 100.
Preparation method:
1) should equipment cleaning is clean before batch mixing, in whole operating process, be strictly on guard against that other sizing material and impurity sneaks into.
2) Powdered chlorinated polyethylene rubber CPE135B is carried out to mill and open and be smelt film, 2～3min plasticates after moulding.
3) the chlorinated polyethylene rubber sizing material of plasticating is dropped into Banbury mixer by weight ratio, then add all the other material components 2,2 by corresponding weight proportion, 4-trimethylammonium-1,2-dihyaroquinoline polymer (RD), magnesium oxide, paraffin, ethylene waxes, mixing 1～2min.
4) by corresponding weight proportion, add calcium hydroxide, clorafin, talcum powder, mixing 3～4min.
5) by corresponding weight proportion, add dioctyl phthalate (DOP) (DOP), superconductive carbon black and Shawinigan black, mixing 4～6min, Banbury mixer discharge when melting temperature reaches 90～100 ℃, by the sizing material mixing mill thin-pass 1～2 time, tri-roll press machine calendering, does not open bar slice.After depositing 24h, sizing material room temperature after calendering puts into mixer mixing, during 100 ℃ of left and right of melting temperature, add vulcanizing agent dicumyl peroxide (DCP) and triallyl isocyanuric acid ester (TAIC), mixing 0.5～1min left and right discharge, after discharge mill thin-pass 1～2 time, bar slice is opened in tri-roll press machine calendering, and the rubber page of output, after cooling roller is cooling, is crossed talcum powder groove, obtain semi-conductive rubber material, and packing warehouse-in.
Test of products data are as follows:
To sum up, Coal Electricity cable semi-conductive rubber material properties of the present invention requires to meet Ministry of Coal Industry's standard-required, has preferably processing characteristics and physical and mechanical properties, and cost reduces by 25～35% with respect to market value, preparation technology is simple, and good processability is workable.
Claims (8)
1. a Coal Electricity cable semi-conductive rubber material, it is characterized in that it is by chlorinated polyethylene rubber, vulcanizing agent, cocuring agent, anti-old body agent, Plasticising system, infill system, stabilising system, conduction composing system, various materials content is by weight percentage 30～35 parts of chlorinated polyethylene rubbers, 1～3 part of vulcanizing agent, 1～3 part of cocuring agent, 0.1～0.5 part of anti-old body agent, 18～22 parts of Plasticising systems, 1～3 part of infill system, 6～8 parts of stabilising systems, 30～35 parts of conduction systems.
2. according to the Coal Electricity cable semi-conductive rubber material described in claims 1, it is characterized in that described vulcanizing agent is peroxide vulcanizing agent, concrete material is dicumyl peroxide (DCP).
3. according to the Coal Electricity cable semi-conductive rubber material described in claims 1, it is characterized in that described cocuring agent is triallyl isocyanuric acid ester (TAIC).
4. according to the Coal Electricity cable semi-conductive rubber material described in claims 1, it is characterized in that described anti-aging agent can adopt 2,2,4-trimethylammonium-1,2-dihyaroquinoline polymer (RD); Also can adopt 2-mercaptobenzimidazole (MB).
5. according to the Coal Electricity cable semi-conductive rubber material described in claims 1, it is characterized in that, described softening agent is comprised of dioctyl phthalate (DOP) (DOP), SEMI-REFINED PARAFFIN WAX, polyethylene wax, clorafin, and its components based on weight percentage is 25～30 parts of DOP; 20～25 parts of SEMI-REFINED PARAFFIN WAX; 10～15 parts of polyethylene waxs; 34～38 parts of clorafins.
6. according to the Coal Electricity cable semi-conductive rubber material described in claims 1, the infill system described in it is characterized in that is selected talcum powder.
7. according to the Coal Electricity cable semi-conductive rubber material described in claims 1, it is characterized in that described stabilising system is comprised of magnesium oxide, calcium hydroxide, its compositions in weight percentage is 54～57 parts, magnesium oxide; 42～46 parts, calcium hydroxide.
8. according to the Coal Electricity cable semi-conductive rubber material described in claims 1, it is characterized in that described conduction system adopts superconductive carbon black; Also can be comprised of Shawinigan black and superconductive carbon black, its compositions in weight percentage is Shawinigan black 16-18 part; 80～84 parts of superconductive carbon blacks.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210248497.XA CN103571070A (en) | 2012-07-18 | 2012-07-18 | Cable semiconductive rubber material used for coal mines |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210248497.XA CN103571070A (en) | 2012-07-18 | 2012-07-18 | Cable semiconductive rubber material used for coal mines |
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| CN103571070A true CN103571070A (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210248497.XA Pending CN103571070A (en) | 2012-07-18 | 2012-07-18 | Cable semiconductive rubber material used for coal mines |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105218953A (en) * | 2015-10-21 | 2016-01-06 | 山东太平洋橡缆股份有限公司 | A kind of ethylene-propylene rubber(EPR) cable conductor semi-conductive shielding material |
| CN105348576A (en) * | 2015-12-01 | 2016-02-24 | 上海蓝昊电气有限公司 | Semiconduction material for high-strength high-hardness saddle-shaped filling strip and preparation method thereof |
| CN108659543A (en) * | 2018-06-21 | 2018-10-16 | 安徽特力电缆有限公司 | A kind of semi-conductive rubber for cable accessory |
| CN109320862A (en) * | 2018-12-14 | 2019-02-12 | 潍坊潍星联合橡塑有限公司 | Flame-retardant and anti-static haloflex hydralic hose outer layer glue and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101613507A (en) * | 2009-08-07 | 2009-12-30 | 安徽江淮电缆集团有限公司 | The used in mining high-voltage rubber insulated cables peelable insulation shielding material |
| CN102399397A (en) * | 2011-09-29 | 2012-04-04 | 江苏亨通电力电缆有限公司 | Cold-resistant rubber cable sheath material and preparation method thereof |
-
2012
- 2012-07-18 CN CN201210248497.XA patent/CN103571070A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101613507A (en) * | 2009-08-07 | 2009-12-30 | 安徽江淮电缆集团有限公司 | The used in mining high-voltage rubber insulated cables peelable insulation shielding material |
| CN102399397A (en) * | 2011-09-29 | 2012-04-04 | 江苏亨通电力电缆有限公司 | Cold-resistant rubber cable sheath material and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105218953A (en) * | 2015-10-21 | 2016-01-06 | 山东太平洋橡缆股份有限公司 | A kind of ethylene-propylene rubber(EPR) cable conductor semi-conductive shielding material |
| CN105348576A (en) * | 2015-12-01 | 2016-02-24 | 上海蓝昊电气有限公司 | Semiconduction material for high-strength high-hardness saddle-shaped filling strip and preparation method thereof |
| CN108659543A (en) * | 2018-06-21 | 2018-10-16 | 安徽特力电缆有限公司 | A kind of semi-conductive rubber for cable accessory |
| CN109320862A (en) * | 2018-12-14 | 2019-02-12 | 潍坊潍星联合橡塑有限公司 | Flame-retardant and anti-static haloflex hydralic hose outer layer glue and preparation method thereof |
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Application publication date: 20140212 |