CN108058302A - A kind of cable irradiation technique for preventing aging and adapting to the big temperature difference - Google Patents
A kind of cable irradiation technique for preventing aging and adapting to the big temperature difference Download PDFInfo
- Publication number
- CN108058302A CN108058302A CN201711196512.XA CN201711196512A CN108058302A CN 108058302 A CN108058302 A CN 108058302A CN 201711196512 A CN201711196512 A CN 201711196512A CN 108058302 A CN108058302 A CN 108058302A
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- Prior art keywords
- irradiation
- cable
- parts
- insulating layer
- adapting
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/0866—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using particle radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/002—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/10—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation for articles of indefinite length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/0866—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using particle radiation
- B29C2035/0877—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using particle radiation using electron radiation, e.g. beta-rays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3462—Cables
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/017—Manufacturing methods or apparatus for heaters
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- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Organic Insulating Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of cable irradiation techniques for preventing aging and adapting to the big temperature difference, comprise the following steps：Step 1: being cooled down being immersed into after PTC high-molecular conductive material extrusion synchronous with insulating layer in cooling water, cable after cooling is then taken out, surface moisture is wiped and dried；Step 2: cable prepared by step 1 is sent into irradiation device for electronic accelerator, insulating layer high molecular material Cross-linked is made by irradiation；Insulating layer squeezes out for polyvinyl chloride macromolecule material, and the irradiation energy of irradiation device for electronic accelerator is 0.5~1.5 MeV.The present invention provides a kind of cable irradiation techniques for preventing aging and adapting to the big temperature difference, can carry out Cross-linked processing to the insulating layer of PTC high-molecular conductive material outer wrapping on the premise of PTC high-molecular conductive material heating property is not influenced.
Description
Technical field
Aging is prevented the present invention relates to a kind of cable production and processing technology technical field, particularly one kind and adapts to the big temperature difference
Cable irradiation technique.
Background technology
It usually requires to carry out Cross-linked processing applied to the high molecular polymer as cable insulation or restrictive coating, to carry
The performances such as the mechanical strength of high insulation or restrictive coating, structural stability, solvent resistance and weatherability, high molecular polymer
Cross-linked refers to the process of reticulate or three-dimensional polymeric molecule with covalent bond connection between line style or branch type macromolecular chain.High molecular polymerization
The Cross-linked processing method of object mainly includes per-compound cross-linking method, high-energy electron accelerator irradiation crosslinking, crosslinked with silicane
Method and uv cross-linking method etc..
Self limiting temperature accompanying-heat cable is that a kind of liquid object that is widely used in conveys and the anti-freezing and heat-insulating of tank body, dimension in the duct
The accompanying-heat cable of the occasions such as technological temperature, heating highway, ramp antifreeze anti-skidding, crossing is antifreeze, eaves and floor heating is held,
It is mainly by two conductive cores, the PTC high molecular materials being distributed between two conductive cores and package PTC high molecular materials
Insulating layer form, when the power is turned on, internal PTC high molecular materials expanded by heating, resistance becomes larger, reduce heating power, make
Temperature reduces；When the temperature decreases, internal PTC high molecular materials contract on cooling, resistance become smaller, and increase heating power, make temperature
Rise, so as to have the function that automatically adjust temperature.
What conventional its PTC high-molecular conductive material of self limiting temperature accompanying-heat cable and layer insulating materials typically synchronously squeezed out,
Therefore carrying out Cross-linked processing for the insulating layer synchronously squeezed out needs stringent control process, to avoid PTC high scores are caused
Subconductivity material cross-links react, and influence its heating property.
The content of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of cable irradiations for preventing aging and adapting to the big temperature difference
Technique, can be on the premise of PTC high-molecular conductive material heating property not be influenced, to PTC high-molecular conductive material outer wrapping
Insulating layer carry out Cross-linked processing.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of cable irradiation technique for preventing aging and adapting to the big temperature difference, comprises the following steps：
Step 1: it is cooled down being immersed into after PTC high-molecular conductive material extrusion synchronous with insulating layer in cooling water, Ran Houqu
Go out cable after cooling, surface moisture is wiped and dried；
Step 2: cable prepared by step 1 is sent into irradiation device for electronic accelerator, insulating layer macromolecule is made by irradiation
Crosslink material；Insulating layer squeezes out for polyvinyl chloride macromolecule material, and the irradiation energy of irradiation device for electronic accelerator is
0.5~1.5 MeV.
As being further improved for above-mentioned technical proposal, in step 1, the extrusion raw material of insulating layer includes：Chlorinated polyethylene
Alkene, talcum powder, stearic acid, p-phenylenediamine and N- phenyl-α-aniline.
As being further improved for above-mentioned technical proposal, in step 1, haloflex, cunning in insulation extrusion raw material
Mountain flour, stearic acid, the mass fraction of p-phenylenediamine and N- phenyl-α-aniline are respectively 100 parts, 30~50 parts, 0.5~2.0 part,
1.0~3.0 parts and 1.5~3.5 parts.
As being further improved for above-mentioned technical proposal, in step 1, haloflex, cunning in insulation extrusion raw material
Mountain flour, stearic acid, the mass fraction of p-phenylenediamine and N- phenyl-α-aniline be respectively 100 parts, 35 parts, 1.1 parts, 1.8 parts and
2.5 part.
As being further improved for above-mentioned technical proposal, in step 1, the thickness of insulating layer is 3~6 millimeters, irradiation dose
For 215~295 KGy, the irradiation energy of irradiation device for electronic accelerator is 0.8 MeV.
Compared with prior art, the beneficial effects of the invention are as follows：
A kind of cable irradiation technique for preventing aging and adapting to the big temperature difference provided by the present invention, can not influence PTC high scores
On the premise of subconductivity material heating property, Cross-linked processing is carried out to the insulating layer of PTC high-molecular conductive material outer wrapping, from
And mechanical strength, structural stability, solvent resistance and the weatherability of insulating layer are improved, having cable prevents aging and adaptation
The characteristics of big temperature difference.
Specific embodiment
Below in conjunction with specific embodiments come be further described the present invention technology contents.
Specific embodiment 1
A kind of cable irradiation technique for preventing aging and adapting to the big temperature difference that the present embodiment is provided, comprises the following steps：
Step 1: it is cooled down being immersed into after PTC high-molecular conductive material extrusion synchronous with insulating layer in cooling water, Ran Houqu
Go out cable after cooling, surface moisture is wiped and dried；Insulation extrusion raw material includes：Haloflex, talcum powder, tristearin
Acid, p-phenylenediamine and N- phenyl-α-aniline, and mass fraction is respectively 100 parts, 35 parts, 1.1 parts, 1.8 parts and 2.5 parts.
Step 2: cable prepared by step 1 is sent into irradiation device for electronic accelerator, insulation floor height is made by irradiation
Molecular material Cross-linked；The thickness of insulating layer is 3~6 millimeters, and irradiation dose is 215~295 KGy, and electron accelerator irradiation fills
The irradiation energy put is 0.8 MeV.
Specific embodiment 2
A kind of cable irradiation technique for preventing aging and adapting to the big temperature difference that the present embodiment is provided, comprises the following steps：
Step 1: it is cooled down being immersed into after PTC high-molecular conductive material extrusion synchronous with insulating layer in cooling water, Ran Houqu
Go out cable after cooling, surface moisture is wiped and dried；Insulation extrusion raw material includes：Haloflex, talcum powder, tristearin
Acid, p-phenylenediamine and N- phenyl-α-aniline, and mass fraction is respectively 100 parts, 35 parts, 1.1 parts, 1.8 parts and 2.5 parts.
Step 2: cable prepared by step 1 is sent into irradiation device for electronic accelerator, insulation floor height is made by irradiation
Molecular material Cross-linked；The thickness of insulating layer is 3~6 millimeters, and irradiation dose is 215~295 KGy, and electron accelerator irradiation fills
The irradiation energy put is 1.0 MeV.
Specific embodiment 3
A kind of cable irradiation technique for preventing aging and adapting to the big temperature difference that the present embodiment is provided, comprises the following steps：
Step 1: it is cooled down being immersed into after PTC high-molecular conductive material extrusion synchronous with insulating layer in cooling water, Ran Houqu
Go out cable after cooling, surface moisture is wiped and dried；Insulation extrusion raw material includes：Haloflex, talcum powder, tristearin
Acid, p-phenylenediamine and N- phenyl-α-aniline, and mass fraction is respectively 100 parts, 30 parts, 0.5 part, 1.0 parts and 1.5 parts.
Step 2: cable prepared by step 1 is sent into irradiation device for electronic accelerator, insulation floor height is made by irradiation
Molecular material Cross-linked；The thickness of insulating layer is 3~6 millimeters, and irradiation dose is 215~295 KGy, and electron accelerator irradiation fills
The irradiation energy put is 0.8 MeV.
Specific embodiment 4
A kind of cable irradiation technique for preventing aging and adapting to the big temperature difference that the present embodiment is provided, comprises the following steps：
Step 1: it is cooled down being immersed into after PTC high-molecular conductive material extrusion synchronous with insulating layer in cooling water, Ran Houqu
Go out cable after cooling, surface moisture is wiped and dried；Insulation extrusion raw material includes：Haloflex, talcum powder, tristearin
Acid, p-phenylenediamine and N- phenyl-α-aniline, and mass fraction is respectively 100 parts, 50 parts, 2.0 parts, 3.0 parts and 3.5 parts.
Step 2: cable prepared by step 1 is sent into irradiation device for electronic accelerator, insulation floor height is made by irradiation
Molecular material Cross-linked；The thickness of insulating layer is 3~6 millimeters, and irradiation dose is 215~295 KGy, and electron accelerator irradiation fills
The irradiation energy put is 0.9 MeV.
Comparative examples 1
Cross-linking radiation insulating layer heat stability testing：According to GB/T19518.1-2004 national standards, the spoke of ptc material will be wrapped up
It is placed on according to cross linked insulation after storing 4 weeks under the conditions of 140 DEG C, bears 1500 V/1 min, specific embodiment 1-4 is without breakdown.
Comparative examples 2
The hot low-temperature bending performance test of cross-linking radiation insulating layer：According to GB/T2951.14-2008《Cable and optical cable insulating and shield
The 14th part of cover material GENERAL EXPERIMENTATION:GENERAL EXPERIMENTATION --- low-temperature test》National standard, specific embodiment 1-4
The low-temperature bending of middle cross-linking radiation insulating layer is followed successively by：Do not crack in the case of -30 DEG C, do not crack in the case of -30 DEG C,
It does not crack in the case of -20 DEG C, crack in the case of -15 DEG C.
Comparative examples 3
Cross-linking radiation insulating layer artificial weathering test：According to GB12527-2008《1 kV of rated voltage and following aerial exhausted
Edge cable》National standard surveys the tensile strength change of the cross-linking radiation insulating layer of package ptc material and extension at break variation
Rate, specific embodiment 1-4 are followed successively by：≤ ± 5% ,≤± 6% ,≤± 13% ,≤± 11%.
Comparative examples 4
Cross-linking radiation insulating layer appearance compares：The cross-linking radiation surface of insulating layer of specific embodiment 2 and 4 has slightly foamed phenomenon,
The cross-linking radiation surface of insulating layer of specific embodiment 1 and 3 is smooth, no foamed phenomenon.
Above the preferable of the present invention is implemented to be illustrated, certainly, the present invention can also use and above-mentioned implementation
The different form of mode, the equivalent conversion that those skilled in the art are made on the premise of without prejudice to spirit of the invention
Or corresponding change, it should all belong to the scope of protection of the present invention interior.
Claims (5)
1. a kind of cable irradiation technique for preventing aging and adapting to the big temperature difference, which is characterized in that comprise the following steps：
Step 1: it is cooled down being immersed into after PTC high-molecular conductive material extrusion synchronous with insulating layer in cooling water, Ran Houqu
Go out cable after cooling, surface moisture is wiped and dried；
Step 2: cable prepared by step 1 is sent into irradiation device for electronic accelerator, insulating layer macromolecule is made by irradiation
Crosslink material；Insulating layer squeezes out for polyvinyl chloride macromolecule material, and the irradiation energy of irradiation device for electronic accelerator is
0.5~1.5 MeV.
2. a kind of cable irradiation technique for preventing aging and adapting to the big temperature difference according to claim 1, it is characterised in that：Step
In rapid one, the extrusion raw material of insulating layer includes：Haloflex, talcum powder, stearic acid, p-phenylenediamine and N- phenyl-α-aniline.
3. a kind of cable irradiation technique for preventing aging and adapting to the big temperature difference according to claim 2, it is characterised in that：Step
In rapid one, the matter of haloflex, talcum powder, stearic acid, p-phenylenediamine and N- phenyl-α-aniline in insulation extrusion raw material
It is respectively 100 parts, 30~50 parts, 0.5~2.0 part, 1.0~3.0 parts and 1.5~3.5 parts to measure number.
4. a kind of cable irradiation technique for preventing aging and adapting to the big temperature difference according to claim 3, it is characterised in that：Step
In rapid one, the matter of haloflex, talcum powder, stearic acid, p-phenylenediamine and N- phenyl-α-aniline in insulation extrusion raw material
It is respectively 100 parts, 35 parts, 1.1 parts, 1.8 parts and 2.5 parts to measure number.
5. a kind of cable irradiation technique for preventing aging and adapting to the big temperature difference according to claim 4, it is characterised in that：Step
In rapid one, the thickness of insulating layer is 3~6 millimeters, and irradiation dose is 215~295 KGy, the irradiation of irradiation device for electronic accelerator
Energy is 0.8 MeV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711196512.XA CN108058302A (en) | 2017-11-25 | 2017-11-25 | A kind of cable irradiation technique for preventing aging and adapting to the big temperature difference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711196512.XA CN108058302A (en) | 2017-11-25 | 2017-11-25 | A kind of cable irradiation technique for preventing aging and adapting to the big temperature difference |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108058302A true CN108058302A (en) | 2018-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711196512.XA Withdrawn CN108058302A (en) | 2017-11-25 | 2017-11-25 | A kind of cable irradiation technique for preventing aging and adapting to the big temperature difference |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1863417A (en) * | 2006-06-15 | 2006-11-15 | 王崇 | Positive temp coefficient high polymer semiconductor temp control heatingcable and mfg. method thereof |
| CN101104700A (en) * | 2007-08-18 | 2008-01-16 | 青岛科技大学 | Radiation vulcanizing method for environment-friendly type medical rubber products |
| CN101942150A (en) * | 2009-07-10 | 2011-01-12 | 广东华声电器实业有限公司 | Irradiated crosslinked chlorinated polyethylene insulated rubber and preparation method thereof |
| CN103065729A (en) * | 2013-01-07 | 2013-04-24 | 安邦电气集团有限公司 | Preparation method of self-limiting temperature heat tracing cable |
| CN103113668A (en) * | 2013-01-07 | 2013-05-22 | 安邦电气集团有限公司 | Polymer matrix conductive composite material and method for preparing temperature self-limiting heat tracing cable from same |
-
2017
- 2017-11-25 CN CN201711196512.XA patent/CN108058302A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1863417A (en) * | 2006-06-15 | 2006-11-15 | 王崇 | Positive temp coefficient high polymer semiconductor temp control heatingcable and mfg. method thereof |
| CN101104700A (en) * | 2007-08-18 | 2008-01-16 | 青岛科技大学 | Radiation vulcanizing method for environment-friendly type medical rubber products |
| CN101942150A (en) * | 2009-07-10 | 2011-01-12 | 广东华声电器实业有限公司 | Irradiated crosslinked chlorinated polyethylene insulated rubber and preparation method thereof |
| CN103065729A (en) * | 2013-01-07 | 2013-04-24 | 安邦电气集团有限公司 | Preparation method of self-limiting temperature heat tracing cable |
| CN103113668A (en) * | 2013-01-07 | 2013-05-22 | 安邦电气集团有限公司 | Polymer matrix conductive composite material and method for preparing temperature self-limiting heat tracing cable from same |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180522 |
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| WW01 | Invention patent application withdrawn after publication |