CN106158086B - Insulated electric conductor and its manufacturing method - Google Patents
Insulated electric conductor and its manufacturing method Download PDFInfo
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- CN106158086B CN106158086B CN201510208083.8A CN201510208083A CN106158086B CN 106158086 B CN106158086 B CN 106158086B CN 201510208083 A CN201510208083 A CN 201510208083A CN 106158086 B CN106158086 B CN 106158086B
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Abstract
The present invention provides a kind of insulated electric conductor and its manufacturing method for maintaining mechanical property while realizing coloring appropriate.A kind of insulated electric conductor (1), its clad with conductor (2) and on the conductor (2) by being constituted with fluorubber resin as main component, the clad at least has 2 layers, color masterbatches are free of in 2 layers of the internal layer (3), contain color masterbatches in 2 layers of the outer layer (4), 100 mass parts of ingredient of the resin relative to the outer layer (4), more than 2 mass parts of the color masterbatch.
Description
Technical field
The present invention relates to a kind of insulated electric conductors and its manufacturing method being equipped with resin clad in the periphery of conductor.
Background technology
A kind of insulated electric conductor is recorded in patent document 1, is had and is coated by the resin that 2 layers of internal layer and outer layer are constituted
Layer, wherein internal layer is made of fluororesin system: compositions, and outer layer is made of polyphenylene sulfide.In addition, recording in patent document 2
There is a kind of insulated electric conductor, coats the first layer being made of the fluorubber mixture for being combined with fluorubber and inorganic filler, and
And the second layer being made of radioactive ray bridging property fluororesin is coated in the periphery of the first layer.
Existing technical literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2004-345703 bulletins
Patent document 2：Japanese Unexamined Patent Publication 2011-18634 bulletins
Invention content
Problems to be solved by the invention
The coloring of the fluororesin or fluorubber clad of recorded electric wire is difficult in patent document 1 and 2.In addition, passing through
Coloring components are added more in the resin clad to ensure to colour, but at this point, the resistance to of insulated electric conductor cannot be maintained
Hot or mechanical property.
The object of the present invention is to provide a kind of maintenance heat resistance and mechanical property while realizing the exhausted of coloring appropriate
Edge electric wire and its manufacturing method.
The means solved the problems, such as
The insulated electric conductor of the present invention is following insulated electric conductor：It is with conductor and on the conductor by based on fluorubber
The clad for wanting the resin of ingredient to constitute, wherein the clad at least has 2 layers, and color masterbatch is not contained in 2 layers of the internal layer
Material contains color masterbatches in 2 layers of the outer layer, and 100 mass parts of ingredient of the resin relative to the outer layer contain 2 matter
Measure part the above color masterbatch.
In addition, the manufacturing method of the insulated electric conductor of the present invention is the manufacturing method of following insulated electric conductor：The insulated electric conductor
Clad with conductor and on the conductor by being constituted with fluorubber resin as main component, wherein by the cladding
Layer is set as at least 2 layers, and the resin combination by not adding color masterbatch forms 2 layers of the internal layer, by relative to 100 mass parts trees
The resin combination of the fat addition above color masterbatch of 2 mass parts forms 2 layers of the outer layer.
The effect of invention
According to the present invention it is possible to maintain the mechanical property of insulated electric conductor, while realizing coloring appropriate.
Brief Description Of Drawings
Fig. 1 is the schematic section of an example for indicating the insulated electric conductor of the present invention.
Fig. 2 is the schematic section of the other an examples for indicating the insulated electric conductor of the present invention.
Symbol description
1,11 insulated electric conductor
2 conductors
3 internal layers
4 outer layers
Specific implementation mode
[explanation of the embodiment of the present application]
One embodiment of the present application is a kind of (1) insulated electric conductor, with conductor and on the conductor by
The clad constituted with fluorubber resin as main component, wherein
The clad at least has 2 layers, is free of color masterbatches in 2 layers of the internal layer, contains in 2 layers of the outer layer
Color masterbatch, 100 mass parts of ingredient of the resin relative to the outer layer contain 2 mass parts the above color masterbatches.
According to the present embodiment, the mechanical property of insulated electric conductor can be maintained, while realizing coloring appropriate.
(2) insulated electric conductor preferably with respect to 100 mass parts of the resin (relative to the resin 100 in addition to filler
Mass parts), contain 10~36 mass parts of vinylidene fluoride polymer.
This is because when using vinylidene fluoride polymer (PVdF) as the base resin of color masterbatch, color masterbatch and structure
It is improved at the intermiscibility of the resin of the resin clad, the mechanical property and coloring of insulated electric conductor further increase.
(3) insulated electric conductor preferably with respect to 100 mass parts of the resin (relative to the resin 100 in addition to filler
Mass parts), contain 10~40 mass parts of propylene.
This is because when using polyethylene (PE) as the base resin of color masterbatch, color masterbatch and the composition resin packet
The intermiscibility of the resin of coating improves, and the mechanical property and coloring of insulated electric conductor further increase.
(4) base resin of the preferably described color masterbatch of the insulated electric conductor be polyolefin, melt index (MI) (210 DEG C,
10kg) and the difference of the melt index (MI) of the resin of the outer layer is within 20g/10 minutes.This is because in the cladding of insulated electric conductor
When layer is using fluorubber as main component, when the base resin of color masterbatch is polyolefin (such as low density polyethylene (LDPE)), melt index (MI)
Difference when being in above-mentioned range, color masterbatch and the intermiscibility of resin for constituting the outer layer improve, and the machinery of insulated electric conductor is special
Property and coloring further increase.
Other embodiments of the present application are a kind of (5) manufacturing method of insulated electric conductor, the insulated electric conductor tool
There are conductor and the clad on the conductor by being constituted with fluorubber resin as main component, wherein
The clad is set as at least 2 layers, the resin combination by not adding color masterbatch forms 2 layers of the internal layer,
Resin combination by adding the above color masterbatch of 2 mass parts relative to 100 mass parts resins forms 2 layers of the outer layer.
According to the present embodiment, such insulated electric conductor can be manufactured, wherein maintaining the mechanical property of insulated electric conductor, together
When realize coloring appropriate.
[detailed description of the embodiment of the present application]
Hereinafter, to embodiments of the present invention, it is described in detail referring to Fig.1.
(summary of insulated electric conductor)
Fig. 1 is the schematic section of an example for the insulated electric conductor for being denoted as one embodiment of the present invention.
Insulated electric conductor 1 has conductor 2 and 2 layers of the clad in the periphery of conductor 2 at least internal layer 3 and outer layer 4.
(conductor)
As conductor 2, it can use to constitute at present and also serve as in wiring in equipment or automobile the insulated electric conductor of wiring or absolutely
The conductors such as the copper wire of edge cable.
In addition, the size as conductor 2, is not particularly limited, it should according to the occupation mode of insulated electric conductor, purpose etc.
Appropriate selection, but as sectional area, preferably 0.13~5.5mm2。
(clad)
The internal layer 3 and outer layer 4 of insulated electric conductor 1 with fluorubber resin as main component by being constituted.
Internal layer 3 and outer layer 4 with the resin combination of fluorubber resin as main component by containing being formed, but for shape
At color masterbatch is not added in the resin combination (hereinafter also referred to as internal layer formation resin combination) of internal layer 3, it is being used to form
Color masterbatch is added in the resin combination (hereinafter also referred to as outer layer formation resin combination) of outer layer 4, relative to the outer layer
100 mass parts of ingredient of resin contained in formation resin combination add 2 mass parts the above color masterbatches.
The outer layer formation is made an addition to be not particularly limited with the upper limit of the amount of the color masterbatch in resin combination.Due to exhausted
Edge electric wire 1 maintains mechanical strength by internal layer 3, therefore, even if the mechanical strength of outer layer 4 is slightly deteriorated, as the whole of insulated electric conductor 1
Body also maintains excellent mechanical property.It therefore, can be in the outer layer formation with adding color masterbatch in resin combination more
Material.But from the viewpoint of the manufacturing cost of insulated electric conductor 1 etc., if 20 mass % color masterbatches of addition, excellent to be abundant
Choosing is not added to needs or more excessively.Preferably with respect to the ingredient 100 of resin contained in outer layer formation resin combination
Mass parts add 10 color masterbatches below mass part, and further preferably addition 7 is below mass part.
The resin of composition internal layer 3 is identical with the resin of outer layer 4 is constituted so that the adaptation of internal layer 3 and outer layer 4 is good, and presses down
Stripping, the abrasion etc. for having made the weaker outer layer of intensity 4, are therefore preferred.
In addition, the absolute magnitude due to outer layer 4 than the relatively thin color masterbatch used tails off, from the sight of manufacturing cost
It is also preferred that point, which sets out etc.,.But outer layer 4 it is very thin when, stripping, abrasion etc. are easy tod produce, it is therefore preferable that appropriate selection is suitable
The thickness of conjunction.
Internal layer 3 and the thickness of outer layer 4 and the clad comprising internal layer 3 and outer layer 4 are not particularly limited, it should according to
Occupation mode, purpose of insulated electric conductor etc. suitably select, including the thickness of the clad of internal layer 3 and outer layer 4 be preferably 0.1~
1.0mm。
In addition, the thickness of the outer layer 4 in the clad is preferably 0.05~0.2mm.
In addition, the thickness of outer layer 4 is preferably the 20~50% of the thickness of the clad entirety.
As long as constituting the resin of internal layer 3 and outer layer 4 with fluorubber resin as main component, do not limit especially
It is fixed.
In addition, the resin is in addition to fluorubber, in the degree of effect for not reducing the present invention, or in order to further carry
The effect of the high present invention, or other effects are further assigned, other resin components can be coordinated.
It can be mentioned, for example propylene for resin other than fluorubber.
In the case of containing propylene, preferably with respect to constituting 100 mass parts of resin of internal layer 3 and outer layer 4 (relative to except filling out
100 mass parts of resin except material), contain 10~40 mass parts.
As the preferred specific example for the resin for constituting internal layer 3 and outer layer 4, as described below.
Tetrafluoroethylene propylene copolymer/random polypropylene (90 mass parts/10 mass parts) tetrafluoroethylene-propylene is total
Polymers/vinylidene fluoride (ビ ニ リ デ Application Off Le オ ラ イ De)-hexafluoropropylene copolymer/random polypropylene (72 mass parts/18
The mass parts of mass parts/10) tetrafluoroethylene propylene copolymer/vinylidene difluoride-hexafluoropropylene copolymer/random polypropylene (24
The mass parts of mass parts of mass parts/36/40) the difluoro second of vinylidene fluoride (Off ッization ビ ニ リ デ Application)-hexafluoropropylene copolymer/partially
Alkene copolymer (90 mass parts/10 mass parts) tetrafluoroethylene propylene copolymer/vinylidene difluoride-hexafluoropropylene copolymer/gather
Propylene/ethylene vinyl acetate co-polymer (mass parts of mass parts of 55 mass parts/20/20/5 mass parts) vinylidene fluoride-
Hexafluoropropene-tetrafluoroethylene triple system fluorubber (FKM)/foraflon (70 mass parts/30 mass parts)
In addition, internal layer 3 and outer layer 4 be in addition to the resin, in the degree of effect for not reducing the present invention, or in order into
One step improves the effect of the present invention, or further assigns other effects, can coordinate the ingredient other than resin.
It as the ingredient other than resin, is not particularly limited, as the substance of representative, filler can be enumerated.As filler, root
According to the occupation mode of insulated electric conductor, purpose etc., suitably select the substance of inorganic system or the substance of organic system and its additive amount etc. and
It uses.Wherein, the substance of preferably inorganic system, wherein further preferred calcium bicarbonate etc..As use level, relative to the tree
100 mass parts of fat, preferably 10~100 mass parts.
(color masterbatch)
The color masterbatch used in insulated electric conductor 1 contains the colorants such as base resin and pigments or dyes as constituent.
As in color masterbatch base resin, colorant, their use level, properly selected according to various reasons, no
Should be without exception specific, as use level, relative to 100 mass parts of base resin, the use level of colorant is preferably 2~10 mass
Part.
As the base resin of the color masterbatch, preferably vinylidene fluoride polymer (PVdF), low density polyethylene (LDPE)
(LDPE), ethylene-methacrylic acid copolymer (EMMA) etc..
In addition, color masterbatch can contain antistatic agent, stabilizer, fire retardant, lubricant etc. as needed.
(other manner)
In addition, to other embodiments of the present invention, it is described in detail with reference to Fig. 2.
Fig. 2 is the schematic section of an example for the insulated electric conductor for being denoted as other one formula of the present invention.
Insulated electric conductor 11 shown in Fig. 2 is in the same manner as insulated electric conductor 1 shown in FIG. 1, with conductor 2 and in the outer of conductor 2
2 layers of clad of all at least internal layer 3 and outer layer 4, in addition, there is the face with outer layer 4 at least 1 part on the surface of outer layer 4
The painted areas 5 of color different colours.
As the painted areas 5, resin same as the formation for outer layer 4 and color masterbatch can be used (still, to colour
Agent is different, other than base resin etc. it is identical) cooperation substance.
Insulated electric conductor 1 and insulated electric conductor 11 in the periphery of outer layer 4 and then can recognize the color of periphery with it is penetrated
Degree thin layer.
But in the case where colouring the resin clad of insulated electric conductor, using in the shape for the resin clad
At resin combination in coordinate the method for color masterbatch, but as resin clad, fluorubber to be used for the feelings of main component
Under condition, it is difficult to colour, that is, allow to colour, colour saturation is also low, is unable to get the clad to match with requirement.
When more color masterbatches are made an addition to the resin combination, the colour saturation of resin clad also increases, but according to
The base resin of the color masterbatch used is led to the problem of various.
For example, using polyethylene (PE) resin (also containing ethylene-methacrylic acid copolymer (EMMA)) as color masterbatch
Base resin in the case of, aging (give heat after) residual rate of tensile strength, the residual rate of tensile elongation are deteriorated, and use inclined difluoro
In the case of ethene polymers (PVdF), tensile strength, the tensile elongation at initial stage are deteriorated.In addition, the additive amount of color masterbatch increases
When more, fee of material correspondingly increases, and the manufacturing cost of insulated electric conductor increases.
In embodiments of the present invention, it will be set as at least by the clad constituted with fluorubber resin as main component
2 layers, color masterbatches are free of in 2 layers of the internal layer, contain color masterbatches, the institute relative to the outer layer in 2 layers of the outer layer
100 mass parts of ingredient of resin are stated, 2 mass parts the above color masterbatches are contained.The machinery of the insulated electric conductor maintained as a result,
Characteristic, while coloring appropriate may be implemented.
[embodiment]
Hereinafter, show using Examples and Comparative Examples of the present invention evaluation test as a result, to the present invention into one
Step is described in detail.It should be noted that the present invention is not limited to these embodiments.
[clad layer-forming resin combination]
As clad layer-forming resin combination, coordinated shown in following table 1 with being applied in combination shown in following Table 3
Clad layer-forming resin combination.
[table 1]
Table 1 clad layer-forming resin combination example
The cooperation magnitude of each component in above-mentioned table 1 indicates mass parts.
MI (melt index (MI)) in above-mentioned table 1 is the value measured at 210 DEG C of heating temperature, pressurization loading 10kg.
[color masterbatch]
As color masterbatch, the color masterbatch coordinated shown in following table 2 to be applied in combination shown in following Table 3.
[table 2]
The composition example of 2 color masterbatch of table
| Example A | Example B | Example C | |
| LDPE | 100 | ||
| PVdF | 100 | ||
| EMMA | 100 | ||
| Pigment | 5 | 5 | 5 |
| MI (g/10 minutes) | 20 | 15 | 1360 |
The detailed content of each component shown in above-mentioned table 2 is as described below.
LDPE：Low density polyethylene (LDPE)
PVdF：Vinylidene fluoride polymer
EMMA：Ethylene-methacrylic acid copolymer
The cooperation magnitude of each component in above-mentioned table 2 indicates mass parts.
MI (melt index (MI)) in above-mentioned table 2 is the value measured at 210 DEG C of heating temperature, pressurization loading 10kg.
[making of insulated electric conductor 1]
For the formation of clad (internal layer 3 and outer layer 4) resin combination and make an addition to the color of the resin combination
Masterbatch and the cladding number of plies become the mode of the combination of following Table 3, and clad is formed in the periphery of conductor 2.It should be noted that packet
When coating number is 2 layers, color masterbatch makes an addition in outer layer formation resin combination.
Conductor 2 uses sectional area 0.5mm2(TA19/0.19) copper wire.
The formation of clad is carried out using coating electric wire with extruder.
In addition, when 2 layers of conduct clad of formation internal layer 3 and outer layer 4, each thickness of internal layer 3 and outer layer 4 is set to
Its thickness is set as 0.325mm by 0.225mm and 0.100mm when forming 1 layer as clad.Wire external diameter is set as 1.7mm.
[evaluation of insulated electric conductor]
To the insulated electric conductor of making, experiment (appearance color, resistance to ag(e)ing, initial stage tension stress) is conducted the following evaluation.It will knot
Fruit is shown in following Table 3.
(appearance color)
Detect by an unaided eye the appearance color of insulated electric conductor, can will clearly confirm the coloring of cover surface and in length
The range of 50cm does not have the case where non-staining part to be set as A, it is impossible to clearly confirm the coloring of cover surface or in length
There are the case where non-staining part to be set as B for the range of 50cm.
(resistance to ag(e)ing)
It takes out after insulated electric conductor is placed 4 days in the thermostat for being held in 250 DEG C, is surveyed according to JIS C 3005 (1986)
Determine tensile strength and tensile elongation.The residual rate of tensile strength and the residual rate of tensile elongation are calculated separately by the measured value.It will stretch
The residual rate of intensity and the residual rate of tensile elongation are 85% or more to be set as A, any one is set as B less than 85%.
(initial stage tension stress)
Tensile strength and tensile elongation are measured according to JIS C 3005 (1986).It is 8MPa or more by tensile strength and draws
It stretches elongation and is set as A for 100% or more, tensile strength is less than 8MPa or tensile elongation is set as B less than 100%.
It should be noted that in following Table 3, No.1~6 be embodiment, No.7~12 be comparative example.
[table 3]
MI differences in above-mentioned table 3 is described in the MI values and table 2 of clad layer-forming resin combination recorded in table 1
The difference of the MI values of color masterbatch.
The insulated electric conductor of No.1~6 of above-mentioned table 3 all has 2 layers of packet by being constituted with fluorubber resin as main component
Coating, color masterbatches are free of in its internal layer, contain color masterbatches, the ingredient of the resin relative to the outer layer in its outer layer
100 mass parts, more than 2 mass parts of the color masterbatch, appearance color, resistance to ag(e)ing (heat resistance) and initial stage tension stress (machinery
Characteristic) it is good.
The insulated electric conductor of No.7 contains LDPE, thus it is speculated that resistance to old due to only having 1 layer of clad in entire clad
The property changed is lower.
The insulated electric conductor of No.8 contains PVdF, thus it is speculated that initial stage due to only having 1 layer of clad in entire clad
Tension stress is lower.
The insulated electric conductor of No.9 contains EMMA, thus it is speculated that resistance to old due to only having 1 layer of clad in entire clad
The property changed is lower.
The insulated electric conductor of No.10~12 only adds 1 mass parts color due to 100 mass parts of ingredient of the resin relative to outer layer
Masterbatch, thus it is speculated that appearance discoloration is shallow.
Claims (4)
1. a kind of insulated electric conductor, by with fluorubber resin combination structure as main component with conductor and on the conductor
At clad, wherein
The clad at least has 2 layers, is free of color masterbatches in 2 layers of the internal layer, contains color masterbatch in 2 layers of the outer layer
Material, relative to 100 mass parts of ingredient of resin contained in the outer layer formation resin combination, containing more than 2 mass parts
The color masterbatch,
Wherein, 100 mass parts of ingredient relative to resin contained in the outer layer formation resin combination, contain inclined difluoro
10~36 mass parts of ethene polymers, and
The thickness of the outer layer is the 20~50% of the thickness of clad entirety.
2. insulated electric conductor according to claim 1, wherein relative to 100 mass parts of resin for constituting internal layer and outer layer, contain
There are 10~40 mass parts of propylene.
3. insulated electric conductor according to claim 1 or 2, wherein the base resin of the color masterbatch is polyolefin, 210
DEG C, the difference of the melt index (MI) of the resin of its melt index (MI) and the outer layer is within 20g/10 minutes under 10kg.
4. a kind of manufacturing method of insulated electric conductor, the insulated electric conductor has conductor and on the conductor by based on fluorubber
The clad for wanting the resin combination of ingredient to constitute, wherein the clad is set as at least 2 layers, by not adding color masterbatch
Resin combination forms 2 layers of the internal layer, by relative to 100 mass parts resins contained in outer layer formation resin combination
The resin combination for adding the above color masterbatch of 2 mass parts forms 2 layers of the outer layer,
Wherein, poly- containing vinylidene fluoride relative to 100 mass parts of resin contained in the outer layer formation resin combination
10~36 mass parts of object are closed, and
The thickness of the outer layer is the 20~50% of the thickness of clad entirety.
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| CN201510208083.8A CN106158086B (en) | 2015-04-28 | 2015-04-28 | Insulated electric conductor and its manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510208083.8A CN106158086B (en) | 2015-04-28 | 2015-04-28 | Insulated electric conductor and its manufacturing method |
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| CN106158086B true CN106158086B (en) | 2018-11-13 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1767081A (en) * | 2004-10-29 | 2006-05-03 | 国光电子线股份有限公司 | Multi-layer insulated electrical wire |
| CN202796115U (en) * | 2012-08-14 | 2013-03-13 | 上海特缆电工科技有限公司 | High temperature resistant double-layer color separation cross-linking ethylene-tetrafluoroethylene copolymer insulation wire for aviation |
| CN103700435A (en) * | 2012-06-29 | 2014-04-02 | 江苏亨通线缆科技有限公司 | Fireproof digital transmission flexible cable for security signal system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004079382A (en) * | 2002-08-20 | 2004-03-11 | Mitsubishi Cable Ind Ltd | Communication cable |
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2015
- 2015-04-28 CN CN201510208083.8A patent/CN106158086B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1767081A (en) * | 2004-10-29 | 2006-05-03 | 国光电子线股份有限公司 | Multi-layer insulated electrical wire |
| CN103700435A (en) * | 2012-06-29 | 2014-04-02 | 江苏亨通线缆科技有限公司 | Fireproof digital transmission flexible cable for security signal system |
| CN202796115U (en) * | 2012-08-14 | 2013-03-13 | 上海特缆电工科技有限公司 | High temperature resistant double-layer color separation cross-linking ethylene-tetrafluoroethylene copolymer insulation wire for aviation |
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