CN105838493A - 一种润滑脂组合物 - Google Patents

一种润滑脂组合物 Download PDF

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CN105838493A
CN105838493A CN201610305964.6A CN201610305964A CN105838493A CN 105838493 A CN105838493 A CN 105838493A CN 201610305964 A CN201610305964 A CN 201610305964A CN 105838493 A CN105838493 A CN 105838493A
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lubricant composition
agent
grease composition
oil
content
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欧阳秋
康健
李春秀
金承华
田忠利
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China Petroleum and Chemical Corp
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Abstract

本发明提供了一种润滑脂组合物，其包括55wt％～85wt％的基础油、0wt％～30wt％的增粘剂、8wt％～15wt％稠化剂、0.1wt％～1.0wt％的防腐蚀剂、1wt％～3wt％的防锈剂和0.5wt％～2.0wt％的抗氧剂。本申请提供的润滑脂组合物具有良好的润滑性，优异的高低温性能，‑40℃下运转力矩小，粘附性好，在蜗杆轴，蜗轮、齿条、丝杆等非密闭部位不流失，降噪效果好，有利于提高座椅运行舒适性、平稳性，也可用于为其他机械提供阻尼、降噪、润滑的作用，从而具有良好的工业应用前景。

Description

一种润滑脂组合物
技术领域
本发明涉及润滑油技术领域，尤其涉及一种润滑脂组合物。
背景技术
目前，轿车的座椅多是电动可调的，又称电动座椅。人们对轿车舒适性的评价多是通过座椅感受的，因此轿车上配备的电动座椅必须要满足便利性和舒适性两大要求。为了满足这些要求，汽车厂家不断采用机械和电子技术手段，制造出可调整的电动座椅。
轿车的电动座椅系统由双向电动机、传动机构以及调节控制电路等组成。其中，传动机构是必不可少的重要部件之一。一个舒适的座椅要求传动机构运行时有十分良好的平稳性，噪音要低。轿车的电动座椅的传动机构一般有蜗轮蜗杆传动与驱动钢丝传动等类型。蜗轮蜗杆传动的传动部件有蜗杆轴、蜗轮、齿轴和齿条等；驱动钢丝传动方式是驱动钢丝将电机与驱动螺母相连，齿轮螺母转动千斤顶螺栓和座椅每一侧的调节器。
在座椅传动机构中，蜗杆轴、蜗轮、齿轴、齿条以及齿轮螺母等部位需涂抹润滑脂进行润滑和防护，因此要求润滑脂具有良好的粘附性、润滑性、低温启动性以及低的运行噪音。普通润滑脂用于该部位存在的主要问题是低温启动及运行阻力大，降噪效果不好。
发明内容
本发明解决的技术问题在于提供一种综合性能的润滑脂组合物进一步的，本申请提供的润滑脂组合物用于座椅传动机构具有良好的粘附性、润滑性、低温启动性以及低的运行噪音。
有鉴于此，本申请提供了一种润滑脂组合物，包括：
优选的，所述基础油为烃类油和酯类油中的一种或多种。
优选的，所述增粘剂选自聚异丁烯、乙丙共聚物和聚甲基丙烯酸酯中的一种或多种。
优选的，所述稠化剂为硅胶。
优选的，所述防腐蚀剂选自苯三唑衍生物类和噻二唑衍生物中的一种或多种。
优选的，所述防锈剂选自金属磺酸盐、脂肪胺和烷基琥珀酸衍生物中的一种或多种。
优选的，所述抗氧剂选自有机酚类和胺类化合物中的一种或多种。
优选的，所述增粘剂的含量为5～22wt％。
优选的，所述稠化剂的含量为8.5～13wt％。
优选的，所述基础油的含量为62wt％～80wt％。
本申请提供了一种润滑脂组合物，其包括55wt％～85wt％的基础油、0wt％～30wt％的增粘剂、8wt％～15wt％稠化剂、0.1wt％～1.0wt％的防腐蚀剂、1wt％～3wt％的防锈剂和0.5wt％～2.0wt％的抗氧剂。本申请在润滑脂组合物中加入了基础油、增粘剂、稠化剂、防腐蚀剂、防锈剂与抗氧剂，并通过调整基础油与添加剂的含量，使各种组分协同作用，从而获得了低温性能优异与降噪效果好的润滑脂组合物。
具体实施方式
为了进一步理解本发明，下面结合实施例对本发明优选实施方案进行描述，但是应当理解，这些描述只是为进一步说明本发明的特征和优点，而不是对本发明权利要求的限制。
本发明实施例公开了一种润滑脂组合物，包括：
在润滑脂组合物中，本申请添加基础油、增粘剂、稠化剂、防腐蚀剂、防锈剂与抗氧剂，并通过将基础油、稠化剂与其他添加剂的含量进行配比，使润滑脂组合物具有良好的润滑性、高低温性能、粘附性、不流失与降噪效果好。
本申请所述基础油为本领域技术人员熟知的基础油，对此本申请没有特别的限制。作为优选方案，所述基础油优选选自烃类油与酯类油中的一种或多种；更具体的，所述烃类油优选为聚α烯烃，所述酯类油优选为多元醇酯。所述基础油的含量为55wt％～85wt％，在实施例中，所述基础油的含量优选为62wt％～80wt％，更优选为65wt％～76wt％。
本申请中所述增粘剂、稠化剂、防腐蚀剂、防锈剂与抗氧剂均为润滑脂组合物添加剂，以提高润滑脂组合物的综合性能，使本申请所述润滑脂组合物可用于座椅传动机构。所述增粘剂为本领域技术人员熟知的增粘剂，对此本申请没有特别的限制，具体的，所述增粘剂优选选自聚异丁烯、乙丙共聚物和聚甲基丙烯酸酯中的一种或多种。所述增粘剂的含量为0wt～30wt％，优选为5～22wt％，更优选为10～18wt％。所述稠化剂为本领域技术人员熟知的，对此本申请没有特别的限制，示例的，所述稠化剂优选为硅胶或硅胶与二苯基硅二醇的混合物。所述稠化剂的含量为8wt％～15wt％，优选为8.5wt％～13wt％。所述防腐蚀剂为本领域技术人员熟知的，对此本申请没有特别的限制，示例的，所述防腐蚀剂优选选自苯三唑衍生物和噻二唑衍生物中的一种或多种，更优选为苯三唑衍生物，在实施例中，所述防腐蚀剂优选为苯骈三氮唑或2,5-二巯基-1,3,4-噻二唑衍生物。所述防腐蚀剂的含量为0.1wt％～1.0wt％，优选为0.3wt％～0.8wt％，更优选为0.5wt％～0.6wt％。所述防锈剂为本领域技术人员熟知的，对此本申请没有特别的限制，示例的，所述防锈剂优选选自金属磺酸盐、脂肪胺和烷基琥珀酸衍生物中的一种或多种，更优选为金属磺酸盐，在实施例中，所述防腐蚀剂优选为石油磺酸钡、烷基琥珀酸或石油磺酸钙。所述防锈剂的含量为1wt％～3wt％，优选为1.2wt％～2.4wt％，更优选为1.8wt％～2.2wt％。所述抗氧剂为本领域技术人员熟知的，对此本申请没有特别的限制，具体的，所述抗氧剂优选选自胺类抗氧剂和有机酚类抗氧剂中的一种或多种，更优选为胺类抗氧剂，在实施例中，所述抗氧剂优选为苯基α萘胺、二辛基二苯胺、烷基二苯胺和2,6-二叔丁基酚中的一种或多种。所述抗氧剂的含量为0.5wt％～2.0wt％，优选为0.8wt％～1.6wt％，更优选为1.0wt％～1.4wt％。本申请所述基础油、增粘剂、稠化剂、防腐蚀剂、防锈剂与抗氧剂的来源没有特别的限制，可为市售产品。
本申请所述润滑脂组合物的制备方法按照本领域技术人员熟知的制备方法进行即可，对此本申请没有特别的限制。
本发明提供了一种润滑脂组合物，其包括55wt％～85wt％的基础油、0wt％～30wt％的增粘剂、8wt％～15wt％稠化剂、0.1wt％～1.0wt％的防腐蚀剂、1wt％～3wt％的防锈剂和0.5wt％～2.0wt％的抗氧剂。本申请提供的润滑脂组合物具有良好的润滑性，优异的高低温性能，-40℃下运转力矩小，粘附性好，在蜗杆轴，蜗轮、齿条、丝杆等非密闭部位不流失，降噪效果好，有利于提高座椅运行舒适性、平稳性，也可用于为其他机械提供阻尼、降噪、润滑的作用，从而具有良好的工业应用前景。
为了进一步理解本发明，下面结合实施例对本发明提供的润滑脂组合物进行详细说明，本发明的保护范围不受以下实施例的限制。
以下实施例中的原料均为市售产品。
实施例1
将84.5kg聚α-烯烃、2kg二苯基硅二醇、8.7kg硅胶、3kg乙丙共聚物、0.5kg苯基α萘胺、0.3kg苯骈三氮唑和1kg石油磺酸钡经成脂、降温加剂与碾磨，得到润滑脂组合物；
所述聚α-烯烃100℃运动粘度65～95mm2/s。
本发明对上述润滑脂组合物进行性能测试，结果见表1，表1为本发明实施例1～3制备的润滑脂组合物的性能测试结果数据表。
实施例2
将77.5kg聚α烯烃、5kg三羟甲基丙烷复酯、15kg聚异丁烯，10kg硅胶、0.5kg二辛基二苯胺、1.5kg烷基琥珀酸、0.5kg 2,5-二巯基-1,3,4-噻二唑衍生物经成脂、降温加剂与碾磨，得润滑脂组合物；
所述聚α烯烃100℃下的运动粘度为30～70mm2/s，三羟甲基丙烷复酯100℃下的运动粘度为3～25mm2/s。
本发明对上述润滑脂组合物进行性能测试，结果见表1。
实施例3
将84.2kg聚α烯烃、1kg聚甲基丙烯酸酯、12kg硅胶、1kg石油磺酸钙、0.5kg烷基二苯胺、0.3kg苯骈三氮唑、0.5kg 2,6-二叔丁基酚经成脂、降温加剂与碾磨，得到润滑脂组合物；
所述聚α烯烃100℃下的运动粘度为90～130mm2/s。
本发明对上述润滑脂组合物进行性能测试，结果见表1。
表1本发明实施例1～3制备的润滑脂组合物的性能测试结果数据表
以上实施例的说明只是用于帮助理解本发明的方法及其核心思想。应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以对本发明进行若干改进和修饰，这些改进和修饰也落入本发明权利要求的保护范围内。
对所公开的实施例的上述说明，使本领域专业技术人员能够实现或使用本发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下，在其它实施例中实现。因此，本发明将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。

Claims (10)

1.一种润滑脂组合物，包括：
2.根据权利要求1所述的润滑脂组合物，其特征在于，所述基础油为烃类油和酯类油中的一种或多种。
3.根据权利要求1所述的润滑脂组合物，其特征在于，所述增粘剂选自聚异丁烯、乙丙共聚物和聚甲基丙烯酸酯中的一种或多种。
4.根据权利要求1所述的润滑脂组合物，其特征在于，所述稠化剂为硅胶。
5.根据权利要求1所述的润滑脂组合物，其特征在于，所述防腐蚀剂选自苯三唑衍生物类和噻二唑衍生物中的一种或多种。
6.根据权利要求1所述的润滑脂组合物，其特征在于，所述防锈剂选自金属磺酸盐、脂肪胺和烷基琥珀酸衍生物中的一种或多种。
7.根据权利要求1所述的润滑脂组合物，其特征在于，所述抗氧剂选自有机酚类和胺类化合物中的一种或多种。
8.根据权利要求1所述的润滑脂组合物，其特征在于，所述增粘剂的含量为5～22wt％。
9.根据权利要求1所述的润滑脂组合物，其特征在于，所述稠化剂的含量为8.5～13wt％。
10.根据权利要求1所述的润滑脂组合物，其特征在于，所述基础油的含量为62wt％～80wt％。
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