JP2008088301A - 潤滑油組成物 - Google Patents
潤滑油組成物 Download PDFInfo
- Publication number
- JP2008088301A JP2008088301A JP2006271034A JP2006271034A JP2008088301A JP 2008088301 A JP2008088301 A JP 2008088301A JP 2006271034 A JP2006271034 A JP 2006271034A JP 2006271034 A JP2006271034 A JP 2006271034A JP 2008088301 A JP2008088301 A JP 2008088301A
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- Japan
- Prior art keywords
- mass
- acid
- oil
- ester oil
- lubricating oil
- Prior art date
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- Granted
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- 239000000203 mixture Substances 0.000 title claims abstract description 40
- 239000000314 lubricant Substances 0.000 title abstract description 4
- 239000010696 ester oil Substances 0.000 claims abstract description 51
- -1 aliphatic monocarboxylic acid Chemical class 0.000 claims abstract description 43
- 229920005862 polyol Polymers 0.000 claims abstract description 31
- 239000002480 mineral oil Substances 0.000 claims abstract description 28
- 235000010446 mineral oil Nutrition 0.000 claims abstract description 27
- 150000003077 polyols Chemical class 0.000 claims abstract description 26
- 150000005846 sugar alcohols Polymers 0.000 claims abstract description 19
- 125000001931 aliphatic group Chemical group 0.000 claims abstract description 11
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000010687 lubricating oil Substances 0.000 claims description 43
- 125000004432 carbon atom Chemical group C* 0.000 claims description 22
- 238000005238 degreasing Methods 0.000 abstract description 22
- 230000001747 exhibiting effect Effects 0.000 abstract 1
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- 239000003795 chemical substances by application Substances 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
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- 239000003963 antioxidant agent Substances 0.000 description 6
- 235000014113 dietary fatty acids Nutrition 0.000 description 6
- 229930195729 fatty acid Natural products 0.000 description 6
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- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 6
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 6
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 6
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- 230000000052 comparative effect Effects 0.000 description 4
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- 238000000034 method Methods 0.000 description 4
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- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 3
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 3
- 235000021355 Stearic acid Nutrition 0.000 description 3
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
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- 239000002270 dispersing agent Substances 0.000 description 3
- 239000003063 flame retardant Substances 0.000 description 3
- 235000011187 glycerol Nutrition 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 239000006078 metal deactivator Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 3
- 229920000223 polyglycerol Polymers 0.000 description 3
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- 150000003839 salts Chemical class 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000008117 stearic acid Substances 0.000 description 3
- ULQISTXYYBZJSJ-UHFFFAOYSA-N 12-hydroxyoctadecanoic acid Chemical compound CCCCCCC(O)CCCCCCCCCCC(O)=O ULQISTXYYBZJSJ-UHFFFAOYSA-N 0.000 description 2
- QDCPNGVVOWVKJG-VAWYXSNFSA-N 2-[(e)-dodec-1-enyl]butanedioic acid Chemical compound CCCCCCCCCC\C=C\C(C(O)=O)CC(O)=O QDCPNGVVOWVKJG-VAWYXSNFSA-N 0.000 description 2
- 235000021357 Behenic acid Nutrition 0.000 description 2
- 239000005632 Capric acid (CAS 334-48-5) Substances 0.000 description 2
- 239000005635 Caprylic acid (CAS 124-07-2) Substances 0.000 description 2
- JYFHYPJRHGVZDY-UHFFFAOYSA-N Dibutyl phosphate Chemical compound CCCCOP(O)(=O)OCCCC JYFHYPJRHGVZDY-UHFFFAOYSA-N 0.000 description 2
- UNXHWFMMPAWVPI-UHFFFAOYSA-N Erythritol Natural products OCC(O)C(O)CO UNXHWFMMPAWVPI-UHFFFAOYSA-N 0.000 description 2
- 239000004386 Erythritol Substances 0.000 description 2
- 239000005639 Lauric acid Substances 0.000 description 2
- 235000021353 Lignoceric acid Nutrition 0.000 description 2
- CQXMAMUUWHYSIY-UHFFFAOYSA-N Lignoceric acid Natural products CCCCCCCCCCCCCCCCCCCCCCCC(=O)OCCC1=CC=C(O)C=C1 CQXMAMUUWHYSIY-UHFFFAOYSA-N 0.000 description 2
- 235000021314 Palmitic acid Nutrition 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 239000002518 antifoaming agent Substances 0.000 description 2
- OGBUMNBNEWYMNJ-UHFFFAOYSA-N batilol Chemical compound CCCCCCCCCCCCCCCCCCOCC(O)CO OGBUMNBNEWYMNJ-UHFFFAOYSA-N 0.000 description 2
- 229940116226 behenic acid Drugs 0.000 description 2
- WGQKYBSKWIADBV-UHFFFAOYSA-N benzylamine Chemical compound NCC1=CC=CC=C1 WGQKYBSKWIADBV-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- GVPWHKZIJBODOX-UHFFFAOYSA-N dibenzyl disulfide Chemical compound C=1C=CC=CC=1CSSCC1=CC=CC=C1 GVPWHKZIJBODOX-UHFFFAOYSA-N 0.000 description 2
- 239000000539 dimer Substances 0.000 description 2
- UNXHWFMMPAWVPI-ZXZARUISSA-N erythritol Chemical compound OC[C@H](O)[C@H](O)CO UNXHWFMMPAWVPI-ZXZARUISSA-N 0.000 description 2
- 235000019414 erythritol Nutrition 0.000 description 2
- 229940009714 erythritol Drugs 0.000 description 2
- 230000032050 esterification Effects 0.000 description 2
- 238000005886 esterification reaction Methods 0.000 description 2
- FARYTWBWLZAXNK-WAYWQWQTSA-N ethyl (z)-3-(methylamino)but-2-enoate Chemical compound CCOC(=O)\C=C(\C)NC FARYTWBWLZAXNK-WAYWQWQTSA-N 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- 239000012208 gear oil Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 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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- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- 150000003014 phosphoric acid esters Chemical class 0.000 description 2
- 230000003449 preventive effect Effects 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical compound O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 description 2
- 150000003871 sulfonates Chemical class 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 description 2
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- ALSTYHKOOCGGFT-KTKRTIGZSA-N (9Z)-octadecen-1-ol Chemical compound CCCCCCCC\C=C/CCCCCCCCO ALSTYHKOOCGGFT-KTKRTIGZSA-N 0.000 description 1
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- QGLWBTPVKHMVHM-KTKRTIGZSA-N (z)-octadec-9-en-1-amine Chemical compound CCCCCCCC\C=C/CCCCCCCCN QGLWBTPVKHMVHM-KTKRTIGZSA-N 0.000 description 1
- ZORQXIQZAOLNGE-UHFFFAOYSA-N 1,1-difluorocyclohexane Chemical compound FC1(F)CCCCC1 ZORQXIQZAOLNGE-UHFFFAOYSA-N 0.000 description 1
- OOWQBDFWEXAXPB-IBGZPJMESA-N 1-O-hexadecyl-sn-glycerol Chemical compound CCCCCCCCCCCCCCCCOC[C@@H](O)CO OOWQBDFWEXAXPB-IBGZPJMESA-N 0.000 description 1
- JJRGVJZDAWBKMP-UHFFFAOYSA-N 1-aminopentadecan-2-ol Chemical class CCCCCCCCCCCCCC(O)CN JJRGVJZDAWBKMP-UHFFFAOYSA-N 0.000 description 1
- RZRNAYUHWVFMIP-KTKRTIGZSA-N 1-oleoylglycerol Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(O)CO RZRNAYUHWVFMIP-KTKRTIGZSA-N 0.000 description 1
- WJFKNYWRSNBZNX-UHFFFAOYSA-N 10H-phenothiazine Chemical compound C1=CC=C2NC3=CC=CC=C3SC2=C1 WJFKNYWRSNBZNX-UHFFFAOYSA-N 0.000 description 1
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- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical compound CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 description 1
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Abstract
【解決手段】(A)炭素数4〜24の脂肪族モノカルボン酸と3価又は4価の多価アルコールからなるポリオールエステル油を5〜45質量%、(B)炭素数4〜24の脂肪族モノカルボン酸、炭素数4〜12の脂肪族ジカルボン酸、及び3価又は4価の多価アルコールからなるコンプレックスエステル油を5〜38質量%、(C)40℃における動粘度が300mm2/s以上、引火点280℃以上の鉱油を30〜90質量%、をそれぞれ含有し、かつ、前記(A)のポリオールエステル油と前記(B)のコンプレックスエステル油の合計が10〜70質量%であることを特徴とする潤滑油組成物。
【選択図】なし
Description
(B)炭素数4〜24の脂肪族モノカルボン酸、炭素数4〜12の脂肪族ジカルボン酸、及び3価又は4価の多価アルコールからなるコンプレックスエステル油を5〜38質量%、
(C)40℃における動粘度が300mm2/s以上、引火点280℃以上の鉱油を30〜90質量%、をそれぞれ含有し、
かつ、前記(A)のポリオールエステル油と前記(B)のコンプレックスエステル油の合計が10〜70質量%であることを特徴とする潤滑油組成物を提供するものである。なお、本発明においては、上記した、ポリオールエステル油とコンプレックスエステル油と鉱油との合計量が100質量%となるようにする。
本発明の潤滑油組成物に用いられる鉱油は、40℃における動粘度が300mm2/s以上であり、好ましくは350mm2/s以上、さらに好ましくは400mm2/s以上である。粘度が低すぎると十分な難燃性を有する潤滑油が得られない。なお、40℃における動粘度の上限値は、他成分との組み合わせで、適度な動粘度の潤滑油組成物が得られるものであれば特に制限はないが、下記に記載する具体例であるブライトストック等、入手しやすいものでは、600mm2/s以下のものとなる場合が多い。なお、上記動粘度は、例えば、JIS K2283に規定されている方法で測定することができる。
本発明の潤滑油組成物に用いられるポリオールエステル油は、炭素数4〜24の脂肪族モノカルボン酸と3価又は4価の多価アルコールからなるエステルである。炭素数4〜24の脂肪族モノカルボン酸としては、酪酸、カプロン酸、カプリル酸、カプリン酸、ラウリン酸、ミリスチン酸、パルミチン酸、ステアリン酸、アラキジン酸、ベヘニン酸、リグノセリン酸等が挙げられ、炭素数8〜22の脂肪族モノカルボン酸がより好ましく、炭素数14〜22の脂肪族モノカルボン酸が最も好ましい。炭素数の範囲が上記範囲から外れると、潤滑油組成物の動粘度を適度に調整できない場合があり、また難燃性や脱脂性の効果にも影響する場合があるため好ましくない。なお、脂肪族モノカルボン酸は、直鎖又は分岐鎖のどちらでもかまわない。また、1分子のエステルを形成する脂肪族モノカルボン酸は同一であっても2種類以上の混合であっても構わない。
本発明の潤滑油組成物に用いられるコンプレックスエステル油は、炭素数4〜24の脂肪族モノカルボン酸、炭素数4〜12の脂肪族ジカルボン酸、及び3価又は4価の多価アルコールからなるエステルである。
(2)鉱油B(比較用鉱油、水素化精製鉱油、40℃の動粘度が99mm2/sで、粘度指数97、引火点260℃)
(3)コンプレックスエステル(40℃の動粘度が510.2mm2/sで、粘度指数154、ペンタエリスリトールと炭素数10のセバシン酸、炭素数18のイソステアリン酸の脂肪酸エステル)
(4)ポリオールエステル(40℃の動粘度が43.6mm2/sで、粘度指数183、トリメチロールプロパンと炭素数18の直鎖脂肪族モノカルボン酸を主成分とする炭素数14〜22の脂肪族モノカルボン酸の脂肪酸エステル)
脱脂性の評価は、下記のようにして行った。まず、気泡が試験片に付着しないように、各試料(潤滑油組成物)を試験片全体、均一に塗布した。脱脂剤として、FC4360(日本パーカライジング社製アルカリ性脱脂剤)を使用し、温度50℃の水にこれを2%溶解する溶液を調製した。当該溶液中に、試料が塗布された各試験片を静かに浸からせた。60秒後、各試験片を静かに引き上げ、水で洗浄後、試験片表面の油の残存量を目視で確認した。洗浄が確認できる面が全体の70%以上は「○」、30%以上70%未満は「△」、30%未満は「×」として評価を行った。結果を下記表1〜3に示す。なお、試験条件は下記の通りである。
試験片 :JIS G 3141に規定するSPCC−SB 試験片A(1.6mm×60mm×80mm)
脱脂剤 :日本パーカライジング社製 脱脂剤FC4360(強アルカリ)
試験温度:50℃
浸漬時間:60秒
難燃性の評価は、下記のようにして行った。まず、ステンレス製の容器を加熱炉で800℃まで加熱し、加熱炉から容器を取り出した直後に各試料(潤滑油組成物)を1g容器内へ滴下して、燃焼するかどうかの試験を行った。試料から炎が出て燃焼した場合を「×」、試料から炎が出ず燃焼しない場合を「○」として評価を行った。結果を下記表1〜3に示す。なお、試験条件は下記の通りである。
試験容器:ステンレス製皿 内径75mm×深さ17mm×厚さ0.7mm
容器温度:800℃
Claims (2)
- (A)炭素数4〜24の脂肪族モノカルボン酸と3価又は4価の多価アルコールからなるポリオールエステル油を5〜45質量%、
(B)炭素数4〜24の脂肪族モノカルボン酸、炭素数4〜12の脂肪族ジカルボン酸、及び3価又は4価の多価アルコールからなるコンプレックスエステル油を5〜38質量%、
(C)40℃における動粘度が300mm2/s以上、引火点280℃以上の鉱油を30〜90質量%、をそれぞれ含有し、
かつ、前記(A)のポリオールエステル油と前記(B)のコンプレックスエステル油の合計が10〜70質量%であることを特徴とする潤滑油組成物。 - 潤滑油組成物の40℃における動粘度が150〜400mm2/sであることを特徴とする請求項1に記載の潤滑油組成物。
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JP2010235791A (ja) * | 2009-03-31 | 2010-10-21 | Idemitsu Kosan Co Ltd | 圧延油 |
WO2010128658A1 (ja) * | 2009-05-08 | 2010-11-11 | 出光興産株式会社 | 生分解性潤滑油組成物 |
WO2013031894A1 (ja) * | 2011-09-02 | 2013-03-07 | 出光興産株式会社 | 生分解性潤滑油組成物 |
JP2016221573A (ja) * | 2015-05-26 | 2016-12-28 | 株式会社大豊製作所 | 冷間圧造成形機 |
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JP2004067843A (ja) * | 2002-08-06 | 2004-03-04 | Kyodo Yushi Co Ltd | 自己消火性グリース組成物 |
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JPS53102307A (en) * | 1977-02-18 | 1978-09-06 | Nippon Oil & Fats Co Ltd | Lubricating oil composition |
JP2004067843A (ja) * | 2002-08-06 | 2004-03-04 | Kyodo Yushi Co Ltd | 自己消火性グリース組成物 |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2010235791A (ja) * | 2009-03-31 | 2010-10-21 | Idemitsu Kosan Co Ltd | 圧延油 |
WO2010128658A1 (ja) * | 2009-05-08 | 2010-11-11 | 出光興産株式会社 | 生分解性潤滑油組成物 |
JP2010260972A (ja) * | 2009-05-08 | 2010-11-18 | Idemitsu Kosan Co Ltd | 生分解性潤滑油組成物 |
US8987177B2 (en) | 2009-05-08 | 2015-03-24 | Idemitsu Kosan Co., Ltd. | Biodegradable lubricant composition |
EP2428552B1 (en) | 2009-05-08 | 2015-07-01 | Idemitsu Kosan Co., Ltd. | Biodegradable lubricant composition |
WO2013031894A1 (ja) * | 2011-09-02 | 2013-03-07 | 出光興産株式会社 | 生分解性潤滑油組成物 |
JP2013053227A (ja) * | 2011-09-02 | 2013-03-21 | Idemitsu Kosan Co Ltd | 生分解性潤滑油組成物 |
JP2016221573A (ja) * | 2015-05-26 | 2016-12-28 | 株式会社大豊製作所 | 冷間圧造成形機 |
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