CN103665881A - Fire-resistant silicone rubber cable material and preparation method thereof - Google Patents
Fire-resistant silicone rubber cable material and preparation method thereof Download PDFInfo
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- CN103665881A CN103665881A CN201210326488.8A CN201210326488A CN103665881A CN 103665881 A CN103665881 A CN 103665881A CN 201210326488 A CN201210326488 A CN 201210326488A CN 103665881 A CN103665881 A CN 103665881A
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Abstract
The invention belongs to the field of fire-resistant materials, and particularly relates to a fire-resistant silicone rubber cable material. The fire-resistant silicone rubber cable material is mainly prepared from the following raw materials in parts by weight: 100 parts of phenyl silicone rubber, 6-10 parts of hydroxyl silicone oil, 20-30 parts of white carbon black, 10-15 parts of heavy calcium carbonate, 0.5-1 part of a vulcanizing agent, 2 parts of an anti-ageing agent, 0.3-0.5 part of an accelerant, 0.5-4 parts of a co-curing agent, 15-25 parts of a flame retardant and 2-3 parts of a heat stabilizer. The fire-resistant silicone rubber cable material disclosed by the invention has the advantages of stable fire resistance, high insulating performance and high mechanical performance.
Description
Technical field
The invention belongs to fire resisting material field, be specifically related to a kind of fire-resistant silicon rubber CABLE MATERIALS and preparation method thereof.
Background technology
In the last few years, large-scale place of public amusement, chemical industry, colliery, mall fire caused after painful people's life and property heavy losses, and people have had more deep understanding to fire-fighting, fire safety.Sharp increase along with urban population, Highrise buildings, hotel, large supermarket, hospital, station, airport constantly increase, the construction of subway, tunnel traffic, and the increase of large-scale Public Physical Education, public place of entertainment, public transit facility, the importance of fire-fighting, fire safety shows especially out.How, the in the situation that of fire, ensure within a certain period of time the unimpeded of electric power and communication, win to greatest extent valuable rescue time, reduce personnel's injures and deaths and the loss of lives and properties, this is that people are always in the problem of constantly exploring.
Electric wire is distributed widely in each corners such as power plant, underground installation, building, once presence of fire rapid spread bring massive losses will to people's life and property.Flame resistant cable is a kind of when there is burning, still can guarantee the cable of circuit normal operation in certain hour, when presence of fire, can continue transmission of electric energy and signal.
Common flame resistant cable has mineral insulation flame resistant cable and silicon rubber insulating fire-proof cable, mica tape polyvinyl chloride insulation and sheath fire-resistant cable etc. at present, the former working (machining) efficiency is low, cost is high, the latter can produce toxic gas when burning, transmittance is low, can not meet high stability, the high-environmental requirement of modern halogen-free cable.
Summary of the invention
The problem existing for solving above-mentioned prior art, the present invention aims to provide a kind of fire-resistant silicon rubber CABLE MATERIALS, and the preparation method of described fire-resistant silicon rubber is provided simultaneously.
Particularly, contriver provides following technical scheme:
A fire-resistant silicon rubber CABLE MATERIALS, is mainly prepared by following weight parts raw material:
100 parts of phenyl siloxane rubbers (being methyl phenyl vinyl silicone rubber), hydroxy silicon oil 6-10 part, white carbon black 20-30 part, water-ground limestone 10-15 part, vulcanizing agent 0.5-1 part, 2 parts, anti-aging agent, promotor 0.3-0.5 part, cocuring agent 0.5-4 part, fire retardant 15-25 part, thermo-stabilizer 2-3 part.
Fire-resistant silicon rubber CABLE MATERIALS of the present invention, is to take phenyl siloxane rubber as base material, adds hydroxyl silicone oil, white carbon black, water-ground limestone, vulcanizing agent, anti-aging agent, promotor, cocuring agent, fire retardant and thermo-stabilizer etc. different substances is mixing to form.
Phenyl siloxane rubber is silicon raw rubber, it is a kind of amorphism polymkeric substance, the intensity of its cross-linked rubber is lower, add after white carbon black, between three kinds of groups that can be by white carbon black surface and the hydrogen bond of polysilane, interact and improve the intensity of silicon rubber, gas-phase silica is a kind of strengthening agent filler, and it can make inflaming retarding high-temperature sulphurated siliastic have good mechanical property, can make again inflaming retarding high-temperature sulphurated siliastic have good flame retardancy, be a kind of good mineral filler; Increase along with white carbon black consumption, the intensity of silicon rubber can decline to some extent, therefore, add hydroxy silicon oil can play ramollescence as constitution controller. can make again the over-all properties of silicon rubber increase, can avoid glue stuff compounding storage period long, produce " structurizing " sizing material hardening become fragile, be difficult to process; Water-ground limestone, anti-aging agent, promotor, as additive, can be improved the performances such as shock resistance, antifatigue, dimensional stability and gas-barrier of phenyl siloxane rubber, thereby play the effect that strengthens polymkeric substance comprehensive physical performance, improve materiel machining performance simultaneously; In the time of vulcanizing agent and cocuring agent, add, can accelerated cure speed of response.Fire retardant and thermo-stabilizer add the fire stability that greatly improves phenyl siloxane rubber.
As preferably, in the present invention, described phenyl siloxane rubber is low-phenyl silicone rubber, and phenyl content reaches C
6h
5/ Si=6 ~ 11% be low-phenyl silicone rubber, there is the feature of resistance to ablation.
As preferably, in the present invention, described white carbon black is gas-phase silica.
As preferably, in the present invention, described water-ground limestone is ultrafine active heavy calcium carbonate, and its granularity is more than 1000 orders.
As preferably, in the present invention, described vulcanizing agent is 2,5-di-tert-butyl peroxide-2,5-methyl hexane (be commonly called as vulcanizing agent two 2,5,101, two 2,5, two two or five, vulcanizing agent two 25); Cocuring agent is cyanacrylate (being linking agent TAIC).Cocuring agent need to vulcanizing agent use, can shorten significantly curing time, improve intensity, wear resistance, resistance to dissolubility, erosion resistance.
As preferably, in the present invention, described anti-aging agent is antioxidant D TPD.
As preferably, in the present invention, described promotor is Vulcanization accelerator TMTD.
As preferably, in the present invention, described fire retardant is silicon carbide, is a kind of halogen-free inorganic flame retardant.The high-temperature silicon disulfide rubber that contains fire retardant is in combustion processes, tend to produce smog and toxic gas, this is the major cause that causes personnel death in fire, silicon carbide is a kind of reasonable mineral filler that can suppress to be fuming and catch toxic gas, and its hardness is very large, has good heat conductivility, can be anti-oxidant during high temperature, thermal expansion is again little, and heat-shock resistance is very high, is the refractory materials of high-quality.
As preferably, in the present invention, described thermo-stabilizer is a kind of nano composite material, model: VK-B04.This thermo-stabilizer is a kind of silicon rubber special hot stablizer, can prevent the cyclisation depolymerization of the oxidation cross-linked and main chain of side chain as heat-resisting additive, thereby improves the thermo-oxidative stability of silicon rubber side group.
The present invention also provides the preparation method of above-mentioned a kind of fire-resistant silicon rubber CABLE MATERIALS, comprising:
In phenyl siloxane rubber, add white carbon black, hydroxy silicon oil and other auxiliary agents, after mixing, in mill, add vulcanizing agent and cocuring agent, then pass through mold pressing, extrude making articles.
Compared with prior art, the present invention also has the following advantages:
Fire-resistant silicon rubber CABLE MATERIALS of the present invention has that fire performance is stable, and insulating property are high, the advantage of good mechanical property, and its preparation method has advantages of that technique is simple, non-environmental-pollution, three-waste free discharge.
In fire testing, find, in higher than 950 ℃ of flame environments, CABLE MATERIALS of the present invention is after burning for some time, can firmly be attached to conductive surface and form the high-temperature insulation flame retardant coating with intensity, difficult drop-off, thereby can guarantee that cable keeps energising in flame environment, can improve the reliability of flame resistant cable greatly.
Embodiment
Below in conjunction with embodiment, be described more specifically content of the present invention.It should be pointed out that embodiment is only the more representational example of the present invention.Obviously, technical scheme of the present invention is not limited to following embodiment, can also have many distortion.Every all distortion of directly deriving or associate from content disclosed by the invention, all should think protection scope of the present invention.
In the present invention, if not refer in particular to, all part, per-cents are weight unit, and all equipment and raw material etc. all can be buied from market or the industry is conventional.Method in following embodiment, if no special instructions, is the ordinary method of this area.
The starting material source of main use:
Ultrafine active heavy calcium carbonate >=1000 order, Changxing the earth type material company limited produces,
Stablizer, model: VK-B04, Hangzhou red-spotted stonecrop nanosecond science and technology company limited produces.
embodiment 1
According to the formula under 1 of the embodiment in table 1, prepare the raw material of fire-resistant silicon rubber CABLE MATERIALS.
The preparation method of fire-resistant silicon rubber CABLE MATERIALS is as follows:
In low-phenyl silicone rubber, add hydroxy silicon oil, gas-phase silica, ultrafine active heavy calcium carbonate, anti-aging agent, promotor, fire retardant and thermo-stabilizer, after mixing through 30 minutes, in mill, add vulcanizing agent and cocuring agent, then pass through mold pressing, extrude, make fire-resistant silicon rubber CABLE MATERIALS goods.
embodiment 2-6
According to the formula under the embodiment 2-6 item in table 1, prepare the raw material of fire-resistant silicon rubber CABLE MATERIALS.
The preparation method of fire-resistant silicon rubber CABLE MATERIALS is with embodiment 1.
comparative example
According to the comparative example formula prepared silicon rubber raw materials in table 1.
Silicon rubber preparation method is as follows:
In low-phenyl silicone rubber, add hydroxy silicon oil, gas-phase silica, ultrafine active heavy calcium carbonate, anti-aging agent and promotor, after mixing through 30 minutes, in mill, add vulcanizing agent, then pass through mold pressing, extrude, make fire-resistant silicon rubber CABLE MATERIALS goods.
By the fire-resistant silicon rubber CABLE MATERIALS obtaining, tensile property is pressed GB/T528-92 mensuration, hardness is measured by GB 2439-89 by GB/T531-92 mensuration, volume specific resistance, and detected result is in Table 2.
By the fire-resistant silicon rubber cable of preparation, according to circuit integrity test the 21st part of GB/T 19216.21-2003 < < cable or optical cable under flame condition: fire-resistant test is carried out in the requirement of testing sequence and requirement-voltage rating 0.6/1.0 kV and following cable > >, and detected result is in Table 2.
Table 1 embodiment and comparative example composition of raw materials (units/kg)
Table 2 embodiment and comparative example detected result
Claims (10)
1. a fire-resistant silicon rubber CABLE MATERIALS, is characterized in that, described fire-resistant silicon rubber CABLE MATERIALS is mainly prepared by following weight parts raw material:
100 parts of phenyl siloxane rubbers, hydroxy silicon oil 6-10 part, white carbon black 20-30 part, water-ground limestone 10-15 part, vulcanizing agent 0.5-1 part, 2 parts, anti-aging agent, promotor 0.3-0.5 part, cocuring agent 0.5-4 part, fire retardant 15-25 part, thermo-stabilizer 2-3 part.
2. fire-resistant silicon rubber CABLE MATERIALS as claimed in claim 1, is characterized in that, described phenyl siloxane rubber is low-phenyl silicone rubber.
3. fire-resistant silicon rubber CABLE MATERIALS as claimed in claim 1, is characterized in that, described white carbon black is gas-phase silica.
4. fire-resistant silicon rubber CABLE MATERIALS as claimed in claim 1, is characterized in that, described water-ground limestone is ultrafine active heavy calcium carbonate, and its granularity is more than 1000 orders.
5. fire-resistant silicon rubber CABLE MATERIALS as claimed in claim 1, is characterized in that, described vulcanizing agent is 2,5-di-tert-butyl peroxide-2,5-methyl hexane; Cocuring agent is cyanacrylate.
6. fire-resistant silicon rubber CABLE MATERIALS as claimed in claim 1, is characterized in that, described anti-aging agent is antioxidant D TPD.
7. fire-resistant silicon rubber CABLE MATERIALS as claimed in claim 1, is characterized in that, described promotor is Vulcanization accelerator TMTD.
8. fire-resistant silicon rubber CABLE MATERIALS as claimed in claim 1, is characterized in that, described fire retardant is silicon carbide.
9. fire-resistant silicon rubber CABLE MATERIALS as claimed in claim 1, is characterized in that, described thermo-stabilizer is a kind of nano composite material, model: VK-B04.
10. a preparation method for the fire-resistant silicon rubber CABLE MATERIALS as described in one of claim 1-9, is characterized in that comprising:
In phenyl siloxane rubber, add white carbon black, hydroxy silicon oil and other auxiliary agents, after mixing, in mill, add vulcanizing agent and cocuring agent, then pass through mold pressing, extrude making articles.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210326488.8A CN103665881A (en) | 2012-09-06 | 2012-09-06 | Fire-resistant silicone rubber cable material and preparation method thereof |
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| CN201210326488.8A CN103665881A (en) | 2012-09-06 | 2012-09-06 | Fire-resistant silicone rubber cable material and preparation method thereof |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104817844A (en) * | 2015-05-19 | 2015-08-05 | 西北橡胶塑料研究设计院有限公司 | Fireproof heat-insulation silicon rubber and preparation method thereof |
| CN104962082A (en) * | 2015-07-31 | 2015-10-07 | 苏州新区特氟龙塑料制品厂 | Organic silicon rubber having good protective property and used for cable |
| CN105713392A (en) * | 2016-03-25 | 2016-06-29 | 安徽瑞侃电缆科技有限公司 | Aluminum conductor power cable material with excellent mechanical property |
| CN105820578A (en) * | 2016-04-21 | 2016-08-03 | 苏州市双虎科技有限公司 | High-mechanical-strength material for cable insulation |
| CN105885422A (en) * | 2016-05-20 | 2016-08-24 | 安徽新科电缆集团股份有限公司 | Flame-retardant cable sheath and preparation method thereof |
| CN105885424A (en) * | 2016-06-12 | 2016-08-24 | 安徽天元电缆有限公司 | Fire-proof material for power cable |
| CN105885432A (en) * | 2016-06-12 | 2016-08-24 | 安徽天元电缆有限公司 | Ceramized low-smoke zero-halogen fire-proof material for cable |
| CN106349702A (en) * | 2016-08-23 | 2017-01-25 | 陈建琴 | High-strength silicone rubber material for cable |
| CN106832950A (en) * | 2016-12-14 | 2017-06-13 | 东至绿洲环保化工有限公司 | A kind of silicon rubber of fire resistant anticorrosive |
| CN106977925A (en) * | 2017-04-10 | 2017-07-25 | 武汉理工大学 | A kind of silicon rubber base heat-resisting composite and preparation method thereof |
| CN107103952A (en) * | 2017-06-05 | 2017-08-29 | 三峡大学 | A kind of insulated flame-resistant cable of silicon-carbon doping and preparation method thereof |
| CN107868277A (en) * | 2017-11-20 | 2018-04-03 | 东莞豪峻橡塑有限公司 | A kind of environmentally friendly crosslinking agent and preparation method thereof |
| CN113480867A (en) * | 2021-07-27 | 2021-10-08 | 晶锋集团股份有限公司 | Novel fluorine material high-temperature-resistant control cable material and preparation method thereof |
-
2012
- 2012-09-06 CN CN201210326488.8A patent/CN103665881A/en not_active Withdrawn
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104817844A (en) * | 2015-05-19 | 2015-08-05 | 西北橡胶塑料研究设计院有限公司 | Fireproof heat-insulation silicon rubber and preparation method thereof |
| CN104817844B (en) * | 2015-05-19 | 2018-02-16 | 西北橡胶塑料研究设计院有限公司 | Fire-proof and thermal-insulation silicon rubber and preparation method thereof |
| CN104962082A (en) * | 2015-07-31 | 2015-10-07 | 苏州新区特氟龙塑料制品厂 | Organic silicon rubber having good protective property and used for cable |
| CN105713392A (en) * | 2016-03-25 | 2016-06-29 | 安徽瑞侃电缆科技有限公司 | Aluminum conductor power cable material with excellent mechanical property |
| CN105820578A (en) * | 2016-04-21 | 2016-08-03 | 苏州市双虎科技有限公司 | High-mechanical-strength material for cable insulation |
| CN105885422A (en) * | 2016-05-20 | 2016-08-24 | 安徽新科电缆集团股份有限公司 | Flame-retardant cable sheath and preparation method thereof |
| CN105885432A (en) * | 2016-06-12 | 2016-08-24 | 安徽天元电缆有限公司 | Ceramized low-smoke zero-halogen fire-proof material for cable |
| CN105885424A (en) * | 2016-06-12 | 2016-08-24 | 安徽天元电缆有限公司 | Fire-proof material for power cable |
| CN106349702A (en) * | 2016-08-23 | 2017-01-25 | 陈建琴 | High-strength silicone rubber material for cable |
| CN106832950A (en) * | 2016-12-14 | 2017-06-13 | 东至绿洲环保化工有限公司 | A kind of silicon rubber of fire resistant anticorrosive |
| CN106977925A (en) * | 2017-04-10 | 2017-07-25 | 武汉理工大学 | A kind of silicon rubber base heat-resisting composite and preparation method thereof |
| CN106977925B (en) * | 2017-04-10 | 2020-01-14 | 武汉理工大学 | Silicone rubber-based heat-resistant composite material and preparation method thereof |
| CN107103952A (en) * | 2017-06-05 | 2017-08-29 | 三峡大学 | A kind of insulated flame-resistant cable of silicon-carbon doping and preparation method thereof |
| CN107868277A (en) * | 2017-11-20 | 2018-04-03 | 东莞豪峻橡塑有限公司 | A kind of environmentally friendly crosslinking agent and preparation method thereof |
| CN113480867A (en) * | 2021-07-27 | 2021-10-08 | 晶锋集团股份有限公司 | Novel fluorine material high-temperature-resistant control cable material and preparation method thereof |
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