JP7323309B2 - ディスクブレーキ用摩擦材 - Google Patents
ディスクブレーキ用摩擦材 Download PDFInfo
- Publication number
- JP7323309B2 JP7323309B2 JP2019053712A JP2019053712A JP7323309B2 JP 7323309 B2 JP7323309 B2 JP 7323309B2 JP 2019053712 A JP2019053712 A JP 2019053712A JP 2019053712 A JP2019053712 A JP 2019053712A JP 7323309 B2 JP7323309 B2 JP 7323309B2
- Authority
- JP
- Japan
- Prior art keywords
- friction
- friction material
- wax
- examples
- acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002783 friction material Substances 0.000 title claims description 63
- 239000001993 wax Substances 0.000 claims description 29
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 11
- 235000007164 Oryza sativa Nutrition 0.000 claims description 6
- 235000009566 rice Nutrition 0.000 claims description 6
- 239000004203 carnauba wax Substances 0.000 claims description 3
- 235000013869 carnauba wax Nutrition 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims 1
- 239000000843 powder Substances 0.000 description 23
- 239000000835 fiber Substances 0.000 description 19
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 17
- 239000000463 material Substances 0.000 description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 11
- 235000014113 dietary fatty acids Nutrition 0.000 description 11
- 239000000194 fatty acid Substances 0.000 description 11
- 229930195729 fatty acid Natural products 0.000 description 11
- 150000004665 fatty acids Chemical class 0.000 description 11
- 150000002148 esters Chemical class 0.000 description 10
- 239000003607 modifier Substances 0.000 description 10
- 239000002585 base Substances 0.000 description 9
- 239000011230 binding agent Substances 0.000 description 9
- REZQBEBOWJAQKS-UHFFFAOYSA-N triacontan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCO REZQBEBOWJAQKS-UHFFFAOYSA-N 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 7
- 150000001298 alcohols Chemical class 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 125000004432 carbon atom Chemical group C* 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- 239000005011 phenolic resin Substances 0.000 description 6
- 241000209094 Oryza Species 0.000 description 5
- 239000012784 inorganic fiber Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 238000003856 thermoforming Methods 0.000 description 5
- -1 alkali metal salt Chemical class 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- UKMSUNONTOPOIO-UHFFFAOYSA-N docosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCC(O)=O UKMSUNONTOPOIO-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- IRHTZOCLLONTOC-UHFFFAOYSA-N hexacosan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCCCO IRHTZOCLLONTOC-UHFFFAOYSA-N 0.000 description 4
- XMHIUKTWLZUKEX-UHFFFAOYSA-N hexacosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCCC(O)=O XMHIUKTWLZUKEX-UHFFFAOYSA-N 0.000 description 4
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 4
- 230000001172 regenerating effect Effects 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 235000021588 free fatty acids Nutrition 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 150000002989 phenols Chemical class 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 235000021357 Behenic acid Nutrition 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 235000021353 Lignoceric acid Nutrition 0.000 description 2
- CQXMAMUUWHYSIY-UHFFFAOYSA-N Lignoceric acid Natural products CCCCCCCCCCCCCCCCCCCCCCCC(=O)OCCC1=CC=C(O)C=C1 CQXMAMUUWHYSIY-UHFFFAOYSA-N 0.000 description 2
- 229920000877 Melamine resin Polymers 0.000 description 2
- 235000021314 Palmitic acid Nutrition 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 239000003082 abrasive agent Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- YZXBAPSDXZZRGB-DOFZRALJSA-N arachidonic acid Chemical compound CCCCC\C=C/C\C=C/C\C=C/C\C=C/CCCC(O)=O YZXBAPSDXZZRGB-DOFZRALJSA-N 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 229940116226 behenic acid Drugs 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 2
- 235000020673 eicosapentaenoic acid Nutrition 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- FARYTWBWLZAXNK-WAYWQWQTSA-N ethyl (z)-3-(methylamino)but-2-enoate Chemical compound CCOC(=O)\C=C(\C)NC FARYTWBWLZAXNK-WAYWQWQTSA-N 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- BXWNKGSJHAJOGX-UHFFFAOYSA-N hexadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCO BXWNKGSJHAJOGX-UHFFFAOYSA-N 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000011256 inorganic filler Substances 0.000 description 2
- 229910003475 inorganic filler Inorganic materials 0.000 description 2
- OBTSLRFPKIKXSZ-UHFFFAOYSA-N lithium potassium Chemical compound [Li].[K] OBTSLRFPKIKXSZ-UHFFFAOYSA-N 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- SWHAQEYMVUEVNF-UHFFFAOYSA-N magnesium potassium Chemical compound [Mg].[K] SWHAQEYMVUEVNF-UHFFFAOYSA-N 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 2
- 239000012766 organic filler Substances 0.000 description 2
- 239000003002 pH adjusting agent Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920001568 phenolic resin Polymers 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- HLZKNKRTKFSKGZ-UHFFFAOYSA-N tetradecan-1-ol Chemical compound CCCCCCCCCCCCCCO HLZKNKRTKFSKGZ-UHFFFAOYSA-N 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- DVSZKTAMJJTWFG-SKCDLICFSA-N (2e,4e,6e,8e,10e,12e)-docosa-2,4,6,8,10,12-hexaenoic acid Chemical compound CCCCCCCCC\C=C\C=C\C=C\C=C\C=C\C=C\C(O)=O DVSZKTAMJJTWFG-SKCDLICFSA-N 0.000 description 1
- ALSTYHKOOCGGFT-KTKRTIGZSA-N (9Z)-octadecen-1-ol Chemical compound CCCCCCCC\C=C/CCCCCCCCO ALSTYHKOOCGGFT-KTKRTIGZSA-N 0.000 description 1
- OYHQOLUKZRVURQ-NTGFUMLPSA-N (9Z,12Z)-9,10,12,13-tetratritiooctadeca-9,12-dienoic acid Chemical compound C(CCCCCCC\C(=C(/C\C(=C(/CCCCC)\[3H])\[3H])\[3H])\[3H])(=O)O OYHQOLUKZRVURQ-NTGFUMLPSA-N 0.000 description 1
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- CQKHFONAFZDDKV-VAWYXSNFSA-N (e)-dodec-1-en-1-ol Chemical compound CCCCCCCCCC\C=C\O CQKHFONAFZDDKV-VAWYXSNFSA-N 0.000 description 1
- FRPZMMHWLSIFAZ-UHFFFAOYSA-N 10-undecenoic acid Chemical compound OC(=O)CCCCCCCCC=C FRPZMMHWLSIFAZ-UHFFFAOYSA-N 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- GZJLLYHBALOKEX-UHFFFAOYSA-N 6-Ketone, O18-Me-Ussuriedine Natural products CC=CCC=CCC=CCC=CCC=CCC=CCCCC(O)=O GZJLLYHBALOKEX-UHFFFAOYSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
- 229920002972 Acrylic fiber Polymers 0.000 description 1
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 244000226021 Anacardium occidentale Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 239000004166 Lanolin Substances 0.000 description 1
- 239000005639 Lauric acid Substances 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 244000062730 Melissa officinalis Species 0.000 description 1
- 235000010654 Melissa officinalis Nutrition 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
- 241000221535 Pucciniales Species 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- ACIAHEMYLLBZOI-ZZXKWVIFSA-N Unsaturated alcohol Chemical compound CC\C(CO)=C/C ACIAHEMYLLBZOI-ZZXKWVIFSA-N 0.000 description 1
- 239000004164 Wax ester Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- JAZBEHYOTPTENJ-JLNKQSITSA-N all-cis-5,8,11,14,17-icosapentaenoic acid Chemical compound CC\C=C/C\C=C/C\C=C/C\C=C/C\C=C/CCCC(O)=O JAZBEHYOTPTENJ-JLNKQSITSA-N 0.000 description 1
- DTOSIQBPPRVQHS-PDBXOOCHSA-N alpha-linolenic acid Chemical compound CC\C=C/C\C=C/C\C=C/CCCCCCCC(O)=O DTOSIQBPPRVQHS-PDBXOOCHSA-N 0.000 description 1
- 235000020661 alpha-linolenic acid Nutrition 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229940007424 antimony trisulfide Drugs 0.000 description 1
- NVWBARWTDVQPJD-UHFFFAOYSA-N antimony(3+);trisulfide Chemical compound [S-2].[S-2].[S-2].[Sb+3].[Sb+3] NVWBARWTDVQPJD-UHFFFAOYSA-N 0.000 description 1
- 235000021342 arachidonic acid Nutrition 0.000 description 1
- 229940114079 arachidonic acid Drugs 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 229910002113 barium titanate Inorganic materials 0.000 description 1
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- WEUCVIBPSSMHJG-UHFFFAOYSA-N calcium titanate Chemical compound [O-2].[O-2].[O-2].[Ca+2].[Ti+4] WEUCVIBPSSMHJG-UHFFFAOYSA-N 0.000 description 1
- KHAVLLBUVKBTBG-UHFFFAOYSA-N caproleic acid Natural products OC(=O)CCCCCCCC=C KHAVLLBUVKBTBG-UHFFFAOYSA-N 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 235000020226 cashew nut Nutrition 0.000 description 1
- 229960000541 cetyl alcohol Drugs 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 239000012024 dehydrating agents Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- FTGWXPDUZWAMGX-UHFFFAOYSA-N docos-1-en-1-ol Chemical compound CCCCCCCCCCCCCCCCCCCCC=CO FTGWXPDUZWAMGX-UHFFFAOYSA-N 0.000 description 1
- 235000020669 docosahexaenoic acid Nutrition 0.000 description 1
- KAUVQQXNCKESLC-UHFFFAOYSA-N docosahexaenoic acid (DHA) Natural products COC(=O)C(C)NOCC1=CC=CC=C1 KAUVQQXNCKESLC-UHFFFAOYSA-N 0.000 description 1
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 1
- 229960005135 eicosapentaenoic acid Drugs 0.000 description 1
- JAZBEHYOTPTENJ-UHFFFAOYSA-N eicosapentaenoic acid Natural products CCC=CCC=CCC=CCC=CCC=CCCCC(O)=O JAZBEHYOTPTENJ-UHFFFAOYSA-N 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- ACJQRYKUUGFHPV-UHFFFAOYSA-N icos-1-en-1-ol Chemical compound CCCCCCCCCCCCCCCCCCC=CO ACJQRYKUUGFHPV-UHFFFAOYSA-N 0.000 description 1
- BTFJIXJJCSYFAL-UHFFFAOYSA-N icosan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCCCO BTFJIXJJCSYFAL-UHFFFAOYSA-N 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 150000002596 lactones Chemical class 0.000 description 1
- 235000019388 lanolin Nutrition 0.000 description 1
- 229940039717 lanolin Drugs 0.000 description 1
- 229940033355 lauric acid Drugs 0.000 description 1
- 239000000865 liniment Substances 0.000 description 1
- 229960004488 linolenic acid Drugs 0.000 description 1
- KQQKGWQCNNTQJW-UHFFFAOYSA-N linolenic acid Natural products CC=CCCC=CCC=CCCCCCCCC(O)=O KQQKGWQCNNTQJW-UHFFFAOYSA-N 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 1
- 229940043348 myristyl alcohol Drugs 0.000 description 1
- 150000005830 nonesterified fatty acids Chemical class 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 229960002969 oleic acid Drugs 0.000 description 1
- 235000021313 oleic acid Nutrition 0.000 description 1
- 229940055577 oleyl alcohol Drugs 0.000 description 1
- XMLQWXUVTXCDDL-UHFFFAOYSA-N oleyl alcohol Natural products CCCCCCC=CCCCCCCCCCCO XMLQWXUVTXCDDL-UHFFFAOYSA-N 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 235000003441 saturated fatty acids Nutrition 0.000 description 1
- 150000004671 saturated fatty acids Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- GROMGGTZECPEKN-UHFFFAOYSA-N sodium metatitanate Chemical compound [Na+].[Na+].[O-][Ti](=O)O[Ti](=O)O[Ti]([O-])=O GROMGGTZECPEKN-UHFFFAOYSA-N 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 229960004274 stearic acid Drugs 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- AFNRRBXCCXDRPS-UHFFFAOYSA-N tin(ii) sulfide Chemical compound [Sn]=S AFNRRBXCCXDRPS-UHFFFAOYSA-N 0.000 description 1
- 229960002703 undecylenic acid Drugs 0.000 description 1
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 1
- 150000004670 unsaturated fatty acids Chemical class 0.000 description 1
- 239000010455 vermiculite Substances 0.000 description 1
- 229910052902 vermiculite Inorganic materials 0.000 description 1
- 235000019354 vermiculite Nutrition 0.000 description 1
- 235000019386 wax ester Nutrition 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/02—Composition of linings ; Methods of manufacturing
- F16D69/025—Compositions based on an organic binder
- F16D69/026—Compositions based on an organic binder containing fibres
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2200/00—Materials; Production methods therefor
- F16D2200/006—Materials; Production methods therefor containing fibres or particles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2200/00—Materials; Production methods therefor
- F16D2200/0082—Production methods therefor
- F16D2200/0086—Moulding materials together by application of heat and pressure
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Description
しかしながら、本発明者らの検討によると、近年ハイブリッド車や電気自動車に用いられている回生協調ブレーキでは、ディスクブレーキを使用した場合でも錆固着現象が発生しやすいという問題があった。
<1>高級脂肪酸及び高級アルコールのエステルを主成分とするワックスを含有する、ディスクブレーキ用摩擦材。
<2>前記ワックスの融点が65~105℃である、<1>に記載のディスクブレーキ用摩擦材。
<3>チタン酸塩を含有する、<1>又は<2>に記載のディスクブレーキ用摩擦材。
本発明のディスクブレーキ用摩擦材(以下、「本発明の摩擦材」と称することがある。)は、高級脂肪酸及び高級アルコールのエステルを主成分とするワックスを摩擦調整材として含有する。
以下、各成分について詳細に説明する。
(高級脂肪酸及び高級アルコールのエステルを主成分とするワックス)
本発明の摩擦材は、高級脂肪酸及び高級アルコールのエステルを主成分とするワックス(以下、「ワックスA」と称することがある。)を含有することを特徴とする。
遊離脂肪酸、遊離アルコールの炭素数は、例えば10~40、好ましくは15~35である。炭化水素の炭素数は、例えば10~40、好ましくは15~35である。
天然由来のワックスAとしては、例えば、カルナバワックス、ライスワックス等が挙げられ、粉末状が望ましい。
その他の摩擦調整材は、耐摩耗性、耐熱性、耐フェード性等の所望の摩擦特性を摩擦材に付与するために用いられる。
結合材としては、通常用いられる種々の結合材を用いることができる。具体的には、フェノール樹脂、エラストマー等による各種変性フェノール樹脂、メラミン樹脂、エポキシ樹脂、ポリイミド樹脂等の熱硬化性樹脂が挙げられる。
繊維基材としては、通常用いられる種々の繊維基材を用いることができる。具体的には、有機繊維、無機繊維、金属繊維が挙げられる。
金属繊維としては、例えば、スチール繊維等が挙げられる。これらは各々単独で、または2種以上組み合わせて用いられる。
本発明の摩擦材は、公知の製造工程により製造でき、例えば、上記各成分を配合し、その配合物を通常の製法に従って予備成形、熱成形、加熱、研摩等の工程を経て摩擦材を製造することができる。
(a)板金プレスによりプレッシャプレートを所定の形状に成形する工程
(b)上記プレッシャプレートに脱脂処理、化成処理及びプライマー処理を施し、接着剤を塗布する工程
(c)摩擦調整材、結合材及び繊維基材等の原料を配合し、混合により十分に均質化して、常温にて所定の圧力で成形して予備成形体を作製する工程
(d)上記予備成形体と接着剤が塗布されたプレッシャプレートとを、所定の温度及び圧力を加えて両部材を一体に固着する熱成形工程(成形温度130~180℃、成形圧力30~80MPa、成形時間2~10分間)
(e)アフターキュア(150~300℃、1~5時間)を行って、最終的に研摩、表面焼き、及び塗装等の仕上げ処理を施す工程
表2に示す配合材料を、混合撹拌機に一括して投入し、常温で2~10分間混合し、摩擦材を得た。得られた摩擦材を以下の予備成形(i)、熱成形(ii)、加熱(iii)の工程を経て、摩擦材を備えたブレーキパッドを作製した。
摩擦材を予備成形プレスの金型に投入し、常温にて20MPaで10秒間成形を行い、予備成形品を作製した。
(ii)熱成形
この予備成形品を熱成形型に投入し、予め接着剤を塗布した金属板(プレッシャプレート)を重ね、150℃、40MPaで5分間加熱圧縮成形を行った。
(iii)加熱
この加熱圧縮成形体に、200~250℃、3時間の熱処理を実施した後、研摩した。
次いで、この加熱圧縮成形体の表面に表面焼き処理を施し、仕上げに塗装を行い、摩擦材を備えたブレーキパッドを得た。
後輪にビルトイン式ディスクブレーキを採用する自動車に、上記で得られたブレーキパッド及び鋳鉄ロータを設置した。
錆固着性の評価開始1日目に、下記の操作を行った。
(2)水掛け:15L/min、3分間
(3)クリープにて3回制動
(4)パーキングブレーキをノッチ数7でかけて18時間屋外放置
(5)貼り付きを確認
(6)No.(1)~(5)の操作を1日とし、毎日繰り返した。
○:50dB以上60dB未満
△:60dB以上70dB未満
×:70dB以上またはクリープ発進不可
なお、上記「貼り付きなし」とは、摩擦材とロータ摩擦面が錆固着して剥がれる際の音がしなかったことを意味する。
得られたブレーキパッドを使用し、フルサイズのダイナモメーターを用いて下記表1に示す試験条件に基づき、評価を実施した。
制動条件1の平均摩擦係数、制動条件2の8時間放置後の平均摩擦係数、及び制動条件3の水スプレー噴霧後の平均摩擦係数をそれぞれ比較し、低温高湿放置後と水スプレー噴霧後の平均摩擦係数の変化率を下記式によって求め、下記基準に基づき評価した。結果を表2に示す。
○:±5%以上±10%未満
△:±10%以上±15%未満
×:±15%以上
Claims (1)
- チタン酸塩、および、カルナバワックスまたはライスワックスを2.0~4.0質量%含有する、ディスクブレーキ用摩擦材。
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JP2019053712A JP7323309B2 (ja) | 2019-03-20 | 2019-03-20 | ディスクブレーキ用摩擦材 |
US17/440,400 US20220163081A1 (en) | 2019-03-20 | 2020-03-16 | Friction material for disc brake |
CN202080022529.7A CN113614197A (zh) | 2019-03-20 | 2020-03-16 | 盘式制动器用摩擦材料 |
EP20773732.1A EP3943570A4 (en) | 2019-03-20 | 2020-03-16 | DISC BRAKE FRICTION MATERIAL |
PCT/JP2020/011571 WO2020189648A1 (ja) | 2019-03-20 | 2020-03-16 | ディスクブレーキ用摩擦材 |
JP2023121637A JP2023145601A (ja) | 2019-03-20 | 2023-07-26 | ディスクブレーキ用摩擦材 |
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EP (1) | EP3943570A4 (ja) |
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JP2006125618A (ja) | 2004-09-30 | 2006-05-18 | Nissin Kogyo Co Ltd | 摩擦材 |
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US3104174A (en) * | 1960-05-09 | 1963-09-17 | Gen Motors Corp | Friction facing and process of manufacture |
US4002592A (en) * | 1975-02-07 | 1977-01-11 | Ferro Corporation | Friction materials containing spinel solid solution as friction modifier |
JP2748406B2 (ja) * | 1988-06-03 | 1998-05-06 | 三菱瓦斯化学株式会社 | ディスクブレーキ・パッド. |
JPH06184524A (ja) * | 1992-12-18 | 1994-07-05 | Hitachi Chem Co Ltd | 摩擦材組成物 |
JPH10220507A (ja) * | 1997-02-07 | 1998-08-21 | Sutaaraito Kogyo Kk | 摩擦用ライニング材 |
JP6247079B2 (ja) | 2013-11-12 | 2017-12-13 | 曙ブレーキ工業株式会社 | 摩擦材 |
JP6764216B2 (ja) * | 2015-07-22 | 2020-09-30 | 日清紡ブレーキ株式会社 | 摩擦材 |
JP6301997B2 (ja) * | 2016-04-19 | 2018-03-28 | 日清紡ブレーキ株式会社 | 摩擦材 |
JP7064947B2 (ja) | 2017-09-15 | 2022-05-11 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | 電子投票システム、及び、制御方法 |
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EP3943570A4 (en) | 2023-03-08 |
EP3943570A1 (en) | 2022-01-26 |
WO2020189648A1 (ja) | 2020-09-24 |
CN113614197A (zh) | 2021-11-05 |
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