CN105623795A - 一种节能发动机抗磨剂及其制备方法 - Google Patents
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Abstract
本发明公开了一种节能发动机抗磨剂及其制备方法，由下述重量份的原料组成：胺基二异丙基二硫代磷酸钨6-9份、油酸二乙醇酰胺硼酸酯6-9份、改性纳米硼酸钙0.5-4.5份、单烯基丁二酰亚胺15-25份、聚甲基丙烯酸酯12-18份、有机钼6-9份、基础油20-40份。本发明节能发动机抗磨剂，制备方法简单，能广泛应用于超载重型车辆和老旧车辆发动机上，对发动机内部轻微磨损部位金属表面能够起到很好的抗磨修复作用，具有优良的抗磨减摩性、抗氧化性，清净性，密封性，减少废气排放，减少燃油消耗，节约资源，符合环保要求。
Description
技术领域
本发明涉及发动机润滑油技术领域，具体涉及一种节能发动机抗磨剂及其制备方法。
背景技术
发动机在高速、高压、高温运行过程中各种摩擦副相互作用容易产生剧烈摩擦，长期摩擦会造成摩擦副界面磨损，从而降低工作效率增加维护成本。目前市场上内燃发动机用润滑油均为普通机油，其高剪性在高温、高压、高摩擦状态下特别容易降低，从而导致润滑性能下降。为保持正常的润滑性能，车辆一般行驶5000公里左右就必须更换机油。频繁更换机油，既增加了发动机使用成本又会影响发动机正常使用，更换不及时则更容易加剧发动机的磨损，缩短发动机使用寿命。
本发明提供了一种节能发动机抗磨剂，具有优良的抗磨减摩性。
发明内容
针对现有技术中的不足，本发明要解决的技术问题之一是提供一种节能发动机抗磨剂。
本发明要解决的技术问题之二是提供上述节能发动机抗磨剂的制备方法。
本发明的技术方案是：
一种节能发动机抗磨剂，由下述重量份的原料组成：胺基二异丙基二硫代磷酸钨6-9份、油酸二乙醇酰胺硼酸酯6-9份、改性纳米硼酸钙0.5-4.5份、单烯基丁二酰亚胺15-25份、聚甲基丙烯酸酯12-18份、有机钼6-9份、基础油20-40份。
所述的基础油由偏苯三酸三壬酯、1,2,4-苯三甲酸三(2-乙基己基)酯、癸二酸二异丙酯混合而成，所述偏苯三酸三壬酯、1,2,4-苯三甲酸三(2-乙基己基)酯、癸二酸二异丙酯的质量比为(1-3)：(1-3)：(1-3)。
优选地，所述的有机钼由40-60wt％N,N-二异辛基二硫代氨基甲酸钼和40-60wt％N,N-二(2-乙基己基)二硫代氨基甲酸钼组成。
优选地，所述的改性纳米硼酸钙为油酸改性纳米硼酸钙。
本发明还提供了上述节能发动机抗磨剂的制备方法：将胺基二异丙基二硫代磷酸钨、油酸二乙醇酰胺硼酸酯、改性纳米硼酸钙、单烯基丁二酰亚胺、聚甲基丙烯酸酯、有机钼、基础油加入调和釜中混合均匀，过滤即得发动机抗磨剂。
本发明节能发动机抗磨剂，制备方法简单，能广泛应用于超载重型车辆和老旧车辆发动机上，对发动机内部轻微磨损部位金属表面能够起到很好的抗磨修复作用，具有优良的抗磨减摩性、抗氧化性，清净性，密封性，减少废气排放，减少燃油消耗，节约资源，符合环保要求。
具体实施方式
下面结合实施例对本发明做进一步的说明，以下所述，仅是对本发明的较佳实施例而已，并非对本发明做其他形式的限制，任何熟悉本专业的技术人员可能利用上述揭示的技术内容加以变更为同等变化的等效实施例。凡是未脱离本发明方案内容，依据本发明的技术实质对以下实施例所做的任何简单修改或等同变化，均落在本发明的保护范围内。
实施例中各原料介绍：
单烯基丁二酰亚胺，其结构式如下：
其中，PIB为分子量为1000的聚异丁烯，n＝3。
聚甲基丙烯酸酯，按照专利申请号：201410753667.9中实施例1的方法制备。
胺基二异丙基二硫代磷酸钨，其结构式如下：
(R为C8H17)
油酸二乙醇酰胺硼酸酯，参照卢向阳《含氮硼酸酯极压抗磨添加剂的合成及应用》中最佳条件合成，其结构式如下：
其中R＝C17H33-(油酸基)。
改性纳米硼酸钙为油酸改性纳米硼酸钙，参照专利申请号：201310293345.6中实施例2的方法制备。
N,N-二(2-乙基己基)二硫代氨基甲酸钼，其结构式如下：其结构式如下：
其中R为2-乙基己基。
N,N-二异辛基二硫代氨基甲酸钼，其结构式如下：
其中R为异辛基，其结构式如下：
偏苯三酸三壬酯，CAS号：35415-27-1。
1,2,4-苯三甲酸三(2-乙基己基)酯，CAS号：3319-31-1。
癸二酸二异丙酯，CAS号：7491-02-3。
实施例1
节能发动机抗磨剂原料(重量份)：胺基二异丙基二硫代磷酸钨7份、油酸二乙醇酰胺硼酸酯7.5份、油酸改性纳米硼酸钙2.5份、单烯基丁二酰亚胺20份、聚甲基丙烯酸酯15份、有机钼7份、基础油30份。
所述的基础油由偏苯三酸三壬酯、1,2,4-苯三甲酸三(2-乙基己基)酯、癸二酸二异丙酯按质量比为1：1：1搅拌混合均匀得到。
所述的有机钼由50wt％N,N-二异辛基二硫代氨基甲酸钼和50wt％N,N-二(2-乙基己基)二硫代氨基甲酸钼搅拌混合均匀得到。
节能发动机抗磨剂的制备方法：
将聚甲基丙烯酸酯、基础油加入调和釜中搅拌加热到65℃，保持温度为65℃，依次加入单烯基丁二酰亚胺、有机钼、胺基二异丙基二硫代磷酸钨、油酸二乙醇酰胺硼酸酯、油酸改性纳米硼酸钙，每加一种原料以转速为400转/分，搅拌15分钟，所有原料加完后继续以400转/分搅拌2小时，得到实施例1的节能发动机抗磨剂。
实施例2
与实施例1基本相同，区别仅仅在于：所述的基础油由偏苯三酸三壬酯、1,2,4-苯三甲酸三(2-乙基己基)酯按质量比为1：1搅拌混合均匀得到。得到实施例2的节能发动机抗磨剂。
实施例3
与实施例1基本相同，区别仅仅在于：所述的基础油由1,2,4-苯三甲酸三(2-乙基己基)酯、癸二酸二异丙酯按质量比为1：1搅拌混合均匀得到。得到实施例3的节能发动机抗磨剂。
实施例4
与实施例1基本相同，区别仅仅在于：所述的基础油由偏苯三酸三壬酯、癸二酸二异丙酯按质量比为1：1搅拌混合均匀得到。得到实施例4的节能发动机抗磨剂。
实施例5
与实施例1基本相同，区别仅仅在于：所述的有机钼仅为N,N-二异辛基二硫代氨基甲酸钼。得到实施例5的节能发动机抗磨剂。
实施例6
与实施例1基本相同，区别仅仅在于：所述的有机钼仅为N,N-二(2-乙基己基)二硫代氨基甲酸钼。得到实施例6的节能发动机抗磨剂。
测试例1
将实施例1-6制得的节能发动机抗磨剂按质量百分比5％加入普通的15W40成品发动机油中(即每100克发动机油加5克节能发动机抗磨剂)搅拌均匀后，测试理化指标和抗磨减摩性。
试验设备为厦门天机自动化有限公司产MS-10A型四球摩擦试验机，所用钢球直径12.7mm，符合GB/T308-2002标准的Ⅱ级轴承钢球，材料为GCrl5，硬度HRC为64-66。
试验方法：《SH/T0189-92润滑油抗磨损性能测定法(四球法)》。试验条件：上球转数为1500r/min；油温为40℃；时间为60min；负荷为392N。
通过该试验测定磨斑直径、摩擦系数及机油温升来评价油品的抗磨减摩性能。
试验结束后，用电子显微镜测量底球的磨斑直径，以三个底球磨斑直径的算术平均值来表征抗磨性能，磨斑直径越小，抗磨性能越好，以平均摩擦系数来评价减摩能力，摩擦系数越小，减摩性能越好。试验结果见表1：
表1：理化指标和抗磨减摩性结果表
从测试结果可见，加入本发明的添加剂，发动机油粘度有较大提升，加剂后磨斑直径、摩擦系数都大幅度下降，表明所加剂具有突出的抗磨减摩性能。
比较实施例1与实施例2-4，实施例1(偏苯三酸三壬酯、1,2,4-苯三甲酸三(2-乙基己基)酯、癸二酸二异丙酯复配)磨斑直径、摩擦系数明显低于实施例2-4(偏苯三酸三壬酯、1,2,4-苯三甲酸三(2-乙基己基)酯、癸二酸二异丙酯中任意二者复配)。
比较实施例1与实施例5-6，实施例1(N,N-二异辛基二硫代氨基甲酸钼和N,N-二(2-乙基己基)二硫代氨基甲酸钼复配)磨斑直径、摩擦系数明显低于实施例5-6(N,N-二异辛基二硫代氨基甲酸钼和N,N-二(2-乙基己基)二硫代氨基甲酸钼中单一原料)。
为进一步验证本发明的抗磨剂的效果，将本发明的抗磨剂加入发动机所用的机油中在底盘测功机上进行试验，试验结果表明，加入抗磨剂后，发动机噪音明显减轻，功率提升21％，尾气CO降低24％，HC化合物减少17％，NXOX减少27％。
Claims (4)
1.一种节能发动机抗磨剂，其特征在于，由下述重量份的原料组成：胺基二异丙基二硫代磷酸钨6-9份、油酸二乙醇酰胺硼酸酯6-9份、改性纳米硼酸钙0.5-4.5份、单烯基丁二酰亚胺15-25份、聚甲基丙烯酸酯12-18份、有机钼6-9份、基础油20-40份；
所述的基础油由偏苯三酸三壬酯、1,2,4-苯三甲酸三(2-乙基己基)酯、癸二酸二异丙酯混合而成，所述偏苯三酸三壬酯、1,2,4-苯三甲酸三(2-乙基己基)酯、癸二酸二异丙酯的质量比为(1-3)：(1-3)：(1-3)。
2.如权利要求1所述的节能发动机抗磨剂，其特征在于：所述所述的改性纳米硼酸钙为油酸改性纳米硼酸钙。
3.如权利要求1所述的节能发动机抗磨剂，其特征在于：所述的有机钼由40-60wt％N,N-二异辛基二硫代氨基甲酸钼和40-60wt％N,N-二(2-乙基己基)二硫代氨基甲酸钼组成。
4.权利要求1或2或3所述的节能发动机抗磨剂的制备方法，其特征在于：将胺基二异丙基二硫代磷酸钨、油酸二乙醇酰胺硼酸酯、改性纳米硼酸钙、单烯基丁二酰亚胺、聚甲基丙烯酸酯、有机钼、基础油加入调和釜中混合均匀，过滤即得发动机抗磨剂。
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| CN114507511A (zh) * | 2022-02-28 | 2022-05-17 | 扬州润达油田化学剂有限公司 | 一种环保钻井液盐浆体系用乳液钼润滑剂及制备方法 |
| CN114507511B (zh) * | 2022-02-28 | 2023-05-05 | 扬州润达油田化学剂有限公司 | 一种环保钻井液盐浆体系用乳液钼润滑剂及制备方法 |
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