CN110003970A - 一种合成型柴油机机油 - Google Patents
一种合成型柴油机机油 Download PDFInfo
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- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
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- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/028—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms
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- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
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- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/04—Detergent property or dispersant property
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- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
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- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
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- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/54—Fuel economy
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
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Abstract
本发明公开了一种合成型柴油机机油，包括三类基础油，高粘度四类基础油，复合添加剂，降凝剂，以质量百分比计，所述三类基础油的含量为68%~71%，所述高粘度四类基础油的含量14%~16%，复合添加剂的含量为14%~16%，降凝剂的含量为0.3%，本发明柴油机机油中，三类基础油具有良好的氧化稳定性，不添加任何粘度指数改进剂，保证了润滑油的抗剪切性能，在长换油周期过程中，压力不会下降，高粘度合成基础油，增强了润滑油的油膜强度，保证了发动机在长公里行驶过程中能够提供足够强度的油膜保护。
Description
技术领域
本发明涉及润滑油技术领域，特别涉及一种新合成型柴油机机油。
背景技术
随着科技的飞速进步，现代工业迅猛发展以及全球环保与节能意识的提高,人们对柴油机综合性能要求也在不断提高,综合性能较低的柴油机机油已经不能满足现代工业化的需要。高性能柴油机机油的标准不断升级的同时,评价柴油机机油使用性能的试验技术和理论方法也在相应的跟进，例如长换油周期。柴油机的换油周期越来越长，不仅有效节约了换油成本，而且降低了污染。越来越多的终端客户及经销商趋向于使用长换油周期的柴油机机油。目前柴油机机油的平均换油周期集中在60000km左右，这对于长换油周期的柴油机机油的各方面性能提出了更高的要求。加之，柴油机机油用于机械的摩擦部分，润滑和密封作用，也可以用于金属表面防锈作用，新型的高性能的柴油机机油的开发显得尤为重要。
发明内容
本发明要解决的技术问题在于提供一种合成型柴油机机油，该柴油机机油优异的抗氧化性能，稳定的抗剪切性能，长效的油膜保护，保证发动机在长期行驶过程中，长换油周期间有个稳定高效的使用性能。
本发明提供了一种合成型柴油机机油，包括三类基础油，高粘度四类基础油、复合添加剂、降凝剂，所述合成型柴油机机油三类基础油，以质量百分比计，包括：三类基础油的含量为68%~71%，高粘度四类基础油的含量14%~16%，复合添加剂的含量为14%~16%，降凝剂的含量为0.3%。
优选的，所述三类基础油为高粘度指数加氢基础油。
优选的，所述三类基础油的基础油粘度指数为120~140。
优选的，所述高粘度四类基础油为聚a烯烃基础油。
优选的，所述高粘度四类基础油的粘度指数为180~210。
优选的，所述降凝剂为聚a烯烃型降凝剂。
本发明的有益效果：通过选用三类基础油和聚a烯烃相融合，很好的解决了添加剂的相容性问题，并且聚a烯烃具有良好的粘温性能，较好的热氧化安定性，同时三类基础油也具有良好的氧化稳定性，配合高性能添加剂的使用能很好的提升换油周期。使用的复合添加剂具有优异的抗氧及抗磨性能，并且具有良好的清净分散性，在长换油周期过程中能够提供长久的碱值保护，并且有效的较少烟炱和油泥的形成，能够长久保持发动机清洁。不添加任何粘度指数改进剂，有效的保证了润滑油的抗剪切性能，在长换油周期过程中，压力不会下降。通过使用了高粘度合成基础油，增强了润滑油的油膜强度，保证了发动机在长公里行驶过程中能够提供足够强度的油膜保护。
附图说明
无。
具体实施方式
本发明还提供了上述合成型柴油机机油的制备方法，包括以下步骤：以下以质量百分比计，
步骤1：将69%比例的韩国双龙250N三类基础油通过螺杆泵泵送到调和釜中，开启升温和脉冲，基础油温度控制在60℃±5℃。
步骤2：将高粘度聚a烯烃PAO200通过螺杆泵泵送到调和釜中，并控制温度在60℃±5℃，开启脉冲，使两种基础油充分混合。
步骤3：将0.3%的罗曼克斯T1-248降凝剂缓慢加入到调和釜中，并开启脉冲，脉冲时间控制在20min，使降凝剂充分溶解到基础油中。
步骤4：将16%雅富顿化工H8788LA通过螺杆泵泵送到调和釜中，温度控制在60℃±5℃，开启脉冲，脉冲时间控制在30min，使复合添加剂充分溶解到基础油中。
对实施例中的混合物进行性能测试，得到结果见表1：
表1：柴油机机油的性能测试结果
从以上数据可以看出，较低的运动粘度保证了良好的燃油经济型，同时，高温高剪切数据保证了产品具有稳定持久的压力，可以提供长换油周期的使用。
Claims (6)
1.一种合成型柴油机机油，其特征在于：包括三类基础油，高粘度四类基础油，复合添加剂，降凝剂，以质量百分比计，所述三类基础油的含量为68%~71%，所述高粘度四类基础油的含量14%~16%，复合添加剂的含量为14%~16%，降凝剂的含量为0.3%。
2.根据权利要求1所述的合成型柴油机机油，其特征在于：所述三类基础油为高粘度指数加氢基础油。
3.根据权利要求1所述的合成型柴油机机油，其特征在于：所述三类基础油的基础油粘度指数为120~140。
4.根据权利要求1所述的合成型柴油机机油，其特征在于：所述高粘度四类基础油为聚a烯烃基础油。
5.根据权利要求1所述的合成型柴油机机油，其特征在于：所述高粘度四类基础油的粘度指数180~210。
6.根据权利要求1所述的合成型柴油机机油，其特征在于，所述降凝剂为聚a烯烃型降凝剂。
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112574801A (zh) * | 2020-12-21 | 2021-03-30 | 圣保路石油化工（天津）股份有限公司 | 一种长里程用合成柴机油及其制备方法 |
| CN113969204A (zh) * | 2020-07-22 | 2022-01-25 | 韦纳奇润滑油无锡有限公司 | 一种缓解烧机油现象的汽车发动机油及其制备方法 |
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2018
- 2018-01-04 CN CN201810007158.XA patent/CN110003970A/zh active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113969204A (zh) * | 2020-07-22 | 2022-01-25 | 韦纳奇润滑油无锡有限公司 | 一种缓解烧机油现象的汽车发动机油及其制备方法 |
| CN112574801A (zh) * | 2020-12-21 | 2021-03-30 | 圣保路石油化工（天津）股份有限公司 | 一种长里程用合成柴机油及其制备方法 |
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Application publication date: 20190712 |