CN103450541A - Flame-retardant non-crosslinking resin composition and wire, cable using the same - Google Patents
Flame-retardant non-crosslinking resin composition and wire, cable using the same Download PDFInfo
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- CN103450541A CN103450541A CN2012105926197A CN201210592619A CN103450541A CN 103450541 A CN103450541 A CN 103450541A CN 2012105926197 A CN2012105926197 A CN 2012105926197A CN 201210592619 A CN201210592619 A CN 201210592619A CN 103450541 A CN103450541 A CN 103450541A
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Abstract
The object of the invention is to provide a flame-retardant non-crosslinking resin composition, which is provided with the high anti-varnish performance meeting the requirement of the anti-varnish experiment standardized by the CSA, is provided with the high flame-retardant performance meeting the requirement of the vertical burning experiment standardized by the CSA, and is provided with the excellent anti-tensile performance, the excellent tensile elongation performance, and other mechanical characteristics. The invention also provides a wire and a cable meeting the CSA standard and the UL standard. The solution of the object of the invention is that the flame-retardant non-crosslinking resin composition contains the following materials, which are 100 wt% of base polymer taking EVA as main ingredients and having more than 30wt% of VAC by comparing with the base polymer, 20-80 wt% of fire retardant, and 0.1-20 wt% of amine-group anti-oxygen.
Description
Technical field
The electric wire, the cable that the present invention relates to flame retardant resistance non-crosslinked resin composition and use said composition, further specifically, relate to testing vertical flammability (FT-1 test) and the flame retardant resistance non-crosslinked resin composition of anti-varnish test and electric wire, the cable that uses said composition that can meet Canadian base standard (CSA).
Background technology
In various electric wires, the cables such as insulated line, insulated cable, conductor or outer cover are insulated coating by coating material.The various electric wires of distribution, cable etc. in for electronic equipment machine, lower (for example as temperature rating, below 105 ℃) electric wire, the coating material of cable, in order to improve the flame retardant resistance of coating material, collaboration has the cross-linked polyolefin flame retardant resistance non-crosslinked resin compound of fire retardant usually.
In order to give the flame retardant resistance of height, need to add a large amount of fire retardants, the known tensile elongation characteristic that consequently causes significantly reduces.
On the other hand, in the insulated line of the domestic use of Canada, insulated cable, be connected the various electric wires of use with public power according to each state law regulation of Canada, must meet CSA(Canadian Standards Association, Canadian Standards Association) standard.
At length stipulated each characteristic that product needed meets in such CSA standard, wherein need to meet the testing vertical flammability that is called as FT-1 that relates to flame retardant resistance, and need to meet the anti-varnish test that relates to anti-varnish, in the CSA standard, meeting these two characteristics is the strictest projects that require.
As anti-varnish insulated line in the past or the insulating material of cable, proposed for the resin combination that is combined with hydrocarbon processing oil, then and be that oxidation inhibitor and hindered phenol are the insulating material (refer to Patent Document 1) of oxidation inhibitor as oxidation inhibitor with sulphur.
In addition, as additive method, proposed that to coordinate phenol at the ethylene, propylene based elastomers below 70 in as the resin combination of main component be the insulating material (referring to Patent Document 2) of oxidation inhibitor to usining mooney viscosity.
Reported that these insulating material also all meet the anti-varnish test (patent documentation 1: paragraph [0025], patent documentation 2: hurdle, page 4 upper right, 3: the 8 hurdles of patent documentation, the 55th row～the 60th row) of CSA standard C 22.2No.116 record.
The prior art document
Patent documentation
Patent documentation 1: Japanese kokai publication hei 05-112679 communique
Patent documentation 2: Japanese kokai publication hei 02-006546 communique
Patent documentation 3: No. 4381362nd, United States Patent (USP)
Like this, all the time, in order to meet the anti-varnish test of electric wire, cable, in general, and be that oxidation inhibitor and phenol are that oxidation inhibitor is suitable as oxidation inhibitor with sulphur, but then, the CSA standard is again examined at any time, is revised, research according to inventor etc., even these have used the resin combination of oxidation inhibitor, can not realize meeting in existing CSA C22.2No.127-09 the anti-varnish test of stipulating.
In addition, as using mooney viscosity at the ethylene, propylene based elastomers below 70 resin combination as main component, when using soft material as the base polymer composition, although the tendency of visible anti-varnish raising does not also enough meet existing above-mentioned anti-varnish test.On the other hand, such resin combination, the mechanical characteristics such as its tensile strength and tensile elongation and flame retardant resistance significantly reduce.
Summary of the invention
Invent problem to be solved
Therefore, the objective of the invention is: when being provided at the anti-varnish that shows the height that meets the anti-varnish test of stipulating in CSA C22.2No.127-09, the flame retardant resistance that shows the height of the testing vertical flammability FT-1 that meets the CSA standard, and the flame retardant resistance non-crosslinked resin composition of the mechanical characteristics excellences such as tensile strength, tensile elongation characteristic, and the electric wire with excellent specific property, the cable that use said composition.For solving the method for problem
In order to achieve the above object, by the invention provides following flame retardant resistance non-crosslinked resin composition and electric wire, cable.
[1] a kind of flame retardant resistance non-crosslinked resin composition, it contains: 100 mass parts take the base polymer of content more than 30 quality % that ethylene vinyl acetate copolymer (EVA) is main component, vinyl acetate, with respect to described base polymer 100 mass parts, the fire retardant of 20～180 mass parts, and the amine of 0.1～20 mass parts is oxidation inhibitor.
[2], according to the flame retardant resistance non-crosslinked resin composition described in above-mentioned [1], described amine is that oxidation inhibitor is N-(2H-1,2,4-triazole-5-yl) salicylic amide.
[3] a kind of electric wire, it possesses: conductor, and use the flame retardant resistance non-crosslinked resin composition described in above-mentioned [1] or [2] and the isolator that coats, form on the periphery of described conductor.
[4] a kind of cable, it possesses: have conductor and the electric wire of the isolator that coats, form on the periphery of described conductor, and use the flame retardant resistance non-crosslinked resin composition described in above-mentioned [1] or [2] and the sheath that coats, form on described electric wire periphery.
The present invention is by coordinate the amine of specified amount be oxidation inhibitor take in the base polymer of content more than 30 quality % of the vinyl acetate (VA) that ethylene vinyl acetate copolymer (EVA) is main component, thereby soft and anti-varnish test and other characteristics also excellent flame retardant resistance non-crosslinked resin composition and electric wire, the cable that uses said composition can be provided.
In technology in the past, disclose and be that oxidation inhibitor and hindered phenol are that oxidation inhibitor is resultful with sulphur, but point out these effects insufficient in the inventor's etc. research, and point out that using EVA and complex amine in polymkeric substance is that oxidation inhibitor is the most resultful.
Although coordinating described amine is that oxidation inhibitor is that resultful detailed mechanism is not clear, thinks as described below.That is, anti-varnish test is after coating varnish, varnish to be solidified on electric wire.By coordinate the oxidation inhibitor with free radical scavenging effect in resin combination, will be suppressed at the over-curing of the varnish of electric wire and varnish near interface, thereby easily meet anti-varnish test in this case.Although hindered phenol in the past is oxidation inhibitor is also the similarly oxidation inhibitor for having the free radical scavenging effect of oxidation inhibitor with amine of the present invention, but because amine is that the intermiscibility of the resin such as the general and EVA of oxidation inhibitor is low, in electric wire and the easy frosting of varnish near interface, think and can be observed the effect that amine is the anti-varnish test improvement of oxidation inhibitor.
The effect of invention
As mentioned above, it is a kind of when demonstration meets the anti-varnish of height of the anti-varnish test of stipulating in CSA C22.2No.127-09 that the present invention can provide, the flame retardant resistance that shows the height of the testing vertical flammability FT-1 that meets the CSA standard, and the flame retardant resistance non-crosslinked resin composition of the mechanical characteristics excellences such as tensile strength, tensile elongation characteristic, and the electric wire with excellent specific property, the cable that use said composition.
The accompanying drawing explanation
Fig. 1 possesses copper conductor for schematically showing, and uses flame retardant resistance non-crosslinked resin composition and the sectional view of the electric wire that the embodiment of the present invention of the isolator that coats, form relates on the periphery of copper conductor.
Fig. 2 is the sectional view that schematically shows the cable that the embodiments of the present invention that possess following part relate to.Described part is: the electric wire of 3 isolators that possess copper conductor and coat on the periphery of copper conductor, form, Jie of the paper become with the common twisted of electric wire is at thing, the writing that surpasses all the others band be wound around on periphery, and coat by extruding the sheath that described flame retardant resistance non-crosslinked resin composition forms as outermost.
The explanation of symbol
1 copper conductor
2 isolators
3 sheaths
4 are situated between at thing
5 writing that surpasses all the others bands
10 electric wires
20 cables
Embodiment
The embodiment summary
The flame retardant resistance non-crosslinked resin composition of present embodiment is in the flame retardant resin composition that contains resin and fire retardant, the composition that contains following material, described material is: 100 mass parts take the base polymer of content more than 30 quality % that ethylene vinyl acetate copolymer (EVA) is main component, vinyl acetate, with respect to base polymer 100 mass parts, the fire retardant of 20～180 mass parts, and the amine of 0.1～20 mass parts is oxidation inhibitor.
Embodiment
Below, flame retardant resistance non-crosslinked resin composition of the present invention is described and uses the electric wire of said composition, the embodiment of cable.
1. flame retardant resistance non-crosslinked resin composition
The flame retardant resistance non-crosslinked resin composition related to about present embodiment, contain: 100 mass parts take the base polymer of content more than 30 quality % that ethylene vinyl acetate copolymer (EVA) is main component, vinyl acetate, with respect to base polymer 100 mass parts, the fire retardant of 20～180 mass parts, and the amine of 0.1～20 mass parts is oxidation inhibitor.Below, each moiety is described.
(1) base polymer
The flame retardant resistance non-crosslinked resin composition related to about present embodiment, contain and take the base polymer that ethylene vinyl acetate copolymer (EVA) is main component.The content of vinyl acetate in this base polymer (VA) is more than 30 quality %.If VA, containing quantity not sufficient 30 quality %, likely can not get sufficient anti-varnish.As long as VA content, more than 30 quality %, is not particularly limited its upper limit, but in the situation that, for winter hardiness being had to electric wire, the cable of requirement, preferably VA content is made as to less than 60 quality %.In addition, also can make the mode of vinyl acetate content more than 30 quality % in base polymer, other polyolefine of blending in EVA.
As other polyolefine, can enumerate for example Low Density Polyethylene (LDPE), straight-chain low density polyethylene (LLDPE), straight chain ultra-low density polyethylene (VLDPE), high density polyethylene(HDPE) (HDPE), ethylene-propylene acetoacetic ester interpolymer (EEA), ethylene-methyl methacrylate glycidyl ester interpolymer, ethene-butene-1 interpolymer, ethene-butylene-hexene terpolymers, ethylene-propylene-diolefine terpolymers (EPDM), ethylene-octene interpolymer (EOR), the ethenyl copolymer polypropylene, ethylene-propylene copolymer body (EPR), poly 4-methylpene-1, toxilic acid grafting Low Density Polyethylene, hydrogenated styrene-butadiene copolymer body (H-SBR), the toxilic acid grafted linear low density polyethylene, ethene and carbonatoms are at the interpolymer of 4～20 alpha-olefin, ethene-styrene copolymer, toxilic acid grafted ethene-methyl acrylate copoly body, toxilic acid grafted ethene-vinyl acetate copolymerized body, ethene-maleic anhydride interpolymer, ethylene-propylene acetoacetic ester-maleic anhydride terpolymers, the ethylene-propylene that the butene-1 of take is main component-butene-1 terpolymers etc., in addition, can enumerate the chlorinatedpolyethylene as the resin that contains halogen, chlorosulfonated polyethylene, Chlorinated Polypropylene III etc.These can use separately one kind or two or more mixing to use.
(2) amine is oxidation inhibitor
The flame retardant resistance non-crosslinked resin composition related to about present embodiment, with respect to base polymer 100 mass parts, the amine that contains 0.1～20 mass parts is oxidation inhibitor.As the amine used in present embodiment, be oxidation inhibitor, can enumerate for example N-(2H-1, 2, 4-triazole-5-yl) salicylic amide, 6-oxyethyl group-1, 2-dihydro-2, 2, the 4-trimethylquinoline, the N-phenyl-1-naphthylamine, alkylated diphenylamine, octylated diphenylamine, 4, 4 '-bis-(α, α-dimethylbenzyl) pentanoic, 2, 2, 4-trimethylammonium-1, 2-dihydroquinoline polymkeric substance, ρ (ρ toluol sulfonamide) pentanoic, N, N '-bis--2-naphthyl-ρ phenylenediamine, N, N '-phenylbenzene ρ phenylenediamine, N-phenyl-N '-sec.-propyl ρ phenylenediamine, N-phenyl-N '-(1, the 3-dimethylbutyl)-ρ phenylenediamine, N-phenyl-N '-(3-iso-butylene acyl-oxygen base-2-hydroxypropyl)-ρ phenylenediamine, 1, two [2-(the 1-oxygen base-2-phenoxy propyl) hydrazides of 3-phenylformic acid, 2 ', 3-is two, and [3-(3, the 5-di-tert-butyl-hydroxy phenyl) propionyl] the propionyl hydrazine, dodecanedioic acid two [2-(2-hydroxy benzoyl) hydrazides] etc.Wherein, be preferably N-(2H-1,2,4-triazole-5-yl) salicylic amide.These can use separately one kind or two or more mixing to use.
Amine be the content of oxidation inhibitor with respect to base polymer 100 mass parts, be 0.1～20 mass parts.If less than 0.1 mass parts, likely can not get the sufficient property improvement of anti-varnish effect, if surpass 20 mass parts, likely can affect other the physical property beyond anti-varnish.
(3) fire retardant
The flame retardant resistance non-crosslinked resin composition related to about present embodiment, with respect to base polymer 100 mass parts, the fire retardant that contains 20～180 mass parts.Generally speaking, fire retardant can roughly be divided into halogen flame retardant and non-halogen flame retardant, but in the present embodiment, can use any in halogen flame retardant and non-halogen flame retardant, in addition, can also and use halogen flame retardant and non-halogen flame retardant.Wherein, addition while adding halogen flame retardant monomer, with respect to base polymer 100 mass parts, preferably more than 20 mass parts below 150 mass parts, addition while adding non-halogen flame retardant monomer, with respect to base polymer 100 mass parts, preferably more than 80 mass parts below 180 mass parts.
As the halogen flame retardant, as applicable example, can enumerate for example TDE, tetrabromo-bisphenol-bis-(2,3-dibromopropyl ether), decabromodiphynly oxide, octabromodiphenyl ether, pentabromodiphenyl oxide, tetrabromo-bisphenol, tetrabromo-bisphenol-bis-(allyl ethers), tetrabromo-bisphenol-bis-(2-hydroxy ethers), the hexabromo cyclodecane, two (tribromophenoxy) ethane, the tetrabromo-bisphenol epoxy oligomer, the tetrabromobisphenol A carbonic ester oligopolymer, the two tetrabromo phthalimides of ethylene, poly-dibromobenzene aether, 2,4,6-tribromophenol, tetrabromo-bisphenol-bis-(acrylate), tetrabromophthalic anhydride, the tetrabromophthalic anhydride glycol, 2,3-dibromo-propanol, phenylstilbene bromide, the tetrabromo phenyl maleimide, poly-(pentabromo-benzyl) acrylate, three (tribromo neo-pentyl) phosphoric acid ester, three (dibromo phenyl) phosphoric acid ester, three (tribromo phenyl) phosphoric acid ester, 1,2,3,4,7,8,9,10,13,13,14,14-phosphoric acid ester, two (hexachlorocyclopentadiene) cyclooctane, clorafin, the homochlorcyclizine pentadecane, tetrachlorophthalic tetrachlorophthalic anhydrid, chlorendic acid, ten dichloro cyclooctane etc.Wherein, more preferably TDE.These can use separately one kind or two or more mixing to use.In addition, these halogen flame retardants can also and be used with antimony compoundss such as ANTIMONY TRIOXIDE SB 203 99.8 PCT, four weisspiessglanzs, antimony pentaoxide, potassium antimonate, sodium antimonates.
As non-halogen flame retardant, as applicable example, can enumerate metal hydroxidess such as magnesium hydroxide, aluminium hydroxide, potassium hydroxide; The 1,3,5-triazines derivatives such as trimeric cyanamide, the acid of cyanogen urea, tricyanic acid, cyanogen urea acid trimeric cyanamide, sulfuric acid trimeric cyanamide; The zn cpdss such as zinc, zinc hydroxyl stannate, zinc borate, zinc oxide etc.These can use separately one kind or two or more mixing to use.In addition, these fire retardants can also be through silane coupling agent; Titanic acid ester is coupling agent; The lipid acid such as stearic acid, calcium stearate or fatty acid metal salt etc. carry out using after surface treatment.
The content of fire retardant, with respect to base polymer 100 mass parts, is 20～180 mass parts.If less than 20 mass parts, likely can not get sufficient flame retardant resistance, if surpass 180 Quality Mgmt Dept, the elongation characteristic likely significantly reduces.
(4) other moiety
Except above-mentioned moiety, can add as required oxidation inhibitor beyond metal passivator, amine system, other the additives such as fire retardant, flame retardant, lubricant, inorganic filler, compatilizer, stablizer, carbon black, tinting material.Wherein, these additives can be used the material usually used.
Metal passivator is to form and carry out stable metal ion by inner complex, has the material that suppresses antioxidant effect.As metal passivator, for example can enumerate 2 ' as applicable example, two [3-(3,5-di-tert-butyl-hydroxy phenyl) propionyl] the propionyl hydrazines of 3-.
As the oxidation inhibitor beyond amine system, can enumerate such as phenol is that oxidation inhibitor, sulphur are oxidation inhibitor etc.As phenol, be oxidation inhibitor, [3-(3 for example can to enumerate butylated hydroxytoluene (BHT), tetramethylolmethane four, the 5-di-tert-butyl-hydroxy phenyl) propionic ester], 1,3,5-tri-(3, the 5-di-tert-butyl-4-hydroxyl benzyl)-guanamine, 4,6-(1H, 3H, 5H) triketone, sulfo-di ethylene bis [3-(3,5-di-tert-butyl-hydroxy phenyl) propionic ester] etc.
Be oxidation inhibitor as sulphur, as applicable example, can enumerate for example tetramethylolmethane four (3-lauryl thiopropionate).
As other fire retardant, as being applicable to example can be enumerated boronic acid compounds such as zinc borate, lime borate, barium borate, barium metaborate, phosphorus flame retardant, the mixture of foaming ingredient and cure component forms during by burning the expansion as fire retardant (イ Application テ ユ メ Star セ Application ト) flame retardant etc.
These other moiety can be used separately one kind or two or more mixing to use.
2. electric wire, cable
As shown in Figure 1, the electric wire 10 of present embodiment possesses by copper conductor 1, and the isolator 2 that coats, forms with described flame retardant resistance non-crosslinked resin composition on the periphery of copper conductor 1 forms.In addition, as shown in Figure 2, the cable 20 of present embodiment possesses electric wire 10, and the sheath 3 that coats, forms with described flame retardant resistance non-crosslinked resin composition on the periphery of electric wire 10 forms.More specifically, the cable 20 of present embodiment possesses get off to form: 3 possess copper conductor 1 and use described flame retardant resistance non-crosslinked resin composition or general used insulative resin and the electric wire 10 of the isolator 2 that coats, form on the periphery of copper conductor 1, the paper become with the common twisted of electric wire 10 etc. are situated between at thing 4, the writing that surpasses all the others band 5 be wound around on periphery, and as the outermost sheath 3 that coats described flame retardant resistance non-crosslinked resin composition and form of extruding.Because the electric wire 10 of present embodiment and cable 20 possess isolator 2 or the sheath 3 that uses described flame retardant resistance non-crosslinked resin composition to coat, form, therefore the anti-varnish, the flame retardant resistance that there is height, and aspect the mechanical characteristicies such as tensile elongation characteristic excellence.
Embodiment
Below, further illustrate the present invention by embodiment, but the present invention is not subject to any restriction of these embodiment.
Embodiment 1
By the ethylene vinyl acetate copolymer of 100 mass parts (VA content: 41 quality %, MFR:0.3), the magnesium hydroxide of 100 mass parts (refreshing island chemical industry (strain) system, trade(brand)name: Magseize (マ グ シ mono-ズ) S4), the amine of 5 mass parts is oxidation inhibitor A(N-(2H-1, 2, 4-triazole-5-yl) salicylic amide, the emerging chemical industry of imperial palace (strain) system, trade(brand)name: NocracCD) and the metal passivator of 1 mass parts (BASF Japan (strain) system, trade(brand)name: IrganoxMD1024), by the pressurization mixing machine, starting temperature, it is 40 ℃, end temp be mixing under 190 ℃ after, mixing thing is granulated, produce flame retardant resistance non-crosslinked resin composition.
As shown in Figure 1, the thickness of take on copper conductor is extruded as 200 ℃ of mixing things that will adopt described pressurization mixing machine to obtain (flame retardant resistance non-crosslinked resin composition) as 0.81mm, design temperature, forms isolator in the making of electric wire.
Be displayed in Table 1 and use the flame retardant resistance non-crosslinked resin composition of being made by embodiment 1 and the evaluation result of the electric wire formed.Wherein, the evaluation of electric wire is judged by test method shown below.[table 1]
The test method that electric wire is estimated
(1) tension test
The electric wire of making is carried out to tension test according to JISC3005.The situation of elongation less than 150% is made as * (defective), the situation by 150～300% is made as zero (qualified), and the situation more than it is made as to ◎ (keeping the qualified of surplus).The situation of the not enough 10MPa of tensile strength is made as * (defective), the situation of 10～13MPa is made as to zero (qualified), the situation more than it is made as to ◎ (keeping the qualified of surplus).
(2) flame retardant test
Carry out testing vertical flammability (FT-1) with the electric wire shape.Judgement is that the less than combustion time situation of 30 seconds is made as to ◎ (keeping the qualified of surplus), and the less than situation of 1 minute is made as to zero (qualified), the situation more than 1 minute is made as * (defective).
(3) anti-varnish test
Test method according to the 6th, 2,8 pages of (Insulating Varnish, insulating varnish) regulations of CSA C22.2No.127-09 is implemented test.The electric wire of making is at room temperature flooded 1 hour in insulating varnish (ISONEL31), then from insulating varnish, take out and hang 1 hour.Then, put into to the baking oven that is set as 160 ℃ and within 20 hours, make varnish solidify, after taking-up in room temperature standing 2 hours, along the axle in own footpath 6 circles of reeling.The electric wire of rolled state is applied to the voltage 1 minute of 2000V, unbroken situation is made as to zero (qualified), destroyed situation is made as * (defective).
Except coordinating change as shown in table 1, make similarly to Example 1 flame retardant resistance non-crosslinked resin composition, form electric wire.The evaluation result of the electric wire of gained is shown in Table 1.
Comparative example 1～9
Except coordinating change as shown in table 2, make similarly to Example 1 flame retardant resistance non-crosslinked resin composition, form electric wire.The evaluation result of the electric wire of gained is shown in Table 2.
[table 2]
About evaluation result
In embodiment 1～3, changed the VA content in the base polymer, but due to more than 30 quality %, therefore meet anti-varnish test and other characteristics also good.In embodiment 4,5, although with other polyolefine blending, due to VA content within the limits prescribed, therefore form good characteristic.
In embodiment 6,7, changed cooperation (containing) amount as TDE and the ANTIMONY TRIOXIDE SB 203 99.8 PCT of halogen flame retardant, but due within the limits prescribed, so varnish and other characteristics good.
In embodiment 8,9, changed the use level as the magnesium hydroxide of non-halogen flame retardant, but due within the limits prescribed, so varnish and other characteristics good.The embodiment 8 that the known use level with making magnesium hydroxide is 80 mass parts compares, and the flame retardant resistance of the embodiment 9 that use level is 180 mass parts is further improved, and coordinates satisfactory.In addition, known in embodiment 12, although in magnesium hydroxide and used cyanogen urea acid trimeric cyanamide, compare with the embodiment 2 of independent cooperation magnesium hydroxide, flame retardant resistance improves, and coordinates cyanogen urea acid trimeric cyanamide satisfactory.
In addition, in embodiment 10,11, although and used non-halogen flame retardant and halogen flame retardant, characteristic is good.
In embodiment 13, although changed amine, be the kind of oxidation inhibitor, so long as amine is oxidation inhibitor, just all demonstrate good characteristic.In embodiment 14,15, although changed amine, be the use level of oxidation inhibitor, due within the limits prescribed, thus varnish and other characteristics also good.In embodiment 16, although be in oxidation inhibitor and used other oxidation inhibitor at amine, due to amine be oxidation inhibitor in specialized range, so varnish and other characteristics good.
On the other hand, as shown in table 2, the VA content in base polymer is than stipulating that in few comparative example 1～3, anti-varnish test is defective.This external VA is containing in the poor comparative example 1,2 of quantity not sufficient 30 quality %, particularly VA, and flame retardant resistance is also defective.In the use level of fire retardant, in the comparative example 4,6 fewer than regulation, flame retardant resistance is defective.In the use level of fire retardant, in the comparative example 5,7 more than regulation, elongation characteristic and anti-varnish test are defective.Amine be the use level of oxidation inhibitor than the few comparative example 8 of regulation in, anti-varnish test is defective.
In addition, and used patent documentation 1 in representational phenol be that oxidation inhibitor and sulphur are in the comparative example 9 of oxidation inhibitor, anti-varnish test is defective.
Claims (4)
1. a flame retardant resistance non-crosslinked resin composition, it contains: 100 mass parts take the base polymer of content more than 30 quality % that ethylene vinyl acetate copolymer (EVA) is main component, vinyl acetate, with respect to described base polymer 100 mass parts, the fire retardant of 20～180 mass parts, and the amine of 0.1～20 mass parts is oxidation inhibitor.
2. flame retardant resistance non-crosslinked resin composition according to claim 1, described amine is that oxidation inhibitor is N-(2H-1,2,4-triazole-5-yl) salicylic amide.
3. an electric wire, it possesses: conductor, and right to use requires 1 or 2 described flame retardant resistance non-crosslinked resin compositions and the isolator that coats, form on the periphery of described conductor.
4. a cable, it possesses: have conductor and the electric wire of the isolator that coats, form on the periphery of described conductor, and right to use requires 1 or 2 described flame retardant resistance non-crosslinked resin compositions and the sheath that coats, form on the periphery of described electric wire.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-122004 | 2012-05-29 | ||
| JP2012122004A JP5637177B2 (en) | 2012-05-29 | 2012-05-29 | Varnish-resistant wire and varnish-resistant cable |
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| Publication Number | Publication Date |
|---|---|
| CN103450541A true CN103450541A (en) | 2013-12-18 |
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| CN2012105926197A Pending CN103450541A (en) | 2012-05-29 | 2012-12-31 | Flame-retardant non-crosslinking resin composition and wire, cable using the same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111128448A (en) * | 2018-10-31 | 2020-05-08 | 日立金属株式会社 | Flame-retardant insulated wire |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6868420B2 (en) * | 2016-03-22 | 2021-05-12 | 古河電気工業株式会社 | Flame-retardant crosslinked resin composition and wiring material |
| JP2018045885A (en) * | 2016-09-15 | 2018-03-22 | 日立金属株式会社 | Insulated wire |
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- 2012-12-31 CN CN2012105926197A patent/CN103450541A/en active Pending
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| CN86102616A (en) * | 1985-03-20 | 1986-11-05 | 大日日本电线株式会社 | Flame-retardant resin composition |
| JPH03190013A (en) * | 1989-12-20 | 1991-08-20 | Hitachi Cable Ltd | Flame resistant electrical insulating compound |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111128448A (en) * | 2018-10-31 | 2020-05-08 | 日立金属株式会社 | Flame-retardant insulated wire |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013245335A (en) | 2013-12-09 |
| JP5637177B2 (en) | 2014-12-10 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| ASS | Succession or assignment of patent right |
Owner name: HITACHI METALS, LTD. Free format text: FORMER OWNER: HITACHI CABLE CO., LTD. Effective date: 20140306 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20140306 Address after: Tokyo, Japan, Japan Applicant after: Hitachi Metals Co., Ltd. Address before: Tokyo, Japan, Japan Applicant before: Hitachi Cable Co., Ltd. |
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| TA01 | Transfer of patent application right | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131218 |
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| WD01 | Invention patent application deemed withdrawn after publication |