CN106085570A - 一种低噪音半流体锂基润滑脂及其制备方法 - Google Patents

一种低噪音半流体锂基润滑脂及其制备方法 Download PDF

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CN106085570A
CN106085570A CN201610514935.0A CN201610514935A CN106085570A CN 106085570 A CN106085570 A CN 106085570A CN 201610514935 A CN201610514935 A CN 201610514935A CN 106085570 A CN106085570 A CN 106085570A
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semifluid
lithium
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高晓谋
高荣权
何甲生
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Anhui Zhong Tian Petrochemical Co Ltd
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Abstract

本发明涉及一种低噪音半流体锂基润滑脂，包括以下重量份的原料：基础油A 60‑75份、基础油B 20‑25份、12‑羟基硬脂酸6‑7份、硬脂酸1‑2份、氢氧化锂5‑6份、极压耐磨剂A 0.3‑0.5份、极压耐磨剂B 0.5‑1份、防锈抗腐剂1‑1.5份、固体填料1‑1.5份、油性剂0.5‑1份、抗氧剂0.5‑1份。本发明选用的石蜡基油降噪效果较好，使用寿命长，选用的环烷基油黏附性好；选用将硬脂酸和12‑羟基硬脂酸复配来制备半流体锂基润滑脂，使得制备而成的润滑脂机械安定性好，稠化能力强，胶体安定性好，同时降噪效果好；通过选用具有一定吸波性能的固体填料，进一步增强了润滑脂的降噪效果。

Description

一种低噪音半流体锂基润滑脂及其制备方法
技术领域
本发明涉及润滑油脂领域，具体涉及一种低噪音半流体锂基润滑脂及其制备方法。
背景技术
润滑脂是一种稠厚的油脂状半固体，用于机械的摩擦部分，起润滑和密封作用，也用于金属表面，起填充空隙和防锈作用。润滑脂的工作原理是稠化剂将油保持在需要润滑的位置上，有负载时，稠化剂将油释放出来，从而起到润滑作用。
随着经济的发展，机械设备对润滑脂提出了更高的要求，例如为了降低齿轮、轴承等在使用过程中产生的噪音，需要开发一种即满足正常使用性能同时能够降低噪音的润滑脂。
发明内容
本发明的目的在于：提供一种低噪音半流体锂基润滑脂及其制备方法。
为了实现上述目的，本发明采用如下技术方案：
一种低噪音半流体锂基润滑脂，包括以下重量份的原料：
基础油A 60-75份、基础油B 20-25份、12-羟基硬脂酸6-7份、硬脂酸1-2份、氢氧化锂5-6份、极压耐磨剂A 0.3-0.5份、极压耐磨剂B 0.5-1份、防锈抗腐剂1-1.5份、固体填料1-1.5份、油性剂0.5-1份、抗氧剂0.5-1份；
其中，所述的基础油A为环烷基油500DN，基础油B为石蜡基油350SN。
优选地，所述的极压耐磨剂A为二烷基二硫代氨基甲酸钼、极压耐磨剂B为二烷基二硫代磷酸锌。
优选地，所述的防锈抗腐剂为石油磺酸钡或环烷酸。
优选地，所述固体填料为纳米碳酸钙、纳米硅酸钙、纳米硅酸铝、纳米硅胶粉末中的的一种或多种。
优选地，所述的油性剂为硫化棉籽油。
优选地，所述的抗氧剂为N-苯基-α-萘胺。
优选地，一种低噪音半流体锂基润滑脂的制备方法，具体步骤如下：
(1)将50％-60％的基础油A和50％-60％的基础油B投入皂化釜内，升温至60～70℃；
(2)加入12-羟基硬脂酸、硬脂酸、氢氧化锂的水溶液，在100～110℃皂化25-35min；
(3)升温至125～135℃加入剩余基础油A和基础油B，升温至230～240℃进行高温炼制25-35min；
(4)冷却降温至90-110℃时加入极压耐磨剂A、极压耐磨剂B、防锈抗腐剂、固体填料、油性剂、抗氧剂搅拌均匀，冷却至室温后，研磨即可。
本发明的有益效果在于：本发明选用的石蜡基油降噪效果较好，使用寿命长，选用的环烷基油黏附性好；选用将硬脂酸和12-羟基硬脂酸复配来制备半流体锂基润滑脂，使得制备而成的润滑脂机械安定性好，稠化能力强，胶体安定性好，同时降噪效果好；通过选用具有一定吸波性能的固体填料，进一步增强了润滑脂的降噪效果。
具体实施方式
实施例1
一种低噪音半流体锂基润滑脂，包括以下重量份的原料：
环烷基油500DN 60份、石蜡基油350SN 20份、12-羟基硬脂酸6份、硬脂酸1份、氢氧化锂5份、二烷基二硫代氨基甲酸钼0.3份、二烷基二硫代磷酸锌0.5份、石油磺酸钡1份、纳米碳酸钙1份、硫化棉籽油0.5份、N-苯基-α-萘胺0.5份；
上述低噪音半流体锂基润滑脂的制备方法，具体步骤如下：
(1)将50％-60％的环烷基油500DN和50％-60％的石蜡基油350SN投入皂化釜内，升温至60～70℃；
(2)加入12-羟基硬脂酸、硬脂酸、氢氧化锂的水溶液，在100～110℃皂化25-35min；
(3)升温至125～135℃加入剩余环烷基油500DN和石蜡基油350SN，升温至230～240℃进行高温炼制25-35min；
(4)冷却降温至90-110℃时加入二烷基二硫代氨基甲酸钼、二烷基二硫代磷酸锌、石油磺酸钡、纳米碳酸钙、硫化棉籽油、N-苯基-α-萘胺搅拌均匀，冷却至室温后，研磨即可。
实施例2
一种低噪音半流体锂基润滑脂，包括以下重量份的原料：
环烷基油500DN 70份、石蜡基油350SN 22份、12-羟基硬脂酸6.5份、硬脂酸1.5份、氢氧化锂5.5份、二烷基二硫代氨基甲酸钼0.4份、二烷基二硫代磷酸锌0.8份、环烷酸1.2份、纳米硅酸铝1.2份、硫化棉籽油0.8份、N-苯基-α-萘胺0.8份；
上述低噪音半流体锂基润滑脂的制备方法，具体步骤如下：
(1)将50％-60％的环烷基油500DN和50％-60％的石蜡基油350SN投入皂化釜内，升温至60～70℃；
(2)加入12-羟基硬脂酸、硬脂酸、氢氧化锂的水溶液，在100～110℃皂化25-35min；
(3)升温至125～135℃加入剩余环烷基油500DN和石蜡基油350SN，升温至230～240℃进行高温炼制25-35min；
(4)冷却降温至90-110℃时加入二烷基二硫代氨基甲酸钼、二烷基二硫代磷酸锌、环烷酸、纳米硅酸铝、硫化棉籽油、N-苯基-α-萘胺搅拌均匀，冷却至室温后，研磨即可。
实施例3
一种低噪音半流体锂基润滑脂，包括以下重量份的原料：
环烷基油500DN 75份、石蜡基油350SN 25份、12-羟基硬脂酸7份、硬脂酸2份、氢氧化锂6份、二烷基二硫代氨基甲酸钼0.5份、二烷基二硫代磷酸锌1份、石油磺酸钡1.5份、纳米硅酸铝0.5份、纳米硅胶粉末1.0份、硫化棉籽油1份、N-苯基-α-萘胺1份；
上述低噪音半流体锂基润滑脂的制备方法，具体步骤如下：
(1)将50％-60％的环烷基油500DN和50％-60％的石蜡基油350SN投入皂化釜内，升温至60～70℃；
(2)加入12-羟基硬脂酸、硬脂酸、氢氧化锂的水溶液，在100～110℃皂化25-35min；
(3)升温至125～135℃加入剩余环烷基油500DN和石蜡基油350SN，升温至230～240℃进行高温炼制25-35min；
(4)冷却降温至90-110℃时加入二烷基二硫代氨基甲酸钼、二烷基二硫代磷酸锌、石油磺酸钡、纳米硅酸铝、纳米硅胶粉末、硫化棉籽油、N-苯基-α-萘胺搅拌均匀，冷却至室温后，研磨即可。
以上内容仅仅是对本发明所作的举例和说明，所属本技术领域的技术人员对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代，只要不偏离发明的构思或者超越本权利要求书所定义的范围，均应属于本发明的保护范围。

Claims (7)

1.一种低噪音半流体锂基润滑脂，其特征在于：包括以下重量份的原料：
基础油A 60-75份、基础油B 20-25份、12-羟基硬脂酸6-7份、硬脂酸1-2份、氢氧化锂5-6份、极压耐磨剂A 0.3-0.5份、极压耐磨剂B 0.5-1份、防锈抗腐剂1-1.5份、固体填料1-1.5份、油性剂0.5-1份、抗氧剂0.5-1份；
其中，所述的基础油A为环烷基油500DN，基础油B为石蜡基油350SN。
2.根据权利要求1所述的低噪音半流体锂基润滑脂，其特征在于：所述的极压耐磨剂A为二烷基二硫代氨基甲酸钼、极压耐磨剂B为二烷基二硫代磷酸锌。
3.根据权利要求1所述的低噪音半流体锂基润滑脂，其特征在于：所述的防锈抗腐剂为石油磺酸钡或环烷酸。
4.根据权利要求1所述的低噪音半流体锂基润滑脂，其特征在于：所述固体填料为纳米碳酸钙、纳米硅酸钙、纳米硅酸铝、纳米硅胶粉末中的的一种或多种。
5.根据权利要求1所述的低噪音半流体锂基润滑脂，其特征在于：所述的油性剂为硫化棉籽油。
6.根据权利要求1所述的低噪音半流体锂基润滑脂，其特征在于：所述的抗氧剂为N-苯基-α-萘胺。
7.一种低噪音半流体锂基润滑脂的制备方法，其特征在于：具体步骤如下：
(1)将50％-60％的基础油A和50％-60％的基础油B投入皂化釜内，升温至60～70℃；
(2)加入12-羟基硬脂酸、硬脂酸、氢氧化锂的水溶液，在100～110℃皂化25-35min；
(3)升温至125～135℃加入剩余基础油A和基础油B，升温至230～240℃进行高温炼制25-35min；
(4)冷却降温至90-110℃时加入极压耐磨剂A、极压耐磨剂B、防锈抗腐剂、固体填料、油性剂、抗氧剂搅拌均匀，冷却至室温后，研磨即可。
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