This invention provides a method for extending the life of a lubricant composition, said lubricant composition comprising one or more base oils and one or more additives, wherein at least one of the additive is a depleting additive, said method comprising: i. determining the amount of the one or more depleting additives required for a desired extended lifetime of the lubricant composition, wherein said extended lifetime is longer than the standard lifetime of said lubricant composition; ii. providing a first portion of said one or more depleting additives to the fresh lubricant composition; and iii. providing the remainder of the amount of the one or more depleting additives in two or more portions spread over the standard lifetime of the lubricant composition.
本发明提供了一种用作电动车辆中的传动流体的润滑组合物,所述润滑组合物包含:(iii)基于该润滑组合物的总重量计,至少70重量%的可生物降解性酯基础油,该可生物降解性酯基础油在100℃下的运动粘度在2.5mm2/s至7.0mm2/s的范围内,其中根据OECD测试指南系列301,该酯是可生物降解的;(iv)基于该润滑组合物的总重量计,至少0.5重量%且不超过10重量%的粘度指数改进剂,该粘度指数改进剂是至少一种高粘度酯,该至少一种高粘度酯在100℃下的运动粘度为至少1000mm2/s;以及(v)消泡添加剂,该消泡添加剂选自基于硅油的消泡添加剂和聚丙烯酸酯消泡添加剂。本发明还提供了一种用于润滑包括传动装置的电动车辆驱动系的方法,所述方法包括将润滑组合物施加于所述传动装置的步骤,所述润滑组合物包含:(iv)基于该润滑组合物的总重量计,至少70重量%的可生物降解性酯基础油,该可生物降解性酯基础油在100℃下的运动粘度在2.5mm2/s至7.0mm2/s的范围内,其中根据OECD测试指南系列301,该酯是可生物降解的;(v)基于该润滑组合物的总重量计,至少0.5重量%且不超过10重量%的粘度指数改进剂,该粘度指数改进剂是至少一种高粘度酯,该至少一种高粘度酯在100℃下的运动粘度为至少1000mm2/s;以及(vi)消泡添加剂,该消泡添加剂选自基于硅油的消泡添加剂和聚丙烯酸酯消泡添加剂。
This invention provides a water-glycol hydraulic fluid comprises from 0.2 to 0.6% by mass of a dimer acid as a fatty acid lubricant, and more than 0.10% by mass and 0.20% by mass or less of a phosphoric acid ester of Formula (1), wherein the sum of the dimer acid and the phosphoric acid ester is more than 0.35% by mass wherein R1 and R2 may be the same or different, each representing a hydrogen atom or a hydrocarbon group having from 1 to 30 carbon atoms, R3 represents a hydrocarbon group having from 1 to 20 carbon atoms, R4 represents a hydrogen atom or a hydrocarbon group having from 1 to 30 carbon atoms, and X1, X2, X3 and X4 may be the same or different, each representing an oxygen atom or a sulfur atom.
本发明提供了一种润滑剂组合物,包括:(i)基础油(ii)亲有机物质的粘土基增稠剂;以及(iii)固体润滑剂,其中所述固体润滑剂不包括任何重金属。本发明还提供了润滑剂组合物作为管道涂料的用途,所述润滑剂组合物包括:基础油;亲有机物质的粘土基增稠剂;以及固体润滑剂,其中所述固体润滑剂不包括任何重金属。
The present invention provides a lubricating oil composition comprising: (A) a lubricant base oil including at least one type selected from mineral oil, PAO, and GTL (gas-to-liquid) base oils; (B) a compound having a structure obtained by independently subjecting propylene oxide to addition polymerization with an alcohol or a structure obtained by subjecting a combination of propylene oxide with ethylene oxide and/or butylene oxide to addition polymerization with an alcohol, and being configured so that polyalkylene glycol (PAG) with an oxygen/carbon weight ratio of 0.35 or more and less than 0.45 and/or one or both terminal hydroxyl groups in the polyalkylene glycol (PAG) are blocked; and (C) a fatty acid ester having an oxygen/carbon weight ratio of 0.05 to 0.35.
本发明提供了一种包含基础油、二硫代氨基甲酸钼和基于金属的洗涤剂的润滑油组合物,其中以钼原子计的二硫代氨基甲酸钼的量(CMo)相对于润滑油组合物的总量为大于200ppm且2,000ppm以下,并且磺化灰分的量相对于润滑油组合物的总量为小于0.85质量%。
本发明提供了一种润滑油组合物,该润滑油组合物包含(a)45质量%至75质量%的低粘度第一基础油组分,该低粘度第一基础油组分为在100℃下运动粘度在3.5mm2/s至7.0mm2/s的范围内的费‑托衍生基础油;(b)3质量%至35质量%的高粘度第二基础油组分,该高粘度第二基础油组分是聚亚烷基二醇;(c)消泡添加剂,该消泡添加剂作为非离子表面活性剂,其中质量%基于该润滑组合物的总质量。本发明还提供一种用于润滑车轴的方法,所述方法包括向所述车轴供应润滑油组合物,该润滑油组合物包含:(a)45质量%至75质量%的低粘度第一基础油组分,该低粘度第一基础油组分为在100℃下运动粘度在3.5mm2/s至7.0mm2/s的范围内的费‑托衍生基础油;(b)3质量%至35质量%的高粘度第二基础油组分,该高粘度第二基础油组分是聚亚烷基二醇;(c)消泡添加剂,该消泡添加剂作为非离子表面活性剂,其中质量%基于该润滑组合物的总质量。
本发明提供一种润滑油组合物,该润滑油组合物包含:基础油;和涂覆颗粒,该涂覆颗粒由纳米颗粒和涂覆纳米颗粒的至少一部分表面的膦酸制成。
グリースとしての主要な特性(混和ちょう度、滴点、耐熱性)と、環境適合性と、に優れたグリース組成物を提供する。 【解決手段】 基油として、アメリカ石油協会(API)が定める基油カテゴリーにおいてグループ1~5に属する潤滑油又はこれらの混合油と、 増ちょう剤として、構造式(1)であらわされる粒子 [A0~0.2][B1~8][C0~5;D2nO5n]·mH2O···(式1) A:[Ca,Ba,K,Na,Rb,Cs,NH4] B:[Ti,Al,Cr,V,Fe,Mn,Mg,Li] C:[S,OH,F,Cl] D:[Si,Al,Fe,B,Be] n=1~10 m=5~15 と、 添加剤として、2価アルコールもしくは3価アルコールと、 を含有するグリース組成物。
The present invention provides a lubricating oil composition used in the reduction gearbox or transmission of an electric vehicle or a hybrid vehicle, wherein the lubricating oil contains a base oil, and the aromatic ring content of the base oil is from 3,500 to 15,000 ppm in terms of the mass of the base oil.