JP4775852B2 - 焼結部品の洗浄方法 - Google Patents
焼結部品の洗浄方法 Download PDFInfo
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- JP4775852B2 JP4775852B2 JP2006287813A JP2006287813A JP4775852B2 JP 4775852 B2 JP4775852 B2 JP 4775852B2 JP 2006287813 A JP2006287813 A JP 2006287813A JP 2006287813 A JP2006287813 A JP 2006287813A JP 4775852 B2 JP4775852 B2 JP 4775852B2
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- Prior art keywords
- cleaning
- hydrocarbon
- sintered
- solvent
- hfe
- Prior art date
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- 238000004140 cleaning Methods 0.000 title claims description 115
- 238000000034 method Methods 0.000 title claims description 56
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 53
- 239000007788 liquid Substances 0.000 claims description 47
- 229930195733 hydrocarbon Natural products 0.000 claims description 40
- 150000002430 hydrocarbons Chemical class 0.000 claims description 40
- 239000004215 Carbon black (E152) Substances 0.000 claims description 37
- 238000000576 coating method Methods 0.000 claims description 28
- 238000009835 boiling Methods 0.000 claims description 25
- 230000003449 preventive effect Effects 0.000 claims description 24
- 239000002904 solvent Substances 0.000 claims description 22
- 239000003960 organic solvent Substances 0.000 claims description 21
- 239000012459 cleaning agent Substances 0.000 claims description 19
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- 125000004432 carbon atom Chemical group C* 0.000 claims description 9
- -1 acetate ester Chemical class 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 8
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 claims description 7
- 229920006395 saturated elastomer Polymers 0.000 claims description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 5
- 239000003208 petroleum Substances 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 2
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 claims description 2
- 150000003505 terpenes Chemical class 0.000 claims description 2
- 235000007586 terpenes Nutrition 0.000 claims description 2
- 150000001242 acetic acid derivatives Chemical class 0.000 claims 1
- 239000004210 ether based solvent Substances 0.000 claims 1
- 239000005453 ketone based solvent Substances 0.000 claims 1
- 239000003112 inhibitor Substances 0.000 description 26
- 239000003921 oil Substances 0.000 description 26
- 235000019198 oils Nutrition 0.000 description 26
- 239000000243 solution Substances 0.000 description 26
- 238000005406 washing Methods 0.000 description 22
- 238000012360 testing method Methods 0.000 description 19
- 230000000052 comparative effect Effects 0.000 description 11
- 238000001035 drying Methods 0.000 description 10
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 238000007654 immersion Methods 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 239000000843 powder Substances 0.000 description 9
- 238000004821 distillation Methods 0.000 description 7
- JNYAEWCLZODPBN-JGWLITMVSA-N (2r,3r,4s)-2-[(1r)-1,2-dihydroxyethyl]oxolane-3,4-diol Chemical compound OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O JNYAEWCLZODPBN-JGWLITMVSA-N 0.000 description 6
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 229910019142 PO4 Inorganic materials 0.000 description 5
- 239000002253 acid Substances 0.000 description 5
- 238000011109 contamination Methods 0.000 description 5
- 125000005609 naphthenate group Chemical group 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 125000001931 aliphatic group Chemical group 0.000 description 4
- 239000003599 detergent Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 description 4
- 239000010452 phosphate Substances 0.000 description 4
- 239000012808 vapor phase Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- CMGDVUCDZOBDNL-UHFFFAOYSA-N 4-methyl-2h-benzotriazole Chemical compound CC1=CC=CC2=NNN=C12 CMGDVUCDZOBDNL-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 3
- 230000005587 bubbling Effects 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000010730 cutting oil Substances 0.000 description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- FBUKVWPVBMHYJY-UHFFFAOYSA-N nonanoic acid Chemical compound CCCCCCCCC(O)=O FBUKVWPVBMHYJY-UHFFFAOYSA-N 0.000 description 3
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 3
- 235000021313 oleic acid Nutrition 0.000 description 3
- 235000021317 phosphate Nutrition 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 2
- OKIYQFLILPKULA-UHFFFAOYSA-N 1,1,1,2,2,3,3,4,4-nonafluoro-4-methoxybutane Chemical compound COC(F)(F)C(F)(F)C(F)(F)C(F)(F)F OKIYQFLILPKULA-UHFFFAOYSA-N 0.000 description 2
- BOSAWIQFTJIYIS-UHFFFAOYSA-N 1,1,1-trichloro-2,2,2-trifluoroethane Chemical compound FC(F)(F)C(Cl)(Cl)Cl BOSAWIQFTJIYIS-UHFFFAOYSA-N 0.000 description 2
- UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 description 2
- ZORQXIQZAOLNGE-UHFFFAOYSA-N 1,1-difluorocyclohexane Chemical compound FC1(F)CCCCC1 ZORQXIQZAOLNGE-UHFFFAOYSA-N 0.000 description 2
- WPRSXOFWYFTXTA-UHFFFAOYSA-M 2-(2-hydroxyethylamino)ethanol;benzoate Chemical compound OCCNCCO.[O-]C(=O)C1=CC=CC=C1 WPRSXOFWYFTXTA-UHFFFAOYSA-M 0.000 description 2
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 2
- JGHSBPIZNUXPLA-UHFFFAOYSA-N 2-hydroxyhexadecanoic acid Chemical compound CCCCCCCCCCCCCCC(O)C(O)=O JGHSBPIZNUXPLA-UHFFFAOYSA-N 0.000 description 2
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 2
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- SIKJAQJRHWYJAI-UHFFFAOYSA-N Indole Chemical compound C1=CC=C2NC=CC2=C1 SIKJAQJRHWYJAI-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 239000005642 Oleic acid Substances 0.000 description 2
- 235000019484 Rapeseed oil Nutrition 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 2
- QQVGEJLUEOSDBB-KTKRTIGZSA-N [3-hydroxy-2,2-bis(hydroxymethyl)propyl] (z)-octadec-9-enoate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(CO)(CO)CO QQVGEJLUEOSDBB-KTKRTIGZSA-N 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- OBETXYAYXDNJHR-UHFFFAOYSA-N alpha-ethylcaproic acid Natural products CCCCC(CC)C(O)=O OBETXYAYXDNJHR-UHFFFAOYSA-N 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 2
- 239000012964 benzotriazole Substances 0.000 description 2
- XSIFPSYPOVKYCO-UHFFFAOYSA-N butyl benzoate Chemical group CCCCOC(=O)C1=CC=CC=C1 XSIFPSYPOVKYCO-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- PAFZNILMFXTMIY-UHFFFAOYSA-N cyclohexylamine Chemical compound NC1CCCCC1 PAFZNILMFXTMIY-UHFFFAOYSA-N 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- UKMSUNONTOPOIO-UHFFFAOYSA-N docosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCC(O)=O UKMSUNONTOPOIO-UHFFFAOYSA-N 0.000 description 2
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 2
- MVLVMROFTAUDAG-UHFFFAOYSA-N ethyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC MVLVMROFTAUDAG-UHFFFAOYSA-N 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 229940005740 hexametaphosphate Drugs 0.000 description 2
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 2
- BTFJIXJJCSYFAL-UHFFFAOYSA-N icosan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCCCO BTFJIXJJCSYFAL-UHFFFAOYSA-N 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
- 229960002446 octanoic acid Drugs 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- LPNBBFKOUUSUDB-UHFFFAOYSA-N p-toluic acid Chemical compound CC1=CC=C(C(O)=O)C=C1 LPNBBFKOUUSUDB-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- WLJVNTCWHIRURA-UHFFFAOYSA-N pimelic acid Chemical compound OC(=O)CCCCCC(O)=O WLJVNTCWHIRURA-UHFFFAOYSA-N 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000001593 sorbitan monooleate Substances 0.000 description 2
- 229940035049 sorbitan monooleate Drugs 0.000 description 2
- 235000011069 sorbitan monooleate Nutrition 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- TYFQFVWCELRYAO-UHFFFAOYSA-N suberic acid Chemical compound OC(=O)CCCCCCC(O)=O TYFQFVWCELRYAO-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 2
- ZDPHROOEEOARMN-UHFFFAOYSA-N undecanoic acid Chemical compound CCCCCCCCCCC(O)=O ZDPHROOEEOARMN-UHFFFAOYSA-N 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- OBETXYAYXDNJHR-SSDOTTSWSA-M (2r)-2-ethylhexanoate Chemical compound CCCC[C@@H](CC)C([O-])=O OBETXYAYXDNJHR-SSDOTTSWSA-M 0.000 description 1
- WZLFPVPRZGTCKP-UHFFFAOYSA-N 1,1,1,3,3-pentafluorobutane Chemical compound CC(F)(F)CC(F)(F)F WZLFPVPRZGTCKP-UHFFFAOYSA-N 0.000 description 1
- FJLUATLTXUNBOT-UHFFFAOYSA-N 1-Hexadecylamine Chemical compound CCCCCCCCCCCCCCCCN FJLUATLTXUNBOT-UHFFFAOYSA-N 0.000 description 1
- GYSCBCSGKXNZRH-UHFFFAOYSA-N 1-benzothiophene-2-carboxamide Chemical compound C1=CC=C2SC(C(=O)N)=CC2=C1 GYSCBCSGKXNZRH-UHFFFAOYSA-N 0.000 description 1
- DFUYAWQUODQGFF-UHFFFAOYSA-N 1-ethoxy-1,1,2,2,3,3,4,4,4-nonafluorobutane Chemical compound CCOC(F)(F)C(F)(F)C(F)(F)C(F)(F)F DFUYAWQUODQGFF-UHFFFAOYSA-N 0.000 description 1
- QHZLMUACJMDIAE-UHFFFAOYSA-N 1-monopalmitoylglycerol Chemical compound CCCCCCCCCCCCCCCC(=O)OCC(O)CO QHZLMUACJMDIAE-UHFFFAOYSA-N 0.000 description 1
- HSUODFYJTNEEGW-UHFFFAOYSA-N 1-n-cyclohexylpropane-1,2-diamine Chemical compound CC(N)CNC1CCCCC1 HSUODFYJTNEEGW-UHFFFAOYSA-N 0.000 description 1
- DBBZOURVEFUJEW-UHFFFAOYSA-N 1-n-dodecylpropane-1,2-diamine Chemical compound CCCCCCCCCCCCNCC(C)N DBBZOURVEFUJEW-UHFFFAOYSA-N 0.000 description 1
- AJCJAUGBBLSFQL-UHFFFAOYSA-N 1-n-hexadecylpropane-1,2-diamine Chemical compound CCCCCCCCCCCCCCCCNCC(C)N AJCJAUGBBLSFQL-UHFFFAOYSA-N 0.000 description 1
- RZRNAYUHWVFMIP-KTKRTIGZSA-N 1-oleoylglycerol Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(O)CO RZRNAYUHWVFMIP-KTKRTIGZSA-N 0.000 description 1
- FRPZMMHWLSIFAZ-UHFFFAOYSA-N 10-undecenoic acid Chemical compound OC(=O)CCCCCCCCC=C FRPZMMHWLSIFAZ-UHFFFAOYSA-N 0.000 description 1
- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical compound C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 description 1
- KQHZEKNQJJSVDN-KVVVOXFISA-N 2-(2-hydroxyethylamino)ethanol;(z)-octadec-9-enoic acid Chemical compound OCCNCCO.CCCCCCCC\C=C/CCCCCCCC(O)=O KQHZEKNQJJSVDN-KVVVOXFISA-N 0.000 description 1
- YTMGZTIJDQYEKI-UHFFFAOYSA-N 2-[bis(2-hydroxyethyl)amino]ethanol;2,3-di(nonyl)naphthalene-1-sulfonic acid Chemical compound OCCN(CCO)CCO.C1=CC=C2C(S(O)(=O)=O)=C(CCCCCCCCC)C(CCCCCCCCC)=CC2=C1 YTMGZTIJDQYEKI-UHFFFAOYSA-N 0.000 description 1
- KWIPUXXIFQQMKN-UHFFFAOYSA-N 2-azaniumyl-3-(4-cyanophenyl)propanoate Chemical compound OC(=O)C(N)CC1=CC=C(C#N)C=C1 KWIPUXXIFQQMKN-UHFFFAOYSA-N 0.000 description 1
- SMNNDVUKAKPGDD-UHFFFAOYSA-N 2-butylbenzoic acid Chemical compound CCCCC1=CC=CC=C1C(O)=O SMNNDVUKAKPGDD-UHFFFAOYSA-N 0.000 description 1
- HCUZVMHXDRSBKX-UHFFFAOYSA-N 2-decylpropanedioic acid Chemical compound CCCCCCCCCCC(C(O)=O)C(O)=O HCUZVMHXDRSBKX-UHFFFAOYSA-N 0.000 description 1
- NPNBAVCYJMWSPY-UHFFFAOYSA-N 2-dodecyl-2-phenyloctadecanoic acid Chemical compound CCCCCCCCCCCCCCCCC(CCCCCCCCCCCC)(C(O)=O)C1=CC=CC=C1 NPNBAVCYJMWSPY-UHFFFAOYSA-N 0.000 description 1
- SIMXDMAADNFSMQ-UHFFFAOYSA-N 2-ethyl-2-phenyloctadecanoic acid Chemical compound C(C)C(C(=O)O)(CCCCCCCCCCCCCCCC)C1=CC=CC=C1 SIMXDMAADNFSMQ-UHFFFAOYSA-N 0.000 description 1
- QJGNSTCICFBACB-UHFFFAOYSA-N 2-octylpropanedioic acid Chemical compound CCCCCCCCC(C(O)=O)C(O)=O QJGNSTCICFBACB-UHFFFAOYSA-N 0.000 description 1
- LAWHHRXCBUNWFI-UHFFFAOYSA-N 2-pentylpropanedioic acid Chemical compound CCCCCC(C(O)=O)C(O)=O LAWHHRXCBUNWFI-UHFFFAOYSA-N 0.000 description 1
- MKJHXLKVZNDNDB-UHFFFAOYSA-N 2-phenyloctadecanoic acid Chemical compound CCCCCCCCCCCCCCCCC(C(O)=O)C1=CC=CC=C1 MKJHXLKVZNDNDB-UHFFFAOYSA-N 0.000 description 1
- WMRCTEPOPAZMMN-UHFFFAOYSA-N 2-undecylpropanedioic acid Chemical compound CCCCCCCCCCCC(C(O)=O)C(O)=O WMRCTEPOPAZMMN-UHFFFAOYSA-N 0.000 description 1
- ULRPISSMEBPJLN-UHFFFAOYSA-N 2h-tetrazol-5-amine Chemical compound NC1=NN=NN1 ULRPISSMEBPJLN-UHFFFAOYSA-N 0.000 description 1
- HNNQYHFROJDYHQ-UHFFFAOYSA-N 3-(4-ethylcyclohexyl)propanoic acid 3-(3-ethylcyclopentyl)propanoic acid Chemical compound CCC1CCC(CCC(O)=O)C1.CCC1CCC(CCC(O)=O)CC1 HNNQYHFROJDYHQ-UHFFFAOYSA-N 0.000 description 1
- NHLAPJMCARJFOG-UHFFFAOYSA-N 3-methyl-1,4-dihydropyrazol-5-one Chemical compound CC1=NNC(=O)C1 NHLAPJMCARJFOG-UHFFFAOYSA-N 0.000 description 1
- OAHMVZYHIJQTQC-UHFFFAOYSA-N 4-cyclohexylphenol Chemical compound C1=CC(O)=CC=C1C1CCCCC1 OAHMVZYHIJQTQC-UHFFFAOYSA-N 0.000 description 1
- LRUDIIUSNGCQKF-UHFFFAOYSA-N 5-methyl-1H-benzotriazole Chemical compound C1=C(C)C=CC2=NNN=C21 LRUDIIUSNGCQKF-UHFFFAOYSA-N 0.000 description 1
- XZIIFPSPUDAGJM-UHFFFAOYSA-N 6-chloro-2-n,2-n-diethylpyrimidine-2,4-diamine Chemical compound CCN(CC)C1=NC(N)=CC(Cl)=N1 XZIIFPSPUDAGJM-UHFFFAOYSA-N 0.000 description 1
- 239000004254 Ammonium phosphate Substances 0.000 description 1
- 235000021357 Behenic acid Nutrition 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 239000005635 Caprylic acid (CAS 124-07-2) Substances 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 241000694440 Colpidium aqueous Species 0.000 description 1
- GHVNFZFCNZKVNT-UHFFFAOYSA-N Decanoic acid Natural products CCCCCCCCCC(O)=O GHVNFZFCNZKVNT-UHFFFAOYSA-N 0.000 description 1
- 239000004166 Lanolin Substances 0.000 description 1
- 239000005639 Lauric acid Substances 0.000 description 1
- OYHQOLUKZRVURQ-HZJYTTRNSA-N Linoleic acid Chemical compound CCCCC\C=C/C\C=C/CCCCCCCC(O)=O OYHQOLUKZRVURQ-HZJYTTRNSA-N 0.000 description 1
- REYJJPSVUYRZGE-UHFFFAOYSA-N Octadecylamine Chemical compound CCCCCCCCCCCCCCCCCCN REYJJPSVUYRZGE-UHFFFAOYSA-N 0.000 description 1
- DIOYAVUHUXAUPX-KHPPLWFESA-N Oleoyl sarcosine Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)N(C)CC(O)=O DIOYAVUHUXAUPX-KHPPLWFESA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000004264 Petrolatum Substances 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
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Description
また、焼結部品をエタノールアミンと有機ホスフェイトとを含む2−プロパノール溶液で洗浄する方法が提案されている(特許文献3参照)。2−プロパノールは引火点が12℃と低いため、安全性に問題がある。
(A)焼結部品を炭化水素系洗浄液と接触させて洗浄する洗浄工程、
(B)次いで防錆剤を濃度が1〜10重量%となるように有機溶剤に均一に溶解して得た防錆剤溶液と接触させて焼結部品表面に防錆皮膜を形成するコーティング工程、及び
(C)次いでハイドロフルオロカーボン及び/又はハイドロフルオロエーテル(HFC/HFE)と接触させて焼結部品に付着する炭化水素系洗浄液及び/又は有機溶媒を前記HFC/HFEで置換するリンス工程
を含む焼結部品の洗浄方法である。
また、防錆剤は、HFC又はHFEに溶解しないものであることが好ましい。
さらに、HFC及びHFEの沸点がいずれも30〜100℃であることが好ましい。
本発明の洗浄方法は、洗浄工程において焼結部品を炭化水素系洗浄液と接触して洗浄する。洗浄方法として具体的には、炭化水素系洗浄液を焼結部品に噴射して洗浄する噴射洗浄、炭化水素系洗浄液中に焼結部品を浸漬して洗浄する浸漬洗浄などが挙げられる。浸漬洗浄がより好ましく、設備が比較的シンプルで、確実な洗浄が見込まれる。
また、焼結部品から炭化水素系洗浄液に溶解しない粒子を予め粒子除去用洗浄剤で洗浄除去した後に洗浄を行うこともできる。粒子除去用洗浄剤としては、特許第3160854号に記載の洗浄剤等を使用することができる。
また、公知の防錆剤を含有する市販の防錆油や錆止め油を使用することもできる。
リンス工程で使用するHFC/HFEは、沸点が30〜100℃と揮発性が高いため、速やかに蒸散させることができ、焼結部品を素早く乾燥することができる。
(2)いろいろな金属の粉末を自由な割合で混ぜ合わせることができるから、鉄に炭素、銅、ニッケル、りん、モリブデン、マンガンなどを組合せた鉄系、青銅や黄銅などの銅系、ステンレス鋼などが目的に応じて使い分けられ、含油軸受や機械部品として様々な機器に組み込むことができる。例えば、鉄の粉末にいろいろな金属やセラミックスなど金属以外の粉末を混ぜることもでき、新幹線のパンタグラフの集電用すり板のような、摩擦や摩耗を向上させた焼結部品をつくることができる。
(4)金属の粉末を押し固めて、焼いて作るので、くっついた粉末の間に気孔と呼ぶ隙間があり、これに油(潤滑油)を入れることができる。この代表的な部品が「含油軸受」で、油の補給がいらないので、洗濯機や空調のファンからハードディスクやCDなどのモーター用軸受として使われている。
(5)金属の粉末の大きさを調整して「気孔」のサイズを制御でき、これを応用して「フィルタ」を作ることができる。
(焼結部品試験片)
鉄系焼結部品を切削加工して洗浄試験用の試験片(外径82mm、内径34mm、厚さ21mm)を作成した。この試験片には、加工時に付着した切削油、防錆油、切削加工屑、塵芥等が付着していた。この焼結部品の試験片を用いて、炭化水素系洗浄液などによる洗浄、防錆剤溶液による皮膜形成、及び/又はHFC/HFEによるリンス等からなる洗浄試験を下記の実施例及び比較例に示すように実施し、本発明の焼結部品の洗浄方法を評価した。
以下の洗浄〜リンス工程を実施して、焼結部品試験片を洗浄した。
洗浄工程:超音波洗浄器(HONDA W−113、本多電子製)の洗浄槽に炭化水素系洗浄液としてNS100R(沸点166〜176℃の炭化水素系洗浄液、ジャパンエナジー製)を充填し、焼結部品の試験片を浸漬した。そして、周波数28kHzで超音波を照射しながら、30℃で60秒間洗浄を行った。
コーティング工程:JOMOエバプルーフP−950(ジャパンエナジー製)の防錆剤濃度が1.5重量%になるようにNS100Rに溶解して得た防錆剤溶液Pを調製した。洗浄工程を経た焼結部品試験片を洗浄槽から取り出して、前記防錆剤溶液Pを充填したコーティング槽に20℃にて20秒間浸漬して、試験片の金属表面に防錆剤の皮膜を被覆形成した。
リンス工程:上記洗浄工程で用いたものとは別個のものであるが、同じ型の超音波洗浄器(HONDA W−113)の洗浄槽にリンス剤として1,1,2,2−テトラフルオロエチル−2,2,2−トリフルオロエチルエーテル(HFE−1)を充填した。次いで、前記コーティング工程でコーティング処理した試験片を、周波数45kHzで超音波を照射しながら、47℃で20秒間浸漬して、試験片に付着している防錆剤溶液Pの溶媒(NS100R)を溶解除去して、HFE−1と置換した。
こうして得た試験片の洗浄性を(1)焼結部品表面の乾燥シミや付着粒子(以下、表面汚れという)と(2)焼結部品からの残渣油の滲み出し(以下、滲み出しという)の2点について、次の基準で評価した。
(1)表面汚れ:試験片表面を目視で観察して乾燥シミや付着粒子が、試験片を60℃の水系洗浄剤で洗浄後、100℃の熱風で乾燥して得た標準試験片より少ない場合を○、多い場合を×とした。
(2)滲み出し:常圧、40℃の雰囲気下に、試験片を横にして(円盤状の径方向を水平にして)濾紙の上に3時間静置後、試験片の下表面における油の滲み出しの有無を目視で観察して油の滲み出しが無い場合を○、滲み出しが有る場合を×と判断した。
評価結果を表1に示す。以降の実施例及び比較例においてもそれぞれ同様にして洗浄性を評価し、その結果を表1に示した。なお表1には実施例及び比較例それぞれの洗浄〜リンス工程の主な操作条件も示す。
リンス工程において、HFE−1のリンス槽に浸漬する前と後に、HFE−1の蒸気相に各20秒間静置した以外は、実施例1と同様にして実施した。
コーティング工程において、防錆剤溶液Pの防錆剤濃度を2.4重量%に変更した以外は実施例2と同様にして実施した。
コーティング工程において、防錆剤溶液Pを、JOMOエバプルーフP−3(ジャパンエナジー製)の防錆剤濃度が2.4重量%になるようにNS100Rに溶解して調製した防錆剤溶液Qに変更した以外は実施例3と同様にして実施した。
コーティング工程において、防錆剤溶液Pを、油溶性防錆防食剤BT−L(サンワ化成製)の濃度が2.4重量%になるようにNS100Rに溶解して調製した防錆剤溶液Rに変更した以外は実施例3と同様にして実施した。
洗浄工程での炭化水素系洗浄液にNS220(沸点209℃の炭化水素系洗浄液、ジャパンエナジー製)を、コーティング工程で油溶性防錆防食剤BT−L(サンワ化成製)の濃度を2.4重量%になるようにNS220に溶解して調製した防錆剤溶液Sを、リンス工程でのハイドロフルオロエーテルにノナフルオロブチルメチルエーテル(HFE−2)を使用し、リンス工程での浸漬温度を52℃に変更した以外は実施例1と同様にして実施した。
リンス工程において、HFE−2のリンス槽に浸漬する前と後に、HFE−2の蒸気相に20秒間静置した以外は、実施例6と同様にして実施した。
コーティング工程を行わなかった以外は実施例1と同じ条件で実施した。
コーティング工程を行わなかった以外は実施例2と同じ条件で実施した。
コーティング工程の、防錆剤溶液Pの防錆剤濃度を0.5重量%に変更した以外は実施例2と同じ条件で実施した。
コーティング工程の、防錆剤溶液Pの防錆剤濃度を15重量%に変更した以外は実施例2と同じ条件で実施した。
コーティング工程を行わなかった以外は実施例6と同じ条件で実施した。
コーティング工程を行わなかった以外は実施例7と同じ条件で実施した。
洗浄工程の、洗浄温度を60℃に変更し、かつ、コーティング工程を行わなかった以外は実施例6と同じ条件で実施した。
洗浄工程の、洗浄温度を60℃に変更し、かつ、コーティング工程を行わなかった以外は実施例7と同じ条件で実施した。
Claims (3)
- (A)焼結部品を炭化水素系洗浄液と接触させて洗浄する洗浄工程、
(B)次いでハイドロフルオロカーボン又はハイドロフルオロエーテルに溶解しない防錆剤を濃度が1〜10重量%となるように、炭化水素系溶剤、石油系溶剤、アルコール系溶剤、エーテル系溶剤、エステル系溶剤、グリコールエーテル系溶剤、ケトン系溶剤及びテルペン系溶剤から選ばれる少なくとも1種類の有機溶剤のみに均一に溶解して得た防錆剤溶液と接触させて焼結部品表面に防錆皮膜を形成するコーティング工程、及び
(C)次いでハイドロフルオロカーボン及び/又はハイドロフルオロエーテルと接触させて焼結部品に付着する炭化水素系洗浄液及び/又は有機溶剤を前記ハイドロフルオロカーボン及び/又はハイドロフルオロエーテルで置換するリンス工程
を含むことを特徴とする焼結部品の洗浄方法。 - 有機溶剤が、(i)炭素数が9〜12の飽和脂肪族炭化水素、炭素数が5〜10の一価アルコール及び炭素数が5〜10の酢酸エステルからなる洗浄液、(ii)初留点が200℃以上で終点が350℃以下の飽和脂肪族炭化水素と酢酸エステルからなる洗浄液、(iii)飽和脂肪族炭化水素を主成分とする洗浄剤、又は(vi)芳香族炭化水素を主成分とする洗浄剤である請求項1に記載の焼結部品の洗浄方法。
- ハイドロフルオロカーボン及びハイドロフルオロエーテルの沸点がいずれも30〜100℃である請求項1又は2に記載の焼結部品の洗浄方法。
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