EP3296382A1 - Aqueous lubricant, metal material, and metal processed articles - Google Patents
Aqueous lubricant, metal material, and metal processed articles Download PDFInfo
- Publication number
- EP3296382A1 EP3296382A1 EP16796270.3A EP16796270A EP3296382A1 EP 3296382 A1 EP3296382 A1 EP 3296382A1 EP 16796270 A EP16796270 A EP 16796270A EP 3296382 A1 EP3296382 A1 EP 3296382A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- acid
- water
- aqueous lubricant
- metal material
- salt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000314 lubricant Substances 0.000 title claims abstract description 88
- 239000007769 metal material Substances 0.000 title claims abstract description 47
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 19
- 239000002184 metal Substances 0.000 title claims abstract description 19
- -1 alkaline earth metal salt Chemical class 0.000 claims abstract description 60
- 239000002253 acid Substances 0.000 claims abstract description 46
- 239000011248 coating agent Substances 0.000 claims abstract description 46
- 238000000576 coating method Methods 0.000 claims abstract description 46
- 125000001931 aliphatic group Chemical group 0.000 claims abstract description 42
- 230000001050 lubricating effect Effects 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 27
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims abstract description 19
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 18
- 229920003023 plastic Polymers 0.000 claims abstract description 18
- 239000004033 plastic Substances 0.000 claims abstract description 16
- 150000001341 alkaline earth metal compounds Chemical class 0.000 claims abstract description 10
- 238000000465 moulding Methods 0.000 claims abstract description 8
- 229920005989 resin Polymers 0.000 claims description 24
- 239000011347 resin Substances 0.000 claims description 24
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 13
- 239000007787 solid Substances 0.000 claims description 13
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 6
- 239000011230 binding agent Substances 0.000 claims description 6
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 6
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 6
- 239000000920 calcium hydroxide Substances 0.000 claims description 6
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 6
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 6
- 239000003921 oil Substances 0.000 claims description 6
- 239000000344 soap Substances 0.000 claims description 6
- 239000002734 clay mineral Substances 0.000 claims description 5
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 claims description 5
- 229910000165 zinc phosphate Inorganic materials 0.000 claims description 5
- 239000010445 mica Substances 0.000 claims description 4
- 229910052618 mica group Inorganic materials 0.000 claims description 4
- 229910052582 BN Inorganic materials 0.000 claims description 3
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 3
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000004571 lime Substances 0.000 claims description 3
- QLOAVXSYZAJECW-UHFFFAOYSA-N methane;molecular fluorine Chemical compound C.FF QLOAVXSYZAJECW-UHFFFAOYSA-N 0.000 claims description 3
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims description 3
- ALRFTTOJSPMYSY-UHFFFAOYSA-N tin disulfide Chemical compound S=[Sn]=S ALRFTTOJSPMYSY-UHFFFAOYSA-N 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- ITRNXVSDJBHYNJ-UHFFFAOYSA-N tungsten disulfide Chemical compound S=[W]=S ITRNXVSDJBHYNJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 25
- 230000007774 longterm Effects 0.000 abstract description 13
- 238000005555 metalworking Methods 0.000 abstract description 9
- 238000011156 evaluation Methods 0.000 description 33
- 150000003839 salts Chemical class 0.000 description 20
- 238000012360 testing method Methods 0.000 description 18
- 229910000831 Steel Inorganic materials 0.000 description 16
- 238000000034 method Methods 0.000 description 16
- 239000010959 steel Substances 0.000 description 16
- 229920005862 polyol Polymers 0.000 description 15
- 150000003077 polyols Chemical class 0.000 description 15
- 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 13
- 230000000052 comparative effect Effects 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 11
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 9
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 9
- 238000001035 drying Methods 0.000 description 9
- 239000000178 monomer Substances 0.000 description 9
- 239000001993 wax Substances 0.000 description 9
- 238000010409 ironing Methods 0.000 description 8
- 238000007711 solidification Methods 0.000 description 8
- 230000008023 solidification Effects 0.000 description 8
- 238000005491 wire drawing Methods 0.000 description 8
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 7
- 229910052783 alkali metal Inorganic materials 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 7
- 239000003822 epoxy resin Substances 0.000 description 7
- 238000007654 immersion Methods 0.000 description 7
- 229920000647 polyepoxide Polymers 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 7
- 238000004062 sedimentation Methods 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 6
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 5
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 5
- JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 238000010790 dilution Methods 0.000 description 5
- 239000012895 dilution Substances 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 5
- 235000019198 oils Nutrition 0.000 description 5
- ARCGXLSVLAOJQL-UHFFFAOYSA-N trimellitic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 ARCGXLSVLAOJQL-UHFFFAOYSA-N 0.000 description 5
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 4
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 description 4
- 239000005069 Extreme pressure additive Substances 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 4
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 4
- 150000001342 alkaline earth metals Chemical group 0.000 description 4
- 125000000217 alkyl group Chemical group 0.000 description 4
- 150000003863 ammonium salts Chemical class 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 4
- 238000005461 lubrication Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 4
- YPFDHNVEDLHUCE-UHFFFAOYSA-N propane-1,3-diol Chemical compound OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 4
- 239000011241 protective layer Substances 0.000 description 4
- CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical compound OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 description 4
- 239000006254 rheological additive Substances 0.000 description 4
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- TYFQFVWCELRYAO-UHFFFAOYSA-N suberic acid Chemical compound OC(=O)CCCCCCC(O)=O TYFQFVWCELRYAO-UHFFFAOYSA-N 0.000 description 4
- 239000004094 surface-active agent Substances 0.000 description 4
- 239000004034 viscosity adjusting agent Substances 0.000 description 4
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 3
- 229920000178 Acrylic resin Polymers 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 3
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 239000004721 Polyphenylene oxide Substances 0.000 description 3
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 235000010338 boric acid Nutrition 0.000 description 3
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical class OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 3
- 239000001095 magnesium carbonate Substances 0.000 description 3
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 3
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 3
- 239000003002 pH adjusting agent Substances 0.000 description 3
- 229920001568 phenolic resin Polymers 0.000 description 3
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- 229920000570 polyether Polymers 0.000 description 3
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- 239000005056 polyisocyanate Substances 0.000 description 3
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- 229920000642 polymer Polymers 0.000 description 3
- 150000007519 polyprotic acids Polymers 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 3
- 159000000000 sodium salts Chemical class 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical class OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid group Chemical class S(O)(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- FKTHNVSLHLHISI-UHFFFAOYSA-N 1,2-bis(isocyanatomethyl)benzene Chemical class O=C=NCC1=CC=CC=C1CN=C=O FKTHNVSLHLHISI-UHFFFAOYSA-N 0.000 description 2
- 229940058015 1,3-butylene glycol Drugs 0.000 description 2
- YHFGMFYKZBWPRW-UHFFFAOYSA-N 3-methylpentane-1,1-diol Chemical compound CCC(C)CC(O)O YHFGMFYKZBWPRW-UHFFFAOYSA-N 0.000 description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 2
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- KWLMIXQRALPRBC-UHFFFAOYSA-L hectorite Chemical compound [Li+].[OH-].[OH-].[Na+].[Mg+2].O1[Si]2([O-])O[Si]1([O-])O[Si]([O-])(O1)O[Si]1([O-])O2 KWLMIXQRALPRBC-UHFFFAOYSA-L 0.000 description 2
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- 159000000002 lithium salts Chemical class 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
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- KHYKFSXXGRUKRE-UHFFFAOYSA-J molybdenum(4+) tetracarbamodithioate Chemical compound C(N)([S-])=S.[Mo+4].C(N)([S-])=S.C(N)([S-])=S.C(N)([S-])=S KHYKFSXXGRUKRE-UHFFFAOYSA-J 0.000 description 2
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 2
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- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 238000005554 pickling Methods 0.000 description 2
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- 125000005624 silicic acid group Chemical class 0.000 description 2
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- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 1
- UFDHBDMSHIXOKF-UHFFFAOYSA-N tetrahydrophthalic acid Natural products OC(=O)C1=C(C(O)=O)CCCC1 UFDHBDMSHIXOKF-UHFFFAOYSA-N 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
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- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 1
- RUELTTOHQODFPA-UHFFFAOYSA-N toluene 2,6-diisocyanate Chemical compound CC1=C(N=C=O)C=CC=C1N=C=O RUELTTOHQODFPA-UHFFFAOYSA-N 0.000 description 1
- RIUWBIIVUYSTCN-UHFFFAOYSA-N trilithium borate Chemical compound [Li+].[Li+].[Li+].[O-]B([O-])[O-] RIUWBIIVUYSTCN-UHFFFAOYSA-N 0.000 description 1
- 125000005590 trimellitic acid group Chemical group 0.000 description 1
- WUUHFRRPHJEEKV-UHFFFAOYSA-N tripotassium borate Chemical compound [K+].[K+].[K+].[O-]B([O-])[O-] WUUHFRRPHJEEKV-UHFFFAOYSA-N 0.000 description 1
- BSVBQGMMJUBVOD-UHFFFAOYSA-N trisodium borate Chemical compound [Na+].[Na+].[Na+].[O-]B([O-])[O-] BSVBQGMMJUBVOD-UHFFFAOYSA-N 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- CMPGARWFYBADJI-UHFFFAOYSA-L tungstic acid Chemical compound O[W](O)(=O)=O CMPGARWFYBADJI-UHFFFAOYSA-L 0.000 description 1
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- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
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- 125000002256 xylenyl group Chemical class C1(C(C=CC=C1)C)(C)* 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Images
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- C—CHEMISTRY; METALLURGY
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
- C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
- C10M105/22—Carboxylic acids or their salts
- C10M105/26—Carboxylic acids or their salts having more than one carboxyl group bound to an acyclic carbon atom or cycloaliphatic carbon atom
-
- 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
- C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
- C10M125/02—Carbon; Graphite
-
- 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
- C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
- C10M125/10—Metal oxides, hydroxides, carbonates or bicarbonates
-
- 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
- C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
- C10M125/18—Compounds containing halogen
-
- 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
- C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
- C10M125/22—Compounds containing sulfur, selenium or tellurium
-
- 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
- C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
- C10M125/24—Compounds containing phosphorus, arsenic or antimony
-
- 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
- C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
- C10M125/26—Compounds containing silicon or boron, e.g. silica, sand
-
- 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
- C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
- C10M125/26—Compounds containing silicon or boron, e.g. silica, sand
- C10M125/30—Clay
-
- 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
- C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
- C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
- C10M129/26—Carboxylic acids; Salts thereof
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Definitions
- the present invention relates to an aqueous lubricant for metal material plastic working, a metal material having a lubricating coating formed by the aqueous lubricant on/over a surface of the metal material, and a metal processed article obtained by molding the metal material.
- a water-soluble lubricant for plastic working containing at least an alkaline earth metal salt of aliphatic monocarboxylic acid having 1 to 4 carbon atoms, an alkaline earth metal salt of aliphatic dicarboxylic acid having 2 to 4 carbon atoms, or an alkaline earth metal salt of aliphatic carboxylic acid having 2 to 4 carbon atoms with 1 to 2 hydroxyl groups has been proposed.
- a water-soluble lubricant for plastic working having excellent lubricity, which does not cause precipitation solidification and further does not cause surface roughening or abrasion of a tool, can be provided.
- Patent Literature 1 JP 2009-132885 A
- an object of the present invention is to provide an aqueous lubricant for metal material plastic working that can form a lubricating coating having excellent lubricity (moisture absorption resistance) under a high humidity environment, seizure resistance to metal working with high difficulty, and the like, and further has excellent long-term agent stability; a metal material having a lubricating coating formed by the aqueous lubricant on/over a surface of the metal material; and a metal processed article obtained by molding the metal material.
- an aqueous lubricant in which an aliphatic polycarboxylic acid having 5 or more and 8 or less carbon atoms and a solubility in water at 20°C of 10 g/100 mL or more and an alkaline earth metal compound are blended in water, can form a lubricating coating having excellent lubricity (moisture absorption resistance) under a high humidity environment, seizure resistance to metal working with high difficulty, and the like, and further has excellent long-term agent stability, and thus have completed the present invention.
- an aqueous lubricant for metal material plastic working that can form a lubricating coating having excellent lubricity (moisture absorption resistance) under a high humidity environment, seizure resistance to metal working with high difficulty, and the like, and further has excellent long-term agent stability; a metal material having a lubricating coating formed by the aqueous lubricant on/over a surface of the metal material; and a metal processed article obtained by molding the metal material can be provided.
- Fig. 1 is a drawing showing the evaluation criteria on seizure degree of the test pieces to which a ball ironing process in the upsetting-ball ironing tribo-type friction test method is performed in Examples of the present invention.
- the aqueous lubricant according to the present invention has excellent long-term agent stability, and can form a lubricating coating having excellent lubricity (moisture absorption resistance) under a high humidity environment, seizure resistance to metal working with high difficulty, and the like, therefore, is useful for plastic working of a metal material.
- long-term agent stability in the present specification means that as a highly concentrated lubricant before dilution, a state in which sedimentation components are not substantially generated at 40°C for one month or more is maintained, or that as a dilute lubricant (having a practical use concentration) obtained by diluting a highly concentrated lubricant in order to form a lubricating coating on/over a metal material, a state in which sedimentation components are not substantially generated at a practical use temperature for one month or more is maintained.
- the metal material for plastic working to which the aqueous lubricant according to the present invention is applied for example, iron, iron and steel, stainless steel, aluminum, magnesium, copper, titanium, and the like can be mentioned.
- the shape of the metal material varies depending on the application, and for example, a shape of a sheet, a bar wire, a tube, a slab, or the like can be mentioned, but the shape is not limited thereto.
- the aqueous lubricant according to the present invention is not particularly limited as long as being an aqueous lubricant in which an aliphatic polycarboxylic acid having 5 or more and 8 or less carbon atoms and a solubility in water at 20°C of 10 g/100 mL or more (hereinafter, simply referred to as "aliphatic polycarboxylic acid”) and an alkaline earth metal compound are blended in water, or an alkaline earth metal salt of the aliphatic polycarboxylic acid is dissolved and/or dispersed in water; and the aqueous lubricant, as needed, may contain an additive agent such as an organic lubricant, a binder component, and a solid lubricant, a liquid conditioning component such as a rheology modifier, a surfactant, and a pH adjusting agent, and the like.
- the expression "aliphatic polycarboxylic acid” means an aliphatic compound having 2 or more carboxyl groups in the
- an alkaline earth metal salt of aliphatic polycarboxylic acid can be obtained by adding and blending an alkaline earth metal compound in an aqueous solution in which aliphatic polycarboxylic acid has been dissolved in advance.
- the aliphatic polycarboxylic acid, or the aliphatic polycarboxylic acid in an alkaline earth metal salt is not particularly limited as long as having 5 to 8 carbon atoms and a solubility in water at 20°C of 10 g/100 mL or more, and for example, glutaric acid, citric acid, diacetyl-D-tartaric acid, diacetyl-L-tartaric acid, or the like can be used.
- the reason why the number of carbon atoms is limited to 5 or more is because in the aliphatic polycarboxylic acid having 4 or less carbon atoms, or an alkaline earth metal salt of the aliphatic polycarboxylic acid, the long-term agent stability is poor, and a lubricating coating having excellent lubricity (moisture absorption resistance) under a high humidity environment, seizure resistance to metal working with high difficulty, and the like cannot be obtained.
- the reason why the number of carbon atoms is limited to 8 or less is because in the aliphatic polycarboxylic acid having 9 or more carbon atoms, or an alkaline earth metal salt of the aliphatic polycarboxylic acid, precipitation solidification is generated and an aqueous lubricant cannot be prepared.
- solubility in water at 20°C is limited to 10 g/100 mL or more is because also in the aliphatic polycarboxylic acid having a solubility in water at 20°C of less than 10 g/100 mL, or an alkaline earth metal salt of the aliphatic polycarboxylic acid, precipitation solidification is generated as in the aliphatic polycarboxylic acid having 9 or more carbon atoms or an alkaline earth metal salt of the aliphatic polycarboxylic acid, and an aqueous lubricant cannot be prepared.
- the alkaline earth metal compound is not particularly limited as long as being a compound of beryllium, magnesium, calcium, strontium, barium, or radium, and for example, a magnesium compound such as magnesium carbonate, magnesium hydroxide, and magnesium oxide; a calcium compound such as calcium carbonate, calcium hydroxide, and calcium oxide; or the like can be used. Among them, from the point of being excellent in the reactivity with the aliphatic polycarboxylic acid, magnesium carbonate, or calcium carbonate is preferably used.
- the aqueous lubricant according to the present invention can be produced, for example, by adding predetermined aliphatic polycarboxylic acid and alkaline earth metal compound in water, or by dissolving and/or dispersing an alkaline earth metal salt of the predetermined aliphatic polycarboxylic acid in water, and then by adding an additive agent as needed, but the method is not limited to such a method. Further, after production of an aqueous lubricant, the pH of the aqueous lubricant may be adjusted to 7 or more by using a pH adjusting agent. As the pH adjusting agent, for example, an alkali component such as sodium hydroxide, or calcium hydroxide can be used.
- the blending amount in a case of adding aliphatic polycarboxylic acid and an alkaline earth metal compound in water is not particularly limited, and is preferably within the range of 1 : 0.2 or more and 1 : less than 8, and more preferably within the range of 1 : 0.5 or more and 1 : less than 2 in terms of a molar ratio of the aliphatic polycarboxylic acid to the alkaline earth metal compound.
- organic lubricant for example, a supplementary component for lubrication such as an oil, a soap, a wax, an amino acid compound having a layered structure, an organic modified clay mineral, and an extreme-pressure agent can be mentioned.
- oil used as the supplementary component for lubrication for example, vegetable oil, synthetic oil, mineral oil, or the like can be used, and more specifically, palm oil, castor oil, rapeseed oil, machine oil, turbine oil, ester oil, silicone oil or the like can be used.
- the soap is, for example, a metal salt of fatty acid or the like, and more specifically, a metal salt of saturated or unsaturated fatty acid having 8 to 22 carbon atoms such as octanoic acid, decanoic acid, lauric acid, myristic acid, palmitic acid, icosanoic acid, oleic acid, and stearic acid can be mentioned.
- a metal salt for example, in addition to an alkali metal salt such as a sodium salt, and a potassium salt, a polyvalent metal salt such as a calcium salt, a zinc salt, a magnesium salt, and a barium salt, and the like can be mentioned.
- the wax examples include polyethylene wax, polypropylene wax, carnauba wax, paraffin wax, and polytetrafluoroethylene.
- polytetrafluoroethylene for example, polytetrafluoroethylene having a polymerization degree of around 1,000,000 to 10,000,000, and the like can be mentioned.
- an amino acid compound having a layered structure which is amino acid with a hydrocarbon group having 11 or more carbon atoms or a derivative of the amino acid
- a lubricating material exhibiting lubricity such as an organic modified clay mineral in which at least one inorganic cation in the clay mineral is ion-exchanged with an organic cation
- Various kinds of waxes and a lubricating material may be used alone or in combination of two or more kinds thereof.
- the extreme-pressure agent examples include a sulfur-based extreme-pressure additive, an organic molybdenum-based extreme-pressure additive, a phosphorus-based extreme-pressure additive, and a chlorine-based extreme-pressure additive. More specific examples of the extreme-pressure agent include melamine cyanurate, olefin sulfide, ester sulfide, sulfite, thiocarbonate, chlorinated fatty acid, phosphoric acid ester, phosphorous acid ester, molybdenum dithiocarbamate (MoDTC), molybdenum dithiophosphate (MoDTP), and zinc dithiophosphate (ZnDTP). These extreme-pressure agents may be used alone or in combination of two or more kinds thereof.
- binder component for example, a water-soluble inorganic acid salt, a water-soluble organic acid salt, a water-dispersible or water-soluble resin, or the like can be used. These may be used alone or in combination of two or more kinds thereof.
- water-soluble in the present specification and claims means that the amount to be dissolved in 100 ml of water at 20°C exceeds 0.1 g.
- an acid salt such as a salt of sulfuric acids, a salt of boric acids, a salt of phosphoric acids, a salt of tungstic acids, and a salt of silicic acids
- the salt constituting these acid salts for example, an alkali metal salt (sodium salt, potassium salt, lithium salt, or the like), an ammonium salt, an amine salt (ethylamine salt, or the like), an alkanolamine salt (monoethanolamine salt, diethanolamine salt, or the like) and the like can be mentioned, and it is preferred to be an alkali metal salt, or an ammonium salt.
- water-soluble inorganic acid salt examples include sodium sulfate, potassium sulfate, lithium borate (lithium tetraborate, or the like), sodium borate (sodium tetraborate, or the like), potassium borate (potassium tetraborate, or the like), a diethanolamine salt of boric acid, sodium silicate, potassium silicate, lithium silicate, sodium metasilicate, sodium phosphate, potassium phosphate, sodium tripolyphosphate, lithium tungstate, sodium tungstate, and potassium tungstate.
- a salt represented by the general formula M 2 O ⁇ nSiO 2 (in the formula, n represents a number from 1 to 9, and M represents Na, K, Li, or NH 4 ) can be mentioned.
- These water-soluble inorganic acid salts may be used alone or in combination of two or more kinds thereof.
- water-soluble organic acid salt for example, a polycarboxylic acid salt having 3 to 6 carbon atoms, which may have a hydroxyl group, and the like can be mentioned, and it is preferred to use at least one kind selected from a malic acid salt, a succinic acid salt, a glutaric acid salt, a citric acid salt, and a tartaric acid salt.
- an alkali metal salt sodium salt, potassium salt, lithium salt, or the like
- an ammonium salt an amine salt (ethylamine salt, or the like)
- an alkanolamine salt monoethanolamine salt, diethanolamine salt, or the like
- the water-soluble organic acid salt include sodium malate, potassium malate, lithium malate, sodium succinate, potassium succinate, lithium succinate, sodium citrate, potassium citrate, lithium citrate, sodium glutarate, potassium glutarate, lithium glutarate, sodium tartrate, potassium tartrate, and lithium tartrate.
- These water-soluble organic acid salts may be used alone or in combination of two or more kinds thereof.
- the water-dispersible or water-soluble resin is not particularly limited as long as having coat-forming properties, and for example, a water-soluble or water-dispersible resin such as an acrylic resin, a phenolic resin, a urethane-based resin, an epoxy-based resin, a polyester-based resin, and an isobutylene-based resin can be mentioned. These water-dispersible or water-soluble resins may be used alone or in combination of two or more kinds thereof.
- the acrylic resin is not particularly limited as long as being obtained by polymerizing at least one kind of acrylic monomers.
- the acrylic resin a copolymer of at least one kind of the acrylic monomers and at least one kind of other ethylenic monomers (e.g., styrene, methyl styrene, vinyl acetate, vinyl chloride, vinyl toluene, ethylene) which contains 30% by mole or more of acrylic monomer units is also included.
- ethylenic monomers e.g., styrene, methyl styrene, vinyl acetate, vinyl chloride, vinyl toluene, ethylene
- phenolic resin for example, a phenolic resin obtained by the reaction of at least one kind of phenols such as phenol, cresol, or xylenol with formaldehyde can be mentioned, and any one of a novolak-type resin and a resol-type resin may be used.
- a novolak-type resin it is preferred that hexamethylenetetramine or the like coexists with the novolak-type resin as a curing agent.
- the urethane-based resin is not particularly limited as long as being a synthetic resin having a urethane bond (NHCOO), and a known urethane-based resin can be used.
- a synthetic resin having a urethane bond (NHCOO)
- a known urethane-based resin can be used.
- one obtained by the polyaddition reaction of a polyisocyanate compound having 2 or more isocyanate groups with a polyol having 2 or more active hydrogen groups can be mentioned.
- the polyol for example, a polyester polyol, a polyether polyol, and the like can be mentioned.
- polyester polyol for example, a polyester compound having a hydroxyl group at the terminal, which is obtained by the reaction of a polyol with a low molecular weight (molecular weight of 1000 or less) such as ethylene glycol, diethylene glycol, triethylene glycol, 1,2-propylene glycol, 1,3-propylene glycol, neopentyl glycol, 1,2-butylene glycol, 1,3-butylene glycol, 1,4-butylene glycol, 3-methylpentanediol, hexamethylene glycol, bisphenol A, hydrogenated bisphenol A, trimethylolpropane, and glycerin with a polybasic acid such as succinic acid, glutaric acid, adipic acid, sebacic acid, phthalic acid, isophthalic acid, terephthalic acid, trimellitic acid, tetrahydrophthalic acid, endomethylene tetrahydrophthalic acid, and hexahydrophthalic acid
- polyether polyol for example, a polyol with a low molecular weight (having a molecular weight of 1000 or less) such as ethylene glycol, diethylene glycol, triethylene glycol, 1,2-propylene glycol, 1,3-propylene glycol, neopentyl glycol, 1,2-butylene glycol, 1,3-butylene glycol, 1,4-butylene glycol, 3-methylpentanediol, hexamethylene glycol, bisphenol A, hydrogenated bisphenol A, trimethylolpropane, and glycerin, or an ethylene oxide and/or propylene oxide high adducts (2 adducts or more) thereof; a polyether polyol such as polyethylene glycol, polypropylene glycol, and polyethylene/propylene glycol; a polycaprolactone polyol; a polyolefin polyol; a polybutadiene polyol; and the like can be mentioned.
- polyisocyanate compound for example, an aliphatic, alicyclic, or aromatic polyisocyanate can be mentioned.
- a bisphenol-type epoxy resin such as a bisphenol A type epoxy resin obtained by reacting bisphenols, in particular, a bisphenol A (2,2-bis(4'-hydroxyphenyl)propane) with epichlorohydrin
- a novolac type epoxy resin obtained by glycidyl etherification of a phenolic hydroxyl group of a phenol novolak resin, glycidyl ester of aromatic carboxylic acid, a peroxy acid epoxy type epoxy resin obtained by epoxidizing double bond of ethylenically unsaturated compound with peroxy acid, and the like can be mentioned.
- polyester resin for example, a condensation resin obtained by condensing a polybasic acid such as maleic acid, fumaric acid, itaconic acid, succinic acid, glutaric acid, suberic acid, adipic acid, azelaic acid, sebacic acid, dimer acid, trimer acid, isophthalic acid, terephthalic acid, trimellitic acid, trimesic acid, pyromellitic acid, and naphthalene dicarboxylic acid with a polyol such as ethylene glycol, diethylene glycol, trimethylol propane, neopentyl glycol, 1,4-CHDM (cyclohexane dimethanol), and 1,6-hexanediol; a condensation resin obtained by condensing the above-described polybasic acid with a polyol such as a polymer polyol, a polycaprolactone polyol, a polycarbonate diol, a polybutadiene polyol,
- a water-based resin obtained by using a monomer having 3 or more carboxyl groups such as trimellitic acid or pyromellitic acid as a part of the monomer, neutralizing the unreacted carboxylic acid with an alkali to thereby be solubilized or water-dispersed, or a water-based resin obtained by using a sulfonated monomer such as sulfophthalic acid as a part of the monomer to thereby be solubilized or water-dispersed can also be used.
- the isobutylene-based resin for example, a copolymer of isobutylene and maleic anhydride, and the like can be mentioned.
- one obtained by ammonia-modifying or imidizing the maleic anhydride moiety of the copolymer can also be mentioned, however, from the viewpoint of the coat-forming properties, it is preferred to use the one having a number average molecular weight of 10,000 or more (measurement value by GPC (gel permeation chromatography) method).
- solid lubricant including one in a powder form
- zinc phosphate zinc oxide, titanium dioxide, mica, molybdenum disulfide, tungsten disulfide, tin disulfide, graphite fluoride, graphite, boron nitride, calcium hydroxide, calcium carbonate, lime, calcium sulfate, barium sulfate, and the like
- molybdenum disulfide tungsten disulfide
- tin disulfide graphite fluoride
- graphite graphite fluoride
- boron nitride calcium hydroxide
- calcium carbonate lime
- calcium sulfate calcium sulfate
- barium sulfate barium sulfate
- an aqueous polymer for example, an aqueous polymer, an inorganic viscosity modifier, and the like can be mentioned.
- aqueous polymer for example, hydroxyethyl cellulose, carboxymethyl cellulose, polyacrylic acid amide, sodium polyacrylate, sulfonic acid-modified sodium polyacrylate, polyvinyl pyrrolidone, polyvinyl alcohol, and the like can be mentioned.
- the inorganic viscosity modifier for example, silica, bentonite, kaolin, mica, montmorillonite, hectorite, and the like can be mentioned.
- the inorganic viscosity modifier may be a natural product or a synthetic product.
- rheology modifier may be used alone or in combination of two or more kinds thereof.
- a rheology modifier into the aqueous lubricant according to the present invention, the components dispersed in the aqueous lubricant can be stabilized, and further, improvement of the coating properties (for example, liquid viscosity) to a metal material can be achieved.
- a nonionic surfactant for example, a nonionic surfactant, an anionic surfactant, an amphoteric surfactant, a cationic surfactant, and the like can be mentioned, and the surfactant may be appropriately selected depending on the molecular structure, hydrophilic-lipophilic balance (HLB), and the like as needed. These may be used alone or in combination of two or more kinds thereof.
- HLB hydrophilic-lipophilic balance
- the metal processed article according to the present invention can be obtained by molding the metal material.
- the molding method a method, in which the metal material according to the present invention is molded by heat, pressure, mechanical force, or the like using a metal mold, a tool or the like, can be mentioned.
- the metal material according to the present invention can be obtained by forming a lubricating coating on/over a surface of the metal material by the aqueous lubricant.
- the metal material can be produced by a method including a step of bringing the aqueous lubricant into contact with a surface of the metal material, followed by a step of drying the surface of the metal material with which the aqueous lubricant has brought into contact. Further, before performing the step of bringing the aqueous lubricant into contact with a surface, the surface may be cleaned by performing all or a part of pretreatments of washing (usually using an alkaline cleaner), water-rinsing after the washing, descaling (shot blasting or pickling with hydrochloric acid or the like), water-rinsing after the descaling, and the like on a surface of a target metal material.
- pretreatments of washing usually using an alkaline cleaner
- water-rinsing after the washing descaling (shot blasting or pickling with hydrochloric acid or the like)
- water-rinsing after the descaling and the like on a surface of a target metal material.
- the subsequent step step of bringing the aqueous lubricant into contact
- a favorable lubricity coating can be obtained.
- the descaling and the water-rinsing after the descaling may be omitted.
- chemical conversion treatment for example, iron phosphate conversion treatment, zinc phosphate conversion treatment, zinc phosphate calcium conversion treatment, iron oxalate conversion treatment, aluminum fluoride conversion treatment, zirconium oxide conversion treatment, and the like can be mentioned.
- the surface preparation for example, a method in which a surface preparation agent containing an alkali metal salt of boric acid, silicic acid, sulfuric acid, phosphoric acid, or tungstic acid is brought into contact with a surface and drying the surface, a method in which a solid lubricant is mechanically coated by a projective technique such as blasting, and the like can be mentioned.
- the method for bringing the aqueous lubricant or surface preparation agent into contact with a surface for example, a known method of immersion, spraying, flowing, brushing, or the like can be applied.
- the contact time is not particularly limited.
- the drying of the metal material surface with which the aqueous lubricant or the surface preparation agent has brought into contact can be performed by a known method, for example, heat drying, air drying, or the like.
- the drying temperature and time are not particularly limited, but it is preferred that the drying is performed at a peak metal temperature of 60°C to 150°C for around 10 seconds to 60 minutes.
- the mass of a lubricating coating formed by the aqueous lubricant according to the present invention may be appropriately adjusted depending on the application of the form of working, the degree of difficulty, and the like, and from the viewpoint of preventing the seizure, the mass is usually in the dry coating within the range of preferably 1 g/m 2 or more, and more preferably 3 to 50 g/m 2 .
- the aqueous lubricant of the present invention may also be applied not only on/over the metal material surface but also on/over a surface of a metal mold in addition to the metal material surface. Note that in the lubricating coating, it is presumed that the aliphatic polycarboxylic acid and the alkaline earth metal form a salt.
- the alkaline earth is contained in the dried lubricating coating preferably at a solid content ratio of 1% by mass or more, and from the viewpoint of improving the seizure resistance, is contained more preferably at a solid content ratio of 5% by mass or more, and particularly preferably at a solid content ratio of 10% by mass or more.
- the mass of the alkaline earth metal existed in the dried lubricating coating can be calculated by measuring the metal material having the lubricating coating with fluorescent X-rays.
- a protective layer may be formed as the upper layer of the lubricating coating formed by the aqueous lubricant according to the present invention for the purpose of compensating the lubricity and the rust prevention.
- the component used for forming the protective layer an oil, a soap, a metal soap, a wax, and the like can be mentioned, and among them, one kind or two or more kinds thereof may be used.
- the protective layer can be formed by applying these components. Further, the protective layer may be constituted in a form of a composite layer holding the above components in a binder component.
- Formation of a lubricating coating on a test piece for evaluation of plastic working performance using each aqueous lubricant of Examples 1 to 29 and Comparative Examples 1 to 8 was performed by dip coating the test piece in various aqueous lubricants, and then drying the test piece. Further, the solid content concentration and dip coating time of various aqueous lubricants were appropriately adjusted so that the coating amount to be formed is around 5 g/m 2 .
- Comparative Example 3 in which an alkaline earth metal had been used without using aliphatic polycarboxylic acid, being outside the range of the present invention, the level of the long-term agent stability did not reach a practical level. Further, in Comparative Examples 4, 5, and 6 in which the carbon number of aliphatic polycarboxylic acid was outside the range of the present invention, the level was not a practical level in the seizure resistance, the moisture absorption resistance, and the corrosion resistance. Furthermore, in Comparative Example 6, the level of also the long-term agent stability did not reach a practical level.
- Comparative Example 7 in which the solubility in water of aliphatic polycarboxylic acid was outside the range of the present invention, and in Comparative Example 8 in which the carbon number and solubility in water of aliphatic polycarboxylic acid were outside the ranges of the present invention, the alkaline earth metal salt of aliphatic polycarboxylic acid could not be formed, and an aqueous lubricant could not be prepared in any of Comparative Examples 7 and 8.
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Abstract
Description
- The present invention relates to an aqueous lubricant for metal material plastic working, a metal material having a lubricating coating formed by the aqueous lubricant on/over a surface of the metal material, and a metal processed article obtained by molding the metal material.
- In plastic working such as wire drawing, tube drawing, plate press, heading, and forging, in order to facilitate the working into a desired shape and further to suppress the occurrence of seizure, a lubricating coating is formed at the friction interface between a metal mold and a workpiece. In recent years, a technique that can form this lubricating coating with one solution has been proposed. For example, in Patent Literature 1, a water-soluble lubricant for plastic working containing at least an alkaline earth metal salt of aliphatic monocarboxylic acid having 1 to 4 carbon atoms, an alkaline earth metal salt of aliphatic dicarboxylic acid having 2 to 4 carbon atoms, or an alkaline earth metal salt of aliphatic carboxylic acid having 2 to 4 carbon atoms with 1 to 2 hydroxyl groups has been proposed. According to this technique, a water-soluble lubricant for plastic working having excellent lubricity, which does not cause precipitation solidification and further does not cause surface roughening or abrasion of a tool, can be provided.
- Patent Literature 1:
JP 2009-132885 A - However, with a lubricating coating formed by the lubricant that has been proposed in Patent Literature 1, the lubricity (moisture absorption resistance) under a high humidity environment is not sufficient, and further, the sufficient seizure resistance cannot be obtained in metal working with high difficulty. Accordingly, an object of the present invention is to provide an aqueous lubricant for metal material plastic working that can form a lubricating coating having excellent lubricity (moisture absorption resistance) under a high humidity environment, seizure resistance to metal working with high difficulty, and the like, and further has excellent long-term agent stability; a metal material having a lubricating coating formed by the aqueous lubricant on/over a surface of the metal material; and a metal processed article obtained by molding the metal material.
- As a result of the intensive studies to solve the problems described above, the present inventors have found that an aqueous lubricant, in which an aliphatic polycarboxylic acid having 5 or more and 8 or less carbon atoms and a solubility in water at 20°C of 10 g/100 mL or more and an alkaline earth metal compound are blended in water, can form a lubricating coating having excellent lubricity (moisture absorption resistance) under a high humidity environment, seizure resistance to metal working with high difficulty, and the like, and further has excellent long-term agent stability, and thus have completed the present invention.
- That is, the present invention is
- (1) an aqueous lubricant for metal material plastic working, in which an aliphatic polycarboxylic acid having 5 to 8 carbon atoms and a solubility in water at 20°C of 10 g/100 mL or more and an alkaline earth metal compound are blended in water, or an alkaline earth metal salt of the aliphatic polycarboxylic acid is dissolved and/or dispersed in water;
- (2) the aqueous lubricant described in the above (1), which further contains at least one kind of organic lubricants selected from an oil, a soap, a wax, an amino acid compound having a layered structure, an organic modified clay mineral, and an extreme-pressure agent;
- (3) the aqueous lubricant described in the above (1) or (2), which contains, as a binder component, at least one kind selected from a water-soluble inorganic acid salt, a water-soluble organic acid salt, and a water-dispersible or water-soluble resin;
- (4) the aqueous lubricant described in any one of the above (1) to (3), which further contains at least one kind of solid lubricants selected from zinc phosphate, zinc oxide, titanium dioxide, mica, molybdenum disulfide, tungsten disulfide, tin disulfide, graphite fluoride, graphite, boron nitride, calcium hydroxide, calcium carbonate, lime, calcium sulfate, and barium sulfate;
- (5) the aqueous lubricant described in any one of the above (1) to (4), in which the aliphatic polycarboxylic acid is citric acid;
- (6) a metal material having a lubricating coating formed by the aqueous lubricant described in any one of the above (1) to (5) on/over a surface of the metal material;
- (7) a metal processed article obtained by molding the metal material described in the above (6);
and the like. - According to the present invention, an aqueous lubricant for metal material plastic working that can form a lubricating coating having excellent lubricity (moisture absorption resistance) under a high humidity environment, seizure resistance to metal working with high difficulty, and the like, and further has excellent long-term agent stability; a metal material having a lubricating coating formed by the aqueous lubricant on/over a surface of the metal material; and a metal processed article obtained by molding the metal material can be provided.
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Fig. 1 is a drawing showing the evaluation criteria on seizure degree of the test pieces to which a ball ironing process in the upsetting-ball ironing tribo-type friction test method is performed in Examples of the present invention. - Hereinafter, the present invention will be described in detail. Note that the embodiments described below are merely an example, and the present invention is not limited to the present embodiments.
- The aqueous lubricant according to the present invention has excellent long-term agent stability, and can form a lubricating coating having excellent lubricity (moisture absorption resistance) under a high humidity environment, seizure resistance to metal working with high difficulty, and the like, therefore, is useful for plastic working of a metal material. Herein, the expression "long-term agent stability" in the present specification means that as a highly concentrated lubricant before dilution, a state in which sedimentation components are not substantially generated at 40°C for one month or more is maintained, or that as a dilute lubricant (having a practical use concentration) obtained by diluting a highly concentrated lubricant in order to form a lubricating coating on/over a metal material, a state in which sedimentation components are not substantially generated at a practical use temperature for one month or more is maintained.
- As the metal material for plastic working to which the aqueous lubricant according to the present invention is applied, for example, iron, iron and steel, stainless steel, aluminum, magnesium, copper, titanium, and the like can be mentioned. The shape of the metal material varies depending on the application, and for example, a shape of a sheet, a bar wire, a tube, a slab, or the like can be mentioned, but the shape is not limited thereto.
- The aqueous lubricant according to the present invention is not particularly limited as long as being an aqueous lubricant in which an aliphatic polycarboxylic acid having 5 or more and 8 or less carbon atoms and a solubility in water at 20°C of 10 g/100 mL or more (hereinafter, simply referred to as "aliphatic polycarboxylic acid") and an alkaline earth metal compound are blended in water, or an alkaline earth metal salt of the aliphatic polycarboxylic acid is dissolved and/or dispersed in water; and the aqueous lubricant, as needed, may contain an additive agent such as an organic lubricant, a binder component, and a solid lubricant, a liquid conditioning component such as a rheology modifier, a surfactant, and a pH adjusting agent, and the like. Herein, the expression "aliphatic polycarboxylic acid" means an aliphatic compound having 2 or more carboxyl groups in the molecule.
- As to the alkaline earth metal salt of aliphatic polycarboxylic acid, for example, an alkaline earth metal salt of aliphatic polycarboxylic acid can be obtained by adding and blending an alkaline earth metal compound in an aqueous solution in which aliphatic polycarboxylic acid has been dissolved in advance.
- The aliphatic polycarboxylic acid, or the aliphatic polycarboxylic acid in an alkaline earth metal salt is not particularly limited as long as having 5 to 8 carbon atoms and a solubility in water at 20°C of 10 g/100 mL or more, and for example, glutaric acid, citric acid, diacetyl-D-tartaric acid, diacetyl-L-tartaric acid, or the like can be used. Here, the reason why the number of carbon atoms is limited to 5 or more is because in the aliphatic polycarboxylic acid having 4 or less carbon atoms, or an alkaline earth metal salt of the aliphatic polycarboxylic acid, the long-term agent stability is poor, and a lubricating coating having excellent lubricity (moisture absorption resistance) under a high humidity environment, seizure resistance to metal working with high difficulty, and the like cannot be obtained. On the other hand, the reason why the number of carbon atoms is limited to 8 or less is because in the aliphatic polycarboxylic acid having 9 or more carbon atoms, or an alkaline earth metal salt of the aliphatic polycarboxylic acid, precipitation solidification is generated and an aqueous lubricant cannot be prepared. Further, the reason why the solubility in water at 20°C is limited to 10 g/100 mL or more is because also in the aliphatic polycarboxylic acid having a solubility in water at 20°C of less than 10 g/100 mL, or an alkaline earth metal salt of the aliphatic polycarboxylic acid, precipitation solidification is generated as in the aliphatic polycarboxylic acid having 9 or more carbon atoms or an alkaline earth metal salt of the aliphatic polycarboxylic acid, and an aqueous lubricant cannot be prepared.
- The alkaline earth metal compound is not particularly limited as long as being a compound of beryllium, magnesium, calcium, strontium, barium, or radium, and for example, a magnesium compound such as magnesium carbonate, magnesium hydroxide, and magnesium oxide; a calcium compound such as calcium carbonate, calcium hydroxide, and calcium oxide; or the like can be used. Among them, from the point of being excellent in the reactivity with the aliphatic polycarboxylic acid, magnesium carbonate, or calcium carbonate is preferably used.
- The aqueous lubricant according to the present invention can be produced, for example, by adding predetermined aliphatic polycarboxylic acid and alkaline earth metal compound in water, or by dissolving and/or dispersing an alkaline earth metal salt of the predetermined aliphatic polycarboxylic acid in water, and then by adding an additive agent as needed, but the method is not limited to such a method. Further, after production of an aqueous lubricant, the pH of the aqueous lubricant may be adjusted to 7 or more by using a pH adjusting agent. As the pH adjusting agent, for example, an alkali component such as sodium hydroxide, or calcium hydroxide can be used.
- In addition, in the production of an aqueous lubricant, the blending amount in a case of adding aliphatic polycarboxylic acid and an alkaline earth metal compound in water is not particularly limited, and is preferably within the range of 1 : 0.2 or more and 1 : less than 8, and more preferably within the range of 1 : 0.5 or more and 1 : less than 2 in terms of a molar ratio of the aliphatic polycarboxylic acid to the alkaline earth metal compound. By performing the production within these ranges, each performance of the lubricity (moisture absorption resistance) under a high humidity environment, the seizure resistance to metal working with high difficulty, and the like can be more improved, and further, the long-term agent stability can be more improved.
- As the organic lubricant, for example, a supplementary component for lubrication such as an oil, a soap, a wax, an amino acid compound having a layered structure, an organic modified clay mineral, and an extreme-pressure agent can be mentioned.
- As the oil used as the supplementary component for lubrication, for example, vegetable oil, synthetic oil, mineral oil, or the like can be used, and more specifically, palm oil, castor oil, rapeseed oil, machine oil, turbine oil, ester oil, silicone oil or the like can be used.
- The soap is, for example, a metal salt of fatty acid or the like, and more specifically, a metal salt of saturated or unsaturated fatty acid having 8 to 22 carbon atoms such as octanoic acid, decanoic acid, lauric acid, myristic acid, palmitic acid, icosanoic acid, oleic acid, and stearic acid can be mentioned. As the metal salt, for example, in addition to an alkali metal salt such as a sodium salt, and a potassium salt, a polyvalent metal salt such as a calcium salt, a zinc salt, a magnesium salt, and a barium salt, and the like can be mentioned.
- Examples of the wax include polyethylene wax, polypropylene wax, carnauba wax, paraffin wax, and polytetrafluoroethylene. As the polytetrafluoroethylene, for example, polytetrafluoroethylene having a polymerization degree of around 1,000,000 to 10,000,000, and the like can be mentioned. In addition, although not being similar to a wax, an amino acid compound having a layered structure, which is amino acid with a hydrocarbon group having 11 or more carbon atoms or a derivative of the amino acid, and a lubricating material exhibiting lubricity, such as an organic modified clay mineral in which at least one inorganic cation in the clay mineral is ion-exchanged with an organic cation can also be used. Various kinds of waxes and a lubricating material may be used alone or in combination of two or more kinds thereof.
- Examples of the extreme-pressure agent include a sulfur-based extreme-pressure additive, an organic molybdenum-based extreme-pressure additive, a phosphorus-based extreme-pressure additive, and a chlorine-based extreme-pressure additive. More specific examples of the extreme-pressure agent include melamine cyanurate, olefin sulfide, ester sulfide, sulfite, thiocarbonate, chlorinated fatty acid, phosphoric acid ester, phosphorous acid ester, molybdenum dithiocarbamate (MoDTC), molybdenum dithiophosphate (MoDTP), and zinc dithiophosphate (ZnDTP). These extreme-pressure agents may be used alone or in combination of two or more kinds thereof.
- As the binder component, for example, a water-soluble inorganic acid salt, a water-soluble organic acid salt, a water-dispersible or water-soluble resin, or the like can be used. These may be used alone or in combination of two or more kinds thereof.
In addition, the expression "water-soluble" in the present specification and claims means that the amount to be dissolved in 100 ml of water at 20°C exceeds 0.1 g. - As the water-soluble inorganic acid salt, for example, an acid salt such as a salt of sulfuric acids, a salt of boric acids, a salt of phosphoric acids, a salt of tungstic acids, and a salt of silicic acids can be mentioned. As the salt constituting these acid salts, for example, an alkali metal salt (sodium salt, potassium salt, lithium salt, or the like), an ammonium salt, an amine salt (ethylamine salt, or the like), an alkanolamine salt (monoethanolamine salt, diethanolamine salt, or the like) and the like can be mentioned, and it is preferred to be an alkali metal salt, or an ammonium salt. Specific examples of the water-soluble inorganic acid salt include sodium sulfate, potassium sulfate, lithium borate (lithium tetraborate, or the like), sodium borate (sodium tetraborate, or the like), potassium borate (potassium tetraborate, or the like), a diethanolamine salt of boric acid, sodium silicate, potassium silicate, lithium silicate, sodium metasilicate, sodium phosphate, potassium phosphate, sodium tripolyphosphate, lithium tungstate, sodium tungstate, and potassium tungstate. As the salt of silicic acids, a salt represented by the general formula M2O·nSiO2 (in the formula, n represents a number from 1 to 9, and M represents Na, K, Li, or NH4) can be mentioned. These water-soluble inorganic acid salts may be used alone or in combination of two or more kinds thereof.
- As the water-soluble organic acid salt, for example, a polycarboxylic acid salt having 3 to 6 carbon atoms, which may have a hydroxyl group, and the like can be mentioned, and it is preferred to use at least one kind selected from a malic acid salt, a succinic acid salt, a glutaric acid salt, a citric acid salt, and a tartaric acid salt. As the salt constituting these acid salts, for example, an alkali metal salt (sodium salt, potassium salt, lithium salt, or the like), an ammonium salt, an amine salt (ethylamine salt, or the like), an alkanolamine salt (monoethanolamine salt, diethanolamine salt, or the like) and the like can be mentioned, and it is preferred to be an alkali metal salt, or an ammonium salt. Specific examples of the water-soluble organic acid salt include sodium malate, potassium malate, lithium malate, sodium succinate, potassium succinate, lithium succinate, sodium citrate, potassium citrate, lithium citrate, sodium glutarate, potassium glutarate, lithium glutarate, sodium tartrate, potassium tartrate, and lithium tartrate. These water-soluble organic acid salts may be used alone or in combination of two or more kinds thereof.
- The water-dispersible or water-soluble resin is not particularly limited as long as having coat-forming properties, and for example, a water-soluble or water-dispersible resin such as an acrylic resin, a phenolic resin, a urethane-based resin, an epoxy-based resin, a polyester-based resin, and an isobutylene-based resin can be mentioned. These water-dispersible or water-soluble resins may be used alone or in combination of two or more kinds thereof.
- The acrylic resin is not particularly limited as long as being obtained by polymerizing at least one kind of acrylic monomers. Examples of the acrylic monomer include alkyl (for example, C = 1 to 8) (meth)acrylate such as methyl acrylate, methyl methacrylate, ethyl acrylate, ethyl methacrylate, isopropyl methacrylate, n-butyl acrylate, n-butyl methacrylate, 2-ethylhexyl methacrylate, and octyl acrylate; lower alkoxy-lower alkyl (meth)acrylate such as methoxymethyl acrylate, methoxyethyl acrylate, ethoxymethyl acrylate, ethoxyethyl acrylate, methoxymethyl methacrylate, methoxyethyl methacrylate, ethoxymethyl methacrylate, ethoxyethyl methacrylate, and methoxybutyl acrylate; hydroxy lower alkyl (meth)acrylate such as 2-hydroxyethyl (meth)acrylate, and 3-hydroxypropyl (meth)acrylate; acrylamide; methacrylamide; (meth)acrylamide having an N-unsubstituted or substituted (particularly, lower alkoxy substituted) methylol group such as N-methylol acrylamide, N-methylol methacrylamide, N-butoxymethyl acrylamide, and N-butoxymethyl methacrylamide; phosphonyloxy lower alkyl (meth)acrylate such as phosphonyloxymethyl acrylate, phosphonyloxyethyl acrylate, phosphonyloxypropyl acrylate, phosphonyloxymethyl methacrylate, phosphonyloxyethyl methacrylate, and phosphonyloxypropyl methacrylate; acrylonitrile; acrylic acid; and methacrylic acid. In the present invention, as the acrylic resin, a copolymer of at least one kind of the acrylic monomers and at least one kind of other ethylenic monomers (e.g., styrene, methyl styrene, vinyl acetate, vinyl chloride, vinyl toluene, ethylene) which contains 30% by mole or more of acrylic monomer units is also included. Note that the expression "lower" in the above means that the number of carbon atoms is 1 to 6.
- As the phenolic resin, for example, a phenolic resin obtained by the reaction of at least one kind of phenols such as phenol, cresol, or xylenol with formaldehyde can be mentioned, and any one of a novolak-type resin and a resol-type resin may be used. In a case of using a novolak-type resin, it is preferred that hexamethylenetetramine or the like coexists with the novolak-type resin as a curing agent.
- The urethane-based resin is not particularly limited as long as being a synthetic resin having a urethane bond (NHCOO), and a known urethane-based resin can be used. For example, one obtained by the polyaddition reaction of a polyisocyanate compound having 2 or more isocyanate groups with a polyol having 2 or more active hydrogen groups can be mentioned. As the polyol, for example, a polyester polyol, a polyether polyol, and the like can be mentioned.
- As the polyester polyol, for example, a polyester compound having a hydroxyl group at the terminal, which is obtained by the reaction of a polyol with a low molecular weight (molecular weight of 1000 or less) such as ethylene glycol, diethylene glycol, triethylene glycol, 1,2-propylene glycol, 1,3-propylene glycol, neopentyl glycol, 1,2-butylene glycol, 1,3-butylene glycol, 1,4-butylene glycol, 3-methylpentanediol, hexamethylene glycol, bisphenol A, hydrogenated bisphenol A, trimethylolpropane, and glycerin with a polybasic acid such as succinic acid, glutaric acid, adipic acid, sebacic acid, phthalic acid, isophthalic acid, terephthalic acid, trimellitic acid, tetrahydrophthalic acid, endomethylene tetrahydrophthalic acid, and hexahydrophthalic acid can be mentioned.
- As the polyether polyol, for example, a polyol with a low molecular weight (having a molecular weight of 1000 or less) such as ethylene glycol, diethylene glycol, triethylene glycol, 1,2-propylene glycol, 1,3-propylene glycol, neopentyl glycol, 1,2-butylene glycol, 1,3-butylene glycol, 1,4-butylene glycol, 3-methylpentanediol, hexamethylene glycol, bisphenol A, hydrogenated bisphenol A, trimethylolpropane, and glycerin, or an ethylene oxide and/or propylene oxide high adducts (2 adducts or more) thereof; a polyether polyol such as polyethylene glycol, polypropylene glycol, and polyethylene/propylene glycol; a polycaprolactone polyol; a polyolefin polyol; a polybutadiene polyol; and the like can be mentioned.
- As the polyisocyanate compound, for example, an aliphatic, alicyclic, or aromatic polyisocyanate can be mentioned. Specifically, tetramethylene diisocyanate, hexamethylene diisocyanate, lysine diisocyanate ester, hydrogenated xylylene diisocyanate, 1,4-cyclohexylene diisocyanate, 4,4'-dicyclohexylmethane diisocyanate, 2,4'-dicyclohexylmethane diisocyanate, isophorone diisocyanate, 3,3'-dimethoxy-4,4'-biphenylene diisocyanate, 1,5-naphthalene diisocyanate, 1,5-tetrahydronaphthalene diisocyanate, 2,4-tolylene diisocyanate, 2,6-tolylene diisocyanate, 4,4'-diphenylmethane diisocyanate, 2,4'-diphenylmethane diisocyanate, phenylene diisocyanate, xylylene diisocyanate, tetramethylxylylene diisocyanate, and the like can be mentioned.
- As the epoxy-based resin, for example, a bisphenol-type epoxy resin such as a bisphenol A type epoxy resin obtained by reacting bisphenols, in particular, a bisphenol A (2,2-bis(4'-hydroxyphenyl)propane) with epichlorohydrin can be mentioned. In addition, a novolac type epoxy resin obtained by glycidyl etherification of a phenolic hydroxyl group of a phenol novolak resin, glycidyl ester of aromatic carboxylic acid, a peroxy acid epoxy type epoxy resin obtained by epoxidizing double bond of ethylenically unsaturated compound with peroxy acid, and the like can be mentioned. Further, those obtained by adding ethylene oxide or propylene oxide to a resin skeleton of the above various epoxy resins, a glycidyl ether type epoxy resin of polyhydric alcohol, and the like can also be mentioned. Among them, it is preferred to use a bisphenol A type epoxy resin.
- As the polyester resin, for example, a condensation resin obtained by condensing a polybasic acid such as maleic acid, fumaric acid, itaconic acid, succinic acid, glutaric acid, suberic acid, adipic acid, azelaic acid, sebacic acid, dimer acid, trimer acid, isophthalic acid, terephthalic acid, trimellitic acid, trimesic acid, pyromellitic acid, and naphthalene dicarboxylic acid with a polyol such as ethylene glycol, diethylene glycol, trimethylol propane, neopentyl glycol, 1,4-CHDM (cyclohexane dimethanol), and 1,6-hexanediol; a condensation resin obtained by condensing the above-described polybasic acid with a polyol such as a polymer polyol, a polycaprolactone polyol, a polycarbonate diol, a polybutadiene polyol, neopentyl glycol, and methyl pentadiol; and the like can be mentioned. Moreover, a water-based resin obtained by using a monomer having 3 or more carboxyl groups such as trimellitic acid or pyromellitic acid as a part of the monomer, neutralizing the unreacted carboxylic acid with an alkali to thereby be solubilized or water-dispersed, or a water-based resin obtained by using a sulfonated monomer such as sulfophthalic acid as a part of the monomer to thereby be solubilized or water-dispersed can also be used.
- As the isobutylene-based resin, for example, a copolymer of isobutylene and maleic anhydride, and the like can be mentioned. In addition, one obtained by ammonia-modifying or imidizing the maleic anhydride moiety of the copolymer can also be mentioned, however, from the viewpoint of the coat-forming properties, it is preferred to use the one having a number average molecular weight of 10,000 or more (measurement value by GPC (gel permeation chromatography) method).
- As the solid lubricant (including one in a powder form), for example, zinc phosphate, zinc oxide, titanium dioxide, mica, molybdenum disulfide, tungsten disulfide, tin disulfide, graphite fluoride, graphite, boron nitride, calcium hydroxide, calcium carbonate, lime, calcium sulfate, barium sulfate, and the like can be mentioned. These solid lubricants may be used alone or in combination of two or more kinds thereof.
- As the rheology modifier, for example, an aqueous polymer, an inorganic viscosity modifier, and the like can be mentioned. As the aqueous polymer, for example, hydroxyethyl cellulose, carboxymethyl cellulose, polyacrylic acid amide, sodium polyacrylate, sulfonic acid-modified sodium polyacrylate, polyvinyl pyrrolidone, polyvinyl alcohol, and the like can be mentioned. As the inorganic viscosity modifier, for example, silica, bentonite, kaolin, mica, montmorillonite, hectorite, and the like can be mentioned. The inorganic viscosity modifier may be a natural product or a synthetic product. These rheology modifier may be used alone or in combination of two or more kinds thereof. By blending a rheology modifier into the aqueous lubricant according to the present invention, the components dispersed in the aqueous lubricant can be stabilized, and further, improvement of the coating properties (for example, liquid viscosity) to a metal material can be achieved.
- As the surfactant, for example, a nonionic surfactant, an anionic surfactant, an amphoteric surfactant, a cationic surfactant, and the like can be mentioned, and the surfactant may be appropriately selected depending on the molecular structure, hydrophilic-lipophilic balance (HLB), and the like as needed. These may be used alone or in combination of two or more kinds thereof. By blending a surfactant into the aqueous lubricant according to the present invention, improvement of the cleaning effect and wettability on a surface of a metal material can be achieved. Note that this effect is general, therefore, is not shown in Examples.
- Next, the metal material and metal processed article according to the present invention will be described. The metal processed article according to the present invention can be obtained by molding the metal material. As the molding method, a method, in which the metal material according to the present invention is molded by heat, pressure, mechanical force, or the like using a metal mold, a tool or the like, can be mentioned. The metal material according to the present invention can be obtained by forming a lubricating coating on/over a surface of the metal material by the aqueous lubricant. More specifically, the metal material can be produced by a method including a step of bringing the aqueous lubricant into contact with a surface of the metal material, followed by a step of drying the surface of the metal material with which the aqueous lubricant has brought into contact. Further, before performing the step of bringing the aqueous lubricant into contact with a surface, the surface may be cleaned by performing all or a part of pretreatments of washing (usually using an alkaline cleaner), water-rinsing after the washing, descaling (shot blasting or pickling with hydrochloric acid or the like), water-rinsing after the descaling, and the like on a surface of a target metal material. In this way, by the subsequent step (step of bringing the aqueous lubricant into contact), a favorable lubricity coating can be obtained. Note that in a case where oxide scale does not adhere, in a case where oxide scale is used for the application of requiring the oxide scale, or the like, the descaling and the water-rinsing after the descaling may be omitted. These pretreatments can be performed by a routine procedure.
- Further, before performing the step of bringing the aqueous lubricant according to the present invention into contact, chemical conversion treatment, surface preparation, and the like may be performed as needed. As the chemical conversion treatment, for example, iron phosphate conversion treatment, zinc phosphate conversion treatment, zinc phosphate calcium conversion treatment, iron oxalate conversion treatment, aluminum fluoride conversion treatment, zirconium oxide conversion treatment, and the like can be mentioned. As the surface preparation, for example, a method in which a surface preparation agent containing an alkali metal salt of boric acid, silicic acid, sulfuric acid, phosphoric acid, or tungstic acid is brought into contact with a surface and drying the surface, a method in which a solid lubricant is mechanically coated by a projective technique such as blasting, and the like can be mentioned.
- As the method for bringing the aqueous lubricant or surface preparation agent into contact with a surface, for example, a known method of immersion, spraying, flowing, brushing, or the like can be applied. In the contact by an aqueous lubricant or a surface preparation agent, as long as the surface is sufficiently covered with the lubricant or the surface preparation agent, the contact time is not particularly limited. The drying of the metal material surface with which the aqueous lubricant or the surface preparation agent has brought into contact can be performed by a known method, for example, heat drying, air drying, or the like. The drying temperature and time are not particularly limited, but it is preferred that the drying is performed at a peak metal temperature of 60°C to 150°C for around 10 seconds to 60 minutes.
- The mass of a lubricating coating formed by the aqueous lubricant according to the present invention may be appropriately adjusted depending on the application of the form of working, the degree of difficulty, and the like, and from the viewpoint of preventing the seizure, the mass is usually in the dry coating within the range of preferably 1 g/m2 or more, and more preferably 3 to 50 g/m2. In addition, the aqueous lubricant of the present invention may also be applied not only on/over the metal material surface but also on/over a surface of a metal mold in addition to the metal material surface. Note that in the lubricating coating, it is presumed that the aliphatic polycarboxylic acid and the alkaline earth metal form a salt. Herein, as the mass of the alkaline earth metal contained in a lubricating coating, the alkaline earth is contained in the dried lubricating coating preferably at a solid content ratio of 1% by mass or more, and from the viewpoint of improving the seizure resistance, is contained more preferably at a solid content ratio of 5% by mass or more, and particularly preferably at a solid content ratio of 10% by mass or more. Note that the mass of the alkaline earth metal existed in the dried lubricating coating can be calculated by measuring the metal material having the lubricating coating with fluorescent X-rays.
- A protective layer may be formed as the upper layer of the lubricating coating formed by the aqueous lubricant according to the present invention for the purpose of compensating the lubricity and the rust prevention. As the component used for forming the protective layer, an oil, a soap, a metal soap, a wax, and the like can be mentioned, and among them, one kind or two or more kinds thereof may be used. The protective layer can be formed by applying these components. Further, the protective layer may be constituted in a form of a composite layer holding the above components in a binder component.
- The present invention will be further specifically described together with the effects by describing Examples of the present invention together with Comparative Examples. Note that the present invention should not be limited by these Examples.
- The constituent components (the following components a to f) of various aqueous lubricants according to the following Examples and Comparative Examples are shown below. In addition, in Table 1, the carbon number of various "components a", and the solubility in water (20°C) are shown. On the basis of the compositions shown in Tables 2 and 3, various aqueous lubricants were produced by sequentially adding each component (any one of the following al to a8, any one of b1 to b6, and as needed, c1 to c2, d1 to d3, e1 to e2, f1 to f4) of various aqueous lubricants into water while stirring, and by adjusting the pH with sodium hydroxide or sodium carbonate. Note that the numerical values of each component in Tables 2 and 3 means the % by mass of each additive component based on the total mass of all added components.
-
- a1: glutaric acid
- a2: citric acid
- a3: butanetetracarboxylic acid
- a4: oxalic acid
- a5: tartaric acid
- a6: malic acid
- a7: suberic acid
- a8: 1,10-decanedicarboxylic acid
-
- b1: magnesium carbonate
- b2: calcium carbonate
- b3: calcium hydroxide
- b4: strontium carbonate
- b5: sodium hydroxide
- b6: lithium hydroxide
-
- c1: polyethylene wax
- c2: calcium stearate
-
- d1: potassium tetraborate
- d2: sodium citrate
- d3: isobutylene-based resin: a copolymer of isobutylene and maleic anhydride (molecular weight of 90,000)
-
- e1: aqueous dispersion of zinc phosphate (manufactured by Nihon Parkerizing Co., Ltd.)
- e2: organic modified synthetic mica: a material where distearyl dimethyl ammonium chloride is intercalated between layers of hectorite
-
- f1: hydroxyethyl cellulose
- f2: carboxymethyl cellulose
- f3: sulfonic acid-modified sodium polyacrylate
- f4: polyvinyl alcohol
-
(Table 1) The carbon number and solubility in water of component a component a the carbon number solubility in water (20°C) Example a1 5 43 a2 6 73 a3 8 ≧ 10(19°C) Comparative Example a4 2 10.2 a5 4 43 a6 4 55.8 a7 8 0.2 a8 12 <0.1 - Formation of a lubricating coating on a test piece for evaluation of plastic working performance using each aqueous lubricant of Examples 1 to 29 and Comparative Examples 1 to 8 was performed by dip coating the test piece in various aqueous lubricants, and then drying the test piece. Further, the solid content concentration and dip coating time of various aqueous lubricants were appropriately adjusted so that the coating amount to be formed is around 5 g/m2.
-
-
- long-term agent stability:
- Evaluation before dilution was performed as follows: each 100 mL of various aqueous lubricants having a high concentration (solid content concentration of 20% by mass) was filled in a transparent plastic container, left to stand in a thermostatic bath at 40°C for one day, one week, or one month, and the dispersity degree of the aqueous lubricant was measured. Further, evaluation after dilution was performed as follows: each 100 mL of various aqueous lubricants having a practical use concentration (solid content concentration of 8% by mass) was filled in a transparent plastic container, left to stand in a thermostatic bath at 60°C for one day, one week, or one month, and the dispersity degree of the aqueous lubricant was measured. The dispersity degree (%) of the aqueous lubricant was determined by using the height from the bottom surface of the container to the phase separation surface when the total height of the aqueous lubricant was taken as 100% as the ratio of the dispersion degree. When the evaluation result is "Δ" or more, there is no worry of sedimentation solidification, and it was determined to have practical performance level.
- long-term agent stability:
- ⊚: Even after storage for one month, the dispersion degree was 80% or more, and sedimentation solidification was not observed even at the bottom of the container
- ○: Even after storage for one weeks to one month, the dispersion degree was 50% or more and less than 80%, and sedimentation solidification was not observed at the bottom of the container
- Δ: After storage for one day to one week, the dispersion degree was less than 50%, but sedimentation solidification was not observed at the bottom of the container
- ×: After storage for one day, the dispersity degree was less than 50%, and sedimentation solidification was observed at the bottom of the container
- lubricity evaluation by pull-out test (lubricity, moisture absorption resistance, and scum-clogging resistance):
- In order to evaluate the lubrication performance of a lubricating coating formed by each of various aqueous lubricants for metal material plastic working, wire drawing was performed on a steel wire rod on which a lubricating coating had been formed, and the lubricity, the moisture absorption resistance, the scum-clogging resistance, and the like at the time of wire drawing were evaluated in accordance with the following evaluation method and evaluation criteria. The wire drawing was performed by pulling out the steel wire rod using an R die (φ 11.85 mm). As the steel wire rod, a steel wire rod (φ 13.00 mm, and length 1.5 m) of SCM435 was used. Surface treatment (including a forming of the lubricating coating) of the steel wire rod was performed by the following steps i to viii. In the above evaluation results, "Δ" or more was determined to have practical performance level.
- i) alkaline degreasing (FINECLEANER E6400 (manufactured by Nihon Parkerizing Co., Ltd.), 20 g/L, 60°C, 20 minutes, immersion)
- ii) water-rinsing (industrial water, 20°C, 30 seconds, immersion)
- iii) scale removal pickling (18% hydrochloric acid solution, 20°C, 20 minutes, immersion)
- iv) water-rinsing (industrial water, 20°C, 30 seconds, immersion)
- v) neutralization (PREPALENE 27 (manufactured by Nihon Parkerizing Co., Ltd.), 3 g/L, 20°C, 30 seconds, immersion)
- vi) formation of a lubricating coating by various aqueous lubricants (practical use concentration, 60°C, 30 seconds, immersion)
- vii) drying (100°C, 5 minutes)
- viii) The steel wire rod to be evaluated for moisture absorption resistance was left to stand for 24 hours in a room at 30°C × 80% RH after the step of vii).
- lubricity without moisture absorption:
- After the step of vii), the temperature of the steel wire rod was returned to room temperature, and then wire drawing was performed, and the lubricity was evaluated in accordance with the following evaluation criteria.
- moisture absorption resistance (lubricity after moisture absorption):
- After the step of viii), the wire drawing was performed by using a steel wire rod, and the moisture absorption resistance was evaluated in accordance with the following evaluation criteria.
-
- ⊚: Lubricity was extremely favorable, and seizure, flaws, or the like was not observed at all on the steel wire rod and the R die
- ○: Lubricity was favorable, and it is a degree that seizure or flaws of less than 10% in the area ratio was observed on the steel wire rod surface or the R die
- Δ: Lubricity was standard, and flaws or adhesion was observed in the range of 10% or more and less than 25% in the area ratio on the steel wire rod surface or the R die
- ×: Lubricity is lowered, and flaws or adhesion was observed in the range of 25% or more in the area ratio on the steel wire rod surface or the R die, or the steel wire rod was broken during wire drawing because of being insufficient lubrication
- scum-clogging resistance:
- During metal working, when the scum generation amount of the lubricating coating is large, the R die may be easily clogged by the scum. Therefore, the generation of scum when wire drawing was performed under the condition without moisture absorption was visually confirmed, and the scum-clogging resistance was evaluated in accordance with the following evaluation criteria.
-
- ⊚: Generation of scum was not substantially observed (scum generation amount was less than 10% of the lubricating coating amount)
- ○: Generation of scum was small, and the generated scum was not viscous and not adsorbed to the R die (scum generation amount was 10% or more and less than 30% of the lubricating coating amount)
- Δ: Scum generation amount was large, and the R die was easily clogged (scum generation amount is 30% or more and less than 50% of the lubricating coating amount), or at least the generated scum was adsorbed to the R die because the scum was viscous (scum generation amount is 10% or more and less than 30% of the lubricating coating amount)
- ×: Scum generation amount was extremely large, and the R die was easily clogged (scum generation amount is 50% or more of the lubricating coating amount), or the scum was adsorbed to the R die because the scum was viscous (scum generation amount is 30% or more of the lubricating coating amount)
- workability with high difficulty (seizure resistance, moisture absorption resistance):
- Working with high difficulty was performed, and the seizure resistance was evaluated. In performance evaluation of the working with high difficulty, only an ironing step in the upsetting-ball ironing tribo-type friction test method disclosed in a reference document (Akinori Takahashi, Masatoshi Hirose, Shinobu Komiyama, and Wang Zhigang: 62nd Plastic Working Federation Lecture Meeting Preprint (2011), 89-90) was performed. The evaluation before moisture absorption was performed after each of various aqueous lubricants was applied onto a surface of the barrel-shaped test piece, followed by the test piece being dried in an air heating furnace at 100°C to form a lubricating coating on the surface of the test piece. Evaluation of the moisture absorption resistance was performed after the test piece, on a surface of which a lubricating coating had been formed, was left to stand for 24 hours in a thermo-hygrostat testing machine at 30°C × 80% RH. Further, the formed coating amount was about 5 g/m2 in any one of the cases. Furthermore, the barrel-shaped test piece was used, the test piece being prepared by performing the upsetting up to an upsetting ratio of 45% in a state that both end faces were restrained so as not to spread using a cylindrical steel material (S10C) with a diameter of 14 mm and a length of 32 mm. The surface roughness in the vicinity of the most protruded part on the side face of the test piece was around Rz 9 µm. The upper and lower end faces of the barrel-shaped test piece on which a lubricating coating had been formed were sandwiched between metal molds, and the most protruded part was subjected to the ironing using three ball-shaped molds (SUJ-2 bearing ball with a diameter of 10 mm). In addition, the ironing is strong working in which the maximum surface area enlargement in the ironing part exceeds 200 times, and is working with extremely high difficulty.
- In evaluation of the seizure resistance of the test piece to which working with high difficulty had been performed, the degree of the seizure in the latter part of the ironing with a large surface area enlargement was confirmed, and the evaluation was performed in accordance with the evaluation criteria shown in
Fig. 1 . - corrosion resistance:
- Various aqueous lubricants having a practical use concentration were coated on a steel material of carbon steel S45C material that had been degreased and cleaned, followed by drying with hot air to prepare each test piece for corrosion resistance evaluation (coating adhesion mass after moisture volatilization was 5 g/m2). In corrosion resistance evaluation of each test piece, a test piece was left to stand for 120 hours in a thermos-hygrostat at a temperature of 30°C, and a humidity of 80%, and then the area where rust had been generated was measured, and the evaluation was performed in accordance with the following evaluation criteria. Note that when the evaluation result is "○" or more, it can be said that the test piece exhibited excellent corrosion resistance even under a humid environment, therefore, it was determined to have practical performance level.
-
- ⊚: Rust occurrence area ratio was less than 10%
- ○: Rust occurrence area ratio was 10% or more and less than 20%
- Δ: Rust occurrence area ratio was 20% or more and less than 50%
- ×: Rust occurrence area ratio was 50% or more
- The above evaluation results are shown in Table 4. As is apparent from the Table 4, in Examples 1 to 29 in which the aqueous lubricant for metal material plastic working of the present invention had been used, it was a practical level in all of the evaluation items. On the other hand, in Comparative Examples 1 and 2 in which an alkali metal salt of aliphatic polycarboxylic acid being outside the range of the present invention had been used, the level was not a practical level in any of the seizure resistance, the moisture absorption resistance, the scum-clogging resistance, and the corrosion resistance. In Comparative Example 3 in which an alkaline earth metal had been used without using aliphatic polycarboxylic acid, being outside the range of the present invention, the level of the long-term agent stability did not reach a practical level. Further, in Comparative Examples 4, 5, and 6 in which the carbon number of aliphatic polycarboxylic acid was outside the range of the present invention, the level was not a practical level in the seizure resistance, the moisture absorption resistance, and the corrosion resistance. Furthermore, in Comparative Example 6, the level of also the long-term agent stability did not reach a practical level. In Comparative Example 7 in which the solubility in water of aliphatic polycarboxylic acid was outside the range of the present invention, and in Comparative Example 8 in which the carbon number and solubility in water of aliphatic polycarboxylic acid were outside the ranges of the present invention, the alkaline earth metal salt of aliphatic polycarboxylic acid could not be formed, and an aqueous lubricant could not be prepared in any of Comparative Examples 7 and 8.
-
(Table 4) long-term agent stability pull-out test workability with high difficulty corrosion resistance without moisture absorption with moisture absorption without moisture absorption with moisture absorption before dilution after dilution lubricity scum-clogging resistance lubricity seizure resistance seizure resistance 1 ○ Δ ⊚ ⊚ ○ ⊚ ○ ○ 2 ○ Δ ⊚ ⊚ ○ ⊚ ○ ○ 3 ⊚ ⊚ ○ ○ ○ ○ ○ ○ 4 ⊚ ⊚ ○ ○ ○ ○ ○ ○ 5 Δ Δ ⊚ ⊚ ○ ⊚ ⊚ ○ 6 Δ Δ Δ ○ Δ ○ Δ ○ 7 ⊚ ⊚ ⊚ ⊚ ⊚ ⊚ ⊚ ○ 8 ⊚ ⊚ ⊚ ⊚ ⊚ ⊚ ⊚ ○ 9 ⊚ ⊚ ○ ○ ○ ○ ○ ○ 10 ⊚ ⊚ ○ ○ ○ ○ ○ ○ 11 Δ Δ ⊚ ⊚ ○ ⊚ ⊚ ○ 12 ○ Δ Δ ○ Δ ○ Δ ○ 13 ⊚ ⊚ ⊚ ⊚ ⊚ ⊚ ⊚ ○ 14 ⊚ ⊚ ⊚ ○ ⊚ ⊚ ⊚ ○ Example 15 ○ Δ ⊚ ⊚ ○ ⊚ ○ ○ 16 ⊚ ⊚ ⊚ ⊚ ⊚ ⊚ ⊚ ○ 17 Δ Δ Δ ○ Δ Δ Δ ○ 18 ⊚ ⊚ ○ ○ ○ ○ ○ ○ 19 ⊚ ⊚ ○ ○ ○ ○ ○ ○ 20 ⊚ ⊚ ⊚ ⊚ ⊚ ⊚ ⊚ ○ 21 ⊚ ⊚ ⊚ ⊚ ⊚ ⊚ ⊚ ○ 22 ⊚ ⊚ ⊚ ⊚ ⊚ ⊚ ⊚ ○ 23 ⊚ ⊚ ⊚ ⊚ ⊚ ⊚ ⊚ ○ 24 ⊚ ⊚ ⊚ ⊚ ⊚ ⊚ ⊚ ○ 25 ⊚ ⊚ ○ ⊚ ○ ○ ○ ○ 26 ⊚ ⊚ ○ ○ ○ ○ ○ ○ 27 ⊚ ⊚ ○ ○ ○ ○ ○ ○ 28 ⊚ ⊚ ⊚ ⊚ ⊚ ⊚ ⊚ ○ 29 ⊚ ⊚ ⊚ ⊚ ⊚ ⊚ ⊚ ○ Comparative Example 1 ⊚ ⊚ Δ × × × × Δ 2 ⊚ ⊚ Δ × × × × Δ 3 × × ○ ○ ○ ○ ○ ○ 4 Δ Δ ○ ○ × × × Δ 5 Δ Δ ○ ○ × × × Δ 6 × × ○ ○ × × × Δ 7 - - - - - - - - 8 - - - - - - - -
Claims (7)
- An aqueous lubricant for metal material plastic working, wherein an aliphatic polycarboxylic acid having 5 to 8 carbon atoms and a solubility in water at 20°C of 10 g/100 mL or more and an alkaline earth metal compound are blended in water, or an alkaline earth metal salt of the aliphatic polycarboxylic acid is dissolved and/or dispersed in water.
- The aqueous lubricant according to claim 1, which further contains at least one kind of organic lubricants selected from an oil, a soap, a wax, an amino acid compound having a layered structure, an organic modified clay mineral, and an extreme-pressure agent.
- The aqueous lubricant according to claim 1 or 2, which contains, as a binder component, at least one kind selected from a water-soluble inorganic acid salt, a water-soluble organic acid salt, and a water-dispersible or water-soluble resin.
- The aqueous lubricant according to any one of claims 1 to 3, which further contains at least one kind of solid lubricants selected from zinc phosphate, zinc oxide, titanium dioxide, mica, molybdenum disulfide, tungsten disulfide, tin disulfide, graphite fluoride, graphite, boron nitride, calcium hydroxide, calcium carbonate, lime, calcium sulfate, and barium sulfate.
- The aqueous lubricant according to any one of claims 1 to 4, wherein the aliphatic polycarboxylic acid is citric acid.
- A metal material, having
a lubricating coating formed by the aqueous lubricant according to any one of claims 1 to 5 on/over a surface of the metal material. - A metal processed article, obtained by molding the metal material according to claim 6.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015099651A JP2016216536A (en) | 2015-05-15 | 2015-05-15 | Aqueous lubricant, metallic material and metal worked part |
PCT/JP2016/062883 WO2016185876A1 (en) | 2015-05-15 | 2016-04-25 | Aqueous lubricant, metal material, and metal processed articles |
Publications (3)
Publication Number | Publication Date |
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EP3296382A1 true EP3296382A1 (en) | 2018-03-21 |
EP3296382A4 EP3296382A4 (en) | 2018-10-10 |
EP3296382B1 EP3296382B1 (en) | 2022-03-30 |
Family
ID=57319844
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP16796270.3A Active EP3296382B1 (en) | 2015-05-15 | 2016-04-25 | Aqueous lubricant, metal material, and metal processed articles |
Country Status (6)
Country | Link |
---|---|
US (1) | US20180148660A1 (en) |
EP (1) | EP3296382B1 (en) |
JP (1) | JP2016216536A (en) |
CN (1) | CN107532109A (en) |
ES (1) | ES2912297T3 (en) |
WO (1) | WO2016185876A1 (en) |
Cited By (1)
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DE102019105336A1 (en) * | 2019-03-04 | 2020-09-10 | Saarstahl Aktiengesellschaft | Lubricant for metal forming, in particular for forming steel, and a process for producing the forming lubricant |
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US10351715B2 (en) * | 2017-03-30 | 2019-07-16 | The United States Of America As Represented By The Secretary Of The Navy | Synergistic metal polycarboxylate corrosion inhibitors |
US11261397B2 (en) * | 2017-11-01 | 2022-03-01 | Moresco Corporation | Lubricant composition for plastic processing |
CN109517660B (en) * | 2018-12-20 | 2021-06-25 | 温州市贝特利电池科技有限公司 | Cutting fluid |
CN109797023B (en) * | 2019-01-25 | 2020-06-23 | 二重(德阳)重型装备有限公司 | Million-ton complex forging lubricant for ten-thousand-ton press and preparation method thereof |
CN110951521A (en) * | 2019-11-14 | 2020-04-03 | 北京市军鹰星润滑油加工厂 | Lubricating grease special for corrugating machine bearing and preparation method thereof |
CN111607795B (en) * | 2020-06-02 | 2023-07-14 | 青岛海弗莱安全科技有限公司 | Metal slow-release additive suitable for all environments and preparation method thereof |
JP7280228B2 (en) * | 2020-09-16 | 2023-05-23 | トヨタ自動車株式会社 | Plunger lubricant for die casting and its application method |
JP2022131151A (en) * | 2021-02-26 | 2022-09-07 | 大同化学株式会社 | Water-soluble lubricating mold release agent for warm and hot forging of steel |
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-
2015
- 2015-05-15 JP JP2015099651A patent/JP2016216536A/en active Pending
-
2016
- 2016-04-25 WO PCT/JP2016/062883 patent/WO2016185876A1/en active Application Filing
- 2016-04-25 EP EP16796270.3A patent/EP3296382B1/en active Active
- 2016-04-25 CN CN201680027358.0A patent/CN107532109A/en active Pending
- 2016-04-25 ES ES16796270T patent/ES2912297T3/en active Active
- 2016-04-25 US US15/573,758 patent/US20180148660A1/en not_active Abandoned
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019105336A1 (en) * | 2019-03-04 | 2020-09-10 | Saarstahl Aktiengesellschaft | Lubricant for metal forming, in particular for forming steel, and a process for producing the forming lubricant |
Also Published As
Publication number | Publication date |
---|---|
ES2912297T3 (en) | 2022-05-25 |
US20180148660A1 (en) | 2018-05-31 |
WO2016185876A1 (en) | 2016-11-24 |
CN107532109A (en) | 2018-01-02 |
JP2016216536A (en) | 2016-12-22 |
EP3296382B1 (en) | 2022-03-30 |
EP3296382A4 (en) | 2018-10-10 |
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