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CN105602692B - 一种节能燃气发动机油及其制备方法 - Google Patents

一种节能燃气发动机油及其制备方法 Download PDF

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CN105602692B
CN105602692B CN201610181416.7A CN201610181416A CN105602692B CN 105602692 B CN105602692 B CN 105602692B CN 201610181416 A CN201610181416 A CN 201610181416A CN 105602692 B CN105602692 B CN 105602692B
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黄毅
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Abstract

本发明公开了一种节能燃气发动机油，由下述重量份的原料组成：单烯基丁二酰亚胺1.1‑2.1份、烷基苯磺酸钙0.8‑1.2份、聚甲基丙烯酸酯6‑9份、4,4'‑二辛基二苯胺0.3‑0.5份、抗氧剂0.75‑0.85份、噻二唑0.15‑0.25份、N,N‑二(2‑乙基己基)二硫代氨基甲酸钼0.005‑0.015份、二甲基硅油0.002‑0.005份、基础油75‑95份。本发明节能燃气发动机油，针对燃气发动机油的特殊要求，采用不同的添加剂种类和投料顺序，使其在理化指标和使用性能方面均优于同级别天然气发动机润滑油，具有优异的清净分散性、润滑性能、抗磨损性和抗氧化性。

Description

一种节能燃气发动机油及其制备方法
技术领域
本发明涉及发动机润滑油领域，具体涉及一种节能燃气发动机油。
背景技术
随着世界各国对环境保护意识的加强，环境排放法规日趋严格，加之石油资源的枯竭，气体燃料替代汽柴油已经成为社会发展的必然趋势，但气体燃料在燃烧室中以气体形势存在，没有类似汽柴油的液体润滑性能，干摩擦剧烈会导致机件磨损；没有液态燃料通过蒸发使进入燃烧室的空气冷却的作用，所以燃烧室的温度会更高，机油易氧化硝化而变质，滑润能力差。
发明内容
针对现有技术的不足，本发明提供了一种节能燃气发动机油及其制备方法。
本发明目的是通过如下技术方案实现的：
一种节能燃气发动机油，由下述重量份的原料组成：单烯基丁二酰亚胺1.1-2.1份、烷基苯磺酸钙0.8-1.2份、聚甲基丙烯酸酯6-9份、4,4'-二辛基二苯胺0.3-0.5份、抗氧剂0.75-0.85份、噻二唑0.15-0.25份、N,N-二(2-乙基己基)二硫代氨基甲酸钼0.005-0.015份、二甲基硅油0.002-0.005份、基础油75-95份。
所述的基础油由癸二酸二壬酯、癸二酸二丁酯、1,2,4-苯三甲酸三(2-乙基己基)酯混合而成，所述癸二酸二壬酯、癸二酸二丁酯、1,2,4-苯三甲酸三(2-乙基己基)酯的质量比为(1-3)：(1-3)：(1-3)。
优选地，所述的抗氧剂由40-60wt％硫代二乙撑双[3-(3,5-二叔丁基-4-羟基苯基)丙酸酯]和40-60wt％三乙二醇醚-二(3-叔丁基-4-羟基-5-甲基苯基)丙酸酯组成。
本发明还提供了上述节能燃气发动机油的制备方法，将单烯基丁二酰亚胺、烷基苯磺酸钙、聚甲基丙烯酸酯、4,4'-二辛基二苯胺、抗氧剂、噻二唑、N,N-二(2-乙基己基)二硫代氨基甲酸钼、二甲基硅油、基础油加入调和釜中混合均匀，即得所述节能燃气发动机油。
本发明节能燃气发动机油，针对燃气发动机油的特殊要求，采用不同的添加剂种类和投料顺序，使其在理化指标和使用性能方面均优于同级别天然气发动机润滑油，具有优异的清净分散性、润滑性能、抗磨损性和抗氧化性。
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。
烷基苯磺酸钙采用专利申请号：200810011923.1中实施例1的方法制备。
聚甲基丙烯酸酯，采用专利申请号：201410753667.9中实施例1的方法制备聚甲基丙烯酸酯。
4,4'-二辛基二苯胺，CAS号：101-67-7。
噻二唑，CAS号：289-06-5
二甲基硅油，CAS号：63148-62-9，采用道康宁PMX-200常规粘度消泡剂二甲基硅油，粘度350cs。
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。
癸二酸二壬酯，CAS号：4121-16-8。
癸二酸二丁酯，CAS号：109-43-3。
1,2,4-苯三甲酸三(2-乙基己基)酯，CAS号：3319-31-1。
硫代二乙撑双[3-(3,5-二叔丁基-4-羟基苯基)丙酸酯]，CAS号：41484-35-9。
三乙二醇醚-二(3-叔丁基-4-羟基-5-甲基苯基)丙酸酯，CAS号：36443-68-2。
实施例1
节能燃气发动机油原料(重量份)：单烯基丁二酰亚胺1.5份、烷基苯磺酸钙1份、聚甲基丙烯酸酯7.5份、4,4'-二辛基二苯胺0.4份、抗氧剂0.8份、噻二唑0.2份、N,N-二(2-乙基己基)二硫代氨基甲酸钼0.01份、二甲基硅油0.003份、基础油87份。
所述的基础油由癸二酸二壬酯、癸二酸二丁酯、1,2,4-苯三甲酸三(2-乙基己基)酯按质量比为1：1：1搅拌混合均匀得到。
所述的抗氧剂由50wt％硫代二乙撑双[3-(3,5-二叔丁基-4-羟基苯基)丙酸酯]和50wt％三乙二醇醚-二(3-叔丁基-4-羟基-5-甲基苯基)丙酸酯搅拌混合均匀得到。
节能燃气发动机油制备：将基础油加入调和釜中，升温至50℃，加入聚甲基丙烯酸酯，300转/分，搅拌30分钟；加入单烯基丁二酰亚胺、烷基苯磺酸钙，升温至65℃，300转/分，搅拌20分钟；加入抗氧剂、4,4'-二辛基二苯胺、噻二唑，300转/分，搅拌20分钟；以上过程均在0.1MPa氮气保护下进行，放掉氮气，在-0.06MPa的条件下脱气10分钟；温度降至45℃，放掉负压，加入N,N-二(2-乙基己基)二硫代氨基甲酸钼、二甲基硅油，300转/分，搅拌20分钟；通过5μm的过滤器过滤。得到实施例1的节能燃气发动机油。
实施例2
与实施例1基本相同，区别仅仅在于：所述的基础油由癸二酸二丁酯、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的节能燃气发动机油。
实施例3
与实施例1基本相同，区别仅仅在于：所述的基础油由癸二酸二壬酯、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3的节能燃气发动机油。
实施例4
与实施例1基本相同，区别仅仅在于：所述的基础油由癸二酸二壬酯、癸二酸二丁酯按质量比为1：1搅拌混合均匀得到。得到实施例4的节能燃气发动机油。
实施例5
与实施例1基本相同，区别仅仅在于：所述的抗氧剂仅为硫代二乙撑双[3-(3,5-二叔丁基-4-羟基苯基)丙酸酯]。得到实施例5的节能燃气发动机油。
实施例6
与实施例1基本相同，区别仅仅在于：所述的抗氧剂仅为三乙二醇醚-二(3-叔丁基-4-羟基-5-甲基苯基)丙酸酯。得到实施例6的节能燃气发动机油。
测试例1
对实施例1-6制备的节能燃气发动机油进行成焦成漆清净性能测试，测试参数：曲轴箱试验板温310℃、油温150℃时间为6h，具体结果见表1。
表1：成焦成漆数据表
项目 评级 焦重/mg
实施例1 2.0 20.4
实施例2 3.5 22.8
实施例3 3.0 21.9
实施例4 3.0 22.2
实施例5 3.5 22.7
实施例6 3.5 23.1
比较实施例1与实施例2-4，实施例1(癸二酸二壬酯、癸二酸二丁酯、1,2,4-苯三甲酸三(2-乙基己基)酯复配)清净性能明显高于实施例2-4(癸二酸二壬酯、癸二酸二丁酯、1,2,4-苯三甲酸三(2-乙基己基)酯中任意二者复配)；比较实施例1与实施例5-6，实施例1(硫代二乙撑双[3-(3,5-二叔丁基-4-羟基苯基)丙酸酯]和三乙二醇醚-二(3-叔丁基-4-羟基-5-甲基苯基)丙酸酯复配)清净性能明显高于实施例5-6(硫代二乙撑双[3-(3,5-二叔丁基-4-羟基苯基)丙酸酯]和三乙二醇醚-二(3-叔丁基-4-羟基-5-甲基苯基)丙酸酯中单一原料)。
测试例2
对实施例1-6制备的节能燃气发动机油进行氧化安定性测试，实验根据SH/T0193-2008润滑油氧化安定性的测定-旋转氧弹法检测，氧化时间越长则抗氧性越好。具体结果见表2。
表2：氧化安定性数据表
比较实施例1与实施例2-4，实施例1(癸二酸二壬酯、癸二酸二丁酯、1,2,4-苯三甲酸三(2-乙基己基)酯复配)抗氧性能明显高于实施例2-4(癸二酸二壬酯、癸二酸二丁酯、1,2,4-苯三甲酸三(2-乙基己基)酯中任意二者复配)；比较实施例1与实施例5-6，实施例1(硫代二乙撑双[3-(3,5-二叔丁基-4-羟基苯基)丙酸酯]和三乙二醇醚-二(3-叔丁基-4-羟基-5-甲基苯基)丙酸酯复配)抗氧性能明显高于实施例5-6(硫代二乙撑双[3-(3,5-二叔丁基-4-羟基苯基)丙酸酯]和三乙二醇醚-二(3-叔丁基-4-羟基-5-甲基苯基)丙酸酯中单一原料)。

Claims (2)

1.一种节能燃气发动机油，其特征在于，由下述重量份的原料组成：单烯基丁二酰亚胺1.1-2.1份、烷基苯磺酸钙0.8-1.2份、聚甲基丙烯酸酯6-9份、4,4'-二辛基二苯胺0.3-0.5份、抗氧剂0.75-0.85份、噻二唑0.15-0.25份、N,N-二(2-乙基己基)二硫代氨基甲酸钼0.005-0.015份、二甲基硅油0.002-0.005份、基础油75-95份；
所述的基础油由癸二酸二壬酯、癸二酸二丁酯、1,2,4-苯三甲酸三(2-乙基己基)酯混合而成，所述癸二酸二壬酯、癸二酸二丁酯、1,2,4-苯三甲酸三(2-乙基己基)酯的质量比为(1-3)：(1-3)：(1-3)；
所述的抗氧剂由40-60wt％硫代二乙撑双[3-(3,5-二叔丁基-4-羟基苯基)丙酸酯]和40-60wt％三乙二醇醚-二(3-叔丁基-4-羟基-5-甲基苯基)丙酸酯组成。
2.如权利要求1所述的节能燃气发动机油的制备方法，其特征在于：将单烯基丁二酰亚胺、烷基苯磺酸钙、聚甲基丙烯酸酯、4,4'-二辛基二苯胺、抗氧剂、噻二唑、N,N-二(2-乙基己基)二硫代氨基甲酸钼、二甲基硅油、基础油加入调和釜中混合均匀，即得所述节能燃气发动机油。
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