CN108912624A - A kind of accompanying-heat cable heat-conducting insulation material - Google Patents
A kind of accompanying-heat cable heat-conducting insulation material Download PDFInfo
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- CN108912624A CN108912624A CN201810883645.2A CN201810883645A CN108912624A CN 108912624 A CN108912624 A CN 108912624A CN 201810883645 A CN201810883645 A CN 201810883645A CN 108912624 A CN108912624 A CN 108912624A
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- heat
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- insulation material
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/28—Nitrogen-containing compounds
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/42—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes polyesters; polyethers; polyacetals
- H01B3/421—Polyesters
- H01B3/422—Linear saturated polyesters derived from dicarboxylic acids and dihydroxy compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/28—Nitrogen-containing compounds
- C08K2003/282—Binary compounds of nitrogen with aluminium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Organic Insulating Materials (AREA)
- Conductive Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of accompanying-heat cable heat-conducting insulation material, the component including following mass fraction：100 parts of polybutylene terephthalate (PBT), 350~400 parts of aluminium nitride, 20~22 parts of silane coupling agent, 8~10 parts, 5~6 parts of dibasic lead phosphite of 4,4'- thiobis (6- tertiary butyl metacresol).A kind of accompanying-heat cable heat-conducting insulation material provided by the present invention has good flexibility, is bent at -25 DEG C and does not crack；Its insulation heat-conducting property is：3.5 KV/1 min are born without breakdown, -25 DEG C~110 DEG C of dielectric constant is 0.9~2.2, and thermal conductivity in the longitudinal direction is 144~203 W/mK；Its tensile strength is：12.5~22 MPa；It is used directly for extruded insulation layer, so as to produce the accompanying-heat cable containing heat-conducting insulation material using conventional accompanying-heat cable production technology.
Description
Technical field
The present invention relates to a kind of heat-conducting insulation material technical field, especially a kind of accompanying-heat cable heat-conducting insulation material.
Background technique
Accompanying-heat cable has adjustable firm power, in the case where power invariability, accompanying-heat cable alloy heat generating silk
Calorific value is constant, but the rate of heat dispation of external environment and accompanying-heat cable at different location is not fully consistent, this just leads
Different heat tracing temperature can be had by having caused accompanying-heat cable at different locations, and when temperature difference is larger, temperature is lower
Position is likely difficult to meet the requirement of heat tracing temperature, and the higher position heat tracing temperature of temperature has had exceeded the upper limit of requirement.
In order to improve the consistency of accompanying-heat cable heat tracing temperature in the longitudinal direction, make the temperature of accompanying-heat cable position
It reaches unanimity as far as possible, the excellent macromolecule of heating conduction or alloy fiber material can be laid in accompanying-heat cable, still
The technique for being laid with macromolecule or alloy fiber material is relatively complicated；Due to conventional heat-conducting insulation material flexibility compared with
Difference, therefore fibrous material can only be made, just it is able to satisfy the requirement of accompanying-heat cable integrally bending performance.It is therefore desirable to develop one kind
It is used directly for the good heat-conducting insulation material of the flexibility of extruded insulation layer, so as to using conventional accompanying-heat cable production
Technique produces the accompanying-heat cable containing heat-conducting insulation material.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of accompanying-heat cable heat-conducting insulation materials, have good
Flexibility, be used directly for extruded insulation layer, so as to using conventional accompanying-heat cable production technology production containing leading
The accompanying-heat cable of heat insulator.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of accompanying-heat cable heat-conducting insulation material, the component including following mass fraction：
100 parts of polybutylene terephthalate (PBT),
350~400 parts of aluminium nitride,
20~22 parts of silane coupling agent,
8~10 parts of 4,4'- thiobis (6- tertiary butyl metacresol),
5~6 parts of dibasic lead phosphite.
As a further improvement of the above technical scheme, the component including following mass fraction：
100 parts of polybutylene terephthalate (PBT),
380 parts of aluminium nitride,
22 parts of silane coupling agent,
10 parts of 4,4'- thiobis (6- tertiary butyl metacresol),
6 parts of dibasic lead phosphite.
As a further improvement of the above technical scheme, the powder that the aluminium nitride is 1.0~10 microns of partial size.
Compared with prior art, the beneficial effects of the invention are as follows：
A kind of accompanying-heat cable heat-conducting insulation material provided by the present invention has good flexibility, is bent at -25 DEG C
It does not crack；Its insulation heat-conducting property is：3.5 KV/1 min being born without breakdown, -25 DEG C~110 DEG C of dielectric constant is 0.9~
2.2, thermal conductivity in the longitudinal direction is 144~203 W/mK；Its tensile strength is：12.5~22 MPa；It can be straight
It connects for extruded insulation layer, so as to produce the heat tracing containing heat-conducting insulation material using conventional accompanying-heat cable production technology
Cable.
Specific embodiment
Carry out the technology contents that present invention be described in more detail below in conjunction with specific embodiments.
Specific embodiment 1
A kind of accompanying-heat cable heat-conducting insulation material, the component including following mass fraction provided by the present embodiment：
100 parts of polybutylene terephthalate (PBT), 380 parts of aluminium nitride, 22 parts of silane coupling agent, 4,4'- thiobis (6- spy's fourth
Base metacresol) 10 parts, 6 parts of dibasic lead phosphite.The powder that the aluminium nitride is 1.0~10 microns of partial size.
Preparation method includes the following steps：
Step 1: polybutylene terephthalate (PBT) masterbatch and aluminium nitride powder are placed in baking oven, to be not higher than 80 DEG C of temperature
Drying to constant weight for degree.
Step 2: polybutylene terephthalate (PBT) masterbatch is put into mixer, it is close with 230~240 DEG C of temperature
Refining 20~30 minutes；Then silane coupling agent and aluminium nitride powder are put into, mixing 30~40 is continued with 200~210 DEG C of temperature
Minute；4,4'- thiobis (6- tertiary butyl metacresol) and dibasic lead phosphite are finally put into, again with 220~230 DEG C of temperature
Mixing 10~20 minutes, heat conductive insulating compound masterbatch is made.
Step 3: heat conductive insulating compound masterbatch is put into multiple screw extruder, extrusion molding is insulating heat-conductive sheath,
Insulating heat-conductive sheath with a thickness of 1.0~5.0 millimeters；The head temperature of multiple screw extruder is 155~165 DEG C.
According to GB/T2951.14-2008《Cable and optical cable insulating and the 14th part of sheath material GENERAL EXPERIMENTATION:It is logical
With test method --- low-temperature test》It is tested, the low-temperature bending performance of insulating heat-conductive sheath obtained is：In -25 DEG C of feelings
It is bent under condition and does not crack.
According to GB/T2951.11-2008《Cable and optical cable insulating and the 14th part of sheath material GENERAL EXPERIMENTATION:It is logical
--- the thickness and shape dimension measurement --- mechanical test with test method》It is tested, insulating heat-conductive sheath obtained
Tensile strength reach 18 MPa, be higher than 12.5 Mpa requirements of the national standard.
The insulation heat-conducting property of insulating heat-conductive sheath obtained is：3.5 KV/1 min are born without breakdown, -25 DEG C~110
DEG C dielectric constant be 0.9~1.8, thermal conductivity in the longitudinal direction is 192 W/mK.
Specific embodiment 2
A kind of accompanying-heat cable heat-conducting insulation material, the component including following mass fraction provided by the present embodiment：
100 parts of polybutylene terephthalate (PBT), 350 parts of aluminium nitride, 20 parts of silane coupling agent, 4,4'- thiobis (6- spy's fourth
Base metacresol) 8 parts, 5 parts of dibasic lead phosphite.The powder that the aluminium nitride is 1.0~10 microns of partial size.
Preparation method is identical as specific embodiment 1.
According to GB/T2951.14-2008《Cable and optical cable insulating and the 14th part of sheath material GENERAL EXPERIMENTATION:It is logical
With test method --- low-temperature test》It is tested, the low-temperature bending performance of insulating heat-conductive sheath obtained is：In -25 DEG C of feelings
It is bent under condition and does not crack.
According to GB/T2951.11-2008《Cable and optical cable insulating and the 14th part of sheath material GENERAL EXPERIMENTATION:It is logical
--- the thickness and shape dimension measurement --- mechanical test with test method》It is tested, insulating heat-conductive sheath obtained
Tensile strength reach 22 MPa, be higher than 12.5 Mpa requirements of the national standard.
The insulation heat-conducting property of insulating heat-conductive sheath obtained is：3.5 KV/1 min are born without breakdown, -25 DEG C~110
DEG C dielectric constant be 0.9~1.6, thermal conductivity in the longitudinal direction is 144 W/mK.
Specific embodiment 3
A kind of accompanying-heat cable heat-conducting insulation material, the component including following mass fraction provided by the present embodiment：
100 parts of polybutylene terephthalate (PBT), 400 parts of aluminium nitride, 21 parts of silane coupling agent, 4,4'- thiobis (6- spy's fourth
Base metacresol) 9 parts, 5.5 parts of dibasic lead phosphite.The powder that the aluminium nitride is 1.0~10 microns of partial size.
Preparation method is identical as specific embodiment 1.
According to GB/T2951.14-2008《Cable and optical cable insulating and the 14th part of sheath material GENERAL EXPERIMENTATION:It is logical
With test method --- low-temperature test》It is tested, the low-temperature bending performance of insulating heat-conductive sheath obtained is：In -25 DEG C of feelings
It is bent under condition and does not crack.
According to GB/T2951.11-2008《Cable and optical cable insulating and the 14th part of sheath material GENERAL EXPERIMENTATION:It is logical
--- the thickness and shape dimension measurement --- mechanical test with test method》It is tested, insulating heat-conductive sheath obtained
Tensile strength reach 12.5 MPa, meet 12.5 Mpa requirements of the national standard.
The insulation heat-conducting property of insulating heat-conductive sheath obtained is：3.5 KV/1 min are born without breakdown, -25 DEG C~110
DEG C dielectric constant be 1.7~2.2, thermal conductivity in the longitudinal direction is 203 W/mK.
Better embodiment of the invention is illustrated above, certainly, the present invention can also using with it is above-mentioned
The different form of embodiment, those skilled in the art are made equivalent on the premise of without prejudice to spirit of the invention
Transformation or corresponding change, all should belong in protection scope of the present invention.
Claims (3)
1. a kind of accompanying-heat cable heat-conducting insulation material, which is characterized in that the component including following mass fraction：
100 parts of polybutylene terephthalate (PBT),
350~400 parts of aluminium nitride,
20~22 parts of silane coupling agent,
8~10 parts of 4,4'- thiobis (6- tertiary butyl metacresol),
5~6 parts of dibasic lead phosphite.
2. a kind of accompanying-heat cable heat-conducting insulation material according to claim 1, which is characterized in that including following mass fraction
Component：
100 parts of polybutylene terephthalate (PBT),
380 parts of aluminium nitride,
22 parts of silane coupling agent,
10 parts of 4,4'- thiobis (6- tertiary butyl metacresol),
6 parts of dibasic lead phosphite.
3. a kind of accompanying-heat cable heat-conducting insulation material according to claim 2, it is characterised in that：The aluminium nitride is partial size
1.0~10 microns of powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810883645.2A CN108912624A (en) | 2018-08-06 | 2018-08-06 | A kind of accompanying-heat cable heat-conducting insulation material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810883645.2A CN108912624A (en) | 2018-08-06 | 2018-08-06 | A kind of accompanying-heat cable heat-conducting insulation material |
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| Publication Number | Publication Date |
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| CN108912624A true CN108912624A (en) | 2018-11-30 |
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| CN201810883645.2A Withdrawn CN108912624A (en) | 2018-08-06 | 2018-08-06 | A kind of accompanying-heat cable heat-conducting insulation material |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090300909A1 (en) * | 2008-06-10 | 2009-12-10 | Southwire Company | Low temperature applications of flame retardant power cable |
| CN101899209A (en) * | 2010-03-30 | 2010-12-01 | 金发科技股份有限公司 | Heat conductive insulation material and preparation method thereof |
| CN103772922A (en) * | 2012-10-25 | 2014-05-07 | 合肥杰事杰新材料股份有限公司 | Antiflaming, insulative and heat conductive polybutylene terephthalate composite material and preparation method thereof |
| CN104479191A (en) * | 2014-11-17 | 2015-04-01 | 安徽安能电缆有限公司 | Waterproof chemical-corrosion-resistant heat tracing cable sheath material and preparation method thereof |
| CN104610714A (en) * | 2015-02-11 | 2015-05-13 | 北京工商大学 | Insulated and heat-conductive polybutylene terephthalate/polycarbonate composite material and preparation method thereof |
| CN107573651A (en) * | 2016-07-04 | 2018-01-12 | 黑龙江鑫达企业集团有限公司 | A kind of polybutylene terephthalate (PBT)/makrolon insulating heat-conductive composite |
-
2018
- 2018-08-06 CN CN201810883645.2A patent/CN108912624A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090300909A1 (en) * | 2008-06-10 | 2009-12-10 | Southwire Company | Low temperature applications of flame retardant power cable |
| CN101899209A (en) * | 2010-03-30 | 2010-12-01 | 金发科技股份有限公司 | Heat conductive insulation material and preparation method thereof |
| CN103772922A (en) * | 2012-10-25 | 2014-05-07 | 合肥杰事杰新材料股份有限公司 | Antiflaming, insulative and heat conductive polybutylene terephthalate composite material and preparation method thereof |
| CN104479191A (en) * | 2014-11-17 | 2015-04-01 | 安徽安能电缆有限公司 | Waterproof chemical-corrosion-resistant heat tracing cable sheath material and preparation method thereof |
| CN104610714A (en) * | 2015-02-11 | 2015-05-13 | 北京工商大学 | Insulated and heat-conductive polybutylene terephthalate/polycarbonate composite material and preparation method thereof |
| CN107573651A (en) * | 2016-07-04 | 2018-01-12 | 黑龙江鑫达企业集团有限公司 | A kind of polybutylene terephthalate (PBT)/makrolon insulating heat-conductive composite |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181130 |
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| WW01 | Invention patent application withdrawn after publication |