JP5596952B2 - 乾式摩擦材 - Google Patents
乾式摩擦材 Download PDFInfo
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- JP5596952B2 JP5596952B2 JP2009219944A JP2009219944A JP5596952B2 JP 5596952 B2 JP5596952 B2 JP 5596952B2 JP 2009219944 A JP2009219944 A JP 2009219944A JP 2009219944 A JP2009219944 A JP 2009219944A JP 5596952 B2 JP5596952 B2 JP 5596952B2
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- friction material
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- friction
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- 239000002783 friction material Substances 0.000 title claims description 55
- 239000002245 particle Substances 0.000 claims description 38
- 239000011347 resin Substances 0.000 claims description 21
- 229920005989 resin Polymers 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 19
- 239000011230 binding agent Substances 0.000 claims description 13
- 239000000835 fiber Substances 0.000 claims description 10
- 239000003607 modifier Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 229910044991 metal oxide Inorganic materials 0.000 claims description 4
- 150000004706 metal oxides Chemical class 0.000 claims description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 24
- -1 pt-butylphenol Chemical compound 0.000 description 24
- 230000001588 bifunctional effect Effects 0.000 description 16
- 239000000047 product Substances 0.000 description 16
- 238000006482 condensation reaction Methods 0.000 description 10
- PLIKAWJENQZMHA-UHFFFAOYSA-N 4-aminophenol Chemical compound NC1=CC=C(O)C=C1 PLIKAWJENQZMHA-UHFFFAOYSA-N 0.000 description 8
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 8
- 235000019256 formaldehyde Nutrition 0.000 description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 7
- 125000004432 carbon atom Chemical group C* 0.000 description 7
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 7
- 239000005011 phenolic resin Substances 0.000 description 7
- 230000009257 reactivity Effects 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 6
- 125000003545 alkoxy group Chemical group 0.000 description 6
- 125000000217 alkyl group Chemical group 0.000 description 6
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 6
- PXKLMJQFEQBVLD-UHFFFAOYSA-N bisphenol F Chemical compound C1=CC(O)=CC=C1CC1=CC=C(O)C=C1 PXKLMJQFEQBVLD-UHFFFAOYSA-N 0.000 description 6
- DZGWFCGJZKJUFP-UHFFFAOYSA-N tyramine Chemical compound NCCC1=CC=C(O)C=C1 DZGWFCGJZKJUFP-UHFFFAOYSA-N 0.000 description 6
- 150000001299 aldehydes Chemical class 0.000 description 5
- 239000007795 chemical reaction product Substances 0.000 description 5
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 5
- 150000002989 phenols Chemical class 0.000 description 5
- RQJDUEKERVZLLU-UHFFFAOYSA-N 4-Hydroxybenzylamine Chemical compound NCC1=CC=C(O)C=C1 RQJDUEKERVZLLU-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 125000003118 aryl group Chemical group 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 229930040373 Paraformaldehyde Natural products 0.000 description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 3
- 125000003277 amino group Chemical group 0.000 description 3
- 125000004103 aminoalkyl group Chemical group 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 239000012784 inorganic fiber Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 125000000654 isopropylidene group Chemical group C(C)(C)=* 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229920002866 paraformaldehyde Polymers 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- BGJSXRVXTHVRSN-UHFFFAOYSA-N 1,3,5-trioxane Chemical compound C1OCOCO1 BGJSXRVXTHVRSN-UHFFFAOYSA-N 0.000 description 2
- CDAWCLOXVUBKRW-UHFFFAOYSA-N 2-aminophenol Chemical class NC1=CC=CC=C1O CDAWCLOXVUBKRW-UHFFFAOYSA-N 0.000 description 2
- YBRVSVVVWCFQMG-UHFFFAOYSA-N 4,4'-diaminodiphenylmethane Chemical compound C1=CC(N)=CC=C1CC1=CC=C(N)C=C1 YBRVSVVVWCFQMG-UHFFFAOYSA-N 0.000 description 2
- SXJQUUPSLJTKKT-UHFFFAOYSA-N 4-amino-3-methoxyphenol Chemical compound COC1=CC(O)=CC=C1N SXJQUUPSLJTKKT-UHFFFAOYSA-N 0.000 description 2
- HGINCPLSRVDWNT-UHFFFAOYSA-N Acrolein Chemical compound C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 description 2
- 244000226021 Anacardium occidentale Species 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 2
- ZTQSAGDEMFDKMZ-UHFFFAOYSA-N Butyraldehyde Chemical compound CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 description 2
- 0 CC(*)(*)*N1COc2ccc(*)cc2C1 Chemical compound CC(*)(*)*N1COc2ccc(*)cc2C1 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000004760 aramid Substances 0.000 description 2
- 229920003235 aromatic polyamide Polymers 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 235000020226 cashew nut Nutrition 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- RLSSMJSEOOYNOY-UHFFFAOYSA-N m-cresol Chemical compound CC1=CC=CC(O)=C1 RLSSMJSEOOYNOY-UHFFFAOYSA-N 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 229920003986 novolac Polymers 0.000 description 2
- QWVGKYWNOKOFNN-UHFFFAOYSA-N o-cresol Chemical compound CC1=CC=CC=C1O QWVGKYWNOKOFNN-UHFFFAOYSA-N 0.000 description 2
- IWDCLRJOBJJRNH-UHFFFAOYSA-N p-cresol Chemical compound CC1=CC=C(O)C=C1 IWDCLRJOBJJRNH-UHFFFAOYSA-N 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- 125000003258 trimethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])[*:1] 0.000 description 2
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 2
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 description 1
- RIOAQSIIMGNKRX-UHFFFAOYSA-N 2-(2-propoxyphenyl)ethanamine Chemical compound CCCOC1=CC=CC=C1CCN RIOAQSIIMGNKRX-UHFFFAOYSA-N 0.000 description 1
- LBLYYCQCTBFVLH-UHFFFAOYSA-N 2-Methylbenzenesulfonic acid Chemical compound CC1=CC=CC=C1S(O)(=O)=O LBLYYCQCTBFVLH-UHFFFAOYSA-N 0.000 description 1
- QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical compound CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 description 1
- DBVSTEYAXWVDCL-UHFFFAOYSA-N 4-(2-aminoethyl)-3-ethoxyphenol Chemical compound CCOC1=CC(O)=CC=C1CCN DBVSTEYAXWVDCL-UHFFFAOYSA-N 0.000 description 1
- YUISJWGACVLJGL-UHFFFAOYSA-N 4-(2-aminoethyl)-3-ethylphenol Chemical compound CCC1=CC(O)=CC=C1CCN YUISJWGACVLJGL-UHFFFAOYSA-N 0.000 description 1
- PCRGOGUXNSLMNX-UHFFFAOYSA-N 4-(2-aminoethyl)-3-methoxyphenol Chemical compound COC1=CC(O)=CC=C1CCN PCRGOGUXNSLMNX-UHFFFAOYSA-N 0.000 description 1
- OHXMNNQSBTXLGP-UHFFFAOYSA-N 4-(2-aminoethyl)-3-methylphenol Chemical compound CC1=CC(O)=CC=C1CCN OHXMNNQSBTXLGP-UHFFFAOYSA-N 0.000 description 1
- HTRFFXJJVFBBNP-UHFFFAOYSA-N 4-(2-aminoethyl)-3-propan-2-yloxyphenol Chemical compound CC(C)OC1=CC(O)=CC=C1CCN HTRFFXJJVFBBNP-UHFFFAOYSA-N 0.000 description 1
- QPYAHVSBSQWDQU-UHFFFAOYSA-N 4-(2-aminoethyl)-3-propan-2-ylphenol Chemical compound CC(C)C1=CC(O)=CC=C1CCN QPYAHVSBSQWDQU-UHFFFAOYSA-N 0.000 description 1
- ICSIMAXSWPMQPR-UHFFFAOYSA-N 4-(2-aminoethyl)-3-propylphenol Chemical compound CCCC1=CC(O)=CC=C1CCN ICSIMAXSWPMQPR-UHFFFAOYSA-N 0.000 description 1
- XDNJQEONHSQMRE-UHFFFAOYSA-N 4-(aminomethyl)-3-ethoxyphenol Chemical compound CCOC1=CC(O)=CC=C1CN XDNJQEONHSQMRE-UHFFFAOYSA-N 0.000 description 1
- JOQKFFKHEIZCDL-UHFFFAOYSA-N 4-(aminomethyl)-3-ethylphenol Chemical compound CCC1=CC(O)=CC=C1CN JOQKFFKHEIZCDL-UHFFFAOYSA-N 0.000 description 1
- ZCSZQQJJMJQAQH-UHFFFAOYSA-N 4-(aminomethyl)-3-methylphenol Chemical compound CC1=CC(O)=CC=C1CN ZCSZQQJJMJQAQH-UHFFFAOYSA-N 0.000 description 1
- RYLSSJTXQISRDB-UHFFFAOYSA-N 4-(aminomethyl)-3-propan-2-yloxyphenol Chemical compound CC(C)OC1=CC(O)=CC=C1CN RYLSSJTXQISRDB-UHFFFAOYSA-N 0.000 description 1
- KWOVANDMLJBAIY-UHFFFAOYSA-N 4-(aminomethyl)-3-propan-2-ylphenol Chemical compound CC(C)C1=CC(O)=CC=C1CN KWOVANDMLJBAIY-UHFFFAOYSA-N 0.000 description 1
- PPLBHTAMKQSECR-UHFFFAOYSA-N 4-(aminomethyl)-3-propoxyphenol Chemical compound CCCOC1=CC(O)=CC=C1CN PPLBHTAMKQSECR-UHFFFAOYSA-N 0.000 description 1
- QHJVUWKPVRKAHH-UHFFFAOYSA-N 4-(aminomethyl)-3-propylphenol Chemical compound CCCC1=CC(O)=CC=C1CN QHJVUWKPVRKAHH-UHFFFAOYSA-N 0.000 description 1
- ZYEDGEXYGKWJPB-UHFFFAOYSA-N 4-[2-(4-aminophenyl)propan-2-yl]aniline Chemical compound C=1C=C(N)C=CC=1C(C)(C)C1=CC=C(N)C=C1 ZYEDGEXYGKWJPB-UHFFFAOYSA-N 0.000 description 1
- CONGTKLIGJRDNT-UHFFFAOYSA-N 4-amino-3-ethoxyphenol Chemical compound CCOC1=CC(O)=CC=C1N CONGTKLIGJRDNT-UHFFFAOYSA-N 0.000 description 1
- ZZENTDXPBYLGKF-UHFFFAOYSA-N 4-amino-3-ethylphenol Chemical compound CCC1=CC(O)=CC=C1N ZZENTDXPBYLGKF-UHFFFAOYSA-N 0.000 description 1
- FYQANNGUHADQIM-UHFFFAOYSA-N 4-amino-3-propan-2-yloxyphenol Chemical compound CC(C)OC1=CC(O)=CC=C1N FYQANNGUHADQIM-UHFFFAOYSA-N 0.000 description 1
- HWYSAVAYUJTSLU-UHFFFAOYSA-N 4-amino-3-propan-2-ylphenol Chemical compound CC(C)C1=CC(O)=CC=C1N HWYSAVAYUJTSLU-UHFFFAOYSA-N 0.000 description 1
- IXQKJALMCUIXGF-UHFFFAOYSA-N 4-amino-3-propoxyphenol Chemical compound CCCOC1=CC(O)=CC=C1N IXQKJALMCUIXGF-UHFFFAOYSA-N 0.000 description 1
- FNSWIZFPPREPQL-UHFFFAOYSA-N 4-amino-3-propylphenol Chemical compound CCCC1=CC(O)=CC=C1N FNSWIZFPPREPQL-UHFFFAOYSA-N 0.000 description 1
- QGNGOGOOPUYKMC-UHFFFAOYSA-N 4-hydroxy-6-methylaniline Chemical compound CC1=CC(O)=CC=C1N QGNGOGOOPUYKMC-UHFFFAOYSA-N 0.000 description 1
- NTDQQZYCCIDJRK-UHFFFAOYSA-N 4-octylphenol Chemical compound CCCCCCCCC1=CC=C(O)C=C1 NTDQQZYCCIDJRK-UHFFFAOYSA-N 0.000 description 1
- 229920002972 Acrylic fiber Polymers 0.000 description 1
- 229910000906 Bronze Inorganic materials 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
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- 239000004640 Melamine resin Substances 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910000410 antimony oxide Inorganic materials 0.000 description 1
- YXVFYQXJAXKLAK-UHFFFAOYSA-N biphenyl-4-ol Chemical compound C1=CC(O)=CC=C1C1=CC=CC=C1 YXVFYQXJAXKLAK-UHFFFAOYSA-N 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 229930003836 cresol Natural products 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 125000002510 isobutoxy group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])O* 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000003253 isopropoxy group Chemical group [H]C([H])([H])C([H])(O*)C([H])([H])[H] 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 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
- 229910052863 mullite Inorganic materials 0.000 description 1
- 125000006606 n-butoxy group Chemical group 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000003506 n-propoxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])O* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000012766 organic filler Substances 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229920003987 resole Polymers 0.000 description 1
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 1
- 229960001755 resorcinol Drugs 0.000 description 1
- 125000005920 sec-butoxy group Chemical group 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000004213 tert-butoxy group Chemical group [H]C([H])([H])C(O*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
- HGBOYTHUEUWSSQ-UHFFFAOYSA-N valeric aldehyde Natural products CCCCC=O HGBOYTHUEUWSSQ-UHFFFAOYSA-N 0.000 description 1
- 150000003739 xylenols Chemical class 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
- Braking Arrangements (AREA)
Description
(1) 繊維基材、結合材および摩擦調整材を含む乾式摩擦材において、摩擦材が中空粒子の造粒物を含むことを特徴とする乾式摩擦材、
(2) 中空粒子の造粒物が1〜300μmの平均粒径を有する、上記(1)に記載の乾式摩擦材、
(3) 中空粒子が金属または金属酸化物を主成分とするものである、上記(1)または(2)に記載の乾式摩擦材、および
(4) 中空粒子の造粒物が、中空粒子をポリベンゾオキサジン樹脂を含む造粒用結合材により造粒してなるものである、上記(1)〜(3)のいずれかに記載の乾式摩擦材、
を提供するものである。
本発明の乾式摩擦材において、繊維基材としては、乾式摩擦材用に従来用いられている任意の繊維基材を用いることができ、その具体例として、鉄、ステンレス鋼、銅、青銅、真ちゅうなどの金属繊維、生体溶解性無機繊維、ガラス繊維、カーボン繊維などの無機繊維、アラミドパルプ、セルロース繊維、アクリル繊維などの有機繊維を挙げることができる。
(a)ポリベンゾオキサジン樹脂Iは、アミノフェノール化合物とホルムアルデヒド類との縮合反応物である。
メチレン基、エチレン基又はトリメチレン基を示し、mは0〜3の整数である。)
で表される化合物を挙げることができる。
また、前記アミノフェノール化合物を2種以上を用いた場合、例えばp−アミノフェノールと4−ヒドロキシフェネチルアミンとを用いた場合、下記一般式(3)で表される構造のポリベンゾオキサジン樹脂I−bが得られる。
造粒用結合材においては、前記ポリベンゾオキサジン樹脂Iを1種用いてもよく、2種以上組み合わせて用いてもよい。
(b)ポリベンゾオキサジン樹脂IIは、2官能性フェノール化合物と2官能性アミン化合物とホルムアルデヒド類との縮合反応物である。
縮合反応に用いる2官能性アミン化合物は、耐熱性の観点から、芳香族系のものが好ましい。
(1)中空粒子の造粒物の製造
中空粒子(平均粒径5〜150μm)として、アルミナシリケートバルーン(日本フィライト(株)製フィライト)を、造粒用結合材として、ポリベンゾオキサジン樹脂(p−アミノフェノールとパラホルムアルデヒドとの縮合反応物)を、溶媒として、テトラヒドロフランを用いた。
繊維基材として有機繊維であるアラミドパルプおよび無機繊維であるチタン酸カリウムを、結合材として、フェノール樹脂を、摩擦調整材として、上記(1)で得られた中空粒子のアルミナシリケートバルーンの造粒物、ケイ酸ジルコニウム、硫酸バリウムおよびカシューダストを用い、これらを表1に示す配合量(質量部)で混合した後、得られた混合物を予備成形型に投入し、常温、30MPaで圧縮成形して、予備成形を行った。
(イ)温度別摩耗試験
得られた摩擦材からテストピースを作製し、下記の条件で摩耗試験を行い、平均摩擦係数(μ)と相手材であるロータ摩耗量(μm)を求めた。
記
相手材:FC250(φ90)
摩擦温度(相手材温度):100℃、200℃、300℃、400℃
摩擦回数:500回
初速度:15m/sec
減速度:2.94m/s2
得られた摩擦材からテストピースを作製し、JASO−C406−82に準拠してフェード試験を行い、第1フェードの最小摩擦係数(μ)を求めた。
得られた摩擦材を実車に装着し、JASO−C406に準拠して摺り合せを行い、下記の条件を組み合せた試験コードでブレーキ鳴き試験を行い、ブレーキ鳴きの発生の有無を調べた。
記
車速:5〜60km/h
減速度:0.49〜7.84m/s2
摩擦温度:20〜200℃
絶対湿度:5〜15g/m3
摩擦材の評価結果を表2に示す。
表1に示すように、実施例1において摩擦材の製造に用いられた中空粒子のアルミナシリケートバルーンの造粒物9質量部を用いずに、実施例1で用いられた硫酸バリウム27質量部を36質量部にした以外は実施例1と同様にして摩擦材を製造し、実施例1と同様に評価試験を行った。結果は表2に示す。
Claims (4)
- 繊維基材、結合材および摩擦調整材を含む乾式摩擦材において、摩擦材が中空粒子の造粒物を含むことを特徴とする乾式摩擦材。
- 中空粒子の造粒物が1〜300μmの平均粒径を有する、請求項1に記載の乾式摩擦材。
- 中空粒子が金属または金属酸化物を主成分とするものである、請求項1または2に記載の乾式摩擦材。
- 中空粒子の造粒物が、中空粒子をポリベンゾオキサジン樹脂を含む造粒用結合材により造粒してなるものである、請求項1〜3のいずれかに記載の乾式摩擦材。
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