CN100338195C - 二硫化钼润滑组合物油基乳液及其制备方法 - Google Patents

二硫化钼润滑组合物油基乳液及其制备方法 Download PDF

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CN100338195C
CN100338195C CNB031209300A CN03120930A CN100338195C CN 100338195 C CN100338195 C CN 100338195C CN B031209300 A CNB031209300 A CN B031209300A CN 03120930 A CN03120930 A CN 03120930A CN 100338195 C CN100338195 C CN 100338195C
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molybdenumdisulphide
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徐小宁
嵇明
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China Aviation Tiancheng Science and Technology Co., Ltd.
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Abstract

一种润滑组合物产品、或用作润滑组合物产品的基本成分的二硫化钼油基乳液及其制备方法,该乳液含有二硫化钼粉体以及矿源基油或合成源基油或植物基油的两种成分,外观为金属灰蓝色稳定的油状均匀乳液,无漂浮物、不分层、有效成分不沉降,可单独作为润滑组合物产品,也可用作各种润滑油添加剂产品的基本成分,其中的固形物也可用作固体润滑剂产品的基本成分或用作各种润滑脂添加剂产品的基本成分。该乳液通过非化工的物理方法进行生产。

Description

二硫化钼润滑组合物油基乳液及其制备方法
技术领域
本发明是涉及润滑组合物技术领域的一种油基乳液,特别是一种含有二硫化钼粉体以及矿源基油或合成源基油或植物基油的两种基本成份的油基乳液及其制备方法。
背景技术
因为二硫化钼粉体与油基不亲和、不能够形成均匀乳液,现有含钼类粉体成份的润滑油添加剂或者采用有机钼类化合物,或者为使二硫化钼粉体与油亲和形成均匀乳液而加入相应的表面活性剂或分散剂。有机钼类化合物的减摩、、抗极压、和稳定性低于二硫化钼粉体,而加入相应的表面活性剂或分散剂的目的仅在于使二硫化钼粉体与油基亲和形成均匀乳液,过于复杂的多种添加剂成份对于提高添加剂的润滑性能、保持添加剂稳定性构成不利因素。
发明内容
本发明的目的是提供一种不必为使二硫化钼粉体与油亲和形成稳定均匀乳液而加入各种表面活性剂或分散剂的二硫化钼润滑组合物油基乳液及其制备方法。
本发明提供的二硫化钼润滑组合物油基乳液无漂乳物、不分层、有效成份不沉降,不堵塞润滑油滤清器,具有预料不到的减摩、抗极压、修复、密封和稳定性,而且其制备方法是一种非化工的纯物理方法。
本发明按以下方案实现:
一种可用作润滑油添加剂产品、或用作各种润滑油的添加剂产品的基本成份的二硫化钼油基乳液,其中的固形物用作固体润滑剂的基本成份或各种润滑脂添加剂的基本成份,特别是一种含有二硫化钼粉体以及矿源基油或合成源基油或植物基油的两种基本组份的稳定油状乳液,其配方及制法为:
优质矿源基础油或优质合成源基础油或植物油基油:  70~99份
二硫化钼粉体:粒度5μm~100μm,                 30~1份
以上两种成份混合,搅拌,以声空化方法对流体混合物反复处理,直至通过纯物理的声空化过程,使二硫化钼粉体的粒度细化,并且使二硫化钼粉体与油亲和形成稳定均匀乳液,静置,使无效成份沉淀并去除,即获得粒度为0.2μm~2μm符合要求的乳液,乳液无漂浮物、不分层、有效成分不沉降,为金属灰蓝色,乳液具有预料不到的减摩、抗极压、修复、密封和稳定性等优点。
上述乳液可以单独用作润滑油添加剂成品使用。
上述乳液在用作各种润滑油的添加剂的基本成份,或其中的固形物用作固体润滑剂的基本成份或各种润滑脂添加剂的基本成份时,可根据所要制成的各种不同的具体润滑脂添加剂产品或不同的具体固体润滑剂产品的特性的需要,分别选择再加入有关的各种其它添加剂的成份:如黏度调节剂、消泡剂、防锈剂、降凝剂、抗乳化剂等,加入时乳液温度低于70℃,并匀化搅拌。
具体实施方式
实施例
本实施例为含有二硫化钼和矿源基油两种基本组份的油基乳液,没有添加其它种类添加剂成份。
(1)实施例乳液二硫化钼的粒度分布检测
实施例乳液中二硫化钼的粒度分布
    颗粒粒径     0.1μm     0.2μm     0.3μm     0.4μm     0.5μm     1μm   2μm   3μm
    个数占百分比     0.00%     9.67%     22.3%     22.3%     21.93     22.3%   1.49%   0.00%
该项检测的立体柱状图见说明书附图。
上述分析的检测设备和设备厂家:
    检测设备 设备厂家
    UV-M300图像分析仪 北京和众视野科技发展有限公司
    KS2000激光粒度分析仪 英国Malvern公司
(2)标准试验件极压试验
试验结果:使用上述实施例乳液可使试验件失效负荷明显增加,达到1.7倍。
    油样名称   失效负荷,N(1bf)
    M-A   5338(1200)
    基础油HVI S500   3114(700)
    试验方法   SH/T0187-92(A法)
(3)轴承性能对比试验
“6204轴承”500小时定时截尾性能对比试验
对于同一企业、同一批次生产的产品,在其它试验条件严格保证相同的情况下,采用上述实施例乳液的润滑油与不加实施例乳液的润滑油进行500小时定时截尾对比试验表明:
使用实施例乳液轴承的使用寿命是不添加实施例乳液的N32级机油润滑油轴承的3.4倍;
使用实施例乳液轴承的平均温度比不添加实施例乳液的N32级机油润滑油轴承低6℃,最多低12℃;
使用实施例乳液轴承的轴承游隙的变化量比不添加实施例乳液的N32级机油润滑油轴承平均低1.9倍,抗磨损性提高1倍;
使用实施例乳液轴承的加速度振动值平均比不添加实施例乳液的N32级机油润滑油轴承低1.4倍,速度振动值平均低1.6倍。
(4)BJ491EQ型汽油发动机快速磨合检测试验
上述实施例乳液加在SE级汽机油中,在只进行60分钟短期磨合的情况下,即可使汽油机达到BJ491EQ型汽油发动机生产企业的企业标准规定的出厂磨合技术要求,比企业标准规定的磨合时间50小时缩短了49小时;
试验检测结果:
不添加实施例乳液的SE级汽机油:功率74±2KW;最大扭矩≥177N·m;最低比油耗≤270g/KWH;漏气量≤28L/min;机油/燃油比≤0.8%;气缸压力≥1128kpa。
添加实施例乳液的SE级汽机油:功率72.7KW;最大扭矩183.9N·m;最低比油耗251g/KWH;漏气量21L/min;机油/燃油比0.296%%;气缸压力1210kpa。
在性能试验后,对发动机解体拆检显示,使用上述实施例乳液后,缸套内壁表面光滑、有光泽,原机械加工网纹保持完好,完全达到技术标准要求。
使用上述实施例乳液后总功率试验所测得性能指标达到或超过企业标准规定要求.
(5)BJ493Q型柴油发动机快速磨合试验
上述实施例乳液加在CD级柴机油中,在只进行80分钟短期磨合的情况下,即可使柴油机达到BJ493Q型柴油发动机生产企业的企业标准规定的新机出厂磨合技术要求,比企业标准规定的磨合时间43小时缩短了41小时;
试验检测结果:
不添加实施例乳液的CD级机油:功率53±2KW;最大扭矩165±5N·m;最低比油耗≤241g/KWH;漏气量≤33L/min;机油/燃油比≤0.8%;最大烟度≤4(FSN);
添加实施例乳液的CD级机油:功率53KW;最大扭矩162.4N·m;最低比油耗217.4g/KWH;漏气量23L/min;机油/燃油比0.173%;最大烟度≤3.36(FSN);
在性能试验后,对发动机解体拆检显示,使用上述实施例乳液后,缸套内壁表面光滑、有光泽,原机械加工网纹保持完好,完全达到企业技术标准要求。
使用上述实施例乳液后总功率试验所测得性能指标达到或超过企业标准规定要求。

Claims (2)

1、一种二硫化钼润滑组合物油基乳液,其特征在于:它是由二硫化钼粉体和矿物基油或合成源基油或植物基油两种成分组成的稳定的油状均匀乳液,不包含任何其它添加剂。
2、一种制备如权利要求1所述二硫化钼油基乳液的方法,其特征在于它是一种非化工的纯物理方法,由以下步骤组成:
(1)将70~99份优质矿物质基础油或优质合成源基础油或植物油基油,与30-1份粒度为5μm~100μm的二硫化钼粉体进行混合、搅拌;
(2)以纯物理的声空化方法对上述混合物反复处理,使其中的二硫化钼粉体细化至粒度为0.2μm~2μm,从而使其与油亲和形成稳定的均匀乳液;
(3)静置,使无效成分沉淀并去除之。
CNB031209300A 2003-03-25 2003-03-25 二硫化钼润滑组合物油基乳液及其制备方法 Expired - Fee Related CN100338195C (zh)

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CN107216685A (zh) * 2017-06-21 2017-09-29 嵩县开拓者钼业有限公司 一种润滑添加剂用无尘二硫化钼的制备方法
CN109749822A (zh) * 2017-11-03 2019-05-14 南京知博工业科技有限公司 一种可做润滑油的植物油组合物
CN110904317B (zh) * 2019-11-05 2021-04-09 东营普洛孚能源技术有限公司 一种不锈钢膨胀管硬化处理工艺

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