CN106118842A - 一种抗菌易成膜水基纳米二硫化钨等温模锻润滑剂及其制备方法 - Google Patents

一种抗菌易成膜水基纳米二硫化钨等温模锻润滑剂及其制备方法 Download PDF

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CN106118842A
CN106118842A CN201610530996.6A CN201610530996A CN106118842A CN 106118842 A CN106118842 A CN 106118842A CN 201610530996 A CN201610530996 A CN 201610530996A CN 106118842 A CN106118842 A CN 106118842A
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tungsten disulfide
water
forging process
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梁大伟
梁华杰
赵春梅
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Hefei Chunhua Hoisting Machinery Co Ltd
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Abstract

本发明公开了一种抗菌易成膜水基纳米二硫化钨等温模锻润滑剂，由下列重量份的原料制成：聚α烯烃PAO67.4‑7.6、硅烷偶联剂kh5600.2‑0.25、纳米二硫化钨8.2‑8.4、纳米碳球0.8‑1、纳米膨润土0.8‑1、Span‑801‑1.2、丙烯酸丁酯0.4‑0.5、丙烯酸甲酯0.6‑0.8、过硫酸铵0.1‑0.2、葫芦脲1.3‑1.5、纳米二氧化硅0.3‑0.4、纳米银0.3‑0.4、含氮硼酸酯0.7‑0.8、单硬脂酸甘油酯0.5‑0.6、余量为水。本发明润滑液通过使用葫芦脲，成膜性大大提高，润滑性提高；通过配合使用纳米二氧化硅、纳米银、含氮硼酸酯，提高了减摩抗磨性能和抗菌性能。

Description

一种抗菌易成膜水基纳米二硫化钨等温模锻润滑剂及其制备 方法
技术领域
本发明涉及铝型材锻造润滑液技术领域，尤其涉及一种抗菌易成膜水基纳米二硫化钨等温模锻润滑剂及其制备方法。
背景技术
等温模锻是在使模具和工件保持等温的情况下以较慢的成形速度来实现模锻成形的方法，由于工件在高温下以较低的应变速率变形，变形材料能够充分再结晶，从而可以克服加工硬化的影响，因此，非常适于成形加工结构复杂、强度高的零件。在模锻成形过程中，摩擦会阻碍金属流动，使锻压载荷升高，消耗变形能，导致工件组织不均匀，模膛充型不满，并降低模具使用寿命，所以，必须使用润滑剂。目前，市场上针对热模锻的润滑剂类型单一，主要为石墨系润滑剂。石墨具有良好的高温润滑性能，但石墨是热的良导体，其隔热保温性能较差，而且石墨在金属表面的附着性能较差，这些都制约着石墨润滑剂在等温模锻中的应用。WS2(二硫化钨)是一种结构类似于石墨的层片状固体润滑料，具有优良的耐高温、抗极压性能，对金属表面的吸附能力良好，而且热导率较低。WS2 最早被应用于美国水手号太空飞船关键部位的润滑，笔者近年来将其用于制备高温极压润滑脂、节能型发动机润滑油，取得了良好的应用效果。《水基纳米WS2 等温模锻润滑剂的制备与应用》制备了一种适于等温模锻的水基纳米WS2 润滑剂，并将其应用于高强铝合金的等温模锻工艺中，获得的水基纳米WS2 润滑剂在高温模具表面成膜致密，颗粒分布均匀，模锻时所需锻压力较低，脱模时所需脱模力较低，且无黏模、飞边和裂纹现象，综合应用效果优于水基石墨润滑剂和油基石墨润滑剂。
但是该润滑剂存在对金属的结合力较差，容易使金属表面裸露，容易挤伤铝型材，悬浮性差，易产生沉淀，摩擦系数较高，成膜速度较慢等问题，还有耐热性、平整性、抗菌性需要提高，而且对金属的表面保护性能也需要改进。
发明内容
本发明目的就是为了弥补已有技术的缺陷，提供一种抗菌易成膜水基纳米二硫化钨等温模锻润滑剂及其制备方法。
本发明是通过以下技术方案实现的：
一种抗菌易成膜水基纳米二硫化钨等温模锻润滑剂，由下列重量份的原料制成：聚α烯烃PAO67.4-7.6、硅烷偶联剂kh5600.2-0.25、纳米二硫化钨8.2-8.4、纳米碳球0.8-1、纳米膨润土0.8-1、Span-801-1.2、丙烯酸丁酯0.4-0.5、丙烯酸甲酯0.6-0.8、过硫酸铵0.1-0.2、葫芦脲1.3-1.5、纳米二氧化硅0.3-0.4、纳米银0.3-0.4、含氮硼酸酯0.7-0.8、单硬脂酸甘油酯0.5-0.6、余量为水，原料总质量为100。
所述的抗菌易成膜水基纳米二硫化钨等温模锻润滑剂的制备方法，包括以下步骤：
（1）将硅烷偶联剂kh560溶于水，搅拌均匀，加入纳米二硫化钨、葫芦脲、纳米银，超声搅拌均匀，再加入纳米碳球，超声搅拌均匀，得到混合物料；
（2）将聚α烯烃PAO与纳米膨润土混合，加入Span-80，搅拌均匀，得到混合物料；
（3）将第（1）步和第（2）步得到的物料混合，搅拌均匀，加入丙烯酸丁酯、丙烯酸甲酯，加热至67-72℃，搅拌反应30-40分钟，再加入其他剩余成分，继续搅拌反应20-30分钟，即得。
本发明的优点是：本发明润滑液通过使用纳米膨润土和丙烯酸酯，提高了润滑液的悬浮性，72小时无结块浑浊沉淀现象，提高了与金属的附着性能，减少孔隙，防止挤伤工件，通过使用纳米碳球，减少二硫化钨与金属反应，提高了润滑持久性；通过使用葫芦脲，能够促进润滑剂，特别是纳米二硫化钨快速吸附在磨损表面形成物理吸附膜，成膜性大大提高，润滑性提高；通过配合使用纳米二氧化硅、纳米银、含氮硼酸酯，提高了减摩抗磨性能和抗菌性能。
具体实施方式
一种抗菌易成膜水基纳米二硫化钨等温模锻润滑剂，由下列重量份（公斤）的原料制成：聚α烯烃PAO67.4、硅烷偶联剂kh5600.2、纳米二硫化钨8.2、纳米碳球0.8、纳米膨润土0.8、Span80 1、丙烯酸丁酯0.4、丙烯酸甲酯0.6、过硫酸铵0.1、葫芦脲1.3、纳米二氧化硅0.3、纳米银0.3、含氮硼酸酯0.7、单硬脂酸甘油酯0.5、余量为水，原料总质量为100。
所述的抗菌易成膜水基纳米二硫化钨等温模锻润滑剂的制备方法，包括以下步骤：
（1）将硅烷偶联剂kh560溶于水，搅拌均匀，加入纳米二硫化钨、葫芦脲、纳米银，超声搅拌均匀，再加入纳米碳球，超声搅拌均匀，得到混合物料；
（2）将聚α烯烃PAO与纳米膨润土混合，加入Span，搅拌均匀，得到混合物料；
（3）将第（1）步和第（2）步得到的物料混合，搅拌均匀，加入丙烯酸丁酯、丙烯酸甲酯，加热至67℃，搅拌反应30分钟，再加入其他剩余成分，继续搅拌反应20分钟，即得。
实验数据：
在铝型材上喷涂后观察，无气泡，成膜致密，颗粒分布均匀，无开裂，表面光洁，粘结牢靠，颗粒致密，在铝型材表面连成皮，且铝型材无锈蚀，极易清理，用冷水即可清理；
摩擦系数为0.055，在相同锻压速度下，使用水基纳米WS2 润滑剂的锻压力比水基石墨、油基石墨的锻压力要低1.4×104 N，脱模时所需脱模力较低，且无黏模、飞边和裂纹现象；
悬浮性试验：24h悬浮性达到了100%，72h后无沉淀、分块和分层界限等现象产生。

Claims (2)

1.一种抗菌易成膜水基纳米二硫化钨等温模锻润滑剂，其特征在于由下列重量份的原料制成：聚α烯烃PAO67.4-7.6、硅烷偶联剂kh5600.2-0.25、纳米二硫化钨8.2-8.4、纳米碳球0.8-1、纳米膨润土0.8-1、Span-801-1.2、丙烯酸丁酯0.4-0.5、丙烯酸甲酯0.6-0.8、过硫酸铵0.1-0.2、葫芦脲1.3-1.5、纳米二氧化硅0.3-0.4、纳米银0.3-0.4、含氮硼酸酯0.7-0.8、单硬脂酸甘油酯0.5-0.6、余量为水，原料总质量为100。
2.根据权利要求1所述的抗菌易成膜水基纳米二硫化钨等温模锻润滑剂的制备方法，其特征在于包括以下步骤：
（1）将硅烷偶联剂kh560溶于水，搅拌均匀，加入纳米二硫化钨、葫芦脲、纳米银，超声搅拌均匀，再加入纳米碳球，超声搅拌均匀，得到混合物料；
（2）将聚α烯烃PAO与纳米膨润土混合，加入Span-80，搅拌均匀，得到混合物料；
（3）将第（1）步和第（2）步得到的物料混合，搅拌均匀，加入丙烯酸丁酯、丙烯酸甲酯，加热至67-72℃，搅拌反应30-40分钟，再加入其他剩余成分，继续搅拌反应20-30分钟，即得。
CN201610530996.6A 2016-07-07 2016-07-07 一种抗菌易成膜水基纳米二硫化钨等温模锻润滑剂及其制备方法 Pending CN106118842A (zh)

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CN105400584A (zh) * 2015-11-30 2016-03-16 安徽创奇乐智能游乐设备有限公司 一种保护铝型材表面的水基纳米二硫化钨等温模锻润滑剂及其制备方法
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