CN102260387B - 125 DEG C weather-resistant cross-linking low-smoke and halogen-free polyolefin cable material - Google Patents
125 DEG C weather-resistant cross-linking low-smoke and halogen-free polyolefin cable material Download PDFInfo
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Abstract
The invention discloses a 125 DEG C weather-resistant cross-linking low-smoke and halogen-free polyolefin cable material. The 125 DEG C weather-resistant cross-linking low-smoke and halogen-free polyolefin cable material comprises the following components of: 65-75 parts of EVA (Ethylene Vinyl Acetute), 25-35 parts of HDPE (High-Density Polyethylene), 6-10 parts of SBS (styrene-butadiene-styrene), 45-60 parts of fire retardant B, 6-10 parts of fire retardant A, 1-1.5 parts of antioxidant, 0.5-1 part of lubricating agent and 4-5 parts of cross-linking agent, wherein the fire retardant B is a mixture of Al(OH)3 and Mg(OH)2 according to a mixing ratio of 1:1; the fire retardant A is a PE (Polyurethane) fire retardant; the antioxidant is a Clariant antioxidant OSP-1; the cross-linking agent is dialkane peroxide; and the lubricating agent is stearic acid. The 125 DEG C weather-resistant cross-linking low-smoke and halogen-free polyolefin cable material disclosed by the invention has the characteristics of excellent high temperature resistance, high insulation resistance, high mechanical property, long service life, low smoke, non-toxicity and the like.
Description
Technical field
The present invention relates to the CABLE MATERIALS that special cable is used, especially a kind of 125 ℃ of weather-proof cross-linking low-smoke halogen-free cable material of polyolefin.
Background technology
Along with rapid economic development, electric wire all is widely used in industry-by-industry, field.Along with the frequent generation of electrical fire accident, the fire-retardant problem of electric wire causes the attention of countries in the world gradually.Discharging a large amount of smog and poisonous, corrosive gas during cable fire is Hazard Factor in the fire, has hindered people's safe escape and fire-fighting work in fire, makes lives and properties suffer heavy losses.While is along with the development of communication career, automotive industry and computer industry, particularly many occasions such as aviation lead, line for cars, high temperature instrument cable, oil drilling platform cable more and more need to use low smoke no-halogen wire cable high temperature resistant, weather.
We have studied the property of 125 ℃ of weather-proof cross-linking low smoke halogen-free fire retardant polyolefin cable materials, by selecting for use and blend of base-material, selecting for use effect of material performance of compatilizer, flame-retardant system, antioxidant system, processing aid, the result shows, by using the PE modification of EVA, SBS, by the good weather resisteant of EVA.Adopt Al (OH)
3/ Mg (OH)
2The flame-retardant system of/fire retardant A and OSP oxidation inhibitor, by orthogonal design experimentize and radiation that molecule is produced is crosslinked, form the tridimensional network system, use OSP oxidation inhibitor to increase tensile strength retention rate and the extension at break retention rate of system, 125 ℃ of weather-proof cross-linking low-smoke halogen-free cable material of polyolefin that can the production performance excellence.In mechanical property, resistance to elevated temperatures, weather resistance, flame retardant properties, LSZH performance and processing characteristics good raising is arranged all.
Summary of the invention
The purpose of this invention is to provide a kind of 125 ℃ of weather-proof cross-linking low-smoke halogen-free cable material of polyolefin, CABLE MATERIALS of the present invention have the mechanical property height, high temperature resistant, flame retardant properties is high, LSZH during burning.
The following technical scheme of employing of the present invention for achieving the above object:
A kind of 125 ℃ of weather-proof cross-linking low-smoke halogen-free cable material of polyolefin, it is characterized in that: the weight proportion of its material component is:
Described 125 ℃ of weather-proof cross-linking low-smoke halogen-free cable material of polyolefin is characterized in that: described fire retardant B is Al (OH)
3And Mg (OH)
2Mixture, the blending ratio of the two is 1: 1, described fire retardant A is the PE fire retardant; Oxidation inhibitor is Clariant oxidation inhibitor OSP-1; Described linking agent is peroxidation two alkane; Described lubricant is stearic acid.
Described 125 ℃ of weather-proof cross-linking low-smoke halogen-free cable material of polyolefin, it is characterized in that: the weight proportion of each component is:
The present invention has good high thermal resistance, high-mechanical property, flame retardant properties than prior art, characteristic such as LSZH during burning.The judgement of 125 ℃ of temperature resistant grades that adopt, be according to print after the radiation behind 158 ℃, 168 hours senile experiment, the retention rate of tensile strength and elongation at break) 70%, think that then the temperature resistant grade of material reaches 125 ℃.Simultaneously, radiation hardness oxidation inhibitor OSP-1 has been selected in our this experiment for use.When radiation dose was 150Kgy, the tensile strength retention rate of print was 91%, and reserved elongation at break is 72%, can think that temperature resistant grade reaches 125 ℃.
By using the PE modification of EVA, SBS, by the good weather resisteant of EVA.Adopt Al (OH)
3/ Mg (OH)
2The flame-retardant system of/PE fire retardant and oxidation inhibitor OSP-1, by orthogonal design experimentize and radiation that molecule is produced is crosslinked, form the tridimensional network system, use oxidation inhibitor OSP-1 to increase tensile strength retention rate and the extension at break retention rate of system, 125 ℃ of weather-proof cross-linking low-smoke halogen-free cable material of polyolefin that can the production performance excellence.In mechanical property, resistance to elevated temperatures, weather resistance, flame retardant properties, LSZH performance and processing characteristics good raising is arranged all.
CABLE MATERIALS of the present invention and existing CABLE MATERIALS general property are relatively
Table 1
Embodiment:
Embodiment 1:
125 ℃ of weather-proof cross-linking low-smoke halogen-free cable material of polyolefin, the weight proportion of each component is:
Above-mentioned materials vulcanized tests correlated results after the film-making and be compared as follows table:
Embodiment 2:
125 ℃ of weather-proof cross-linking low-smoke halogen-free cable material of polyolefin, the weight proportion of each component is:
Above-mentioned materials vulcanized tests correlated results after the film-making and be compared as follows table:
Claims (1)
1. 125 ℃ of weather-proof cross-linking low-smoke halogen-free cable material of polyolefin, it is characterized in that: the weight proportion of its material component is:
Described fire retardant A is the PE fire retardant; Described linking agent is peroxidation two alkane; Described lubricant is stearic acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110193094 CN102260387B (en) | 2011-07-12 | 2011-07-12 | 125 DEG C weather-resistant cross-linking low-smoke and halogen-free polyolefin cable material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110193094 CN102260387B (en) | 2011-07-12 | 2011-07-12 | 125 DEG C weather-resistant cross-linking low-smoke and halogen-free polyolefin cable material |
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| Publication Number | Publication Date |
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| CN102260387A CN102260387A (en) | 2011-11-30 |
| CN102260387B true CN102260387B (en) | 2013-09-11 |
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| CN 201110193094 Active CN102260387B (en) | 2011-07-12 | 2011-07-12 | 125 DEG C weather-resistant cross-linking low-smoke and halogen-free polyolefin cable material |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102964668B (en) * | 2012-11-16 | 2015-04-29 | 江苏远洋东泽电缆股份有限公司 | Chemical crosslinking polyolefin insulating rubber for offshore oil gas engineering cable and manufacturing method |
| CN103524896B (en) * | 2013-09-30 | 2016-05-25 | 江苏达胜高聚物有限公司 | Halogen insulated cable material and preparation method thereof for a kind of 125 DEG C of cross-linking radiation EPCV photovoltaics |
| CN103709494B (en) * | 2013-12-26 | 2016-03-16 | 上海至正道化高分子材料股份有限公司 | A kind of Low-smoke halogen-free flame-retardant tight buffer material for optical fiber and preparation method thereof |
| CN104231396A (en) * | 2014-09-17 | 2014-12-24 | 朱忠良 | Halogen-free flame-retardant wire |
| CN105348716B (en) * | 2015-10-29 | 2018-06-26 | 浙江万马高分子材料有限公司 | Resistance to 125 DEG C of halogen-free flame-retardant thermoplastic elastomer EV CABLE MATERIALSs and preparation method |
| CN105949596A (en) * | 2016-05-25 | 2016-09-21 | 南通慧源塑胶有限公司 | High-strength high-temperature-resistant cable sheath material |
| CN106024169B (en) * | 2016-08-12 | 2017-12-26 | 中天科技装备电缆有限公司 | A kind of high fire-retardance high life high capacity low-smoke non-halogen building cloth wire and preparation technology |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5256482A (en) * | 1982-06-23 | 1993-10-26 | Sumitomo Electric Industries | Cross-linked polyethylene insulated cables |
| CN101225224A (en) * | 2008-02-03 | 2008-07-23 | 银禧工程塑料（东莞）有限公司 | low-smoke halogen-free flame retardant thermoplastic elastomer alloy for flexible wire rod and preparation method thereof |
| CN102070821A (en) * | 2010-12-14 | 2011-05-25 | 江苏德威新材料股份有限公司 | Irradiation cross-linking oil resistance type soft low smoke zero halogen flame-retardant cable material |
-
2011
- 2011-07-12 CN CN 201110193094 patent/CN102260387B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5256482A (en) * | 1982-06-23 | 1993-10-26 | Sumitomo Electric Industries | Cross-linked polyethylene insulated cables |
| CN101225224A (en) * | 2008-02-03 | 2008-07-23 | 银禧工程塑料（东莞）有限公司 | low-smoke halogen-free flame retardant thermoplastic elastomer alloy for flexible wire rod and preparation method thereof |
| CN102070821A (en) * | 2010-12-14 | 2011-05-25 | 江苏德威新材料股份有限公司 | Irradiation cross-linking oil resistance type soft low smoke zero halogen flame-retardant cable material |
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