CN107779238A - 一种耐高温抗氧化润滑脂添加剂及其制备方法 - Google Patents

一种耐高温抗氧化润滑脂添加剂及其制备方法 Download PDF

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CN107779238A
CN107779238A CN201610735807.9A CN201610735807A CN107779238A CN 107779238 A CN107779238 A CN 107779238A CN 201610735807 A CN201610735807 A CN 201610735807A CN 107779238 A CN107779238 A CN 107779238A
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孙福伟
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Abstract

本发明涉及润滑脂技术领域,具体公开了一种耐高温抗氧化润滑脂添加剂及其制备方法,所述润滑脂添加剂包括以下重量百分比的组分:基础油60‑80%;甲基苯三唑铜型添加剂0.5‑1%;高分子酯型添加剂8‑10%;磷化物类添加剂2‑8%;聚四氟乙烯润滑颗粒添加剂10‑20%;高温抗氧化添加剂6‑8%。所述润滑脂添加剂的制备方法:在反应釜中加入基础油,升温后加入聚四氟乙烯润滑颗粒添加剂,搅拌,继续升温,恒温至聚四氟乙烯润滑颗粒添加剂全部溶解,然后降温,加入甲基苯三唑铜型添加剂、高分子酯型添加剂、磷化物类添加剂、以及高温抗氧化添加剂,搅拌直到完全溶解,然后冷却、过滤,即得。本发明的耐高温抗氧化润滑脂添加剂具有极高的高温承受能力及抗氧化能力。

Description

一种耐高温抗氧化润滑脂添加剂及其制备方法
技术领域
本发明涉及一种润滑脂技术领域,特别涉及一种耐高温抗氧化润滑脂添加剂及其制备方法。
背景技术
润滑脂是增稠剂在润滑液体中的胶体分散物,它通常是将两组分一起加热直至增稠剂膨胀并与油吸附在一起而形成。由于润滑脂具有低的摩擦系数、易于控制、长时间的使用寿命和低廉的成本,使其在特定领域是优先作为润滑剂使用的。然而,传统的润滑脂一般使用在-30℃-220℃的温度下,随着航天器、涡轮机、汽车、农用机械、铁路器械和工业机器等的快速发展,越来越迫切需要润滑脂能够胜任在高负荷、高速度和高温度下使用。于是研制出能够在高温,例如220-280℃,或280-300℃的更高温度下充分润滑的润滑脂变得越来越重要。为了解决这些问题,便引入了润滑脂添加剂,添加剂的作用是提高基础油已有的性能和增加新的性能。润滑添加剂,指加入润滑剂中的一种或几种化合物,以使润滑剂得到某种新的特性或改善润滑剂中已有的一些特性。许多高温下使用的润滑脂,例如复合钙基脂、复合铝基脂、复合锂基脂、聚脲脂和硅脂等被开发出来以满足高温需求。然而只有很少的高温润滑添加剂特别是抗磨、极压添加剂被商业化,这些都限制了高温润滑脂的发展。
发明内容
有鉴于此,本发明提供一种耐高温抗氧化润滑脂添加剂及其制备方法。
本发明通过以下技术手段解决上述问题:
本发明的一个方案涉及一种耐高温抗氧化润滑脂添加剂,包括以下重量百分比的组分:
基础油60-80%;
甲基苯三唑铜型添加剂0.5-1%;
高分子酯型添加剂8-10%;
磷化物类添加剂2-8%;
聚四氟乙烯润滑颗粒添加剂10-20%;
高温抗氧化添加剂6-8%。
上述方案中:所述基础油包括以下重量比的成分:低粘度酯类基础油30-40%;中粘度酯类基础油30-40%。
上述方案中:所述低粘度酯类基础油选自温度60℃粘度250cst的季戊四醇酯、偏苯三酸酯和复酯中的一种或多种。
上述方案中:所述中粘度酯类基础油选自温度60℃粘度550cst的芳香酯和/或复酯。
上述方案中:所述高温抗氧化添加剂为烷基二苯胺、苯基α萘胺、硫胺中的一种或多种。
本发明的另一方案还涉及一种耐高温抗氧化润滑脂添加剂的制备方法,包括如下步骤:
在反应釜中加入60-80%重量份的基础油,升温至150℃时加入10-20%重量份的聚四氟乙烯润滑颗粒添加剂,搅拌,继续升温至250℃,恒温至聚四氟乙烯润滑颗粒添加剂全部溶解,然后降温至120℃,加入0.5-1%重量份的甲基苯三唑铜型添加剂,8-10%重量份的高分子酯型添加剂,2-8%重量份的磷化物类添加剂,以及6-8%重量份的高温抗氧化添加剂,搅拌直到完全溶解,然后冷却、过滤、炼制,即得。
上述方案中:所述基础油包括以下重量比的成分:低粘度酯类基础油30-40%;中粘度酯类基础油30-40%。
上述方案中:所述低粘度酯类基础油选自温度60℃粘度250cst的季戊四醇酯、偏苯三酸酯和复酯中的一种或多种。
上述方案中:所述中粘度酯类基础油选自温度60℃粘度550cst的芳香酯和/或复酯。
上述方案中:所述高温抗氧化添加剂为烷基二苯胺、苯基α萘胺、硫胺中的一种或多种。
由于采用了以上技术方案,本发明的有益效果是:本发明的一种耐高温抗氧化润滑脂添加剂及其制备方法,具有极高的高温承受能力及抗氧化能力,优良的润滑性和抗磨性,粘附性能好,易于形成油膜,使用寿命长,可以在高温环境使用。
具体实施方式
为了使本发明实施例的目的、技术方案和优点更加清楚,下面将结合本发明实施例对本发明实施例中的技术方案进行清楚地描述。
实施例1
在反应釜中加入60kg的基础油,升温至150℃时加入10kg的聚四氟乙烯润滑颗粒添加剂,搅拌,继续升温至250℃,恒温至聚四氟乙烯润滑颗粒添加剂全部溶解,然后降温至120℃,加入0.5kg的甲基苯三唑铜型添加剂,8kg的高分子酯型添加剂,2kg的磷化物类添加剂,以及6kg的高温抗氧化添加剂,搅拌直到完全溶解,然后冷却、过滤、炼制,即得。
其中,所述基础油包括低粘度酯类基础油30kg、中粘度酯类基础油30kg。
其中,所述低粘度酯类基础油选自温度60℃粘度250cst的季戊四醇酯、偏苯三酸酯和复酯中的一种或多种。
其中,所述中粘度酯类基础油选自温度60℃粘度550cst的芳香酯和/或复酯。
其中,所述高温抗氧化添加剂为烷基二苯胺、苯基α萘胺、硫胺中的一种或多种。
实施例2
在反应釜中加入70kg的基础油,升温至150℃时加入15kg的聚四氟乙烯润滑颗粒添加剂,搅拌,继续升温至250℃,恒温至聚四氟乙烯润滑颗粒添加剂全部溶解,然后降温至120℃,加入0.75kg的甲基苯三唑铜型添加剂,9kg的高分子酯型添加剂,5kg的磷化物类添加剂,以及7kg的高温抗氧化添加剂,搅拌直到完全溶解,然后冷却、过滤、炼制,即得。
其中,所述基础油包括低粘度酯类基础油35kg、中粘度酯类基础油35kg。
其中,所述低粘度酯类基础油选自温度60℃粘度250cst的季戊四醇酯、偏苯三酸酯和复酯中的一种或多种。
其中,所述中粘度酯类基础油选自温度60℃粘度550cst的芳香酯和/或复酯。
其中,所述高温抗氧化添加剂为烷基二苯胺、苯基α萘胺、硫胺中的一种或多种。
实施例3
在反应釜中加入80kg的基础油,升温至150℃时加入20kg的聚四氟乙烯润滑颗粒添加剂,搅拌,继续升温至250℃,恒温至聚四氟乙烯润滑颗粒添加剂全部溶解,然后降温至120℃,加入1kg的甲基苯三唑铜型添加剂,10kg的高分子酯型添加剂,8kg的磷化物类添加剂,以及8kg的高温抗氧化添加剂,搅拌直到完全溶解,然后冷却、过滤、炼制,即得。
其中,所述基础油包括低粘度酯类基础油40kg、中粘度酯类基础油40kg。
其中,所述低粘度酯类基础油选自温度60℃粘度250cst的季戊四醇酯、偏苯三酸酯和复酯中的一种或多种。
其中,所述中粘度酯类基础油选自温度60℃粘度550cst的芳香酯和/或复酯。
其中,所述高温抗氧化添加剂为烷基二苯胺、苯基α萘胺、硫胺中的一种或多种。
本发明的一种耐高温抗氧化润滑脂添加剂及其制备方法,具有极高的高温承受能力及抗氧化能力,优良的润滑性和抗磨性,粘附性能好,易于形成油膜,使用寿命长,可以在高温环境使用。
尽管本发明已做了详尽的说明并引证了一些最优具体试验例,但对于本领域的技术人员,显然可以按照上述说明做出多种修改、改动或替代方案,显然的替代方案都应包括在权利要求的保护范围之内。

Claims (10)

1.一种耐高温抗氧化润滑脂添加剂,其特征在于:包括以下重量百分比的组分:
基础油60-80%;
甲基苯三唑铜型添加剂0.5-1%;
高分子酯型添加剂8-10%;
磷化物类添加剂2-8%;
聚四氟乙烯润滑颗粒添加剂10-20%;
高温抗氧化添加剂6-8%。
2.根据权利要求1所述的耐高温抗氧化润滑脂添加剂,其特征在于:所述基础油包括以下重量比的成分:低粘度酯类基础油30-40%;中粘度酯类基础油30-40%。
3.根据权利要求2所述的耐高温抗氧化润滑脂添加剂,其特征在于:所述低粘度酯类基础油选自温度60℃粘度250cst的季戊四醇酯、偏苯三酸酯和复酯中的一种或多种。
4.根据权利要求2所述的耐高温抗氧化润滑脂添加剂,其特征在于:所述中粘度酯类基础油选自温度60℃粘度550cst的芳香酯和/或复酯。
5.根据权利要求1所述的耐高温抗氧化润滑脂添加剂,其特征在于:所述高温抗氧化添加剂为烷基二苯胺、苯基α萘胺、硫胺中的一种或多种。
6.一种制备权利要求1至5中的任一种耐高温抗氧化润滑脂添加剂的方法,其特征在于:包括如下步骤:
在反应釜中加入60-80%重量份的基础油,升温至150℃时加入10-20%重量份的聚四氟乙烯润滑颗粒添加剂,搅拌,继续升温至250℃,恒温至聚四氟乙烯润滑颗粒添加剂全部溶解,然后降温至120℃,加入0.5-1%重量份的甲基苯三唑铜型添加剂,8-10%重量份的高分子酯型添加剂,2-8%重量份的磷化物类添加剂,以及6-8%重量份的高温抗氧化添加剂,搅拌直到完全溶解,然后冷却、过滤、炼制,即得。
7.根据权利要求6所述的方法,其特征在于:所述基础油包括以下重量比的成分:低粘度酯类基础油30-40%;中粘度酯类基础油30-40%。
8.根据权利要求7所述的方法,其特征在于:所述低粘度酯类基础油选自温度60℃粘度250cst的季戊四醇酯、偏苯三酸酯和复酯中的一种或多种。
9.根据权利要求7所述的方法,其特征在于:所述中粘度酯类基础油选自温度60℃粘度550cst的芳香酯和/或复酯。
10.根据权利要求6所述的方法,其特征在于:所述高温抗氧化添加剂为烷基二苯胺、苯基α萘胺、硫胺中的一种或多种。
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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101812356A (zh) * 2009-12-18 2010-08-25 益田润石(北京)化工有限公司 一种稠化型高温链条润滑剂组合物
CN103805317A (zh) * 2012-11-14 2014-05-21 无锡市飞天油脂有限公司 一种高温链条润滑脂

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101812356A (zh) * 2009-12-18 2010-08-25 益田润石(北京)化工有限公司 一种稠化型高温链条润滑剂组合物
CN103805317A (zh) * 2012-11-14 2014-05-21 无锡市飞天油脂有限公司 一种高温链条润滑脂

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