CN108517249A - 一种高效防锈切削液及其制备方法 - Google Patents

一种高效防锈切削液及其制备方法 Download PDF

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CN108517249A
CN108517249A CN201810325684.0A CN201810325684A CN108517249A CN 108517249 A CN108517249 A CN 108517249A CN 201810325684 A CN201810325684 A CN 201810325684A CN 108517249 A CN108517249 A CN 108517249A
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姚振红
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Suzhou Jiederui Precision Machinery Co Ltd
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Abstract

本发明提供了一种高效防锈切削液及其制备方法,包括以下重量份组分制备而成:25号变压器油17‑26份、脂肪酸烷醇酰胺5‑12份、石油磺酸盐3‑8份、脂肪醇聚氧乙烯醚2‑7份、缓蚀剂1‑5份、杀菌剂1‑4份、消泡剂0.1‑0.9份、PH调节剂0.5‑0.9份、水40‑60份。本发明制备得到的高效防锈切削液综合性能优异,消泡迅速,使用后可以保持器材至少5天不生锈,切削液本身性质稳定,可长期使用,制备方法和使用方法简单易操作。

Description

一种高效防锈切削液及其制备方法
技术领域
本发明涉及加工用的润滑剂领域,特别涉及一种高效防锈切削液及其制备方法。
背景技术
机械加工行业的快速发展,使其加工效率不断增长,加工的特征也逐步向高速、强力等方向靠拢,导致工件表面承受较大的摩擦力,以及大量的摩擦热,如果不加以防护将会造成工件表面的破坏,减少其使用周期。切削液的使用可以有效缓解这些不良现象,切削液的组成一般包括表面活性剂、助表面活性剂、水、防锈剂、杀菌剂等成分,其稳定性和其使用性能有重要关联。切削液需要具备良好的洗净功能。润滑性能以及防锈性能,并且其组成应当尽量避免有毒有害物质,以免对操作人员的健康造成危害以及使用后的排放对环境造成严重的污染。切削液需要具备优异的润滑性能和防锈性能以外,还需要有良好的化学稳定性和较高的pH值得,以保证其使用周期性和稳定性。
发明内容
要解决的技术问题:
本发明的目的是提供一种综合性能优异,消泡迅速,防锈性能优异,可长期使用,制备方法和使用方法简单易操作的高效防锈切削液。
技术方案:
本发明提供了一种高效防锈切削液,包括以下重量份组分制备而成:
25号变压器油17-26份、
脂肪酸烷醇酰胺5-12份、
石油磺酸盐3-8份、
脂肪醇聚氧乙烯醚2-7份、
缓蚀剂1-5份、
杀菌剂1-4份、
消泡剂0.1-0.9份、
PH调节剂0.5-0.9份、
水40-60份。
优选的,所述的一种高效防锈切削液,所述的脂肪酸烷醇酰胺由下述制备方法制备得到:
步骤一:分别准确称取脂肪酸甲酯和二乙醇胺备用,使二者的摩尔比为1:1.1;
步骤二:将脂肪酸甲酯加入到四口烧瓶中,加热至140℃,通入氮气10min,然后先加入一定量二乙醇胺, 使脂肪酸甲酯与二乙醇胺的摩尔比为1:0.8,安装回流冷凝管,使其在搅拌状态下反应4h,然后降温至70℃;
步骤三:加入占脂肪酸甲酯质量0.9%的氢氧化钾,将其溶于剩下的二乙醇胺中,继续搅拌反应3h,冷却至室温,即得到脂肪酸烷醇酰胺。
优选的,所述的一种高效防锈切削液,所述的缓蚀剂为苯骈三氮唑。
优选的,所述的一种高效防锈切削液,所述的杀菌剂为黄芩60wt%乙醇提取物、苦参60wt%乙醇提取物和蓖麻油按照重量比2.6:2:0.5混合而成。
优选的,所述的一种高效防锈切削液,所述的消泡剂为环己醇和聚丙烯酰胺按照重量比1:0.2混合而成。
优选的,所述的一种高效防锈切削液,所述的PH调节剂为氢氧化钠和三乙醇胺按照重量比1:5混合而成。
本发明还提供了一种高效防锈切削液的制备方法,包括以下制备步骤:
(1)在带有搅拌装置的三口烧瓶中,加入水40-60份,升温然后加入脂肪酸烷醇酰胺5-12份、石油磺酸盐3-8份和脂肪醇聚氧乙烯醚2-7份搅拌混合;
(2)升温,继续加入25号变压器油17-26份、缓蚀剂1-5份、消泡剂0.1-0.9份、PH调节剂0.5-3份搅拌混合;
(3)降低温度,加入杀菌剂1-4份,再搅拌均匀后即得。
优选的,所述的一种高效防锈切削液的制备方法,包括以下制备步骤:
(1)在带有搅拌装置的三口烧瓶中,加入水40-60份,升温至55℃,然后加入脂肪酸烷醇酰胺5-12份、石油磺酸盐3-8份和脂肪醇聚氧乙烯醚2-7份搅拌5min;(2)升温至65℃,继续加入25号变压器油17-26份、缓蚀剂1-5份、消泡剂0.1-0.9份、PH调节剂0.5-3份搅拌混合30min;
(3)降温至40℃,加入杀菌剂1-4份,再搅拌15min后即得。
有益效果:
(1)酚类、苯类及甲醛类杀菌剂,虽然具有极强的杀菌能力,但因其有毒,危害操作者的健康,因此被限制使用,本发明选用天然杀菌剂,低毒无公害,不会造成对人员健康的威胁,并且本发明使用的抗菌剂中添加了蓖麻油,可以促进杀菌成分对细菌细胞壁的穿透性,从而提高杀菌性能。
(2)本发明的pH调节剂中含有氢氧化钠,可以很好的调节切削液的pH值,并且可以与机械器材表面油污中的酸性成分发生反应生成表面活性物质,中和油脂,生成的活性物还可以与体系中的脂肪酸烷醇酰胺共同作用,降低溶液界面张力,提高体系的活性。
(3)本发明选用了性能优异复配性好的表面活性剂共同作用,并添加了适宜的缓蚀剂、杀菌剂、消泡剂等助剂,制备得到的切削液综合性能优异,消泡迅速,使用后可以保持器材5天内不生锈,切削液本身性质稳定,可长期使用,制备方法和使用方法简单易操作。
具体实施方式
下面的实施例可使本专业技术人员更全面地理解本发明,但不以任何方式限制本发明。
实施例1-5和对比例1中的脂肪酸烷醇酰胺由下述制备方法制备得到:
步骤一:分别准确称取脂肪酸甲酯和二乙醇胺备用,使二者的摩尔比为1:1.1;
步骤二:将脂肪酸甲酯加入到四口烧瓶中,加热至140℃,通入氮气10min,然后先加入一定量二乙醇胺, 使脂肪酸甲酯与二乙醇胺的摩尔比为1:0.8,安装回流冷凝管,使其在搅拌状态下反应4h,然后降温至70℃;
步骤三:加入占脂肪酸甲酯质量0.9%的氢氧化钾,将其溶于剩下的二乙醇胺中,继续搅拌反应3h,冷却至室温,即得到脂肪酸烷醇酰胺。
实施例1
(1)在带有搅拌装置的三口烧瓶中,加入水60份,升温至55℃,然后加入脂肪酸烷醇酰胺5份、石油磺酸盐8份和脂肪醇聚氧乙烯醚2份搅拌5min;
(2)升温至65℃,继续加入25号变压器油26份、苯骈三氮唑1份、消泡剂0.9份、PH调节剂0.5份搅拌混合30min;
(3)降温至40℃,加入杀菌剂4份,再搅拌15min后即得。
消泡剂为环己醇和聚丙烯酰胺按照重量比1:0.2混合而成。
杀菌剂为黄芩60wt%乙醇提取物、苦参60wt%乙醇提取物和蓖麻油按照重量比2.6:2:0.5混合而成。
PH调节剂为氢氧化钠和三乙醇胺按照重量比1:5混合而成。
实施例2
(1)在带有搅拌装置的三口烧瓶中,加入水40份,升温至55℃,然后加入脂肪酸烷醇酰胺12份、石油磺酸盐3份和脂肪醇聚氧乙烯醚7份搅拌5min;
(2)升温至65℃,继续加入25号变压器油17份、苯骈三氮唑5份、消泡剂0.1份、PH调节剂0.9份搅拌混合30min;
(3)降温至40℃,加入杀菌剂1份,再搅拌15min后即得。
消泡剂为环己醇和聚丙烯酰胺按照重量比1:0.2混合而成。
杀菌剂为黄芩60wt%乙醇提取物、苦参60wt%乙醇提取物和蓖麻油按照重量比2.6:2:0.5混合而成。
PH调节剂为氢氧化钠和三乙醇胺按照重量比1:5混合而成。
实施例3
(1)在带有搅拌装置的三口烧瓶中,加入水54份,升温至55℃,然后加入脂肪酸烷醇酰胺7份、石油磺酸盐7份和脂肪醇聚氧乙烯醚3份搅拌5min;
(2)升温至65℃,继续加入25号变压器油23份、苯骈三氮唑2份、消泡剂0.7份、PH调节剂0.6份搅拌混合30min;
(3)降温至40℃,加入杀菌剂3.2份,再搅拌15min后即得。
消泡剂为环己醇和聚丙烯酰胺按照重量比1:0.2混合而成。
杀菌剂为黄芩60wt%乙醇提取物、苦参60wt%乙醇提取物和蓖麻油按照重量比2.6:2:0.5混合而成。
PH调节剂为氢氧化钠和三乙醇胺按照重量比1:5混合而成。
实施例4
(1)在带有搅拌装置的三口烧瓶中,加入水48份,升温至55℃,然后加入脂肪酸烷醇酰胺10份、石油磺酸盐4份和脂肪醇聚氧乙烯醚6份搅拌5min;
(2)升温至65℃,继续加入25号变压器油19份、苯骈三氮唑4份、消泡剂0.5份、PH调节剂0.8份搅拌混合30min;
(3)降温至40℃,加入杀菌剂2份,再搅拌15min后即得。
消泡剂为环己醇和聚丙烯酰胺按照重量比1:0.2混合而成。
杀菌剂为黄芩60wt%乙醇提取物、苦参60wt%乙醇提取物和蓖麻油按照重量比2.6:2:0.5混合而成。
PH调节剂为氢氧化钠和三乙醇胺按照重量比1:5混合而成。
实施例5
(1)在带有搅拌装置的三口烧瓶中,加入水50份,升温至55℃,然后加入脂肪酸烷醇酰胺8份、石油磺酸盐6份和脂肪醇聚氧乙烯醚5份搅拌5min;
(2)升温至65℃,继续加入25号变压器油21份、苯骈三氮唑3份、消泡剂0.6份、PH调节剂0.7份搅拌混合30min;
(3)降温至40℃,加入杀菌剂2.7份,再搅拌15min后即得。
消泡剂为环己醇和聚丙烯酰胺按照重量比1:0.2混合而成。
杀菌剂为黄芩60wt%乙醇提取物、苦参60wt%乙醇提取物和蓖麻油按照重量比2.6:2:0.5混合而成。
PH调节剂为氢氧化钠和三乙醇胺按照重量比1:5混合而成。
对比例1
本对比例与实施例1的区别在于消泡剂中不含有聚丙烯酰胺。具体地说是:
(1)在带有搅拌装置的三口烧瓶中,加入水60份,升温至55℃,然后加入脂肪酸烷醇酰胺5份、石油磺酸盐8份和脂肪醇聚氧乙烯醚2份搅拌5min;
(2)升温至65℃,继续加入25号变压器油26份、苯骈三氮唑1份、环己醇0.9份、PH调节剂0.5份搅拌混合30min;
(3)降温至40℃,加入杀菌剂4份,再搅拌15min后即得。
杀菌剂为黄芩60wt%乙醇提取物、苦参60wt%乙醇提取物和蓖麻油按照重量比2.6:2:0.5混合而成。
PH调节剂为氢氧化钠和三乙醇胺按照重量比1:5混合而成。
对比例2
本对比例与实施例1的区别在于不含脂肪酸烷醇酰胺。具体地说是:
(1)在带有搅拌装置的三口烧瓶中,加入水60份,升温至55℃,然后加入石油磺酸盐8份和脂肪醇聚氧乙烯醚2份搅拌5min;
(2)升温至65℃,继续加入25号变压器油26份、苯骈三氮唑1份、消泡剂0.9份、PH调节剂0.5份搅拌混合30min;
(3)降温至40℃,加入杀菌剂4份,再搅拌15min后即得。
消泡剂为环己醇和聚丙烯酰胺按照重量比1:0.2混合而成。
杀菌剂为黄芩60wt%乙醇提取物、苦参60wt%乙醇提取物和蓖麻油按照重量比2.6:2:0.5混合而成。
PH调节剂为氢氧化钠和三乙醇胺按照重量比1:5混合而成。
稳定性测试:
取切削液原液适量放置在透明容器中静置24小时,观察原液是否有分层和杂质,是否均匀; 取原液适量用自来水配制成5%稀释液在透明容器中静置15分钟,观察稀释液是否均匀,是否有分层和杂质。 上述两项有任何一项出现分层、杂质及不均匀现象均视为不合格。
泡沫性能测试:
配置5%浓度稀释切削液液并放置在透明的试剂瓶中,盖好盖子。然后用正常力量上下摇动试剂瓶15秒钟然后静置在桌面上开始计时并观察瓶中产生泡沫消失速度。
防锈性能及防腐蚀性能
配置5%浓度稀释切削液液适量,选取加工零件有经过切削加工的加工面在切削液中浸泡适当时间2小时,然后取出在空气中静置5天观察零件表面是否生锈。
测试结果见下表:
表1 性能测试
稳定性 pH值
实施例1 合格 8.6
实施例2 合格 8.7
实施例3 合格 8.9
实施例4 合格 8.8
实施例5 合格 8.8
对比例1 合格 8.5
对比例2 合格 8.6
表2 性能测试
消泡时间/s 防锈性
实施例1 10 轻锈
实施例2 8 良好
实施例3 6 良好
实施例4 6 良好
实施例5 5 良好
对比例1 17 轻锈
对比例2 11 中锈
由测试结果可知:本发明制备得到的切削液稳定性强,具有优良的防锈性能,并且消泡迅速易清洗,使用周期长,不含有毒有害物质,按照实施例5的配方制备得到的切削液,其综合性能可以达到最优。
采用醇类消泡剂环己醇和酰胺类消泡剂聚丙烯酰胺复配使用,能够快速地使液膜发生破裂,从而体系可达到优良的消泡效果。由对比例1的测试结果可知,单一的消泡剂成分,其作用效果并不理想,要经过17s才能消泡。
本发明制备了脂肪酸烷醇酰胺,具有良好的表面活性,可以增强本申请只能怪切削液体系的防锈性能。由对比例2中测试结果可知,缺乏脂肪酸烷醇酰胺,切削液体系的防锈性能明显下降。

Claims (8)

1.一种高效防锈切削液,其特征在于,包括以下重量份组分制备而成:
25号变压器油17-26份、
脂肪酸烷醇酰胺5-12份、
石油磺酸盐3-8份、
脂肪醇聚氧乙烯醚2-7份、
缓蚀剂1-5份、
杀菌剂1-4份、
消泡剂0.1-0.9份、
PH调节剂0.5-0.9份、
水40-60份。
2.根据权利要求1所述的一种高效防锈切削液,其特征在于,所述的脂肪酸烷醇酰胺由下述制备方法制备得到:
步骤一:分别准确称取脂肪酸甲酯和二乙醇胺备用,使二者的摩尔比为1:1.1;
步骤二:将脂肪酸甲酯加入到四口烧瓶中,加热至140℃,通入氮气10min,然后先加入一定量二乙醇胺, 使脂肪酸甲酯与二乙醇胺的摩尔比为1:0.8,安装回流冷凝管,使其在搅拌状态下反应4h,然后降温至70℃;
步骤三:加入占脂肪酸甲酯质量0.9%的氢氧化钾,将其溶于剩下的二乙醇胺中,继续搅拌反应3h,冷却至室温,即得到脂肪酸烷醇酰胺。
3.根据权利要求1所述的一种高效防锈切削液,其特征在于,所述的缓蚀剂为苯骈三氮唑。
4.根据权利要求1所述的一种高效防锈切削液,其特征在于,所述的杀菌剂为黄芩60wt%乙醇提取物、苦参60wt%乙醇提取物和蓖麻油按照重量比2.6:2:0.5混合而成。
5.根据权利要求1所述的一种高效防锈切削液,其特征在于,所述的消泡剂为环己醇和聚丙烯酰胺按照重量比1:0.2混合而成。
6.根据权利要求1所述的一种高效防锈切削液,其特征在于,所述的PH调节剂为氢氧化钠和三乙醇胺按照重量比1:5混合而成。
7.一种高效防锈切削液的制备方法,其特征在于,包括以下制备步骤:
(1)在带有搅拌装置的三口烧瓶中,加入水40-60份,升温然后加入脂肪酸烷醇酰胺5-12份、石油磺酸盐3-8份和脂肪醇聚氧乙烯醚2-7份搅拌混合;
(2)升温,继续加入25号变压器油17-26份、缓蚀剂1-5份、消泡剂0.1-0.9份、PH调节剂0.5-3份搅拌混合;
(3)降低温度,加入杀菌剂1-4份,再搅拌均匀后即得。
8.根据权利要求7所述的一种高效防锈切削液的制备方法,其特征在于,包括以下制备步骤:
(1)在带有搅拌装置的三口烧瓶中,加入水40-60份,升温至55℃,然后加入脂肪酸烷醇酰胺5-12份、石油磺酸盐3-8份和脂肪醇聚氧乙烯醚2-7份搅拌5min;(2)升温至65℃,继续加入25号变压器油17-26份、缓蚀剂1-5份、消泡剂0.1-0.9份、PH调节剂0.5-3份搅拌混合30min;
(3)降温至40℃,加入杀菌剂1-4份,再搅拌15min后即得。
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CN102787006A (zh) * 2012-07-20 2012-11-21 诺泰生物科技(合肥)有限公司 一种极压型金属加工液及其制备方法
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