CN109504514B - 一种便捷制备碳点基润滑液的方法 - Google Patents
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Abstract
本发明属于润滑液制备技术领域,一种便捷制备碳点基润滑液的方法,以多元醇或聚醚多元醇为基础油,将苯二胺加入基础油中,苯二胺在基础油中的质量百分比浓度为0.1~2wt%;通过加热或超声使苯二胺溶于基础油,即形成碳点基润滑液。所述的润滑液中进一步加入抗氧化剂、抗腐剂、防锈剂中的一种或两种以上混合。本发明提供一步便捷制备润滑液方法,操作简单;制备的润滑液绿色环保,不含有磷、硫、氯等元素。
Description
技术领域
本发明属于润滑液制备技术领域,涉及一种便捷制备碳点基润滑液的方法。
背景技术
摩擦磨损造成的损失占目前全球能源消耗的三分之一,加剧了环境污染和能源短缺问题。作为一种重要的节能措施,低摩擦、高效的润滑油添加剂引起了人们的广泛研究。含磷、硫、氯等元素的常规润滑剂具有较好的抗磨损性能,但由于对环境有害和降解困难,不能满足环保要求。过去数十年中,二氧化钛纳米颗粒、铜纳米颗粒、富勒烯、纳米管、石墨烯、纳米金刚石等纳米颗粒被广泛用作添加剂,具有良好的抗磨性能。然而,它们的合成过程中前体昂贵,制备方法复杂,限制了其潜在的应用。幸运的是,碳点(又称碳量子点)作为一种新型碳纳米材料,具有制备方便、前驱体成本低、分散性好、体积小、功能化表面小、对环境污染小等特点,其作为新型润滑剂添加剂受到了广泛的研究。但是现有的研究通常为两步法制备碳点基润滑液。第一步先制备碳点,第二步将碳点加入基础油中形成润滑液。但是,两步制备法步骤繁琐,难以实现大规模制备,明显存在耗时长、工序多、成本高等问题。
发明内容
本发明的目的是针对现有制备方法中存在的耗时长、工序多、操作复杂等问题,提供一种便捷制备碳点基润滑液的方法。
本发明的技术方案:
一种便捷制备碳点基润滑液的方法,步骤如下:
以多元醇或聚醚多元醇为基础油,将苯二胺加入基础油中,苯二胺在基础油中的质量百分比浓度为0.1~2wt%;通过加热或超声使苯二胺溶于基础油,苯二胺在加热或超声过程中脱水缩合生成碳点,即形成碳点基润滑液。
加热条件为:30~300℃,加热时长5min~72h。
超声条件为:超声功率50~5000W,超声时长5min~72h。
所述的多元醇或聚醚多元醇包括乙二醇、丙三醇、聚乙二醇等。
所述的润滑液中进一步加入抗氧化剂、抗腐剂、防锈剂中的一种或两种以上混合。
本发明的有益效果:
(1)提供一步便捷制备润滑液方法,操作简单;
(2)制备的润滑液绿色环保,不含有磷、硫、氯等元素。
附图说明
图1为聚乙二醇基础油及实施例1所制备润滑液的摩擦系数曲线。
图2为聚乙二醇基础油及实施例2所制备润滑液的摩擦系数曲线。
具体实施方式
以下结合附图和技术方案,对本发明的技术方案作进一步的描述。
实施例中采用四球摩擦实验测定润滑液的摩擦性能,四球摩擦实验参数:载荷600N,转速1200rpm,时间60min,温度75℃。
实施例1
一种便捷制备碳点基润滑液方法,具体步骤为:以聚乙二醇为基础油,将0.104g邻苯二胺加入到13mL的聚乙二醇溶液中;使用热水浴加热手段,使邻苯二胺溶于聚乙二醇溶液,邻苯二胺在加热过程中脱水缩合生成碳点,即制成碳点质量分数为0.8wt%的碳点基润滑液。上述的热水浴加热温度为60℃,加热时长为5h。制备完成的润滑液不添加任何添加剂。图1为聚乙二醇基础油及实施例1所制备润滑液的摩擦系数曲线,由此可知,所制备的润滑液可降低摩擦系数,有较好的润滑性。
实施例2
一种便捷制备碳点基润滑液方法,其特征在于,具体步骤为:以聚乙二醇为基础油,将0.104g邻苯二胺加入到13mL的聚乙二醇溶液中;使用超声手段,使邻苯二胺溶于聚乙二醇溶液,邻苯二胺在超声过程中脱水缩合生成碳点,即制成碳点质量分数为0.8wt%的碳点基润滑液。上述的超声条件为:超声功率70W,超声时长5h。制备完成的润滑液不添加任何添加剂。图2为聚乙二醇基础油及实施例1所制备润滑液的摩擦系数曲线,由此可知,所制备的润滑液可降低摩擦系数,有较好的润滑性。
Claims (8)
1.一种便捷制备碳点基润滑液的方法,其特征在于,步骤如下:
以多元醇或聚醚多元醇为基础油,将苯二胺加入基础油中,苯二胺在基础油中的质量百分比浓度为0.1~2wt%;通过超声使苯二胺溶于基础油,即形成碳点基润滑液。
2.根据权利要求1所述的方法,其特征在于,超声条件为:超声功率50~5000W,超声时长5min~72h。
3.根据权利要求1或2所述的方法,其特征在于,所述的苯二胺为邻苯二胺、对苯二胺或间苯二胺。
4.根据权利要求1或2所述的方法,其特征在于,所述的多元醇或聚醚多元醇包括乙二醇、丙三醇、聚乙二醇。
5.根据权利要求3所述的方法,其特征在于,所述的多元醇或聚醚多元醇包括乙二醇、丙三醇、聚乙二醇。
6.根据权利要求1、2或5所述的方法,其特征在于,所述的润滑液中进一步加入抗氧化剂、抗腐剂、防锈剂中的一种或两种以上混合。
7.根据权利要求3所述的方法,其特征在于,所述的润滑液中进一步加入抗氧化剂、抗腐剂、防锈剂中的一种或两种以上混合。
8.根据权利要求4所述的方法,其特征在于,所述的润滑液中进一步加入抗氧化剂、抗腐剂、防锈剂中的一种或两种以上混合。
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CN86100480A (zh) * | 1984-05-01 | 1987-08-19 | 美国银行公司 | 与醇类燃料配合使用的润滑剂添加剂 |
CN103571578A (zh) * | 2012-08-06 | 2014-02-12 | 中国石油化工股份有限公司 | 润滑液组合物及其制备方法 |
CN107236542A (zh) * | 2017-07-21 | 2017-10-10 | 武汉大学 | 基于掺氮碳点荧光膜的制备方法 |
CN107502438A (zh) * | 2017-09-06 | 2017-12-22 | 苏州纽东精密制造科技有限公司 | 一种润滑液的制备方法 |
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CN86100480A (zh) * | 1984-05-01 | 1987-08-19 | 美国银行公司 | 与醇类燃料配合使用的润滑剂添加剂 |
CN103571578A (zh) * | 2012-08-06 | 2014-02-12 | 中国石油化工股份有限公司 | 润滑液组合物及其制备方法 |
CN107236542A (zh) * | 2017-07-21 | 2017-10-10 | 武汉大学 | 基于掺氮碳点荧光膜的制备方法 |
CN107502438A (zh) * | 2017-09-06 | 2017-12-22 | 苏州纽东精密制造科技有限公司 | 一种润滑液的制备方法 |
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