JPWO2011129129A1 - Non-halogen flame retardant resin composition and electric wire and cable using the same - Google Patents
Non-halogen flame retardant resin composition and electric wire and cable using the same Download PDFInfo
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- JPWO2011129129A1 JPWO2011129129A1 JP2011536221A JP2011536221A JPWO2011129129A1 JP WO2011129129 A1 JPWO2011129129 A1 JP WO2011129129A1 JP 2011536221 A JP2011536221 A JP 2011536221A JP 2011536221 A JP2011536221 A JP 2011536221A JP WO2011129129 A1 JPWO2011129129 A1 JP WO2011129129A1
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- resin
- flame retardant
- resin composition
- parts
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 43
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 239000011342 resin composition Substances 0.000 title claims abstract description 34
- 229910052736 halogen Inorganic materials 0.000 title claims abstract description 22
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 65
- 229920005989 resin Polymers 0.000 claims abstract description 43
- 239000011347 resin Substances 0.000 claims abstract description 43
- -1 polypropylene Polymers 0.000 claims abstract description 29
- 229920001971 elastomer Polymers 0.000 claims abstract description 27
- 229920005672 polyolefin resin Polymers 0.000 claims abstract description 26
- 229920001955 polyphenylene ether Polymers 0.000 claims abstract description 26
- 239000004743 Polypropylene Substances 0.000 claims abstract description 25
- 239000000806 elastomer Substances 0.000 claims abstract description 23
- 229920001155 polypropylene Polymers 0.000 claims abstract description 17
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 10
- 239000011574 phosphorus Substances 0.000 claims abstract description 10
- 229920005674 ethylene-propylene random copolymer Polymers 0.000 claims abstract description 5
- 239000012968 metallocene catalyst Substances 0.000 claims abstract description 5
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 claims abstract description 4
- 239000011247 coating layer Substances 0.000 claims description 26
- 150000002367 halogens Chemical class 0.000 claims description 20
- 238000002156 mixing Methods 0.000 claims description 13
- 229920001684 low density polyethylene Polymers 0.000 claims description 9
- 239000004702 low-density polyethylene Substances 0.000 claims description 9
- 239000004793 Polystyrene Substances 0.000 claims description 8
- 229920002223 polystyrene Polymers 0.000 claims description 8
- 229920001400 block copolymer Polymers 0.000 claims description 7
- 230000005865 ionizing radiation Effects 0.000 claims description 6
- 239000005060 rubber Substances 0.000 claims description 4
- 238000012661 block copolymerization Methods 0.000 abstract 1
- 230000032683 aging Effects 0.000 description 16
- 239000004020 conductor Substances 0.000 description 14
- 229910019142 PO4 Inorganic materials 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 239000010452 phosphate Substances 0.000 description 9
- 239000004800 polyvinyl chloride Substances 0.000 description 8
- 229920001577 copolymer Polymers 0.000 description 7
- 238000004132 cross linking Methods 0.000 description 7
- 238000011156 evaluation Methods 0.000 description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 7
- 229920000915 polyvinyl chloride Polymers 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 229920000877 Melamine resin Polymers 0.000 description 5
- 229920000388 Polyphosphate Polymers 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 239000001205 polyphosphate Substances 0.000 description 5
- 235000011176 polyphosphates Nutrition 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- ACVYVLVWPXVTIT-UHFFFAOYSA-N phosphinic acid Chemical compound O[PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-N 0.000 description 4
- 238000009864 tensile test Methods 0.000 description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 3
- 239000005977 Ethylene Substances 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- OKKRPWIIYQTPQF-UHFFFAOYSA-N Trimethylolpropane trimethacrylate Chemical compound CC(=C)C(=O)OCC(CC)(COC(=O)C(C)=C)COC(=O)C(C)=C OKKRPWIIYQTPQF-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000010894 electron beam technology Methods 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229920005629 polypropylene homopolymer Polymers 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 229920002725 thermoplastic elastomer Polymers 0.000 description 3
- 125000001989 1,3-phenylene group Chemical group [H]C1=C([H])C([*:1])=C([H])C([*:2])=C1[H] 0.000 description 2
- NXXYKOUNUYWIHA-UHFFFAOYSA-N 2,6-Dimethylphenol Chemical compound CC1=CC=CC(C)=C1O NXXYKOUNUYWIHA-UHFFFAOYSA-N 0.000 description 2
- 239000004114 Ammonium polyphosphate Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 2
- 229920003355 Novatec® Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- 235000019826 ammonium polyphosphate Nutrition 0.000 description 2
- 229920001276 ammonium polyphosphate Polymers 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 2
- 229920006244 ethylene-ethyl acrylate Polymers 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- RLAWWYSOJDYHDC-BZSNNMDCSA-N lisinopril Chemical compound C([C@H](N[C@@H](CCCCN)C(=O)N1[C@@H](CCC1)C(O)=O)C(O)=O)CC1=CC=CC=C1 RLAWWYSOJDYHDC-BZSNNMDCSA-N 0.000 description 2
- ZQKXQUJXLSSJCH-UHFFFAOYSA-N melamine cyanurate Chemical compound NC1=NC(N)=NC(N)=N1.O=C1NC(=O)NC(=O)N1 ZQKXQUJXLSSJCH-UHFFFAOYSA-N 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- XFZRQAZGUOTJCS-UHFFFAOYSA-N phosphoric acid;1,3,5-triazine-2,4,6-triamine Chemical compound OP(O)(O)=O.NC1=NC(N)=NC(N)=N1 XFZRQAZGUOTJCS-UHFFFAOYSA-N 0.000 description 2
- 229920002627 poly(phosphazenes) Polymers 0.000 description 2
- 229920006122 polyamide resin Polymers 0.000 description 2
- 229920001225 polyester resin Polymers 0.000 description 2
- 239000004645 polyester resin Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 2
- 238000007151 ring opening polymerisation reaction Methods 0.000 description 2
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 2
- 229920005992 thermoplastic resin Polymers 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- KOMNUTZXSVSERR-UHFFFAOYSA-N 1,3,5-tris(prop-2-enyl)-1,3,5-triazinane-2,4,6-trione Chemical compound C=CCN1C(=O)N(CC=C)C(=O)N(CC=C)C1=O KOMNUTZXSVSERR-UHFFFAOYSA-N 0.000 description 1
- NYYLZXREFNYPKB-UHFFFAOYSA-N 1-[ethoxy(methyl)phosphoryl]oxyethane Chemical compound CCOP(C)(=O)OCC NYYLZXREFNYPKB-UHFFFAOYSA-N 0.000 description 1
- OHASXDUBONILDR-UHFFFAOYSA-N 2,3-dimethylbutylphosphonic acid Chemical compound CC(C)C(C)CP(O)(O)=O OHASXDUBONILDR-UHFFFAOYSA-N 0.000 description 1
- BJELTSYBAHKXRW-UHFFFAOYSA-N 2,4,6-triallyloxy-1,3,5-triazine Chemical compound C=CCOC1=NC(OCC=C)=NC(OCC=C)=N1 BJELTSYBAHKXRW-UHFFFAOYSA-N 0.000 description 1
- HAEFDDOAYBQRGK-UHFFFAOYSA-N 2-methylpropylphosphonic acid Chemical compound CC(C)CP(O)(O)=O HAEFDDOAYBQRGK-UHFFFAOYSA-N 0.000 description 1
- 229920002126 Acrylic acid copolymer Polymers 0.000 description 1
- 239000004254 Ammonium phosphate Substances 0.000 description 1
- AXKPBIUQVYVDHP-UHFFFAOYSA-N CCc1cccc(c1CC)P(O)=O Chemical compound CCc1cccc(c1CC)P(O)=O AXKPBIUQVYVDHP-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical group [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- UUGLJVMIFJNVFH-UHFFFAOYSA-N Hexyl benzoate Chemical compound CCCCCCOC(=O)C1=CC=CC=C1 UUGLJVMIFJNVFH-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 1
- CGSLYBDCEGBZCG-UHFFFAOYSA-N Octicizer Chemical compound C=1C=CC=CC=1OP(=O)(OCC(CC)CCCC)OC1=CC=CC=C1 CGSLYBDCEGBZCG-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- QLZHNIAADXEJJP-UHFFFAOYSA-N Phenylphosphonic acid Chemical compound OP(O)(=O)C1=CC=CC=C1 QLZHNIAADXEJJP-UHFFFAOYSA-N 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- GTVWRXDRKAHEAD-UHFFFAOYSA-N Tris(2-ethylhexyl) phosphate Chemical compound CCCCC(CC)COP(=O)(OCC(CC)CCCC)OCC(CC)CCCC GTVWRXDRKAHEAD-UHFFFAOYSA-N 0.000 description 1
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 1
- BQPNUOYXSVUVMY-UHFFFAOYSA-N [4-[2-(4-diphenoxyphosphoryloxyphenyl)propan-2-yl]phenyl] diphenyl phosphate Chemical compound C=1C=C(OP(=O)(OC=2C=CC=CC=2)OC=2C=CC=CC=2)C=CC=1C(C)(C)C(C=C1)=CC=C1OP(=O)(OC=1C=CC=CC=1)OC1=CC=CC=C1 BQPNUOYXSVUVMY-UHFFFAOYSA-N 0.000 description 1
- VXLCKSFMONBCLQ-UHFFFAOYSA-N [Na]CC[Na] Chemical compound [Na]CC[Na] VXLCKSFMONBCLQ-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 229910000148 ammonium phosphate Inorganic materials 0.000 description 1
- ZRIUUUJAJJNDSS-UHFFFAOYSA-N ammonium phosphates Chemical class [NH4+].[NH4+].[NH4+].[O-]P([O-])([O-])=O ZRIUUUJAJJNDSS-UHFFFAOYSA-N 0.000 description 1
- 235000019289 ammonium phosphates Nutrition 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- UQRSMZHDWDMLDH-UHFFFAOYSA-N bis(2-tert-butylphenyl) phenyl phosphate Chemical compound CC(C)(C)C1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C(C)(C)C)OC1=CC=CC=C1 UQRSMZHDWDMLDH-UHFFFAOYSA-N 0.000 description 1
- WXCZUWHSJWOTRV-UHFFFAOYSA-N but-1-ene;ethene Chemical compound C=C.CCC=C WXCZUWHSJWOTRV-UHFFFAOYSA-N 0.000 description 1
- QYMGIIIPAFAFRX-UHFFFAOYSA-N butyl prop-2-enoate;ethene Chemical compound C=C.CCCCOC(=O)C=C QYMGIIIPAFAFRX-UHFFFAOYSA-N 0.000 description 1
- UOKRBSXOBUKDGE-UHFFFAOYSA-N butylphosphonic acid Chemical compound CCCCP(O)(O)=O UOKRBSXOBUKDGE-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
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- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 1
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 1
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- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- KTLIMPGQZDZPSB-UHFFFAOYSA-N diethylphosphinic acid Chemical compound CCP(O)(=O)CC KTLIMPGQZDZPSB-UHFFFAOYSA-N 0.000 description 1
- VONWDASPFIQPDY-UHFFFAOYSA-N dimethyl methylphosphonate Chemical compound COP(C)(=O)OC VONWDASPFIQPDY-UHFFFAOYSA-N 0.000 description 1
- YTMRJBAHYSIRMZ-UHFFFAOYSA-N dioctylphosphinic acid Chemical compound CCCCCCCCP(O)(=O)CCCCCCCC YTMRJBAHYSIRMZ-UHFFFAOYSA-N 0.000 description 1
- 150000002013 dioxins Chemical class 0.000 description 1
- ASMQGLCHMVWBQR-UHFFFAOYSA-M diphenyl phosphate Chemical compound C=1C=CC=CC=1OP(=O)([O-])OC1=CC=CC=C1 ASMQGLCHMVWBQR-UHFFFAOYSA-M 0.000 description 1
- BEQVQKJCLJBTKZ-UHFFFAOYSA-N diphenylphosphinic acid Chemical compound C=1C=CC=CC=1P(=O)(O)C1=CC=CC=C1 BEQVQKJCLJBTKZ-UHFFFAOYSA-N 0.000 description 1
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- 125000003700 epoxy group Chemical group 0.000 description 1
- 125000004494 ethyl ester group Chemical group 0.000 description 1
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- GATNOFPXSDHULC-UHFFFAOYSA-N ethylphosphonic acid Chemical compound CCP(O)(O)=O GATNOFPXSDHULC-UHFFFAOYSA-N 0.000 description 1
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- 239000000194 fatty acid Substances 0.000 description 1
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- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
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- 125000005462 imide group Chemical group 0.000 description 1
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- SZTJCIYEOQYVED-UHFFFAOYSA-N methyl(propyl)phosphinic acid Chemical compound CCCP(C)(O)=O SZTJCIYEOQYVED-UHFFFAOYSA-N 0.000 description 1
- YACKEPLHDIMKIO-UHFFFAOYSA-N methylphosphonic acid Chemical compound CP(O)(O)=O YACKEPLHDIMKIO-UHFFFAOYSA-N 0.000 description 1
- YAFOVCNAQTZDQB-UHFFFAOYSA-N octyl diphenyl phosphate Chemical compound C=1C=CC=CC=1OP(=O)(OCCCCCCCC)OC1=CC=CC=C1 YAFOVCNAQTZDQB-UHFFFAOYSA-N 0.000 description 1
- NJGCRMAPOWGWMW-UHFFFAOYSA-N octylphosphonic acid Chemical compound CCCCCCCCP(O)(O)=O NJGCRMAPOWGWMW-UHFFFAOYSA-N 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- MLCHBQKMVKNBOV-UHFFFAOYSA-N phenylphosphinic acid Chemical compound OP(=O)C1=CC=CC=C1 MLCHBQKMVKNBOV-UHFFFAOYSA-N 0.000 description 1
- XZTOTRSSGPPNTB-UHFFFAOYSA-N phosphono dihydrogen phosphate;1,3,5-triazine-2,4,6-triamine Chemical compound NC1=NC(N)=NC(N)=N1.OP(O)(=O)OP(O)(O)=O XZTOTRSSGPPNTB-UHFFFAOYSA-N 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- JNLTYWDDGFTRSX-UHFFFAOYSA-N prop-1-ene-1,1-diol Chemical group CC=C(O)O JNLTYWDDGFTRSX-UHFFFAOYSA-N 0.000 description 1
- NSETWVJZUWGCKE-UHFFFAOYSA-N propylphosphonic acid Chemical compound CCCP(O)(O)=O NSETWVJZUWGCKE-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229920006132 styrene block copolymer Polymers 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 150000003440 styrenes Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- IRDFFAPCSABAGK-UHFFFAOYSA-N tert-butyl dihydrogen phosphate Chemical compound CC(C)(C)OP(O)(O)=O IRDFFAPCSABAGK-UHFFFAOYSA-N 0.000 description 1
- OGDSVONAYZTTDA-UHFFFAOYSA-N tert-butylphosphonic acid Chemical compound CC(C)(C)P(O)(O)=O OGDSVONAYZTTDA-UHFFFAOYSA-N 0.000 description 1
- KJAMZCVTJDTESW-UHFFFAOYSA-N tiracizine Chemical compound C1CC2=CC=CC=C2N(C(=O)CN(C)C)C2=CC(NC(=O)OCC)=CC=C21 KJAMZCVTJDTESW-UHFFFAOYSA-N 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 229920000428 triblock copolymer Polymers 0.000 description 1
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 description 1
- WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical compound COP(=O)(OC)OC WVLBCYQITXONBZ-UHFFFAOYSA-N 0.000 description 1
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 description 1
- KOWVWXQNQNCRRS-UHFFFAOYSA-N tris(2,4-dimethylphenyl) phosphate Chemical compound CC1=CC(C)=CC=C1OP(=O)(OC=1C(=CC(C)=CC=1)C)OC1=CC=C(C)C=C1C KOWVWXQNQNCRRS-UHFFFAOYSA-N 0.000 description 1
- WTLBZVNBAKMVDP-UHFFFAOYSA-N tris(2-butoxyethyl) phosphate Chemical compound CCCCOCCOP(=O)(OCCOCCCC)OCCOCCCC WTLBZVNBAKMVDP-UHFFFAOYSA-N 0.000 description 1
- LIPMRGQQBZJCTM-UHFFFAOYSA-N tris(2-propan-2-ylphenyl) phosphate Chemical compound CC(C)C1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C(C)C)OC1=CC=CC=C1C(C)C LIPMRGQQBZJCTM-UHFFFAOYSA-N 0.000 description 1
- SPUXJWDKFVXXBI-UHFFFAOYSA-N tris(2-tert-butylphenyl) phosphate Chemical compound CC(C)(C)C1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C(C)(C)C)OC1=CC=CC=C1C(C)(C)C SPUXJWDKFVXXBI-UHFFFAOYSA-N 0.000 description 1
- 229920001862 ultra low molecular weight polyethylene Polymers 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
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Abstract
柔軟性、耐摩耗性等の機械的強度及び難燃性に優れ、特にカットスルー特性に優れると共に、UL規格を満足する引張伸び特性を有するノンハロゲン難燃性樹脂組成物及びこの難燃性樹脂組成物を被覆層として用いた電線・ケーブルを提供する。樹脂成分100質量部に対してリン系難燃剤を5〜40質量部含有するノンハロゲン難燃性樹脂組成物であって、前記樹脂成分100質量部中にポリオレフィン系樹脂30〜85質量部、ポリフェニレンエーテル系樹脂10〜50質量部、及びスチレン系エラストマー5〜30質量部を含有し、前記ポリオレフィン系樹脂はメタロセン触媒を用いて重合されたエチレン−プロピレンランダム共重合体をポリオレフィン系樹脂全体に対して5〜60質量%、ブロック共重合ポリプロピレン樹脂をポリオレフィン系樹脂全体に対して30〜95質量%含有する。Non-halogen flame retardant resin composition having excellent mechanical strength such as flexibility and wear resistance and flame retardancy, particularly excellent cut-through characteristics and tensile elongation characteristics satisfying UL standards, and this flame retardant resin composition An electric wire / cable using an object as a covering layer is provided. A halogen-free flame retardant resin composition containing 5 to 40 parts by mass of a phosphorus-based flame retardant with respect to 100 parts by mass of a resin component, wherein 30 to 85 parts by mass of a polyolefin-based resin and 100% by mass of polyphenylene ether 10 to 50 parts by mass of a styrene resin and 5 to 30 parts by mass of a styrene elastomer, and the polyolefin resin is an ethylene-propylene random copolymer polymerized using a metallocene catalyst with respect to the whole polyolefin resin. -60 mass%, 30-95 mass% of block copolymerization polypropylene resin is contained with respect to the whole polyolefin resin.
Description
本発明は、電線などの被覆層として好適に用いられるノンハロゲン難燃性樹脂組成物及びこの樹脂組成物を用いた電線・ケーブルに関する。 The present invention relates to a halogen-free flame retardant resin composition suitably used as a coating layer for electric wires and the like, and an electric wire / cable using the resin composition.
複写機、プリンタなどのOA機器、電子機器の内部配線では、プリント基板間やプリント基板とセンサー、アクチュエータ、モータ等の電子部品間で給電や信号電送を行うワイヤーハーネスが多量に使用されている。 In the internal wiring of OA equipment and electronic equipment such as copiers and printers, a large amount of wire harnesses that supply power and send signals between printed boards and between electronic parts such as printed boards and sensors, actuators, and motors are used.
ワイヤーハーネスとは、複数本の電線やケーブルを束ねて端末に挿抜可能なコネクタ等の端子を組み付けしたものである。難燃性、電気絶縁性等の点から、ワイヤーハーネス用の電線には絶縁材料としてポリ塩化ビニル(PVC)を適用したPVC電線が使用されている。PVC電線は柔軟性に優れるので、ワイヤーハーネスとした場合も取り回し性が良く、また充分な強度を有しているので、ワイヤーハーネスの配線中に絶縁体が破れたり摩耗したりする問題が無く、更に端末に取り付ける圧接コネクタの取り付け作業性にも優れている。 A wire harness is an assembly of terminals such as connectors that can be inserted into and removed from a terminal by bundling a plurality of electric wires and cables. From the viewpoints of flame retardancy, electrical insulation, etc., PVC electric wires using polyvinyl chloride (PVC) as an insulating material are used for electric wires for wire harnesses. Since PVC wires are excellent in flexibility, they are easy to handle in the case of a wire harness and have sufficient strength, so there is no problem that the insulator is broken or worn during wiring of the wire harness. Furthermore, it is excellent in workability of attaching the pressure contact connector attached to the terminal.
しかし、PVC電線にはハロゲン元素が含まれるため、使用後のワイヤーハーネスの焼却処理を行う場合に塩化水素系の有毒ガスが発生したり、また焼却条件によってはダイオキシンを発生するという問題があり、環境負荷の低減が求められる中、PVCは絶縁材料として好ましい材料とはいえない。 However, because PVC elements contain halogen elements, there is a problem that hydrogen chloride-based toxic gas is generated when incineration of the wire harness after use, or dioxins are generated depending on the incineration conditions. While the reduction of environmental load is required, PVC is not a preferable material as an insulating material.
近年、環境負荷の低減に対する要求の高まりに応えるために、ポリ塩化ビニル樹脂やハロゲン系難燃剤を含有しない被覆材料を用いたハロゲンフリー電線が開発されている。他方、電子機器の機内配線に使用する絶縁電線や絶縁ケーブルなどの電線には、一般に、UL(Underwriters Laboratories inc.)規格に適合する諸特性を有することが求められている。UL規格には、製品が満たすべき難燃性、加熱変形性、低温特性、被覆材料の初期と熱老化後の引張特性などの諸特性が詳細に規定されている。 In recent years, halogen-free electric wires using coating materials that do not contain polyvinyl chloride resin or halogen-based flame retardants have been developed in order to meet the increasing demand for reducing the environmental burden. On the other hand, electric wires such as insulated wires and insulated cables used for in-machine wiring of electronic devices are generally required to have various characteristics that conform to UL (Underwriters Laboratories Inc.) standards. The UL standard stipulates in detail various properties such as flame retardancy, heat deformability, low temperature properties, tensile properties after heat aging of coating materials, and the like to be satisfied by products.
圧接あるいは圧着用途の電線では、電子機器内でワイヤーハーネスを引き回す必要がある。この作業中に電線の絶縁被覆に傷や破れが生じて不良となる可能性があるため、ワイヤーハーネスに使用される絶縁電線には高いカットスルー強度が要求されている。 In an electric wire for pressure welding or crimping, it is necessary to route a wire harness in an electronic device. Since there is a possibility that the insulating coating of the electric wire is damaged or broken during this operation and becomes defective, the insulating electric wire used for the wire harness is required to have high cut-through strength.
特開2002−105255号公報(特許文献1)にはポリプロピレン樹脂にエチレンプロピレンゴムやスチレンブタジエンゴム等のエラストマーを配合した熱可塑性樹脂成分に対して、金属水和物を加熱・混練した難燃性樹脂組成物が開示されている。エラストマーを配合することでフィラー受容性を高めることができ、またこれらのエラストマーを動的加硫することで、柔軟性、伸び等の機械的物性と押出加工性及び難燃性のバランスを取ることが検討されている。しかし、このような材料はPVCと比べると耐摩耗性や耐エッジ性(カットスルー特性)が悪く、これらの特性を向上させようとすると柔軟性が低下して特性のバランスを失うという問題があった。 Japanese Patent Application Laid-Open No. 2002-105255 (Patent Document 1) discloses flame retardancy in which a metal hydrate is heated and kneaded with a thermoplastic resin component in which an elastomer such as ethylene propylene rubber or styrene butadiene rubber is blended with polypropylene resin. A resin composition is disclosed. Filler receptivity can be increased by blending elastomers, and dynamic vulcanization of these elastomers balances mechanical properties such as flexibility and elongation with extrudability and flame retardancy. Is being considered. However, such materials have poor wear resistance and edge resistance (cut-through characteristics) compared with PVC, and there is a problem that flexibility is lost and the balance of characteristics is lost when trying to improve these characteristics. It was.
また、特開2008−169234号公報(特許文献2)には、ポリアミド樹脂又はポリエステル樹脂、ポリフェニレンエーテル系樹脂、及びスチレン系エラストマー樹脂を含有する樹脂成分と、窒素系難燃剤とを含有するノンハロゲン難燃性樹脂組成物が開示されている。弾性率が高く硬いポリフェニレンエーテル系樹脂と、伸びが大きく柔らかいスチレン系エラストマーとを混合するとともに、結晶性樹脂でありガラス転移温度以上の温度であっても適度な弾性率を保ち柔軟性、伸張性を保持することができるポリアミド樹脂又はポリエステル樹脂をさらに混合することで、PVCと同等の柔軟性、耐摩耗性、耐エッジ性を有する絶縁電線を得ることができる。 Japanese Patent Application Laid-Open No. 2008-169234 (Patent Document 2) discloses a non-halogen flame retardant containing a resin component containing a polyamide resin or a polyester resin, a polyphenylene ether resin, and a styrene elastomer resin, and a nitrogen flame retardant. A flammable resin composition is disclosed. A high-modulus and hard polyphenylene ether resin and a styrene-based elastomer with large elongation and softness are mixed, and it is a crystalline resin that maintains an appropriate elastic modulus even at temperatures above the glass transition temperature. By further mixing a polyamide resin or a polyester resin capable of holding the same, an insulated wire having flexibility, abrasion resistance, and edge resistance equivalent to PVC can be obtained.
ワイヤーハーネスに使用される絶縁電線には高いカットスルー強度が要求されており、従来の絶縁電線よりも更に高強度化する必要がある。一方、絶縁電線はUL規格に規定されている難燃性、耐熱性、機械特性を満たす必要がある。カットスルー強度を高くするためには絶縁材料を硬い、すなわち弾性率の高い材料を多く配合すること等が考えられるが、そうすると引張伸び、特に熱老化後の引張伸びが小さくなりUL規格を満たせない可能性があるだけでなくコネクタ嵌合性の点でストレインレリーフを破壊してしまう恐れがある。 The insulated wire used for the wire harness is required to have a high cut-through strength, and needs to have a higher strength than the conventional insulated wire. On the other hand, the insulated wire needs to satisfy the flame retardancy, heat resistance, and mechanical properties defined in the UL standard. In order to increase the cut-through strength, it is conceivable that the insulating material is hard, that is, a large amount of a material having a high elastic modulus is blended. However, in this case, the tensile elongation, particularly the tensile elongation after heat aging, is reduced and the UL standard cannot be satisfied. In addition to the possibility, the strain relief may be destroyed in terms of connector fitting.
そこで本発明は、柔軟性、耐摩耗性等の機械的強度及び難燃性に優れ、特にカットスルー特性に優れると共に、UL規格を満足する引張伸び特性を有するノンハロゲン難燃性樹脂組成物及びこの難燃性樹脂組成物を被覆層として用いた電線・ケーブルを提供することを課題とする。 Therefore, the present invention is excellent in mechanical strength such as flexibility and wear resistance and flame retardancy, in particular, has excellent cut-through characteristics and has a non-halogen flame retardant resin composition having tensile elongation characteristics satisfying UL standards, and this It aims at providing the electric wire and cable which used the flame-retardant resin composition as a coating layer.
本発明は、樹脂成分100質量部に対してリン系難燃剤を5〜40質量部含有するノンハロゲン難燃性樹脂組成物であって、前記樹脂成分100質量部中に、ポリオレフィン系樹脂30〜85質量部、ポリフェニレンエーテル系樹脂10〜50質量部、及びスチレン系エラストマー5〜30質量部を含有し、前記ポリオレフィン系樹脂は、メタロセン触媒を用いて重合されたエチレン−プロピレンランダム共重合体をポリオレフィン系樹脂全体に対して5〜60質量%、ブロック共重合ポリプロピレン樹脂をポリオレフィン系樹脂全体に対して30〜95質量%含有する、ノンハロゲン難燃性樹脂組成物である(請求項1)。 The present invention is a non-halogen flame retardant resin composition containing 5 to 40 parts by mass of a phosphorus-based flame retardant with respect to 100 parts by mass of the resin component, and the polyolefin resin 30 to 85 in 100 parts by mass of the resin component. Containing 5 to 30 parts by mass, 5 to 30 parts by mass of a polyphenylene ether resin and 5 to 30 parts by mass of a styrene elastomer, the polyolefin resin is an ethylene-propylene random copolymer polymerized using a metallocene catalyst. It is a non-halogen flame retardant resin composition containing 5 to 60% by mass with respect to the whole resin and 30 to 95% by mass of the block copolymerized polypropylene resin with respect to the whole polyolefin resin (Claim 1).
ポリフェニレンエーテル系樹脂は常温における弾性率が高く、硬い材料である。ポリオレフィン系樹脂は柔軟性に優れているとともに機械特性を向上することができる。スチレン系エラストマーは柔軟性、押出加工性に優れているだけでなく相溶化剤として働く。相溶化剤を添加することで、前記ポリオレフィン系樹脂とポリフェニレンエーテル系樹脂が良好に混合し、機械特性を向上することができる。 Polyphenylene ether resin is a hard material having a high elastic modulus at room temperature. Polyolefin resins are excellent in flexibility and can improve mechanical properties. Styrenic elastomers not only have excellent flexibility and extrudability, but also act as compatibilizers. By adding a compatibilizer, the polyolefin resin and the polyphenylene ether resin can be mixed well, and the mechanical properties can be improved.
ポリオレフィン系樹脂として、メタロセン触媒を用いて重合されたエチレン−プロピレンランダム共重合体(以下、メタロセンランダムPPと記載することもある)とブロック共重合ポリプロピレンとを使用する。メタロセンランダムPPは分子量と結晶性が揃っており、低分子量成分や低結晶成分が少ない。そのため柔軟で耐熱老化特性にも優れるので引張伸びや熱老化後の引張伸びを大きくする効果がある。一方ブロック共重合ポリプロピレンは弾性率が高く、カットスルー強度を高くできる効果がある。ポリオレフィン系樹脂としてメタロセンランダムPPとブロック共重合ポリプロピレンとを特定の割合で併用することで、カットスルー強度と熱老化後の引張伸びとを両立することができる。なおポリオレフィン系樹脂としてこの2種類以外にホモポリプロピレンやポリエチレンを使用しても良い。 As the polyolefin-based resin, an ethylene-propylene random copolymer (hereinafter sometimes referred to as metallocene random PP) polymerized using a metallocene catalyst and a block copolymerized polypropylene are used. Metallocene random PP has uniform molecular weight and crystallinity, and has few low molecular weight components and low crystal components. Therefore, since it is flexible and excellent in heat aging characteristics, it has the effect of increasing tensile elongation and tensile elongation after heat aging. On the other hand, block copolymerized polypropylene has a high elastic modulus and is effective in increasing cut-through strength. By using a metallocene random PP and a block copolymerized polypropylene in combination at a specific ratio as a polyolefin-based resin, both the cut-through strength and the tensile elongation after heat aging can be achieved. In addition to these two types of polyolefin-based resins, homopolypropylene and polyethylene may be used.
請求項2に記載の発明は、前記ポリオレフィン系樹脂は、さらに低密度ポリエチレンを、ポリオレフィン系樹脂全体に対して5〜20質量%含有する、請求項1に記載のノンハロゲン難燃性樹脂組成物である。低密度ポリエチレンをさらに含有することで、引張伸び及び熱老化後の引張伸び特性をより向上することができる。 The invention according to claim 2 is the non-halogen flame retardant resin composition according to claim 1, wherein the polyolefin resin further contains low-density polyethylene in an amount of 5 to 20% by mass with respect to the entire polyolefin resin. is there. By further containing low-density polyethylene, the tensile elongation and tensile elongation characteristics after heat aging can be further improved.
請求項3に記載の発明は、前記スチレン系エラストマーが、スチレンとゴム成分のブロック共重合エラストマーであることを特徴とする請求項1又は2に記載のノンハロゲン難燃性樹脂組成物である。スチレン系エラストマーがスチレンとゴム成分のブロック共重合エラストマーであることにより、ポリオレフィン系樹脂とポリフェニレンエーテル系樹脂の相溶性を向上させ機械特性に優れる樹脂組成物が得られる。
The invention according to
請求項4に記載の発明は、前記ポリフェニレンエーテルが、ポリスチレンを溶融ブレンドしたポリフェニレンエーテル樹脂であることを特徴とする請求項1〜3のいずれか1項に記載のノンハロゲン難燃性樹脂組成物である。ポリスチレンを溶融ブレンドしたポリフェニレンエーテル樹脂を使用することで、溶融混合時の作業性と共に押出加工性が向上する。 The invention according to claim 4 is the non-halogen flame retardant resin composition according to any one of claims 1 to 3, wherein the polyphenylene ether is a polyphenylene ether resin obtained by melt blending polystyrene. is there. By using a polyphenylene ether resin in which polystyrene is melt-blended, extrusion workability is improved as well as workability during melt mixing.
請求項5に記載の発明は、上記のノンハロゲン難燃性樹脂組成物を被覆層として用いた電線・ケーブルである。本発明により、難燃性、柔軟性及びカットスルー特性に優れたノンハロゲン絶縁電線が得られる。 The invention according to claim 5 is an electric wire / cable using the non-halogen flame retardant resin composition as a coating layer. According to the present invention, a halogen-free insulated wire excellent in flame retardancy, flexibility, and cut-through characteristics can be obtained.
請求項6に記載の発明は、前記被覆層の厚みが0.3mm以下であることを特徴とする上記の電線・ケーブルである。絶縁被覆層の厚みが0.3mm以下と薄い場合には、カットスルー特性等の特性において、従来技術による電線との差が顕著となり、優れた効果を発揮する。 The invention according to claim 6 is the electric wire / cable described above, wherein the coating layer has a thickness of 0.3 mm or less. When the thickness of the insulating coating layer is as thin as 0.3 mm or less, the characteristics such as the cut-through characteristics are significantly different from those of the conventional electric wires, and an excellent effect is exhibited.
請求項7に記載の発明は、前記被覆層が電離放射線の照射により架橋されていることを特徴とする請求項5又は6に記載の電線・ケーブルである。被覆層が架橋されていることで、耐熱性や機械的強度が向上する。 The invention according to claim 7 is the electric wire / cable according to claim 5 or 6, wherein the coating layer is crosslinked by irradiation with ionizing radiation. Heat resistance and mechanical strength are improved because the coating layer is cross-linked.
本発明によれば、難燃性、柔軟性、耐摩耗性等の機械的強度に優れ、特にカットスルー特性に優れると共に、UL規格を満足する引張伸び特性を有するノンハロゲン難燃性樹脂組成物及びこれを用いた電線・ケーブルを提供することができる。 According to the present invention, a non-halogen flame retardant resin composition having excellent mechanical strength such as flame retardancy, flexibility, abrasion resistance, etc., particularly excellent cut-through characteristics, and having tensile elongation characteristics satisfying UL standards, and An electric wire / cable using this can be provided.
まずノンハロゲン難燃性樹脂組成物に使用する各種材料について説明する。ポリフェニレンエーテルは、メタノールとフェノールを原料として合成される2,6−キシレノールを酸化重合させて得られるエンジニアリングプラスチックである。またポリフェニレンエーテルの成形加工性を向上させるため、ポリフェニレンエーテルにポリスチレンを溶融ブレンドした材料が変性ポリフェニレンエーテル樹脂として各種市販されている。本発明に用いるポリフェニレンエーテル系樹脂としては、上記のポリフェニレンエーテル樹脂単体、及びポリスチレンを溶融ブレンドしたポリフェニレンエーテル樹脂のいずれも使用することができる。また無水マレイン酸等のカルボン酸を導入したものを適宜ブレンドして使用することもできる。 First, various materials used for the non-halogen flame retardant resin composition will be described. Polyphenylene ether is an engineering plastic obtained by oxidative polymerization of 2,6-xylenol synthesized using methanol and phenol as raw materials. In order to improve the moldability of polyphenylene ether, various materials are commercially available as modified polyphenylene ether resins in which polystyrene is blended with polyphenylene ether. As the polyphenylene ether resin used in the present invention, any of the above-mentioned polyphenylene ether resin alone and a polyphenylene ether resin obtained by melt blending polystyrene can be used. Moreover, what introduce | transduced carboxylic acid, such as maleic anhydride, can also be blended suitably and used.
ポリフェニレンエーテル系樹脂としてポリスチレンを溶融ブレンドしたポリフェニレンエーテル樹脂を使用すると、スチレン系エラストマーとの溶融混合時の作業性が向上し好ましい。ポリスチレンを溶融ブレンドしたポリフェニレンエーテル樹脂はスチレン系エラストマーとの相溶性に優れるため、押出加工時の樹脂圧が低減し、押出加工性が向上する。 When a polyphenylene ether resin obtained by melt blending polystyrene is used as the polyphenylene ether resin, workability at the time of melt mixing with the styrene elastomer is preferably improved. Since the polyphenylene ether resin obtained by melt blending polystyrene is excellent in compatibility with the styrene elastomer, the resin pressure during the extrusion process is reduced, and the extrusion processability is improved.
このようなポリフェニレンエーテル系樹脂においては、ポリスチレンのブレンド比率に応じて荷重たわみ温度が変化するが、荷重たわみ温度が130℃以上のものを使用すると電線被膜の機械的強度が大きくなり、また熱変形特性が優れるため好ましい。なお荷重たわみ温度はISO75−1、2の方法により、荷重1.80MPaで測定した値とする。 In such a polyphenylene ether resin, the deflection temperature under load changes depending on the blend ratio of polystyrene. However, when a resin with a deflection temperature under load of 130 ° C or higher is used, the mechanical strength of the wire coating increases and thermal deformation occurs. It is preferable because of its excellent characteristics. The deflection temperature under load is a value measured at a load of 1.80 MPa by the method of ISO75-1,2.
本発明に使用するスチレン系エラストマーとしては、スチレン・エチレンブテン・スチレン共重合体、スチレン・エチレンプロピレン・スチレン共重合体、スチレン・エチレン・エチレンプロピレン・スチレン共重合体、スチレン・ブチレン・スチレン共重合体等が挙げられ、これらの水素添加ポリマーや部分水素添加ポリマーを例示できる。また無水マレイン酸等のカルボン酸を導入したものを適宜ブレンドして使用することもできる。 Styrene elastomers used in the present invention include styrene / ethylene butene / styrene copolymers, styrene / ethylene propylene / styrene copolymers, styrene / ethylene / ethylene propylene / styrene copolymers, styrene / butylene / styrene copolymers. Examples thereof include hydrogenated polymers and partially hydrogenated polymers. Moreover, what introduce | transduced carboxylic acid, such as maleic anhydride, can also be blended suitably and used.
この中でも、スチレンとゴム成分のブロック共重合エラストマーを使用すると、押出加工性が向上することに加え、引張破断伸びが向上し、また耐衝撃性が向上するなどの点で好ましい。またブロック共重合体として、水素化スチレン・ブチレン・スチレンブロック共重合体やスチレン・イソブチレン・スチレン系共重合体等のトリブロック型共重合体、及びスチレン・エチレン共重合体、スチレン・エチレンプロピレン共重合体等のジブロック型共重合体を使用することができ、スチレン系エラストマー中トリブロック成分が50重量%以上含まれていると、電線被膜の強度及び硬度が向上するため好ましい。 Among these, use of a block copolymer elastomer of styrene and a rubber component is preferable from the viewpoints of improving extrudability, improving tensile elongation at break, and improving impact resistance. As block copolymers, triblock copolymers such as hydrogenated styrene / butylene / styrene block copolymers and styrene / isobutylene / styrene copolymers, styrene / ethylene copolymers, and styrene / ethylene propylene copolymers are used. A diblock copolymer such as a polymer can be used, and when the triblock component in the styrene elastomer is contained in an amount of 50% by weight or more, it is preferable because the strength and hardness of the electric wire coating is improved.
またスチレン系エラストマー中に含まれるスチレン含有量が20重量%以上のものが機械特性、難燃性の点から好適に使用できる。スチレン含有量が20重量%より少ないと硬度や押出加工性が低下する。またスチレン含有量が50重量%を超えると引張破断伸びが低下するため好ましくない。
更に、分子量の指標となるメルトフローレート(「MFR」と略記;JIS K 7210に従って、230℃×2.16kgfで測定)が0.8〜15g/10minの範囲であることが好ましい。メルトフローレートが0.8g/10minより小さいと押出加工性が低下し、また15g/10minを超えると機械強度が低下するからである。Also, those having a styrene content of 20% by weight or more contained in the styrene elastomer can be suitably used from the viewpoint of mechanical properties and flame retardancy. When the styrene content is less than 20% by weight, the hardness and extrusion processability are lowered. On the other hand, if the styrene content exceeds 50% by weight, the tensile elongation at break decreases, which is not preferable.
Further, the melt flow rate (abbreviated as “MFR”; measured at 230 ° C. × 2.16 kgf in accordance with JIS K 7210) serving as an index of molecular weight is preferably in the range of 0.8 to 15 g / 10 min. This is because if the melt flow rate is smaller than 0.8 g / 10 min, the extrudability is lowered, and if it exceeds 15 g / 10 min, the mechanical strength is lowered.
ポリオレフィン系樹脂としては、ポリプロピレン(ホモポリマー、ブロックポリマー、ランダムポリマー)、ポリプロピレン系熱可塑性エラストマー、リアクター型ポリプロピレン系熱可塑性エラストマー、動的架橋型ポリプロピレン系熱可塑性エラストマー、ポリエチレン(高密度ポリエチレン、直鎖状低密度ポリエチレン、低密度ポリエチレン、超低密度ポリエチレン)、エチレン−酢酸ビニル共重合体、エチレン−アクリル酸エチル共重合体、エチレン−メタクリル酸メチル共重合体、エチレン−アクリル酸メチル共重合体、エチレン−アクリル酸エチル共重合体、エチレン−アクリル酸ブチル共重合体、エチレン−プロピレンゴム、エチレンアクリルゴム、エチレン−グリシジルメタクリレート共重合体、エチレン−メタクリル酸共重合体、エチレン−メタクリル酸共重合体やエチレン−アクリル酸共重合体の分子間をナトリウムや亜鉛などの金属イオンで分子間結合したアイオノマー樹脂等を使用できる。またこれらの樹脂を無水マレイン酸等で変性したものや、エポキシ基、アミノ基、イミド基を有するものも使用できる。 Polyolefin resins include polypropylene (homopolymer, block polymer, random polymer), polypropylene thermoplastic elastomer, reactor type polypropylene thermoplastic elastomer, dynamically cross-linked polypropylene type thermoplastic elastomer, polyethylene (high density polyethylene, straight chain) Low density polyethylene, low density polyethylene, ultra low density polyethylene), ethylene-vinyl acetate copolymer, ethylene-ethyl acrylate copolymer, ethylene-methyl methacrylate copolymer, ethylene-methyl acrylate copolymer, Ethylene-ethyl acrylate copolymer, ethylene-butyl acrylate copolymer, ethylene-propylene rubber, ethylene acrylic rubber, ethylene-glycidyl methacrylate copolymer, ethylene-methacrylic acid copolymer Coalescence, ethylene - can be used an ionomer resin bound intermolecularly with a metal ion such as sodium or zinc intermolecular acrylic acid copolymer - methacrylic acid copolymer or ethylene. Further, those obtained by modifying these resins with maleic anhydride or the like, or those having an epoxy group, an amino group or an imide group can be used.
上記のポリオレフィン系樹脂のうち、メタロセンランダムPPとブロック共重合ポリプロピレンとを必須成分とする。メタロセンランダムPPはポリオレフィン系樹脂全体に対して5〜60質量%、ブロック共重合ポリプロピレンはポリオレフィン系樹脂全体に対して30〜95質量%とする。メタロセンランダムPPの含有量がこの範囲よりも少ない場合は熱老化後の伸びが小さくなりUL規格を満たせない。またブロック共重合ポリプロピレンがこの範囲よりも少ない場合はカットスルー強度が不足する。さらに低密度ポリエチレンを、ポリオレフィン系樹脂全体に対して5〜20質量%含有すると伸び及び熱老化後の伸び特性を向上でき、好ましい。 Among the above polyolefin-based resins, metallocene random PP and block copolymerized polypropylene are essential components. The metallocene random PP is 5 to 60% by mass with respect to the entire polyolefin resin, and the block copolymerized polypropylene is 30 to 95% by mass with respect to the entire polyolefin resin. When the content of the metallocene random PP is less than this range, the elongation after heat aging becomes small and the UL standard cannot be satisfied. If the amount of block copolymerized polypropylene is less than this range, the cut-through strength is insufficient. Furthermore, when 5-20 mass% of low density polyethylene is contained with respect to the whole polyolefin resin, the elongation characteristics after elongation and heat aging can be improved, which is preferable.
リン系難燃剤としては、リン酸エステル、ホスフィン酸金属塩、リン酸メラミン化合物、リン酸アンモニウム化合物、シクロホスファゼンを開環重合して得られるポリホスファゼン化合物等を使用できる。これらのリン系難燃剤は単独で用いても良いし、複数を組み合わせて用いても良い。 As the phosphorus-based flame retardant, a phosphoric ester, a phosphinic acid metal salt, a melamine phosphate compound, an ammonium phosphate compound, a polyphosphazene compound obtained by ring-opening polymerization of cyclophosphazene, or the like can be used. These phosphorus flame retardants may be used alone or in combination.
リン酸エステルとしては、トリメチルフォスフェート、トリエチルフォスフェート、トリフェニルフォスフェート、トリクレシジルフォスフェート、トリキシレニルフォスフェート、クレジルフェニルフォスフェート、クレジル2,6−キシレニルフォスフェート、2−エチルヘキシルジフェニルフォスフェート、1,3フェニレンビス(ジフェニルフォスフェート)、1,3フェニレンビス(ジ2,6キシレニルフォスフェート)、ビスフェノールAビス(ジフェニルフォスフェート)、レゾルシノールビスジフェニルフォスフェート、オクチルジフェニルフォスフェート、ジエチレンエチルエステルフォスフェート、ジヒドロキシプロピレンブチルエステルフォスフェート、エチレンジナトリウムエステルフォスフェート、t−ブチルフェニルジフェニルホスフェート、ビス−(t−ブチルフェニル)フェニルホスフェート、トリス−(t−ブチルフェニル)ホスフェート、イソプロピルフェニルジフェニルホスフェート、ビス−(イソプロピルフェニル)ジフェニルホスフェート、トリス−(イソプロピルフェニル)ホスフェート、トリス(2−エチルヘキシル)ホスフェート、トリス(ブトキシエチル)ホスフェート、トリスイソブチルホスフェート、メチルホスホン酸、メチルホスホン酸ジメチル、メチルホスホン酸ジエチル、エチルホスホン酸、プロピルホスホン酸、ブチルホスホン酸、2−メチル−プロピルホスホン酸、t−ブチルホスホン酸、2,3−ジメチルブチルホスホン酸、オクチルホスホン酸、フェニルホスホン酸、ジエチルホスフィン酸、メチルエチルホスフィン酸、メチルプロピルホスフィン酸、ジオクチルホスフィン酸、フェニルホスフィン酸、ジエチルフェニルホスフィン酸、ジフェニルホスフィン酸、アルキルリン酸エステル等を使用することができる。 Examples of phosphoric acid esters include trimethyl phosphate, triethyl phosphate, triphenyl phosphate, tricresidyl phosphate, trixylenyl phosphate, cresyl phenyl phosphate, cresyl 2,6-xylenyl phosphate, 2- Ethylhexyl diphenyl phosphate, 1,3 phenylene bis (diphenyl phosphate), 1,3 phenylene bis (di 2,6 xylenyl phosphate), bisphenol A bis (diphenyl phosphate), resorcinol bisdiphenyl phosphate, octyl diphenyl Phosphate, diethylene ethyl ester phosphate, dihydroxypropylene butyl ester phosphate, ethylene disodium ester phosphate, t-butyl phosphate Nildiphenyl phosphate, bis- (t-butylphenyl) phenyl phosphate, tris- (t-butylphenyl) phosphate, isopropylphenyldiphenyl phosphate, bis- (isopropylphenyl) diphenyl phosphate, tris- (isopropylphenyl) phosphate, tris (2 -Ethylhexyl) phosphate, tris (butoxyethyl) phosphate, trisisobutyl phosphate, methylphosphonic acid, dimethyl methylphosphonate, diethyl methylphosphonate, ethylphosphonic acid, propylphosphonic acid, butylphosphonic acid, 2-methyl-propylphosphonic acid, t-butyl Phosphonic acid, 2,3-dimethylbutylphosphonic acid, octylphosphonic acid, phenylphosphonic acid, diethylphosphinic acid, methylethyl Sufin acid, can be used methylpropyl phosphinic acid, dioctyl phosphinic acid, phenyl phosphinic acid, diethyl phenyl phosphinic acid, diphenyl phosphinic acid, alkyl phosphoric acid ester and the like.
ホスフィン酸金属塩は、下記式(I)で表される化合物である。なお、上記式中R1、R2は、それぞれ、炭素数1〜6のアルキル基または炭素数12以下のアリール基であり、Mは、カルシウム、アルミニウム又は亜鉛であり、M=アルミニウムの場合はm=3、それ以外の場合はm=2である。The phosphinic acid metal salt is a compound represented by the following formula (I). In the above formula, R 1 and R 2 are each an alkyl group having 1 to 6 carbon atoms or an aryl group having 12 or less carbon atoms, M is calcium, aluminum or zinc, and M = aluminum. m = 3, otherwise m = 2.
(I)
(I)
ホスフィン酸金属塩としては、クラリアント(株)製のEXOLIT OP1230、EXOLIT OP1240、EXOLIT OP930、EXOLIT OP935等の有機ホスフィン酸のアルミニウム塩、またはEXOLIT OP1312等の有機ホスフィン酸のアルミニウム塩とポリリン酸メラミンのブレンド物を使用できる。 As the phosphinic acid metal salt, aluminum salt of organic phosphinic acid such as EXOLIT OP1230, EXOLIT OP1240, EXOLIT OP930, EXOLIT OP935, etc. manufactured by Clariant Co., Ltd., or a blend of aluminum phosphinic acid such as EXOLIT OP1312 and melamine polyphosphate You can use things.
リン酸メラミン化合物としては、チバスペシャルティ(株)製のMELAPUR200等のポリリン酸メラミン、またはポリリン酸メラミン酸、リン酸メラミン、オルソリン酸メラミン、ピロリン酸メラミン等を使用できる。 As the melamine phosphate compound, melamine polyphosphate such as MELAPUR200 manufactured by Ciba Specialty Co., Ltd., melamine polyphosphate, melamine phosphate, melamine orthophosphate, melamine pyrophosphate, or the like can be used.
リン酸アンモニウム化合物としては、ポリリン酸アンモニウム、ポリリン酸アミド、ポリリン酸アミドアンモニウム、ポリリン酸カルバミン酸等を使用できる。 Examples of ammonium phosphate compounds that can be used include ammonium polyphosphate, polyphosphate amide, ammonium polyphosphate amide, and carbamic acid polyphosphate.
シクロホスファゼンを開環重合して得られるポリホスファゼン化合物としては、大塚化学(株)製のSPR−100、SA−100、SR−100、SRS−100、SPB−100L等を使用できる。 As a polyphosphazene compound obtained by ring-opening polymerization of cyclophosphazene, SPR-100, SA-100, SR-100, SRS-100, SPB-100L, etc. manufactured by Otsuka Chemical Co., Ltd. can be used.
リン系難燃剤の含有量は、樹脂成分100質量部に対して5〜40質量部とする。5質量部よりも少ない場合は難燃性が不十分であり、40質量部を越えると機械的特性が低下する。さらに好ましいリン系難燃剤の含有量は5〜30質量部である。リン系難燃剤は、表面をメラミン、メラミンシアヌレート、脂肪酸、シランカップリング剤で処理して使用しても良い。また予め表面処理するのではなく、熱可塑性樹脂と混合する際に表面処理剤を添加するインテグラルブレンドを行っても良い。またリン系難燃剤と併用して窒素系難燃剤を使用しても良い。窒素系難燃剤としてはメラミン、メラミンシアヌレート等を使用できる。 Content of a phosphorus flame retardant shall be 5-40 mass parts with respect to 100 mass parts of resin components. When the amount is less than 5 parts by mass, the flame retardancy is insufficient, and when it exceeds 40 parts by mass, the mechanical properties are deteriorated. A more preferable phosphorus-based flame retardant content is 5 to 30 parts by mass. The phosphorus-based flame retardant may be used by treating the surface with melamine, melamine cyanurate, fatty acid, or silane coupling agent. Further, instead of pre-treating the surface in advance, an integral blend in which a surface treating agent is added when mixing with the thermoplastic resin may be performed. A nitrogen-based flame retardant may be used in combination with a phosphorus-based flame retardant. Melamine, melamine cyanurate, etc. can be used as the nitrogen-based flame retardant.
更に本発明のノンハロゲン難燃性樹脂組成物には架橋助剤を添加することができる。架橋助剤としてはトリメチロールプロパントリメタクリレートやトリアリルシアヌレート、トリアリルイソシアヌレート等の分子内に複数の炭素−炭素二重結合を持つ多官能性モノマーが好ましく使用できる。また架橋助剤は常温で液体であることが好ましい。液体であるとポリフェニレンエーテル系樹脂やスチレン系エラストマーとの混合がしやすいからである。更に架橋助剤としてトリメチロールプロパントリメタクリレートを使用すると、樹脂への相溶性が向上し、好ましい。 Furthermore, a crosslinking aid can be added to the non-halogen flame retardant resin composition of the present invention. As the crosslinking aid, a polyfunctional monomer having a plurality of carbon-carbon double bonds in the molecule such as trimethylolpropane trimethacrylate, triallyl cyanurate, triallyl isocyanurate and the like can be preferably used. Moreover, it is preferable that a crosslinking adjuvant is a liquid at normal temperature. This is because when it is a liquid, it can be easily mixed with a polyphenylene ether resin or a styrene elastomer. Furthermore, it is preferable to use trimethylolpropane trimethacrylate as a crosslinking aid because compatibility with the resin is improved.
本発明のノンハロゲン難燃性樹脂組成物には、必要に応じて酸化防止剤、加工安定剤、着色剤、重金属不活性化材、発泡剤、多官能性モノマー等を適宜混合することができ、これらの材料を短軸押出型混合機、加圧ニーダー、バンバリーミキサー等の既知の溶融混合機を用いて混合して作成することができる。 In the non-halogen flame retardant resin composition of the present invention, an antioxidant, a processing stabilizer, a colorant, a heavy metal deactivator, a foaming agent, a polyfunctional monomer, and the like can be appropriately mixed as necessary. These materials can be prepared by mixing using a known melt mixer such as a short screw extruder, a pressure kneader, or a Banbury mixer.
本発明の絶縁電線は、上記の難燃性樹脂組成物からなる被覆層を有するものであり、導体上に被覆層が直接又は他の層を介して形成される。絶縁被覆層の形成には溶融押出機など既知の押出成形機を用いることができる。また絶縁層に電離放射線を照射して架橋することが好ましい。 The insulated wire of this invention has a coating layer which consists of said flame-retardant resin composition, and a coating layer is formed on a conductor directly or through another layer. For forming the insulating coating layer, a known extruder such as a melt extruder can be used. The insulating layer is preferably cross-linked by irradiating with ionizing radiation.
導体としては、導電性に優れる銅線、アルミ線などが使用できる。導体の径は使用用途に応じて適宜選択できるが、狭いスペースへの配線を可能とするためには2mm以下とすることが好ましい。また取り扱いの容易さを考慮すると0.1mm以上とすることが好ましい。導体は単線であっても良いし、複数の素線を撚り線したものでも良い。 As a conductor, a copper wire, an aluminum wire, etc. which are excellent in electroconductivity can be used. The diameter of the conductor can be appropriately selected according to the intended use, but is preferably 2 mm or less in order to enable wiring in a narrow space. In consideration of ease of handling, the thickness is preferably 0.1 mm or more. The conductor may be a single wire or may be a strand of a plurality of strands.
被覆層の厚みは、導体径に応じて適宜選択することができるが、被覆層の厚みを0.3mm以下とすると、機械的強度の面で好ましい。従来技術によるハロゲンフリー電線では、被覆層の厚みが0.3mm以下の場合に耐摩耗性やカットスルー強度が低下するが、本発明によると被覆層の厚みが0.3mm以下でも優れた性能が得られ、従来技術による電線との差が顕著に現れる。また圧接用電線においては、コネクタとの嵌合性の点から被覆層厚みが0.3mm以下の電線が好ましく使用される。 The thickness of the coating layer can be appropriately selected according to the conductor diameter, but the thickness of the coating layer is preferably 0.3 mm or less in terms of mechanical strength. In the halogen-free electric wire according to the prior art, the wear resistance and the cut-through strength are reduced when the thickness of the coating layer is 0.3 mm or less, but according to the present invention, excellent performance is achieved even when the thickness of the coating layer is 0.3 mm or less. As a result, the difference from the electric wire according to the prior art appears remarkably. Moreover, in the pressure welding electric wire, an electric wire having a coating layer thickness of 0.3 mm or less is preferably used from the viewpoint of fitting property with the connector.
被覆層が電離放射線の照射により架橋されていると、機械的強度が向上して好ましい。電離放射線源としては、加速電子線やガンマ線、X線、α線、紫外線等が例示でき、線源利用の簡便さや電離放射線の透過厚み、架橋処理の速度など工業的利用の観点から加速電子線が最も好ましく利用できる。 When the coating layer is crosslinked by irradiation with ionizing radiation, the mechanical strength is preferably improved. Examples of ionizing radiation sources include accelerated electron beams, gamma rays, X-rays, α rays, ultraviolet rays, and the like. Accelerated electron beams are used from the viewpoint of industrial use, such as ease of use of the source, ionizing radiation transmission thickness, and speed of crosslinking treatment Is most preferably used.
次に、本発明を実施例に基づいてさらに詳細に説明する。実施例は本発明の範囲を限定するものではない。 Next, the present invention will be described in more detail based on examples. The examples are not intended to limit the scope of the invention.
[実施例1〜5]
(ノンハロゲン難燃性樹脂組成物ペレットの作成)
表1に示す配合処方で各成分を混合した。なお表中、ベース樹脂、難燃剤、老防および架橋助剤の単位は質量部である。二軸混合機(45mmφ、L/D=42)を使用し、シリンダー温度240℃、スクリュー回転数100rpmで溶融混合し、ストランド状に溶融押出し、次いで、溶融ストランドを冷却切断してペレットを作製した。[Examples 1 to 5]
(Creation of non-halogen flame retardant resin composition pellets)
Each component was mixed with the formulation shown in Table 1. In the table, the units of base resin, flame retardant, anti-aging and crosslinking aid are parts by mass. Using a twin-screw mixer (45 mmφ, L / D = 42), melt-mixed at a cylinder temperature of 240 ° C. and a screw rotation speed of 100 rpm, melt-extruded into a strand, and then cooled and cut the molten strand to produce pellets .
(絶縁電線の作製)
単軸押出機(30mmφ、L/D=24)を用いて、導体(錫メッキ軟銅線を7本撚りしたもの。導体径0.42mm)上に肉厚が0.14mmになるように押出被覆し、加速電圧2MeVの電子線を30kGy又は60kGy照射して絶縁電線を作成した。なお機械的特性(オリジナル及び熱老化後)は作成した絶縁電線から導体を取り除いて被覆層のみとしたものを使用して評価した。(Production of insulated wires)
Using a single-screw extruder (30 mmφ, L / D = 24), extrusion coating is applied so that the thickness is 0.14 mm on a conductor (7 tin-plated annealed copper wires, conductor diameter 0.42 mm). Then, an insulated wire was created by irradiating an electron beam with an acceleration voltage of 2 MeV at 30 kGy or 60 kGy. The mechanical properties (original and after heat aging) were evaluated using a conductor that had been removed from the prepared insulated wire to make only the coating layer.
(被覆層の評価:引張特性)
作製した電線から導体を抜き取り、被覆層の引張試験を行った。試験条件は引張速度=500mm/分、標線間距離=25mm、温度=23℃とし、引張強さ、及び引張伸び(破断伸び)を各3点の試料で測定し、それらの平均値を求めた。引張強さが10.3MPa以上かつ引張伸び150%以上のものを「合格」と判定した。(Evaluation of coating layer: tensile properties)
A conductor was extracted from the produced electric wire, and a tensile test of the coating layer was performed. The test conditions were: tensile speed = 500 mm / min, distance between marked lines = 25 mm, temperature = 23 ° C., tensile strength and tensile elongation (breaking elongation) were measured with three samples each, and the average value was obtained. It was. Those having a tensile strength of 10.3 MPa or more and a tensile elongation of 150% or more were judged as “pass”.
(被覆層の評価:セカントモジュラス)
上記引張試験と同様のサンプルを用いて、引張速度=50mm/分、標線間距離=25mm、温度=23℃で引張試験を行った後、応力−伸び曲線から伸びが2%となる点の弾性率を計算した。(Evaluation of coating layer: secant modulus)
Using a sample similar to the above tensile test, after performing a tensile test at a tensile rate of 50 mm / min, a distance between marked lines of 25 mm, and a temperature of 23 ° C., the elongation becomes 2% from the stress-elongation curve. The elastic modulus was calculated.
(被覆層の評価:耐熱性)
絶縁電線を136℃に設定したギアオーブン内で168時間(7日間)放置した後、引張特性評価と同様に引張試験を行い、加熱処理前の引張強度、引張伸びとの比較を行った。加熱処理前の引張強度に対し残率75%以上、引張伸びに対し残率45%以上を合格レベルとした。(Evaluation of coating layer: heat resistance)
After leaving the insulated wire in a gear oven set at 136 ° C. for 168 hours (7 days), a tensile test was performed in the same manner as the evaluation of the tensile properties, and the tensile strength and tensile elongation before the heat treatment were compared. A residual rate of 75% or more with respect to the tensile strength before the heat treatment and a residual rate of 45% or more with respect to the tensile elongation were regarded as acceptable levels.
(絶縁電線の評価:難燃性試験)
UL規格1581、1080項に記載のVW−1垂直燃焼試験を5点の試料で行った。各試料に15秒着火を5回繰り返した場合に、60秒以内に消化し、下部に敷いた脱脂綿が燃焼落下物によって類焼せず、かつ試料の上部取り付けたクラフト紙が燃えたり焦げたりしないものを合格とした。5点の試料中1点でも合格レベルにならなかった場合には不合格とした。(Evaluation of insulated wires: Flame resistance test)
The VW-1 vertical combustion test described in UL standard 1581, 1080 was performed on five samples. When each sample is ignited 15 seconds 5 times, it digests within 60 seconds, the absorbent cotton laid underneath is not burned by burning fallen objects, and the kraft paper attached to the top of the sample does not burn or burn Was passed. If even one of the five samples did not pass, it was rejected.
(絶縁電線の評価:カットスルー強度)
図1に示す測定装置を用いてカットスルー強度を測定した。導体1及び被覆層2とからなる絶縁電線3の上に90°シャープエッジ(先端R=0.125mm、先端角度90°)を有する刃4を当て、導体とシャープエッジとの間に流れる電流値を測定する。初期状態では導体とシャープエッジとは被覆層2によって絶縁されており電流は流れないが、被覆層2が刃4によって切断されると導体とシャープエッジとの間に電流が流れる。刃4に荷重を加え、被覆層2が切断されないで耐える最大荷重を測定する。なお試験雰囲気は温度23℃、湿度50%RHとする。荷重70N以上を合格レベルとする。(Evaluation of insulated wires: cut-through strength)
Cut-through strength was measured using the measuring apparatus shown in FIG. A blade 4 having a 90 ° sharp edge (tip R = 0.125 mm, tip angle 90 °) is placed on an
[比較例1〜7]
表2に示す配合処方を持つ樹脂組成物を用いたこと以外は実施例1〜5と同様に絶縁電線を作製し、一連の評価を行った。なお表中、ベース樹脂、難燃剤、老防および架橋助剤の単位は質量部である。結果を表2に示す。[Comparative Examples 1 to 7]
Except having used the resin composition which has a mixing | blending prescription shown in Table 2, the insulated wire was produced similarly to Examples 1-5, and a series of evaluation was performed. In the table, the units of base resin, flame retardant, anti-aging and crosslinking aid are parts by mass. The results are shown in Table 2.
(脚注)
(*1)ブロック共重合ポリプロピレン樹脂:日本ポリプロ(株)製ノバテックEC9
(*2)メタロセン触媒を用いて重合されたエチレン−プロピレンランダム共重合体:日本ポリプロ(株)製WELNEX RFG4VA
(*3)ホモポリプロピレン:日本ポリプロ(株)製ノバテックEA9BT
(*4)低密度ポリエチレン:日本ユニカー(株)製NUC−8007(MFR=7g/10min)
(*5)固有粘度0.47dl/gのポリフェニレンエーテル樹脂
(*6)スチレン系エラストマー:旭化成(株)製:タフテック(登録商標)H1043
(*7)縮合リン酸エステル:大八化学工業(株)製PX−200(リン9.0%)
(*8)チバスペシャリティケミカルズ(株)製Irganox1010
(*9)シプロ化成(株)製SEENOX 412S
(*10)トリメチロールプロパントリメタクリレート:DIC(株)製TD1500S(footnote)
(* 1) Block copolymer polypropylene resin: Novatec EC9 manufactured by Nippon Polypro Co., Ltd.
(* 2) Ethylene-propylene random copolymer polymerized using a metallocene catalyst: WELNEX RFG4VA manufactured by Nippon Polypro Co., Ltd.
(* 3) Homopolypropylene: Novatec EA9BT manufactured by Nippon Polypro Co., Ltd.
(* 4) Low density polyethylene: NUC-8007 (MFR = 7 g / 10 min) manufactured by Nippon Unicar Co., Ltd.
(* 5) Polyphenylene ether resin with intrinsic viscosity of 0.47 dl / g (* 6) Styrene elastomer: Asahi Kasei Corporation: Tuftec (registered trademark) H1043
(* 7) Condensed phosphate ester: PX-200 (phosphorus 9.0%) manufactured by Daihachi Chemical Industry Co., Ltd.
(* 8) Irganox 1010 manufactured by Ciba Specialty Chemicals Co., Ltd.
(* 9) SEENOX 412S manufactured by Sipro Kasei Co., Ltd.
(* 10) Trimethylolpropane trimethacrylate: DIC Corporation TD1500S
実施例1〜5の絶縁電線はいずれもカットスルー強度が70N以上であり高強度である。またオリジナルの引張伸び及び熱老化後の引張伸びも合格レベルである。低密度ポリエチレンを使用していない実施例1と比較すると、低密度ポリエチレンを使用している実施例2〜5は、熱老化後の引張伸びが大きくなっている。またメタロセンランダムPPの含有量を多くすると引張伸び及び熱老化後の引張伸びが大きくなっている。 All the insulated wires of Examples 1 to 5 have a cut-through strength of 70 N or more and high strength. The original tensile elongation and the tensile elongation after heat aging are also acceptable levels. Compared with Example 1 that does not use low-density polyethylene, Examples 2 to 5 that use low-density polyethylene have a higher tensile elongation after heat aging. Further, when the content of the metallocene random PP is increased, the tensile elongation and the tensile elongation after heat aging are increased.
比較例1〜7の絶縁電線に使用したノンハロゲン難燃性樹脂組成物にはメタロセンランダムPPが含まれていない。カットスルー強度はいずれも高く合格レベルであるが、熱老化後の引張伸びが小さく、不合格である。比較例6、7には弾性率の高いホモPPを添加しており、樹脂組成物の弾性率が高くなっている。弾性率が向上したことでカットスルー強度も高くなっているが、熱老化後の引張伸びが小さく合格レベルには達していない。 The non-halogen flame retardant resin composition used for the insulated wires of Comparative Examples 1 to 7 does not contain metallocene random PP. The cut-through strength is high and is at a pass level, but the tensile elongation after heat aging is small and it is rejected. In Comparative Examples 6 and 7, homo PP having a high elastic modulus is added, and the elastic modulus of the resin composition is high. Although the cut-through strength has increased due to the improved elastic modulus, the tensile elongation after heat aging is small and has not reached the acceptable level.
1導体
2被覆層
3絶縁電線
4刃1 conductor 2
比較例1〜6の絶縁電線に使用したノンハロゲン難燃性樹脂組成物にはメタロセンランダムPPが含まれていない。カットスルー強度はいずれも高く合格レベルであるが、熱老化後の引張伸びが小さく、不合格である。比較例6、7には弾性率の高いホモPPを添加しており、樹脂組成物の弾性率が高くなっている。弾性率が向上したことでカットスルー強度も高くなっているが、熱老化後の引張伸びが小さく合格レベルには達していない。 The non-halogen flame retardant resin composition used for the insulated wires of Comparative Examples 1 to 6 does not contain metallocene random PP. The cut-through strength is high and is at a pass level, but the tensile elongation after heat aging is small and it is rejected. In Comparative Examples 6 and 7, homo PP having a high elastic modulus is added, and the elastic modulus of the resin composition is high. Although the cut-through strength has increased due to the improved elastic modulus, the tensile elongation after heat aging is small and has not reached the acceptable level.
Claims (7)
ポリオレフィン系樹脂30〜85質量部、ポリフェニレンエーテル系樹脂10〜50質量部、及びスチレン系エラストマー5〜30質量部を含有し、
前記ポリオレフィン系樹脂は、メタロセン触媒を用いて重合されたエチレン−プロピレンランダム共重合体をポリオレフィン系樹脂全体に対して5〜60質量%、ブロック共重合ポリプロピレン樹脂をポリオレフィン系樹脂全体に対して30〜95質量%含有する、ノンハロゲン難燃性樹脂組成物。A halogen-free flame retardant resin composition containing 5 to 40 parts by mass of a phosphorus-based flame retardant with respect to 100 parts by mass of the resin component, and in 100 parts by mass of the resin component,
Containing 30 to 85 parts by mass of polyolefin resin, 10 to 50 parts by mass of polyphenylene ether resin, and 5 to 30 parts by mass of styrene elastomer,
The polyolefin resin is an ethylene-propylene random copolymer polymerized using a metallocene catalyst in an amount of 5 to 60% by mass with respect to the entire polyolefin resin, and a block copolymer polypropylene resin in an amount of 30 to 30% with respect to the entire polyolefin resin. A halogen-free flame retardant resin composition containing 95% by mass.
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JP5843644B2 (en) * | 2011-09-28 | 2016-01-13 | 三井化学株式会社 | Thermoplastic polymer composition, molded article comprising the same, and electric wire |
JP5494688B2 (en) * | 2012-02-03 | 2014-05-21 | 住友電気工業株式会社 | Halogen-free flame retardant insulated wire |
CN103804835A (en) * | 2012-11-06 | 2014-05-21 | 广东聚石化学股份有限公司 | Halogen-free flame retardant thermoplastic elastomer cable material and preparation method thereof |
CN103194014B (en) * | 2013-04-08 | 2015-04-01 | 刘平 | Halogen-free flame-retardant polyolefin material |
CN103360752B (en) * | 2013-07-15 | 2015-10-28 | 上海秋橙新材料科技有限公司 | anti-aging PPO-ABS plastic alloy |
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WO2015130089A1 (en) * | 2014-02-28 | 2015-09-03 | (주) 엘지화학 | Flame retardant thermoplastic resin composition and electric wire comprising same |
KR101960350B1 (en) * | 2015-06-17 | 2019-03-20 | 주식회사 엘지화학 | Polypropylene resin composition and a cable covered therefrom |
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JP6418138B2 (en) * | 2015-11-25 | 2018-11-07 | 住友電気工業株式会社 | Flame retardant resin composition and flame retardant cable |
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JP2000026696A (en) * | 1998-07-14 | 2000-01-25 | Sumitomo Wiring Syst Ltd | Flame retardant and abrasion resistant resin composition |
JP4002061B2 (en) * | 2000-10-03 | 2007-10-31 | 古河電気工業株式会社 | Flame retardant resin composition for covering electric wire or optical fiber and wiring material using the same |
JP5546096B2 (en) * | 2007-03-22 | 2014-07-09 | 旭化成ケミカルズ株式会社 | Thermoplastic polymer rubber composition |
JP5172839B2 (en) * | 2008-04-09 | 2013-03-27 | 住友電気工業株式会社 | Flame retardant tube and heat shrink tube using the same |
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- 2011-01-26 WO PCT/JP2011/051382 patent/WO2011129129A1/en active Application Filing
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WO2011129129A1 (en) | 2011-10-20 |
CN102858873A (en) | 2013-01-02 |
SG183785A1 (en) | 2012-11-29 |
KR20130057961A (en) | 2013-06-03 |
CN102858873B (en) | 2014-08-20 |
TW201247854A (en) | 2012-12-01 |
MY167034A (en) | 2018-08-02 |
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