CN103788579A - High-temperature resistant urban rail cable sheath material - Google Patents

High-temperature resistant urban rail cable sheath material Download PDF

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Publication number
CN103788579A
CN103788579A CN201410023261.5A CN201410023261A CN103788579A CN 103788579 A CN103788579 A CN 103788579A CN 201410023261 A CN201410023261 A CN 201410023261A CN 103788579 A CN103788579 A CN 103788579A
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China
Prior art keywords
cable sheath
temperature resistant
rail cable
temperature
mixing
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Granted
Application number
CN201410023261.5A
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Chinese (zh)
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CN103788579B (en
Inventor
毛爱民
张学武
梁继强
卢英鹏
范德俊
翟德玉
章少东
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ANHUI HUALIAN CABLE GROUP Co Ltd
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ANHUI HUALIAN CABLE GROUP Co Ltd
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Priority to CN201410023261.5A priority Critical patent/CN103788579B/en
Publication of CN103788579A publication Critical patent/CN103788579A/en
Application granted granted Critical
Publication of CN103788579B publication Critical patent/CN103788579B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention discloses a high-temperature resistant urban rail cable sheath material, which comprises major ingredients and auxiliaries, wherein the major ingredients comprise epoxy resin, chloroprene rubber and natural rubber; the auxiliaries comprise zinc oxide, a ferric oxide activating agent, barium oxide, stearic acid, methylthiuram disulfide N,N-bi(epsilon-caprolactam)disulfide, ethylene thiourea, tribasic lead sulfate, dioctyl phthalate, microcrystalline wax, an anti-aging agent IPPD, octyl decyl adipate, an anti-aging agent 445, high-abrasion resistance carbon black, titanium dioxide, diatomaceous earth and calcium carbonate. A preparation method for the high-temperature resistant urban rail cable sheath material comprises the following steps of uniformly mixing the major ingredients at mixing temperature of 63 to 67 DEG C in an open mill, adding the auxiliaries and uniformly mixing; vulcanizing the obtained material mixture on a flat vulcanizing machine to obtain the high-temperature resistant urban rail cable sheath material, wherein the vulcanizing temperature is 145 to 148 DEG C, and the vulcanizing time is 2 to 4 minutes. The high-temperature resistant urban rail cable sheath material is flame-retardant, environment-friendly and long in service life.

Description

A kind of high temperature resistant city rail cable sheath material
Technical field
The present invention relates to city rail cable sheath material technical field, relate in particular to a kind of high temperature resistant 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 fire-retardant, environmental protection, the city rail cable sheath material of long service life becomes the current technical issues that need to address.
Summary of the invention
The present invention proposes a kind of high temperature resistant city rail cable sheath material, fire-retardant, environmental protection, work-ing life is longer.
The high temperature resistant city of the one rail cable sheath material that the present invention proposes, comprises major ingredient and auxiliary material:
Described major ingredient comprises by weight: 23-28 part epoxy resin, 12-16 part chloroprene rubber and 12-19 part natural rubber;
Described auxiliary material comprises by weight: 0.9-1.3 part zinc oxide, 0.5-1.2 part promoting agent ferric oxide, 0.4-0.6 part barium oxide, 0.6-0.8 part stearic acid, 0.3-0.5 part curing methyl thiuram, 1.1-1.4 part N, N-bis-(ε-caprolactam) disulphide, 0.15-0.3 part ethylene thiourea, 0.6-0.9 part sulfuric acid three is oxidized four lead, 0.3-0.6 part dioctyl phthalate (DOP), 1.2-1.5 part microcrystalline wax, 0.5-1 part anti-aging agent IPPD, 0.5-1 part ODA, 0.13-0.4 part anti-aging agent 445, 3-5 part high wear-resistant carbon black, 6-9 part titanium dioxide, 3-5 part diatomite, 9-12 part calcium carbonate,
Described major ingredient is inserted to mixing in mill evenly melting temperature is 63-67 ℃, then add described auxiliary material mixing evenly; The mixing material obtaining is placed on vulcanizing press and vulcanizes and obtain high temperature resistant city rail cable sheath material, and wherein curing temperature is 145-148 ℃, and curing time is 2-4min.
Preferably, the weight ratio of epoxy resin, chloroprene rubber and natural rubber is (6-7)/4/(3-4).
Preferably, zinc oxide, promoting agent ferric oxide and barytic weight ratio are (3-4)/(2-3)/(1-2).
Preferably, in mixing process, melting temperature is 64-66 ℃.
Preferably, in sulfidation, curing temperature is 146-147 ℃, and curing time is 2-3min.
In the present invention, use epoxy resin, chloroprene rubber and natural rubber are used in conjunction with as base material, and rationally control promoting agent ferric oxide, barium oxide and the zinc oxide 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 ethylene thiourea, curing methyl thiuram and N, N-bis-(ε-caprolactam) disulphide shares and rationally controls 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, curing methyl thiuram and N, N-bis-(ε-caprolactam) disulphide coordinates can significantly accelerate vulcanization rate, not only can reduce the usage quantity of curing methyl thiuram, and burning does not produce carcinogenic substance, environmental protection, 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 IPPD, ODA, dioctyl phthalate (DOP) and anti-aging agent 445 can obtain desirable anti-aging effect, be used in conjunction with sulfuric acid three and be oxidized four lead, anti-aging effect excellence, reinforcing filler uses high wear-resistant carbon black, titanium dioxide, diatomite and calcium carbonate can increase rubber volume, reduce costs, improve and mediate performance, and reduce molding shrinkage.
Embodiment
Embodiment 1
A kind of high temperature resistant city rail cable sheath material, comprises major ingredient and auxiliary material:
Described major ingredient comprises by weight: 27 parts of epoxy resin, 13 parts of chloroprene rubbers and 18 parts of natural rubbers;
Described auxiliary material comprises by weight: 1.2 parts of zinc oxide, 0.8 part of promoting agent ferric oxide, 0.5 part of barium oxide, 0.6 part of stearic acid, 0.4 part of curing methyl thiuram, 1.1 parts of N, and N-bis-(ε-caprolactam) disulphide, 0.15 part of ethylene thiourea, 0.8 part of sulfuric acid three are oxidized four lead, 0.5 part of dioctyl phthalate (DOP), 1.3 parts of microcrystalline waxes, 0.7 part of anti-aging agent IPPD, 0.7 part of ODA, 445,3.4 parts of high wear-resistant carbon blacks of 0.22 part of anti-aging agent, 8.7 parts of titanium dioxides, 4.5 parts of diatomite, 9.9 parts of calcium carbonate;
Described major ingredient is inserted to mixing in mill evenly melting temperature is 66 ℃, then add described auxiliary material mixing evenly; The mixing material obtaining is placed on vulcanizing press and vulcanizes and obtain high temperature resistant city rail cable sheath material, and wherein curing temperature is 147 ℃, and curing time is 2min.
Embodiment 2
A kind of high temperature resistant city rail cable sheath material, comprises major ingredient and auxiliary material:
Described major ingredient comprises by weight: 27 parts of epoxy resin, 15 parts of chloroprene rubbers and 18 parts of natural rubbers;
Described auxiliary material comprises by weight: 1.2 parts of zinc oxide, 0.6 part of promoting agent ferric oxide, 0.5 part of barium oxide, 0.8 part of stearic acid, 0.4 part of curing methyl thiuram, 1.3 parts of N, and N-bis-(ε-caprolactam) disulphide, 0.2 part of ethylene thiourea, 0.8 part of sulfuric acid three are oxidized four lead, 0.45 part of dioctyl phthalate (DOP), 1.3 parts of microcrystalline waxes, 0.9 part of anti-aging agent IPPD, 0.5 part of ODA, 445,4.4 parts of high wear-resistant carbon blacks of 0.2 part of anti-aging agent, 8 parts of titanium dioxides, 3.5 parts of diatomite, 10 parts of calcium carbonate;
Described major ingredient is inserted to mixing in mill evenly melting temperature is 65 ℃, then add described auxiliary material mixing evenly; The mixing material obtaining is placed on vulcanizing press and vulcanizes and obtain high temperature resistant city rail cable sheath material, and wherein curing temperature is 148 ℃, and curing time is 3min.
Embodiment 3
A kind of high temperature resistant city rail cable sheath material, comprises major ingredient and auxiliary material:
Described major ingredient comprises by weight: 28 parts of epoxy resin, 16 parts of chloroprene rubbers and 13 parts of natural rubbers;
Described auxiliary material comprises by weight: 1 part of zinc oxide, 1.1 parts of promoting agent ferric oxide, 0.5 part of barium oxide, 0.7 part of stearic acid, 0.4 part of curing methyl thiuram, 1.3 parts of N, and N-bis-(ε-caprolactam) disulphide, 0.25 part of ethylene thiourea, 0.8 part of sulfuric acid three are oxidized four lead, 0.33 part of dioctyl phthalate (DOP), 1.25 parts of microcrystalline waxes, 0.9 part of anti-aging agent IPPD, 0.68 part of ODA, 445,4.4 parts of high wear-resistant carbon blacks of 0.24 part of anti-aging agent, 8.8 parts of titanium dioxides, 3.55 parts of diatomite, 11 parts of calcium carbonate;
Described major ingredient is inserted to mixing in mill evenly melting temperature is 66 ℃, then add described auxiliary material mixing evenly; The mixing material obtaining is placed on vulcanizing press and vulcanizes and obtain high temperature resistant city rail cable sheath material, and wherein curing temperature is 146 ℃, and curing time is 2min.
Embodiment 4
A kind of high temperature resistant city rail cable sheath material, comprises major ingredient and auxiliary material:
Described major ingredient comprises by weight: 25 parts of epoxy resin, 16 parts of chloroprene rubbers and 13 parts of natural rubbers;
Described auxiliary material comprises by weight: 1.1 parts of zinc oxide, 0.8 part of promoting agent ferric oxide, 0.5 part of barium oxide, 0.6-0.8 part stearic acid, 0.45 part of curing methyl thiuram, 1.3 parts of N, and N-bis-(ε-caprolactam) disulphide, 0.25 part of ethylene thiourea, 0.8 part of sulfuric acid three are oxidized four lead, 0.52 part of dioctyl phthalate (DOP), 1.45 parts of microcrystalline waxes, 0.8 part of anti-aging agent IPPD, 0.48 part of ODA, 445,4.5 parts of high wear-resistant carbon blacks of 0.32 part of anti-aging agent, 8.5 parts of titanium dioxides, 4.5 parts of diatomite, 10.4 parts of calcium carbonate;
Described major ingredient is inserted to mixing in mill evenly melting temperature is 64 ℃, then add described auxiliary material mixing evenly; The mixing material obtaining is placed on vulcanizing press and vulcanizes and obtain high temperature resistant city rail cable sheath material, and wherein curing temperature is 145 ℃, and curing time is 2min.
Above-mentioned high temperature resistant 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 15
Elongation at break, % ≥300 750
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 -4.5
Elongation at break, % ≥250 580
Extension at break velocity of variation, % ≥-25 -11
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 35
Cooling rear tension set, % ≤25 8
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 -14.7
Extension at break velocity of variation, % ≤±40 -10.2
5, flame retardant properties test result is as follows:
Test event Standard-required Test result
Smoke density, % ≤300 150
Oxygen index, % ≥35 67
Hydrogen halide burst size, mg/g ≤90 35
Poison exponent ≤5 4.1
Above-mentioned high temperature resistant city rail cable sheath material, use epoxy resin, chloroprene rubber and natural rubber are used in conjunction with as base material, and rationally control promoting agent ferric oxide, barium oxide and the zinc oxide 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 ethylene thiourea, curing methyl thiuram and N, N-bis-(ε-caprolactam) disulphide shares and rationally controls 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, curing methyl thiuram and N, N-bis-(ε-caprolactam) disulphide coordinates can significantly accelerate vulcanization rate, not only can reduce the usage quantity of curing methyl thiuram, and burning does not produce carcinogenic substance, environmental protection, 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 IPPD, ODA, dioctyl phthalate (DOP) and anti-aging agent 445 can obtain desirable anti-aging effect, be used in conjunction with sulfuric acid three and be oxidized four lead, anti-aging effect excellence, reinforcing filler uses high wear-resistant carbon black, titanium dioxide, diatomite 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 high temperature resistant city rail cable sheath material, is characterized in that, comprises major ingredient and auxiliary material:
Described major ingredient comprises by weight: 23-28 part epoxy resin, 12-16 part chloroprene rubber and 12-19 part natural rubber;
Described auxiliary material comprises by weight: 0.9-1.3 part zinc oxide, 0.5-1.2 part promoting agent ferric oxide, 0.4-0.6 part barium oxide, 0.6-0.8 part stearic acid, 0.3-0.5 part curing methyl thiuram, 1.1-1.4 part N, N-bis-(ε-caprolactam) disulphide, 0.15-0.3 part ethylene thiourea, 0.6-0.9 part sulfuric acid three is oxidized four lead, 0.3-0.6 part dioctyl phthalate (DOP), 1.2-1.5 part microcrystalline wax, 0.5-1 part anti-aging agent IPPD, 0.5-1 part ODA, 0.13-0.4 part anti-aging agent 445, 3-5 part high wear-resistant carbon black, 6-9 part titanium dioxide, 3-5 part diatomite, 9-12 part calcium carbonate,
Described major ingredient is inserted to mixing in mill evenly melting temperature is 63-67 ℃, then add described auxiliary material mixing evenly; The mixing material obtaining is placed on vulcanizing press and vulcanizes and obtain high temperature resistant city rail cable sheath material, and wherein curing temperature is 145-148 ℃, and curing time is 2-4min.
2. high temperature resistant city according to claim 1 rail cable sheath material, is characterized in that, the weight ratio of epoxy resin, chloroprene rubber and natural rubber is (6-7)/4/(3-4).
3. high temperature resistant city according to claim 1 rail cable sheath material, is characterized in that, zinc oxide, promoting agent ferric oxide and barytic weight ratio are (3-4)/(2-3)/(1-2).
4. according to the high temperature resistant city rail cable sheath material described in any one in claim 1-3, it is characterized in that, in mixing process, melting temperature is 64-66 ℃.
5. high temperature resistant city according to claim 4 rail cable sheath material, is characterized in that, in sulfidation, curing temperature is 146-147 ℃, and curing time is 2-3min.
CN201410023261.5A 2014-01-18 2014-01-18 A kind of high temperature resistant city rail cable sheath material Expired - Fee Related CN103788579B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104882209A (en) * 2015-06-09 2015-09-02 尹红 Halogen-free flame-retardant fireproof cable
CN105185436A (en) * 2015-07-26 2015-12-23 尹红 Single-core fireproof flame-retardant high-voltage cable
CN105504690A (en) * 2016-01-12 2016-04-20 芜湖航天特种电缆厂股份有限公司 Kieselguhr-modified anti-aging cable insulation material and preparation method thereof
CN107141541A (en) * 2017-06-07 2017-09-08 合肥励仙电力工程有限公司 A kind of cable cover(ing) and preparation method thereof
CN107915957A (en) * 2017-11-27 2018-04-17 安徽华星电缆集团有限公司 A kind of flame retardant cable heat-resisting material

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CN102504373A (en) * 2011-11-28 2012-06-20 山东省自主创新促进中心 Environment-friendly and flame retardant type stereo garage
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CN101314654A (en) * 2008-06-10 2008-12-03 江西电缆有限责任公司 Jacket formula for rubber jacketed flame-proof cable and production method thereof
CN101824172A (en) * 2010-04-16 2010-09-08 青岛科技大学 Preparation method of high temperature and high pressure resistant rubber sealing material
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104882209A (en) * 2015-06-09 2015-09-02 尹红 Halogen-free flame-retardant fireproof cable
CN105185436A (en) * 2015-07-26 2015-12-23 尹红 Single-core fireproof flame-retardant high-voltage cable
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CN105504690A (en) * 2016-01-12 2016-04-20 芜湖航天特种电缆厂股份有限公司 Kieselguhr-modified anti-aging cable insulation material and preparation method thereof
CN107141541A (en) * 2017-06-07 2017-09-08 合肥励仙电力工程有限公司 A kind of cable cover(ing) and preparation method thereof
CN107915957A (en) * 2017-11-27 2018-04-17 安徽华星电缆集团有限公司 A kind of flame retardant cable heat-resisting material

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