CN111394159A - 一种经济性汽油机油sn5w/30及其制备方法 - Google Patents

一种经济性汽油机油sn5w/30及其制备方法 Download PDF

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CN111394159A
CN111394159A CN202010233597.XA CN202010233597A CN111394159A CN 111394159 A CN111394159 A CN 111394159A CN 202010233597 A CN202010233597 A CN 202010233597A CN 111394159 A CN111394159 A CN 111394159A
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白士豪
刘长宏
乔传威
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Zhengzhou Jorun Lubricating Oil Co ltd
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Abstract

本发明涉及润滑油技术领域,具体提供了一种经济性汽油机油SN5W/30,由如下重量份组分组成:复合基础油:80.9份;清净剂:3份;无灰分散剂:2份;防锈剂:0.7份;抗氧剂:0.5份;极压剂:3.5份;摩擦改进剂:0.3份;粘指剂:8.5份;降凝剂:0.3份;抗泡剂:0.3份;抗乳化剂:50ppm;复合基础油由采用深度加氢优化直链三类矿物油250N、100N组成,所述三类矿物油250N与三类矿物油250N的质量比为55:45。本发明的优点是该产品中占主要成分的复合基础油采用经济型矿物油250N以及100N复配,经济便宜,有效降低生产成本,具体的100N能有效弥补250N低温流动性差的缺陷,250N能够有效改善100N粘度低,蒸发损耗大,机油消耗过多的缺陷,各添加剂配比科学,优化油品。

Description

一种经济性汽油机油SN5W/30及其制备方法
技术领域
本发明涉及润滑油技术领域,尤其涉及到一种经济性汽油机油SN5W/30及其制备方法。
背景技术
汽油机油,是指用于汽车发动机中,起润滑减摩、清洁、冷却、密封和防锈防蚀作用的一类车用润滑油品。汽油发动机一般作为小轿车和轻型车的动力,其运行状况有开开停停的市内行驶,也有城市之间高速公路上的高速行驶,因此机油除应具备好的高温氧化安定性和抗磨性外,还应具有优良的抑制生成和分散低温油泥的能力;此外由于汽油机油的工作范围广,如寒冷地区温度可达到-39℃,甚至更低,若低温状态时粘度过大,造成的阻力也大,发动机难启动,而发动机启动后,气缸各处温度又很高,若粘度太小,形成的油膜太薄,起不到润滑减摩作用,因此需要汽油机油具有良好的粘温性能。
目前市面上SM以及SN产品占领汽油车市场绝大部分份额,然而随着竞争的激烈、国六排放要求提出,因此现在各个润滑油厂家以及添加剂厂家都这一领域进行深入的研究,研究一种既能满足排放等要求,同时又能节约资源的汽油机油SN产品。
发明内容
本发明的目的是提供一种环保型全合成柴油机油及其制备方法,该产品中占主要成分的复合基础油采用经济型矿物油250N以及100N复配,经济便宜,有效降低生产成本,具体的100N能有效弥补250N低温流动性差的缺陷,250N能够有效改善100N粘度低,蒸发损耗大,机油消耗过多的缺陷,各添加剂配比科学,优化油品。
本发明采用的技术方案如下:一种经济性汽油机油SN5W/30,由如下重量份组分组成:
复合基础油:80-81份;清净剂:2.8-3.2份;无灰分散剂:1.8-2.2份;防锈剂:0.6-0.8份;抗氧剂:0.4-0.6份;极压剂:3.2-3.5份;摩擦改进剂:0.2-0.3份;粘指剂:8.2-8.5份;降凝剂:0.2-0.3份;抗泡剂:0.2-0.3份;抗乳化剂:50ppm;
所述复合基础油由采用深度加氢优化直链三类矿物油250N、100N组成,所述三类矿物油250N与三类矿物油250N的质量比为55:45。
优选的,一种经济性汽油机油SN5W/30,由如下重量份组分组成:复合基础油:80.9份;
清净剂:3份;无灰分散剂:2份;防锈剂:0.7份;抗氧剂:0.5份;极压剂:3.5份;摩擦改进剂:0.3份;粘指剂:8.5份;降凝剂:0.3份;抗泡剂:0.3份;抗乳化剂:50ppm;
所述复合基础油由采用深度加氢优化直链三类矿物油250N、100N组成,所述三类矿物油250N与三类矿物油250N的质量比为55:45;
所述清净剂为超高碱值硫化烷基酚钙;
所述无灰分散剂为单烯基丁二酰亚胺;
所述防锈剂为长链烷基二硫代磷酸锌盐;
所述抗氧剂为2,6-二叔丁基对甲酚芳胺;
所述极压剂为有机硼化物,具体为含有丁二酰亚胺基团的有机硼酸酯;
所述摩擦改进剂为钼含量10%的二烷基二硫代氨基甲酸钼;
所述粘指剂为OCP型粘指剂,具体为分散性乙烯丙烯共聚物;
所述降凝剂为主链带有许多短侧链的有机高分子,具体为聚甲基丙烯酸酯;
所述抗泡剂为非硅油型的有机型油溶剂,具体为丙烯酸乙酯、丙烯酸2-乙基己酯和乙烯基正丁基的无规共聚物;
所述抗乳化剂为胺与环氧乙烷缩合物。
优选的,所述单烯基丁二酰亚胺是用质量分数Mn=1300的高活性的聚异丁烯制备而成。
一种经济性汽油机油SN5W/30的制备方法,先将复合基础油混合打入调和釜中升温至55℃,然后依次加入清净剂、无灰分散剂、防锈剂、抗氧剂、极压剂、摩擦改进剂、粘指剂、降凝剂、抗泡剂、抗乳化剂40-60min,混合均匀即可。
本发明的优点在于:
1、该产品中占主要成分的复合基础油采用经济型矿物油250N以及100N复配,物料来源广泛,经济便宜,有效降低生产成本;
2、大大改善油品的低温流动性,使油品即使在-39℃情况下,仍具有良好的流动性,保证发动机的顺利启动,以及对零部件的保护;
3、采用矿物油250N和矿物油100N复配,优化性能,具体的100N能有效弥补250N低温流动性差的缺陷,250N能够有效改善100N粘度低,蒸发损耗大,机油消耗过多的缺陷;
4、本产品中清净剂为高碱值硫化烷基酚钙,具有很好的清净性和水解安定性,同时具有良好的抗氧化性、抗磨性和更高的总碱值,而且铜铅腐蚀极低;防锈剂为长链烷基二硫代磷酸锌盐抗氧抗腐剂,具有优异的热稳定性和水解稳定性,能有效地解决发动机高温、高压时缸套、活塞的磨损;抗氧剂为2,6-二叔丁基对甲酚芳胺能有效地延缓油品氧化;极压剂为有机硼化物,有效地改善油品在高温高载荷下抗擦伤、抗磨损的性能;各添加剂利用MATLAB软件和试验方法进行成分和表面关系的优化,确定最优的成分加剂量,进而增强油膜的强度,同时使油品具有优良的清净分散性能;
5、单烯基丁二酰亚胺是用质量分数Mn=1300的高活性的聚异丁烯制备而成,产品不含氯,具有良好的低温分散性能,对高温烟灰具有优异的增溶作用;
6、该产品中金属等元素含量低,尾气兼容性好,有很低的硫磷含量,满足排放对硫磷的要求;添加剂含量低,大大节约成本。
具体实施方式
下面对本发明一种经济性汽油机油SN5W/30及其制备方法作进一步详细描述。
实施例1
一种经济性汽油机油SN5W/30,由如下重量份组分组成:复合基础油:80.9份;清净剂:
3份;无灰分散剂:2份;防锈剂:0.7份;抗氧剂:0.5份;极压剂:3.5份;摩擦改进剂:0.3份;粘指剂:8.5份;降凝剂:0.3份;抗泡剂:0.3份;抗乳化剂:50ppm;
其中,复合基础油由采用深度加氢优化直链三类矿物油250N、100N组成,所述三类矿物油250N与三类矿物油250N的质量比为55:45;
复合基础油的理化指标如下:
Figure 373058DEST_PATH_IMAGE002
其中,清净剂为超高碱值硫化烷基酚钙;
其中,无灰分散剂为单烯基丁二酰亚胺;
其中,防锈剂为长链烷基二硫代磷酸锌盐;
其中,抗氧剂为2,6-二叔丁基对甲酚芳胺;
其中,极压剂为有机硼化物,具体为含有丁二酰亚胺基团的有机硼酸酯;
其中,摩擦改进剂为钼含量10%的二烷基二硫代氨基甲酸钼;
其中,粘指剂为OCP型粘指剂,具体为分散性乙烯丙烯共聚物;
其中,降凝剂为主链带有许多短侧链的有机高分子,具体为聚甲基丙烯酸酯;
其中,抗泡剂为非硅油型的有机型油溶剂,具体为丙烯酸乙酯、丙烯酸2-乙基己酯和乙烯基正丁基的无规共聚物;
其中,抗乳化剂为胺与环氧乙烷缩合物。
其中,单烯基丁二酰亚胺是用质量分数Mn=1300的高活性的聚异丁烯制备而成。
上述经济性汽油机油SN5W/30的制备方法,先将复合基础油混合打入调和釜中升温至55℃,然后依次加入清净剂、无灰分散剂、防锈剂、抗氧剂、极压剂、摩擦改进剂、粘指剂、降凝剂、抗泡剂、抗乳化剂40-60min,混合均匀即可。
实施例2
与实施例1基本相同,区别仅仅在于:所述的复合基础油仅采用深度加氢优化直链三类矿物油250N。得到实施例2的经济性汽油机油SN5W/30。
实施例3
与实施例1基本相同,区别仅仅在于:所述的复合基础油仅采用深度加氢优化直链三类矿物油100N。得到实施例3的经济性汽油机油SN5W/30。
测试例1
对实施例1到3进行经济性汽油机油SN5W/30的油品的粘度指数、低温流动性、蒸发损失以及添加剂的综合性能进行测试,具体数据如下表1:
Figure 227882DEST_PATH_IMAGE004
表1
试验显示说明:汽油机油SN5W/30中各添加剂均匀分散良好,抗氧化性、抗磨性;倾点为产品能够流动的最低温度,倾点温度越低,低温流动性越好,粘度指数较高,具有良好的润滑减磨作用。
比较实施例1与实施例2-3,实施例1中采用经济型矿物油250N以及100N复配后的低温流动性、粘度指数、蒸发损耗以及添加剂的分散性均保持良好,综合性能明显优于单一的矿物油250N或者单一的矿物油100N,该复配下的汽油机油,大大改善油品的低温流动性,使油品即使在-39℃情况下,仍具有良好的流动性,保证发动机的顺利启动,以及对零部件的保护;大大提高油品的抗氧化性能,提高粘度指数,优化润滑减磨作用、降低蒸发损耗,进而提高油品的换油周期。
实施例4
与实施例1基本相同,区别仅仅在于:由如下重量份组分组成:复合基础油:80份;
清净剂:2.8份;无灰分散剂:1.8份;防锈剂:0.6份;抗氧剂:0.4份;极压剂:3.2份;摩擦改进剂:0.2份;粘指剂:8.2份;降凝剂:0.2份;抗泡剂:0.2份;抗乳化剂:50ppm。
实施例5
与实施例1基本相同,区别仅仅在于:由如下重量份组分组成:复合基础油:81份;
清净剂:3.2份;无灰分散剂:2.2份;防锈剂:0.8份;抗氧剂:0.6份;极压剂:3.3份;摩擦改进剂:0.25份;粘指剂:8.3份;降凝剂:0.25份;抗泡剂:0.25份;抗乳化剂:50ppm。
以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等,均应包括在本发明的保护范围之内。

Claims (4)

1.一种经济性汽油机油SN5W/30,其特征在于,由如下重量份组分组成:复合基础油:80-81份;清净剂:2.8-3.2份;无灰分散剂:1.8-2.2份;防锈剂:0.6-0.8份;抗氧剂:0.4-0.6份;极压剂:3.2-3.5份;摩擦改进剂:0.2-0.3份;粘指剂:8.2-8.5份;降凝剂:0.2-0.3份;抗泡剂:0.2-0.3份;抗乳化剂:50ppm;
所述复合基础油由采用深度加氢优化直链三类矿物油250N、100N组成,所述三类矿物油250N与三类矿物油250N的质量比为55:45。
2.根据权利要求1所述的一种经济性汽油机油SN5W/30,其特征在于,由如下重量份组分组成:复合基础油:80.9份;清净剂:3份;无灰分散剂:2份;防锈剂:0.7份;抗氧剂:0.5份;极压剂:3.5份;摩擦改进剂:0.3份;粘指剂:8.5份;降凝剂:0.3份;抗泡剂:0.3份;抗乳化剂:50ppm;
所述复合基础油由采用深度加氢优化直链三类矿物油250N、100N组成,所述三类矿物油250N与三类矿物油250N的质量比为55:45;
所述清净剂为超高碱值硫化烷基酚钙;
所述无灰分散剂为单烯基丁二酰亚胺;
所述防锈剂为长链烷基二硫代磷酸锌盐;
所述抗氧剂为2,6-二叔丁基对甲酚芳胺;
所述极压剂为有机硼化物,具体为含有丁二酰亚胺基团的有机硼酸酯;
所述摩擦改进剂为钼含量10%的二烷基二硫代氨基甲酸钼;
所述粘指剂为OCP型粘指剂,具体为分散性乙烯丙烯共聚物;
所述降凝剂为主链带有许多短侧链的有机高分子,具体为聚甲基丙烯酸酯;
所述抗泡剂为非硅油型的有机型油溶剂,具体为丙烯酸乙酯、丙烯酸2-乙基己酯和乙烯基正丁基的无规共聚物;
所述抗乳化剂为胺与环氧乙烷缩合物。
3.根据权利要求2所述的一种经济性汽油机油SN5W/30,其特征在于,所述单烯基丁二酰亚胺是用质量分数Mn=1300的高活性的聚异丁烯制备而成。
4.一种如权利要求1-3任一项所述的经济性汽油机油SN5W/30的制备方法,其特征在于,先将复合基础油混合打入调和釜中升温至55℃,然后依次加入清净剂、无灰分散剂、防锈剂、抗氧剂、极压剂、摩擦改进剂、粘指剂、降凝剂、抗泡剂、抗乳化剂40-60min,混合均匀即可。
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