CN109935382B - Insulated wire and cable - Google Patents
Insulated wire and cable Download PDFInfo
- Publication number
- CN109935382B CN109935382B CN201811102910.5A CN201811102910A CN109935382B CN 109935382 B CN109935382 B CN 109935382B CN 201811102910 A CN201811102910 A CN 201811102910A CN 109935382 B CN109935382 B CN 109935382B
- Authority
- CN
- China
- Prior art keywords
- weight
- parts
- insulated wire
- cable
- resin composition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Abstract
The invention provides an insulated wire and a cable having a resin composition with high heat resistance even if phthalocyanine blue is used as a colorant. The insulated wire is provided with a conductor (11) and an insulating layer (30) provided around the conductor, wherein the insulating layer is formed of a crosslinked resin composition containing (2) 0.05 to 2 parts by weight of phthalocyanine blue and (3) 0.5 to 2 parts by weight of 1, 12-bis [2- (2-hydroxybenzoyl) hydrazino ] dodecane-1, 12-dione (CAS No. 63245-38-5) per 100 parts by weight of (1) a polyolefin resin.
Description
Technical Field
The present invention relates to insulated wires and cables.
Background
Phthalocyanine blue is known as one of the most common organic pigments as a blue colorant for resin compositions, and is used in a large number of resin compositions for coating materials for electric wires and cables. Phthalocyanine blue is also known as copper phthalocyanine, with copper in the chemical structure.
Copper promotes oxidative degradation of polyolefin, and thus, it is difficult to use it in electric wires, cables, and the like, which must have high heat resistance.
Patent document 1 proposes that heat resistance can be improved by adding a specific metal deactivator (3- (N-salicyloyl) amino-1, 2, 4-triazole or isophthalic acid bis (2-phenoxypropionohydrazide) to a phthalocyanine blue-containing resin composition.
In recent years, wires and cables used in railway vehicles, automobiles, and the like are required to be small in diameter and light in weight due to weight reduction of vehicles, space saving, and the like, and more current must be made to flow through the wires having a small conductor cross-sectional area, and the coating material is required to have high heat resistance against heat generation of the conductor. Further, in automobiles, as in railway vehicles, high heat resistance is also required for electric wires and cables because of the electric motorization represented by hybrid automobiles, electronic vehicles, and the like.
Documents of the prior art
Patent document
Patent document 1: japanese examined patent publication (Kokoku) No. 64-5609
Disclosure of Invention
Problems to be solved by the invention
However, if a specific metal deactivator is used, although the heat resistance is improved to some extent, the heat resistance equivalent to that in the case of not containing phthalocyanine blue cannot be satisfied. Therefore, in the case where phthalocyanine blue is not used, there is no need to consider the influence on the heat resistance of the wire or cable, but in the case where phthalocyanine blue is used, there is a problem that the heat resistance of the wire or cable is deteriorated.
Accordingly, an object of the present invention is to provide an insulated wire and cable having high heat resistance even when phthalocyanine blue is used as a colorant.
Means for solving the problems
In order to solve the above problems, the present inventors have studied compounds having a chemical structure capable of capturing copper ions as metal deactivators and combinations thereof, and as a result, have completed the following inventions. That is, as a result of examining various metal deactivators and combinations thereof, it was found that heat resistance equivalent to that obtained without adding phthalocyanine blue can be obtained by using 1, 12-bis [2- (2-hydroxybenzoyl) hydrazino ] dodecane-1, 12-dione in combination with a polyolefin resin containing phthalocyanine blue.
It is further understood that in order to maintain high heat resistance, it is necessary to contain an amount of 1, 12-bis [2- (2-hydroxybenzoyl) hydrazino ] dodecane-1, 12-dione regardless of the content of phthalocyanine blue.
Namely, the present invention is as follows.
[1] An insulated wire comprising a conductor and an insulating layer provided around the conductor, wherein the insulating layer is formed from a crosslinked resin composition containing (2) 0.05 to 2 parts by weight of phthalocyanine blue and (3) 0.5 to 2 parts by weight of 1, 12-bis [2- (2-hydroxybenzoyl) hydrazino ] dodecane-1, 12-dione (CAS No. 63245-38-5) per 100 parts by weight of (1) a polyolefin resin.
[2] The insulated wire according to [1], wherein the insulating layer constitutes an outermost layer.
[3] The insulated wire according to [1] or [2], wherein the insulating layer comprises a plurality of layers, and each of the plurality of layers is formed of the resin composition.
[4] The insulated wire according to any one of [1] to [3], wherein the resin composition contains 100 to 200 parts by weight of the metal hydroxide.
[5] The insulated wire according to [4], wherein the metal hydroxide is magnesium hydroxide and/or aluminum hydroxide.
[6] The insulated wire according to any one of [1] to [5], which has an intermediate layer provided between the conductor and the insulating layer.
[7] The insulated wire according to [6], wherein the intermediate layer is a polyethylene terephthalate (PET) film.
[8] A cable comprising 1 or more insulated wires and a sheath layer provided around the 1 or more insulated wires, wherein the sheath layer is formed from a crosslinked resin composition containing (2) 0.05 to 2 parts by weight of phthalocyanine blue and (3) 0.5 to 2 parts by weight of 1, 12-bis [2- (2-hydroxybenzoyl) hydrazino ] dodecane-1, 12-dione (CAS No. 63245-38-5) per 100 parts by weight of (1) a polyolefin resin.
[9] The cable according to [8], which has a plurality of the aforementioned insulated electric wires, the aforementioned plurality of insulated electric wires being stranded.
[10] The cable according to [8] or [9], the aforementioned resin composition contains 100 to 200 parts by weight of a metal hydroxide.
[11] The cable according to [10], wherein the metal hydroxide is magnesium hydroxide and/or aluminum hydroxide.
[12] The cable according to any one of [8] to [11], wherein the insulated wire is any one of [1] to [7 ].
ADVANTAGEOUS EFFECTS OF INVENTION
According to the present invention, an insulated wire and cable having high heat resistance even if phthalocyanine blue is used in the colorant can be provided.
Drawings
Fig. 1 is a cross-sectional view showing an embodiment of an insulated electric wire of the present invention.
Fig. 2 is a cross-sectional view showing one embodiment of the cable of the present invention.
Fig. 3 is a cross-sectional view showing another embodiment of the cable of the present invention.
Description of the symbols
1: an insulated wire; 3: an insulated wire; 5: an insulating layer; 11: a conductor; 15: a PET film; 20: a cable; 30: an insulating layer; 40: a sheath layer; 50: a cable; 60: an isolation layer; 70: a shielding layer; 80: a multi-core stranded wire; 90: a space; 100: an insulating layer; 110: a flame retardant layer.
Detailed Description
A resin composition that can be used for the insulated wire and cable of the present invention and prevents deterioration in heat resistance due to phthalocyanine blue contained therein will be described.
(base Polymer of resin composition)
In the present invention, a polyolefin resin is preferred as the base polymer used in the resin composition from the viewpoint of imparting insulation properties. Examples of the polyolefin resin used in the present invention include polyethylene, polypropylene, ethylene-propylene copolymers, ethylene-propylene-diene copolymers, ethylene- α -olefin copolymers, ethylene-vinyl acetate copolymers, ethylene-acrylic ester copolymers, and acid-modified products thereof, and these may be used alone or in combination. Among these polyolefin resins, ethylene vinyl acetate copolymers, ethylene α -olefin copolymers and the like are preferably used.
In the present invention, the base polymer means a polymer having the largest content in the resin composition.
In addition to these components, additives such as an antioxidant, a silane coupling agent, a flame retardant aid, a crosslinking agent, a crosslinking aid, a crosslinking accelerator, a surfactant, a softening agent, an inorganic filler, a compatibilizer, a stabilizer, an ultraviolet absorber, and a Hindered Amine Light Stabilizer (HALS) may be added as necessary. In particular, when high heat resistance is required, it is preferable to add an antioxidant, an ultraviolet absorber, or HALS to the base polymer.
(Phthalocyanine blue)
The phthalocyanine blue-containing resin composition is often used as a covering material for a halogen-free insulated wire or cable, and is likely to promote oxidation degradation by copper. Therefore, when phthalocyanine blue is used, the heat resistance of the insulated wire or cable is likely to be lowered.
In the present invention, the content of phthalocyanine blue in the resin composition may be 0.05 to 2 parts by weight, preferably 0.08 to 1.5 parts by weight, and more preferably 0.7 to 1.0 part by weight, based on 100 parts by weight of the polyolefin resin.
Here, when the content of phthalocyanine blue is less than 0.05 parts by weight with respect to 100 parts by weight of the polyolefin resin, the content of copper is reduced with respect to the polyolefin resin, and thus, although there is no problem of a reduction in heat resistance, the coloring property is reduced. When the amount is more than 2 parts by weight, the coloring property does not change much, but the electrical insulating property is adversely affected.
(1, 12-bis [2- (2-hydroxybenzoyl) hydrazino ] dodecane-1, 12-dione (CAS No. 63245-38-5))
In the present invention, 1, 12-bis [2- (2-hydroxybenzoyl) hydrazino ] dodecane-1, 12-dione functions as a metal deactivator that captures copper ions generated from phthalocyanine blue. A variety of such metal deactivators are commercially available. On the other hand, it is also known that the effect varies depending on the form of a compound which supplies metal ions and the like which are present in the resin composition, the case where metal ions are supplied from the outside such as a copper conductor, and the like.
The content of the 1, 12-bis [2- (2-hydroxybenzoyl) hydrazino ] dodecane-1, 12-dione may be 0.5 to 2 parts by weight, preferably 0.75 to 1.5 parts by weight, and more preferably 1 to 1.25 parts by weight, based on 100 parts by weight of the polyolefin resin.
In the case where the amount of 1, 12-bis [2- (2-hydroxybenzoyl) hydrazino ] dodecane-1, 12-dione is less than 0.5 parts by weight relative to 100 parts by weight of the polyolefin resin, improvement in heat resistance is exhibited to some extent but is insufficient. If the amount of 1, 12-bis [2- (2-hydroxybenzoyl) hydrazino ] dodecane-1, 12-dione exceeds 2 parts by weight based on 100 parts by weight of the polyolefin resin, the effect of heat resistance may be saturated, and further, lubricity may be enhanced, and kneading may be prolonged.
In addition, in the wire for railway vehicles, which is required to have high heat resistance, halogen-free flame retardancy is required from the viewpoint of ensuring safety in the event of fire. In such an insulated wire or cable, a metal hydroxide such as magnesium hydroxide or aluminum hydroxide is added as a flame retardant to the coating material. It has also been found that 1, 12-bis [2- (2-hydroxybenzoyl) hydrazino ] dodecane-1, 12-dione has high heat resistance as well as magnesium hydroxide and aluminum hydroxide, and further, even if impurities are contained in the metal hydroxide, the heat resistance can be improved.
(Cross-linking)
When the polyolefin resin required to have high heat resistance as in the present invention is used as a coating material for an insulated wire or cable, crosslinking is necessary to obtain a sufficient insulating effect. That is, the polyolefin resin often has a melting point as described above, and if it is not crosslinked, there is a concern that: when used at a high temperature, the resin is deformed and melted depending on the case.
The crosslinking method is not particularly limited as long as the resin composition can be crosslinked regularly, and for example, the crosslinking can be performed by using saturated water vapor of 1.0 to 3 MPa. In addition, a crosslinking agent and a crosslinking aid may be blended and subjected to crosslinking treatment after extrusion molding.
Further, for convenience of the manufacturing process of the electric wire and the cable, it is preferable to add an organic peroxide to the resin composition for organic peroxide crosslinking by heat, radiation crosslinking by energy of ionizing radiation, or silane crosslinking by grafting a silane coupling agent such as a vinyl alkoxysilane to the resin composition for water crosslinking.
(resin composition)
The resin composition of the present invention can be obtained by crosslinking the base polymer of the above-mentioned predetermined amount of the resin composition, phthalocyanine blue, (1, 12-bis [2- (2-hydroxybenzoyl) hydrazino ] dodecane-1, 12-dione.
Hereinafter, examples of insulated wires and cables preferred in the present invention will be described with reference to the drawings.
Fig. 1 is a cross-sectional view of an insulated wire according to an embodiment of the present invention, taken perpendicular to the longitudinal direction.
(conductor)
The conductor 11 used in the present invention may be made of a general-purpose material such as pure copper, tin-plated copper, copper alloy, aluminum, gold, silver, or the like. Further, a conductor obtained by plating the outer periphery of the metal wire with a metal such as tin or nickel may be used. Further, a stranded conductor obtained by stranding metal wires may be used. The cross-sectional area and the outer diameter of the conductor 11 may be appropriately changed according to the electrical characteristics required for the insulated wire 1, and for example, the cross-sectional area is 1mm2Above 400mm2And an outer diameter of 1.25mm to 25.8 mm.
(insulated wire)
As shown in fig. 1, an insulated wire 1 according to the present embodiment includes an insulating layer 5 around a conductor 11, and the insulating layer 5 is made of the resin composition of the present invention.
Further, the insulating layer 5 can suppress the decrease in heat resistance of the insulated wire 1 in the case of using phthalocyanine blue by the action of the resin composition of the present invention.
In the insulated wire 1, the insulating layer 5 preferably constitutes the outermost layer. By providing the insulating layer 5 formed of the resin composition of the present invention as the outermost layer, deterioration in heat resistance due to the use of phthalocyanine blue can be suppressed.
Further, the insulating layer 5 preferably includes a plurality of layers, each of which is formed of the resin composition of the present invention. This can more effectively suppress a decrease in heat resistance caused by the use of phthalocyanine blue.
In fig. 1, a polyethylene terephthalate (PET) film 15 is in contact with the outer periphery of the conductor 11, and by using the PET film 15, further excellent characteristics in heat resistance and/or abrasion resistance are obtained. By further using the PET film, the resin composition can be prevented from being mixed into the conductor when the insulated wire is manufactured.
In fig. 1, a case of forming a two-layer structure of a PET film and an insulating layer is illustrated, but the present invention is not limited thereto. For example, the structure may be 3-layer with an intermediate layer between the PET film and the insulating layer. That is, the insulating layer does not necessarily have to be a single layer, and may be formed of a stacked structure including a plurality of layers.
(Cable)
Fig. 2 shows a cable 20 of the present invention.
The cable 20 of the present invention has a sheath layer 40 provided around 1 insulating wire, and the sheath layer 40 is composed of the resin composition of the present invention.
That is, the sheath layer 40 used in the present invention is formed of a crosslinked resin composition containing (2) 0.05 to 2 parts by weight of phthalocyanine blue, (3) 0.5 to 2 parts by weight of 1, 12-bis [2- (2-hydroxybenzoyl) hydrazino ] dodecane-1, 12-dione (CAS number 63245-38-5) with respect to 100 parts by weight of (1) the polyolefin resin, as in the resin composition used in the insulated wire described above.
Here, the insulated wire used in the cable of the present invention is not particularly limited as long as it has insulation properties by coating a conductor with an insulating layer or the like.
However, when the effect of the present invention is further obtained, it is preferable to use the insulated wire 1 of the present invention as the insulated wire. This can more effectively suppress the decrease in heat resistance caused by the use of phthalocyanine blue.
The sheath layer 40 is not necessarily a single layer, and may be a laminated structure including a plurality of layers.
Fig. 3 is a cross-sectional view showing a longitudinal direction of a cable 50 according to an embodiment of the present invention. As shown in fig. 3, in the cable 50 of the present invention, the cable core includes a plurality of insulated wires 3, and the plurality of insulated wires 3 are twisted to form a multi-core twisted wire 80. The cable 50 includes a multi-core stranded wire 80, an isolation layer 60, a shield layer 70, and a sheath layer 40. The isolation layer 60 may be provided as needed, and wound around the multi-core stranded wire 80. The shield layer 70 is formed around the isolation layer 60. A space 90 is formed between the multi-core stranded wire 80 and the insulating layer 60, and a sheath layer 40 is formed around the shield layer 70. The sheath layer 40 is made of the resin composition of the present invention, and can suppress deterioration of heat resistance even when phthalocyanine blue is used.
The insulated wire 3 used in the cable of the present invention is not particularly limited as long as it has insulation properties by coating a conductor with an insulating layer or the like. In fig. 3, the insulated wire 3 includes an insulating layer 100 and a flame retardant layer 110 from the conductor 11 to the outside.
As the insulated wire 3 used in the present invention, the insulated wire 1 of the present invention can be used. This makes it possible to produce a cable that can further suppress deterioration due to heat resistance.
The material of the spacer 60 is not limited, and an aluminum laminated PET tape or the like can be used.
The material of the shield layer 70 is not particularly limited, and copper or a copper alloy can be used.
In the present invention, the provision of the sheath layer 40 can suppress a decrease in heat resistance caused by the use of phthalocyanine blue. The jacket layer 40 itself need not be a single layer, and may include multiple layers. Further, another resin layer may be formed between the insulated wire and the sheath layer 40.
In fig. 3, the plurality of insulated wires 3 are formed as a multi-core twisted wire 80, and the plurality of insulated wires 3 may be used without being twisted depending on the use of the cable.
Examples
The present invention will be described in more detail with reference to the following examples, but the present invention is not limited to the following examples.
The materials were weighed in the mixing ratios shown in tables 1 and 2, kneaded by a pressure kneader, extruded as strands, and cooled to prepare pellets.
A cross-sectional area of the conductor is 25mm, which is manufactured by twisting a plurality of tin-plated copper conductors2The tin-plated copper conductor (2) was wound with a polyethylene terephthalate film having a thickness of 20 μm, and the kneaded materials were extrusion-coated to a thickness of 0.9mm, followed by saturation with 1.5MPaGAnd water vapor to crosslink the insulating material, the insulated wire 1 shown in fig. 1 is obtained.
[ Table 1]
[ Table 2]
(evaluation method)
[ initial tensile test ]
The coating material was peeled from the insulated electric wire thus produced, the conductor side of the peeled coating material was polished to be smooth, and then a test specimen punched out by a dumbbell No. 6 described in JISK6251 was stretched at a speed of 200mm/min by a tensile tester to measure the tensile strength and the elongation at break.
[ Heat resistance test (1) ]
The coating material was peeled off from the insulated electric wire thus produced, and the oxidation induction time was measured at 220 ℃ for the peeled coating material using a differential scanning calorimeter. The temperature was raised to 220 ℃ and the reaction was carried out at 10 ℃/min under a nitrogen atmosphere.
The sample having the oxidation induction time longer than that of the reference example to which phthalocyanine blue was not added was regarded as a pass.
[ Heat resistance test (2) ]
A dumbbell was produced according to the method described in the initial tensile test, and a heat aging test was carried out at a temperature of 180 ℃ for 10 days by the method described in JIS K6257. The sample showing an elongation of 50% or more when a constant load is applied to the dumbbell after the heat aging test is regarded as a pass.
[ comprehensive judgment ]
The samples that passed the heat resistance tests (1) and (2) were regarded as passed.
The evaluation results are shown in table 3. It can be seen that examples 1 to 8 within the scope of the present invention maintain high heat resistance despite the addition of phthalocyanine blue. Further, in the heat resistance test (1), the oxidation induction time at 220 ℃ was long as compared with the reference example, and it was found that the addition of 1, 12-bis [2- (2-hydroxybenzoyl) hydrazino ] dodecane-1, 12-dione to the polyolefin resin composition containing magnesium hydroxide improves the heat resistance.
Examples 6 to 8 attempted the combination of 1, 12-bis [2- (2-hydroxybenzoyl) hydrazino ] dodecane-1, 12-dione with other metal deactivators. Although all were acceptable, as can be seen from comparison with example 5, there was no great synergistic effect, and the effect of 1, 12-bis [2- (2-hydroxybenzoyl) hydrazino ] dodecane-1, 12-dione was seen to be great.
Comparative examples 1 and 2 did not contain a metal deactivator, and thus were inferior to the reference examples in heat resistance.
Although comparative examples 3 and 4 were improved in heat resistance by adding a metal deactivator, the heat resistance tests (1) and (2) were not sufficient.
Comparative example 5 had a long oxidation induction time, but failed in the heat resistance test (2). This is considered to be because the time until the oxidation deterioration affects the mechanical properties is short although the oxidation starts late.
Comparative examples 6 to 8, which are combinations of metal deactivators other than 1, 12-bis [2- (2-hydroxybenzoyl) hydrazino ] dodecane-1, 12-dione, all lack synergistic effects and are not satisfactory.
[ Table 3]
(other embodiment and modification)
The evaluation method of the resin composition of the insulated wire of the example was the same as the evaluation method of the sheath material of the cable. It is therefore believed that the same results are obtained in the jacket layer material of the cable.
Further, it is easily conceivable that if the resin composition used in the insulated electric wire and cable of the present invention is used for a hose or the like, high heat resistance can be maintained even if phthalocyanine blue is used.
Claims (11)
1. An insulated electric wire having a conductor, an insulating layer provided around the conductor, and an intermediate layer provided between the conductor and the insulating layer,
the insulating layer is formed of a crosslinked resin composition containing (2) 0.05 to 2 parts by weight of phthalocyanine blue, (3) 0.5 to 2 parts by weight of 1, 12-bis [2- (2-hydroxybenzoyl) hydrazino ] dodecane-1, 12-dione having CAS No. 63245-38-5 as a metal deactivator for trapping copper ions generated from phthalocyanine blue, relative to (1) 100 parts by weight of a polyolefin resin.
2. The insulated wire according to claim 1, wherein the insulating layer constitutes an outermost layer.
3. The insulated wire according to claim 1 or 2, wherein the insulating layer comprises a plurality of layers each formed of the resin composition.
4. The insulated wire according to claim 1 or 2, wherein the resin composition contains 100 to 200 parts by weight of the metal hydroxide.
5. The insulated wire according to claim 4, wherein the metal hydroxide is magnesium hydroxide and/or aluminum hydroxide.
6. The insulated wire according to claim 1, wherein the intermediate layer is a polyethylene terephthalate (PET) film.
7. A cable having 1 or more insulated electric wires and a sheath layer provided around the 1 or more insulated electric wires,
the sheathing layer is formed of a crosslinked resin composition containing, relative to (1) 100 parts by weight of a polyolefin resin, (2) 0.05 to 2 parts by weight of phthalocyanine blue, (3) 0.5 to 2 parts by weight of 1, 12-bis [2- (2-hydroxybenzoyl) hydrazino ] dodecane-1, 12-dione of CAS No. 63245-38-5 as a metal deactivator for catching copper ions generated from phthalocyanine blue.
8. The cable of claim 7 having a plurality of said insulated wires, said plurality of insulated wires being stranded.
9. The cable according to claim 7 or 8, wherein the resin composition contains 100 to 200 parts by weight of a metal hydroxide.
10. Cable according to claim 9, wherein the metal hydroxide is magnesium hydroxide and/or aluminium hydroxide.
11. A cable according to claim 7 or 8, wherein the insulated wire is according to any one of claims 1 to 6.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-241960 | 2017-12-18 | ||
| JP2017241960A JP7045638B2 (en) | 2017-12-18 | 2017-12-18 | Insulated wires and cables |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109935382A CN109935382A (en) | 2019-06-25 |
| CN109935382B true CN109935382B (en) | 2021-12-07 |
Family
ID=66984458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811102910.5A Active CN109935382B (en) | 2017-12-18 | 2018-09-20 | Insulated wire and cable |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP7045638B2 (en) |
| CN (1) | CN109935382B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05271481A (en) * | 1992-03-26 | 1993-10-19 | Sumitomo Chem Co Ltd | Polyolefin resin composition |
| JP2001234001A (en) * | 2000-02-24 | 2001-08-28 | Hitachi Cable Ltd | Flame-retardant resin composition and electric cable by using the same |
| CN101143945A (en) * | 2007-09-04 | 2008-03-19 | 上海新上化高分子材料有限公司 | Color weatherable silane crosslinked polyethylene plastic and application thereof |
| CN102786733A (en) * | 2011-05-19 | 2012-11-21 | 日立电线株式会社 | Halogen-free flame-retardant resin composition, wire and cable |
| CN203013340U (en) * | 2012-11-17 | 2013-06-19 | 金杯电工衡阳电缆有限公司 | Improved structure of control cable wrapping band |
| CN105609175A (en) * | 2014-11-13 | 2016-05-25 | 日立金属株式会社 | Electric wire and cable |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0548122U (en) * | 1991-12-06 | 1993-06-25 | タツタ電線株式会社 | 3-strand cable |
| JP4920901B2 (en) | 2005-04-26 | 2012-04-18 | 株式会社クラベ | Flame retardant electrical insulation composition and electric wire |
| JPWO2011048974A1 (en) | 2009-10-23 | 2013-03-07 | 株式会社フジクラ | Foamed electric wire and transmission cable having the same |
| JP5529567B2 (en) | 2010-02-05 | 2014-06-25 | 矢崎総業株式会社 | Non-halogen insulated wires and wire harnesses |
| JP2015046372A (en) | 2013-07-30 | 2015-03-12 | 日立金属株式会社 | Shield-provided electrically insulated cable |
| JP2015072743A (en) | 2013-10-01 | 2015-04-16 | 日立金属株式会社 | Wire and cable |
-
2017
- 2017-12-18 JP JP2017241960A patent/JP7045638B2/en active Active
-
2018
- 2018-09-20 CN CN201811102910.5A patent/CN109935382B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05271481A (en) * | 1992-03-26 | 1993-10-19 | Sumitomo Chem Co Ltd | Polyolefin resin composition |
| JP2001234001A (en) * | 2000-02-24 | 2001-08-28 | Hitachi Cable Ltd | Flame-retardant resin composition and electric cable by using the same |
| CN101143945A (en) * | 2007-09-04 | 2008-03-19 | 上海新上化高分子材料有限公司 | Color weatherable silane crosslinked polyethylene plastic and application thereof |
| CN102786733A (en) * | 2011-05-19 | 2012-11-21 | 日立电线株式会社 | Halogen-free flame-retardant resin composition, wire and cable |
| CN203013340U (en) * | 2012-11-17 | 2013-06-19 | 金杯电工衡阳电缆有限公司 | Improved structure of control cable wrapping band |
| CN105609175A (en) * | 2014-11-13 | 2016-05-25 | 日立金属株式会社 | Electric wire and cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109935382A (en) | 2019-06-25 |
| JP7045638B2 (en) | 2022-04-01 |
| JP2019110021A (en) | 2019-07-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2013177610A (en) | Non-halogen flame-retardant resin composition, and non-halogen flame-retardant electric wire and cable | |
| US9624366B2 (en) | Crosslinkable halogen-free resin composition, cross-linked insulated wire and cable | |
| US20180294074A1 (en) | Insulating resin composition and insulated electric wire | |
| US10703889B2 (en) | Insulated electric wire and insulating resin composition | |
| EP3104372A1 (en) | Halogen-free flame-retardant insulated wire and halogen-free flame-retardant cable | |
| CN109935382B (en) | Insulated wire and cable | |
| US10755834B2 (en) | Insulated wire | |
| JP2020053216A (en) | Insulated wire | |
| CN113265097B (en) | Flame-retardant resin composition, flame-retardant insulated wire and flame-retardant cable | |
| US10784018B2 (en) | Insulated wire | |
| WO2012005357A1 (en) | Photovoltaic power collection cable | |
| JP6756692B2 (en) | Insulated wire | |
| US20190153208A1 (en) | Insulating resin composition and insulated electric wire | |
| CN111499959A (en) | Resin composition, coated cable, and wire harness | |
| US10964449B2 (en) | Resin composition, insulated electric wire and method of manufacturing insulated electric wire | |
| JP7380494B2 (en) | insulated wire and cable | |
| CN111180122B (en) | Cable with a protective layer | |
| US10851227B2 (en) | Resin composition, insulated electric wire and method of manufacturing insulated electric wire | |
| JP6857310B2 (en) | Manufacturing method of non-halogen flame-retardant resin composition, manufacturing method of insulated electric wire, and manufacturing method of cable | |
| JP2017171700A (en) | cable | |
| JP4964412B2 (en) | Non-halogen flame retardant composition and electric wire | |
| CN111640535A (en) | Electric wire and cable | |
| JP2009263432A (en) | Resin composition for covering wire or cable and wire or cable using the same | |
| JP2020176257A (en) | Resin composition, insulated electric wire and method for manufacturing insulated electric wire | |
| CN115197495A (en) | Flame-retardant electric wire |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |