CN106398819A - 一种可生物降解的润滑油 - Google Patents

一种可生物降解的润滑油 Download PDF

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CN106398819A
CN106398819A CN201610766548.6A CN201610766548A CN106398819A CN 106398819 A CN106398819 A CN 106398819A CN 201610766548 A CN201610766548 A CN 201610766548A CN 106398819 A CN106398819 A CN 106398819A
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lubricating oil
oil
acid
stearic acid
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李勇
蔡莉丽
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Precious Prompt Lubricating Oil Zhenjiang Co Ltd
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Precious Prompt Lubricating Oil Zhenjiang Co Ltd
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Abstract

本发明公开了一种可生物降解的润滑油，包括植物基合成油12～18份、粘度调节剂2～6份、防腐剂2～5份、杀菌剂2～5份、消泡剂2～5份和水50～60份。所述的植物基合成油的成分及组成为：油酸2～10份、亚油酸2～4份、蓖麻油80～90份、硬脂酸0.5～2份、二羟硬脂酸0.5～2份。本发明提供的润滑油可以进行生物降解，有利于环保。此外，本发明所提供的润滑油的最大无卡咬负荷得到了很大的提高，具有较好的润滑性能及稳定性。

Description

一种可生物降解的润滑油
技术领域
本发明属于精细化工生产技术领域，具体涉及一种可生物降解的润滑油。
背景技术
润滑油基础油主要分矿物基础油、合成基础油以及生物基础油三大类。矿物基础油应用广泛，用量很大(约95％以上)，但有些应用场合则必须使用合成基础油和生物油基础油调配的产品，因而使这两种基础油得到迅速发展。
我国市场最流行润滑油油品大多是以石油为基础油的润滑油，它们难以降解，几乎长期留在环境中。每年全球消耗润滑油为3600～4000万吨，其中1000万吨左右的润滑油由于泄漏、飞溅、油气蒸发、包装用品的残留、不当地抛弃等原因直接进入人类居住的生态环境，严重污染土壤和水资源，破坏生态环境。人们对润滑油的污染问题也很关注。但到目前为止，绝大多数使用的润滑油，还是石油为基础油的润滑油。
植物油基的润滑油是一种环境友好的润滑油，如豆油、玉米油、菜籽油、棉籽油、蓖麻油等，其中最早进入市场的是德国用菜籽油(含油量35～40)合成的润滑油。但菜籽油凝点较高，低温时容易凝固，酯化后低温性能不理想。菜籽油的氧化稳定性较差，在高温时容易形成油泥和沉淀物。因此，能否以植物油为基础制备出合适的润滑油，使其能够有效的生物降解，是值得研究的课题。
发明内容
发明目的：针对现有技术中的不足，本发明提供了一种可生物降解的润滑油。
技术方案：本发明所述的一种可生物降解的润滑油，包括植物基合成油12～18份、粘度调节剂2～6份、防腐剂2～5份、杀菌剂2～5份、消泡剂2～5份和水50～60份。
所述的植物基合成油的成分及组成为：油酸2～10份、亚油酸2～4份、蓖麻油80～90份、硬脂酸0.5～2份、二羟硬脂酸0.5～2份。
所述的粘度调节剂为亚乙基双硬脂酸酰胺。所述的消泡剂为聚氧乙烯聚氧丙烯季戊四醇醚。所述的防腐剂为双乙酸钠。所述的杀菌剂为甲基托布津。
所述植物基合成油通过以下方法得到：将油酸2～10份、亚油酸2～4份、蓖麻油80～90份混合搅拌，得到油状混合物，并保持搅拌状态；将硬脂酸0.5～2份、二羟硬脂酸0.5～2份混合加热，加热至60～65℃后，逐渐加入油装混合物中，持续搅拌10～15分钟。
上述过程中，优选的原料配比为：将油酸8份、亚油酸34份、蓖麻油88份、硬脂酸1份、二羟硬脂酸1份。
所述的润滑油通过以下方法得到：将植物基合成油加热至40～45℃后加入防腐剂、杀菌剂、消泡剂和水，在35～40rps的转速下搅拌10～20min；最后加入粘度调节剂，在30～35rps的转速下搅拌20～30min，即得到。
有益效果：本发明提供的润滑油可以进行生物降解，有利于环保。此外，本发明所提供的润滑油的最大无卡咬负荷得到了很大的提高，具有较好的润滑性能及稳定性。
具体实施方式：
实施例1
将油酸8份、亚油酸3份、蓖麻油88份混合搅拌，得到油状混合物，并保持搅拌状态。
将硬脂酸1份、二羟硬脂酸1份混合加热，加热至60℃后，逐渐加入油装混合物中，持续搅拌10分钟，得到植物基合成油。
将上述所得植物基合成油18份加热至45℃后加入防腐剂2份、杀菌剂2份、消泡剂5份和水60份，在40rps的转速下搅拌20min。
最后加入粘度调节剂6份，在35rps的转速下搅拌30min，即得到。
实施例2
将油酸10份、亚油酸4份、蓖麻油90份混合搅拌，得到油状混合物，并保持搅拌状态。
将硬脂酸2份、二羟硬脂酸2份混合加热，加热至65℃后，逐渐加入油装混合物中，持续搅拌15分钟，得到植物基合成油。
将上述所得植物基合成油12份加热至40℃后加入防腐剂2份、杀菌剂2份、消泡剂2份和水50份，在35rps的转速下搅拌10min。
最后加入粘度调节剂2份，在30rps的转速下搅拌20min，即得到。
实施例3
将油酸2份、亚油酸2份、蓖麻油80份混合搅拌，得到油状混合物，并保持搅拌状态。
将硬脂酸0.5份、二羟硬脂酸0.5份混合加热，加热至60℃后，逐渐加入油装混合物中，持续搅拌10分钟，得到植物基合成油。
将上述所得植物基合成油18份加热至45℃后加入防腐剂～5份、杀菌剂5份、消泡剂5份和水60份，在40rps的转速下搅拌20min。
最后加入粘度调节剂6份，在35rps的转速下搅拌30min，即得到。
实施例4
将油酸10份、亚油酸4份、蓖麻油90份混合搅拌，得到油状混合物，并保持搅拌状态。
将硬脂酸2份、二羟硬脂酸2份混合加热，加热至65℃后，逐渐加入油装混合物中，持续搅拌15分钟，得到植物基合成油。
将上述所得植物基合成油18份加热至45℃后加入防腐剂～5份、杀菌剂5份、消泡剂5份和水60份，在40rps的转速下搅拌20min。
最后加入粘度调节剂6份，在35rps的转速下搅拌30min，即得到。
实施例5
将油酸2份、亚油酸2份、蓖麻油80份混合搅拌，得到油状混合物，并保持搅拌状态。
将硬脂酸0.5份、二羟硬脂酸0.5份混合加热，加热至60℃后，逐渐加入油装混合物中，持续搅拌10分钟，得到植物基合成油。
将上述所得植物基合成油12份加热至40℃后加入防腐剂2份、杀菌剂2份、消泡剂2份和水50份，在35rps的转速下搅拌10min。
最后加入粘度调节剂2份，在30rps的转速下搅拌20min，即得到。
将实施例1～实施例5所制得的润滑油，进行最大无卡咬负荷(PB值)测试，(测试方法采用BG/T3142)及生物降解率测试，所得结果如下表所示：
实施例1 实施例2 实施例3 实施例4 实施例5
PB值/kgf 71 63 62 65 60
生物降解率/％ 97 96 93 94 90
可以看出本发明所提供的润滑油可生物降解，尤其是实施例1所得到的润滑油产品，不仅PB值高，而且生物降解率高，具有较好的性能。

Claims (8)

1.一种可生物降解的润滑油，其特征在于所述的润滑油包括植物基合成油12～18份、粘度调节剂2～6份、防腐剂2～5份、杀菌剂2～5份、消泡剂2～5份和水50～60份。
2.如权利要求1所述的可生物降解的润滑油，其特征在于所述的植物基合成油的成分及组成为：油酸2～10份、亚油酸2～4份、蓖麻油80～90份、硬脂酸0.5～2份、二羟硬脂酸0.5～2份。
3.如权利要求1所述的可生物降解的润滑油，其特征在于所述的粘度调节剂为亚乙基双硬脂酸酰胺。
4.如权利要求1所述的可生物降解的润滑油，其特征在于所述的消泡剂为聚氧乙烯聚氧丙烯季戊四醇醚。
5.如权利要求1所述的可生物降解的润滑油，其特征在于所述的防腐剂为双乙酸钠。
6.如权利要求1所述的可生物降解的润滑油，其特征在于所述的杀菌剂为甲基托布津。
7.如权利要求2所述的可生物降解的润滑油，其特征在于所述植物基合成油通过以下方法得到：将油酸2～10份、亚油酸2～4份、蓖麻油80～90份混合搅拌，得到油状混合物，并保持搅拌状态；将硬脂酸0.5～2份、二羟硬脂酸0.5～2份混合加热，加热至60～65℃后，逐渐加入油装混合物中，持续搅拌10～15分钟，即得到。
8.如权利要求7所述的可生物降解的润滑油，其特征在于原料配比为：将油酸8份、亚油酸3份、蓖麻油88份、硬脂酸1份、二羟硬脂酸1份。
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