CN102741385A - 润滑油组合物 - Google Patents
润滑油组合物 Download PDFInfo
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- CN102741385A CN102741385A CN2010800633589A CN201080063358A CN102741385A CN 102741385 A CN102741385 A CN 102741385A CN 2010800633589 A CN2010800633589 A CN 2010800633589A CN 201080063358 A CN201080063358 A CN 201080063358A CN 102741385 A CN102741385 A CN 102741385A
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- 239000000203 mixture Substances 0.000 title claims abstract description 94
- 239000010687 lubricating oil Substances 0.000 title claims abstract description 64
- 238000002156 mixing Methods 0.000 claims abstract description 50
- 229920013639 polyalphaolefin Polymers 0.000 claims abstract description 16
- 239000002199 base oil Substances 0.000 claims abstract description 11
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000004711 α-olefin Substances 0.000 claims abstract description 6
- 239000003921 oil Substances 0.000 claims description 10
- 239000005864 Sulphur Substances 0.000 claims description 6
- 229910052717 sulfur Inorganic materials 0.000 abstract 1
- 239000011593 sulfur Substances 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 description 13
- -1 SULPHOSUCCINIC ACID ESTER Chemical class 0.000 description 9
- 208000019901 Anxiety disease Diseases 0.000 description 8
- 102100032800 Spermine oxidase Human genes 0.000 description 8
- 230000036506 anxiety Effects 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 238000010008 shearing Methods 0.000 description 6
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- 239000002253 acid Substances 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 4
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- 239000002516 radical scavenger Substances 0.000 description 4
- 229920002545 silicone oil Polymers 0.000 description 4
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical class O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 235000014113 dietary fatty acids Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 229930195729 fatty acid Natural products 0.000 description 3
- 239000000194 fatty acid Substances 0.000 description 3
- 239000003112 inhibitor Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
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- YGSDEFSMJLZEOE-UHFFFAOYSA-M salicylate Chemical compound OC1=CC=CC=C1C([O-])=O YGSDEFSMJLZEOE-UHFFFAOYSA-M 0.000 description 3
- 229960001860 salicylate Drugs 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- JXLHNMVSKXFWAO-UHFFFAOYSA-N azane;7-fluoro-2,1,3-benzoxadiazole-4-sulfonic acid Chemical compound N.OS(=O)(=O)C1=CC=C(F)C2=NON=C12 JXLHNMVSKXFWAO-UHFFFAOYSA-N 0.000 description 2
- 150000003939 benzylamines Chemical class 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- 229940070765 laurate Drugs 0.000 description 2
- 150000002632 lipids Chemical class 0.000 description 2
- 150000002989 phenols Chemical class 0.000 description 2
- UEZVMMHDMIWARA-UHFFFAOYSA-M phosphonate Chemical compound [O-]P(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-M 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 2
- 150000003852 triazoles Chemical class 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 239000000263 2,3-dihydroxypropyl (Z)-octadec-9-enoate Substances 0.000 description 1
- VPWNQTHUCYMVMZ-UHFFFAOYSA-N 4,4'-sulfonyldiphenol Chemical class C1=CC(O)=CC=C1S(=O)(=O)C1=CC=C(O)C=C1 VPWNQTHUCYMVMZ-UHFFFAOYSA-N 0.000 description 1
- 229930185605 Bisphenol Natural products 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
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- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 1
- 239000005069 Extreme pressure additive Substances 0.000 description 1
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical class C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 1
- 101100244348 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) pma-1 gene Proteins 0.000 description 1
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 101710167338 Spermine oxidase Proteins 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 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
- RYYWUUFWQRZTIU-UHFFFAOYSA-N Thiophosphoric acid Chemical compound OP(O)(S)=O RYYWUUFWQRZTIU-UHFFFAOYSA-N 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000004517 catalytic hydrocracking Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000000254 damaging effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical class C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
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- 150000002460 imidazoles Chemical class 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- RZRNAYUHWVFMIP-UHFFFAOYSA-N monoelaidin Natural products CCCCCCCCC=CCCCCCCCC(=O)OCC(O)CO RZRNAYUHWVFMIP-UHFFFAOYSA-N 0.000 description 1
- 150000005002 naphthylamines Chemical class 0.000 description 1
- 229940049964 oleate Drugs 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000012169 petroleum derived wax Substances 0.000 description 1
- 235000019381 petroleum wax Nutrition 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
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 229940051841 polyoxyethylene ether Drugs 0.000 description 1
- 229920000056 polyoxyethylene ether Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 150000003890 succinate salts Chemical class 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 229960002317 succinimide Drugs 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 150000004867 thiadiazoles Chemical class 0.000 description 1
- WMYJOZQKDZZHAC-UHFFFAOYSA-H trizinc;dioxido-sulfanylidene-sulfido-$l^{5}-phosphane Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S WMYJOZQKDZZHAC-UHFFFAOYSA-H 0.000 description 1
- 239000010913 used oil Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
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- C10M111/00—Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential
- C10M111/04—Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential at least one of them being a macromolecular organic compound
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Abstract
本发明提供润滑油组合物，所述润滑油组合物的特征在于掺混以组合物总量为基准计为5%质量以上且70%质量以下的(A)润滑油用基础油和以组合物总量为基准计为15%质量以上且30%质量以下的(B)聚-α-烯烃而成，所述(A)润滑油用基础油为硫含量以组合物总量为基准计为0.03%质量以下，100℃下的动力粘度为0.5mm2/s以上且1.5mm2/s以下的润滑油用基础油，所述(B)聚-α-烯烃为100℃下的动力粘度为150mm2/s以上的聚-α-烯烃。
Description
技术领域
本发明涉及润滑油组合物。
背景技术
近年来，以全球范围的二氧化碳排放量问题以及世界性的能源需求的增大为背景，对汽车节油耗化的要求日益增高。其中，对于作为汽车部件的变速器也要求对节油耗化有比以前更大的贡献。
例如，作为变速器节油耗化手段之一，可列举出润滑油的低粘度化，但低粘度化的润滑油在高温下的油膜保持性降低，往往产生咬粘(焼き付き)的发生或疲劳寿命的降低等问题。
在专利文献1中，作为可长时间维持变速特性的润滑油组合物，对掺混各种添加剂，进行最优化的组合物进行了报道。但是，由于专利文献1中记载的发明并非以节油耗化为目的，所以动力粘度高，未研究低粘度化时的疲劳寿命。
另一方面，就粘度指数而言，现状是市场上使用150~250左右的产品，但为进一步节油耗化，希望在维持高温下的粘度的同时，从低温起动性的观点出发降低低温下的粘度，即所谓的高粘度指数化。
例如，专利文献2中公开的润滑油组合物使用聚甲基丙烯酸酯(PMA)作为粘度指数改进剂，提高粘度指数。另外，专利文献3和专利文献4中公开的润滑油组合物使用高粘度合成油(聚-α-烯烃：PAO)，提高粘度特性，而且掺混对疲劳寿命的提高有效的烯烃共聚物(OCP)。
现有技术文献
专利文献
专利文献1：日本特开2001-262176号公报
专利文献2：日本特开2006-117852号公报
专利文献3：日本特开2008-208220号公报
专利文献4：日本特开2008-208221号公报。
发明内容
发明所要解决的课题
但是，为提高高温时的粘度，虽然粘度指数改进剂的掺混是有效的，但剪切时的粘度降低大(剪切稳定性的降低)，担心油膜形成能力的降低所伴有的磨损或疲劳的问题。另外，疲劳寿命的改善与高粘度指数化呈相反的关系，在专利文献2中存在虽然粘度指数提高，但油膜保持性差的问题。另外，在专利文献3和4中，未因OCP的掺混而获得PAO所具有的粘度指数以上的粘度指数，未对高粘度指数化进行研究。即，在具有足够的疲劳寿命的同时提高粘度指数的技术，既未实现，也未研究。
因此，本发明的目的在于：提供一种润滑油组合物，其维持所必需的剪切稳定性，其中，所述润滑油组合物的低温粘度特性优异，节油耗性高，可维持疲劳寿命。
解决课题的手段
本发明人为解决上述课题而进行深入研究，结果发现，通过如下组合特定的基础油和添加剂，可解决上述课题，从而完成本发明。
即，本发明提供以下润滑油组合物。
(1) 润滑油组合物，所述润滑油组合物的特征在于：掺混以组合物总量为基准计为5%质量以上且70%质量以下的(A)润滑油用基础油和以组合物总量为基准计为15%质量以上且30%质量以下的(B)聚-α-烯烃而成，所述(A)润滑油用基础油为硫含量为0.03%质量以下，100℃下的动力粘度为0.5mm2/s以上且1.5mm2/s以下的润滑油用基础油，所述(B)聚-α-烯烃为100℃下的动力粘度为150mm2/s以上的聚-α-烯烃。
(2) 润滑油组合物，其为上述润滑油组合物，其特征在于：进一步掺混100℃下的动力粘度为0.5mm2/s以上且4mm2/s以下的硅酮油而成。
(3) 润滑油组合物，其为上述润滑油组合物，其特征在于：进一步掺混质量平均分子量(Mw)为100000以上的聚甲基丙烯酸酯而成。
(4) 润滑油组合物，其为上述润滑油组合物，其特征在于：进一步掺混100℃下的动力粘度为1.5mm2/s以上且2.5mm2/s以下的聚-α-烯烃而成。
(5) 润滑油组合物，其为上述润滑油组合物，其特征在于：上述(A)成分在100℃下的动力粘度为0.7mm2/s以上且1.3mm2/s以下，上述(B)成分在100℃下的动力粘度为150mm2/s以上且400mm2/s以下，掺混以组合物总量为基准计为0.1%质量以上且5.0%质量以下的质量平均分子量为300000以上的聚甲基丙烯酸酯和以组合物总量为基准计为0.1%质量以上且60%质量以下的100℃下的动力粘度为1.7mm2/s以上且2.1mm2/s以下的聚-α-烯烃而成。
(6) 润滑油组合物，其为上述润滑油组合物，其特征在于：用于变速器。
发明的效果
根据本发明，可提供维持与过去同等的剪切稳定性，并且低温粘度特性优异的润滑油组合物。另外，在使用本润滑油组合物作为变速器用润滑油等时，节油耗性高，并且可维持疲劳寿命。
具体实施方式
本发明的润滑油组合物的特征在于掺混上述各成分而成。以下进行详细说明。
[(A)成分]
本发明的润滑油组合物，掺混以组合物总量为基础5%质量以上且70%质量以下的润滑油用基础油作为(A)成分，所述润滑油用基础油的硫含量为0.03%质量以下，100℃下的动力粘度为0.5mm2/s以上且1.5mm2/s以下、更优选0.7mm2/s以上且1.3mm2/s以下。
若(A)成分中的硫含量超过0.03%质量，则氧化稳定性变差。
若100℃下的动力粘度小于0.5mm2/s，则蒸发性大幅提高，润滑油消耗量有增多之虞。另外，若100℃下的动力粘度大于1.5mm2/s，则粘度指数降低。
另外，掺混量若少于5%质量，则粘度指数降低，若多于70%质量，则润滑油组合物的粘度降低，在用于变速器时，机械部件的磨损有增大之虞，故不优选。
作为(A)成分中使用的基础油，矿物油和合成油均可使用，但由于矿物油一方可使用更低粘度的基材，故优选。
作为矿物油，只要是通常作为变速器用润滑油的基础油使用的矿物油即可，无特殊限制，例如可优选使用将原油进行常压蒸馏和减压蒸馏获得的润滑油馏分通过适当组合如下精制处理进行精制而成的链烷属烃类、环烷属烃类等：溶剂脱沥青、溶剂提取、加氢裂解、溶剂脱蜡、催化脱蜡、加氢精制、硫酸洗涤或粘土处理等。
作为(A)成分，在矿物油和合成油中，既可单独使用100℃下的动力粘度在上述范围内的物质，也可将从其中选择的2种以上以任意比例混合使用。
[(B)成分]
本发明的润滑油组合物，掺混以组合物总量为基准计为15%质量以上且30%质量以下的聚-α-烯烃作为(B)成分，所述聚-α-烯烃100℃下的动力粘度为150mm2/s以上、更优选150mm2/s以上且400mm2/s以下。
若100℃下的动力粘度低于150mm2/s，则粘度指数降低，在用于变速器时，机械部件的磨损有增大之虞，故不优选。
当掺混量少于15%质量时，成品油的粘度降低，在用于变速器时，机械部件的磨损有增大之虞，故不优选。另外，若掺混量多于30%质量，则粘度升高，存在发生磨擦损失增大这种不良的情况。
由于本发明的润滑油组合物掺混上述(A)成分和(B)成分而成，所以可提供维持与过去同等的剪切稳定性，并且低温粘度特性优异的润滑油组合物。
[其它成分]
本发明的润滑油组合物通过向上述(A)成分和(B)成分中进一步掺混以下成分，可制成低温粘度特性更加优异的组合物。
当掺混硅酮油时，优选使用100℃下的动力粘度为0.5mm2/s以上且4mm2/s以下的硅酮油。当100℃下的动力粘度小于0.5mm2/s时，有大幅降低润滑油组合物的引火点之虞，当大于4mm2/s时，粘度指数存在降低的可能性，不优选。
该硅酮油的优选掺混量为，以组合物总量为基准计为5%质量以上且50%质量以下。以往，硅酮油虽然粘度指数高，但溶解性存在问题。在本发明的润滑油组合物中，通过以上述掺混量掺混各成分，可使溶解性不产生问题而提高粘度指数。但是，若多于50%质量，则溶解性降低，硅酮油有分离或沉淀之虞。
另外，在本发明的润滑油组合物中优选进一步掺混质量平均分子量为100000以上的聚甲基丙烯酸酯。聚甲基丙烯酸酯以提高粘度指数为目的掺混，但若质量平均分子量小于100000，则存在粘度指数提高能力不足的可能性。该聚甲基丙烯酸酯的优选掺混量为，以组合物总量为基准计为0.1%质量以上且5.0%质量以下。当少于0.1%质量时，粘度指数提高能力不足，若多于5.0%质量，则润滑油组合物的剪切稳定性存在降低的可能性。
在本发明的润滑油组合物中优选进一步掺混100℃下的动力粘度为1.5mm2/s以上且2.5mm2/s以下、更优选1.7mm2/s以上且2.1mm2/s以下的聚-α-烯烃。
若100℃下的动力粘度小于1.5mm2/s，则存在产生蒸发性升高的这种不良的情况，若大于2.5mm2/s，则润滑油组合物的粘度升高，磨擦损失有增大之虞。
该PAO的掺混量优选为，以组合物总量为基准计为0.1%质量以上且60%质量以下，特别是当掺混多于60%质量时，润滑油组合物的粘度指数有降低之虞。
[其它添加剂]
在本发明的润滑油组合物中，也可在不损害本发明的效果的范围内根据需要进一步掺混其它添加剂，例如净化剂、无灰类分散剂、抗磨剂、摩擦调节剂、防锈剂、金属钝化剂、消泡剂和抗氧化剂、着色剂等。
作为净化剂，可列举出中性金属磺酸盐、中性金属酚盐、中性金属水杨酸盐、中性金属膦酸盐、碱性磺酸盐、碱性酚盐、碱性水杨酸盐、高碱性磺酸盐、高碱性水杨酸盐、高碱性膦酸盐等金属类净化剂。优选的掺混量为，以组合物总量为基准计为0.01%质量以上且10%质量以下左右。
作为无灰类分散剂，例如可列举出琥珀酰亚胺类、含硼琥珀酰亚胺类、苄胺类、含硼苄胺类、琥珀酸酯类、以脂肪酸或琥珀酸为代表的一元或二元羧酸的酰胺类等。无灰类分散剂的优选掺混量为，以组合物总量为基准计为0.1%质量以上且20%质量以下左右。
作为抗磨剂，例如可列举出硫代磷酸金属盐(Zn、Pb、Sb等)或硫代氨基甲酸金属盐(Zn等)之类的硫类抗磨剂、磷酸酯(磷酸三甲苯酯)之类的磷类抗磨剂。抗磨剂的优选掺混量为，以组合物总量为基准计为0.05%质量以上且5%质量以下左右。
作为摩擦调节剂，例如可列举出新戊二醇单月桂酸酯、三羟甲基丙烷单月桂酸酯、甘油单油酸酯(单油酸甘油酯)等多元醇偏酯等。摩擦调节剂的优选掺混量为，以组合物为基准计为0.05%质量以上且4%质量以下左右。
作为防锈剂，例如可列举出脂肪酸、烯基琥珀酸半酯、脂肪酸皂、烷基磺酸盐、多元醇脂肪酸酯、脂肪酸酰胺、氧化石蜡、烷基聚氧乙烯醚等。防锈剂的优选掺混量为，以组合物总量为基准计为0.01%质量以上且3%质量以下左右。
作为金属钝化剂，例如可列举出苯并三唑、苯并三唑衍生物、三唑、三唑衍生物、咪唑、咪唑衍生物、噻二唑等，可单独或组合2种以上使用。金属钝化剂的优选掺混量为，以组合物总量为基准计为0.01%质量以上且5%质量以下左右。
作为消泡剂，例如可将硅酮类化合物、酯类化合物等单独或组合2种以上使用。消泡剂的优选掺混量为，以组合物总量为基准计为0.05%质量以上且5%质量以下左右。
作为抗氧化剂，优选使用受阻酚类或胺类抗氧化剂或烷基二硫代磷酸锌(ZnDTP)等。作为酚类，特别优选双酚类或含酯基酚类抗氧化剂。作为胺类，优选二烷基二苯胺类或萘胺类。抗氧化剂的优选掺混量为0.05%质量以上且7%质量以下左右。
掺混以上成分而成的本发明的润滑油组合物，通过满足上述成分、掺混量和粘度，可在维持与过去同等的高温下的粘度和剪切后的粘度的同时，大幅降低低温下的粘度。因此，当作为变速器用润滑油组合物使用时，节油耗性高，发挥可维持疲劳寿命的效果，也不损害机械的耐久性和可靠性。
实施例
以下通过实施例对本发明进行更详细的说明，但本发明不因这些实例而受任何限定。
[实施例1~5、比较例1~5]
按照如表1所示的组成调制润滑油组合物，根据如下所示的方法测定所调制的组合物在100℃和-40℃下的动力粘度、剪切后粘度。
需要说明的是，表1中记载的成分如下所示：
矿物油-1：硫含量为0.03%质量以下，100℃下的动力粘度为1.0mm2/s，40℃下的动力粘度为2.6mm2/s的矿物油
矿物油-2：硫含量为0.03%质量以下，100℃下的动力粘度为6.5mm2/s，40℃下的动力粘度为37mm2/s的矿物油
PAO-1：100℃下的动力粘度为300mm2/s的PAO
PAO-2：100℃下的动力粘度为1.8mm2/s的PAO
PAO-3：100℃下的动力粘度为100mm2/s的PAO
酯：100℃下的动力粘度为3.4mm2/s的油酸丁氧基乙酯
硅酮1：100℃下的动力粘度为0.9mm2/s的聚二甲基硅氧烷
硅酮2：100℃下的动力粘度为3.4mm2/s的聚二甲基硅氧烷
PMA-1：质量平均分子量500000的聚甲基丙烯酸酯
PMA-2：质量平均分子量20000的聚甲基丙烯酸酯
其它添加剂：净化剂(磺酸钙等)、分散剂(琥珀酰亚胺等)、极压添加剂和抗磨剂(硫化物、磷酸化合物、硫化磷化合物等)、消泡剂、铜钝化剂等。
[粘度指数]
依据JIS K2283进行测定。
[100℃和-40℃下的动力粘度]
依据JIS K2283进行测定。
[剪切前后动力粘度]
依据JASO M-347，测定30小时试验前后在140℃下的动力粘度。
[表1]
[评价结果]
由表1可知，本发明的实施例均可在充分维持100℃下的动力粘度和剪切后的动力粘度的同时，大幅降低-40℃下的动力粘度。
另外，由实施例2、3可知，通过掺混硅酮，-40℃下的动力粘度大幅降低。
另外，对于粘度不同的矿物油或PAO的选择或掺混量以及PMA的掺混量，通过比较实施例4、5和比较例2~5可知，在满足本申请发明的成分和掺混量后，可起到作为本申请目的的效果(维持高温下的动力粘度和剪切后动力粘度，大幅降低低温下的动力粘度)。此外，由比较例3、4可知，通过掺混聚甲基丙烯酸酯，粘度指数提高，但剪切后的粘度降低，所以担心防磨性和耐疲劳寿命的降低。
产业上的可利用性
本发明可作为润滑油组合物利用，特别是可作为变速器用润滑油适宜地利用。
Claims (6)
1. 润滑油组合物，所述润滑油组合物的特征在于：
掺混以组合物总量为基准计为5%质量以上且70%质量以下的(A)硫含量为0.03%质量以下，100℃下的动力粘度为0.5mm2/s以上且1.5mm2/s以下的润滑油用基础油，和
以组合物总量为基准计为15%质量以上且30%质量以下的(B)100℃下的动力粘度为150mm2/s以上的聚-α-烯烃而成。
2. 权利要求1的润滑油组合物，其特征在于：
进一步掺混100℃下的动力粘度为0.5mm2/s以上且4mm2/s以下的硅酮油而成。
3. 权利要求1或2的润滑油组合物，其特征在于：
进一步掺混质量平均分子量为100000以上的聚甲基丙烯酸酯而成。
4. 权利要求1~3中任一项的润滑油组合物，其特征在于：
进一步掺混100℃下的动力粘度为1.5mm2/s以上且2.5mm2/s以下的聚-α-烯烃而成。
5. 权利要求1的润滑油组合物，其特征在于：
上述(A)成分在100℃下的动力粘度为0.7mm2/s以上且1.3mm2/s以下，
上述(B)成分在100℃下的动力粘度为150mm2/s以上且400mm2/s以下，
进一步掺混以组合物总量为基准计为0.1%质量以上且5.0%质量以下的质量平均分子量为300000以上的聚甲基丙烯酸酯，和
以组合物总量为基准计为0.1%质量以上且60%质量以下的100℃下的动力粘度为1.7mm2/s以上且2.1mm2/s以下的聚-α-烯烃而成。
6. 权利要求1~5中任一项的润滑油组合物，其特征在于：
其用于变速器。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010026545A JP5638256B2 (ja) | 2010-02-09 | 2010-02-09 | 潤滑油組成物 |
| JP2010-026545 | 2010-02-09 | ||
| PCT/JP2010/070427 WO2011099207A1 (ja) | 2010-02-09 | 2010-11-17 | 潤滑油組成物 |
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| Publication Number | Publication Date |
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| CN102741385A true CN102741385A (zh) | 2012-10-17 |
| CN102741385B CN102741385B (zh) | 2016-04-13 |
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| CN201080063358.9A Expired - Fee Related CN102741385B (zh) | 2010-02-09 | 2010-11-17 | 润滑油组合物 |
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| US (1) | US20120309659A1 (zh) |
| EP (1) | EP2535398A4 (zh) |
| JP (1) | JP5638256B2 (zh) |
| KR (1) | KR20120125358A (zh) |
| CN (1) | CN102741385B (zh) |
| WO (1) | WO2011099207A1 (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107429180A (zh) * | 2015-09-17 | 2017-12-01 | 李永瑞 | 减少温室气体、氮氧化物及颗粒物的燃料添加剂 |
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| JP5646859B2 (ja) * | 2010-02-17 | 2014-12-24 | 出光興産株式会社 | 無段変速機用潤滑油組成物 |
| JP5542726B2 (ja) * | 2011-03-29 | 2014-07-09 | Ｊｘ日鉱日石エネルギー株式会社 | 潤滑油組成物 |
| JP5897418B2 (ja) * | 2012-07-13 | 2016-03-30 | 出光興産株式会社 | 潤滑油組成物及びそれを用いた自動車用変速機油 |
| JP2015525827A (ja) * | 2012-08-14 | 2015-09-07 | ダウ コーニング コーポレーションＤｏｗ Ｃｏｒｎｉｎｇ Ｃｏｒｐｏｒａｔｉｏｎ | 潤滑剤組成物 |
| KR101439132B1 (ko) * | 2012-12-05 | 2014-11-03 | 현대자동차주식회사 | 저점도 엔진오일 조성물 |
| JP6235864B2 (ja) * | 2013-10-30 | 2017-11-22 | 出光興産株式会社 | 潤滑油組成物 |
| US20160340601A1 (en) | 2014-02-04 | 2016-11-24 | Evonik Oil Additives Gmbh | Lubricant composition containing organomodified siloxanes |
| JP6259728B2 (ja) * | 2014-06-30 | 2018-01-10 | 出光興産株式会社 | 潤滑油組成物 |
| JP6810657B2 (ja) * | 2017-05-30 | 2021-01-06 | シェルルブリカンツジャパン株式会社 | 自動変速機用潤滑油組成物 |
| KR102097232B1 (ko) * | 2019-02-28 | 2020-04-06 | 대림산업 주식회사 | 기어유용 윤활유 조성물 |
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- 2010-11-17 KR KR1020127023395A patent/KR20120125358A/ko not_active Application Discontinuation
- 2010-11-17 EP EP10845798.7A patent/EP2535398A4/en not_active Withdrawn
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| CN107429180B (zh) * | 2015-09-17 | 2020-08-25 | 李永瑞 | 减少温室气体、氮氧化物及颗粒物的燃料添加剂 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2535398A1 (en) | 2012-12-19 |
| WO2011099207A1 (ja) | 2011-08-18 |
| EP2535398A4 (en) | 2013-08-14 |
| CN102741385B (zh) | 2016-04-13 |
| JP2011162652A (ja) | 2011-08-25 |
| KR20120125358A (ko) | 2012-11-14 |
| JP5638256B2 (ja) | 2014-12-10 |
| US20120309659A1 (en) | 2012-12-06 |
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