CN110016380B - 柴油机油组合物 - Google Patents
柴油机油组合物 Download PDFInfo
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Abstract
本发明公开了一种节能型柴油机油组合物。该润滑油组合物包含适量金属清净剂、无灰分散剂、抗氧抗腐剂、复合抗氧剂、复合减摩剂、黏度指数改进剂、降凝剂和余量基础油。本发明的节能型柴油机油具有低的摩擦系数、低的高温高剪切黏度和好的抗磨节能效果,配方简单,成本低,调制方便。
Description
技术领域
本发明涉及润滑油品技术领域,具体说是一种节能型柴油机油组合物。
背景技术
随着人们对环保的重视以及环保法规日益严格,柴油机开始迈入节能减排阶段。目前由中国汽车技术研究中心牵头起草的《重型商用车燃料消耗量限值》(第三阶段,征求意见稿)已经完成,确定以“2020年在2015年基础上燃料消耗量限值加严约15%”作为总体节能目标。第三阶段标准若实施,将对我国环境保护、节能减排以及商用车行业发展都有重要的意义。
柴油发动机的节能减排可以通过3种主要途径来实现:(1)通过改善发动机设计实现节能减排;(2)通过提高燃料质量实现节能减排;(3)通过润滑技术实现节能减排。采用润滑手段实现节能减排的技术成本低,容易实现,特别是经过严格论证的节能型机油是很具有吸引力的节油手段之一。
节能型机油要求油品能在各种条件下(温度、应力、剪切力)保持最佳黏度,能在边界润滑时具有优良的抗磨性能。具体来说,节能型机油的特点是:(1)油品低黏度化(即油品具有低的黏度、低的高温高剪切黏度);(2)油品高黏度指数化(多级油);(3)油品减摩性能最佳化。随着国家开始实施柴油机国Ⅴ排放标准,节能环保是柴油机油发展的主要特点。
专利CN105542922报道了一种超长换油里程的节能柴油机油及其制备方法,由雅富顿复合剂另加抗磨剂、抗氧剂制备,抗磨剂选用氨基甲酸钼。专利CN104059736报道了一种抗磨节能环保柴油机油,通过在油品中加入聚六氟乙烯微粉来提高油品的抗磨性能。专利CN105820861介绍了一种节能柴油机油及其制备方法,抗磨剂选用氨基甲酸钼。专利CN104232269介绍了一种含钼内燃机油及其制备方法与应用,配方中使用了吲哚并萘啶结构单元和二硫化物和氨基甲酸钼,油品具有较好的抗磨性能。专利CN104745278介绍了一种环保节能的柴油机油及其制备方法,采用纳米硼和纳米钼作为摩擦改进剂。
专利US20140194333介绍了一种改善燃油经济性润滑油配方的制备方法,其特点在于加入了烷氧基醇。专利US20120028862报道了一种提高燃油经济性的低黏度柴油机油润滑油组合物。
SRV摩擦磨损试验仪和MTM微牵引力试验机是评价润滑油节能效果常用的试验仪器。专利US20160108336中用SRV方法评价了油品的节能性能,专利US20140194333中利用MTM方法评价油品的燃油经济性。
CN102277225A公开了一种发动机润滑油组合物,属于润滑油技术领域。其主要含有以下重量百分比的组分:加氢处理基础油;1.5~3.0%的高碱值硫化烷基酚钙;4.5~6.5%的硼化聚异丁烯基丁二酰亚胺无灰分散剂;1.0~2.5%的高、低碱值磺酸钙清净剂;0.5~1.5%的二烷基二硫代磷酸锌;0.3~0.6%的胺型辅助抗氧剂;0.3~0.6%的含氮硫代磷酸钼;0.3~0.6%的酚型抗氧剂。
相对于现有技术,本发明有机钼在油品的使用过程中会逐渐分解,这样会降低油品节能的效果,选择有机钼与有机胺复合,这样在有机钼发生分解后,有机胺继续起到减摩节能效果,保证了油品的节能长效性。本发明中的有机胺选用的是油烯基胺或油烯基酰胺,是跟多种有机胺进行对比试验得到的结果。本发明选用了高温高剪切黏度低的基础油,这样是油品的节能性能更加优异。本发明同时使用了低摩擦技术、低的高温高剪切黏度协同作用,使得油品的节能性能更加优异。配方体系的创造性,选用高温清净性好的水杨酸盐体系和复合减摩剂协同,使得节能油品具有很好的长效节能效果。
发明内容
本发明的目的是提供一种节能型柴油发动机润滑油组合物。
本发明提供一种柴油机油组合物,包括如下组分:以组合物总重为基准,
(A)金属清净剂,含量为0.5~7.0%;
(B)无灰分散剂,含量为1.0~10.0%;
(C)抗氧抗腐剂,含量为0.3~3.0%;
(D)复合抗氧剂,含量为0.1~2.0%;
(E)复合减摩剂,含量为0.1~2.0%;
(F)黏度指数改进剂,含量为1.0~15.0%;
(G)降凝剂,含量为0.1~2.0%;
(H)基础油,含量为70.0~92.0%。
本发明所述的柴油机油组合物,其中,所述组分(A)优选是烷基水杨酸盐、磺酸盐和硫化烷基酚盐中的任意两者或三者的混合物。
本发明所述的柴油机油组合物,其中,所述烷基水杨酸盐烷基水杨酸盐的结构优选为:
式中R优选为含10~20个碳原子的烷基,M优选为Ca或Mg,m、n优选为不为零的正整数。
本发明所述的柴油机油组合物,其中,所述硫化烷基酚盐的结构优选为:
式中R优选为含10~24个碳原子的烷基,M优选为Ca或Mg,m、n、x优选为不为零的正整数。
本发明所述的柴油机油组合物,其中,所述磺酸盐的结构优选为:
式中R优选为含14~28个碳原子的烷基,M优选为Ca或Mg,m、n优选为不为零的正整数。
本发明所述的柴油机油组合物,其中,所述组分(B)优选是聚异丁烯丁二酰亚胺类分散剂。
本发明所述的柴油机油组合物,其中,所述聚异丁烯丁二酰亚胺的结构优选为:
式中PIB优选为聚异丁烯,分子优选为900~2500,n优选为不为零的正整数。
本发明所述的柴油机油组合物,其中,所述组分(C)优选是二烷基二硫代磷酸锌抗氧抗腐剂。
本发明所述的柴油机油组合物,其中,所述二烷基二硫代磷酸锌的结构式优选为:
式中R=CnH2n+1,n=3~10。
本发明所述的柴油机油组合物,其中,所述组分(D)优选是由酚型抗氧剂和胺型抗氧剂复合而成,按质量比计算,酚型抗氧剂:胺型抗氧剂优选为2:1;
其中所述酚型抗氧剂优选为3-(3,5-二叔丁基-4-羟基苯基)丙酸酯,所述胺型抗氧剂优选为烷基二苯胺。
本发明所述的柴油机油组合物,其中,所述组分(E)优选是有机钼和有机胺的混合物,按质量比计算,有机钼:有机胺为2:1;
其中所述有机钼优选为二烷基二硫代磷酸钼、二烷基二硫代氨基甲酸钼或钼胺络合物,所述有机胺优选为油烯基胺或油烯基酰胺。
本发明所述的柴油机油组合物,其中,所述组分(F)优选是乙丙共聚物或聚甲基丙烯酸酯。
本发明所述的柴油机油组合物,其中,所述组分(G)优选是聚α-烯烃或聚甲基丙烯酸酯。
本发明所述的柴油机油组合物,其中,所述组分(H)优选具有低的高温高剪切黏度。
本发明还可以详述如下:
本发明提供的节能型柴油发动机润滑油组合物,以组合物总重为基准,由以下组分组成:
(A)金属清净剂,含量为0.5~7.0%;(B)无灰分散剂,含量为1.0~10.0%;(C)抗氧抗腐剂,含量为0.3~3.0%;(D)复合抗氧剂,含量为0.1~2.0%;(E)复合减摩剂,含量为0.1~2.0%;(F)黏度指数改进剂,含量为1.0~15.0%;(G)降凝剂,含量为0.1~2.0%;(H)基础油,含量为70.0~92.0%。
组分(A)金属清净剂,可以是烷基水杨酸盐或硫化烷基酚盐或磺酸盐或以上任意两者的混合物或者三者的混合物;
烷基水杨酸盐的结构为:
式中R为含10~20个碳原子的烷基,M为Ca或Mg,m、n为不为零的正整数。
硫化烷基酚盐的结构为:
式中R为含10~24个碳原子的烷基,M为Ca或Mg,m、n、x为不为零的正整数。
磺酸盐的结构为:
式中R为含14~28个碳原子的烷基,M为Ca或Mg,m、n为不为零的正整数。
组分(B)无灰分散剂为聚异丁烯丁二酰亚胺;
聚异丁烯丁二酰亚胺的结构为:
式中PIB为聚异丁烯,分子为900~2500,n为不为零的正整数。
组分(C)抗氧抗腐剂为二烷基二硫代磷酸锌;
二烷基二硫代磷酸锌的结构式为:
式中R=CnH2n+1,n=3~10。
组分(D)复合抗氧剂为酚型抗氧剂和胺型抗氧剂的混合物,按质量比计算,酚型抗氧剂:胺型抗氧剂为2:1。其中酚型抗氧剂为3-(3,5-二叔丁基-4-羟基苯基)丙酸酯,胺型抗氧剂为:烷基二苯胺。
组分(E)复合减摩剂为有机钼和有机胺的混合物,按质量比计算,有机钼:有机胺为2:1。其中有机钼为二烷基二硫代磷酸钼、二烷基二硫代氨基甲酸钼或钼胺络合物。有机胺为油烯基胺或油烯基酰胺。
组分(F)黏度指数改进剂为乙丙共聚物或聚甲基丙烯酸酯;
组分(G)降凝剂为聚α-烯烃或聚甲基丙烯酸酯;
组分(H)基础油是高温高剪切黏度低的加氢基础油;
组分(A)占组合物总重的0.5~7.0%,其优选的适宜范围为2.0~6.0%。
组分(B)占组合物总重的1.0~10.0%,其优选的适宜范围为2.0~9.0%。
组分(C)占组合物总重的0.3~3.0%,其优选的适宜范围为0.5~2.5%。
组分(D)占组合物总重的0.1~2.0%,其优选的适宜范围为0.2~1.8%。
组分(E)占组合物总重的0.1~2.0%,其优选的适宜范围为0.3~1.5%。
组分(F)占组合物总重的1.0~15.0%,其优选的适宜范围为2.0~12.0%。
组分(G)占组合物总重的0.1~2.0%,其优选的适宜范围为0.2~1.0%。
其中组分(H)占组合物总重的70.0~92.0%,其优选的适宜范围为72.0~88.0%。
选择性能好的添加剂组分还不能完全解决本发明所需要解决的问题,本发明利用众所周知的添加剂组分之间相互作用的原理,力求使各功能添加剂除了发挥其自身的性能优点外,尽可能使各功能添加剂组分间产生较强的“协合效应”。特别是使用了复合减摩剂,使得组合物具有低的摩擦系数,使油品的节能效果达到最佳。
本发明采用SRV试验方法、MTM试验方法、磨斑直径和高温高剪切黏度测试等方法考察油品的节能性能和抗磨性能。
配置油品时,一次性加入A、B、C、D、E、F、G、H组分并充分搅拌至少2小时,至组合物混合均匀,既可得到节能型的柴油机油产品。
本发明的有益效果:
1;有机钼在油品的使用过程中会逐渐分解,这样会降低油品节能的效果,选择有机钼与有机胺复合,这样在有机钼发生分解后,有机胺继续起到减摩节能效果,保证了油品的节能长效性。
2:本发明中的有机胺选用的是油烯基胺或油烯基酰胺,是跟多种有机胺进行对比试验得到的结果。
3:本发明选用了高温高剪切黏度低的基础油,这样是油品的节能性能更加优异。
4:本发明同时使用了低摩擦技术、低的高温高剪切黏度协同作用,使得油品的节能性能更加优异。
5:配方体系的创造性,选用高温清净性好的水杨酸盐体系和复合减摩剂协同,使得节能油品具有很好的长效节能效果。
附图说明
图1为节能油品SRV试验结果;
将试验油在SRV4型摩擦磨损试验仪上进行节能性能的考察,参比油1(15W-40 CI-4)为国外知名品牌的柴油机油,参比油2(15W-40 CI-4)为国外另一款知名品牌的柴油机油,二者均为市售产品。SRV试验方法按照Q/SY 1495进行。
图2为节能油品MTM试验结果;
将试验油在MTM2微牵引力试验机上进行节能性能的考察,试验方法按照Q/SY RH4044-2015进行。
具体实施方式
以下对本发明的实施例作详细说明:本实施例在以本发明技术方案为前提下进行实施,给出了详细的实施方式和过程,但本发明的保护范围不限于下述的实施例,下列实施例中未注明具体条件的实验方法,通常按照常规条件。
实例1
一种节能型柴油机油组合物,按质量份数计算,其原料的组成及含量如下:
实例2
一种节能型柴油机油组合物,按质量份数计算,其原料的组成及含量如下:
实例3
一种节能型柴油机油组合物,按质量份数计算,其原料的组成及含量如下:
实例4
本实例为油品的节能性能考察,将参比样和实例1、2、3在SRV4型摩擦磨损试验仪上考察不同温度下的摩擦系数。根据试验结束做出了温度与摩擦系数的关系图,如图1所示,
从图1可以看出,本发明的节能柴油机油具有低的摩擦系数,说明油品具有很好的节能性能。
实例5
本实例为油品的节能性能考察,将参比样和实例1、2、3在MTM2微牵引力试验机上进行考察,试验结果如图2所示。
从图2可以看出,本发明的实例1、2、3节能油品随着试验速度的增大更容易进入流体润滑的状态,体现出了很好的减摩节能性能。
实例6
本实例为油品的磨斑直径测试。
表1为几种油品的四球磨斑直径测试结果。
从表1的试验结果可以看出,本发明的节能油品具有很好的抗磨性能。
实例7
本实例为油品的高温高剪切黏度测试。
表2为几种油品的高温高剪切黏度测试结果。
从表2的试验结果可以看出,本发明的节能油品具有低的高温高剪切黏度,说明其具有很好的节能性能。
Claims (11)
1.一种柴油机油组合物,包括如下组分:以组合物总重为基准,
(A)金属清净剂,含量为0.5~7.0%;
(B)无灰分散剂,含量为1.0~10.0%;
(C)抗氧抗腐剂,含量为0.3~3.0%;
(D)复合抗氧剂,含量为0.1~2.0%;
(E)复合减摩剂,含量为0.1~2.0%;
(F)黏度指数改进剂,含量为1.0~15.0%;
(G)降凝剂,含量为0.1~2.0%;
(H)基础油,含量为70.0~92.0%;
所述组分(E)是有机钼和有机胺的混合物,按质量比计算,有机钼:有机胺为2:1,所述有机钼为二烷基二硫代磷酸钼、二烷基二硫代氨基甲酸钼或钼胺络合物,所述有机胺为油烯基胺或油烯基酰胺;
所述组分(F)是乙丙共聚物或聚甲基丙烯酸酯。
2.根据权利要求1所述的柴油机油组合物,其特征在于,所述组分(A)是烷基水杨酸盐、磺酸盐和硫化烷基酚盐中的任意两者或三者的混合物。
6.根据权利要求1所述的柴油机油组合物,其特征在于,所述组分(B)是聚异丁烯丁二酰亚胺类分散剂。
8.根据权利要求1所述的柴油机油组合物,其特征在于,所述组分(C)是二烷基二硫代磷酸锌抗氧抗腐剂。
10.根据权利要求1所述的柴油机油组合物,其特征在于,所述组分(D)是由酚型抗氧剂和胺型抗氧剂复合而成,按质量比计算,酚型抗氧剂:胺型抗氧剂为2:1;
其中所述酚型抗氧剂为3-(3,5-二叔丁基-4-羟基苯基)丙酸酯,所述胺型抗氧剂为烷基二苯胺。
11.根据权利要求1所述的柴油机油组合物,其特征在于,所述组分(G)是聚α-烯烃或聚甲基丙烯酸酯。
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