CN114436886A - 一种长链酰胺类化合物及其应用和复合润滑剂及制备方法 - Google Patents

一种长链酰胺类化合物及其应用和复合润滑剂及制备方法 Download PDF

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CN114436886A
CN114436886A CN202210034327.5A CN202210034327A CN114436886A CN 114436886 A CN114436886 A CN 114436886A CN 202210034327 A CN202210034327 A CN 202210034327A CN 114436886 A CN114436886 A CN 114436886A
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amide compound
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迟轮轮
蔡智奇
丁录元
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Yantai Xintelu New Material Technology Co ltd
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Abstract

本申请涉及润滑剂领域，具体公开了一种长链酰胺类化合物及其应用和复合润滑剂及制备方法。长链酰胺类化合物分子通式为
Figure DEST_PATH_IMAGE002AA
，其中R基团为苯环或芳香性杂环结构。其可以作为塑料助剂、润滑剂应用；一种复合润滑剂，包括摩尔比为1:0.2‑0.4的长链酰胺类化合物和硬脂酸甲酯。其具有高耐温性的优点；其制备方法将摩尔比为2.2‑2.4:1的硬脂酸甲酯和

Description

一种长链酰胺类化合物及其应用和复合润滑剂及制备方法
技术领域
本发明涉及润滑剂领域，尤其是涉及一种长链酰胺类化合物及其应用和复合润滑剂及制备方法。
背景技术
在塑料加工领域，由于加工自动化发展迅速，润滑剂的作用日益重要，外润滑剂可以在高速自动化的加工过程中减少塑料与机械之间的摩擦，内润滑剂可以减少塑料分子间的摩擦，提高流动性，进而提高加工效率，降低加工能耗。
现有的润滑剂多为酰胺类、烃类、硅氧烷类等有机润滑剂，其中酰胺类的润滑剂和大部分塑料融合效果好，应用领域较广，但是其耐温性较差，高温下塑料加工效果不佳。
针对上述中的相关技术，发明人认为酰胺类润滑剂的耐高温性需要加强。
发明内容
为了提高酰胺类润滑剂的耐温性，本申请提供一种长链酰胺类化合物及其应用和复合润滑剂及制备方法。
第一方面，本申请提供的一种长链酰胺类化合物采用如下的技术方案：
一种长链酰胺类化合物，其特征在于，分子通式为
Figure BDA0003467435090000011
Figure BDA0003467435090000012
其中R基团为苯环或芳香性杂环结构。
通过采用上述技术方案，上述结构的化合物可以作为酰胺类的润滑剂，长链烷烃和芳环结构具有较好的润滑和耐温性能。
优选的，其制备反应方程式为：
Figure BDA0003467435090000013
通过采用上述技术方案，硬脂酸甲酯和芳环取代二甲胺反应，原料易得，工艺简单，无需催化剂，反应环保，副产物少。
优选的，所述分子式为
Figure BDA0003467435090000021
第二方面，本申请提供一种长链酰胺类化合物的应用，采用如下的技术方案：
上述一种长链酰胺类化合物作为塑料助剂、润滑剂的应用。
通过采用上述技术方案，上述长链酰胺类化合物具有良好的润滑性能和耐温性。
第三方面，本申请提供一种复合润滑剂的制备方法，采用如下的技术方案：
一种复合润滑剂，包括上述一种长链酰胺类化合物和硬脂酸甲酯，长链酰胺类化合物和硬脂酸甲酯的摩尔比为1:0.2-0.4。
通过采用上述技术方案，硬脂酸甲酯可以作为反应物，剩余部分直接作为复合润滑剂的其他组分，具有良好的润滑性能。
优选的，还包括石蜡油、硬脂酸钙、硬脂酸镁，各组分按重量份配比为长链酰胺类化合物1.8-2.3份、石蜡油1.1-1.6份、硬脂酸镁0-1.1份、硬脂酸钙0-1.2份。
通过采用上述技术方案，石蜡油等组分的复配，可以提高润滑性能，得到的产品具有良好的内润滑性和外润滑性。
第四方面，本申请提供一种复合润滑剂的制备方法，采用如下的技术方案：
一种复合润滑剂的制备方法，将
Figure BDA0003467435090000022
和硬脂酸甲酯加入反应器中反应，硬脂酸甲酯与
Figure BDA0003467435090000023
的摩尔比为2.2-2.4:1。
通过采用上述技术方案，反应便捷，直接将反应物中硬脂酸甲酯过量配制，得到的终产物中具有过量反应物作为复配组分，操作简便，同时产品不同组分混合均匀，可以实现良好的润滑效果。
优选的，将反应后的产物加入到冷却水中，边倒入边搅拌，冷却结晶，抽滤干燥得到产品。
通过采用上述技术方案，将反应后的产物直接冷却结晶，无需分离，一步得到产品，步骤简单。
优选的，所述反应时间为4-5h，反应温度为120-140℃，在反应器中搅拌反应。
通过采用上述技术方案，上述反应参数可以保证反应速率和反应效果。
综上所述，本申请具有以下有益效果：
1、本申请化合物可以作为酰胺类的润滑剂，长链烷烃和芳环结构具有较好的润滑和耐温性能。
2、硬脂酸甲酯可以作为反应物，剩余部分直接作为复合润滑剂的其他组分，具有良好的润滑性能。
3、石蜡油等组分的复配，可以提高润滑性能，得到的产品具有良好的内润滑性和外润滑性。
具体实施方式
以下结合实施例对本申请作进一步详细说明。
原料均由市售得到，硬脂酸甲酯采购自国化化学。
石蜡油为5号石蜡油，采购自山东铭发化工。
实施例
实施例1
一种复合润滑剂，由以下步骤制得：将0.44mol对苯二甲胺和0.2mol硬脂酸甲酯加入到三口烧瓶当中，反应温度为120℃，硬脂酸甲酯跟间苯二甲胺的摩尔比为2.2:1，反应5h即得到产物和未反应完全的硬脂酸甲酯的混合物。反应方程式为
Figure BDA0003467435090000031
将反应后的物质倒入冷却水中冷却结晶，抽滤干燥后得到润滑剂产品。
实施例2
一种复合润滑剂，与实施例1的区别在于，对苯二甲胺为0.48mol。
实施例3
一种复合润滑剂，与实施例1的区别在于，对苯二甲胺为0.46mol。
实施例4
一种复合润滑剂，与实施例1的区别在于，采用了
Figure BDA0003467435090000041
代替对苯二甲胺。
实施例5
一种复合润滑剂，与实施例1的区别在于，采用了代替
Figure BDA0003467435090000042
对苯二甲胺。
实施例6
一种长链酰胺类化合物，与实施例1的制备方法区别在于，对苯二甲胺为0.4mol，反应后测得没有剩余反应物。
实施例7
一种复合润滑剂，与实施例1的区别在于，在三口烧瓶反应4h后，向其中加入60g石蜡油、40g硬脂酸钙、60g硬脂酸镁，继续持续反应1h后进行冷却结晶，抽滤干燥的后处理步骤得到产品。
实施例8
一种复合润滑剂，与实施例7的区别在于，硬脂酸镁为40g，石蜡油为62g，不添加硬脂酸钙。
实施例9
一种复合润滑剂，与实施例7的区别在于，硬脂酸钙为40g，石蜡油为62g，不添加硬脂酸镁。
对比例
对比例1
购自江西东远的EBS润滑剂，品名为乙撑双硬脂酸酰胺。
对比例2
采购自江西东远的润滑剂EBL，品名为乙撑双月桂酸酰胺。
性能检测试验
将各实施例和对比例的润滑剂按每0.5-1.5phr的用量掺入PVC中，用混炼型期化仪进行测试，试验条件：温度190℃、转速60r/min、加料量30g；用混炼型期化仪进行测试，测试结构录入表1。润滑剂润滑性能可以根据抗混练力矩最大值M1、恒定值M2和熔融时间t来评价。
将本申请中各实施例和对比例中得到的润滑剂进行TGA热分解温度检测以表征耐热性。将数值记录在表2中。
表1
Figure BDA0003467435090000051
表2
实施例 TGA热分解温度/℃
实施例1 395
实施例2 393
实施例3 394
实施例4 389
实施例5 391
实施例6 395
实施例7 394
实施例8 395
实施例9 394
对比例1 323
对比例2 345
结合实施例1-9和对比例1-2并结合表1、表2可以看出，本申请中得到的一种长链酰胺类化合物的热分解温度较高，且具有较好的润滑性能，可以作为耐高温的润滑剂，同时与其他组分复配得到的复合润滑剂，润滑性能和耐温性均较为优越。
结合实施例1、实施例4-5并结合表1、表2可以看出，不同的芳环结构均可以得到耐温性和润滑性较好的产物，但是苯环结构的耐温性最好。
结合实施例1、6并结合表1、表2可以看出，未反应完全的硬脂酸甲酯可以增强复合润滑剂的润滑性能，同时对于耐温性影响不大。
结合实施例1、实施例7-9并结合表1、表2可以看出，添加复配成分的复合润滑剂润滑性能较好，同时由于硬脂酸钙和硬脂酸镁较便宜，缺少组分可能导致成本的上升。
本具体实施例仅仅是对本申请的解释，其并不是对本申请的限制，本领域技术人员在阅读完本说明书后可以根据需要对本实施例做出没有创造性贡献的修改，但只要在本申请的权利要求范围内都受到专利法的保护。

Claims (9)

1.一种长链酰胺类化合物，其特征在于，分子通式为
Figure FDA0003467435080000011
其中R基团为苯环或芳香性杂环结构。
2.一种长链酰胺类化合物，其特征在于：其制备反应方程式为：
Figure FDA0003467435080000012
3.根据权利要求1所述的一种长链酰胺类化合物，其特征在于：所述分子式为
Figure FDA0003467435080000013
4.如权利要求1-3任一项所述的一种长链酰胺类化合物作为塑料助剂、润滑剂的应用。
5.一种复合润滑剂，其特征在于：包括权利要求1所述的一种长链酰胺类化合物和硬脂酸甲酯，长链酰胺类化合物和硬脂酸甲酯的摩尔比为1:0.2-0.4。
6.根据权利要求5所述的一种复合润滑剂，其特征在于：还包括石蜡油、硬脂酸钙、硬脂酸镁，各组分按重量份配比为长链酰胺类化合物1.8-2.3份、石蜡油1.1-1.6份、硬脂酸镁0-1.1份、硬脂酸钙0-1.2份。
7.如权利要求5-6任一项所述的一种复合润滑剂的制备方法，其特征在于：将
Figure FDA0003467435080000014
和硬脂酸甲酯加入反应器中反应，硬脂酸甲酯与
Figure FDA0003467435080000021
的摩尔比为2.2-2.4:1。
8.根据权利要求7所述的一种复合润滑剂的制备方法，其特征在于：将反应后的产物加入到冷却水中，边倒入边搅拌，冷却结晶，抽滤干燥得到产品。
9.根据权利要求7所述的一种复合润滑剂的制备方法，其特征在于：所述反应时间为4-5h，反应温度为120-140℃，在反应器中搅拌反应。
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CN108026361A (zh) * 2015-09-11 2018-05-11 三菱工程塑料株式会社 聚酯系树脂组合物和其制造方法
CN111440600A (zh) * 2020-03-31 2020-07-24 安徽中科日升科技有限公司 一种钻井液用润滑抑制剂及制备方法
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* Cited by examiner, † Cited by third party
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GB808596A (en) * 1956-02-24 1959-02-04 California Research Corp High temperature greases stabilized against oxidation
CN101688137A (zh) * 2007-03-28 2010-03-31 雅宝公司 脂肪酸甲酯(生物柴油)的抗氧化剂混合物
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