CN107250328A - 润滑脂组合物 - Google Patents
润滑脂组合物 Download PDFInfo
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- CN107250328A CN107250328A CN201680009344.6A CN201680009344A CN107250328A CN 107250328 A CN107250328 A CN 107250328A CN 201680009344 A CN201680009344 A CN 201680009344A CN 107250328 A CN107250328 A CN 107250328A
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- lubricant composition
- thickener
- base oil
- alpha olefin
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- 239000000314 lubricant Substances 0.000 title claims abstract description 32
- 239000000203 mixture Substances 0.000 title claims abstract description 32
- 239000002562 thickening agent Substances 0.000 claims abstract description 11
- 229920013639 polyalphaolefin Polymers 0.000 claims abstract description 10
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 8
- -1 fatty acid calcium salt Chemical class 0.000 claims abstract description 7
- 239000000194 fatty acid Substances 0.000 claims abstract description 6
- 235000014113 dietary fatty acids Nutrition 0.000 claims abstract description 5
- 229930195729 fatty acid Natural products 0.000 claims abstract description 5
- 239000002199 base oil Substances 0.000 claims description 14
- 239000004519 grease Substances 0.000 claims description 7
- 230000001050 lubricating effect Effects 0.000 claims description 7
- 229940060184 oil ingredients Drugs 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 2
- 230000008719 thickening Effects 0.000 claims 1
- 238000004073 vulcanization Methods 0.000 description 8
- 229920000459 Nitrile rubber Polymers 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 159000000007 calcium salts Chemical class 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 239000011733 molybdenum Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 239000013556 antirust agent Substances 0.000 description 2
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical compound C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 description 2
- 239000004359 castor oil Substances 0.000 description 2
- 235000019438 castor oil Nutrition 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000006078 metal deactivator Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- IWDCLRJOBJJRNH-UHFFFAOYSA-N p-cresol Chemical class CC1=CC=C(O)C=C1 IWDCLRJOBJJRNH-UHFFFAOYSA-N 0.000 description 2
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 description 2
- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical compound C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 description 1
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 101100361281 Caenorhabditis elegans rpm-1 gene Proteins 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
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- 229910019142 PO4 Inorganic materials 0.000 description 1
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- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 description 1
- QDAYJHVWIRGGJM-UHFFFAOYSA-B [Mo+4].[Mo+4].[Mo+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O Chemical compound [Mo+4].[Mo+4].[Mo+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QDAYJHVWIRGGJM-UHFFFAOYSA-B 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 239000007866 anti-wear additive Substances 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- QUAGBBNZTYHUEY-UHFFFAOYSA-N carbamic acid;molybdenum Chemical group [Mo].NC(O)=O QUAGBBNZTYHUEY-UHFFFAOYSA-N 0.000 description 1
- DKVNPHBNOWQYFE-UHFFFAOYSA-N carbamodithioic acid Chemical compound NC(S)=S DKVNPHBNOWQYFE-UHFFFAOYSA-N 0.000 description 1
- 150000007942 carboxylates Chemical class 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 239000012990 dithiocarbamate Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 229920001973 fluoroelastomer Polymers 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- ZQKXQUJXLSSJCH-UHFFFAOYSA-N melamine cyanurate Chemical compound NC1=NC(N)=NC(N)=N1.O=C1NC(=O)NC(=O)N1 ZQKXQUJXLSSJCH-UHFFFAOYSA-N 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 1
- YCWSUKQGVSGXJO-NTUHNPAUSA-N nifuroxazide Chemical group C1=CC(O)=CC=C1C(=O)N\N=C\C1=CC=C([N+]([O-])=O)O1 YCWSUKQGVSGXJO-NTUHNPAUSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-L succinate(2-) Chemical compound [O-]C(=O)CCC([O-])=O KDYFGRWQOYBRFD-UHFFFAOYSA-L 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 150000004867 thiadiazoles Chemical class 0.000 description 1
- ITRNXVSDJBHYNJ-UHFFFAOYSA-N tungsten disulfide Chemical compound S=[W]=S ITRNXVSDJBHYNJ-UHFFFAOYSA-N 0.000 description 1
Classifications
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- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/02—Mixtures of base-materials and thickeners
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- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/04—Mixtures of base-materials and additives
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- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/04—Mixtures of base-materials and additives
- C10M169/041—Mixtures of base-materials and additives the additives being macromolecular compounds only
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/028—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
- 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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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
- C10M2207/126—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids monocarboxylic
- C10M2207/1265—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids monocarboxylic used as thickening agent
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
- C10M2207/128—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids containing hydroxy groups; Ethers thereof
- C10M2207/1285—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids containing hydroxy groups; Ethers thereof used as thickening agents
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- C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
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Abstract
本发明公开一种润滑脂组合物，其包含聚α‑烯烃和是脂肪酸钙盐的增稠剂。所述组合物适于在密封轴承中的密封件‑金属界面处使用。
Description
技术领域
本发明涉及一种润滑脂组合物并且涉及所述润滑脂组合物用于密封轴承中的用途。
背景技术
密封轴承在许多不同类型的机械中使用。密封件防止污物和水进入，污物和水可能破坏轴承并且损害机械的功能。典型密封件材料包括丙烯腈-丁二烯橡胶(NBR)和氟弹性体(FKM)。在密封件接触点处提供润滑脂来延长密封件的寿命。在密封件-金属界面处存在显著摩擦力，这可能导致发热和效率损失。本发明者寻求提供可以用于减少密封件-金属界面处的摩擦力并且由此提高密封轴承的效率的润滑脂组合物。
发明内容
本发明者已出乎意料地发现低粘度聚α-烯烃基础油与钙增稠剂的组合可以提供在密封件-金属界面处特定产生低摩擦力的润滑脂。因此，本发明提供一种润滑脂组合物，其包含40重量％到90重量％第一基础油组分，其为聚α-烯烃并且在100℃下的动态粘度介于1mm2/s到5mm2/s之间，其中重量百分比是按润滑脂组合物的重量计；并且包含是C13-C21脂肪酸钙盐的增稠剂。
另一方面，本发明提供润滑脂组合物用于密封轴承中的密封件-金属界面处的用途，其中所述润滑脂组合物包含基础油和增稠剂，其中所述基础油包含40重量％到90重量％第一基础油，其为聚α-烯烃并且在100℃下的动态粘度介于1mm2/s到5mm2/s之间，其中所述重量百分比是按润滑脂组合物的重量计；并且包含是C13-C21脂肪酸钙盐的增稠剂。
具体实施方式
润滑脂组合物包含40重量％到90重量％第一基础油组分，其为聚α-烯烃并且在100℃下的动态粘度介于1mm2/s到5mm2/s之间。润滑脂组合物可以包含其它基础油，但优选地，第一基础油组分占至少50重量％，并且优选地至少80重量％总基础油(按润滑脂组合物中基础油的总重量计)。
润滑脂组合物中的增稠剂是C13-C21脂肪酸钙盐，并且优选地是氢化的蓖麻油脂肪酸钙盐。按润滑脂组合物的重量计，增稠剂的量优选地是2重量％到18重量％，更优选地是2重量％到14重量％。
本发明的润滑脂组合物还可以包含抗氧化剂、防锈剂、油性剂、极压添加剂、抗磨剂、固体润滑剂、金属去活化剂、聚合物、清洁剂以及其它添加剂。
抗氧化剂包括例如2,6-二-叔丁基-4-甲基苯酚、2,6-二-叔丁基-对甲酚、P,P'-二辛基二苯基胺、N-苯基-α-萘胺以及吩噻嗪。
防锈剂包括石蜡氧化物、羧酸金属盐、磺酸金属盐、羧酸酯、磺酸酯、丁二酸酯、脱水山梨糖醇酯以及多种胺盐。
油性剂、极压添加剂和抗磨剂包括例如硫化二烷基二硫代磷酸锌、硫化二芳基二硫代磷酸锌、硫化二烷基二硫代氨基甲酸锌、硫化二芳基二硫代氨基甲酸锌、硫化二烷基二硫代磷酸钼、硫化二芳基二硫代磷酸钼、硫化二烷基二硫代氨基甲酸钼、硫化二芳基二硫代氨基甲酸钼、有机钼络合物、硫化烯烃、磷酸三苯酯、硫逐磷酸三苯酯、磷酸三甲苯酯、其它磷酸酯以及硫化脂肪和油。
固体润滑剂包括例如二硫化钼、石墨、氮化硼、氰尿酸三聚氰胺、PTFE(聚四氟乙烯)、二硫化钨、云母、氟化石墨等。
金属去活化剂包括例如N,N'-二亚水杨基-1,2-二氨基丙烷、苯并***、苯并咪唑、苯并噻唑以及噻二唑。
润滑脂组合物可以使用标准润滑脂制造途径来制造。
本发明的润滑脂组合物适于在密封轴承中的密封件-金属界面处使用。密封件适合地由如丙烯腈-丁二烯橡胶(NBR)、氢化处理的丙烯腈-丁二烯橡胶(HNBR)或氟弹性体(FKM)等材料制成。轴承将含有润滑剂并且应以使本发明的润滑脂组合物不被润滑剂污染的方式来施用本发明的润滑脂组合物。
实例
下文借助于实例和比较例进一步详细解释本发明，但本发明不以任何方式受这些实例限制。
通过向釜中添加基础油和脂肪酸，加热到85-90℃(在3℃/min下)并且在100rpm下搅拌来制备润滑脂。添加粉末形式的氢氧化钙，接着添加水。封闭釜并且加热到135℃(在2℃/min下)。在100rpm下搅拌内容物并且将釜的壁温极限设定为140℃。在达到135℃之后约40分钟，将釜排气。将额外基础油加热到80℃，接着通过泵添加到釜中。在150rpm下搅拌内容物5分钟，且将产物温度保持于130℃到135℃之间。将氮气管连接到釜，并且使内容物暴露于氮气流持续15分钟，由此使样品脱水。在100rpm下搅拌下，使内容物冷却到100℃(在2℃/min下)。在80℃或更低温度下添加添加剂，所述添加剂使用额外基础油进行稀释。在添加添加剂之后，在100rpm下搅拌内容物1分钟。接着使内容物冷却到50-60℃(通过壁温设定来控制：在5℃/min下20℃并且在100rpm下搅拌)。在70℃下，使用-150毫巴真空保持10分钟并以50rpm搅拌，开始脱气。产物在1×300巴下均质化。
全部调配物都概述于下表1中，量按调配物的总重量计以重量百分比形式给出。
表1
PAO 2.0是聚α-烯烃并且在100℃下的粘度是2.0cSt。XHVI 3.0和XHVI 4.0是通过费舍尔-托普希方法(Fischer-Tropsch process)制备的基础油并且从壳牌(Shell)获得。XHVI 3.0在100℃下的粘度是3.0cSt并且XHVI 4.0在100℃下的粘度是4.0cSt。HCOFA是氢化蓖麻油脂肪酸。在每一个实例和比较例中，添加剂包是相同的。
向NBR密封件施用润滑脂。密封轴承运行24小时，接着测量摩擦力。
结果在表2中给出：
表2
| 摩擦力水平(Ncm) | |
| 实例1 | 1.88 |
| 比较例1 | 3.06 |
| 比较例2 | 3.12 |
本发明的润滑脂组合物(其中基础油是聚α-烯烃)与比较例的润滑脂组合物(其中基础油具有类似的粘度但通过费舍尔-托普希方法制成)相比展示了显著降低的摩擦力。
Claims (4)
1.一种润滑脂组合物，其包含40重量％到90重量％第一基础油组分，其为聚α-烯烃并且在100℃下的动态粘度介于1mm2/s到5mm2/s之间，其中所述重量百分比是按所述润滑脂组合物的重量计；并且包含是C13-C21脂肪酸钙盐的增稠剂。
2.根据权利要求1所述的润滑脂组合物，其中按所述润滑脂组合物的重量计，所述增稠剂的量是2重量％到18重量％。
3.一种润滑脂组合物用于密封轴承中的密封件-金属界面处的用途，其中所述润滑脂组合物包含基础油和增稠剂，其中所述基础油包含40重量％到90重量％第一基础油组分，其为聚α-烯烃并且在100℃下的动态粘度介于1mm2/s到5mm2/s之间，其中所述重量百分比是按所述润滑脂组合物的重量计；并且包含是C13-C21脂肪酸钙盐的增稠剂。
4.根据权利要求3所述的润滑脂组合物的用途，其中按所述润滑脂组合物的重量计，所述增稠剂的量是2重量％到18重量％。
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| PCT/EP2016/052733 WO2016128403A1 (en) | 2015-02-11 | 2016-02-09 | Grease composition |
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| US (1) | US20180044605A1 (zh) |
| EP (1) | EP3256552B1 (zh) |
| JP (1) | JP6937241B2 (zh) |
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| CN108970484A (zh) * | 2018-07-13 | 2018-12-11 | 桐乡凡达石油制品有限公司 | 一种调和桶及使用该调和桶的制备冷镦油的方法 |
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| WO2016128403A1 (en) | 2016-08-18 |
| JP2018505281A (ja) | 2018-02-22 |
| CN107250328B (zh) | 2021-05-07 |
| BR112017017308B1 (pt) | 2022-06-28 |
| RU2017129694A (ru) | 2019-03-12 |
| RU2710550C2 (ru) | 2019-12-27 |
| EP3256552B1 (en) | 2019-07-31 |
| RU2017129694A3 (zh) | 2019-07-24 |
| BR112017017308A2 (pt) | 2018-04-03 |
| US20180044605A1 (en) | 2018-02-15 |
| EP3256552A1 (en) | 2017-12-20 |
| JP6937241B2 (ja) | 2021-09-22 |
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