CN115558538B - 一种环保冲压拉伸液及其应用 - Google Patents
一种环保冲压拉伸液及其应用 Download PDFInfo
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Abstract
本申请涉及金属加工技术领域,具体涉及一种环保冲压拉伸液及其应用,按占总重量的百分数计,所述拉伸液组分为:含硫极压剂1%‑20%,C20‑C40的有机氯化物1%‑10%,水溶性磷酸酯0.5%‑5%,耦合剂0.5%‑3%,抗氧化剂5%‑10%,表面活性剂1%‑8%,防锈剂0.2%‑3%,缓蚀剂0.6%‑3%,杀菌剂0.5%‑2.5%,消泡剂0%‑0.1%,基础油5%‑40%,水补充余量至总量为100%;本申请的环保冲压拉伸液能够有效降低金属加工时的变形及划伤,并具有良好的防锈、防腐蚀、导热性能,使用时不产生油雾,对环境友好,易于清洗。
Description
技术领域
本申请涉及金属加工技术领域,C10M173/00,具体涉及一种环保冲压拉伸液及其应用。
背景技术
金属板材冲压制造工艺涉及到仪器仪表、汽车、机械电力、航空航天、军工国防等各个领域。在冲压制造工艺中,冲压拉伸液的质量关系到其加工工艺的成败、模具寿命、生产效率、产品质量等一系列的问题,所以,针对不同的金属材质开发其适用的冲压拉伸液具有非常重要的意义。传统的拉伸油使用了较多的矿物质油、可挥发性油、硼化皂基干膜、皂基化合物等,在使用过程中会产生油雾,不利于车间生产环境,并且传统的拉伸油容易残留在工件表面很难清洗去除,需要使用其他辅助溶剂及清洗过程,降低生产效率,此外,现有拉伸油的润滑、散热和冷却性仍然不足以满足某些特殊工艺的加工要求。
CN 101117610A公开了一种节能环保水性冲压拉伸成型剂,组分包括松香、马来酸与烷基醇酰胺的成膜载体膏状物、丙三醇、聚乙烯醇及消泡剂等,虽然植物油组分环保,但是其冲压和耐磨性能仍然不足,无法有效对金属机体产生表面散热和保护作用。CN109652166A公开了一种挥发性免清洗拉伸油及其制备方法,组分包括:低芳烃溶剂油,烷基酚聚氧乙烯醚磷酸酯,含氨基羧酸酯类,硼酸盐,脱模剂;虽然此拉伸油对金属表面的腐蚀性较低,但是其原料中使用的硼酸盐在冲压时容易产生硼砂颗粒,潮湿环境下***变粘,不利于工件的后续清洗。
发明内容
为了解决以上技术问题,本申请提供了一种环保冲压拉伸液及其应用,本申请的环保冲压拉伸液能够有效降低金属加工时的变形及划伤,并具有良好的防锈、防腐蚀、导热性能,使用时不产生油雾,对环境友好,易于清洗。
进一步地,按占总重量的百分数计,所述冲压拉伸液组分为:含硫极压剂1%-20%,C20-C40的有机氯化物1%-10%,水溶性磷酸酯0.5%-5%,耦合剂0.5%-3%,抗氧化剂5%-10%,表面活性剂1%-8%,防锈剂0.2%-3%,缓蚀剂0.6%-3%,杀菌剂0.5%-2.5%,消泡剂0%-0.1%,基础油5%-40%,水补充余量至总量为100%。
进一步地,按占总重量的百分数计,所述冲压拉伸液组分为:含硫极压剂2%-20%,C20-C40的有机氯化物1%-8%,水溶性磷酸酯1%-4%,耦合剂0.5%-3%,抗氧化剂5%-10%,表面活性剂1%-8%,防锈剂0.2%-3%,缓蚀剂0.6%-3%,杀菌剂0.5%-2.5%,消泡剂0.01%-0.1%,基础油5%-40%,水补充余量至总量为100%。
进一步地,所述含硫极压剂,C20-C40的有机氯化物,水溶性磷酸酯的重量比为(1-6):(0.5-4):(0.7-2.2)。
在一种优选的实施方式中,所述含硫极压剂,C20-C40的有机氯化物,水溶性磷酸酯的重量比为4.8:2:1,此复合配比下的冲压拉伸液具有最佳的极压抗磨性,对金属表面的腐蚀程度最低;推测原因是:C20-C40的有机氯化物中含有键能较低的C-Cl键,在极压下易发生断裂在金属表面生成金属氯化物膜,但是这种膜在高温下不稳定容易磨损,润滑性降低;水溶性磷酸酯的P元素与金属表面结合形成含P化合物,当摩擦升温时,含P化合物的水解产物会进一步与金属表面发生反应生成含磷酸盐的保护膜,提升高温摩擦下的耐蚀性,但水溶性磷酸酯会有一部分发生水解,其挤压耐磨性仍然不够;硫元素活性大,可与金属表面的自由电子结合形成一层致密的化学膜,此保护膜硬度小、剪切强度低,更有效阻止摩擦表面的接触和损耗,提升材料承载性能,但其添加量过多时,S会对其保护的金属产生腐蚀;调控三者的添加比例,更好地提高本申请的润滑性、散热性和防锈性。
进一步地,所述含硫极压剂选自硫化油、硫化烯烃、硫化脂肪酸酯、烃基多硫化物中的一种或几种的组合。
进一步地,所述的硫化油、硫化烯烃、硫化脂肪酸酯、烃基多硫化物中硫的质量含量均为30%-45%;硫会在金属表面上吸附以减少金属的摩擦,当摩擦负荷增加时,摩擦表面温度升高,原本的C-S键断裂形成硫化铁固体膜,产生极压作用,增大金属摩擦时的的载荷性能,但是硫含量过大时,对金属的腐蚀性也越高;因此,控制含硫极压剂的含硫量,以提升本申请的耐磨承载量,并减少对金属表面的腐蚀。
优选地,所述的硫化油、硫化烯烃、硫化脂肪酸酯、烃基多硫化物中硫的质量含量均为35%-45%。
进一步地,所述含硫极压剂选自硫化油、硫化烯烃、硫化脂肪酸酯中的一种或几种的组合。
进一步地,所述含硫极压剂为硫化脂肪酸酯和硫化烯烃的组合。
进一步地,所述硫化脂肪酸酯与硫化烯烃重量比为(0.4-6):1。
在一种优选的实施方式中,所述硫化脂肪酸酯与硫化烯烃重量比为3.2:1;硫化烯烃具有良好的耐磨擦性能,但添加量过多时,会使产品具有较大的气味,因此协同硫化脂肪酸酯增强极压性能,但当硫化脂肪酸酯添加过多时,因其与基础油的相溶性略差,会降低后期冲压拉伸液的成膜性,对金属的防锈性能产生一定不良影响。
进一步地,所述硫化烯烃为硫化菇烯、硫化异丁烯、二烷基五硫化物中的任意一种。
进一步地,所述C20-C40的有机氯化物可选为氯化石蜡。
进一步地,所述水溶性磷酸酯选自酚醚磷酸酯或其钾盐、异构醇醚磷酸酯或其钾盐、异构十三醇聚氧乙烯醚磷酸酯或其钾盐、肌醇六磷酸酯中的一种或几种的组合。
进一步地,所述水溶性磷酸酯选自异构醇醚磷酸酯或其钾盐、异构十三醇聚氧乙烯醚磷酸酯、肌醇六磷酸酯中的一种或几种的组合。
进一步地,所述水溶性磷酸酯为异构十三醇聚氧乙烯醚磷酸酯或肌醇六磷酸酯。
进一步地,所述耦合剂选自乙二醇单丁醚、异构十六醇、甘油、妥尔油酸中的一种或几种的组合。
进一步地,所述抗氧化剂为醇胺类物质,可选自三乙醇胺、单乙醇胺、二甘醇胺、二异丙醇胺中的至少一种。
进一步地,所述表面活性剂选自脂肪醇类、脂肪酸酯类、聚氧乙烯醚类或脂肪醇酰胺类物质中的一种或几种的组合。
进一步地,所述表面活性剂选自聚氧乙烯醚类或脂肪酸酯类物质中的一种或几种的组合。
进一步地,所述聚氧乙烯醚类可选自脂肪醇聚氧乙烯醚,烷基酚聚氧乙烯醚,脂肪胺聚氧乙烯醚中的一种或几种。
进一步地,所述脂肪酸酯类可选自聚乙二醇单油酸酯,失水山梨醇油酸酯,山梨醇酐脂肪酸酯中的一种或几种。
进一步地,所述防锈剂选自苯丙***、石油磺酸钡、季戊四醇酯、山梨糖醇酐单油酸酯、硬脂酸环几胺、苯并三氮唑、咪唑啉烷基磷酸酯盐中的一种或几种的组合。
进一步地,所述防锈剂选自石油磺酸钡、季戊四醇酯、山梨糖醇酐单油酸酯、咪唑啉烷基磷酸酯盐中的一种或几种的组合。
优选地,所述防锈剂为季戊四醇酯。
进一步地,所述缓蚀剂为镁铝缓蚀剂和铜缓蚀剂的组合。
进一步地,所述镁铝缓蚀剂和铜缓蚀剂的重量比为(1-20):1。
进一步地,所述杀菌剂为异噻唑啉酮类、吗啉衍生物、氨基甲酸酯类中的一种或几种的组合。
进一步地,所述杀菌剂为异噻唑啉酮类。
进一步地,所述消泡剂为有机硅类或聚醚类。
优选地,所述消泡剂为有机硅类。
进一步地,所述基础油为PAO基础油和/或矿物基础油。
进一步地,所述环保冲压拉伸液的制备步骤为:
(1)将含硫极压剂,C20-C40的有机氯化物,水溶性磷酸酯、蒸馏水混合后加热溶解,温度为80-100℃;
(2)将基础油,耦合剂,抗氧化剂,表面活性剂,防锈剂,缓蚀剂搅拌混合。
(3)将(2)加入(1)中混合后,加入消泡剂和杀菌剂混合均匀即可。
进一步地,本申请所述的冲压拉伸液用于有色金属的冲压拉伸工艺中。
有益效果:
1.本申请的冲压拉伸液在水中的溶解度高,简单的清洗就能脱离加工金属表面。可以有效减少清洗工序,提高生产效率;另外本申请不会产生油雾,对环境友好;本申请的冲压拉伸液可原液也可稀释使用,具有较好的冷却性。
2.本申请针对有色金属在体系中复配含硫极压剂,C20-C40的有机氯化物,水溶性磷酸酯的相对含量,使本申请对金属具有优异的润滑性、散热性和防锈性,并具有很高的摩擦负荷量。
3.本申请限定含硫极压剂的含硫量,提高所制备冲压拉伸液的极压载荷性能,并抑制其在使用中及使用后对金属表面的腐蚀。
4.本申请限定硫化脂肪酸酯与硫化烯烃重量比,增大本申请体系在水溶液中的溶解度,同时也具有良好的成膜性,以提高本申请对金属表面的防锈性能。
具体实施方式
实施例
实施例1
一种环保冲压拉伸液,按占总重量的百分数计,所述冲压拉伸液组分为:含硫极压剂12%,C20-C40的有机氯化物5%,水溶性磷酸酯2.5%,耦合剂2%,抗氧化剂7%,表面活性剂5%,防锈剂1.5%,缓蚀剂2.5%,杀菌剂1%,消泡剂0.05%,基础油25%,水补充余量至总量为100%。
含硫极压剂为硫化脂肪酸酯(硫的质量含量为39%)和硫化烯烃(硫的质量含量为42%)的组合,两者重量比为3.2:1,所述硫化烯烃为硫化异丁烯,所述C20-C40的有机氯化物为氯化石蜡,所述水溶性磷酸酯为异构十三醇聚氧乙烯醚磷酸酯;
所述耦合剂为三乙二醇单丁醚,所述抗氧化剂为三乙醇胺,所述表面活性剂为脂肪醇聚氧乙烯醚,所述防锈剂为季戊四醇酯,所述基础油为PAO基础油,所述杀菌剂为苯丙异噻唑啉酮,所述消泡剂为乳化硅油;所述缓蚀剂为镁铝缓蚀剂和铜缓蚀剂的组合,两者重量比为4:1。
所述环保冲压拉伸液的制备步骤为:
(1)将含硫极压剂,C20-C40的有机氯化物,水溶性磷酸酯、蒸馏水混合后加热溶解,温度为90℃;
(2)将基础油,耦合剂,抗氧化剂,表面活性剂,防锈剂,缓蚀剂搅拌混合。
(3)将(2)加入(1)中混合后,加入消泡剂和杀菌剂混合均匀即可。
实施例2
一种环保冲压拉伸液,按占总重量的百分数计,所述冲压拉伸液组分为:含硫极压剂18%,C20-C40的有机氯化物2%,水溶性磷酸酯4%,耦合剂3%,抗氧化剂5%,表面活性剂8%,防锈剂0.2%,缓蚀剂3%,杀菌剂2.5%,消泡剂0.1%,基础油8%,水补充余量至总量为100%。
含硫极压剂为硫化脂肪酸酯(硫的质量含量为39%)和硫化烯烃(硫的质量含量为42%)的组合,两者重量比为0.4:1,所述硫化烯烃为硫化异丁烯,所述C20-C40的有机氯化物为氯化石蜡,所述水溶性磷酸酯为异构十三醇聚氧乙烯醚磷酸酯;
所述耦合剂为三乙二醇单丁醚,所述抗氧化剂为三乙醇胺,所述表面活性剂为脂肪醇聚氧乙烯醚,所述防锈剂为季戊四醇酯,所述基础油为PAO基础油,所述杀菌剂为苯丙异噻唑啉酮,所述消泡剂为乳化硅油;所述缓蚀剂为镁铝缓蚀剂和铜缓蚀剂的组合,两者重量比为1:1。
所述环保冲压拉伸液的制备步骤为:
(1)将含硫极压剂,C20-C40的有机氯化物,水溶性磷酸酯、蒸馏水混合后加热溶解,温度为100℃;
(2)将基础油,耦合剂,抗氧化剂,表面活性剂,防锈剂,缓蚀剂搅拌混合。
(3)将(2)加入(1)中混合后,加入消泡剂和杀菌剂混合均匀即可。
实施例3
一种环保冲压拉伸液,按占总重量的百分数计,所述冲压拉伸液组分为:含硫极压剂3%,C20-C40的有机氯化物8%,水溶性磷酸酯1%,耦合剂0.5%,抗氧化剂10%,表面活性剂1%,防锈剂3%,缓蚀剂0.6%,杀菌剂0.5%,消泡剂0.05%,基础油40%,水补充余量至总量为100%。
含硫极压剂为硫化脂肪酸酯(硫的质量含量为39%)和硫化烯烃(硫的质量含量为42%)的组合,两者重量比为6:1,所述硫化烯烃为硫化异丁烯,所述C20-C40的有机氯化物为氯化石蜡,所述水溶性磷酸酯为异构十三醇聚氧乙烯醚磷酸酯;
所述耦合剂为三乙二醇单丁醚,所述抗氧化剂为三乙醇胺,所述表面活性剂为脂肪醇聚氧乙烯醚,所述防锈剂为季戊四醇酯,所述基础油为PAO基础油,所述杀菌剂为苯丙异噻唑啉酮,所述消泡剂为乳化硅油;所述缓蚀剂为镁铝缓蚀剂和铜缓蚀剂的组合,两者重量比为20:1。
所述环保冲压拉伸液的制备步骤为:
(1)将含硫极压剂,C20-C40的有机氯化物,水溶性磷酸酯、蒸馏水混合后加热溶解,温度为80℃;
(2)将基础油,耦合剂,抗氧化剂,表面活性剂,防锈剂,缓蚀剂搅拌混合。
(3)将(2)加入(1)中混合后,加入消泡剂和杀菌剂混合均匀即可。
对比例1
与实施例1一致,区别在于:按占总重量的百分数计,所述冲压拉伸液组分为:含硫极压剂25%,C20-C40的有机氯化物5%,水溶性磷酸酯2.5%,耦合剂2%,抗氧化剂7%,表面活性剂5%,防锈剂1.5%,缓蚀剂2.5%,杀菌剂1%,消泡剂0.05%,基础油25%,水补充余量至总量为100%。
对比例2
与实施例1一致,区别在于:所述硫化脂肪酸酯与硫化烯烃重量比为8:1。
对比例3
与实施例1一致,区别在于:所述硫化脂肪酸酯中硫的质量含量为20%。
所述硫化脂肪酸酯购买自广州富飞化工科技有限公司,型号:3049和3031;所述硫化异丁烯购买自广州锐圣研化工科技有限公司,型号:T321;所述氯化石蜡购自东台市天元化工有限公司;异构十三醇聚氧乙烯醚磷酸酯购买自江苏省海安石油化工厂;PAO基础油购买自深圳市华美特润滑科技有限公司,型号:PAO100;所述表面活性剂脂肪醇聚氧乙烯醚为6501,购买自广州锦田化工有限公司;所述镁铝缓蚀剂购买自德旭新材料股份有限公司,型号:DX5819;所述铜缓蚀剂购买自南京荣基化工有限公司,型号:T706。
性能测试方法:
(1)极压性能:按照GB/T 12583-1998润滑剂极压性能测定法(四球法)测试最大无卡咬负荷PB值。
(2)腐蚀性:采用GB 7326-1987和GB/T 5096-1991进行测试。
实施例测试结果见表1。
性能测试结果:
表1
序号 | PB/N | 铜片腐蚀程度 |
实施例1 | 1285 | 1a |
实施例2 | 1240 | 1a |
实施例3 | 1198 | 1b |
对比例1 | 1270 | 2b |
对比例2 | 880 | 1b |
对比例3 | 735 | 1a |
Claims (7)
1.一种环保冲压拉伸液,其特征在于,按占总重量的百分数计,所述冲压拉伸液组分为:含硫极压剂1%-20%,C20-C40的有机氯化物1%-10%,水溶性磷酸酯0.5%-5%,耦合剂0.5%-3%,抗氧化剂5%-10%,表面活性剂1%-8%,防锈剂0.2%-3%,缓蚀剂0.6%-3%,杀菌剂0.5%-2.5%,消泡剂0%-0.1%,基础油5%-40%,水补充余量至总量为100%;
所述含硫极压剂,C20-C40的有机氯化物,水溶性磷酸酯的重量比为(1-6):(0.5-4):(0.7-2.2);
所述含硫极压剂为硫化脂肪酸酯和硫化烯烃的组合;所述的硫化烯烃、硫化脂肪酸酯中硫的质量含量均为30%-45%。
2.根据权利要求1所述的一种环保冲压拉伸液,其特征在于,按占总重量的百分数计,所述冲压拉伸液组分为:含硫极压剂2%-20%,C20-C40的有机氯化物1%-8%,水溶性磷酸酯1%-4%,耦合剂0.5%-3%,抗氧化剂5%-10%,表面活性剂1%-8%,防锈剂0.2%-3%,缓蚀剂0.6%-3%,杀菌剂0.5%-2.5%,消泡剂0.01%-0.1%,基础油5%-40%,水补充余量至总量为100%。
3.根据权利要求1所述的一种环保冲压拉伸液,其特征在于,所述水溶性磷酸酯选自酚醚磷酸酯或其钾盐、异构醇醚磷酸酯或其钾盐、异构十三醇聚氧乙烯醚磷酸酯或其钾盐、肌醇六磷酸酯中的一种或几种的组合。
4.根据权利要求1所述的一种环保冲压拉伸液,其特征在于,所述防锈剂选自苯丙***、石油磺酸钡、季戊四醇酯、山梨糖醇酐单油酸酯、硬脂酸环几胺、苯并三氮唑、咪唑啉烷基磷酸酯盐中的一种或几种的组合。
5.根据权利要求1所述的一种环保冲压拉伸液,其特征在于,所述基础油为PAO基础油和/或矿物基础油。
6.根据权利要求1所述的一种环保冲压拉伸液,其特征在于,所述缓蚀剂为镁铝缓蚀剂和铜缓蚀剂的组合。
7.根据权利要求1-6任一项所述的一种环保冲压拉伸液的应用,其特征在于,所述拉伸液用于有色金属的冲压拉伸工艺中。
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