CN108997664A - sheath material and cable - Google Patents
sheath material and cable Download PDFInfo
- Publication number
- CN108997664A CN108997664A CN201810136808.0A CN201810136808A CN108997664A CN 108997664 A CN108997664 A CN 108997664A CN 201810136808 A CN201810136808 A CN 201810136808A CN 108997664 A CN108997664 A CN 108997664A
- Authority
- CN
- China
- Prior art keywords
- cable
- copolymer
- vinyl
- haloflex
- ethylene
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
- C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or compounds containing halogen
- C08L23/286—Chlorinated polyethylene
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Insulated Conductors (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention provides a kind of sheath material and cable, is able to maintain that sliding property and has bending easiness.The sheath material is formed by the cross-linking agent of elastomer resin composition, mixture of the elastomer resin composition comprising vinyl copolymer and haloflex is as basic polymer, the vinyl copolymer is selected from at least one kind of of ethylene-alpha-olefin copolymer, vinyl-vinyl acetate copolymer, vinyl-acrylate copolymer and these copolymers and the terpolymer of other monomers, largest static coefficient of friction between the cross-linking agent is lower than 1.0, and the hardness measured using A type hardness tester is lower than 85.
Description
Technical field
The present invention relates to sheath materials and cable.
Background technique
Cable has insulated electric conductor and the restrictive coating on the insulated electric conductor periphery.Above-mentioned insulated electric conductor have conductor and
Insulating layer on conductor periphery, above-mentioned restrictive coating are set on above-mentioned insulating layer periphery.In this way, above-mentioned restrictive coating is matched
It is placed in the most peripheral of cable, is by being formed using rubber, resin as the electrical insulating property material of primary raw material.
Such as a kind of coating resin combination of insulated electric conductor is disclosed in patent document 1, contain polystyrene thermoplastic
Property elastomer, ethylene-alpha-olefin resin, viscosity 100cs silicone oil below, paraffin series oil and room temperature under be solid fatty acid acyl
Amine.
In addition, disclosing following technologies in patent document 2: passing through the insulating layer or restrictive coating in flat cable conductor periphery
Organosilicon powder is added in the fire retardant resin composition of middle at least one party, to improve between insulating layer and restrictive coating or insulating layer
Sliding property.
In addition, disclosing following technologies in patent document 3, it may be assumed that by the way that by insulation core wire, (it passes through in conductor periphery quilt
The thermoplastic resin as insulator is covered to be formed) in the twisted and multicore cable that constitutes, thermoplastic resin is set as including polyester
Elastomer forms, and by the organic system high molecular weight silicone polymer containing 0.5~3.0 mass %, provides resist bending, resistance to torsion
The cable turned.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2001-31903 bulletin
Patent document 2: Japanese Unexamined Patent Publication 2003-7144 bulletin
Patent document 3: Japanese Unexamined Patent Publication 2008-218061 bulletin
Summary of the invention
Problems to be solved by the invention
As described above, the restrictive coating of cable is the layer for being configured at cable most peripheral, thus, for example in the restrictive coating of rubber system
In the case that such frictional resistance is big, contact due to the contact, (2) cable between (1) cable with other articles etc. and be difficult to cloth
Line.Especially as with the encapsulated cable (Cabtire cable) of movable part cable that connect equipment and move together and use
In, in the case that the frictional resistance of restrictive coating is big, contact due to the contact, (2) cable between (1) cable with other articles is deposited
Conductor inside the insulated electric conductor inside cable corrugation (う ね り), cable is knotted (kink), is bent, is sent out inside insulated electric conductor
The problem of raw broken string.
On the other hand, it for the purpose for the frictional resistance for reducing restrictive coating, has studied and aforementioned such adds organosilicon powder
Technology, the hybrid technology of organosilicon polymer, but there are frictional resistance as cable is extremely increased using the increase of time
Possibility, be inadequate from the viewpoint of maintaining sliding property.
The polymer using excellent in sliding property representated by fluororesin is also contemplated, but fluororesin is not suitable for needing to hold
Flexible cable.
There is the sheath material or cable for being bent easiness the object of the present invention is to provide sliding property is maintained.
The method for solving problem
[1] sheath material of a mode of the invention is following sheath materials: its by elastomer resin composition crosslinking
Object is formed, and the elastomer resin composition polymerize based on the mixture comprising vinyl copolymer and haloflex
Object, it is total that the vinyl copolymer is selected from ethylene-alpha-olefin copolymer, vinyl-vinyl acetate copolymer, ethylene-acrylate
At least one kind of, the largest static friction system between the cross-linking agent of polymers and these copolymers and the terpolymer of other monomers
Number is lower than 1.0, and the hardness measured using A type hardness tester is lower than 85.
[2] sheath material according to [1], wherein the chlorinity of the haloflex is 25 mass % or more 40
Quality % or less.
[3] sheath material according to [1] or [2], wherein the haloflex and the vinyl copolymer
Mass ratio is 50:50~90:10.
[4] sheath material according to [3], wherein the vinyl copolymer is ethylene-vinyl acetate c
Object.
[5] a kind of cable has conductor, the insulating layer around the conductor and around the insulating layer
Restrictive coating, the restrictive coating are formed by the cross-linking agent of elastomer resin composition, and the elastomer resin composition includes ethylene
The mixture of based copolymer and haloflex is copolymerized as basic polymer, the vinyl copolymer selected from ethylene-alpha-olefin
The ternary polymerization of object, vinyl-vinyl acetate copolymer, vinyl-acrylate copolymer and these copolymers and other monomers
Object it is at least one kind of；Largest static coefficient of friction between the cross-linking agent is lower than 1.0, is lower than using the hardness that A type hardness tester measures
85。
[6] cable according to [5], wherein the chlorinity of the haloflex is 25 mass % or more, 40 matter
Measure % or less.
[7] cable according to [5] or [6], wherein the quality of the haloflex and the vinyl copolymer
Than for 50:50~90:10.
[8] cable according to [7], wherein the vinyl copolymer is vinyl-vinyl acetate copolymer.
" corrugation " refers to, cable as between cable contact or cable with frictional resistance caused by the contact of other articles and
Restrictive coating distortion forms cable core that is insulated electric conductor is twisted and constituting and scatters, configures the state being disturbed.If with this side
Formula insulated electric conductor operates in the state of being disturbed, then unnatural bending, the conductor inside insulated electric conductor are generated in insulated electric conductor
It knots and is bent.Result, it is believed that " corrugation " is able to suppress if the frictional resistance for reducing cable, to inhibition cable " corrugation "
Cable surface frictional resistance maximum value is studied, as a result, it has been found that, if the largest static coefficient of friction of sheath interlayer is lower than
1.0, then it is able to suppress " corrugation " of cable.
In addition, if restrictive coating is hard, cable is difficult to curved even if the largest static coefficient of friction of sheath interlayer is lower than 1.0
It is bent, it is difficult to carry out cable distribution operation.Therefore, by the way that the hardness of restrictive coating measured using A type hardness tester is set below 85,
It can be realized the cable being easily bent.
Bending easiness although haloflex can satisfy cable needed for, but frictional resistance is big, therefore only with chlorination
Polyethylene cannot achieve the largest static coefficient of friction of sheath interlayer lower than 1.0.Thus, it could be seen that by using selected from as electricity
The imagination of cable has the ethylene-alpha-olefin copolymer of crystallization, ethane-acetic acid ethyenyl ester total using 25 DEG C~60 DEG C of temperature region
The copolymerization of at least one kind of ethylene system of polymers, vinyl-acrylate copolymer and these copolymers and the terpolymer of other monomers
The mixture of object and haloflex can not make bending easiness make the largest static friction system of sheath interlayer with being greatly reduced
Number reduces, and maintains sliding property.
The effect of invention
In accordance with the invention it is possible to provide the sheath material or cable for maintaining sliding property and there is bending easiness.
Detailed description of the invention
Fig. 1 is the figure for showing the cable of one embodiment of the present invention.
Fig. 2 is the figure for showing largest static measuring friction coefficient method.
2: insulated electric conductor；3: restrictive coating；4: cable；21: conductor；22: insulating layer；PL1: it is fixed with the plate of cable；PL2:
It is fixed with the plate of cable；θ: angle.
Specific embodiment
1. elastomer resin composition
The elastomer resin composition of present embodiment contains the mixture conduct of vinyl copolymer and haloflex
Base polymer, vinyl copolymer are selected from ethylene-alpha-olefin copolymer, vinyl-vinyl acetate copolymer, ethylene-acrylic acid
Ester copolymer and these copolymers and the terpolymer of other monomers it is at least one kind of.By using the mixture, can not make
Bending easiness reduces the largest static coefficient of friction between cross-linking agent with being greatly reduced.In addition, as haloflex, ethylene
Material as shown below can be used in based copolymer.
1.1 haloflex
Haloflex is for example obtained by following methods: water is made in linear polyethylene (high density to low-density) powder
Chlorine, is blown into system by property suspension with approaching the temperature of material polyethylene crystalline melting point.Haloflex passes through non-homogeneous
System reaction obtains, therefore is non-crystalline rubber-like, it is thus possible to be tied with hemicrystalline, crystalline plastic shape monomer to control
Crystalline substance.Haloflex is the thermoplastic elastomer (TPE) with extensive characteristic.By using haloflex, cable institute can satisfy
The bending easiness needed.
In addition, can be improved oil resistivity by using haloflex.Thereby, it is possible to inhibit because being attached to the oil such as machinery oil
Caused by cable deterioration.
The chlorinity of haloflex is preferably 40 mass % or less.Chlorinity is that the quality % of chlorine in haloflex is dense
Degree.In addition, preferably not having crystallization about haloflex.
In addition, if chlorinity is more than 40 mass %, then become with the approximate property of polyvinyl chloride, can be really up to the mark.In addition, with
The compatibility of aftermentioned vinyl copolymer reduces.Accordingly, there exist the possibility that tensile strength reduces.On the other hand, preferably chlorination is poly-
The chlorinity of ethylene is 25 mass % or more, 40 mass % or less.In the case that chlorinity is lower than 25 mass %, there are oil resistivitys
Reduced tendency.The chlorinity of more preferable haloflex is 30 mass % or more, 40 mass % or less, 35 mass % or more 40
Quality % or less.
1.2 vinyl copolymer
As vinyl copolymer, it is suitble to use vinyl-vinyl acetate copolymer, ethylene-alpha-olefin copolymer, ethylene-
Acrylate copolymer etc..They have crystallization in 25 DEG C or more 60 DEG C or less Zuo You of temperature region.By using these second
The mixture of alkene based copolymer and haloflex, can not make be bent easiness be greatly reduced will between cross-linking agent maximum it is quiet
Only coefficient of friction is set below 1.0.
Vinyl-vinyl acetate copolymer (EVA) is the copolymer of ethylene and vinyl acetate.
Ethylene-alpha-olefin copolymer is the copolymer of ethylene and alhpa olefin.
Vinyl-acrylate copolymer is the copolymer of ethylene and acrylate.As acrylate, can enumerate makes propylene
Ethylene-methyl acrylate copolymer can be used as vinyl-acrylate copolymer in ester obtained by acid and alcohol esterification
(EMA), ethylene-ethyl acrylate copolymer (EEA), ethylene-butyl acrylate copolymer (EBA) etc..In addition it is also possible to be to connect
The polymer that branch polymer etc. is manufactured by distinct methods.
In addition, vinyl-vinyl acetate copolymer, ethylene-alpha-olefin copolymer, vinyl-acrylate copolymer can be with
It is modifier.Such as polar functional group modification can be used.As polar functional group, epoxy group, carboxyl, maleic anhydride can be enumerated
Base.It can be used for example with maleic anhydride modified ethylene-alpha-olefin copolymer.
In addition it is possible to use constituting vinyl-vinyl acetate copolymer, ethylene-alpha-olefin copolymer and ethylene-acrylic acid
The terpolymer of 2 kinds of monomers and other monomers of the copolymer of ester copolymer.Can be used for example ethylene and acrylate with
The terpolymer of other monomers.As such terpolymer, it can be mentioned, for example ethylene-maleic acid-methyl acrylates
Copolymer, ethylene-maleic acid-ethyl acrylate copolymer etc..
By using the mixture of haloflex and above-mentioned vinyl copolymer as basis polymer in this way,
Bending easiness can not be made to reduce the largest static coefficient of friction between cross-linking agent with being greatly reduced.In this case, it reduces
The frictional resistance of base polymer itself, therefore, the case where such as will not assigning sliding property by addition organosilicon powder that
Sample frictional resistance is extremely increased with cable using the time, is able to maintain that sliding property, is useful.
Then, shown in the embodiment as be described hereinafter, the mass ratio of haloflex and vinyl copolymer be 50:50~90:
In the case where 10, excellent characteristic is formed.More preferably 70:30~90:10.Because the blending ratio in vinyl copolymer is low
In the case where 10, largest static coefficient of friction becomes larger；In the case where the blending ratio of vinyl copolymer is more than 50, can become
It obtains really up to the mark.
In addition, having centainly in the case where having used vinyl-vinyl acetate copolymer as vinyl copolymer
Polarity increases with the compatibility of haloflex.In this way, in present embodiment, for example, be mixed with organic system high score
The case where son amount organosilicon polymer, is good compared to compatibility, as a result, can be improved the mechanical properties such as tensile strength.
In addition, vinyl-vinyl acetate copolymer can adjust pliability by vinyl acetate content.Especially,
The vinyl acetate content of vinyl-vinyl acetate copolymer is that 25~35 mass % are preferred.Vinyl acetate content is low
In 25 mass %, then some are hard, if it exceeds 35 mass % then close to property as rubber, thus frictional resistance is easy to become
Greatly.Vinyl acetate content is the quality % concentration of vinyl acetate in vinyl-vinyl acetate copolymer.
In above-mentioned base polymer, it can according to need addition various additives.Additive is illustrated below.
1.3 crosslinking agent
In order to improve the heat resistance of base polymer, oil resistivity, furthermore improve the mechanical properties such as tensile strength, preferably add
Sulphur compound, organic peroxide are crosslinked base polymer using electronbeam irradiation, Silane Grafted water crosslinking etc..It can also
To use the silanol condensation catalyst masterbatch for being added to silanol condensation catalyst.It is polymerize in present embodiment using ethylene system
Object, therefore be preferably crosslinked by what electronbeam irradiation, organic peroxide carried out, it is particularly preferably logical in order to improve the degree of cross linking
Cross the crosslinking of organic peroxide progress.As crosslinking agent, such as 1,3- bis- (2- t-butylperoxyisopropyls) can be used
The organic peroxides such as benzene, cumyl peroxide (DCP).In turn, in order to improve the degree of cross linking, triallyl cyanogen urea can be used together
The multifunctional lists such as acid esters (TAC), Triallyl isocyanurate (TAIC), trimethylol-propane trimethacrylate (TMPT)
Cross-linking aid as body.In addition, such as ethylene thiourea, bisbenzothiazole disulphide, three can be used as cross-linking aid
The sulphur compounds such as methylthiourea.
1.4 stabilizer
In order to inhibit the deterioration of base polymer, stabilizer can be used.As stabilizer, it can be mentioned, for example tribasic sulphur
The lead such as lead plumbate system stabilizer, tin compound, epoxy stabilizer, hydrotalcite, Ca/Zn system stabilizer etc..
Especially, in the present embodiment, haloflex is contained in base polymer, therefore preferred addition can capture chlorine
Change the stabilizer of hydrogen.As such stabilizer, hydrotalcite-based compound, epoxidised soybean oil etc. can be used.Pass through addition
Such stabilizer can capture the hydrogen chloride for being formed in work in-process or use and being generated in the case where high temperature.
1.5 reinforcing material
For mechanical properties such as the tensile strengths that improves base polymer, reinforcing material can be used.As reinforcing material,
Carbon black can be used.
1.6 antioxidant
In order to inhibit the oxidation of polymer, amine antioxidant can be used.As amine antioxidant, example can be used
Such as hexichol amine compound, quinoline based compound.As hexichol amine compound, diphenylamine derivatives (Kawaguchi can be enumerated
Learn industrial (strain) system, ANTAGE DDA (trade name)) etc..In addition, 2,2,4- trimethyls-can be enumerated as quinoline based compound
1,2- dihydroquinoline is overlapped object (trade name: NOCRAC 224, JIS abbreviation TMDQ) etc..These amine antioxidants can be independent
It is used using or by two or more mixing.Especially, hexichol amine compound, quinoline based compound are suitable for catching for free radical
It catches.
1.7 other additives
As other additives, fire retardant can be used, lubricant, surfactant, softening agent, plasticizer, inorganic fill out
Fill agent, compatibility agent, metal-chelator (copper evil inhibitor), ultraviolet absorbing agent, light stabilizer, colorant etc..
2. sheath material
The sheath material of present embodiment refers to the cross-linking agent of above-mentioned elastomer resin composition.Above-mentioned elastomer resin group
It closes object and sheath material is made by crosslinking Treatment.Although crosslinking Treatment has by applying heat, electron ray after cable is coating
The method for waiting energy to carry out, but it is required to large-scale equipment, a large amount of energy.And crosslinked with silicane mode is by making in advance
Silane coupling agent chemical bonding is in the polymer molecule as restrictive coating, so crosslinking is after restrictive coating is formed due to the work of moisture
With and carry out, because being able to carry out the excellent cables manufacturing of the feature of environmental protection, economy without large-scale equipment, a large amount of energy.
Further, it is also possible to be heated to promote cross-linking reaction, further with regards to specific cross-linking method, to steam
The place of the keepings such as room, the outer, thermostatic chamber of Indoor environment etc., condition (humidity, temperature, time etc.) also no requirement (NR).
In the sheath material of present embodiment, the largest static coefficient of friction between cross-linking agent is lower than 1.0.Because it was found that such as
Largest static coefficient of friction between fruit cross-linking agent is lower than 1.0, then about the contact between cable, even if may with script conductive cable contacts
Property the metal materials contact such as high reel, be also able to suppress the corrugation of cable.Largest static between more preferable cross-linking agent, which rubs, is
Number is 0.4 or more 0.9 or less, 0.4 or more 0.7 or less, 0.4 or more 0.6 or less.
The hardness of the sheath material of present embodiment measured using A type hardness tester is lower than 85.More preferably utilize A type hardness tester
The hardness measured is 74 or more 83 or less, 74 or more 80 or less.Because realizing more easily curved cable.
For example, above-mentioned elastomer resin composition is kneaded, using extrusion shaping machine etc. in the cable formed by insulated electric conductor
After squeezing out around core and being coated above-mentioned elastomer resin composition, implement crosslinking Treatment, forms sheath material in cable core periphery.It is mixed
Common device can be used in refining, extrusion.
3. the composition of cable
Fig. 1 is the figure for indicating the cable of present embodiment.Fig. 1 is the sectional view of cable.
As shown in Figure 1, the cable of present embodiment is with cable made of being twisted together as more (being 4 in Fig. 1) insulated electric conductors 2
Core, periphery are formed with restrictive coating 3.Insulated electric conductor 2 has the insulating layer 22 of conductor 21 and coated conductor 21.It can also be in cable core
Spacer (not shown) etc. is arranged in periphery, and restrictive coating 3 is arranged in its periphery.
Conductor 21 is formed such as the conductive material as copper or copper alloy (such as tin annealed copper wire), has defined conductor
Sectional area.The conductor diameter of conductor 21 is not particularly limited, depending on the application the most suitable numerical value of appropriate selection.
As the material of insulating layer 22, the material generally used in cable can be used.As insulating layer 22, can be used
Such as ethylene-propylene rubber mixture.In addition it is possible to use fluororesin (such as ethylene-tetrafluoroethylene copolymer (ETFE) etc.)
As insulating layer 22.Fluororesin can make the mechanical properties such as tensile strength, excellent in sliding property, keep thickness thin.Thereby, it is possible to realize
The diameter of cable is thinner.
Restrictive coating 3 is formed by foregoing elastomers resin combination.Specifically, by as foregoing elastomers resin combination
Cross-linking agent sheath material constitute.
The cable of present embodiment is suitable for movable part cable, can be used for encapsulated cable, robot cable, medical treatment
With cable and various flexible cables.
4. the preparation method of cable
Next, being illustrated to the manufacturing method of the cable of present embodiment.
Firstly, preparing the more insulated electric conductors 2 for being coated with insulating layer 22 on conductor 21.By more insulated electric conductors of preparation
2 is twisted, forms cable core.Next, being squeezed out around cable core using extrusion shaping machine etc. and being coated above-mentioned elastomer resin combination
Object.
Next, implementing crosslinking Treatment by elastomer resin composition to coating cable core (such as utilizes predetermined temperature
The processing that carries out of high steam) be crosslinked above-mentioned elastomer resin composition, form the restrictive coating 3 of cable core periphery.As a result,
To the cable of present embodiment.Here, the cable with more insulated electric conductors 2 is illustrated, there is 1 insulated electric conductor 2
Cable in the case where also can equally operate, it is coating with restrictive coating 3.
Here, it constitutes in the insulator (cross-linking agent of elastomer resin composition) of above-mentioned restrictive coating 3, between the cross-linking agent
Largest static coefficient of friction is lower than 1.0.In addition, constituting the hardness of the cross-linking agent of above-mentioned restrictive coating 3 measured using A type hardness tester
Lower than 85.
It in this way, according to the present embodiment, will be by being total to haloflex and ethylene system as basic polymer
The cross-linking agent that the elastomer resin composition of the mixture of the definite quality ratio of polymers is formed is used for the restrictive coating of cable, thus energy
Enough improve the sliding property and bending easiness of cable.Specifically, the largest static coefficient of friction between cross-linking agent can be set as
Lower than 1.0, the sliding property of cable can be improved.Resistance when contact, (2) cable and other articles contact between (1) cable as a result,
Reduce, the wiring of cable becomes easy.In turn, the hardness of the coat layer of power cable measured using A type hardness tester can be set as low
In 85, as a result, cable can be made to be easily bent, the wiring of cable is become easy.
Especially, sliding property is maintained by the sheath material that the elastomer resin composition of present embodiment is formed and had
Be bent easiness, therefore even if be used as with the encapsulated cable of movable part cable that connect equipment and move together and use
Restrictive coating in the case where, the corrugation of the cable generated when being also able to suppress Reusability cable.If in insulated electric conductor with this
Kind mode operates in the state of being disturbed, then unnatural bending is generated in insulated electric conductor, the conductor inside insulated electric conductor can be beaten
Knot, bending.According to the sheath material formed by the elastomer resin composition of present embodiment, due to inhibiting above-mentioned corrugation,
It is able to suppress knotting, the bending of the conductor inside the insulated electric conductor inside cable, avoids the broken string etc. of insulated electric conductor inner conductor,
Improve the characteristic of cable.
Embodiment
Hereinafter, using embodiment, further specifically to the elastomer resin composition of present embodiment and the bullet is used
The cable of property body resin combination is illustrated.Wherein, the present invention is not by any restrictions of following embodiment.
The elastomer resin composition of each embodiment is adjusted with condition as follows.
1. elastomer resin composition
Silane Grafted pretreatment: the mixture of haloflex used in grafting processing and vinyl copolymer is carried out
Following pretreatment.Using 8 inch roller machines by powdered haloflex kneading, stabilizer, lubricant, peroxidating are added wherein
Object.As compounding conditions, roll surface temperature is 100 DEG C, and whole additive kneadings are kneaded 5 minutes after being mixed into haloflex.
After additive is kneaded, sheet material is made, the shape of about 5mm square is granulated into.
Silane Grafted processing: grafting processing is come real by using the single screw extrusion machine (L/D=25) of screw diameter 40mm
It applies.Using full thread shape, the screw rod of compression ratio 2.0, mold is squeezed out using thread (strand) and uses mold (apertureHole
Number 3), it is squeezed out with the shape of thread.Set temperature is successively set as 1:80 DEG C of cylinder since hopper side, and 2:200 DEG C of cylinder, die head:
200℃；Screw rod revolution is set as 20rpm (extrusion output about 120g/ minutes).For through the pretreated haloflex of Silane Grafted with
The particle of the mixture of vinyl copolymer contains silane sufficiently and is dipped into polybag.By from extruder hopper for should
Grain and squeeze out.The thread of the mixture of the Silane Grafted haloflex and vinyl copolymer of extrusion passes through the water of length 150cm
After slot is to water cooling, it is granulated.
Addition of the filler to Silane Grafted haloflex and the mixture of vinyl copolymer: 8 inch roller machines are used
Plasticizer, antioxidant, carbon black, lubricant are added to the mixture of Silane Grafted haloflex and vinyl copolymer, into
Row is kneaded.Compounding conditions are 100 DEG C of roll surface temperature, be kneaded within 5 minutes after putting into whole additives.Sheet material after mixing
It is granulated into the shape of about 5mm square.
The production of silanol condensation catalyst masterbatch: using 8 inch roller machines, and roll surface temperature is set as 100 DEG C, poly- to chlorination
The mixture of ethylene and vinyl copolymer, silanol condensation catalyst are kneaded.Originally haloflex is rubbed with roller
Afterwards, catalyst is put into, then carries out being kneaded for 3 minutes.Sheet material after mixing is granulated into the shape of about 5mm square.
2. the manufacture and crosslinking Treatment of cable
It is being twisted together conductor cross sectional area 0.3mm made of more tin annealed copper wires2, outer diameter 0.7mm conductor on, with 0.5mm
Thickness squeeze out mixture and the crosslinking of coating ethylene-propylene rubber copolymer, insulated electric conductor is obtained, by 4 insulated electros
On cable core made of line is twisted, using the single screw extrusion machine (L/D=25) of screw diameter 20mm, squeezed out with the thickness of 1.2mm
The particle and silanol of the mixture of coating Silane Grafted haloflex and vinyl copolymer by added with filler contract
Mixture obtained by the particle of conjunction catalyst masterbatch is dry-mixed, to make the cable of final outer diameter about 6.8mm.Set temperature is from material
Bucket side starts successively to be set as 1:120 DEG C of cylinder, and 2:130 DEG C of cylinder, die head: 130 DEG C, mould neck: 130 DEG C, mold: 130 DEG C；Screw rod
Revolution is 20rpm；Use full thread shape, the screw rod of compression ratio 2.0.Cable after production is by being set as temperature 50 C, phase
To saving 24 hours progress crosslinking Treatments in the constant temperature and humidity cabinet of humidity 95%.
In above-described embodiment, in order to complete mixing, graft reaction, roller machine, extruder have been used, in addition to this, as long as
Mixing that kneader, mixer, autoclave etc. generally use, reaction unit are just not particularly limited, about they mixing, connect
Branch reaction condition (temperature, time), also not by any restriction of above range.Similarly, the manufacture about above-mentioned cable squeezes out
Machine, cable core, crosslinking condition be not also by any restriction.
In addition, when the sheet material after being kneaded is granulated, it can be with coating particle antitack agent, in silane impregnation mixture
When grain, or prevent the mutual of particle from bonding and being coated with talcum etc..In addition, mixing when about Silane Grafted pretreatment
Condition is also not particularly limited, and considers that thermal decomposition does not occur for peroxide and additive is well dispersed in haloflex to set
It is fixed.
In addition, the VIII group or tin, zinc, titanium etc. such as magnesium, Gai Deng II race, cobalt, iron can be enumerated as silanol condensation catalyst
Element, metallic compound, octanoic acid or metal salt, amine compound, the acid of adipic acid etc..More specifically, dioctyl can be used
It is two neodecanoic acid ester of tin, dibutyltin dilaurate, dibutyltin bisacetate, dibutyl tin dicaprylate, stannous acetate, pungent
Sour stannous, lead naphthenate, zinc octoate, cobalt naphthenate, ethylamine, dibutylamine, hexyl amine, pyridine, sulfuric acid, hydrochloric acid etc. are inorganic
The organic acids such as acid, toluenesulfonic acid, acetic acid, stearic acid, maleic acid.
[table 1]
[table 2]
[table 3]
Evaluation: cable is evaluated by test as shown below and benchmark.
(1) tension test
For the cable of production, tension test is carried out according to IEC60811-1-1.To be suitble to the International Electrotechnical Commi hair
The mode of SE4 specified in capable IEC60254-1, by tensile strength 10MPa or more as qualification.In addition, by elongation at break
300% or more as qualification.
(2) Durometer A hardness (hardness measured using A type hardness tester) is tested
Restrictive coating is peeled from cable, smooths the concave-convex of surface by grinding.It will in such a way that total thickness is 6mm or more
3 restrictive coatings below are overlapped, as sample.According to JIS K 6253, using A type hardness tester meter (durometer) to the sample
It is measured.By Durometer A hardness lower than 85 as qualified.
(3) oil resistivity
For the cable of production, oil resistant test is carried out according to IEC60811-2-1.To be suitble to the International Electrotechnical Commi hair
The mode of SE4 specified in capable IEC60254-1 uses IRM902 oil as impregnation oils, with 100 DEG C of oil temperature, dip time 24
After the condition dipping of hour, tensile strength remnants rate, tensile elongation remnants rate are evaluated.By tensile strength remnants rate, tensile elongation
Remaining rate is 60% or more sample conduct qualification.
(4) largest static coefficient of friction
For the cable of production, largest static coefficient of friction is found out by gradient method.Fig. 2 is to indicate largest static friction system
The figure of number measuring method.As shown in the perspective view of Fig. 2 (a), by (such as the extension of the long side of plate of 2 cables and defined direction
Direction) it is fixed on rectangular slab in parallel.The outer diameter of cable is 29mm, is self-possessed for 650g, length 50cm.The configuration of cable periphery
There is sheath material 3.Prepare two sets of such plates.Next, cable (sheath material will be fixed with as shown in the sectional view of Fig. 2 (b)
Material) plate (PL1, PL2) by between cable by plumbness contact in a manner of be overlapped.Then, the of the plate PL1 of downside will be set to
After 1 end is fixed, by plate PL1 since level start it is slow it is inclined in a manner of, raise the 2nd end, measure setup is in the plate PL2 of upside
Angle, θ when sliding.Using the value of tan θ as the largest static coefficient of friction between cable (between cross-linking agent), it will be less than 1.0 conducts
It is qualified.
(5) comprehensive judgement
The sample of above-mentioned (1)~(4) will all be met as qualification.
In addition, in 1~table of table 3, ML indicate 121 DEG C, preheating 1 minute after by 4 minutes when Mooney viscosity (minimum),
Melt mass flow rate under 190 DEG C of MFR expression, 2.16kg loading.
Will be above-mentioned evaluation result is shown in table 1 to table 3.
In the present embodiment, in Examples 1 to 8 shown in Tables 1 and 2, the largest static coefficient of friction between cable is lower than
1.0, the corrugation for being able to suppress cable can be confirmed.Especially as in the encapsulated cable of movable part cable, even if encapsulated electricity
Contact between cable is to contact a possibility that contacting encapsulated cable with script with regard to metal materials such as high reels, is also able to suppress cable
Corrugation.
In addition, the frictional resistance of cable by the self weight of cable, the variation of the article contacted and change, thus be difficult to seek
Most suitable material is looked for, on the basis of the largest static coefficient of friction between cable, can be easy and universally carry out cable to rub
Wipe the judgement of resistance.In addition, if being aforementioned gradient method, then largest static coefficient of friction can be easily found out.
In turn, it can also confirm that, in Examples 1 to 8, lower than 85, cable is easy the hardness measured using A type hardness tester
Bending.Especially with connect equipment and move together in the movable part cable that uses, be easily bent, can be reduced by cable
Power for keeping cable mobile can reduce the load of the motor of winding cable etc..
Above-described embodiment 1~7, for largest static coefficient of friction and Durometer A hardness, obtains compared with comparative example 1~3
Good numerical value, in addition, the characteristics such as oil resistivity, tensile strength, elongation at break are also good.In the Examples 1 to 8, chlorination
The mass ratio of polyethylene and vinyl copolymer is 50:50~90:10, by using the base polymer of such mixing ratio, energy
Access the good sheath material of characteristic.It can be seen that, wherein the tensile strength relative to embodiment 8, after Examples 1 to 7 oil-impregnated
Remaining rate is high, and in terms of oil resistivity, Examples 1 to 7 is more more excellent than embodiment 8.
As the reasons why generating such difference in terms of oil resistivity, thus it is speculated that there are two reasons.Think that a reason is chlorine
Change the chlorinity of polyethylene.Think that the polarity of the polymer if the chlorinity of haloflex is few reduces, thus the parent with oil
Increase with property, the tensile strength after oil-impregnated reduces.On the other hand, it is believed that the agglutination energy if chlorinity is more between chlorine atom
Increase, thus the rigidity of polymer improves, elongation at break (ductility) reduces, and hardness excessively increases；Furthermore it is also believed that chlorination is poly-
The difference of the polymer polarity of ethylene and vinyl-vinyl acetate copolymer becomes larger, and the compatibility between polymer reduces, thus ductility
It reduces.
Second the reason is that haloflex blending ratio.Think, if the blending ratio of haloflex increases,
Property as rubber is significant, and sliding property reduces；On the contrary, if the blending ratio of vinyl-vinyl acetate copolymer increases,
Crystallization content in mixed polymer increases, therefore ductility reduces, while hardness increases, on this basis, in mixed polymer
Chlorine dose tails off, and oil resistivity also reduces.
The chlorinity of haloflex is more in comparative example 1, therefore Durometer A hardness is 85, unqualified.
The additive amount of vinyl-vinyl acetate copolymer is few in comparative example 2, therefore largest static coefficient of friction is 1.2, no
It is qualified.
The additive amount of vinyl-vinyl acetate copolymer is more in comparative example 3, therefore Durometer A hardness is 86, unqualified.
Wherein, in the above-described embodiment and examples, using the cross sectional shape of cable as positive round or substantially positive round (referring to Fig.1)
Restrictive coating for be illustrated, but the cross sectional shape of cable is not limited to above-mentioned shape.Such as it can be by above-mentioned sheath
Material is used for flat cable.
In this way, for the coefficient of friction under cable shape different situations, the sheath for being pasted with and peeling can be used
The dummycable of material is measured.Such as the cylindric dummycable using cable equal extent with above-mentioned (4) middle explanation,
All or part of in its periphery peels the restrictive coating of flat cable, is fixed on dummycable, be 29mm with such as outer diameter,
Self weight is 650g, the mode that length is 50cm adjusts, and using above-mentioned sample, can measure coefficient of friction.
As described above, the present invention is not limited to the above-described embodiment and examples, it, can in range without departing from the spirit
To there is various changes.
Claims (8)
1. a kind of sheath material is formed by the cross-linking agent of elastomer resin composition,
The elastomer resin composition is used as basic polymer comprising the mixture of vinyl copolymer and haloflex,
The vinyl copolymer is selected from ethylene-alpha-olefin copolymer, vinyl-vinyl acetate copolymer, ethylene-acrylate
Copolymer and these copolymers and the terpolymer of other monomers it is at least one kind of,
Largest static coefficient of friction between the cross-linking agent is lower than 1.0, and the hardness measured using A type hardness tester is lower than 85.
2. sheath material according to claim 1, wherein the chlorinity of the haloflex is 25 mass % or more 40
Quality % or less.
3. sheath material according to claim 1 or 2, wherein the haloflex and the vinyl copolymer
Mass ratio is 50:50~90:10.
4. sheath material according to claim 3, wherein the vinyl copolymer is ethylene-vinyl acetate c
Object.
5. a kind of cable has conductor, the insulating layer around the conductor and the sheath around the insulating layer
Layer,
The restrictive coating is formed by the cross-linking agent of elastomer resin composition,
The elastomer resin composition is used as basic polymer comprising the mixture of vinyl copolymer and haloflex,
The vinyl copolymer is selected from ethylene-alpha-olefin copolymer, vinyl-vinyl acetate copolymer, ethylene-acrylate
Copolymer and these copolymers and the terpolymer of other monomers it is at least one kind of,
Largest static coefficient of friction between the cross-linking agent is lower than 1.0, and the hardness measured using A type hardness tester is lower than 85.
6. cable according to claim 5, wherein the chlorinity of the haloflex is 25 mass % or more, 40 matter
Measure % or less.
7. cable according to claim 5 or 6, wherein the quality of the haloflex and the vinyl copolymer
Than for 50:50~90:10.
8. cable according to claim 7, wherein the vinyl copolymer is vinyl-vinyl acetate copolymer.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017111382A JP6975378B2 (en) | 2017-06-06 | 2017-06-06 | Sheath material and cable |
| JP2017-111382 | 2017-06-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108997664A true CN108997664A (en) | 2018-12-14 |
| CN108997664B CN108997664B (en) | 2022-11-01 |
Family
ID=64573824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810136808.0A Active CN108997664B (en) | 2017-06-06 | 2018-02-09 | Sheathing material and cable |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6975378B2 (en) |
| CN (1) | CN108997664B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113265097A (en) * | 2020-02-17 | 2021-08-17 | 日立金属株式会社 | Flame-retardant resin composition, flame-retardant insulated wire and flame-retardant cable |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7439573B2 (en) * | 2020-03-05 | 2024-02-28 | 株式会社プロテリアル | Thermoplastic rubber composition, method for producing thermoplastic rubber composition, electric wire and cable |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4180531A (en) * | 1976-11-16 | 1979-12-25 | Dominic Alia | Processible and vulcanizable polar polymers |
| JPH0341139A (en) * | 1989-07-07 | 1991-02-21 | Hitachi Cable Ltd | Polymer blend composition |
| JPH0581933A (en) * | 1991-09-24 | 1993-04-02 | Hitachi Cable Ltd | Electric wire-cable |
| JPH0641391A (en) * | 1991-02-06 | 1994-02-15 | Hitachi Cable Ltd | Insulating composition and its production |
| JPH09251811A (en) * | 1996-01-11 | 1997-09-22 | Tatsuta Electric Wire & Cable Co Ltd | Resin composition for cable sheath or air hose having flexibility and low friction property |
| JP2011144286A (en) * | 2010-01-15 | 2011-07-28 | Sumitomo Electric Ind Ltd | Flame-retardant flexible resin composition, and resin tube and insulated electric wire using the same |
| CN102863703A (en) * | 2012-10-10 | 2013-01-09 | 江苏恒峰线缆有限公司 | Low-temperature-resistant high-elasticity chlorinated polyethylene blend and preparation method thereof |
| CN103073801A (en) * | 2013-01-22 | 2013-05-01 | 辽宁科瑞德电缆有限公司 | Water-producing natural crosslinking flame-retardant CPE elastomer and preparation method thereof |
| CN103210036A (en) * | 2011-07-14 | 2013-07-17 | 住友电气工业株式会社 | Flame-retardant, flexible resin composition and resin tube and insulated wire using same |
| CN103709539A (en) * | 2013-12-19 | 2014-04-09 | 广州凯恒科塑有限公司 | High-temperature oil-resistant and flame-retardant chlorinated polyethylene heat-shrinkable tubing as well as preparation method and application thereof |
| CN104194173A (en) * | 2014-09-05 | 2014-12-10 | 连云港德翔新材料有限公司 | Composite material for manufacturing cable and preparation method thereof |
| CN104277343A (en) * | 2013-07-09 | 2015-01-14 | 日立金属株式会社 | Chlorinated polyethylene composition, wire, cable and the method for producing the chlorinated polyethylene composition |
| JP2015118817A (en) * | 2013-12-18 | 2015-06-25 | 日立金属株式会社 | Cable using non-halogen flame-retardant resin composition |
| JP2015117318A (en) * | 2013-12-18 | 2015-06-25 | 日立金属株式会社 | Flame-retardant resin composition, and wire and cable using the same |
| CN104788835A (en) * | 2014-05-30 | 2015-07-22 | 安徽天彩电缆集团有限公司 | Chlorinated polyethylene cable sheath for cable used for coal cutter |
| CN105609193A (en) * | 2014-11-13 | 2016-05-25 | 日立金属株式会社 | Electric wire and cable |
| JP2016222875A (en) * | 2015-06-03 | 2016-12-28 | 日立金属株式会社 | Elastomer composition and cable |
| CN108503915A (en) * | 2017-02-24 | 2018-09-07 | 日立金属株式会社 | sheath material and cable |
-
2017
- 2017-06-06 JP JP2017111382A patent/JP6975378B2/en active Active
-
2018
- 2018-02-09 CN CN201810136808.0A patent/CN108997664B/en active Active
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4180531B1 (en) * | 1976-11-16 | 1987-03-10 | ||
| US4180531A (en) * | 1976-11-16 | 1979-12-25 | Dominic Alia | Processible and vulcanizable polar polymers |
| JPH0341139A (en) * | 1989-07-07 | 1991-02-21 | Hitachi Cable Ltd | Polymer blend composition |
| JPH0641391A (en) * | 1991-02-06 | 1994-02-15 | Hitachi Cable Ltd | Insulating composition and its production |
| JPH0581933A (en) * | 1991-09-24 | 1993-04-02 | Hitachi Cable Ltd | Electric wire-cable |
| JPH09251811A (en) * | 1996-01-11 | 1997-09-22 | Tatsuta Electric Wire & Cable Co Ltd | Resin composition for cable sheath or air hose having flexibility and low friction property |
| JP2011144286A (en) * | 2010-01-15 | 2011-07-28 | Sumitomo Electric Ind Ltd | Flame-retardant flexible resin composition, and resin tube and insulated electric wire using the same |
| CN103210036A (en) * | 2011-07-14 | 2013-07-17 | 住友电气工业株式会社 | Flame-retardant, flexible resin composition and resin tube and insulated wire using same |
| CN102863703A (en) * | 2012-10-10 | 2013-01-09 | 江苏恒峰线缆有限公司 | Low-temperature-resistant high-elasticity chlorinated polyethylene blend and preparation method thereof |
| CN103073801A (en) * | 2013-01-22 | 2013-05-01 | 辽宁科瑞德电缆有限公司 | Water-producing natural crosslinking flame-retardant CPE elastomer and preparation method thereof |
| CN104277343A (en) * | 2013-07-09 | 2015-01-14 | 日立金属株式会社 | Chlorinated polyethylene composition, wire, cable and the method for producing the chlorinated polyethylene composition |
| JP2015118817A (en) * | 2013-12-18 | 2015-06-25 | 日立金属株式会社 | Cable using non-halogen flame-retardant resin composition |
| JP2015117318A (en) * | 2013-12-18 | 2015-06-25 | 日立金属株式会社 | Flame-retardant resin composition, and wire and cable using the same |
| CN103709539A (en) * | 2013-12-19 | 2014-04-09 | 广州凯恒科塑有限公司 | High-temperature oil-resistant and flame-retardant chlorinated polyethylene heat-shrinkable tubing as well as preparation method and application thereof |
| CN104788835A (en) * | 2014-05-30 | 2015-07-22 | 安徽天彩电缆集团有限公司 | Chlorinated polyethylene cable sheath for cable used for coal cutter |
| CN104194173A (en) * | 2014-09-05 | 2014-12-10 | 连云港德翔新材料有限公司 | Composite material for manufacturing cable and preparation method thereof |
| CN105609193A (en) * | 2014-11-13 | 2016-05-25 | 日立金属株式会社 | Electric wire and cable |
| JP2016222875A (en) * | 2015-06-03 | 2016-12-28 | 日立金属株式会社 | Elastomer composition and cable |
| CN108503915A (en) * | 2017-02-24 | 2018-09-07 | 日立金属株式会社 | sheath material and cable |
Non-Patent Citations (2)
| Title |
|---|
| 朱华英 等: "一种新型低成本绝缘橡胶电缆护套配方的研究", 《世界橡胶工业》 * |
| 王文广 等: "《塑料改性实用技术》", 31 March 2000, 中国轻工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113265097A (en) * | 2020-02-17 | 2021-08-17 | 日立金属株式会社 | Flame-retardant resin composition, flame-retardant insulated wire and flame-retardant cable |
| CN113265097B (en) * | 2020-02-17 | 2023-12-12 | 株式会社博迈立铖 | Flame-retardant resin composition, flame-retardant insulated wire and flame-retardant cable |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6975378B2 (en) | 2021-12-01 |
| CN108997664B (en) | 2022-11-01 |
| JP2018206625A (en) | 2018-12-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102762650B (en) | Composition for use in wire coating material, insulated wire and wire harness | |
| JP6942484B2 (en) | Sheath material and cable | |
| CN107406659A (en) | Wire covering materials composition, insulated electric conductor and wire harness | |
| JP2008031354A (en) | Non-halogen flame-retardant thermoplastic elastomer composition and method for producing the same and electric wire/cable using the same | |
| JP6350129B2 (en) | Wire covering material composition, insulated wire and wire harness | |
| CN103347953A (en) | Composition for electric wire covering materials, insulated wire, and wiring harness | |
| JP6295886B2 (en) | Wire covering material composition, insulated wire and wire harness | |
| CN108623975A (en) | Wire covering materials composition, insulated electric conductor and harness | |
| CN110938274B (en) | Silane cross-linked semiconductive shielding material and preparation method and application thereof | |
| JP2016050288A (en) | Composition for wire covering material, insulated wire and wire harness | |
| CN108997664A (en) | sheath material and cable | |
| JP6720711B2 (en) | cable | |
| KR100949633B1 (en) | Semiconductive peelable closslinked resin composition and manufactured insulating cable using the same | |
| JP6776584B2 (en) | Manufacturing method of electric wires and cables | |
| JP2000319464A (en) | Semi-conductive resin composition and crosslinked polyethylene-insulated electric power cable | |
| JP7157539B2 (en) | Wiring material | |
| JP6720565B2 (en) | Insulated wire and cable | |
| JP2015118817A (en) | Cable using non-halogen flame-retardant resin composition | |
| JP2005206763A (en) | Molded material of silane-crosslinked polymer and electric wire/cable using the same | |
| JP6969082B2 (en) | Catalyst batch, electric wire / cable formed using it, and its manufacturing method | |
| CN111423652B (en) | Resin composition, insulated wire, and method for producing insulated wire | |
| JP7067590B2 (en) | Compositions for wire coverings, insulated wires and wire harnesses | |
| JP7157540B2 (en) | Wiring material | |
| JP7157541B2 (en) | Wiring material | |
| JP6786847B2 (en) | Manufacturing method of electric wires and cables |
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 |