CN106675730B - 一种挥发型钢管扩径油及其配制方法 - Google Patents
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Abstract
本发明公开了一种挥发型钢管扩径油及其配制方法,其是由低粘度碳氢溶剂油和氧化动植物油组成基础油,再加入抗磨极压剂、增溶分散剂、乳化剂、铜钝化剂和助剂配制而成。本发明的挥发型钢管扩径油可以保证扩径过程能满足高压条件下的润滑极压性能,减少了含氯、含硫、含磷极压剂的危害,提高了对扩径头的保护和扩径油扩径后的易清洗性。
Description
技术领域
本发明涉及一种金属加工成型工艺用油,属于金属加工成型润滑油技术领域。
背景技术
扩径油常用于各种钢管和不锈钢管的扩径加工或冷轧加工,如高难度弯曲、拉伸等加工工序。工作时,扩径油在扩径机的扩径头与金属表面之间形成强力油膜,起到润滑、抗极压、减摩、防锈、冷却的作用。工作完成后,要便于用水清洗除去。
因此扩径油需要有以下几点特殊性能:较高的粘附性;特别高的极压抗磨润滑性能;极易清洗性,简单的水冲洗即能清除干净这种高粘稠的润滑剂,不影响下一工序;易于后期水处理,能够完全生物降解,对人体和环境影响小。
目前市面上的扩径油多采用粘度较高的氧化植物油作为基础油,调出来的扩径油粘度在400厘斯左右,虽然粘度性很强,但是不利于后期的高压喷淋清洗。同时现有扩径油配合含氯、含磷、含硫添加剂作为极压剂,高温下与金属表面形成化学润滑膜,优点是耐高温、PD值高、极压效果好;缺点是:氯化废液有毒,处理不当会造成环境问题,并且游离的氯离子很容易造成金属的腐蚀;有机硫化物气味大、颜色深,对有色金属腐蚀严重,扩径车间硫臭气味大,对工人身体产生一定的危害;磷系很容易腐败变臭;不利于扩径后的污水处理。
国内使用的大型钢管扩径头大多是德国进口扩径头,主要由铜材组成,价格昂贵,因此扩径油对扩径头的保护亦非常重要。申请号201010616737.8的发明专利未添加任何铜缓蚀剂,按该专利制备的扩径油,由于含活性和非活性硫,对扩径头损伤严重;申请号201310468205.8的发明专利也未提到添加任何铜缓蚀剂,在高压扩径过程中瞬间高温对含铜的扩径头损伤也很大;申请号201310014559.5的发明专利在实施例中提到使用甲基苯并三氮唑作为铜缓蚀剂,甲基苯并三氮唑在这种高负荷扩径过程中虽能起到缓蚀功能,但是缓蚀能力有限,尤其在含有硫的极压剂体系中缓蚀能力下降,此外甲基苯并三氮唑是固体粉末,在油中很难溶解,时间长了可能会有针状析出产生,影响对铜的缓蚀效果。
钢管扩径油在扩径后立即进行水冲洗、试压等工艺,冲洗后的干净程度主要通过观察钢管扩径面锈斑是否均匀(若扩径管残留的扩径油没有冲洗干净,暂留的地方无法形成均匀的锈斑,会影响后期的抛光处理),所以扩径油在制备的过程中无需添加任何防锈剂,防锈剂的添加会无形地增加原料成本,造成资源的浪费。
发明内容
本发明是为避免上述现有技术所存在的不足之处,提供一种挥发型钢管扩径油及其制备方法,以期可以保证扩径过程能满足高压条件下的润滑极压性能,减少含氯、含硫、含磷极压剂的危害,以及提高对扩径头的保护和扩径油扩径后的易清洗性。
本发明解决技术问题,采用如下技术方案:
本发明的挥发型钢管扩径油,其特点在于:各组分按重量百分比的构成为:
所述基础油由闪点为40-120℃的低粘度碳氢溶剂油和40℃粘度在2000-3000厘斯的氧化动植物油组成;在所述基础油中低粘度碳氢溶剂油的质量百分比为10-30%,氧化动植物油的质量百分比为70-90%。
所述低粘度碳氢溶剂油为D40溶剂油、D50溶剂油、D60溶剂油、D70溶剂油、D80溶剂油、D90溶剂油、D100溶剂油、D110溶剂油、D120溶剂油、无味煤油或柴油中的至少一种;
所述氧化动植物油为氧化菜油、氧化大豆油、氧化棉籽油、氧化蓖麻油、氧化猪油、氧化牛油中的至少一种。
所述抗磨极压剂由纳米石墨、纳米氮化硼和脂肪酸酯组成,所述脂肪酸酯为脂肪酸甲酯、脂肪酸异丙酯、脂肪酸异辛酯、脂肪酸丁酯、三羟甲基丙烷脂肪酸酯、聚戊四醇脂肪酸酯、氯羟酯中的至少一种。
所述增溶分散剂为硅溶胶、分子量20000-80000的聚乙二醇、粘度200-3000厘斯的多元醇中的至少一种。
所述乳化剂为蓖麻油马来酸酐、聚丁烯琥珀酸酐、PEG200-2000脂肪酸单酯或双酯、脂肪醇聚氧乙烯醚羧酸、12-18胺聚氧乙烯醚、脂肪酸烷醇酰胺、聚氧乙烯失水山梨醇脂肪酸酯中的至少一种。
所述铜钝化剂为莱茵化学的RC8210、巴斯夫Irgamet 39、植酸中的至少一种。
所述助剂为一乙醇胺、二乙醇胺、三乙醇胺、一异丙醇胺、二异丙醇胺、三异丙醇胺、2-氨基-2-甲基-1-丙醇、二乙烯乙二醇、聚醚胺、甲基二乙醇胺中的至少一种。
上述挥发型钢管扩径油的配制方法为:首先按配比将基础油加入到调和釜中,边搅拌边加入增溶分散剂,继续搅拌70分钟,再加入抗磨极压剂、乳化剂和铜钝化剂,继续搅拌120分钟,最后加入助剂,再搅拌30分钟,即获得挥发型钢管扩径油。
与已有技术相比,本发明的有益效果体现在:
本发明的挥发型钢管扩径油可以保证扩径过程能满足高压条件下的润滑极压性能,减少了含氯、含硫、含磷极压剂的危害,提高了对扩径头的保护和扩径油扩径后的易清洗性。
本发明的扩径油采用低粘度碳氢溶剂油和高粘度的氧化动植物油作为基础油,扩径后溶剂油会迅速挥发掉,钢管残留的扩径油组成中基础油含量减少,而乳化剂总量未有减少,乳化剂在残留的组分中所占比例增加,更利于残留组分在水中的分散,有利于残留扩径油被水冲洗干净;本发明的扩径油采用纳米氮化硼、纳米石墨、脂肪酸酯作为抗磨极压剂,通过脂肪酸酯的低温润滑和纳米氮化硼、纳米石墨的高温纳米保护层很好的衔接,能最大程度地保护扩径设备的使用寿命,抗磨极压性能优于常规的含氯、含磷、含硫等抗磨极压剂,同时可以减少含氯、含硫、含磷等抗磨极压剂对人身和环境的危害,采用纳米石墨、纳米氮化硼也有利于后期污水处理,污泥压滤成型;本发明采用莱茵化学的RC8210、巴斯夫Irgamet 39、植酸作为铜钝化剂,对扩径头的铜材具有更好的保护作用,大大延长扩径头的使用寿命;增溶分散剂选用硅溶胶、分子量20000-80000的聚乙二醇、粘度200-3000厘斯的多元醇,可以大大提高纳米石墨、纳米氮化硼在基础油中的分散稳定性,避免长时间储存出现纳米石墨、纳米氮化硼固体沉淀情况,同时有利于扩径油粘度的稳定;乳化剂采用蓖麻油马来酸酐、聚丁烯琥珀酸酐,可解决传统磺酸钠在高压扩径后乳化能力下降,避免扩径后残留扩径油难清洗的缺点,采用脂肪醇聚氧乙烯醚羧酸可明显提高扩径油的乳化稳定性,易于扩径后残留扩径油的清洗。
具体实施方式
实施例1
本实施例按如下步骤制备挥发型钢管扩径油:
称取4份D80溶剂油和36份40℃粘度为2500厘斯的氧化大豆油加入到调和釜中,边搅拌边加入15份硅溶胶,搅拌70分钟后再加入5份纳米石墨、4份纳米氮化硼、10份三羟甲基丙烷月桂酸酯、5份氯羟酯、7份蓖麻油马来酸酐、2.5份PEG600单油酸酯、4份十二胺聚氧乙烯醚、1份脂肪酸聚氧乙烯醚羧酸、1份S80(聚氧乙烯失水山梨醇脂肪酸酯)、0.5份RC8210到调和釜中,搅拌120分钟,最后加入5份甲基二乙醇胺搅拌30分钟,即得挥发型钢管扩径油。
本实施例所得产品40℃粘度387厘斯,PB值大于200KG,PD值620KG,兑水分散快,无挂壁现象。
实施例2
本实施例按如下步骤制备挥发型钢管扩径油:
称取15份D100溶剂油和35份40℃粘度为2500厘斯的氧化菜油加入到调和釜中,边搅拌边加入15份硅溶胶,搅拌70分钟后再加入3份纳米石墨、2份纳米氮化硼、15份油酸异丙酯、5份蓖麻油马来酸酐、2.5份PEG6400双油酸酯、0.5份十二胺聚氧乙烯醚、1份S80、0.5份RC8210、0.5份Irgamet39到调和釜中,搅拌120分钟,最后加入5份二乙醇胺搅拌30分钟,即得挥发型钢管扩径油。
本实施例所得产品40℃粘度401厘斯,PB值200KG,PD值500KG,兑水分散快,无挂壁现象。
实施例3
本实施例按如下步骤制备挥发型钢管扩径油:
称取8.4份D100溶剂油和33.6份40℃粘度为2500厘斯的氧化棉籽油加入到调和釜中,边搅拌边加入5份硅溶胶,搅拌70分钟后再加入8份纳米石墨、7份纳米氮化硼、13份油酸丁酯、2份氯羟酯、10份蓖麻油马来酸酐、2.5份PEG600单油酸酯、3份十二胺聚氧乙烯醚、1.5份S80、0.5份RC8210、0.5份Irgamet 39到调和釜中,搅拌120分钟,最后加入5份二异丙醇胺搅拌30分钟,即得挥发型钢管扩径油。
本实施例所得产品40℃粘度345厘斯,PB值大于200KG,PD值620KG,兑水分散快,无挂壁现象。
实施例4
本实施例按如下步骤制备挥发型钢管扩径油:
称取8.1份D110溶剂油和32.4份40℃粘度为2500厘斯的氧化猪油加入到调和釜中,边搅拌边加入7.5份20000分子量聚乙二醇,搅拌70分钟后再加入5份纳米石墨、10份纳米氮化硼、12份聚戊四醇月桂酸酯、3份氯羟酯、10份蓖麻油马来酸酐、2.5份PEG600单油酸酯、5份十二胺聚氧乙烯醚、1份脂肪酸聚氧乙烯醚羧酸、1.5份S80、0.5份RC8210、0.5份Irgamet39、1份植酸到调和釜中,搅拌120分钟,最后加入10份二乙醇胺搅拌30分钟,即得挥发型钢管扩径油。
本实施例所得产品40℃粘度432厘斯,PB值大于200KG,PD值500KG,兑水分散快,无挂壁现象。
实施例5
本实施例按如下步骤制备挥发型钢管扩径油:
称取6.45份D120溶剂油和36.55份40℃粘度为2500厘斯的氧化大豆油加入到调和釜中,边搅拌边加入10份20000分子量聚乙二醇,搅拌70分钟后再加入7份纳米石墨、3份纳米氮化硼、12份油酸甲酯、1.5份氯羟酯、8份蓖麻油马来酸酐、1份PEG400双油酸酯、3份十二胺聚氧乙烯醚、2.5份S80、1份RC8210、1份Irgamet 39到调和釜中,搅拌120分钟,最后加入7份二异丙醇胺搅拌30分钟,即得一种挥发型钢管扩径油。
本实施例所得产品40℃粘度469厘斯,PB值大于200KG,PD值500KG,兑水分散快,无挂壁现象。
实施例6
本实施例按如下步骤制备挥发型钢管扩径油:
称取9.8份D70溶剂油和39.2份40℃粘度为2500厘斯的氧化菜油加入到调和釜中,边搅拌边加入8份硅溶胶,搅拌70分钟后再加1.5份纳米石墨、3.5份纳米氮化硼、9份三羟甲基丙烷月桂酸酯、6份氯羟酯、9份聚丁烯琥珀酸酐、5份十二胺聚氧乙烯醚、1份S80、0.5份RC8210、1.5份Irgamet 39到调和釜中,搅拌120分钟,最后加入6份聚醚胺搅拌30分钟,即得挥发型钢管扩径油。
本实施例所得产品40℃粘度384厘斯,PB值191KG,PD值400KG,兑水分散快,无挂壁现象。
以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等,均应包含在本发明的保护范围之内。
Claims (6)
1.一种挥发型钢管扩径油,其特征在于:各组分按重量百分比的构成为:
所述基础油由闪点为40-120℃的低粘度碳氢溶剂油和40℃粘度在2000-3000厘斯的氧化动植物油组成;在所述基础油中低粘度碳氢溶剂油的质量百分比为10-30%,氧化动植物油的质量百分比为70-90%;
所述抗磨极压剂由纳米石墨、纳米氮化硼和脂肪酸酯组成,所述脂肪酸酯为脂肪酸甲酯、脂肪酸异丙酯、脂肪酸异辛酯、脂肪酸丁酯、三羟甲基丙烷脂肪酸酯、聚戊四醇脂肪酸酯、氯羟酯中的至少一种;
所述铜钝化剂为莱茵化学的RC8210、巴斯夫Irgamet39、植酸中的至少一种。
2.根据权利要求1所述的挥发型钢管扩径油,其特征在于:所述低粘度碳氢溶剂油为D40溶剂油、D50溶剂油、D60溶剂油、D70溶剂油、D80溶剂油、D90溶剂油、D100溶剂油、D110溶剂油、D120溶剂油、无味煤油或柴油中的至少一种;
所述氧化动植物油为氧化菜油、氧化大豆油、氧化棉籽油、氧化蓖麻油、氧化猪油、氧化牛油中的至少一种。
3.根据权利要求1所述的挥发型钢管扩径油,其特征在于:所述增溶分散剂为硅溶胶、分子量20000-80000的聚乙二醇、粘度200-3000厘斯的多元醇中的至少一种。
4.根据权利要求1所述的挥发型钢管扩径油,其特征在于:所述乳化剂为蓖麻油马来酸酐、聚丁烯琥珀酸酐、PEG200-2000脂肪酸单酯或双酯、脂肪醇聚氧乙烯醚羧酸、12-18胺聚氧乙烯醚、脂肪酸烷醇酰胺、聚氧乙烯失水山梨醇脂肪酸酯中的至少一种。
5.根据权利要求1所述的挥发型钢管扩径油,其特征在于:所述助剂为一乙醇胺、二乙醇胺、三乙醇胺、一异丙醇胺、二异丙醇胺、三异丙醇胺、2-氨基-2-甲基-1-丙醇、二乙烯乙二醇、聚醚胺、甲基二乙醇胺中的至少一种。
6.一种权利要求1~5中任意一项所述挥发型钢管扩径油的配制方法,其特征在于:首先按配比将基础油加入到调和釜中,边搅拌边加入增溶分散剂,继续搅拌70分钟,再加入抗磨极压剂、乳化剂和铜钝化剂,继续搅拌120分钟,最后加入助剂,再搅拌30分钟,即获得挥发型钢管扩径油。
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