CN110041986A - 冷镦油组合物及其制备方法 - Google Patents

冷镦油组合物及其制备方法 Download PDF

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CN110041986A
CN110041986A CN201910415847.9A CN201910415847A CN110041986A CN 110041986 A CN110041986 A CN 110041986A CN 201910415847 A CN201910415847 A CN 201910415847A CN 110041986 A CN110041986 A CN 110041986A
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fluid composition
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extreme pressure
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戴志荣
平芸莉
戴荣芳
韩冬辉
王桂东
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Shanghai Cherry Blossom Chemical Technology Co Ltd
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Abstract

本发明提供了一种冷镦油组合物，其包括按重量份数计的如下组分：环烷烃基础油：50～60份；极压剂：25～35份；油性剂：5～10份；抗泡剂：0.01～0.1份；抗氧化剂：0.05～0.08份；金属减活剂：0.05～0.1份；防锈剂：0.5～1份；粘度指数改性剂：0.5～2份；清净剂：0.5～1份；表面活性剂：0.5～2份。与现有技术相比，本发明具有如下的有益效果：1、极佳的润滑性，适合不锈钢等难加工材料和各种高精密度要求的产品，模具使用吧寿命长；2、良好的稳定性和氧化安定性，长时间使用；3、具有良好的清洗性，方便后道清洗，减少化学清洗剂用量；4、良好的防锈性，保证工序间的防锈。

Description

冷镦油组合物及其制备方法
技术领域
本发明涉及一种冷镦油组合物及其制备方法，属于工业金属加工液技术领域。
背景技术
冷镦是精密塑性体成形技术中的一个重要组成部分，其是在冷态下将金属毛坯放入模具模腔内，在强大的压力和一定的速度作用下，迫使金属从模腔中挤出，从而获得具有所需形状、尺寸以及一定力学性能的挤压件。
冷镦技术作为一种高精、高效、优质低耗的先进生产工艺技术，较多应用于中小型锻件规模化生产中。与热镦、温镦工艺相比，冷镦可以节材30～50％，节能40～80％，而且能够提高锻件质量，改善作业环境。
随着冶金、汽车、轮船、航天等科技的发展，需要成型加工的金属零部件越来越多、越来越大，要求的精度和负荷也越来越高，对冷镦油的润滑、极压、清洗、防锈等性能要求也越来越高，而且对环保的要求也越来越严格。
目前国内的冷镦厂的用油大部分是氯化石蜡或是花生油。氯化石蜡虽然价格便宜，成本低，但其不环保危害环境，且容易分解腐蚀工件和设备，难清洗；而花生油成本相对氯化石蜡较高，但花生油中的植物油脂肪烃不饱和度很高，使用过程中高温氧化后容易结焦、产生漆袍难清洗。
发明内容
针对现有技术中的缺陷，本发明的目的是提供一种冷镦油组合物及其制备方法。
本发明是通过以下技术方案实现的：
一种冷镦油组合物，其包括按重量份数计的如下组分：
作为优选方案，所述极压剂为硫化动植物油和/或硼氮型极压剂。其中，硫化动植物油极性强，物理吸附膜强度高；硼氮型极压剂具有低气味、优良的抗磨性能和防锈性能。
作为优选方案，所述硼氮型极压剂的制备方法为：
将月桂酸与羟乙基乙二胺在160～170℃下进行反应，得到月桂酸咪唑啉；
将所述月桂酸咪唑啉和硼酸以1.5:1的摩尔比混匀后，在125～140℃下进行反应，得到月桂酸咪唑啉硼酸酯，即所述硼氮型极压剂。
作为优选方案，所述环烷烃基础油的粘度为46～100mm2/s，倾点小于-25℃。
作为优选方案，所述防锈剂为磺酸钡和/或脂肪酸镁。
作为优选方案，所述抗泡剂为甲基硅油。
作为优选方案，所述黏度指数改进剂选自聚甲基丙烯酸酯、乙烯-丙烯共聚物、氢化苯乙烯-异戊二烯共聚物中的至少一种。具有增粘能力强，抗剪切性能和热氧化性能好的特点。
作为优选方案，所述清净剂为碱值不低于400mgKOH/g的磺酸盐。该碱值下的磺酸盐可有效降低酸值，避免对模具的腐蚀，保持工作环境的干净。
作为优选方案，所述表面活性剂为脂肪酸醇醚。该表面活性剂可提高渗透性和后道易清洗性。
一种如前述的冷镦油组合物的制备方法，其包括如下步骤：
将环烷烃基础油加热至60℃后，依次加入抗氧化剂、金属减活剂、粘度指数改进剂、极压剂、油性剂、防锈剂、清净剂、表面活性剂和抗泡剂，搅拌至透明澄清状，即可。
与现有技术相比，本发明具有如下的有益效果：
1、极佳的润滑性，适合不锈钢等难加工材料和各种高精密度要求的产品，模具使用吧寿命长；
2、良好的稳定性和氧化安定性，长时间使用；
3、具有良好的清洗性，方便后道清洗，减少化学清洗剂用量；
4、良好的防锈性，保证工序间的防锈。
具体实施方式
下面结合具体实施例对本发明进行详细说明。以下实施例将有助于本领域的技术人员进一步理解本发明，但不以任何形式限制本发明。应当指出的是，对本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进。这些都属于本发明的保护范围。
本发明中所用的硼氮型极压剂的制备方法为：
将月桂酸与羟乙基乙二胺在160～170℃下进行反应，得到月桂酸咪唑啉；
将所述月桂酸咪唑啉和硼酸以1.5:1的摩尔比混匀后，在125～140℃下进行反应，得到月桂酸咪唑啉硼酸酯，即所述硼氮型极压剂。
实施例1
本实施例提供了一种冷镦油组合物的制备方法，包括如下步骤：
一、按照如下配比配料：
二、将46#环烷烃基础油加热至60℃后，依次加入抗氧剂T501、噻二唑衍生物、氢化苯乙烯-异戊二烯共聚物、硼氮极压剂、硫化动物油、三羟甲基丙烷油酸酯、石油磺酸钡、高碱值磺酸钙、壬基酚聚氧乙烯醚和甲基硅油，搅拌至透明澄清状，即可。
实施例2
本实施例提供了一种冷镦油组合物的制备方法，包括如下步骤：
一、按照如下配比配料：
二、将46#环烷烃基础油加热至60℃后，依次加入抗氧剂T501、噻二唑衍生物、氢化苯乙烯-异戊二烯共聚物、硼氮极压剂、硫化植物油、季戊四醇油酸酯、石油磺酸钡、高碱值磺酸钙、壬基酚聚氧乙烯醚和甲基硅油，搅拌至透明澄清状，即可。
实施例3
本实施例提供了一种冷镦油组合物的制备方法，包括如下步骤：
一、按照如下配比配料：
二、将46#环烷烃基础油加热至60℃后，依次加入抗氧剂T501、噻二唑衍生物、氢化苯乙烯-异戊二烯共聚物、硼氮极压剂、硫化烯烃、油酸异辛酯、石油磺酸钡、高碱值磺酸钙、壬基酚聚氧乙烯醚和甲基硅油，搅拌至透明澄清状，即可。
对比例1
本实施例提供了一种冷镦油组合物的制备方法，与实施例1的区别仅在于，未添加硼氮极压剂，具体原料配比为：
对比例2
本实施例提供了一种冷镦油组合物的制备方法，与实施例2的区别仅在于，没有添加硼氮极压剂，具体原料配比为：
对比例3
本实施例提供了一种冷镦油组合物的制备方法，与实施例1的区别仅在于，没有添加硼氮极压剂和表面活性剂，具体原料配比为：
对实施例1～3以及对比例1～3得到的冷镦油组合物的性能进行测试，结果如表1所示。
表1
附：除油率测试方法，用70℃热水，超声波清洗5分钟，记录钢板清洗前后的油污残留，计算除油率。
以上对本发明的具体实施例进行了描述。需要理解的是，本发明并不局限于上述特定实施方式，本领域技术人员可以在权利要求的范围内做出各种变形或修改，这并不影响本发明的实质内容。

Claims (9)

1.一种冷镦油组合物，其特征在于，包括按重量份数计的如下组分：
2.如权利要求1所述的冷镦油组合物，其特征在于，所述极压剂为硫化动植物油和/或硼氮型极压剂。
3.如权利要求2所述的冷镦油组合物，其特征在于，所述硼氮型极压剂的制备方法为：
将月桂酸与羟乙基乙二胺在160～170℃下进行反应，得到月桂酸咪唑啉；
将所述月桂酸咪唑啉和硼酸以1.5:1的摩尔比混匀后，在125～140℃下进行反应，得到月桂酸咪唑啉硼酸酯，即所述硼氮型极压剂。
4.如权利要求1所述的冷镦油组合物，其特征在于，所述环烷烃基础油的粘度为46～100mm2/s，倾点小于-25℃。
5.如权利要求1所述的冷镦油组合物，其特征在于，所述防锈剂为磺酸钡和/或脂肪酸镁。
6.如权利要求1所述的冷镦油组合物，其特征在于，所述粘度指数改性剂选自聚甲基丙烯酸酯、乙烯-丙烯共聚物、氢化苯乙烯-异戊二烯共聚物的至少一种。
7.如权利要求1所述的冷镦油组合物，其特征在于，所述清净剂为碱值不低于400mgKOH/g的磺酸盐。
8.如权利要求1所述的冷镦油组合物，其特征在于，所述表面活性剂为脂肪酸醇醚。
9.一种如权利要求1～8中任意一项所述的冷镦油组合物的制备方法，其特征在于，包括如下步骤：
将环烷烃基础油加热至60℃后，依次加入抗氧化剂、金属减活剂、粘度指数改进剂、极压剂、油性剂、防锈剂、清净剂、表面活性剂和抗泡剂，搅拌至透明澄清状，即可。
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