WO2022210795A1 - 熱処理油 - Google Patents
熱処理油 Download PDFInfo
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- WO2022210795A1 WO2022210795A1 PCT/JP2022/015710 JP2022015710W WO2022210795A1 WO 2022210795 A1 WO2022210795 A1 WO 2022210795A1 JP 2022015710 W JP2022015710 W JP 2022015710W WO 2022210795 A1 WO2022210795 A1 WO 2022210795A1
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- WIPO (PCT)
- Prior art keywords
- oil
- heat
- mass
- mineral oil
- treated
- Prior art date
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- 238000010438 heat treatment Methods 0.000 title abstract description 21
- 239000003921 oil Substances 0.000 claims abstract description 121
- 239000002480 mineral oil Substances 0.000 claims abstract description 92
- 235000010446 mineral oil Nutrition 0.000 claims abstract description 86
- 239000002199 base oil Substances 0.000 claims abstract description 38
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 36
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 36
- 239000011593 sulfur Substances 0.000 claims abstract description 36
- 238000010791 quenching Methods 0.000 claims description 23
- 230000000171 quenching effect Effects 0.000 claims description 23
- 229910052751 metal Inorganic materials 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000004458 analytical method Methods 0.000 claims description 5
- 235000019463 artificial additive Nutrition 0.000 claims description 5
- 238000011282 treatment Methods 0.000 claims description 4
- 238000013329 compounding Methods 0.000 claims description 2
- 239000002932 luster Substances 0.000 abstract description 18
- 239000010779 crude oil Substances 0.000 description 21
- 238000011156 evaluation Methods 0.000 description 20
- 229910052799 carbon Inorganic materials 0.000 description 18
- 238000005292 vacuum distillation Methods 0.000 description 17
- 239000003963 antioxidant agent Substances 0.000 description 15
- 239000010687 lubricating oil Substances 0.000 description 14
- 239000000203 mixture Substances 0.000 description 14
- 238000012360 testing method Methods 0.000 description 14
- 238000004040 coloring Methods 0.000 description 13
- 229910000831 Steel Inorganic materials 0.000 description 12
- 238000004821 distillation Methods 0.000 description 12
- 239000002904 solvent Substances 0.000 description 12
- 239000010959 steel Substances 0.000 description 12
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 11
- 238000000638 solvent extraction Methods 0.000 description 11
- -1 alkaline earth metal salt Chemical class 0.000 description 10
- 125000003118 aryl group Chemical group 0.000 description 10
- 239000002270 dispersing agent Substances 0.000 description 10
- 239000007769 metal material Substances 0.000 description 9
- 238000004517 catalytic hydrocracking Methods 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 7
- 239000000654 additive Substances 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- 239000003599 detergent Substances 0.000 description 5
- RUFPHBVGCFYCNW-UHFFFAOYSA-N 1-naphthylamine Chemical compound C1=CC=C2C(N)=CC=CC2=C1 RUFPHBVGCFYCNW-UHFFFAOYSA-N 0.000 description 4
- 230000003078 antioxidant effect Effects 0.000 description 4
- 239000002585 base Substances 0.000 description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 4
- 235000014113 dietary fatty acids Nutrition 0.000 description 4
- 239000000194 fatty acid Substances 0.000 description 4
- 229930195729 fatty acid Natural products 0.000 description 4
- 150000004665 fatty acids Chemical class 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- 150000003464 sulfur compounds Chemical class 0.000 description 4
- 239000004711 α-olefin Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 229920000098 polyolefin Polymers 0.000 description 3
- 102200082816 rs34868397 Human genes 0.000 description 3
- AFFLGGQVNFXPEV-UHFFFAOYSA-N 1-decene Chemical compound CCCCCCCCC=C AFFLGGQVNFXPEV-UHFFFAOYSA-N 0.000 description 2
- CRSBERNSMYQZNG-UHFFFAOYSA-N 1-dodecene Chemical compound CCCCCCCCCCC=C CRSBERNSMYQZNG-UHFFFAOYSA-N 0.000 description 2
- GQEZCXVZFLOKMC-UHFFFAOYSA-N 1-hexadecene Chemical compound CCCCCCCCCCCCCCC=C GQEZCXVZFLOKMC-UHFFFAOYSA-N 0.000 description 2
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 2
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 2
- HFDVRLIODXPAHB-UHFFFAOYSA-N 1-tetradecene Chemical compound CCCCCCCCCCCCC=C HFDVRLIODXPAHB-UHFFFAOYSA-N 0.000 description 2
- BVUXDWXKPROUDO-UHFFFAOYSA-N 2,6-di-tert-butyl-4-ethylphenol Chemical compound CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 BVUXDWXKPROUDO-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 2
- 229910000617 Mangalloy Inorganic materials 0.000 description 2
- XQVWYOYUZDUNRW-UHFFFAOYSA-N N-Phenyl-1-naphthylamine Chemical class C=1C=CC2=CC=CC=C2C=1NC1=CC=CC=C1 XQVWYOYUZDUNRW-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 150000003939 benzylamines Chemical class 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 238000005227 gel permeation chromatography Methods 0.000 description 2
- 239000010732 heat treating oil Substances 0.000 description 2
- 238000005984 hydrogenation reaction Methods 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- CCCMONHAUSKTEQ-UHFFFAOYSA-N octadec-1-ene Chemical compound CCCCCCCCCCCCCCCCC=C CCCMONHAUSKTEQ-UHFFFAOYSA-N 0.000 description 2
- 239000002530 phenolic antioxidant Substances 0.000 description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 2
- 150000003457 sulfones Chemical class 0.000 description 2
- 150000003568 thioethers Chemical class 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- KGRVJHAUYBGFFP-UHFFFAOYSA-N 2,2'-Methylenebis(4-methyl-6-tert-butylphenol) Chemical compound CC(C)(C)C1=CC(C)=CC(CC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O KGRVJHAUYBGFFP-UHFFFAOYSA-N 0.000 description 1
- PFEFOYRSMXVNEL-UHFFFAOYSA-N 2,4,6-tritert-butylphenol Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 PFEFOYRSMXVNEL-UHFFFAOYSA-N 0.000 description 1
- OPLCSTZDXXUYDU-UHFFFAOYSA-N 2,4-dimethyl-6-tert-butylphenol Chemical compound CC1=CC(C)=C(O)C(C(C)(C)C)=C1 OPLCSTZDXXUYDU-UHFFFAOYSA-N 0.000 description 1
- HNURKXXMYARGAY-UHFFFAOYSA-N 2,6-Di-tert-butyl-4-hydroxymethylphenol Chemical compound CC(C)(C)C1=CC(CO)=CC(C(C)(C)C)=C1O HNURKXXMYARGAY-UHFFFAOYSA-N 0.000 description 1
- DKCPKDPYUFEZCP-UHFFFAOYSA-N 2,6-di-tert-butylphenol Chemical compound CC(C)(C)C1=CC=CC(C(C)(C)C)=C1O DKCPKDPYUFEZCP-UHFFFAOYSA-N 0.000 description 1
- GSOYMOAPJZYXTB-UHFFFAOYSA-N 2,6-ditert-butyl-4-(3,5-ditert-butyl-4-hydroxyphenyl)phenol Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(C=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 GSOYMOAPJZYXTB-UHFFFAOYSA-N 0.000 description 1
- VMZVBRIIHDRYGK-UHFFFAOYSA-N 2,6-ditert-butyl-4-[(dimethylamino)methyl]phenol Chemical compound CN(C)CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 VMZVBRIIHDRYGK-UHFFFAOYSA-N 0.000 description 1
- QHPKIUDQDCWRKO-UHFFFAOYSA-N 2,6-ditert-butyl-4-[2-(3,5-ditert-butyl-4-hydroxyphenyl)propan-2-yl]phenol Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(C(C)(C)C=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 QHPKIUDQDCWRKO-UHFFFAOYSA-N 0.000 description 1
- HXIQYSLFEXIOAV-UHFFFAOYSA-N 2-tert-butyl-4-(5-tert-butyl-4-hydroxy-2-methylphenyl)sulfanyl-5-methylphenol Chemical compound CC1=CC(O)=C(C(C)(C)C)C=C1SC1=CC(C(C)(C)C)=C(O)C=C1C HXIQYSLFEXIOAV-UHFFFAOYSA-N 0.000 description 1
- PFANXOISJYKQRP-UHFFFAOYSA-N 2-tert-butyl-4-[1-(5-tert-butyl-4-hydroxy-2-methylphenyl)butyl]-5-methylphenol Chemical compound C=1C(C(C)(C)C)=C(O)C=C(C)C=1C(CCC)C1=CC(C(C)(C)C)=C(O)C=C1C PFANXOISJYKQRP-UHFFFAOYSA-N 0.000 description 1
- MQWCQFCZUNBTCM-UHFFFAOYSA-N 2-tert-butyl-6-(3-tert-butyl-2-hydroxy-5-methylphenyl)sulfanyl-4-methylphenol Chemical compound CC(C)(C)C1=CC(C)=CC(SC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O MQWCQFCZUNBTCM-UHFFFAOYSA-N 0.000 description 1
- GPNYZBKIGXGYNU-UHFFFAOYSA-N 2-tert-butyl-6-[(3-tert-butyl-5-ethyl-2-hydroxyphenyl)methyl]-4-ethylphenol Chemical compound CC(C)(C)C1=CC(CC)=CC(CC=2C(=C(C=C(CC)C=2)C(C)(C)C)O)=C1O GPNYZBKIGXGYNU-UHFFFAOYSA-N 0.000 description 1
- BKZXZGWHTRCFPX-UHFFFAOYSA-N 2-tert-butyl-6-methylphenol Chemical compound CC1=CC=CC(C(C)(C)C)=C1O BKZXZGWHTRCFPX-UHFFFAOYSA-N 0.000 description 1
- MDWVSAYEQPLWMX-UHFFFAOYSA-N 4,4'-Methylenebis(2,6-di-tert-butylphenol) Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 MDWVSAYEQPLWMX-UHFFFAOYSA-N 0.000 description 1
- SOASHAVJCWKTKL-UHFFFAOYSA-N 4-methyl-2,6-bis(2-methylbutan-2-yl)phenol Chemical compound CCC(C)(C)C1=CC(C)=CC(C(C)(C)CC)=C1O SOASHAVJCWKTKL-UHFFFAOYSA-N 0.000 description 1
- FCQAFXHLHBGGSK-UHFFFAOYSA-N 4-nonyl-n-(4-nonylphenyl)aniline Chemical compound C1=CC(CCCCCCCCC)=CC=C1NC1=CC=C(CCCCCCCCC)C=C1 FCQAFXHLHBGGSK-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
- DWLMIYNUGWGKQW-UHFFFAOYSA-N C(CCC)C=1C(=C(C(=C(C=1)NC1=CC=CC=C1)CCCC)CCCC)CCCC Chemical compound C(CCC)C=1C(=C(C(=C(C=1)NC1=CC=CC=C1)CCCC)CCCC)CCCC DWLMIYNUGWGKQW-UHFFFAOYSA-N 0.000 description 1
- WFHKDFKMMXNXBE-UHFFFAOYSA-N C(CCCCC)C=1C(=C(C(=C(C=1)NC1=CC=CC=C1)CCCCCC)CCCCCC)CCCCCC Chemical compound C(CCCCC)C=1C(=C(C(=C(C=1)NC1=CC=CC=C1)CCCCCC)CCCCCC)CCCCCC WFHKDFKMMXNXBE-UHFFFAOYSA-N 0.000 description 1
- QZHGURFFNXQTML-UHFFFAOYSA-N C(CCCCCCC)C=1C(=C(C(=C(C=1)NC1=CC=CC=C1)CCCCCCCC)CCCCCCCC)CCCCCCCC Chemical compound C(CCCCCCC)C=1C(=C(C(=C(C=1)NC1=CC=CC=C1)CCCCCCCC)CCCCCCCC)CCCCCCCC QZHGURFFNXQTML-UHFFFAOYSA-N 0.000 description 1
- YNLGQWRNZWQQMD-UHFFFAOYSA-N C(CCCCCCCC)C=1C(=C(C(=C(C=1)NC1=CC=CC=C1)CCCCCCCCC)CCCCCCCCC)CCCCCCCCC Chemical compound C(CCCCCCCC)C=1C(=C(C(=C(C=1)NC1=CC=CC=C1)CCCCCCCCC)CCCCCCCCC)CCCCCCCCC YNLGQWRNZWQQMD-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 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
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- QAPVYZRWKDXNDK-UHFFFAOYSA-N P,P-Dioctyldiphenylamine Chemical compound C1=CC(CCCCCCCC)=CC=C1NC1=CC=C(CCCCCCCC)C=C1 QAPVYZRWKDXNDK-UHFFFAOYSA-N 0.000 description 1
- 229920002367 Polyisobutene Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 235000010354 butylated hydroxytoluene Nutrition 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 150000001733 carboxylic acid esters Chemical class 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- VNTLIPZTSJSULJ-UHFFFAOYSA-N chromium molybdenum Chemical compound [Cr].[Mo] VNTLIPZTSJSULJ-UHFFFAOYSA-N 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 229940069096 dodecene Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- 238000002795 fluorescence method Methods 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- ZAUUZASCMSWKGX-UHFFFAOYSA-N manganese nickel Chemical compound [Mn].[Ni] ZAUUZASCMSWKGX-UHFFFAOYSA-N 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- XUMOVISJJBHALN-UHFFFAOYSA-N n-butyl-n-phenylnaphthalen-1-amine Chemical compound C=1C=CC2=CC=CC=C2C=1N(CCCC)C1=CC=CC=C1 XUMOVISJJBHALN-UHFFFAOYSA-N 0.000 description 1
- MKEUPRYKXJEVEJ-UHFFFAOYSA-N n-hexyl-n-phenylnaphthalen-1-amine Chemical compound C=1C=CC2=CC=CC=C2C=1N(CCCCCC)C1=CC=CC=C1 MKEUPRYKXJEVEJ-UHFFFAOYSA-N 0.000 description 1
- LVZUNTGFCXNQAF-UHFFFAOYSA-N n-nonyl-n-phenylaniline Chemical compound C=1C=CC=CC=1N(CCCCCCCCC)C1=CC=CC=C1 LVZUNTGFCXNQAF-UHFFFAOYSA-N 0.000 description 1
- UMKFCWWZAONEEQ-UHFFFAOYSA-N n-nonyl-n-phenylnaphthalen-1-amine Chemical compound C=1C=CC2=CC=CC=C2C=1N(CCCCCCCCC)C1=CC=CC=C1 UMKFCWWZAONEEQ-UHFFFAOYSA-N 0.000 description 1
- RQVGZVZFVNMBGS-UHFFFAOYSA-N n-octyl-n-phenylaniline Chemical compound C=1C=CC=CC=1N(CCCCCCCC)C1=CC=CC=C1 RQVGZVZFVNMBGS-UHFFFAOYSA-N 0.000 description 1
- ZLNMGXQGGUZIJL-UHFFFAOYSA-N n-octyl-n-phenylnaphthalen-1-amine Chemical compound C=1C=CC2=CC=CC=C2C=1N(CCCCCCCC)C1=CC=CC=C1 ZLNMGXQGGUZIJL-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 235000014593 oils and fats Nutrition 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 150000003902 salicylic acid esters Chemical class 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 150000003900 succinic acid esters Chemical class 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000004876 x-ray fluorescence Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M101/00—Lubricating compositions characterised by the base-material being a mineral or fatty oil
- C10M101/02—Petroleum fractions
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
- C21D1/58—Oils
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/20—Metal working
Definitions
- the present invention relates to heat-treated oil.
- Metal materials such as steel are sometimes subjected to heat treatments such as quenching, tempering, annealing, and normalizing for the purpose of improving their properties.
- quenching is a process in which a heated metal material is immersed in a coolant to transform into a predetermined quenched structure. Quenching makes the metal material very hard and improves its mechanical strength.
- a heat-treated oil composition is widely used as a coolant for quenching.
- the heat treatment oil composition is required to have the performance of maintaining the surface gloss of the metal material before quenching even after quenching, from the viewpoint of increasing the commercial value of the metal material after quenching.
- the heat treatment oil composition is required to have the ability to improve the luster of the metal material after quenching.
- Patent Document 1 At least one of mineral oil and synthetic oil having a sulfur content of 300 mass ppm or less and at least one of sulfur and a sulfur compound are blended to reduce the total sulfur content from 3 mass ppm to 1000 mass ppm. and an alkaline earth metal salt of sulfonic acid, an alkaline earth metal salt of phenol, an alkenylsuccinic acid derivative, a fatty acid, a fatty acid derivative, a phenolic antioxidant, and an amine antioxidant from the group consisting of It has been proposed to improve the luster of metal materials after quenching by using a heat-treating oil composition containing at least one of the selected elements.
- the present invention has been made in view of the above problems, and an object of the present invention is to provide a heat-treated oil which is excellent in thermal stability and capable of maintaining luster over a long period of time.
- the mineral oil (A) has a 40° C. kinematic viscosity of 100 to 600 mm 2 /s and a sulfur content of 0.10 to 0.20% by mass
- a method for producing a metal member that performs high-temperature quenching treatment including a cooling step of cooling the heated metal member by immersing it in the heat-treated oil of [1], the oil temperature of which is maintained at 120° C. or higher.
- the heat-treated oil of the present embodiment is a heat-treated oil containing a base oil containing mineral oil (A),
- the mineral oil (A) has a 40° C. kinematic viscosity of 100 to 600 mm 2 /s and a sulfur content of 0.10 to 0.20% by mass,
- the content of the mineral oil (A) is more than 0.5% by mass based on the total amount of the base oil.
- the heat-treated oil of the present embodiment contains a base oil.
- the base oil contains at least mineral oil (A), but may further contain mineral oil (B) and other base oil components.
- the total content of mineral oil (A) and mineral oil (B) in the base oil is preferably 80% by mass or more, more preferably 90% by mass or more, and even more preferably 95% by mass or more. , 98% by mass or more, and more preferably consisting of mineral oil (A) alone or mineral oil (A) and mineral oil (B) alone.
- the content of the mineral oil (A) is 0.8 to 99.2% by mass based on the total amount of the base oil, It is preferable that the content of the mineral oil (B) is 0.8 to 99.2% by mass based on the total amount of the base oil.
- the content of the base oil is preferably 80.0% by mass or more, more preferably 85.0% by mass or more, and still more preferably 87.0% by mass, based on the total amount of the heat-treated oil. That's it.
- mineral oil (A) one or more mineral oils conventionally used as base oils for lubricating oils have a kinematic viscosity at 40° C. of 100 to 600 mm 2 /s and a sulfur content of 0.10 to 0.20% by mass can be used.
- Examples of the mineral oil (A) include atmospheric residual oils obtained by atmospheric distillation of crude oils such as paraffinic crude oil, intermediate crude oil, and naphthenic crude oil; Oil output: The distillate is subjected to one refining process such as solvent deasphalting, solvent extraction, hydrofinishing, hydrocracking, advanced hydrocracking, solvent dewaxing, catalytic dewaxing, hydroisomerization dewaxing, etc. Mineral oil etc. obtained by applying the above are mentioned.
- a distillate obtained by further vacuum distillation of an atmospheric residue obtained by atmospheric distillation of a naphthenic crude oil is preferably used. Those obtained by solvent purification are preferably used.
- a distillate may be subjected to hydrotreating within the range in which the effects of the present invention are exhibited, or may not be subjected to hydrotreating. However, those not subjected to hydrotreating are particularly preferred.
- a mineral oil containing a specific sulfur compound that forms an appropriate sulfide film on the surface of the metal member during heat treatment to improve the luster is obtained. Therefore, it is preferably used in the heat-treated oil of the present embodiment. That is, the mineral oil (A) is obtained by solvent refining the distillate obtained by further vacuum-distilling the atmospheric residual oil obtained by atmospheric distillation of a naphthenic crude oil. Preferably, it is not subjected to various hydrotreatments such as hydrofinishing, hydrocracking, advanced hydrocracking, and hydroisomerization dewaxing.
- the upper limit of the kinematic viscosity of the mineral oil (A) is from the viewpoint of good cooling performance, and the lower limit of the kinematic viscosity is the following range from the viewpoint of keeping the flash point high and suppressing the generation of soot. preferably.
- the 40° C. kinematic viscosity of the mineral oil (A) is required to be 100 mm 2 /s or more, preferably 110 mm 2 /s or more, more preferably 120 mm 2 /s or more, and 600 mm 2 /s or less. 550 mm 2 /s or less is preferable, and 500 mm 2 /s or less is more preferable.
- the upper and lower limits of these numerical ranges can be arbitrarily combined, and specifically, they must be 100 mm 2 /s to 600 mm 2 /s, preferably 110 mm 2 /s to 550 mm 2 /s. , 120 mm 2 /s to 500 mm 2 /s.
- the 100° C. kinematic viscosity of the mineral oil (A) is preferably 3.0 mm 2 /s or more, more preferably 5.0 mm 2 /s or more, still more preferably 7.0 mm 2 /s or more, and 50.0 mm 2 /s or less is preferable, 40.0 mm 2 /s or less is more preferable, and 30.0 mm 2 /s or less is even more preferable.
- the upper and lower limits of these numerical ranges can be arbitrarily combined, and specifically, 3.0 mm 2 /s to 50.0 mm 2 /s is preferable, and 5.0 mm 2 /s to 40.0 mm 2 /s is more preferable, and 7.0 mm 2 /s to 30.0 mm 2 /s is even more preferable.
- the 40° C. kinematic viscosity and the 100° C. kinematic viscosity can be measured according to JIS K 2283:2000.
- the mineral oil (A) preferably has a % CN of 29.0 to 47.0 by ring analysis (ndM method) from the viewpoint of selecting a mineral oil containing the above - mentioned specific sulfur compound. , 30.0 to 45.0, more preferably 32.0 to 43.0.
- the mineral oil ( A ) preferably has a %CA of 5.0 to 25.0, more preferably 8.0 to 22.0, by ring analysis (ndM method). , 11.0 to 20.0 are more preferred.
- ring analysis (ndM method) is performed according to ASTM D 3238-95.
- the content of the mineral oil (A), based on the total amount (100% by mass) of the base oil, must be more than 0.5% by mass, preferably 0.7 to 100% by mass, more preferably 0.8 to 100% by mass, still more preferably 0.9 to 100% by mass.
- the mineral oil (A) used in the present embodiment has a sulfur content of 0.10 to 0.20% by mass based on the total amount of the mineral oil (A). Values measured according to JIS K 2541-7:2013 wavelength dispersive X-ray fluorescence method are shown.
- the sulfur content of mineral oil (A) is preferably 0.11 to 0.17% by mass.
- the base oil may further contain a mineral oil (B) in addition to the mineral oil (A) described above.
- a mineral oil (B) one or more selected from mineral oils conventionally used as base oils for lubricating oils can be used. It must be 100 mass ppm or less. If the sulfur content is more than 100 ppm by mass, the sulfur compounds contained in the mineral oil may sulfurize the surface of the metal member during heat treatment, resulting in discoloration.
- Examples of the mineral oil (B) include atmospheric residual oil obtained by atmospheric distillation of crude oil such as paraffinic crude oil, intermediate crude oil, and naphthenic crude oil; Oil output: The distillate is subjected to one refining process such as solvent deasphalting, solvent extraction, hydrofinishing, hydrocracking, advanced hydrocracking, solvent dewaxing, catalytic dewaxing, hydroisomerization dewaxing, etc. Mineral oil etc. obtained by applying the above are mentioned.
- the base oil may contain base oil components other than the above mineral oil (A) and mineral oil (B).
- Other base oil components are not particularly limited as long as they do not correspond to the mineral oil (A) or mineral oil (B) described above.
- Atmospheric residue obtained by distillation; Distillate oil obtained by vacuum distillation of the atmospheric residue; Solvent deasphalting, solvent extraction, hydrofinishing, hydrocracking, advanced hydrogenation Mineral oils obtained by one or more refining treatments such as cracking, solvent dewaxing, catalytic dewaxing, hydroisomerization dewaxing, etc. can be mentioned, and various synthetic oils can also be used.
- the heat-treated oil of the present embodiment may contain a sulfur-containing synthetic additive, but from the viewpoint of improving the thermal stability of the heat-treated oil and suppressing deterioration of luster due to sludge generation, the content is It is preferably less than 100 ppm by mass, more preferably less than 10 ppm by mass, based on the total amount of the heat-treated oil.
- the above-mentioned sulfur-containing synthetic additives include sulfides and sulfones. Therefore, in the heat-treated oil of the present embodiment, the total content of sulfides and sulfones is less than 100 ppm by mass based on the total amount of the heat-treated oil. It is preferably less than 10 ppm by mass, more preferably less than 10 ppm by mass.
- the heat-treated oil of the present embodiment may further contain additives commonly used in heat-treated oil, if desired.
- additives include, for example, vapor film breakers, gloss improvers, antioxidants, and detergent-dispersants, and one or more selected from these may be used.
- the heat-treated oil of the present embodiment is a heat-treated oil containing, in addition to the above base oil, one or more selected from a vapor film breaker, a brightness improver, an antioxidant, and a detergent-dispersant.
- it may be a heat-treated oil consisting only of the above base oil and one or more additives selected from vapor film breakers, gloss improvers, antioxidants, and detergent-dispersants.
- vapor film breaking agent examples include ethylene- ⁇ -olefin copolymers (where the number of carbon atoms in the ⁇ -olefin is 3 to 20) such as ethylene-propylene copolymers; hydrogenation of the ethylene- ⁇ -olefin copolymers; substance; ⁇ -olefin polymer having 5 to 20 carbon atoms such as 1-hexene, 1-octene, 1-decene, 1-dodecene, 1-tetradecene, 1-hexadecene, and 1-octadecene; C3 or 4 olefin polymers such as polypropylene, polybutene, and polyisobutylene; Hydrogenated products of the olefin polymers; Polymer compounds such as polymethacrylates, polyacrylates, polystyrenes, and petroleum resins; Asphalt etc.
- ethylene- ⁇ -olefin copolymers such as ethylene-propylene copolymers
- the vapor film breaking agent preferably has a number average molecular weight (Mn) of usually 800 to 100,000.
- the number average molecular weight (Mn) of the vapor film breaking agent is a polystyrene-equivalent value measured using gel permeation chromatography (GPC).
- the content of the vapor film breaking agent is preferably 0.5% by mass to 18% by mass, more preferably 1.0% by mass to 16% by mass, and still more preferably 2.0% by mass, based on the total amount of the heat-treated oil. 15% by mass.
- luster enhancer examples include oils and fats, fatty acids, alkylsuccinic acids such as alkylsuccinimide, alkenylsuccinic acids such as alkenylsuccinimide, and substituted hydroxyaromatic carboxylic acid ester derivatives. These luster improvers may be used singly or in combination of two or more.
- the content of the glossiness improver is preferably 0.1% by mass to 5.0% by mass, more preferably 0.3% by mass to 3.0% by mass, and still more preferably 0.1% by mass to 5.0% by mass, based on the total amount of the heat-treated oil. 4% by mass to 2.0% by mass.
- antioxidants examples include phenol antioxidants and amine antioxidants.
- Phenolic antioxidants include, for example, 2,6-di-tert-butyl-4-methylphenol, 2,6-di-tert-butyl-4-ethylphenol, 2,4,6-tri-tert- Butylphenol, 2,6-di-tert-butyl-4-hydroxymethylphenol, 2,6-di-tert-butylphenol, 2,4-dimethyl-6-tert-butylphenol, 2,6-di-tert-butyl- 4-(N,N-dimethylaminomethyl)phenol, 2,6-di-tert-amyl-4-methylphenol, n-octadecyl-3-(4-hydroxy-3,5-di-tert-butylphenyl) Monocyclic phenols such as propionate; 4,4′-methylenebis(2,6-di-tert-butylphenol), 4,4′-isopropylidene
- diphenylamine-based antioxidants include alkylated diphenylamines having an alkyl group having 3 to 20 carbon atoms, and specific examples include diphenylamine, monooctyldiphenylamine, monononyldiphenylamine, and 4,4'-dibutyldiphenylamine. , 4,4′-dihexyldiphenylamine, 4,4′-dioctyldiphenylamine, 4,4′-dinonyldiphenylamine, tetrabutyldiphenylamine, tetrahexyldiphenylamine, tetraoctyldiphenylamine, and tetranonyldiphenylamine.
- naphthylamine-based antioxidants include alkyl-substituted phenyl- ⁇ -naphthylamines having 3 to 20 carbon atoms, and specific examples include ⁇ -naphthylamine, phenyl- ⁇ -naphthylamine, butylphenyl- ⁇ -naphthylamine, hexylphenyl- ⁇ -naphthylamine, octylphenyl- ⁇ -naphthylamine, nonylphenyl- ⁇ -naphthylamine and the like. These antioxidants may be used individually by 1 type, and may be used in combination of 2 or more type.
- the content of the antioxidant is preferably 0.01% by mass to 5.0% by mass, more preferably 0.05% by mass to 3.0% by mass, and still more preferably 0.1% by mass, based on the total amount of the heat-treated oil. % to 2.0% by mass.
- detergent dispersant for example, one or more selected from the group consisting of metallic detergents and ashless dispersants can be used.
- Metal-based detergents include, for example, metal sulfonates, metal salicylates, and metal phenates.
- metals constituting the metallic detergent include alkali metals such as sodium and potassium, and alkaline earth metals such as magnesium, calcium and barium.
- Ashless dispersants include alkenyl succinimides, boron-containing alkenyl succinimides, benzylamines, boron-containing benzylamines, succinic acid esters, fatty acids and monovalent or divalent dispersants represented by succinic acid. Examples thereof include carboxylic acid amides.
- These detergent-dispersants may be used singly or in combination of two or more. The content of the detergent-dispersant is 0.01% by mass to 5.0% by mass based on the total amount of the heat-treated oil.
- the heat-treated oil of the present embodiment has a sulfur content of preferably 5 ppm to 2,000 ppm by mass, more preferably 8 ppm to 800 ppm by mass, and still more preferably 10 ppm by mass, based on the total amount of the heat-treated oil composition. ⁇ 500 mass ppm.
- the heat-treated oil of the present embodiment has a 40° C. kinematic viscosity set according to the desired oil temperature during heat treatment such as quenching.
- Heat-treated oils are classified into cold oils that are used at low temperatures, hot oils that are used at high temperatures, and semi-hot oils that are used at intermediate temperatures.
- Cold oil is classified into one type according to JIS K2242:2012, and semi-hot oil and hot oil are classified into two types according to JIS K2242:2012.
- the 40° C. kinematic viscosity is preferably 5 mm 2 /s or more and less than 40 mm 2 /s.
- the 40° C. kinematic viscosity is more preferably 40 mm 2 /s or more and 500 mm 2 /s or less.
- the method for producing the heat-treated oil of this embodiment is not particularly limited.
- only the mineral oil (A) that satisfies the above-mentioned 40 ° C. kinematic viscosity and sulfur content may be used as the heat-treated oil as it is, but the mineral oil (A) and the mineral oil (B ), other base oil components and one or more selected from the group consisting of additives.
- the heat treatment oil of the present embodiment can improve the luster of the metal material after heat treatment such as quenching by using it in heat treatment such as quenching.
- it can be suitably used as a heat treatment oil composition when performing heat treatment such as quenching on various alloy steels such as carbon steel, nickel-manganese steel, chromium-molybdenum steel and manganese steel. Therefore, the present invention provides a method for heat-treating a metal member using the heat-treating oil of this embodiment for heat treatment such as quenching of a metal material.
- the oil temperature of the heat-treated oil is preferably set to 120° C. or higher, more preferably 170° C. to 250° C. when the heat treatment is high-temperature quenching.
- the metal member manufacturing method of the present embodiment performs high-temperature quenching including a cooling step of cooling the heated metal member by immersing it in the heat-treated oil whose oil temperature is maintained at 120 ° C. or higher. More preferably, the oil temperature in the cooling step is maintained at 170°C to 250°C.
- the mineral oil (A) has a 40° C. kinematic viscosity of 100 to 600 mm 2 /s and a sulfur content of 0.10 to 0.20% by mass
- the content of the mineral oil (A) is 0.8 to 99.2% by mass based on the total amount of the base oil
- the heat-treated oil according to [5] wherein the content of the mineral oil (B) is 0.8 to 99.2% by mass based on the total amount of the base oil.
- a metal member that undergoes high-temperature quenching treatment including a cooling step of cooling the heated metal member by immersing it in the heat-treated oil according to any one of [1] to [6] in which the oil temperature is maintained at 120 ° C. or higher. manufacturing method.
- the sulfur content of the mineral oil (A), mineral oil (B), and other mineral oils used in each example and each comparative example and the heat-treated oil prepared in each example and each comparative example was 0.05% by mass (500 mass ppm ), in the case of less than JIS K 2541-6: 2013 ultraviolet fluorescence method, and in the case of 0.05% by mass (500 mass ppm) or more, JIS K 2541-7: 2013 wavelength dispersion It was measured according to the fluorescent X-ray method.
- Examples 1 to 8 and Comparative Examples 1 to 9 The components shown below were added in the amounts shown in Tables 1 and 2 and thoroughly mixed to obtain a heat-treated oil. Details of each component used in Examples 1 to 8 and Comparative Examples 1 to 9 are as shown below.
- ⁇ Mineral oil (A)> Mineral oil A1 (obtained by solvent extraction of a lubricating oil fraction obtained by vacuum distillation of a naphthenic base crude oil. 40° C. kinematic viscosity: 137.3 mm 2 /s, 100° C. kinematic viscosity: 10.02 mm 2 /s, sulfur content: 0.12% by mass, naphthene content (% C N ): 41.5, aromatic content (% C A ): 13.1)
- Mineral oil A2 (obtained by solvent extraction of a lubricating oil fraction obtained by vacuum distillation of a naphthenic base crude oil. 40° C. kinematic viscosity: 316.2 mm 2 /s, 100° C.
- kinematic viscosity 16.52 mm 2 /s, sulfur content: 0.14% by mass, naphthene content (% C N ): 36.0, aromatic content (% C A ): 15.5)
- Mineral oil A3 obtained by solvent extraction of a lubricating oil fraction obtained by vacuum distillation of a naphthenic crude oil. 40° C. kinematic viscosity: 480.8 mm 2 /s, 100° C.
- kinematic viscosity 22.19 mm 2 /s, sulfur content: 0.16% by mass, naphthene content (% C N ): 33.7, aromatic content (% C A ): 14.4)
- ⁇ Mineral oil (B)> Mineral oil B1 (a lubricating oil fraction obtained by atmospheric distillation and vacuum distillation of intermediate crude oil is mixed with deasphalted oil obtained by solvent deasphalting of vacuum distillation residue oil, and hydrocracked 40° C.
- kinematic viscosity 408.8 mm 2 /s, 100° C.
- kinematic viscosity 32.07 mm 2 /s, sulfur content: 96 mass ppm, naphthene content (% CN): 25.1, fragrance Group (% C A ): 3.6)
- Mineral oil C1 deasphalted oil obtained by solvent deasphalting vacuum distillation residue oil obtained by atmospheric distillation and vacuum distillation of intermediate crude oil, obtained by hydrofinishing after solvent extraction 40° C.
- kinematic viscosity 495.8 mm 2 /s, 100° C.
- kinematic viscosity 31.79 mm 2 /s, sulfur content: 1.18% by mass, naphthene content (% CN): 23.3, aromatic content (% C A ): 7.0)
- Mineral oil C2 deasphalted oil obtained by solvent deasphalting vacuum distillation residue obtained by atmospheric distillation and vacuum distillation of intermediate crude oil, obtained by hydrofinishing after solvent extraction 40° C.
- kinematic viscosity 479.5 mm 2 /s, 100° C.
- kinematic viscosity 31.65 mm 2 /s, sulfur content: 0.47% by mass, naphthene content (% CN): 23.6, aromatic content (% C A ): 5.8) ⁇
- Mineral oil C3 obtained by hydrofinishing after solvent extraction for lubricating oil fractions obtained by atmospheric distillation and vacuum distillation of intermediate crude oil. 40 ° C kinematic viscosity: 20.10 mm 2 / s , 100° C.
- kinematic viscosity 4.070 mm 2 /s, sulfur content: 1000 mass ppm, naphthene content (% C N ): 28.2, aromatic content (% C A ): 4.9) ⁇
- Mineral oil C4 obtained by hydrofinishing after solvent extraction for lubricating oil fractions obtained by atmospheric distillation and vacuum distillation of intermediate crude oil. 40 ° C kinematic viscosity: 102.5 mm 2 / s , 100° C.
- kinematic viscosity 11.300 mm 2 /s, sulfur content: 5300 mass ppm, naphthene content (% C N ): 24.1, aromatic content (% C A ): 7.0)
- Mineral oil C5 obtained by subjecting a lubricating oil fraction obtained by vacuum distillation of a naphthenic base crude oil to solvent extraction. 40° C. kinematic viscosity: 27.13 mm 2 /s, 100° C. kinematic viscosity: 4. 158 mm 2 /s, sulfur content: 700 mass ppm, naphthene content (% C N ): 47.3, aromatic content (% C A ): 10.2)
- the dumbbell-shaped steel S45C and the columnar steel SUJ2 were bound at the center to bind the dumbbell-shaped steel S45C and the columnar steel SUJ2 (see FIG. 1). . Then, after heating the test piece in a furnace with a mixed gas atmosphere of nitrogen and hydrogen, the test piece was put into the heat-treated oil composition and quenched to conduct a quenching test.
- the conditions of the hardening test were as follows.
- the brightness of the quenched test piece was evaluated based on the following criteria, focusing on "brightness”, “coloration of edge”, and “coloration of contact portion”.
- the brilliance of the test piece was comprehensively evaluated according to the following criteria.
- Appearance samples with predetermined coloring were produced, and the colors of test pieces after quenching and visual observation were compared and evaluated. The degree of coloring of the appearance sample is indicated by the numerical values shown below. 0: No coloring at all. 1: There is light coloring. 2: There is dark brown to black coloring. (Coloring of edges) The end of the test piece (see FIG.
- Evaluation S The sum of the evaluation results for “brightness”, “coloration at the edge”, and “coloration at the contact portion” is 0.
- Evaluation A The sum of the evaluation results for “brightness,” “coloration at the edge,” and “coloration at the contact portion” is 1.
- Evaluation B The sum of the evaluation results for “brightness,” “coloration at the edge,” and “coloration at the contact portion” is 2.
- Evaluation C The sum of the evaluation results for “brightness,” “coloration at the edge,” and “coloration at the contact portion” is 3 or more. The evaluation was C when any evaluation result was 2 or more.
- the heat-treated oil composition rated as S has extremely excellent luster.
- the heat-treated oil composition evaluated as A has excellent luster.
- the heat-treated oil composition rated as B is slightly inferior in luster.
- the heat-treated oil composition evaluated as C is inferior in luster.
- the lubricating oil compositions of Examples 1 to 8 which satisfy all the constitutions of the present invention, are excellent in luster and thermal stability.
- the lubricating oil compositions of Comparative Examples 1-9 are inferior to the lubricating oil compositions of Examples 1-8 in luster and thermal stability.
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Abstract
Description
本発明は、上記問題点に鑑みてなされたものであって、熱安定性に優れ、光輝性を長期的に維持することができる熱処理油を提供することを課題とする。
[1] 鉱油(A)を含む基油を含有する熱処理油であって、
前記鉱油(A)は40℃動粘度が100~600mm2/sであり、かつ硫黄分含有量が0.10~0.20質量%であり、
前記鉱油(A)の含有量が、前記基油の全量基準で0.5質量%超である熱処理油。
[2] 加熱した金属部材を、油温を120℃以上に維持した[1]の熱処理油に浸漬して冷却する冷却工程を含む高温焼入れ処理を行う金属部材の製造方法。
また、本明細書に記載された数値範囲「下限値~上限値」は、特に断りのない限り、下限値以上、上限値以下であることを意味する。
また、本明細書において、実施例の数値は、上限値又は下限値として用いられ得る数値である。
本実施形態の熱処理油は、鉱油(A)を含む基油を含有する熱処理油であって、
前記鉱油(A)は40℃動粘度が100~600mm2/sであり、かつ硫黄分含有量が0.10~0.20質量%であり、
前記鉱油(A)の含有量が、前記基油の全量基準で0.5質量%超である。
本実施形態の熱処理油は、基油を含有する。
当該基油は、少なくとも鉱油(A)を含有するものであるが、さらに鉱油(B)やその他の基油成分をも含有していてもよい。
上記基油は、鉱油(A)及び鉱油(B)の合計含有量が80質量%以上であることが好ましく、90質量%以上であることがより好ましく、95質量%以上であることがさらに好ましく、98質量%以上であることが特に好ましく、さらに鉱油(A)のみからなるものであるか、鉱油(A)及び鉱油(B)のみからなるものであることが特に好ましい。
前記鉱油(A)としては、従来、潤滑油の基油として用いられている鉱油から選択される1種以上より、40℃動粘度が100~600mm2/sであり、かつ硫黄分含有量が0.10~0.20質量%のものを使用することができる。
前記鉱油(A)としては、ナフテン基原油を常圧蒸留して得られる常圧残油を、さらに減圧蒸留して得られた留出油が好ましく用いられ、特に、さらに当該留出油に対して溶剤精製を行って得られたものが好ましく用いられる。
また、鉱油(A)としては、留出油に対して、本発明の効果が奏する範囲内で水素化処理を行ったものであっても、水素化処理を行っていないものであってもよいが、水素化処理を施していないものが特に好ましい。留出油に対する水素化処理を避けることで、留出油中に含まれる、熱処理時に金属部材表面に適度な硫化物被膜を形成して光輝性を改善する特定の硫黄化合物が残存した鉱油が得られるため、本実施形態の熱処理油において好適に用いられる。
すなわち、前記鉱油(A)としては、ナフテン基原油を常圧蒸留して得られる常圧残油を、さらに減圧蒸留して得られた留出油に対して溶剤精製を行って得られたものであって、水素化仕上げや水素化分解、高度水素化分解、水素化異性化脱ロウ等の各種水素化処理を行っていないものが好ましい。
前記鉱油(A)の40℃動粘度は、100mm2/s以上である事を要し、110mm2/s以上が好ましく、120mm2/s以上がより好ましく、また、600mm2/s以下である事を要し、550mm2/s以下が好ましく、500mm2/s以下がより好ましい。これらの数値範囲の上限値及び下限値は任意に組み合わせることができ、具体的には、100mm2/s~600mm2/sである事を要し、110mm2/s~550mm2/sが好ましく、120mm2/s~500mm2/sがより好ましい。
前記鉱油(A)の100℃動粘度は、3.0mm2/s以上が好ましく、5.0mm2/s以上がより好ましく、7.0mm2/s以上が更に好ましく、また、50.0mm2/s以下が好ましく、40.0mm2/s以下がより好ましく、30.0mm2/s以下が更に好ましい。これらの数値範囲の上限値及び下限値は任意に組み合わせることができ、具体的には、3.0mm2/s~50.0mm2/sが好ましく、5.0mm2/s~40.0mm2/sがより好ましく、7.0mm2/s~30.0mm2/sが更に好ましい。
前記40℃動粘度及び前記100℃動粘度は、JIS K 2283:2000に準拠して測定することができる。
同様に、鉱油(A)としては、環分析(n-d-M法)による%CAが、5.0~25.0のものが好ましく、8.0~22.0のものがより好ましく、11.0~20.0のものが更に好ましい。
なお、本明細書において、環分析(n-d-M法)は、ASTM D 3238-95に準拠して実施される。
鉱油(A)の硫黄分含有量は、好ましくは0.11~0.17質量%である。
前記基油は、上述の鉱油(A)とは別に、さらに鉱油(B)を含有していてもよい。
鉱油(B)としては、従来、潤滑油の基油として用いられている鉱油から選択される1種以上のものを使用することができるが、鉱油(B)の全量基準における硫黄分含有量が100質量ppm以下のものである事を要する。硫黄分含有量が100質量ppm超であると、鉱油が含有する硫黄化合物が、熱処理時に金属部材の表面を硫化させ、変色させてしまう虞がある。
前記基油は、上述の鉱油(A)及び鉱油(B)以外のその他の基油成分を含有していてもよい。
その他の基油成分は、上述の鉱油(A)や鉱油(B)に該当するもの以外であれば特に制限は無く、例えば、パラフィン基原油、中間基原油、ナフテン基原油等の原油を常圧蒸留して得られる常圧残油;前記常圧残油を減圧蒸留して得られる留出油;当該留出油を、溶剤脱れき、溶剤抽出、水素化仕上げ、水素化分解、高度水素化分解、溶剤脱ろう、接触脱ろう、水素化異性化脱ろう等の精製処理を1つ以上施して得られる鉱油等が挙げられ、また各種合成油を用いることもできる。
本実施形態の熱処理油は、含硫黄合成添加剤を含んでいてもよいが、熱処理油の熱安定性を改善するとともに、スラッジの発生による光輝性の悪化を抑制する観点から、その含有量は熱処理油の全量基準で100質量ppm未満であることが好ましく、10質量ppm未満であることがより好ましい。
上述の含硫黄合成添加剤としては、スルフィド類やスルホン類が挙げられ、従って本実施形態の熱処理油は、スルフィド類及びスルホン類の合計含有量が、熱処理油の全量基準で100質量ppm未満であることが好ましく、10質量ppm未満であることがより好ましい。
本実施形態の熱処理油は、さらに所望により、熱処理油において慣用されている添加剤を配合してもよい。このような添加剤としては、例えば、蒸気膜破断剤、光輝性向上剤、酸化防止剤、及び清浄分散剤が挙げられ、これらから選択される1種以上を用いることができる。
すなわち、本実施形態の熱処理油は、上記基油に加えて、更に蒸気膜破断剤、光輝性向上剤、酸化防止剤、及び清浄分散剤から選択される1種以上を含む熱処理油であってもよく、上記基油と、蒸気膜破断剤、光輝性向上剤、酸化防止剤、及び清浄分散剤から選択される1種以上の添加剤とのみからなる熱処理油であってもよい。
蒸気膜破断剤としては、例えば、エチレン-プロピレン共重合体等のエチレン-α-オレフィン共重合体(α-オレフィンの炭素数は3~20);当該エチレン-α-オレフィン共重合体の水素添加物;1-ヘキセン、1-オクテン、1-デセン、1-ドデセン、1-テトラデセン、1-ヘキサデセン、及び1-オクタデセン等の炭素数5~20のα-オレフィン重合体;当該α-オレフィン重合体の水素添加物;ポリプロピレン、ポリブテン、及びポリイソブチレン等の炭素数3又は4のオレフィン重合体;当該オレフィン重合体の水素添加物;ポリメタクリレート、ポリアクリレート、ポリスチレン、及び石油樹脂等の高分子化合物;アスファルト等が挙げられる。
これらの蒸気膜破断剤は、1種を単独で用いてもよく、2種以上を組み合わせて用いてもよい。
蒸気膜破断剤の数平均分子量(Mn)は、通常800~100,000であることが好ましい。蒸気膜破断剤の数平均分子量(Mn)は、ゲルパーミエーションクロマトグラフィ(GPC)を用いて計測されるポリスチレン換算の値である。
蒸気膜破断剤の含有量は、熱処理油の全量基準で、好ましくは0.5質量%~18質量%、より好ましくは1.0質量%~16質量%、更に好ましくは2.0質量%~15質量%である。
光輝性向上剤としては、例えば、油脂;油脂脂肪酸;アルキルコハク酸イミド等のアルキルコハク酸;アルケニルコハク酸イミド等のアルケニルコハク酸;置換ヒドロキシ芳香族カルボン酸エステル誘導体等が挙げられる。
これらの光輝性向上剤は、1種を単独で用いてもよく、2種以上を組み合わせて用いてもよい。
光輝性向上剤の含有量は、熱処理油の全量基準で、好ましくは0.1質量%~5.0質量%、より好ましくは0.3質量%~3.0質量%、更に好ましくは0.4質量%~2.0質量%である。
酸化防止剤としては、例えば、フェノール系酸化防止剤及びアミン系酸化防止剤等が挙げられる。
フェノール系酸化防止剤としては、例えば、2,6-ジ-tert-ブチル-4-メチルフェノール、2,6-ジ-tert-ブチル-4-エチルフェノール、2,4,6-トリ-tert-ブチルフェノール、2,6-ジ-tert-ブチル-4-ヒドロキシメチルフェノール、2,6-ジ-tert-ブチルフェノール、2,4-ジメチル-6-tert-ブチルフェノール、2,6-ジ-tert-ブチル-4-(N,N-ジメチルアミノメチル)フェノール、2,6-ジ-tert-アミル-4-メチルフェノール、n-オクタデシル-3-(4-ヒドロキシ-3,5-ジ-tert-ブチルフェニル)プロピオネート等の単環フェノール類;4,4’-メチレンビス(2,6-ジ-tert-ブチルフェノール)、4,4’-イソプロピリデンビス(2,6-ジ-tert-ブチルフェノール)、2,2’-メチレンビス(4-メチル-6-tert-ブチルフェノール)、4,4’-ビス(2,6-ジ-tert-ブチルフェノール)、4,4’-ビス(2-メチル-6-tert-ブチルフェノール)、2,2’-メチレンビス(4-エチル-6-tert-ブチルフェノール)、4,4’-ブチリデンビス(3-メチル-6-tert-ブチルフェノール)、2,2’-チオビス(4-メチル-6-tert-ブチルフェノール)、4,4’-チオビス(3-メチル-6-tert-ブチルフェノール)等の多環フェノール類;等が挙げられる。
アミン系酸化防止剤としては、例えば、ジフェニルアミン系酸化防止剤及びナフチルアミン系酸化防止剤等が挙げられる。
ジフェニルアミン系酸化防止剤としては、例えば、炭素数3~20のアルキル基を有するアルキル化ジフェニルアミン等が挙げられ、具体的には、ジフェニルアミン、モノオクチルジフェニルアミン、モノノニルジフェニルアミン、4,4’-ジブチルジフェニルアミン、4,4’-ジヘキシルジフェニルアミン、4,4’-ジオクチルジフェニルアミン、4,4’-ジノニルジフェニルアミン、テトラブチルジフェニルアミン、テトラヘキシルジフェニルアミン、テトラオクチルジフェニルアミン、及びテトラノニルジフェニルアミン等が挙げられる。
ナフチルアミン系酸化防止剤としては、例えば、炭素数3~20のアルキル置換フェニル-α-ナフチルアミン等が挙げられ、具体的には、α-ナフチルアミン、フェニル-α-ナフチルアミン、ブチルフェニル-α-ナフチルアミン、ヘキシルフェニル-α-ナフチルアミン、オクチルフェニル-α-ナフチルアミン、及びノニルフェニル-α-ナフチルアミン等が挙げられる。
これらの酸化防止剤は、1種を単独で用いてもよく、2種以上を組み合わせて用いてもよい。
酸化防止剤の含有量は、熱処理油の全量基準で、好ましくは0.01質量%~5.0質量%、より好ましくは0.05質量%~3.0質量%、更に好ましくは0.1質量%~2.0質量%である。
清浄分散剤としては、例えば、金属系清浄剤及び無灰系分散剤からなる群から選択される1種以上を用いることができる。
金属系清浄剤としては、例えば、金属スルホネート、金属サリチレート、及び金属フェネート等が挙げられる。
金属系清浄剤を構成する金属としては、例えば、ナトリウム及びカリウム等のアルカリ金属、マグネシウム、カルシウム、及びバリウム等のアルカリ土類金属が挙げられる。
無灰系分散剤としては、アルケニルコハク酸イミド類、ホウ素含有アルケニルコハク酸イミド類、ベンジルアミン類、ホウ素含有ベンジルアミン類、コハク酸エステル類、脂肪酸あるいはコハク酸で代表される一価又は二価カルボン酸アミド類等が挙げられる。
これらの清浄分散剤は、1種を単独で用いてもよく、2種以上を組み合わせて用いてもよい。
清浄分散剤の含有量は、熱処理油の全量基準で、0.01質量%~5.0質量%である。
<硫黄分>
本実施形態の熱処理油は、硫黄分が、熱処理油組成物の全量基準で、好ましくは5質量ppm~2,000質量ppm、より好ましくは8質量ppm~800質量ppm、更に好ましくは10質量ppm~500質量ppmである。
本実施形態の熱処理油は、焼入れ等の熱処理時における所望の油温に応じて40℃動粘度が設定される。
熱処理油は、低い油温で使用するコールド油、高い油温で使用するホット油、これらの中間の油温で使用するセミホット油に区分される。コールド油は、JIS K2242:2012の1種に区分され、セミホット油及びホット油は、JIS K2242:2012の2種に区分される。
本実施形態の熱処理油がコールド油として用いられる場合、40℃動粘度は、5mm2/s以上40mm2/s未満であることが好ましい。
本実施形態の熱処理油がセミホット油又はホット油として用いられる場合、40℃動粘度は、40mm2/s以上500mm2/s以下であることがより好ましい。
本実施態様の熱処理油の製造方法は、特に限定されない。
本実施態様の熱処理油の製造方法においては、上述の40℃動粘度及び硫黄分含有量を満たす鉱油(A)のみをそのまま熱処理油としてもよいが、鉱油(A)と、上述の鉱油(B)、その他の基油成分及び添加剤からなる群から選択される1種以上とを混合する工程を有する製造方法であってもよい。
本実施態様の熱処理油は、金属材料の焼入れ等の熱処理の際に用いることで、焼入れ等の熱処理後の金属材料の光輝性を良好なものとできる。例えば、炭素鋼、ニッケル-マンガン鋼、クロム-モリブデン鋼、マンガン鋼等の各種合金鋼に焼入れ等の熱処理を行う際の熱処理油組成物として好適に用いることができる。
したがって、本発明は、本実施態様の熱処理油を金属材料の焼入れ等の熱処理の際に用いる、金属部材の熱処理方法を提供する。この際、熱処理油の油温は、熱処理が高温焼入れ処理である場合、好ましくは120℃以上、より好ましくは170℃~250℃に設定される。
本実施態様の金属部材の製造方法は、加熱した状態の金属部材を、油温を120℃以上に維持した上記熱処理油に浸漬して冷却する冷却工程を含む高温焼入れ処理を行うものである。
上記冷却工程における油温は、170℃~250℃に維持することがより好ましい。
本発明の一態様によれば、下記[1]~[7]が提供される。
[1] 鉱油(A)を含む基油を含有する熱処理油であって、
前記鉱油(A)は40℃動粘度が100~600mm2/sであり、かつ硫黄分含有量が0.10~0.20質量%であり、
前記鉱油(A)の含有量が、前記基油の全量基準で0.5質量%超である熱処理油。
[2] 前記鉱油(A)のn-d-M環分析による%CAが5.0~25.0である[1]に記載の熱処理油。
[3] 前記鉱油(A)を、前記基油の全量基準で0.7~100質量%含有する[1]又は[2]に記載の熱処理油。
[4] 含硫黄合成添加剤の配合量が、前記熱処理油の全量基準で100質量ppm未満である[1]~[3]のいずれかに記載の熱処理油。
[5] 前記基油が、さらに、硫黄分含有量が100質量ppm以下の鉱油(B)を含有する[1]~[4]のいずれかに記載の熱処理油。
[6] 前記鉱油(A)の含有量が、前記基油の全量基準で0.8~99.2質量%であり、
前記鉱油(B)の含有量が、前記基油の全量基準で0.8~99.2質量%である[5]に記載の熱処理油。
[7] 加熱した金属部材を、油温を120℃以上に維持した[1]~[6]のいずれかに記載の熱処理油に浸漬して冷却する冷却工程を含む高温焼入れ処理を行う金属部材の製造方法。
各種鉱油及び熱処理油の40℃動粘度及び100℃動粘度を、JIS K 2283:2000に準拠して測定又は算出した。
各実施例及び各比較例において用いた鉱油(A)、鉱油(B)、その他の鉱油並びに各実施例及び各比較例において調製した熱処理油の硫黄分は、0.05質量%(500質量ppm)未満の測定の場合には、JIS K 2541-6:2013の紫外蛍光法に準拠し、0.05質量%(500質量ppm)以上の場合には、JIS K 2541-7:2013の波長分散蛍光X線法に準拠して測定した。
以下に示す各成分を、表1~2に示す含有量で加えて十分に混合し、熱処理油を得た。
実施例1~8、及び比較例1~9で用いた各成分の詳細は、以下に示すとおりである。
・鉱油A1(ナフテン基原油を減圧蒸留して得られた潤滑油留分を、溶剤抽出して得たもの。40℃動粘度:137.3mm2/s、100℃動粘度:10.02mm2/s、硫黄分:0.12質量%、ナフテン分(%CN):41.5、芳香族分(%CA):13.1)
・鉱油A2(ナフテン基原油を減圧蒸留して得られた潤滑油留分を、溶剤抽出して得たもの。40℃動粘度:316.2mm2/s、100℃動粘度:16.52mm2/s、硫黄分:0.14質量%、ナフテン分(%CN):36.0、芳香族分(%CA):15.5)
・鉱油A3(ナフテン基原油を減圧蒸留して得られた潤滑油留分を、溶剤抽出して得たもの。40℃動粘度:480.8mm2/s、100℃動粘度:22.19mm2/s、硫黄分:0.16質量%、ナフテン分(%CN):33.7、芳香族分(%CA):14.4)
<鉱油(B)>
・鉱油B1(中間基原油を常圧蒸留及び減圧蒸留して得られた潤滑油留分に対し、減圧蒸留残渣油を溶剤脱歴して得られた脱歴油を混合し、水素化分解を行って得たもの。40℃動粘度:408.8mm2/s、100℃動粘度:30.88mm2/s、硫黄分:100質量ppm未満、ナフテン分(%CN):27.0、芳香族分(%CA):0.0)
・鉱油B2(中間基原油を常圧蒸留及び減圧蒸留して得られた潤滑油留分に対し、水素化分解を行って得たもの。40℃動粘度:89.41mm2/s、100℃動粘度:10.70mm2/s、硫黄分:100質量ppm未満、ナフテン分(%CN):25.5、芳香族分(%CA):3.7)
・鉱油B3(中間基原油を常圧蒸留及び減圧蒸留して得られた潤滑油留分に対し、減圧蒸留残渣油を溶剤脱歴して得られた脱歴油を混合し、水素化分解を行って得たもの。40℃動粘度:441.6mm2/s、100℃動粘度:32.07mm2/s、硫黄分:96質量ppm、ナフテン分(%CN):25.1、芳香族分(%CA):3.6)
<その他の鉱油>
・鉱油C1(中間基原油を常圧蒸留及び減圧蒸留して得られた減圧蒸留残渣油を、溶剤脱歴して得られた脱歴油に対し、溶剤抽出後に水素化仕上げを行って得たもの。40℃動粘度:495.8mm2/s、100℃動粘度:31.79mm2/s、硫黄分:1.18質量%、ナフテン分(%CN):23.3、芳香族分(%CA):7.0)
・鉱油C2(中間基原油を常圧蒸留及び減圧蒸留して得られた減圧蒸留残渣油を、溶剤脱歴して得られた脱歴油に対し、溶剤抽出後に水素化仕上げを行って得たもの。40℃動粘度:479.5mm2/s、100℃動粘度:31.65mm2/s、硫黄分:0.47質量%、ナフテン分(%CN):23.6、芳香族分(%CA):5.8)
・鉱油C3(中間基原油を常圧蒸留及び減圧蒸留して得られた潤滑油留分に対し、溶剤抽出後に水素化仕上げを行って得たもの。40℃動粘度:20.10mm2/s、100℃動粘度:4.070mm2/s、硫黄分:1000質量ppm、ナフテン分(%CN):28.2、芳香族分(%CA):4.9)
・鉱油C4(中間基原油を常圧蒸留及び減圧蒸留して得られた潤滑油留分に対し、溶剤抽出後に水素化仕上げを行って得たもの。40℃動粘度:102.5mm2/s、100℃動粘度:11.300mm2/s、硫黄分:5300質量ppm、ナフテン分(%CN):24.1、芳香族分(%CA):7.0)
・鉱油C5(ナフテン基原油を減圧蒸留して得られた潤滑油留分に対し、溶剤抽出を行って得たもの。40℃動粘度:27.13mm2/s、100℃動粘度:4.158mm2/s、硫黄分:700質量ppm、ナフテン分(%CN):47.3、芳香族分(%CA):10.2)
「熱処理油槽内の酸素による光輝性への影響(出光トライボレビュー、No.31、pp.1963~1966、平成20年9月30日発行)」を参考にして、焼入れ後の鋼材の光輝性の評価を行った。
具体的には、ダンベル型の鋼材S45C(径:16mm、長さ:30mm、硬度HRC:16)と円柱型の鋼材SUJ2(径:10mm、長さ:30mm、硬度HRC:15)とを組み合わせて試験片とした。詳細には、SUS303製ワイヤーを用いて、ダンベル型の鋼材S45Cと円柱型の鋼材SUJ2とを中央部で縛り、ダンベル型の鋼材S45Cと円柱型の鋼材SUJ2とを結束した(図1を参照)。そして、窒素と水素との混合ガス雰囲気とした炉内で当該試験片を加熱した後、当該試験片を熱処理油組成物に投入して焼入れを行い、焼入れ試験を行った。
焼入れ試験の条件は、以下の条件とした。
炉内温度:850℃
炉内における試験片保持時間:炉内温度が850℃に到達してから40分間
熱処理油の温度:120℃
熱処理油への試験片の浸漬時間(焼入れ時間):10分間
(明度)
所定の着色を施した外観見本を作製して、焼入れ後の試験片の色と目視で比較評価した。外観見本の着色の程度は以下に示す数値で示される。
0:着色が全くない。
1:薄い着色がある。
2:黒褐色~黒色の着色がある。
(端部の着色)
試験片の端部(図1を参照)を目視で観察し、以下の基準で評価した。
0:着色が全くないかほとんどない。
1:薄い着色が認められる。
2:黒褐色~黒色の着色が認められる。
(接触部の着色)
試験片(ダンベル型の鋼材と円柱型の鋼材との接触部、図1を参照)を目視で観察し、以下の基準で評価した。
0:着色が全くないかほとんどない。
1:薄い着色が認められる。
2:黒褐色~黒色の着色が認められる。
「明度」、「端部の着色」、及び「接触部の着色」の評価結果を用い、以下の基準に基づき総合評価を行った。
評価S:「明度」、「端部の着色」、及び「接触部の着色」の評価結果の総和が0
評価A:「明度」、「端部の着色」、及び「接触部の着色」の評価結果の総和が1
評価B:「明度」、「端部の着色」、及び「接触部の着色」の評価結果の総和が2
評価C:「明度」、「端部の着色」、及び「接触部の着色」の評価結果の総和が3以上
但し、「明度」、「端部の着色」、及び「接触部の着色」のいずれかの評価結果が2以上である場合には、評価はCとした。
評価Sである熱処理油組成物は、光輝性が極めて優れる。評価Aである熱処理油組成物は、光輝性が優れる。一方、評価Bである熱処理油組成物は、光輝性がやや劣る。評価Cである熱処理油組成物は、光輝性が劣る。
JIS-2540熱安定度試験に準拠し、175℃で96時間後の試料油を目視で確認し、以下の基準でスラッジの発生有無を評価した。
評価A:試料油中にスラッジ無し
評価F:試料油中にスラッジ有り
一方、比較例1~9の潤滑油組成物は、実施例1~8の潤滑油組成物よりも光輝性や熱安定性に劣ることがわかる。
2 接触部
Claims (7)
- 鉱油(A)を含む基油を含有する熱処理油であって、
前記鉱油(A)は40℃動粘度が100~600mm2/sであり、かつ硫黄分含有量が0.10~0.20質量%であり、
前記鉱油(A)の含有量が、前記基油の全量基準で0.5質量%超である熱処理油。 - 前記鉱油(A)のn-d-M環分析による%CAが5.0~25.0である請求項1に記載の熱処理油。
- 前記鉱油(A)を、前記基油の全量基準で0.7~100質量%含有する請求項1又は2に記載の熱処理油。
- 含硫黄合成添加剤の配合量が、前記熱処理油の全量基準で100質量ppm未満である請求項1~3のいずれか1項に記載の熱処理油。
- 前記基油が、さらに、硫黄分含有量が100質量ppm以下の鉱油(B)を含有する請求項1~4のいずれか1項に記載の熱処理油。
- 前記鉱油(A)の含有量が、前記基油の全量基準で0.8~99.2質量%であり、
前記鉱油(B)の含有量が、前記基油の全量基準で0.8~99.2質量%である請求項5に記載の熱処理油。 - 加熱した金属部材を、油温を120℃以上に維持した請求項1~6のいずれか1項に記載の熱処理油に浸漬して冷却する冷却工程を含む高温焼入れ処理を行う金属部材の製造方法。
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CN202280025470.6A CN117222755A (zh) | 2021-03-31 | 2022-03-29 | 热处理油 |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0113157A1 (en) * | 1982-12-30 | 1984-07-11 | EDWIN COOPER & COMPANY LIMITED | Quench oils, concentrates for making quench oils and methods of treating metals |
JPH06136435A (ja) * | 1991-10-18 | 1994-05-17 | Idemitsu Kosan Co Ltd | 熱処理油組成物 |
JP2001192689A (ja) * | 2001-10-23 | 2001-07-17 | Idemitsu Kosan Co Ltd | 歯車用熱処理油組成物及びそれを用いて処理した歯車 |
JP2010255058A (ja) * | 2009-04-27 | 2010-11-11 | Nippon Grease Co Ltd | 熱処理油組成物 |
CN102212662A (zh) * | 2011-06-09 | 2011-10-12 | 上海德润宝特种润滑剂有限公司 | 一种特快速淬火油及其制备方法 |
JP2013213243A (ja) * | 2012-03-30 | 2013-10-17 | Idemitsu Kosan Co Ltd | 熱処理方法 |
-
2021
- 2021-03-31 JP JP2021062413A patent/JP2022157908A/ja active Pending
-
2022
- 2022-03-29 CN CN202280025470.6A patent/CN117222755A/zh active Pending
- 2022-03-29 US US18/552,484 patent/US20240174936A1/en active Pending
- 2022-03-29 WO PCT/JP2022/015710 patent/WO2022210795A1/ja active Application Filing
- 2022-03-30 TW TW111112287A patent/TW202305100A/zh unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0113157A1 (en) * | 1982-12-30 | 1984-07-11 | EDWIN COOPER & COMPANY LIMITED | Quench oils, concentrates for making quench oils and methods of treating metals |
JPH06136435A (ja) * | 1991-10-18 | 1994-05-17 | Idemitsu Kosan Co Ltd | 熱処理油組成物 |
JP2001192689A (ja) * | 2001-10-23 | 2001-07-17 | Idemitsu Kosan Co Ltd | 歯車用熱処理油組成物及びそれを用いて処理した歯車 |
JP2010255058A (ja) * | 2009-04-27 | 2010-11-11 | Nippon Grease Co Ltd | 熱処理油組成物 |
CN102212662A (zh) * | 2011-06-09 | 2011-10-12 | 上海德润宝特种润滑剂有限公司 | 一种特快速淬火油及其制备方法 |
JP2013213243A (ja) * | 2012-03-30 | 2013-10-17 | Idemitsu Kosan Co Ltd | 熱処理方法 |
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US20240174936A1 (en) | 2024-05-30 |
CN117222755A (zh) | 2023-12-12 |
JP2022157908A (ja) | 2022-10-14 |
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