CN103772777A - City rail cable sheathing material - Google Patents
City rail cable sheathing material Download PDFInfo
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- CN103772777A CN103772777A CN201410023119.0A CN201410023119A CN103772777A CN 103772777 A CN103772777 A CN 103772777A CN 201410023119 A CN201410023119 A CN 201410023119A CN 103772777 A CN103772777 A CN 103772777A
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Abstract
The invention discloses a city rail cable sheathing material. The city rail cable sheathing material is prepared from a main material and an auxiliary material, wherein the main material contains the following ingredients in parts by weight: 20-25 parts of W type neoprene and 13-17 parts of chlorinated cis-butadiene rubber; the auxiliary material contains the following ingredients in parts by weight: 1-1.5 parts of magnesium oxide, 1-1.5 parts of zinc oxide, 0.5-0.9 part of aluminum hydroxide, 0.2-0.4 part of stearic acid, 0.5-1 part of accelerant DM, 0.6-0.8 part of accelerant NA-22, 0.1-0.3 part of methyl thiuram disulfide, 1.0-1.3 parts of plasticizer tetra-lead trioxide sulfate, 0.45-0.6 part of dioctyl phthalate, 1.2-1.4 parts of microcrystalline paraffin, 0.9-1.2 parts of iso-octyl decyl adipate, 0.1-0.15 part of N,N-phenyl-p-phenylenediamine, 0.2-0.4 part of anti-aging agent 445, 5-8 parts of reinforcer carbon black N660, 4.5-6 parts of reinforcer semi-reinforcing carbon black, 3-4 parts of precipitated white carbon black, 8-10 parts of calcined clay, 3-4 parts of calcium carbonate and 0.7-1.4 parts of sulfur.
Description
Technical field
The present invention relates to cable sheath material technical field, relate in particular to a kind of city rail cable sheath material.
Background technology
Along with the acceleration of development and the Urbanization Construction of domestic economy, urban track traffic is as solving Urban Traffic a kind of basic public facility easily, quick because of it, safety, comfortable, features convenient and energy-conserving and environment-protective have obtained Large scale construction in many cities, city rail cable is widely applied thereupon, wherein obviously increase with the usage quantity of flame resistant cable, in some important departments and public arena, after presence of fire, packing circuit can normally move for some time rescue work is very helpful, and can reduce to a great extent loss of life and personal injury and property damage, the outermost layer of city rail cable is sheath, it is generally rubber or the synthetic cover of rubber, sheath effect is that insulation and protection cable preserve from, the quality of its fire performance could safe operation have vital effect to city rail cable, though developed multiple flame resistant cable sheath material at present, but still can not meet demand, how to prepare a kind of heat-resisting, fire performance excellence, burning environmental pollution is little, physical mechanical can be excellent, duration of service, long city rail cable sheath material became the current technical issues that need to address.
Summary of the invention
The present invention proposes a kind of city rail cable sheath material, described city rail cable sheath material physical and mechanical properties is good, heat-resisting, fire performance is excellent, the less pollution of burning to environment, and work-ing life is longer.
A kind of city rail cable sheath material that the present invention proposes, its raw material comprises major ingredient and auxiliary material, wherein major ingredient comprises 20-25 part W type chloroprene rubber and 13-17 part chlorination cis-1,4-polybutadiene rubber by weight, wherein auxiliary material comprises 1-1.5 part magnesium oxide by weight, 1-1.5 part zinc oxide, 0.5-0.9 part aluminium hydroxide, 0.2-0.4 part stearic acid, 0.5-1 part altax, 0.6-0.8 part accelerant N A-22, 0.1～0.3 part of curing methyl thiuram, 1.0～1.3 parts of softening agent sulfuric acid three are oxidized four lead, 0.45～0.6 part of dioctyl phthalate (DOP), 1.2～1.4 parts of microcrystalline waxes, 0.9～1.2 part of ODA, 0.1～0.15 part of N, 4-aminodiphenylamine, 0.2～0.4 part of anti-aging agent 445, 5～8 parts of strengthening agent carbon black N660, 4.5～6 parts of strengthening agent semi-reinforcing hydrocarbon blacks, 3-4 part precipitated silica, 8～10 parts of calcinated argils, 3～4 parts of calcium carbonate, 0.7-1.4 part sulphur.
Preferably, the weight part of W type chloroprene rubber is 23-25 part, and the weight part of chlorination cis-1,4-polybutadiene rubber is 14-15 part.
Preferably, the weight ratio of W type chloroprene rubber and chlorination cis-1,4-polybutadiene rubber is 12:7.
Preferably, magnesium oxide: zinc oxide: the weight ratio of aluminium hydroxide is (2-3): 3:1.
Preferably, described auxiliary material comprises by weight: 1-1.5 part magnesium oxide, 1.5 parts of zinc oxide, 0.5 part of aluminium hydroxide, 0.2-0.4 part stearic acid, 0.6-0.8 part altax, 0.7-0.75 part accelerant N A-22, 0.1～0.3 part of curing methyl thiuram, 1.1-1.2 part softening agent sulfuric acid three is oxidized four lead, 0.5-0.55 part dioctyl phthalate (DOP), 1.3-1.4 part microcrystalline wax, 1.1-1.2 part ODA, 1.11-1.13 part N, 4-aminodiphenylamine, 0.2-0.3 part anti-aging agent 445, 6-7 part strengthening agent carbon black N660, 5-5.5 part strengthening agent semi-reinforcing hydrocarbon black, 3.2-3.5 part precipitated silica, 9-10 part calcinated argil, 3.2-3.5 part calcium carbonate, 0.9-1.2 part sulphur.
In the present invention, use W type chloroprene rubber and chlorination cis-1,4-polybutadiene rubber as base material, and rationally control promoting agent zinc oxide, promoting agent magnesium oxide and the magnesium hydroxide proportioning in this cable sheath, the burst size of hydrogenchloride can significantly reduce neoprene latex burning time, and there is good fire retardant smoke effect, add altax, accelerant N A-22 and curing methyl thiuram share and rationally control content and can extend time of scorch and play the effect that prevents incipient scorch, heat-resisting effect is good, and significantly improve the plasticity-of neoprene latex, accelerant N A-22 is mixed with W type chloroprene rubber, well stress at definite elongation and higher hardness, and tension set is little, heat aging performance is good, NA-22 is mixed with DM, prevent that incipient scorch effect is remarkable, in this kind of cable sheath, add stearic acid and make activator, component is uniformly dispersed, cable sheath surface flatness excellence, microcrystalline wax is as tenderizer, can significantly increase the processing characteristics of sizing material, make sizing material be difficult for roll banding and incipient scorch, due to the easy thermooxidizing of neoprene latex, introduce anti-aging agent 445, ODA, N, 4-aminodiphenylamine and dioctyl phthalate (DOP) can obtain desirable anti-aging effect, be used in conjunction with sulfuric acid three and be oxidized four lead, anti-aging effect excellence, weighting agent precipitated silica, calcinated argil and calcium carbonate can increase rubber volume, reduce costs, improve and mediate performance, and reduce molding shrinkage.
Embodiment
Embodiment 1
A kind of city rail cable sheath material, its raw material comprises major ingredient and auxiliary material;
Wherein major ingredient comprises 20 parts of W type chloroprene rubbers and 16 parts of chlorination cis-1,4-polybutadiene rubbers by weight;
Wherein auxiliary material comprises 1.5 parts of magnesium oxide by weight, 1.1 parts of zinc oxide, 0.8 part of aluminium hydroxide, 0.2 part of stearic acid, 0.5 part of altax, 0.7 part of accelerant N A-22, 0.2 part of curing methyl thiuram, 1.03 parts of softening agent sulfuric acid three are oxidized four lead, 0.58 part of dioctyl phthalate (DOP), 1.3 parts of microcrystalline waxes, 1.1 parts of ODAs, 0.12 part of N, 4-aminodiphenylamine, 0.3 part of anti-aging agent 445, 7 parts of strengthening agent carbon black N660, 4.6 parts of strengthening agent semi-reinforcing hydrocarbon blacks, 4 parts of precipitated silicas, 9 parts of calcinated argils, 3.2 parts of calcium carbonate, 1.2 parts of sulphur.
Embodiment 2
A kind of city rail cable sheath material, its raw material comprises major ingredient and auxiliary material;
Wherein major ingredient comprises 25 parts of W type chloroprene rubbers and 14 parts of chlorination cis-1,4-polybutadiene rubbers by weight;
Wherein auxiliary material comprises 1.4 parts of magnesium oxide by weight, 1.3 parts of zinc oxide, 0.6 part of aluminium hydroxide, 0.2 part of stearic acid, 0.9 part of altax, 0.7 part of accelerant N A-22, 0.25 part of curing methyl thiuram, 1.25 parts of softening agent sulfuric acid three are oxidized four lead, 0.55 part of dioctyl phthalate (DOP), 1.3 parts of microcrystalline waxes, 1.1 parts of ODAs, 0.13 part of N, 4-aminodiphenylamine, 0.37 part of anti-aging agent 445, 7.5 parts of strengthening agent carbon black N660, 5.8 parts of strengthening agent semi-reinforcing hydrocarbon blacks, 3.4 parts of precipitated silicas, 8.7 parts of calcinated argils, 3.5 parts of calcium carbonate, 1.35 part sulphur.
Embodiment 3
A kind of city rail cable sheath material, its raw material comprises major ingredient and auxiliary material;
Wherein major ingredient comprises 24 parts of W type chloroprene rubbers and 16 parts of chlorination cis-1,4-polybutadiene rubbers by weight;
Wherein auxiliary material comprises 1.45 parts of magnesium oxide by weight, 1.3 parts of zinc oxide, 0.8 part of aluminium hydroxide, 0.33 part of stearic acid, 0.24 part of altax, 0.7 part of accelerant N A-22, 0.28 part of curing methyl thiuram, 1.05 parts of softening agent sulfuric acid three are oxidized four lead, 0.58 part of dioctyl phthalate (DOP), 1.33 part microcrystalline wax, 1.05 part ODA, 0.2 part of N, 4-aminodiphenylamine, 0.36 part of anti-aging agent 445, 6.7 parts of strengthening agent carbon black N660, 5.7 parts of strengthening agent semi-reinforcing hydrocarbon blacks, 3.3 parts of precipitated silicas, 9.5 parts of calcinated argils, 3.6 parts of calcium carbonate, 1.3 parts of sulphur.
Embodiment 4
A kind of city rail cable sheath material, its raw material comprises major ingredient and auxiliary material;
Wherein major ingredient comprises 24 parts of W type chloroprene rubbers and 15 parts of chlorination cis-1,4-polybutadiene rubbers by weight;
Wherein auxiliary material comprises 1.3 parts of magnesium oxide by weight, 1.5 parts of zinc oxide, 0.5 part of aluminium hydroxide, 0.27 part of stearic acid, 0.7 part of altax, 0.72 part of accelerant N A-22, 0.15 part of curing methyl thiuram, 1.15 parts of softening agent sulfuric acid three are oxidized four lead, 0.53 part of dioctyl phthalate (DOP), 1.34 part microcrystalline wax, 1.14 part ODA, 1.12 part N, 4-aminodiphenylamine, 0.25 part of anti-aging agent 445, 6.4 parts of strengthening agent carbon black N660, 5.3 parts of strengthening agent semi-reinforcing hydrocarbon blacks, 3.4 parts of precipitated silicas, 10 parts of calcinated argils, 3.4 parts of calcium carbonate, 1.1 parts of sulphur.
The rail cable sheath material of city described in above-described embodiment 1-4 comprises the steps:
S1, by weight take W type chloroprene rubber and chlorination cis-1,4-polybutadiene rubber and insert in mill mixing evenly, melting temperature is 48-52 ℃;
S2, add successively magnesium oxide, zinc oxide, aluminium hydroxide, stearic acid, altax, accelerant N A-22, curing methyl thiuram, softening agent sulfuric acid three to be oxidized four lead, dioctyl phthalate (DOP), microcrystalline wax, ODA, N by weight, 4-aminodiphenylamine, anti-aging agent 445, strengthening agent carbon black N660, strengthening agent semi-reinforcing hydrocarbon black, precipitated silica, calcinated argil, calcium carbonate, sulphur are mixing evenly;
Lower sheet after S3, sizing material bag roller;
S4, material prepared by S3 are placed in sulfuration on vulcanizing press and obtain city rail cable sheath material, and wherein curing temperature is 143-148 ℃, and curing time is 6-8min.
Above-mentioned city rail cable sheath material is carried out to performance test below, test result is as follows:
1, aging front sheath physical and mechanical properties test result:
| Test event | Standard-required | Test result |
| Tensile strength, MPa | ≥10.0 | 13.8 |
| Elongation at break, % | ≥300 | 805 |
2, heat ageing test, test temperature is 75 ℃, and be 240h heat-up time, and test result is as follows:
| Test event | Standard-required | Test result |
| Tensile strength velocity of variation, % | ≥-15 | -7.3 |
| Elongation at break, % | ≥250 | 760 |
| Extension at break velocity of variation, % | ≥-25 | -5.6 |
3, hot elongation test result, Heating temperature is 200 ℃, and pressure is 20N/cm2, and test result is as follows:
| Test event | Standard-required | Test result |
| Elongation under load, % | ≤175 | 28 |
| Cooling rear tension set, % | ≤25 | 15 |
4, dip test result, temperature when dipping is 100 ℃, and dipping time is 24h, and test result is as follows:
| Test event | Standard-required | Test result |
| Tensile strength velocity of variation, % | ≤±40 | -20.6 |
| Extension at break velocity of variation, % | ≤±40 | -9.6 |
5, flame retardant properties test result is as follows:
| Test event | Standard-required | Test result |
| Smoke density, % | ≤300 | 180 |
| Oxygen index, % | ≥35 | 40.4 |
| Hydrogen halide burst size, mg/g | ≤90 | 25 |
| Poison exponent | ≤5 | 4.44 |
Above-mentioned city rail cable sheath material, use W type chloroprene rubber and chlorination cis-1,4-polybutadiene rubber as base material, and rationally control promoting agent zinc oxide, promoting agent magnesium oxide and the magnesium hydroxide proportioning in this cable sheath, the burst size of hydrogenchloride can significantly reduce neoprene latex burning time, and there is good fire retardant smoke effect, add altax, accelerant N A-22 and curing methyl thiuram share and rationally control content and can extend time of scorch and play the effect that prevents incipient scorch, heat-resisting effect is good, and significantly improve the plasticity-of neoprene latex, accelerant N A-22 is mixed with W type chloroprene rubber, well stress at definite elongation and higher hardness, and tension set is little, heat aging performance is good, NA-22 is mixed with DM, prevent that incipient scorch effect is remarkable, in this kind of cable sheath, add stearic acid and make activator, component is uniformly dispersed, cable sheath surface flatness excellence, microcrystalline wax is as tenderizer, can significantly increase the processing characteristics of sizing material, make sizing material be difficult for roll banding and incipient scorch, due to the easy thermooxidizing of neoprene latex, introduce anti-aging agent 445, ODA, N, 4-aminodiphenylamine and dioctyl phthalate (DOP) can obtain desirable anti-aging effect, be used in conjunction with sulfuric acid three and be oxidized four lead, anti-aging effect excellence, weighting agent precipitated silica, calcinated argil and calcium carbonate can increase rubber volume, reduce costs, improve and mediate performance, and reduce molding shrinkage.
The above; it is only preferably embodiment of the present invention; but protection scope of the present invention is not limited to this; any be familiar with those skilled in the art the present invention disclose technical scope in; be equal to replacement or changed according to technical scheme of the present invention and inventive concept thereof, within all should being encompassed in protection scope of the present invention.
Claims (5)
1. a city rail cable sheath material, it is characterized in that, its raw material comprises major ingredient and auxiliary material, wherein major ingredient comprises 20-25 part W type chloroprene rubber and 13-17 part chlorination cis-1,4-polybutadiene rubber by weight, wherein auxiliary material comprises 1-1.5 part magnesium oxide by weight, 1-1.5 part zinc oxide, 0.5-0.9 part aluminium hydroxide, 0.2-0.4 part stearic acid, 0.5-1 part altax, 0.6-0.8 part accelerant N A-22, 0.1～0.3 part of curing methyl thiuram, 1.0～1.3 parts of softening agent sulfuric acid three are oxidized four lead, 0.45～0.6 part of dioctyl phthalate (DOP), 1.2～1.4 parts of microcrystalline waxes, 0.9～1.2 part of ODA, 0.1～0.15 part of N, 4-aminodiphenylamine, 0.2～0.4 part of anti-aging agent 445, 5～8 parts of strengthening agent carbon black N660, 4.5～6 parts of strengthening agent semi-reinforcing hydrocarbon blacks, 3-4 part precipitated silica, 8～10 parts of calcinated argils, 3～4 parts of calcium carbonate, 0.7-1.4 part sulphur.
2. city according to claim 1 rail cable sheath material, is characterized in that, the weight part of W type chloroprene rubber is 23-25 part, and the weight part of chlorination cis-1,4-polybutadiene rubber is 14-15 part.
3. city according to claim 2 rail cable sheath material, is characterized in that, the weight ratio of W type chloroprene rubber and chlorination cis-1,4-polybutadiene rubber is 12:7.
4. city according to claim 1 rail cable sheath material, is characterized in that magnesium oxide: zinc oxide: the weight ratio of aluminium hydroxide is (2-3): 3:1.
5. according to the city rail cable sheath material described in any one in claim 1-4, described auxiliary material comprises by weight: 1-1.5 part magnesium oxide, 1.5 parts of zinc oxide, 0.5 part of aluminium hydroxide, 0.2-0.4 part stearic acid, 0.6-0.8 part altax, 0.7-0.75 part accelerant N A-22, 0.1～0.3 part of curing methyl thiuram, 1.1-1.2 part softening agent sulfuric acid three is oxidized four lead, 0.5-0.55 part dioctyl phthalate (DOP), 1.3-1.4 part microcrystalline wax, 1.1-1.2 part ODA, 1.11-1.13 part N, 4-aminodiphenylamine, 0.2-0.3 part anti-aging agent 445, 6-7 part strengthening agent carbon black N660, 5-5.5 part strengthening agent semi-reinforcing hydrocarbon black, 3.2-3.5 part precipitated silica, 9-10 part calcinated argil, 3.2-3.5 part calcium carbonate, 0.9-1.2 part sulphur.
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| CN201410023119.0A CN103772777B (en) | 2014-01-18 | 2014-01-18 | A kind of city rail cable sheath material |
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| CN103772777B CN103772777B (en) | 2015-08-12 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104448454A (en) * | 2014-11-26 | 2015-03-25 | 高忠青 | Modified chlorobutadiene rubber material for cable insulating layers |
| CN106117825A (en) * | 2016-07-25 | 2016-11-16 | 安徽德源电缆集团有限公司 | A kind of preparation method of ethylene propylene rubber insulated polychloroprene sheathed cable sheath material |
| CN108623867A (en) * | 2018-04-23 | 2018-10-09 | 太和县彬峰绳网有限公司 | A kind of anti-aging fire retardant glue rope |
| CN109134989A (en) * | 2018-06-22 | 2019-01-04 | 安徽旺达铜业发展有限公司 | A kind of wear-resisting stretch-proof cable jacket material and preparation method thereof |
| CN110010290A (en) * | 2019-04-17 | 2019-07-12 | 济南鸿泰华丰机械有限公司 | A kind of weather-proof long-life type power cable |
| CN112358667A (en) * | 2020-12-01 | 2021-02-12 | 中国第一汽车股份有限公司 | Rubber composition and preparation method and application thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104448454A (en) * | 2014-11-26 | 2015-03-25 | 高忠青 | Modified chlorobutadiene rubber material for cable insulating layers |
| CN106117825A (en) * | 2016-07-25 | 2016-11-16 | 安徽德源电缆集团有限公司 | A kind of preparation method of ethylene propylene rubber insulated polychloroprene sheathed cable sheath material |
| CN108623867A (en) * | 2018-04-23 | 2018-10-09 | 太和县彬峰绳网有限公司 | A kind of anti-aging fire retardant glue rope |
| CN109134989A (en) * | 2018-06-22 | 2019-01-04 | 安徽旺达铜业发展有限公司 | A kind of wear-resisting stretch-proof cable jacket material and preparation method thereof |
| CN110010290A (en) * | 2019-04-17 | 2019-07-12 | 济南鸿泰华丰机械有限公司 | A kind of weather-proof long-life type power cable |
| CN112358667A (en) * | 2020-12-01 | 2021-02-12 | 中国第一汽车股份有限公司 | Rubber composition and preparation method and application thereof |
| CN112358667B (en) * | 2020-12-01 | 2022-05-17 | 中国第一汽车股份有限公司 | Rubber composition and preparation method and application thereof |
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| CN103772777B (en) | 2015-08-12 |
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