CN110776982A - 一种机油添加剂组合物及其制备方法 - Google Patents
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Abstract
本发明属于机油生产技术领域,具体涉及一种机油添加剂组合物及其制备方法。本申请的机油添加剂组合物,该机油添加剂组合物由下列组分按重量分数组成,基础油35‑45份,固相润滑剂1‑5份,有机钼化合物1‑8份,稀释剂25‑40份,清净分散剂10‑15份,抗氧化剂1‑5份,抗磨剂1‑5份,该添加剂能有效清洗发动机内的积碳、油泥,提升发动机的使用寿命;且使用该机油添加剂不仅能满足减排要求,而且能实现节能目标,具有广阔地、潜在地应用价值。
Description
技术领域
本发明属于机油生产技术领域,具体涉及一种机油添加剂组合物及其制备方法。
背景技术
润滑油广泛应用于机械加工、交通运输、冶金、煤炭、建筑等行业,作为用在各种类型的机械上以减少摩擦,保护机械及加工件的液体润滑剂,润滑油主要用于减少运动部件表面间的摩擦,同时对机器设备具有冷却、密封、防腐、防锈、绝缘、功率传送、清洗杂质等作用。发动机润滑油,即机油,是发动机系统中各运动部件的润滑介质,具有润滑、冷却、清洗和密封等作用,以保证发动机有效和长期工作,发动机润滑油的性能直接影响发动机的工作效率、油耗、输出功率、使用寿命和排放等。
由于机油多在恶劣的工作环境中使用,在使用一段时间后,由于物理或化学因素,生成了如醛、酮、树脂、沥青胶态物质、碳黑以及有机酸、盐、水、金属碎屑等杂质,导致机油的性能发生改变,不能再继续使用。机油使用寿命短,使得资源消耗大,既加大运行成本,同时有害物排放多。
为了改善机油的性能,延长机油的寿命,往往在机油中添加机油添加剂。机油添加剂是指加入机油中的、以使机油得到某种新的特性或改善润滑油中已有的一些特性的一种或几种化合物。然而,由于近年来发动机机在性能方面不断改进,输出功率不断增加,添加普通添加剂的机油的使用寿命仍较短。并且更严厉的运行条件使内燃机机件磨耗大,内燃机动力不足,燃料消耗大,极易产生高温积碳和油泥,机动车使用时产生废气多,噪声大。此外,现有的复合添加剂组成仍然存在缺点,例如,总体加剂量较大;含有磷系抗磨剂,对汽车三元催化器有影响;对基础油的感受性不强,需要特定的基础油;复合剂功能性不突出。
发明内容
为了解决上述内燃机动力不足,燃料消耗大,极易产生高温积碳和油泥,机动车使用时产生废气多,噪声大等问题,本发明提供一种机油添加剂组合物及其制备方法。
为实现上述目的,本发明所采用的技术方案是:一种机油添加剂组合物,由下列由下列组分按重量分数组成,基础油35-45份,固相润滑剂1-5份,有机钼化合物1-8份,稀释剂25-40份,清净分散剂10-15份,抗氧化剂1-5份,抗磨剂1-5份。
进一步的,基础油包括矿物基础油和/或合成基础油;所述矿物基础油包括石蜡基或环烷基基础油;所述合成基础油包括聚α烯烃合成油、烷基萘、多元醇酯的一种或多种。
进一步的,有机钼化合物为二烷基二硫代磷酸氧钼。
进一步的,固体润滑组分为石墨和氮化硼的混合物,颗粒粒径在2.0-5.0μm。
进一步的,稀释剂包括N-乙烯基吡咯烷酮和/或丙烯酸酯,所述N-乙烯基吡咯烷酮与丙烯酸酯的重量比为1-2:1。
进一步的,清净分散剂包括聚异丁烯双丁二酰亚胺、单烯基丁二酰亚胺、高碱值合成磺酸钙、超碱值合成磺酸镁、硫化烷基酚盐中的一种或多种。
进一步的,清净分散剂为聚异丁烯双丁二酰亚胺、高碱值合成磺酸钙、硫化烷基水杨酸钙按重量比3-10:1-2:1组成。
进一步的,抗氧化剂包括烷基二苯胺和/或N-苯基-α-萘胺。
进一步的,抗磨剂包括硫磷丁辛基锌盐、硫磷双辛基碱性锌盐、硫磷仲伯醇基锌盐、硫磷仲醇基锌盐、亚磷酸酯、磷酸三甲酚酯中的一种或多种。
一种机油添加剂组合物的制备方法,制备上述的机油添加剂组合物,其制备方法具体如下,按所述重量份,将基础油、固相润滑剂、稀释剂、清净分散剂加入反应釜中,加热至50-60℃,并以1500-2000r/min的速度搅拌20-30min后超声混合10-20min,然后将抗氧化剂、有机钼化合物、抗磨剂加入反应釜中,加热至40-50℃,以1500-2000r/min的速度搅拌30-60min,然后超声混合20-30min,得到机油添加剂组合物。
本发明提供一种机油添加剂组合物,该机油添加剂组合物由下列组分按重量分数组成,基础油35-45份,固相润滑剂1-5份,有机钼化合物1-8份,稀释剂25-40份,清净分散剂10-15份,抗氧化剂1-5份,抗磨剂1-5份,能有效清洗发动机内的积碳、油泥,提升发动机的使用寿命;且使用该机油添加剂不仅能满足减排要求,而且能实现节能目标,具有广阔地、潜在地应用价值。
附图说明
图1为机油添加剂组合物的性能测试结果。
具体实施方式
下面将结合本发明实施例中的附图,对本发明中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅是本发明的一部分实施例,而不是全部的实施例。
一种机油添加剂组合物,由下列由下列组分按重量分数组成,基础油35-45份,固相润滑剂1-5份,有机钼化合物1-8份,稀释剂25-40份,清净分散剂10-15份,抗氧化剂1-5份,抗磨剂1-5份。
基础油包括矿物基础油和/或合成基础油;所述矿物基础油包括石蜡基或环烷基基础油;所述合成基础油包括聚α烯烃合成油、烷基萘、多元醇酯的一种或多种,本实施例的基础油为环烷基基础油与聚α烯烃合成油按质量比1:3的混合物;
有机钼化合物为二烷基二硫代磷酸氧钼,与石墨和氮化硼相互协同,能在内燃机从冷启动到全速全负荷运转的全过程中,从低温到高温状态下都能保持良好的润滑效果。特别是在此发明中起到帮助固体润滑材料在液体介质中长期分散悬浮稳定的作用;
固体润滑组分为石墨和氮化硼的混合物,颗粒粒径在2.0-5.0μm,石墨是天然鳞片石墨,它为六方晶体的结构,纯度达到99.9%,结晶状态好,富有极强的润滑性,物理、化学性质相当稳定,不与任何强酸、强碱发生反应,熔点高达3257℃,它的热传导系数为0.3(J/s.℃.cm),是可以与金属相媲美的优良热导体,它的弹性模量高达10000MPa。它在内燃机油中主要起到润滑,增强油膜承载能力的作用;氮化硼俗称白色石墨,它的润滑性比石墨还好,且熔点高达3100℃,它在本发明中与其它两种固体润滑材料复配可起到协同效果,提高润滑性,增强油膜的承载能力。
稀释剂包括N-乙烯基吡咯烷酮和/或丙烯酸酯,所述N-乙烯基吡咯烷酮与丙烯酸酯的重量比为1-2:1,该稀释剂因含有单体N-乙烯基吡咯烷酮,使得其具有极强的分散效果,对固体润滑材料在液体润滑油中的长期分散悬浮起帮助作用。
清净分散剂包括聚异丁烯双丁二酰亚胺、单烯基丁二酰亚胺、高碱值合成磺酸钙、超碱值合成磺酸镁、硫化烷基酚盐中的一种或多种,本实施例的清净分散剂为聚异丁烯双丁二酰亚胺、高碱值合成磺酸钙、硫化烷基水杨酸钙按重量比3-10:1-2:1组成,该清净分散剂分散剂它具有油溶性基团大,离子化极性大,通过电荷斥力作用,能够降低和防止分散后再重新聚团降低重量比表面积的现象发生,使固体微粒在液体润滑油中达到长期悬浮稳定的效果。
抗氧化剂包括烷基二苯胺和/或N-苯基-α-萘胺,该抗氧化剂可以防止机油组合物对设备的腐蚀,从而保护系统的金属部件。
抗磨剂包括硫磷丁辛基锌盐、硫磷双辛基碱性锌盐、硫磷仲伯醇基锌盐、硫磷仲醇基锌盐、亚磷酸酯、磷酸三甲酚酯中的一种或多种,该抗腐剂在内燃机润滑油中除起到抗磨的作用,并与固体润滑材料结合使用有很好的协同抗磨作用。
一种机油添加剂组合物的制备方法,制备上述的机油添加剂组合物,其制备方法具体如下,按下述重量份,将基础油40份、固相润滑剂5份、稀释剂30份、清净分散剂13份加入反应釜中,加热至50-60℃,并以1500-2000r/min的速度搅拌20-30min后超声混合10-20min,然后将抗氧化剂3份、有机钼化合物5份、抗磨剂4份依次加入反应釜中,加热至40-50℃,以1500-2000r/min的速度搅拌30-60min,然后超声混合20-30min,超声混合的超声频率为80~120KHZ,从而得到机油添加剂组合物。
将获得机油添加剂组合物进行性能测试,其测试结果如图1所示;
该机油添加剂组合物通过行车实验,本发明动力在持续性上远超市场竞品35%以上,能够实现3万公里乃至更长的换油周期,摩擦系数降低50%,磨损降低55%,极压性能提高2-3倍,抑制油品温升30℃以上,节省燃油4%左右,行使10000Km后动力还持久彭湃,油液色泽分明,放出的废机油没有刺激的异味,油膜润滑性不减,内部洁净。
实施例二
本实施例与实施例一的区别在于:机油添加剂组合物由下述重量份组成,其中基础油38份,固相润滑剂3份,有机钼化合物8份,稀释剂28份,清净分散剂15份,抗氧化剂5份,抗磨剂3份。
将获得机油添加剂组合物进行性能测试,其测试结果如图1所示;
该机油添加剂组合物通过行车实验,本发明动力在持续性上远超市场竞品35%以上,能够实现3万公里乃至更长的换油周期,摩擦系数降低45%,磨损降低42%,极压性能提高2-3倍,抑制油品温升30℃以上,节省燃油3%左右,行使10000Km后动力还持久彭湃,油液色泽分明,放出的废机油没有刺激的异味,油膜润滑性不减,内部洁净。
实施例三
本实施例与实施例一的区别在于:机油添加剂组合物由下述重量份组成,其中基础油43份,固相润滑剂1份,有机钼化合物2份,稀释剂40份,清净分散剂10份,抗氧化剂2份,抗磨剂2份。
将获得机油添加剂组合物进行性能测试,其测试结果如图1所示;该机油添加剂组合物通过行车实验,本发明动力在持续性上远超市场竞品35%以上,能够实现3万公里乃至更长的换油周期,摩擦系数降低53%,磨损降低52%,极压性能提高2-3倍,抑制油品温升30℃以上,节省燃油5%左右,行使10000Km后动力还持久彭湃,油液色泽分明,放出的废机油没有刺激的异味,油膜润滑性不减,内部洁净。
上述仅为本发明的优选具体实施方式,但本发明的设计构思并不局限于此,凡利用此构思对本发明进行非实质性的改动,均应属于侵犯本发明保护范围的行为。
Claims (10)
1.一种机油添加剂组合物,其特征在于:由下列由下列组分按重量分数组成,基础油35-45份,固相润滑剂1-5份,有机钼化合物1-8份,稀释剂25-40份,清净分散剂10-15份,抗氧化剂1-5份,抗磨剂1-5份。
2.根据权利要求1所述的机油添加剂组合物,其特征在于:所述基础油包括矿物基础油和/或合成基础油;所述矿物基础油包括石蜡基或环烷基基础油;所述合成基础油包括聚α烯烃合成油、烷基萘、多元醇酯的一种或多种。
3.根据权利要求1所述的机油添加剂组合物,其特征在于:所述有机钼化合物为二烷基二硫代磷酸氧钼。
4.根据权利要求1所述的机油添加剂组合物,其特征在于:所述固体润滑组分为石墨和氮化硼的混合物,颗粒粒径在2.0-5.0μm。
5.根据权利要求1所述的机油添加剂组合物,其特征在于:所述稀释剂包括N-乙烯基吡咯烷酮和/或丙烯酸酯,所述N-乙烯基吡咯烷酮与丙烯酸酯的重量比为1-2:1。
6.根据权利要求1所述的机油添加剂组合物,其特征在于:所述清净分散剂包括聚异丁烯双丁二酰亚胺、单烯基丁二酰亚胺、高碱值合成磺酸钙、超碱值合成磺酸镁、硫化烷基酚盐中的一种或多种。
7.根据权利要求6所述的机油添加剂组合物,其特征在于:所述清净分散剂为聚异丁烯双丁二酰亚胺、高碱值合成磺酸钙、硫化烷基水杨酸钙按重量比3-10:1-2:1组成。
8.根据权利要求1所述的机油添加剂组合物,其特征在于:所述抗氧化剂包括烷基二苯胺和/或N-苯基-α-萘胺。
9.根据权利要求1所述的机油添加剂组合物,其特征在于:所述抗磨剂包括硫磷丁辛基锌盐、硫磷双辛基碱性锌盐、硫磷仲伯醇基锌盐、硫磷仲醇基锌盐、亚磷酸酯、磷酸三甲酚酯中的一种或多种。
10.一种机油添加剂组合物的制备方法,其特征在于:制备权利要求1-9任一所述的机油添加剂组合物,其制备方法具体如下,按所述重量份,将基础油、固相润滑剂、稀释剂、清净分散剂加入反应釜中,加热至50-60℃,并以1500-2000r/min的速度搅拌20-30min后超声混合10-20min,然后将抗氧化剂、有机钼化合物、抗磨剂加入反应釜中,加热至40-50℃,以1500-2000r/min的速度搅拌30-60min,然后超声混合20-30min,得到机油添加剂组合物。
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