CN101358009B - Heat conductive anti static and non-halogen flame-retarding polymer composite insulating material for temperature sensitive detection cable - Google Patents
Heat conductive anti static and non-halogen flame-retarding polymer composite insulating material for temperature sensitive detection cable Download PDFInfo
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- CN101358009B CN101358009B CN2008102004618A CN200810200461A CN101358009B CN 101358009 B CN101358009 B CN 101358009B CN 2008102004618 A CN2008102004618 A CN 2008102004618A CN 200810200461 A CN200810200461 A CN 200810200461A CN 101358009 B CN101358009 B CN 101358009B
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Abstract
The invention relates to polymer material, which discloses thermal conductive anti-static halogen-free flame-retardant temperature-sensitive insulating polymer composite material. The polymer material contains the materials with the following volume portions: 50 to 100 portions of polyethylene-vinyl acetate copolymer; 20 to 100 portions of thermal conductive filler; and 5 to 20 portions of phosphorus-nitrogen flame retardant. The insulating polymer composite material of the invention is applicable to the preparation of thermo-sensitive detection fiber optic cables.
Description
Technical field
The present invention relates to a kind of macromolecular material of specific function, particularly a kind of heat conductive anti static and non-halogen flame-retarding type polymer composite insulating material for temperature sensitive detection cable.
Background technology
Because the inflammable and explosive environment of gas and chemical enterprise in the colliery, conventional conductivity type detector can not satisfy security needs because of heating and electrical spark, therefore in inflammable and explosive environment, needs similar nonconducting optical cable type detector.But the used macromolecular material characteristic of general optical cable is low heat conduction, high insulation.Brought temperature-insensitive and the easily danger of generation accumulation of static electricity.According to repeatedly accident analysis discovery, because the fire failure that static causes happens occasionally.Therefore, must adopt heat conduction, anti-electrostatic, flame retardant type polymer composite insulating sheath material.
It is that base-material adds the anti-electrostatic heat-conductive composite material that heat conductive fillers such as Graphite Powder 99, carbon fiber are made with polybutene and MDPE that Chinese patent CN1944569A discloses a kind of, then is electro-conductive material but want the big words of thermal conductivity, and is rigidity.CN1687207A has announced and a kind ofly has been base-material with HDPE and adds Al
2O
3, SiO
2, heat conductive filler and coupling agent such as MgO, the heat-conductive composite material of making through cross-linking radiation, this is an insulating material, but its static electricity resistance and flame retardant resistance are relatively poor, also are rigidity.It is base-material with PE, PP that CN1388202A discloses a kind of, adds Graphite Powder 99, carbon black, carbon fiber, metal powder, and other adds the heat-conductive composite material of coupling agent, oxidation inhibitor, be electro-conductive material then but want the big words of thermal conductivity, and extensibility is poor.CN1333801A discloses a kind of aluminium, Al of adding in polymkeric substance
2O
3, copper, magnesium, brass, heat conductive filler such as BN, C and the heat-conductive composite material that makes, poor fire also is a rigidity.
Summary of the invention
The objective of the invention is at deficiency of the prior art, a kind of heat conductive anti static and non-halogen flame-retarding type polymer composite insulating material for temperature sensitive detection cable is provided.
The invention discloses a kind of heat conductive anti static and non-halogen flame-retarding type polymer composite insulating material for temperature sensitive detection cable, comprise the material of following volume parts:
50-100 parts of polyethylene-acetate ethylene copolymers;
20-100 parts of heat conduction stopping composition;
5-20 parts of phosphor nitrogen combustion inhibitors.
Above-mentioned heat conduction stopping composition is selected from one or more among AlN, ZnO, SiC or the BN.
Preferable, above-mentioned AlN, ZnO, SiC or BN handle through the nanometer modification, have high thermal conduction characteristic.
Polymer composite insulating material of the present invention can adopt following method preparation:
All system component are put into Banbury mixer, mill or twin screw extruder to carry out the granulation of mixing back and makes.Melting temperature is 90-110 ℃, and mixing time is 5-30 minutes.
Polymer composite insulating material of the present invention can be used for preparing temperature sensitive detection cable.
It is base resin that the present invention adopts polyethylene-acetate ethylene copolymer (EVA), makes polymer composite insulating material have fabulous unit elongation, has satisfied the needed elongation property of detecting optical cable, elongation at break 〉=150%; For making mixture have certain insulativity, select for use non-conductive things such as nanometer AlN, BN, SiC, ZnO as the heat conduction stopping composition, make thermal conductivity surpass 1.3W/mK; This macromolecular material also possesses antistatic characteristic, its surface resistivity≤10 simultaneously
9Ω.Add phosphor nitrogen combustion inhibitor, oxygen index 〉=28.Final matrix material has satisfied heat conduction, anti-electrostatic, fire-retardant, insulation and better ductile requirement.
Adopt polymer composite insulating material of the present invention, the heat sensitivity of temperature sensitive detection cable is significantly improved, and then the reduction temperature is surveyed the cost of main frame, but also can be applicable to monitoring temperature and fire alarm, shorten the detection system time of response, for valuable time has been won in the mitigation disaster relief and other application.Owing to have antistatic characteristic, the temperature that is particularly suitable for inflammable and explosive occasions such as colliery, chemical industry is surveyed simultaneously.
Embodiment
Below be further described by the technical scheme of specific embodiment this patent, should be understood that embodiment is used to limit protection scope of the present invention.Following umber is volume parts.
Embodiment 1
50 parts of volume parts: EVA, 45 parts of nanometer AlN, 5 parts of phosphor nitrogen combustion inhibitors.
, again other powder is added earlier, got final product in mixing 15 minutes EVA on the double roll mill of room temperature mixing 5 minutes.
Through the mixing thermal conductivity λ=1.31W/m.K that makes matrix material, surface resistivity ρ
s=2.3 * 10
8Ω, oxygen index OI=28, elongation at break 158%
Embodiment 2
60 parts of volume parts: EVA, 35 parts of nano-ZnOs, 5 parts of phosphor nitrogen combustion inhibitors.
Except that the raw material difference, all the other preparation methods are with embodiment 1.
Through the mixing λ=1.32W/m.K that makes matrix material, ρ
s=6.5 * 10
8Ω, OI=28, elongation at break 166%.
Embodiment 3
65 parts of volume parts: EVA, 15 parts of nanometer AlN, 15 parts of nano SiCs, 5 parts of phosphor nitrogen combustion inhibitors.
Except that the raw material difference, all the other preparation methods are with embodiment 1.
Through the mixing λ=1.35W/m.K that makes matrix material, ρ
s=8.7 * 10
8Ω, OI=29, elongation at break 176%.
Embodiment 4
60 parts of volume parts: EVA, 35 parts of nanometer BN, 5 parts of phosphor nitrogen combustion inhibitors.
Except that the raw material difference, all the other preparation methods are with embodiment 1.
Through the mixing λ=1.30W/mK that makes matrix material, ρ
v=9.6 * 10
8Ω, OI=29, elongation at break=155%.
Embodiment 5
100 parts of volume parts: EVA, 80 parts of nanometer AlN, 15 parts of phosphor nitrogen combustion inhibitors.
Except that the raw material difference, all the other preparation methods are with embodiment 1.
Through the mixing performance of composites that makes be: ρ
v=7.5 * 10
8Ω-m, OI=29, elongation at break=152%, λ=1.34W/mK
Embodiment 6
100 parts of volume parts: EVA, 100 parts of nanometer BN, 15 parts of phosphor nitrogen combustion inhibitors.
Except that the raw material difference, all the other preparation methods are with embodiment 1.
Through the mixing performance of composites that makes be: ρ
v=5.6 * 10
8Ω-m, OI.=29, elongation at break=165%
Embodiment 7
80 parts of volume parts: EVA, 80 parts of nanometer BN, 20 parts of phosphor nitrogen combustion inhibitors.
Except that the raw material difference, all the other preparation methods are with embodiment 1.
Through the mixing performance of composites that makes be: p
v=4.7 * 10
8Ω-m, OI=30, elongation at break=156%, λ=1.35W/mK
Embodiment 8
After connecting the photodetector actual measurement, the material of previous embodiment and ordinary optical cable compare, and the sensitivity and the time of response of temperature sensitive detection cable have improved more than 30%, and antistatic performance reaches national mining standard.
Claims (6)
1. heat conductive anti static and non-halogen flame-retarding type polymer composite insulating material for temperature sensitive detection cable comprises the material of following volume parts:
Polyethylene vinyl acetate multipolymer 50-100 part;
Heat conduction stopping composition 20-100 part;
Phosphor nitrogen combustion inhibitor 5-20 part,
Wherein, described heat conduction stopping composition is selected from one or more among AlN, ZnO, SiC or the BN, and described AlN, ZnO, SiC or BN handle through the nanometer modification.
2. heat conductive anti static and non-halogen flame-retarding type polymer composite insulating material for temperature sensitive detection cable according to claim 1 is characterized in that the elongation at break of described polymer composite insulating material 〉=150%.
3. heat conductive anti static and non-halogen flame-retarding type polymer composite insulating material for temperature sensitive detection cable according to claim 1 is characterized in that, the thermal conductivity of described polymer composite insulating material surpasses 1.3W/mK.
4. heat conductive anti static and non-halogen flame-retarding type polymer composite insulating material for temperature sensitive detection cable according to claim 1 is characterized in that the surface resistivity of described polymer composite insulating material≤10
9Ω.
5. heat conductive anti static and non-halogen flame-retarding type polymer composite insulating material for temperature sensitive detection cable according to claim 1 is characterized in that the oxygen index of described polymer composite insulating material 〉=28.
As heat conductive anti static and non-halogen flame-retarding type polymer composite insulating material for temperature sensitive detection cable as described in arbitrary claim among the claim 1-5 in the application that is used for preparing temperature sensitive detection cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102004618A CN101358009B (en) | 2008-09-25 | 2008-09-25 | Heat conductive anti static and non-halogen flame-retarding polymer composite insulating material for temperature sensitive detection cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102004618A CN101358009B (en) | 2008-09-25 | 2008-09-25 | Heat conductive anti static and non-halogen flame-retarding polymer composite insulating material for temperature sensitive detection cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101358009A CN101358009A (en) | 2009-02-04 |
| CN101358009B true CN101358009B (en) | 2011-05-25 |
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|---|---|---|---|
| CN2008102004618A Expired - Fee Related CN101358009B (en) | 2008-09-25 | 2008-09-25 | Heat conductive anti static and non-halogen flame-retarding polymer composite insulating material for temperature sensitive detection cable |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013173938A1 (en) * | 2012-05-21 | 2013-11-28 | 利卫精密股份有限公司 | Electrically insulating and thermally conductive fireproof material |
| CN105295185A (en) * | 2015-08-31 | 2016-02-03 | 无锡市嘉邦电力管道厂 | Heat-conducting and anti-static halogen-free inflaming retarding type composite material as well as preparation method and application thereof |
| CN111574768A (en) * | 2020-04-09 | 2020-08-25 | 杭州联通管业有限公司 | Lightning-proof optical fiber communication pipeline and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1335334A (en) * | 2000-07-22 | 2002-02-13 | 中国科学技术大学 | Prepn of fireproofing cable material without halide |
| CN1539901A (en) * | 2003-04-24 | 2004-10-27 | 忠山仪器有限公司 | Combination of heat conducting materials softend at low temperature, preparation method and application |
-
2008
- 2008-09-25 CN CN2008102004618A patent/CN101358009B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1335334A (en) * | 2000-07-22 | 2002-02-13 | 中国科学技术大学 | Prepn of fireproofing cable material without halide |
| CN1539901A (en) * | 2003-04-24 | 2004-10-27 | 忠山仪器有限公司 | Combination of heat conducting materials softend at low temperature, preparation method and application |
Non-Patent Citations (1)
| Title |
|---|
| 吕勇等.导热绝缘高分子复合材料中填料的研究进展.北京印刷学院学报.2008,16(2),77. * |
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