CN116606686A - 一种水基全合成金属切削液及其制备方法 - Google Patents

一种水基全合成金属切削液及其制备方法 Download PDF

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CN116606686A
CN116606686A CN202310577634.2A CN202310577634A CN116606686A CN 116606686 A CN116606686 A CN 116606686A CN 202310577634 A CN202310577634 A CN 202310577634A CN 116606686 A CN116606686 A CN 116606686A
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water
cutting fluid
parts
metal cutting
acid
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张霞
周璇
韩鹏
孙立彬
刘维民
王晓波
徐超
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Weifang Aorunde New Material Technology Co ltd
Yantai Advanced Materials And Green Manufacturing Shandong Laboratory
Lanzhou Institute of Chemical Physics LICP of CAS
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Weifang Aorunde New Material Technology Co ltd
Yantai Advanced Materials And Green Manufacturing Shandong Laboratory
Lanzhou Institute of Chemical Physics LICP of CAS
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Abstract

本发明提供了一种水基全合成金属切削液及其制备方法,涉及削液技术领域。以重量份计,本发明提供的水基全合成金属切削液包括以下组分:水基润滑剂15~34.5份、净洗剂2.5~3份、渗透剂6~10份、防锈剂9.5~16份、缓蚀剂0.7~1.7份、抗硬水剂3~3.5份、消泡剂0.3~0.5份、水50~70份;所述水基全合成金属切削液的pH值为8.5~9.5;所述水基润滑剂的制备方法包括以下步骤:将有机酸、有机醇胺、硼酸和聚乙二醇在80~85℃反应1~2h,得到水基润滑剂。本发明提供的水基全合成金属切削液在高硬水使用环境中兼具优秀润滑极压性、防锈防腐蚀性、稳定性和易清洗等优点。

Description

一种水基全合成金属切削液及其制备方法
技术领域
本发明涉及削液技术领域,尤其涉及一种水基全合成金属切削液及其制备方法。
背景技术
金属切削液是在切削、铣削、冲压、轧制和拉拔等各种机械制造加工过程中必不可少的润滑剂。切削液应具备良好的润滑性能、冷却清洗功能、防锈防腐功能。与乳化液和半合成液相比,全合成水基液切削液具有更好的冷却和清洗性能,且成本较低,无污染,对环境友好。在加工使用过程中,切削液通常需要采用大量的水预先稀释,稀释水的质量可直接影响到切削液各项性能的实际发挥。若稀释用水的硬度较大,硬水中大量的钙、镁等金属离子会与切削液的成分发生化学反应,从而使稀释液产生浑浊并析出沉淀,导致各项性能下降,尤其可使防锈防腐蚀功能失效。水的硬度一般可分四个等级:软水(0~60ppm)、稍硬水(60~120ppm)、硬水(120~180ppm)和极硬水(181ppm以上)。在我国很多地区尤其北方地区,自来水的硬度超过500ppm,水质硬度普遍较高,因此,为保证切削液在使用过程中的各项功能发挥,要求切削液具有良好的抗硬水能力。然而现有的水基全合成金属切削液难以较为圆满地满足抗硬水稳定性的要求,存在高硬水环境中润滑极压性能不理想、防锈和缓蚀性能差等问题。
发明内容
本发明的目的在于提供一种水基全合成金属切削液及其制备方法,本发明提供的水基全合成金属切削液在高硬水使用环境中兼具优秀润滑极压性、防锈防腐蚀性、稳定性和易清洗等优点。
为了实现上述发明目的,本发明提供以下技术方案:
本发明提供了一种水基全合成金属切削液,以重量份计,包括以下组分:水基润滑剂15~34.5份、净洗剂2.5~3份、渗透剂6~10份、防锈剂9.5~16份、缓蚀剂0.7~1.7份、抗硬水剂3~3.5份、消泡剂0.3~0.5份、水50~70份;所述水基全合成金属切削液的pH值为8.5~9.5;
所述水基润滑剂的制备方法包括以下步骤:将有机酸、有机醇胺、硼酸和聚乙二醇在80~85℃进行反应,得到水基润滑剂。
优选的,所述有机酸包括油酸、蓖麻油酸和月桂酸中的一种或多种。
优选的,所述有机醇胺包括乙醇胺、二乙醇胺和三乙醇胺中的一种或多种。
优选的,所述聚乙二醇的平均相对分子质量为300~600g/mol。
优选的,所述有机酸、有机醇胺、硼酸和聚乙二醇的质量比为(5.5~9.5):(3~9.5):(4~15):(1~2)。
优选的,所述净洗剂包括烷基醇酰胺磷酸酯。
优选的,所述抗硬水剂包括乙二胺四乙酸、乙二胺四乙酸二钠和乙二胺四乙酸四钠中的一种或多种。
优选的,所述渗透剂包括乙二醇醚;所述缓释剂包括苯骈三氮唑。
优选的,所述防锈剂包括石油磺酸钠、钼酸钠、四硼酸钠、柠檬酸、LS1005和LS1002中的一种或多种。
本发明提供了上述方案所述水基全合成金属切削液的制备方法,包括以下步骤:将水基润滑剂、净洗剂、渗透剂、防锈剂、缓蚀剂、抗硬水剂、消泡剂和水混合,调整所得混合液的pH值为8.5~9.5,得到所述水基全合成金属切削液。
本发明提供了一种水基全合成金属切削液,以重量份计,包括以下组分:水基润滑剂15~34.5份、净洗剂2.5~3份、渗透剂6~10份、防锈剂9.5~16份、缓蚀剂0.7~1.7份、抗硬水剂3~3.5份、消泡剂0.3~0.5份、水50~70份;所述水基全合成金属切削液的pH值为8.5~9.5;所述水基润滑剂的制备方法包括以下步骤:将有机酸、有机醇胺、硼酸和聚乙二醇在80~85℃反应1~2h,得到水基润滑剂。在本发明中,水基润滑剂具有较好的防锈润滑、极压抗磨及抗菌稳定性能,起到减摩耐磨的作用;同时与防锈剂和缓蚀剂复配,更有效地发挥防腐防变质功能;净洗剂具有极强的去污能力,对易粘附于金属表面的各类污垢能迅速脱除,并对清洗后的金属表面具有良好的保护作用;同时与渗透剂复配,起到良好的乳化稳定作用,使得各个组分在水中均匀稳定分散,防止有效成分的沉降、分层、团聚、絮凝或老化,提高全合成切削液的储存稳定性;抗硬水剂可与多种金属离子螯合,形成稳定的水溶性络合物,使全合成切削液在硬水环境中也可发挥优秀的润滑性能和防腐蚀性能,保护切削工件,提高使用寿命。
本发明所述水基全合成金属切削液为淡黄色透明无味的液体,不含易致癌的亚硝酸盐、苯酚、甲醛等有害物质,属于一种单相水溶液体系,不含矿物油,不存在破乳现象,具有良好的化学稳定性能以及清洗、渗透、润滑、防锈防腐蚀功能;原料中采用的蓖麻油酸、月桂酸、烷基醇酰胺磷酸酯等生物降解率高,降低了废水处理成本。
本发明使用的水基润滑剂增强了切削液的润滑能力,摩擦系数低,磨损面积较小;同时提高了切削液的极压性能;使得切削液的综合润滑性能、最大无卡咬负荷及攻丝扭矩性能均超过市购天津泰伦特、潍坊及开封奥科宝全合成产品。
本发明提供的水基全合成金属切削液用硬水稀释后呈无色透明状态,在高硬质水中也能正常使用,且具有优良的防锈、防腐蚀性能,防锈、防腐蚀效果可维持72h以上,远超国内标准。
附图说明
图1为本发明实施例1~3所述水基全合成金属切削液和对比例1~3全合成切削液的摩擦系数曲线图;
图2为本发明实施例1~3所述水基全合成金属切削液和对比例1~3全合成切削液的磨斑对比图;
图3为本发明实施例1~3所述水基全合成金属切削液和对比例1~3全合成切削液的最大磨斑直径对比图;
图4为本发明实施例1~3所述水基全合成金属切削液和对比例1~3全合成切削液的最大无卡咬负荷对比图;
图5为本发明实施例1~3所述水基全合成金属切削液和对比例1~3全合成切削液用500ppm硬度的水稀释后稀释液的攻丝扭矩图。
具体实施方式
本发明提供了一种水基全合成金属切削液,以重量份计,包括以下组分:水基润滑剂15~34.5份、净洗剂2.5~3份、渗透剂6~10份、防锈剂9.5~16份、缓蚀剂0.7~1.7份、抗硬水剂3~3.5份、消泡剂0.3~0.5份、水50~70份;所述水基全合成金属切削液的pH值为8.5~9.5。
下面先对水基润滑剂的制备过程进行说明。
在本发明中,所述水基润滑剂的制备方法包括以下步骤:将有机酸、有机醇胺、硼酸和聚乙二醇在80~85℃进行反应,得到水基润滑剂。
在本发明中,所述有机酸优选包括油酸、蓖麻油酸和月桂酸中的一种或多种,更优选为油酸。当所述有机酸包括上述物质中的多种时,本发明对各有机酸的配比没有特殊要求,任意配比均可。
在本发明中,所述有机醇胺优选包括乙醇胺、二乙醇胺和三乙醇胺中的一种或多种,更优选为二乙醇胺;当所述有机醇胺包括上述物质中的多种时,本发明对各有机醇胺的配比没有特殊要求,任意配比均可。
在本发明中,所述聚乙二醇的平均相对分子质量优选为300~600g/mol,更优选为350~550g/mol,进一步优选为400~500g/mol。
在本发明中,所述有机酸、有机醇胺、硼酸和聚乙二醇的质量比优选为(5.5~9.5):(3~9.5):(4~15):(1~2),更优选为(7~8):(3~9.5):(4~15):(1~2),在本发明的实施例中,具体为7:3:4:1、7:8:12:2或7.5:9.5:15:1.5。
在本发明中,将有机酸、有机醇胺、硼酸和聚乙二醇在80~85℃进行反应优选包括:向反应容器中加入有机酸和有机醇胺,升温至80~85℃,在搅拌条件下第一反应30~60min,然后向所得反应体系中加入聚乙二醇和硼酸,继续在搅拌条件下第二反应30~60min。在本发明中,所述聚乙二醇的作用是润滑增稠。
在本发明在所述第一反应过程中,有机酸与有机醇胺发生缩聚反应,得到有机酸醇胺。在第二反应过程中,有机酸醇胺与硼酸发生酯化反应,生成有机酸醇胺硼酸酯。例如,当有机酸为油酸,有机醇胺为二乙醇胺,第一反应后生成油酸二乙醇胺,第二反应后生成油酸二乙醇胺硼酸酯。
本发明对所述第一反应和第二反应过程中的搅拌速率没有特殊要求,常规搅拌速率将反应原料搅拌均匀即可。
下面对本发明的水基全合成金属切削液进行说明。
以重量份计,本发明提供的水基全合成金属切削液包括水基润滑剂15~34.5份,优选为18~32份,更优选为20~30份,进一步优选为23~27份。在本发明中,所述水基润滑剂具有较好的防锈润滑、极压抗磨及抗菌稳定性能,起到减摩耐磨的作用。
以所述水基润滑剂的重量份数为基准,本发明提供的水基全合成金属切削液包括净洗剂2.5~3份,优选为2.6~2.9份,更优选为2.7~2.8份。在本发明中,所述洗净剂优选包括烷基醇酰胺磷酸酯。本发明所述净洗剂具有极强的去污能力,对易粘附于金属表面的各类污垢能迅速脱除,并对清洗后的金属表面具有良好的保护作用。此外,烷基醇酰胺磷酸酯还具有生物降解率高,环境友好的特点。
以所述水基润滑剂的重量份数为基准,本发明提供的水基全合成金属切削液包括渗透剂6~10份,优选为7~9份,更优选为7.5~8.5份。在本发明中,所述渗透剂优选包括乙二醇醚,更优选为乙二醇单丁醚、二乙二醇丁醚和二乙二醇乙醚中的一种或多种。本发明的渗透剂与其他组分复配,起到良好的乳化稳定作用,使得各个组分在水中均匀稳定分散,防止有效成分的沉降、分层、团聚、絮凝或老化,提高全合成切削液的储存稳定性。
以所述水基润滑剂的重量份数为基准,本发明提供的水基全合成金属切削液包括防锈剂9.5~16份,优选为10~15份,更优选为11~14份。在本发明中,所述防锈剂优选包括石油磺酸钠、钼酸钠、四硼酸钠、柠檬酸、LS1005和LS1002中的一种或多种;当所述防锈剂包括上述物质中的多种时,本发明对各防锈剂的配比没有特殊要求,任意配比均可。在本发明中,所述LS1005和LS1002为青岛惠天化工有限公司的气相型水基防锈液。
以所述水基润滑剂的重量份数为基准,本发明提供的水基全合成金属切削液包括缓蚀剂0.7~1.7份,优选为1~1.5份,更优选为1.2~1.3份。在本发明中,所述缓释剂优选包括苯骈三氮唑。在本发明中,防锈剂和缓蚀剂复配,可以更有效地发挥防腐防变质功能。
以所述水基润滑剂的重量份数为基准,本发明提供的水基全合成金属切削液包括抗硬水剂3~3.5份,优选为3.1~3.4份,更优选为3.2~3.3份。在本发明中,所述抗硬水剂优选包括乙二胺四乙酸、乙二胺四乙酸二钠和乙二胺四乙酸四钠中的一种或多种;当所述抗硬水剂包括上述物质中的多种时,本发明对各抗硬水剂的配比没有特殊要求,任意配比均可。在本发明中,所述抗硬水剂可与多种金属离子螯合,形成稳定的水溶性络合物,使全合成切削液在硬水环境中也可发挥优秀的润滑性能和防腐蚀性能,保护切削工件,提高使用寿命。
以所述水基润滑剂的重量份数为基准,本发明提供的水基全合成金属切削液包括消泡剂0.3~0.5份,优选为0.35~0.45份。在本发明中,所述消泡剂优选包括有机硅类消泡剂、聚醚类消泡剂和丙烯酸酯类消泡剂中的一种或多种。本发明对所述有机硅类消泡剂、聚醚类消泡剂和丙烯酸酯类消泡剂的具体种类不做特殊限定,本领域熟知的有机硅类消泡剂、聚醚类消泡剂和丙烯酸酯类消泡剂均可,具体的,所述有机硅类消泡剂为MS575、BZB-1310或DF-2083;所述聚醚类消泡剂为BK-L099、B-299或DU-028;所述丙烯酸酯类消泡剂为DT-0002、DJ-3021或Z-307。
以所述水基润滑剂的重量份数为基准,本发明提供的水基全合成金属切削液包括水50~70份,更优选为55~65份。
在本发明中,所述水基全合成金属切削液的pH值为8.5~9.5。
本发明提供了上述方案所述水基全合成金属切削液的制备方法,包括以下步骤:将水基润滑剂、净洗剂、渗透剂、防锈剂、缓蚀剂、抗硬水剂、消泡剂和水混合,调整所得混合液的pH值为8.5~9.5,得到所述水基全合成金属切削液。
在本发明中,所述混合的温度优选为40~50℃。本发明优选得到水基润滑剂后,直接将所述水基润滑剂由80~85℃降温至40~50℃,向降温后的水基润滑剂中加入净洗剂、渗透剂、防锈剂、缓蚀剂、抗硬水剂、消泡剂和水,搅拌20~40min后,加入pH调节剂调整所得混合液的pH值为.8.5~9.5,得到所述水基全合成金属切削液。
在本发明中,所述pH调节剂优选为乙醇胺、二乙醇胺和二甘醇胺中的一种或多种。
下面结合实施例对本发明提供的水基全合成金属切削液及其制备方法进行详细的说明,但是不能把它们理解为对本发明保护范围的限定。
实施例1
向烧瓶中加入5.5g蓖麻油酸、1.5g月桂酸和3g二乙醇胺,升温至80~85℃,搅拌反应60min后加入1g聚乙二醇和4g硼酸,继续搅拌反应60min,得到水基润滑剂;降温至50℃,加入50g水、3g烷基醇酰胺磷酸酯、7g二乙二醇丁醚、1g石油磺酸钠、4g钼酸钠、4g LS1005、7gLS1002、0.7g苯骈三氮唑、3g乙二胺四乙酸二钠和0.3g有机硅消泡剂(盟庆信MS575),搅拌30min后加入2g乙醇胺,调节pH值为9.0,将溶液冷却至室温,得到黄色透明均一的溶液,即为水基全合成金属切削液。
实施例2
向烧瓶中加入4g蓖麻油酸、3g月桂酸和8g二乙醇胺,升温至80~85℃,搅拌反应60min后加入2g聚乙二醇和12g硼酸,继续搅拌反应60min,得到水基润滑剂;降温至50℃,加入50g水、2.7g烷基醇酰胺磷酸酯、6g二乙二醇丁醚、4g石油磺酸钠、3g钼酸钠、1g四硼酸钠、1.5g柠檬酸、1.5g苯骈三氮唑、3.5g乙二胺四乙酸二钠和0.45g有机硅消泡剂(盟庆信MS575),搅拌30min后加入2.8g乙醇胺,调节pH值为8.65,将溶液冷却至室温,得到黄色透明均一的溶液,即为水基全合成金属切削液。
实施例3
向烧瓶中加入6.5g蓖麻油酸、2g月桂酸和9.5g二乙醇胺,升温至80~85℃,搅拌反应60min后加入1.5g聚乙二醇和15g硼酸,继续搅拌60min,得到水基润滑剂;降温至50℃,加入70g水、2.5g烷基醇酰胺磷酸酯、10g二乙二醇丁醚、5.5g石油磺酸钠、2.5g钼酸钠、1.5g四硼酸钠、1.5g柠檬酸、1.7g苯骈三氮唑、3.5g乙二胺四乙酸二钠和0.5g有机硅消泡剂(盟庆信MS575),搅拌30min后加入3g乙醇胺,调节pH为8.61,将溶液冷却至室温,得到黄色透明均一的溶液,即为水基全合成金属切削液。
对比例1
国产天津泰伦特全合成切削液。
对比例2
国产潍坊G700全合成切削液。
对比例3
国产开封奥科宝R8500全合成切削液。
性能测试:
参照GB-T 3142-2019对实施例1~3和对比例1~3切削液的摩擦系数和最大无卡咬负荷进行测试,结果见图1和图4以及表2。
图2为本发明实施例1~3所述水基全合成金属切削液和对比例1~3全合成切削液的磨斑对比图。四球机试验条件:载荷392N,转速1450r/min,温度为室温,时间为10s。用读数显微镜测定3个底球的磨斑直径,取最大值,具体数值见图3和表2。由图2可以看出,实施例1~3全合成切削液用硬水稀释后进行摩擦学测试的磨斑相较于对比例1~3的形状更规则,边缘更光滑。由图3和表2可知,实施例1~3的磨斑均匀且磨斑直径相对对比例较小,说明实施例1~3的全合成金属切削液抗磨性能更佳。
图5为本发明实施例1~3所述水基全合成金属切削液和对比例1~3全合成切削液用500ppm硬度的水稀释后稀释液的攻丝扭矩图,对应的具体数据见表2。实验条件:转速为800r/min,螺母为6082#铝合金,内径3.7mm;丝锥为氮化和氧化处理高精度挤压丝锥,型号为TTT_M4F-NT。从攻丝扭矩图和表2可以看出,实施例1~3的水基全合成切削液的攻丝扭矩数值均低于对比例1~3,说明所制备的抗硬水高防腐蚀全合成切削液在高硬水中具有更优良的润滑性能和抗极压性能,更大程度降低攻丝切削力,提高攻丝效率和精度,延长攻丝锥使用寿命,适用于实际应用工况。
表2实施例及对比例切削液及其用500ppm硬度的水稀释后稀释液的各项质量指标
从表2可以看出,实施例1~3全合成切削液在硬水中对于铁铜铝的防锈和防腐蚀效果均可达到72h,远超过对比例1~3;摩擦系数略小于对比例1~3;最大无卡咬负荷均明显大于对比例1~3,说明本发明所合成的水基全合成切削液在高硬水环境中也具有优良的润滑极压性能和防锈防腐蚀功效。
以上所述仅是本发明的优选实施方式,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,还可以做出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。

Claims (10)

1.一种水基全合成金属切削液,其特征在于,以重量份计,包括以下组分:水基润滑剂15~34.5份、净洗剂2.5~3份、渗透剂6~10份、防锈剂9.5~16份、缓蚀剂0.7~1.7份、抗硬水剂3~3.5份、消泡剂0.3~0.5份、水50~70份;所述水基全合成金属切削液的pH值为8.5~9.5;
所述水基润滑剂的制备方法包括以下步骤:将有机酸、有机醇胺、硼酸和聚乙二醇在80~85℃进行反应,得到水基润滑剂。
2.根据权利要求1所述的水基全合成金属切削液,其特征在于,所述有机酸包括油酸、蓖麻油酸和月桂酸中的一种或多种。
3.根据权利要求1所述的水基全合成金属切削液,其特征在于,所述有机醇胺包括乙醇胺、二乙醇胺和三乙醇胺中的一种或多种。
4.根据权利要求1所述的水基全合成金属切削液,其特征在于,所述聚乙二醇的平均相对分子质量为300~600g/mol。
5.根据权利要求1~4任一项所述的水基全合成金属切削液,其特征在于,所述有机酸、有机醇胺、硼酸和聚乙二醇的质量比为(5.5~9.5):(3~9.5):(4~15):(1~2)。
6.根据权利要求1所述的水基全合成金属切削液,其特征在于,所述净洗剂包括烷基醇酰胺磷酸酯。
7.根据权利要求1所述的水基全合成金属切削液,其特征在于,所述抗硬水剂包括乙二胺四乙酸、乙二胺四乙酸二钠和乙二胺四乙酸四钠中的一种或多种。
8.根据权利要求1所述的水基全合成金属切削液,其特征在于,所述渗透剂包括乙二醇醚;所述缓释剂包括苯骈三氮唑。
9.根据权利要求1所述的水基全合成金属切削液,其特征在于,所述防锈剂包括石油磺酸钠、钼酸钠、四硼酸钠、柠檬酸、LS1005和LS1002中的一种或多种。
10.权利要求1~9任一项所述水基全合成金属切削液的制备方法,其特征在于,包括以下步骤:将水基润滑剂、净洗剂、渗透剂、防锈剂、缓蚀剂、抗硬水剂、消泡剂和水混合,调整所得混合液的pH值为8.5~9.5,得到所述水基全合成金属切削液。
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CN117568090A (zh) * 2023-11-16 2024-02-20 俄美达(武汉)有限公司 一种半导体合金靶材切削液及其制备方法
CN117568090B (zh) * 2023-11-16 2024-04-30 俄美达(武汉)有限公司 一种半导体合金靶材切削液及其制备方法

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