JP2018525480A - 潤滑剤配合物中での摩擦調整剤としてのポリグリセロールエステルの使用 - Google Patents
潤滑剤配合物中での摩擦調整剤としてのポリグリセロールエステルの使用 Download PDFInfo
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- JP2018525480A JP2018525480A JP2018503570A JP2018503570A JP2018525480A JP 2018525480 A JP2018525480 A JP 2018525480A JP 2018503570 A JP2018503570 A JP 2018503570A JP 2018503570 A JP2018503570 A JP 2018503570A JP 2018525480 A JP2018525480 A JP 2018525480A
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- acid
- lubricating oil
- oil composition
- composition according
- polyglycerol
- Prior art date
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- 239000000203 mixture Substances 0.000 title claims abstract description 74
- 229920000223 polyglycerol Polymers 0.000 title claims abstract description 58
- 150000002148 esters Chemical class 0.000 title claims abstract description 40
- 239000003607 modifier Substances 0.000 title claims description 16
- 239000000314 lubricant Substances 0.000 title description 10
- 238000009472 formulation Methods 0.000 title description 7
- 239000010687 lubricating oil Substances 0.000 claims abstract description 37
- 235000014113 dietary fatty acids Nutrition 0.000 claims abstract description 21
- 239000000194 fatty acid Substances 0.000 claims abstract description 21
- 229930195729 fatty acid Natural products 0.000 claims abstract description 21
- 150000004665 fatty acids Chemical class 0.000 claims abstract description 21
- ULQISTXYYBZJSJ-UHFFFAOYSA-N 12-hydroxyoctadecanoic acid Chemical compound CCCCCCC(O)CCCCCCCCCCC(O)=O ULQISTXYYBZJSJ-UHFFFAOYSA-N 0.000 claims abstract description 17
- 150000001735 carboxylic acids Chemical class 0.000 claims abstract description 12
- KIHBGTRZFAVZRV-UHFFFAOYSA-N 2-Hydroxyoctadecanoic acid Natural products CCCCCCCCCCCCCCCCC(O)C(O)=O KIHBGTRZFAVZRV-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 11
- 230000001050 lubricating effect Effects 0.000 claims abstract description 6
- XDOFQFKRPWOURC-UHFFFAOYSA-N 16-methylheptadecanoic acid Chemical compound CC(C)CCCCCCCCCCCCCCC(O)=O XDOFQFKRPWOURC-UHFFFAOYSA-N 0.000 claims description 14
- 239000000654 additive Substances 0.000 claims description 13
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 12
- 125000004432 carbon atom Chemical group C* 0.000 claims description 12
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 claims description 12
- 238000005886 esterification reaction Methods 0.000 claims description 10
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- 238000000034 method Methods 0.000 claims description 9
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- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 6
- 239000003208 petroleum Substances 0.000 claims description 6
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims description 5
- 239000003963 antioxidant agent Substances 0.000 claims description 5
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 claims description 5
- 239000003112 inhibitor Substances 0.000 claims description 5
- WBHHMMIMDMUBKC-XLNAKTSKSA-N ricinelaidic acid Chemical compound CCCCCC[C@@H](O)C\C=C\CCCCCCCC(O)=O WBHHMMIMDMUBKC-XLNAKTSKSA-N 0.000 claims description 5
- 235000021122 unsaturated fatty acids Nutrition 0.000 claims description 5
- 150000004670 unsaturated fatty acids Chemical class 0.000 claims description 5
- DPUOLQHDNGRHBS-UHFFFAOYSA-N Brassidinsaeure Natural products CCCCCCCCC=CCCCCCCCCCCCC(O)=O DPUOLQHDNGRHBS-UHFFFAOYSA-N 0.000 claims description 4
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- 238000009833 condensation Methods 0.000 claims description 4
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- GHVNFZFCNZKVNT-UHFFFAOYSA-N decanoic acid Chemical compound CCCCCCCCCC(O)=O GHVNFZFCNZKVNT-UHFFFAOYSA-N 0.000 claims description 4
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- KEMQGTRYUADPNZ-UHFFFAOYSA-N heptadecanoic acid Chemical compound CCCCCCCCCCCCCCCCC(O)=O KEMQGTRYUADPNZ-UHFFFAOYSA-N 0.000 claims description 4
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- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 claims description 4
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- FEUQNCSVHBHROZ-UHFFFAOYSA-N ricinoleic acid Natural products CCCCCCC(O[Si](C)(C)C)CC=CCCCCCCCC(=O)OC FEUQNCSVHBHROZ-UHFFFAOYSA-N 0.000 claims description 4
- 229960003656 ricinoleic acid Drugs 0.000 claims description 4
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 4
- SZHOJFHSIKHZHA-UHFFFAOYSA-N tridecanoic acid Chemical compound CCCCCCCCCCCCC(O)=O SZHOJFHSIKHZHA-UHFFFAOYSA-N 0.000 claims description 4
- 229940114072 12-hydroxystearic acid Drugs 0.000 claims description 3
- 239000005639 Lauric acid Substances 0.000 claims description 3
- 235000021355 Stearic acid Nutrition 0.000 claims description 3
- 239000002518 antifoaming agent Substances 0.000 claims description 3
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 239000010696 ester oil Substances 0.000 claims description 3
- KQQKGWQCNNTQJW-UHFFFAOYSA-N linolenic acid Natural products CC=CCCC=CCC=CCCCCCCCC(O)=O KQQKGWQCNNTQJW-UHFFFAOYSA-N 0.000 claims description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 3
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- 150000004671 saturated fatty acids Chemical class 0.000 claims description 3
- 239000008117 stearic acid Substances 0.000 claims description 3
- BITHHVVYSMSWAG-KTKRTIGZSA-N (11Z)-icos-11-enoic acid Chemical compound CCCCCCCC\C=C/CCCCCCCCCC(O)=O BITHHVVYSMSWAG-KTKRTIGZSA-N 0.000 claims description 2
- ADHNUPOJJCKWRT-JLXBFWJWSA-N (2e,4e)-octadeca-2,4-dienoic acid Chemical compound CCCCCCCCCCCCC\C=C\C=C\C(O)=O ADHNUPOJJCKWRT-JLXBFWJWSA-N 0.000 claims description 2
- ZUUFLXSNVWQOJW-MBIXAETLSA-N (2e,4e,6e)-octadeca-2,4,6-trienoic acid Chemical compound CCCCCCCCCCC\C=C\C=C\C=C\C(O)=O ZUUFLXSNVWQOJW-MBIXAETLSA-N 0.000 claims description 2
- ATNNLHXCRAAGJS-QZQOTICOSA-N (e)-docos-2-enoic acid Chemical compound CCCCCCCCCCCCCCCCCCC\C=C\C(O)=O ATNNLHXCRAAGJS-QZQOTICOSA-N 0.000 claims description 2
- GBURUDXSBYGPBL-UHFFFAOYSA-N 2,2,3-trimethylhexanedioic acid Chemical compound OC(=O)C(C)(C)C(C)CCC(O)=O GBURUDXSBYGPBL-UHFFFAOYSA-N 0.000 claims description 2
- BTUDGPVTCYNYLK-UHFFFAOYSA-N 2,2-dimethylglutaric acid Chemical compound OC(=O)C(C)(C)CCC(O)=O BTUDGPVTCYNYLK-UHFFFAOYSA-N 0.000 claims description 2
- 235000021357 Behenic acid Nutrition 0.000 claims description 2
- 239000005632 Capric acid (CAS 334-48-5) Substances 0.000 claims description 2
- 239000005635 Caprylic acid (CAS 124-07-2) Substances 0.000 claims description 2
- 235000021314 Palmitic acid Nutrition 0.000 claims description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims description 2
- 238000007792 addition Methods 0.000 claims description 2
- 239000001361 adipic acid Substances 0.000 claims description 2
- 235000011037 adipic acid Nutrition 0.000 claims description 2
- 125000001931 aliphatic group Chemical group 0.000 claims description 2
- 150000008064 anhydrides Chemical class 0.000 claims description 2
- 229940116226 behenic acid Drugs 0.000 claims description 2
- SECPZKHBENQXJG-UHFFFAOYSA-N cis-palmitoleic acid Natural products CCCCCCC=CCCCCCCCC(O)=O SECPZKHBENQXJG-UHFFFAOYSA-N 0.000 claims description 2
- 229940108623 eicosenoic acid Drugs 0.000 claims description 2
- BITHHVVYSMSWAG-UHFFFAOYSA-N eicosenoic acid Natural products CCCCCCCCC=CCCCCCCCCCC(O)=O BITHHVVYSMSWAG-UHFFFAOYSA-N 0.000 claims description 2
- 239000001530 fumaric acid Substances 0.000 claims description 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims description 2
- 239000011976 maleic acid Substances 0.000 claims description 2
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 claims description 2
- 229960002446 octanoic acid Drugs 0.000 claims description 2
- NNNVXFKZMRGJPM-KHPPLWFESA-N sapienic acid Chemical compound CCCCCCCCC\C=C/CCCCC(O)=O NNNVXFKZMRGJPM-KHPPLWFESA-N 0.000 claims description 2
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 claims description 2
- LKOVPWSSZFDYPG-WUKNDPDISA-N trans-octadec-2-enoic acid Chemical compound CCCCCCCCCCCCCCC\C=C\C(O)=O LKOVPWSSZFDYPG-WUKNDPDISA-N 0.000 claims description 2
- TVIDDXQYHWJXFK-UHFFFAOYSA-N dodecanedioic acid Chemical compound OC(=O)CCCCCCCCCCC(O)=O TVIDDXQYHWJXFK-UHFFFAOYSA-N 0.000 claims 2
- 239000002253 acid Substances 0.000 description 31
- -1 alkyl naphthalene Chemical compound 0.000 description 17
- 229920000642 polymer Polymers 0.000 description 16
- 239000002585 base Substances 0.000 description 15
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 12
- 239000003921 oil Substances 0.000 description 12
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- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 9
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- 229910052783 alkali metal Inorganic materials 0.000 description 4
- 125000000217 alkyl group Chemical group 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
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- 239000002480 mineral oil Substances 0.000 description 4
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- 230000001590 oxidative effect Effects 0.000 description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 4
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- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 3
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 3
- 239000005642 Oleic acid Substances 0.000 description 3
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 3
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- 150000001340 alkali metals Chemical class 0.000 description 3
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- BVUXDWXKPROUDO-UHFFFAOYSA-N 2,6-di-tert-butyl-4-ethylphenol Chemical compound CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 BVUXDWXKPROUDO-UHFFFAOYSA-N 0.000 description 2
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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- C—CHEMISTRY; METALLURGY
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- C10M2205/0285—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms used as base material
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- 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
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- 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
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- C10M2207/282—Esters of (cyclo)aliphatic oolycarboxylic acids
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- 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
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- C10M2207/283—Esters of polyhydroxy compounds
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- 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
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- C—CHEMISTRY; METALLURGY
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Abstract
Description
(i)多官能性カルボン酸および
(ii)飽和もしくは不飽和の直鎖状もしくは分枝鎖状の脂肪酸および/または
(ii)ポリ(ヒドロキシステアリン酸)
でエステル化することによって得られることを特徴とする。
(a)90〜100重量%のAPIグループII、IIIおよびIVからなる群から選択される非極性油ならびに/またはそれらの混合物と、
(b)0〜10重量%の米国石油協会(API)の定義に従ったグループVの極性エステル油と
を含むことを特徴とする。
HLB=(mp/(mp+ma))*20、
ここで、mpは、ポリグリセロールの質量であり、maは、ポリグリセロールエステルの合成において使用されるモノ−、ジ−およびポリカルボン酸のほかにポリヒドロキシ脂肪酸を含むカルボン酸混合物の質量である。例えば、100gのポリグリセロールを90gのモノカルボン酸および10gのジカルボン酸とでエステル化した場合、ポリグリセロールの重合度および使用されるカルボン酸の種類とは無関係に、(100g/(90g+10g+100g))*20=10のHLBが得られる。
(a)潤滑油組成物の全重量に対して0.2〜5重量%、好ましくは0.3〜3重量%、さらにより好ましくは0.5〜2重量%のポリグリセロール部分エステルと、
(b)潤滑油組成物の全重量に対して85〜99.8重量%、好ましくは87〜99.7重量%、さらにより好ましくは88〜99.5重量%のAPIグループII、IIIおよびIVからなる群から選択される非極性ベースストックならびに/またはそれらの混合物と、
(c)潤滑油組成物の全重量に対して0〜10重量%の米国石油協会(API)の定義に従ったグループVの極性エステル油と
を含む潤滑油組成物に関する。
実施例1:欧州特許第1500427号明細書(EP1 500 427 B1)の合成例2に従ったポリグリセロール、イソステアリン酸、セバシン酸およびポリ(ヒドロキシステアリン酸)から調製されたポリカルボン酸エステル
イソステアリン酸(91.1g、0.320mol)とポリ(ヒドロキシステアリン酸)(141.7g、0.120mol、酸価47mgKOH/g)との混合物を、窒素流通下でポリグリセロール(61.9g、0.121mol、ヒドロキシル価950mgKOH/g)を用いて240℃でエステル化した。この温度で2時間後、反応混合物の酸価は、10未満であった。次いで、混合物を130℃に冷却し、セバシン酸(20.2g、0.100mol)を添加し、混合物を240℃に再び加熱した。この温度で3時間後、5未満の酸価を有する粘性生成物を得た。
オキシラン[O]含有率6.3%のエポキシ化大豆油(300g、0.302mol)、オレイン酸(331g、1.18mol)および二量体酸(57.5g;0.101mol、約2%の一塩基酸、約96%の二量体酸および約2%の三量体酸および高級ポリ酸を含む)の混合物を、酸価が10mgKOH/g未満になるまで240℃に加熱した。
このポリマーの構造は、本発明によるポリグリセロール部分エステルとは異なり、したがって、本発明には包含されない。
イソステアリン酸72gとセバシン酸11gとの混合物を、窒素流通下で17gのポリグリセロール(平均重合度=3)と240℃でエステル化した。12の酸価に達したら、反応を冷却した。
このポリマーのOH価は、本発明による好適な範囲よりもはるかに低い。
ポリマー摩擦調整剤Perfad(商標)3006であって、これは、Croda Inc.から市販されている(構造については米国特許出願公開第2013/0079536号明細書(US 2013/0079536)、国際公開第2011/107739号(WO 2011/107739 A1)および物理的性質についてはLube Magazine No.120,April 2014,page 27を参照)。
このポリマーの構造は、本発明によるポリグリセロール部分エステルとは異なり、したがって、本発明には包含されない。
Perfad(商標)3050の希釈形態である、ポリマー摩擦調整剤Perfad(商標)3057であって、これは、Croda Sucursal Colombiaから市販されている(構造については米国特許出願公開第2013/0079536号明細書(US 2013/0079536)、国際公開第2011/107739号(WO 2011/107739 A1)および物理的性質についてはLube Magazine No.120,April 2014,page 27を参照)。
このポリマーの構造は、本発明によるポリグリセロール部分エステルとは異なり、したがって、本発明には包含されない。
*)Perfad(商標)3050の所与の値;Perfad(商標)3057は、Perfad(商標)3050の希釈形態である。
100℃での摩擦係数の測定は、PCS Instrumentsのミニトラクションマシン(MTM)で行った。この試験は、スチールボールとスチールディスクによって形成される潤滑接触部において生じる摩擦レベルを評価することからなる。ボールとディスクの速度は、独立して設定される。ボールは、スチールディスクに対して転がり滑り状態で負荷および摩擦され、接触部は、完全に油に浸漬される。
次いで、第3表に示す条件下で摩擦係数を測定することによってストライベックを得た。
台形公式を使用した滑り速度0.005〜2.5m/sの範囲における摩擦値曲線の積分。この面積は、試験した全速度範囲にわたる「全摩擦」に対応している。面積が小さいほど、試験したポリマーの摩擦低減効果は大きくなる。
Claims (14)
- 潤滑油組成物であって、
(a)前記潤滑油組成物の全重量に対して0.2〜5重量%のポリグリセロール部分エステルと、
(b)前記潤滑油組成物の全重量に対して85〜99.8重量%のAPIグループII、IIIおよびIVからなる群から選択される非極性ベースストックならびに/またはそれらの混合物と、
(c)前記潤滑油組成物の全重量に対して0〜10重量%の米国石油協会(API)の定義に従ったグループVの極性エステル油と
を含み、前記ポリグリセロール部分エステルは、ポリグリセロール混合物を、
(i)多官能性カルボン酸および
(ii)飽和もしくは不飽和の直鎖状もしくは分枝鎖状の脂肪酸および/または
(ii)ポリ(ヒドロキシステアリン酸)
でエステル化することによって得られることを特徴とし、ここで、前記ポリグリセロール混合物のエステル化度は、OH基の30〜75%である、潤滑油組成物。 - 前記ポリグリセロールが、3〜6の平均縮合度を有することを特徴とする、請求項1記載の潤滑油組成物。
- 前記飽和または不飽和の直鎖状または分枝鎖状の脂肪酸が、8〜22個の炭素原子、好ましくは12〜18個の炭素原子を有することを特徴とする、請求項1または2記載の潤滑油組成物。
- 前記飽和脂肪酸が、カプリル酸、カプリン酸、ラウリン酸、トリデカン酸、ミリスチン酸、パルミチン酸、マルガリン酸、ステアリン酸、イソステアリン酸、アラキジン酸、ベヘン酸、12−ヒドロキシステアリン酸およびそれらの混合物からなる群から選択される、請求項1、2または3記載の潤滑油組成物。
- 前記不飽和脂肪酸が、ヘキサデセン酸、オクタデセン酸、エイコセン酸、ドコセン酸、オクタデカジエン酸、オクタデカトリエン酸、リシノール酸およびそれらの混合物からなる群から選択されることを特徴とする、請求項1、2、3または4記載の潤滑油組成物。
- 前記多官能性カルボン酸が、4〜54個の炭素原子、好ましくは6〜12個の炭素原子、および2〜2.5の平均官能価を有することを特徴とする、請求項1、2、3、4または5記載の潤滑油組成物。
- 前記多官能性カルボン酸が、マロン酸、コハク酸、フマル酸、マレイン酸、ジメチルグルタル酸、アジピン酸、トリメチルアジピン酸、アゼライン酸、セバシン酸、ドデカン二酸およびそれらの無水物からなる群から選択される脂肪族ジカルボン酸であることを特徴とする、請求項1、2、3、4、5または6記載の潤滑油組成物。
- 前記ポリグリセロール部分エステルが、3〜7のHLB値を有することを特徴とする、請求項1、2、3、4、5、6または7記載の潤滑油組成物。
- 前記ポリグリセロール部分エステルが、50〜180mgKOH/gの範囲のOH価を有することを特徴とする、請求項1、2、3、4、5、6、7または8記載の潤滑油組成物。
- 1種以上の更なる添加剤を追加で含むことを特徴とする、請求項1、2、3、4、5、6、7、8または9記載の潤滑油組成物。
- 前記1種以上の更なる添加剤が、粘度指数(VI)向上剤、流動点降下剤、分散剤、清浄剤、消泡剤、腐食防止剤、酸化防止剤、耐摩耗添加剤および極圧添加剤および摩擦調整剤からなる群から選択されることを特徴とする、請求項10記載の潤滑油組成物。
- 前記ポリグリセロール部分エステルが、2000〜15000g/mol、好ましくは4000〜10000g/molの重量平均分子量を有することを特徴とする、請求項1、2、3、4、5、6、7、8、9、10または11記載の潤滑油組成物。
- 請求項1から12までのいずれか1項記載の潤滑油組成物を使用してエンジンを潤滑させる方法。
- 請求項1から12までのいずれか1項記載の潤滑油組成物を適用することによってエンジン内の摩擦を低減させる方法。
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BR112019003247B1 (pt) | 2016-08-18 | 2022-01-25 | Evonik Operations Gmbh | Ésteres de poliglicerol reticulados, seu método de preparo e uso e preparações cosméticas ou farmacêuticas |
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CN113512460B (zh) * | 2021-08-13 | 2022-10-21 | 福建科恩优路润滑油有限公司 | 抗磨清洁型车用润滑油及其制备工艺 |
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