CN109370722B - 一种切割钢丝湿拉润滑剂及其制备方法 - Google Patents

一种切割钢丝湿拉润滑剂及其制备方法 Download PDF

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CN109370722B
CN109370722B CN201811324018.1A CN201811324018A CN109370722B CN 109370722 B CN109370722 B CN 109370722B CN 201811324018 A CN201811324018 A CN 201811324018A CN 109370722 B CN109370722 B CN 109370722B
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罗志磊
许宏涛
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Cyma Oil Products Zhenjiang Co ltd
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Abstract

本发明公开了一种切割钢丝湿拉润滑剂及其制备方法,包括如下以重量计算的制备原料:摩擦特性改进剂:6~12%,复合羧酸6~11%,抗磨防霉剂:1.5~3.0%,偶合剂:10~15%,酰胺化试剂:5~9%,表面活性剂:4~8%,防锈粘附反应单体:0.8~1.2%,余量的去离子水。与现有技术相比,本发明制备的润滑剂具有昂贵的进口润滑剂德国SCT05产品的应用属性,最佳润滑性能周期长、生产稳定、耐高压、高温,冷却效果好、低的泡沫倾向、清洗性好、无异味、不含矿物油可以生物降解,主要应用于切割钢丝以及钢帘线的湿式拉拔,取代进口,降低成本,满足行业的实际需要、提升行业战略安全,提高企业经济效益。

Description

一种切割钢丝湿拉润滑剂及其制备方法
技术领域
本发明涉及润滑剂领域,尤其涉及一种切割钢丝湿拉润滑剂及其制备方法。
背景技术
切割钢丝又名切割钢线,它集高强度、高精度、高稳定性、超细和超长度等众多特点于一身,广泛应用于能源和公共设施,航空,设备等领域,如太阳能硅片切割,石英材料切割,单晶硅和多晶硅的切割等。受全球新能源趋势影响,国内外大型光伏电站基地的建设,硅片切割市场需求量供不应求,未来行业前景不可估量。切割钢丝行业将随着光伏行业的快速发展,未来国内外需求量将不断增大。
切割钢丝的生产被誉为金属线材工艺技术的最高水品,凭借金属冷拉拔变形技术,使得一根1mm的镀铜钢丝通过不同工艺工序(经过各种规格的模具),高品质和高可靠性润滑剂不同浓度控制,最终达到直径0.07-0.2mm左右的不同规格的切割钢丝。
切割钢丝湿拉润滑剂作为切割钢丝生产的主要耗材,应用量随着光伏行业的发展快速攀升。由于切割钢丝的生产对润滑剂的要求十分苛刻,加上国外对产品技术的挟持,目前,国内切割钢线行业所用拉丝润滑剂完全被几家国外公司垄断,润滑剂的供给链和价格犹如“美国芯片”,严重制约了该行业的发展!因此开发出一种综合性能好,可取代进口的切割钢丝润滑剂具有十分重要的现实意义和历史意义。
目前,国内一般线材加工的拉丝润滑剂专利比较多,还没有能满足切割钢丝拉拔的润滑剂专利以及实际工业化应用的产品。我国切割钢丝行业大量使用的几款进口拉丝润滑剂品种和质量表现如下:
德国的Zeller+Gmel SCT 05:最佳润滑性能周期长、生产稳定、耐高压、高温,冷却效果好、低的泡沫倾向、清洗性好、无异味、不含矿物油可以生物降解,与切割磨料协同性好,主要应用于切割钢丝以及钢帘线的湿式拉拔,切割钢丝的应用普及率高,缺点是依靠进口、价格较高;
法国的SUPERSOL ADM U V2:最佳润滑性能周期长、生产稳定、耐高压、高温、拉拔效果好、冷却效果好、低的泡沫倾向,工作液不易污染,无异味、不含矿物油可以生物降解,钢帘线与橡胶的粘合力高,主要应用于钢帘线以及切割钢丝的湿式拉拔,应用普及率最高,缺点是依靠进口、价格较高;
日本Toho拉丝润滑剂:价格便宜、生产稳定、粘附性好,缺点是人体易过敏,过老化周期短,在国内应用不普及。
如何制备一种能够解决上述缺陷的综合性能好且能有效取代进口,降低成本的切割钢丝湿拉润滑剂值得研究。
发明内容
发明目的:为了满足我国切割钢丝行业的实际需要,本发明提出了一种切割钢丝湿拉润滑剂及其制备方法,制备而成的润滑剂性能稳定、价格适中、不含矿物油,可以生物降解,完全可以取代进口的切割钢丝湿拉润滑剂。
技术方案:为达以上目的,本发明采取以下技术方案:一种切割钢丝湿拉润滑剂,包括如下以重量计算的制备原料:摩擦特性改进剂:6~12%,复合羧酸6~11%,抗磨防霉剂:1.5~3.0%,偶合剂:10~15%,酰胺化试剂:5~9%,表面活性剂:4~8%,防锈粘附反应单体:0.8~1.2%,余量的去离子水。
所述摩擦特性改进剂为甲酰胺磷酸盐、乙二胺磷酸盐、二乙醇胺磷酸盐其中的一种与鲸蜡醇磷酸酯、C16-18单磷酸酯、脂肪醇醚磷酸酯其中的一种的混合物。其中,优选材料甲酰胺磷酸盐、乙二胺磷酸盐、二乙醇胺磷酸盐为低磷、低泡的溶性缓蚀剂,并具有优秀的清洗效果以及中度的极压润滑性能,呈碱性,而优选材料鲸蜡醇磷酸酯、C16-18单磷酸酯、脂肪醇醚磷酸酯为低磷、低泡的溶性极压润滑剂和缓蚀剂,呈酸性,两者复合使用使本发明产品表现为弱碱性,既发挥了良好的清洗和缓蚀性能,又确保良好的极压活性,有效提高整体润滑性,降低拉丝模具损耗。另外,该类优选材料的低泡性和低磷含量,也不需要单独的消泡剂,有利于废液的处理。
所述复合羧酸为妥尔油、精制妥尔油、妥尔油脂肪酸其中的一种与蓖麻油酸、二聚酸、米糠油酸其中一种的混合物。其中优选材料妥尔油、精制妥尔油、妥尔油脂肪酸是一类含有松香酸等异构体的植物羧酸,它与本发明的酰胺化试剂反应形成的脂肪酸酰胺,系一类典型的非离子表面活性剂,具有优异的乳化性、抗硬水、铜皂分散、缓蚀性、pH缓冲、抗酸败特性,而润滑性一般;优选材料蓖麻油酸、二聚酸、米糠油酸,是一类优异的油性剂,它与本发明的酰胺化试剂反应形成的脂肪酸酰胺,润滑性优越、清洗效果也好。两者复配使用,优势互补,既表现出良好的铜皂分散性能、缓蚀性能,又具有极好的润滑性,满足本发明产品对切割钢丝的应用属性。
所述抗磨防霉剂为蓖麻油硼酸酯、聚乙二醇硼酸酯、三乙醇胺硼酸酯中的一种。该类优选材料是保证本发明产品具备长效极压润滑性和生物稳定性不可或缺的硼系防霉润滑添加剂,同时不需要单独的杀菌防霉剂,充分降低了废液的处理难度。
所述偶合剂为甘油、聚合甘油、丙酮缩甘油(2,2-二甲基-4-羟甲基-1,3-二氧环戊烷)其中两种的混合物。其中,甘油、聚合甘油具有较低的摩擦系数和适度的耦合作用,丙酮缩甘油是替代醇醚的环保型溶剂,也是典型的高性能偶合剂和有效的粘度比热调节剂,两者结合使用,充分满足本发明产品的稳定性和低泡倾向以及冷却特性。
所述酰胺化试剂为吗啡啉、二乙醇胺、哌嗪中的两种的混合物。该类优选材料具有较高的反应活性,与本发明的特性羧酸很容易发生反应生成酰胺化合物。这类酰胺化合物具有典型的润滑、清洗、缓蚀多效特性,有效满足本发明的应用属性(同上表述)。
所述表面活性剂为油醇聚氧乙烯醚、蓖麻油聚氧乙烯醚、脂肪胺聚氧乙烯醚中的一种。该类优选材料是典型的环保多效表面活性剂,既具有较好的表面活性,有具备良好的润滑性、同时对金属没有腐蚀,赋予本发明产品具有可靠的清洗性能,可有效减少成品切割钢丝表面的有害物残留,同时也是废液处理变得容易。
所述防锈粘附反应单体为:苯并三氮唑、甲基苯并三氮唑、巯基苯并噻唑中的一种。需要说明的是,该类优选材料和本发明的摩擦特性改进剂之间有条件性缩合反应,主要表征类产物为1-羟基苯三唑磷酸酯胺盐,它具有防锈、胶体增稠的双重作用,赋予产品极好的粘附性和防锈性,有效增强整体润滑特性、降低模具损耗。
更为优选的,所述去离子水的电导率<0.5μs/cm。
本发明还公开了上述切割钢丝湿拉润滑剂的制备方法,包括如下步骤:
(1)首先在反应器中加入去离子水,升温到75℃,边搅拌边依次加入防锈粘附反应单体、摩擦特性改进剂复合物,维持75-80℃搅拌反应90min;
(2)依次加入酰胺化试剂、复合羧酸,保持75-80℃反应90min;
(3)依次加入表面活性剂、抗磨防霉剂、偶合剂,保持65-70℃分散45min;
(4)搅拌降温到≤35℃,再经5μm过滤介质过滤后得所需润滑剂。
有益效果:本发明提供的一种切割钢丝湿拉润滑剂及其制备方法制备的润滑剂具有昂贵的进口润滑剂如德国SCT05产品的应用属性,最佳润滑性能周期长、生产稳定、耐高压、高温,冷却效果好、低的泡沫倾向、清洗性好、无异味、不含矿物油可以生物降解,主要应用于切割钢丝以及钢帘线的湿式拉拔,取代进口,降低成本,满足行业的实际需要、提升行业战略安全,提高企业经济效益。
具体实施方式
实施例1-3所使用的去离子水的电导率<0.5μs/cm。
实施例1:
在反应器中首先加入去离子水514kg,升温到75℃,依次加入甲基苯并三氮唑11kg、甲酰胺磷酸盐70kg、鲸蜡醇磷酸酯20kg,维持75~80℃搅拌反应90min;依次加入二乙醇胺67kg、吗啡啉3kg,妥尔油55kg、蓖麻油酸35kg,维持75~80℃搅拌反应90min;依次加入脂肪胺聚氧乙烯醚75kg、聚乙二醇硼酸酯20kg,甘油127kg、丙酮缩甘油3kg,保持65-70℃分散45min;搅拌降温到35℃得所需润滑剂。
实施例2:
在反应釜中首先加入去离子水508kg,升温到75℃,依次加入巯基苯并噻唑12kg、二乙醇胺磷酸盐65kg、C16-18单磷酸酯25kg,维持75~80℃搅拌反应90min;依次加入二乙醇胺68kg、哌嗪2kg,妥尔油脂肪酸55kg、二聚酸40kg,维持75~80℃搅拌反应90min;依次加入蓖麻油聚氧乙烯醚80kg、蓖麻油硼酸酯25kg,聚合甘油115kg、丙酮缩甘油5kg,保持65-70℃分散45min;搅拌降温到35℃终点。
实施例3:
在反应釜中首先加入去离子水509kg,升温到75℃,依次加入苯并三氮唑11kg、乙二胺磷酸盐70kg、脂肪醇醚磷酸酯20kg,维持75~80℃搅拌反应90min;依次加入二乙醇胺67kg,吗啡啉3kg、精制妥尔油55kg、米糠油酸45kg,维持75~80℃搅拌反应90min;依次加入油醇聚氧乙烯醚75kg、三乙醇胺硼酸酯15kg,甘油127kg、丙酮缩甘油3kg,保持65-70℃分散45min;搅拌降温到35℃终点。
对实施例1-3制备的润滑剂与德国SCT05润滑剂产品进行各性能测试,测试方法如下:
测试结果如表1所示:
表1实施例与进口润滑剂德国SCT05产品性能对比
Figure BDA0001858216930000041
Figure BDA0001858216930000051
从表1的数据可以看出,本发明实施例1-3制备的一种切割钢丝湿拉润滑剂各理化指标与德国的Zeller+Gmel SCT 05型润滑剂几乎相近,消泡性明显向好;四球承载能力数据均优于德国的Zeller+Gmel SCT 05型润滑剂,特别是实施例3的PB值(油膜强度)和PD值(烧结负荷)表现好于一个级别;腐蚀试验试验数据也和德国的Zeller+Gmel SCT 05类同,对铸铁的抗腐蚀性表现向好。本发明的切割钢丝湿拉润滑剂和全球知名品牌德国的Zeller+Gmel SCT 05产品性能相当,综合性能表现良好,可以替代进口,满足切割线行业的实际需要;同时有效降低了成本,提高经济效益。

Claims (4)

1.一种切割钢丝湿拉润滑剂,其特征在于包括如下以重量计算的制备原料:摩擦特性改进剂:6~12%,复合羧酸6~11%,抗磨防霉剂:1.5~3.0%,偶合剂:10~15%,酰胺化试剂:5~9%,表面活性剂:4~8%,防锈粘附反应单体:0.8~1.2%,余量的去离子水;所述复合羧酸为妥尔油、精制妥尔油、妥尔油脂肪酸其中的一种与蓖麻油酸、二聚酸、米糠油酸其中一种的混合物;所述酰胺化试剂为吗啡啉、二乙醇胺、哌嗪中的两种的混合物;所述摩擦特性改进剂为甲酰胺磷酸盐、乙二胺磷酸盐、二乙醇胺磷酸盐其中的一种与鲸蜡醇磷酸酯、C16-18单磷酸酯、脂肪醇醚磷酸酯其中的一种的混合物;所述抗磨防霉剂为蓖麻油硼酸酯、聚乙二醇硼酸酯、三乙醇胺硼酸酯中的一种;所述偶合剂为甘油、聚合甘油、丙酮缩甘油其中两种的混合物;所述防锈粘附反应单体为苯并三氮唑、甲基苯并三氮唑、巯基苯并噻唑中的一种。
2.根据权利要求1所述的切割钢丝湿拉润滑剂,其特征在于:所述表面活性剂为油醇聚氧乙烯醚、蓖麻油聚氧乙烯醚、脂肪胺聚氧乙烯醚中的一种。
3.根据权利要求1所述的切割钢丝湿拉润滑剂,其特征在于:所述去离子水的电导率<0.5μs/cm。
4.如权利要求1所述的切割钢丝湿拉润滑剂的制备方法,其特征在于包括如下步骤:
(1)首先在反应器中加入去离子水,升温到75℃,边搅拌边依次加入防锈粘附反应单体、摩擦特性改进剂复合物,维持75-80℃搅拌反应90min;
(2)依次加入酰胺化试剂、复合羧酸,保持75-80℃反应90min;
(3)依次加入表面活性剂、抗磨防霉剂、偶合剂,保持65-70℃分散45min;
(4)搅拌降温到≤45℃,再经5μm过滤介质过滤后得所需润滑剂。
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