CN110819429B - 一种乳化型切削液 - Google Patents
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Abstract
本发明公开了一种乳化型切削液,包括按重量百分比计的以下组分:矿物油10%~60%,有机胺6%~15%,有机酸5%~15%,缓蚀剂0.1%~10%,润滑剂0~25%,表面活性剂5%~15%,醚0~10%,杀菌剂0~6%,消泡剂0~1%,以及余量的水。本发明乳化型切削液适用于铜、铜合金机加工,对铜离子化倾向具有显著的抑制作用。本发明乳化型切削液还具有卓越的铜材保护、润滑、防锈及生物稳定等性能。
Description
技术领域
本发明涉及一种乳化型切削液,具体涉及一种用于铜、铜合金机加工的乳化型切削液及其制备方法。
背景技术
以纯铜(紫铜)、铜合金(黄铜、白铜、青铜等)为材料制作的零部件广泛存在生产生活中,如电线、电缆、电器元件、变压器、印刷电路、管路接头、散热器等。为了制作这些零部件或成品,必需对母材进行适当的机加工,切削加工和成型加工是比较常见的工艺,为确保加工的质量和效率,必需使用适当的工艺介质进行润滑、冷却、清洗,避免产生积屑瘤、异常磨损、表面粗糙、刀具寿命低等现象。
用于铜、铜合金加工的工艺介质有切削液、冲压液、清洗剂等,其中切削液是最重要的一类。切削液可分为乳化型产品和乳化型产品两大类,乳化型产品含有矿物油,水稀释液为乳白色或半透明状态,油滴粒径较大,具有润滑性能好的优势,特别适用于高精密铜和铜合金部件的加工。目前,较多用于铜、铜合金机加工的切削液存在一项弊端,即对铜的腐蚀性较强,即使有较多缓蚀剂用于铜材的保护,但铜材仍然有显著的离子化倾向,其外在表现为切削液从原本的乳白色等正常外观转变为蓝色、红色、紫色等,据从部分机加工企业取样的检测结果,铜离子最高含量最高可达3000ppm以上。铜离子属于重金属,其存在于切削液中极难去除,对人体危害大,处理费用高,容易造成严重环境污染。
发明内容
本发明的目的在于提供一种乳化型切削液,其适用于铜、铜合金机加工,对铜离子化倾向具有显著的抑制作用。
为实现上述目的,本发明提供一种乳化型切削液,包括按重量百分比计的以下组分:
矿物油 10%~60%,
有机胺 6%~15%,
有机酸 5%~15%,
缓蚀剂 0.1%~10%,
润滑剂 0~25%,
表面活性剂 5%~15%,
醚 0~10%,
杀菌剂 0~6%,
消泡剂 0~1%,
以及余量的水。
优选的,所述矿物油为环烷基矿物油,其40℃运动粘度为4.5~75 mm2/s。
优选的,所述有机胺选自四甲基己二胺(TMHDA)、二甲基苄胺(BDMA)、二甘醇胺(DGA)、六亚甲基二胺(HMDA)、三乙醇胺(TEA)、三异丙醇胺(TIPA)中的一种或几种。
优选的,所述有机酸选自油酸、妥儿油脂肪酸、妥尔油、癸二酸、十一碳二元酸、十二碳二元酸中的一种或几种。
优选的,所述缓蚀剂选自苯并三氮唑(BTA)、甲基苯并三氮唑(TTA)、巯基苯并噻唑(MBT)、萘并三唑(NTA)、二巯基噻二唑(DMTDA)、8-羟基喹啉中的一种或几种。
优选的,所述润滑剂选自合成酯、脂肪醇、氯化石蜡中的一种或几种。
优选的,所述合成酯选自油酸异辛酯、三羟甲基丙烷油酸酯、季戊四醇油酸酯中的一种或几种。
优选的,所述脂肪醇为碳链长度12~24的一元脂肪醇。
优选的,所述氯化石蜡为碳链长度大于13的中链或长链氯化石蜡;所述氯化石蜡的氯元素含量40%~60%。
优选的,所述表面活性剂选自司盘(SPAN)、异构十三醇聚氧乙烯醚、油醇聚氧乙烯醚、石油磺酸钠中的一种或几种。
优选的,所述醚选自乙二醇单丁醚、二乙二醇单丁醚、2-甲基-2,4-戊二醇 、二丙二醇丁醚、乙二醇苯醚中的一种或几种。
优选的,所述杀菌剂选自六氢-1,3,5-三(羟乙基)均三嗪(BK)、六氢-1,3,5-三(2-羟基丙基)均三嗪(HPT)、六氢-1,3,5-三乙基均三嗪(HTT)、三甲基均三嗪(TMT)、N,N’-亚甲基双吗啉(MBM)、苯并异噻唑啉-3-酮(BIT)、正丁基-1,2-苯异噻唑啉-3-酮(BBIT)、3-碘-2-丙炔基丁基氨基甲酸酯(IPBC)、四硼酸钠中的一种或几种。
优选的,所述消泡剂选自乳化硅油、乳化硅氧烷类市售商品中的一种或几种。
优选的,所述水为经过滤工艺制得的纯净水或工业自来水。
本发明还提供上述乳化型切削液的制备方法,包括如下步骤:按重量百分比计,先将6%~15%的有机胺、5%~15%的有机酸、适量的水在40~70℃的条件下反应完全至透明,其中水的用量为有机胺和有机酸总量的10~50%;
然后加入其余的水量,搅拌均匀后,依次加入10%~60%的矿物油、0.1%~10%的缓蚀剂、0~25%的润滑剂、5%~15%的表面活性剂、0~10%的醚,搅拌均匀,并在温度低于40℃的条件下加入0~6%的杀菌剂和0~1%的消泡剂,持续搅拌20~40min而成。
本发明的优点和有益效果在于:提供一种乳化型切削液,其适用于铜、铜合金机加工,对铜离子化倾向具有显著的抑制作用。
本发明乳化型切削液还具有卓越的铜材保护、润滑、防锈及生物稳定等性能。
具体实施方式
下面结合实施例,对本发明的具体实施方式作进一步描述。以下实施例仅用于更加清楚地说明本发明的技术方案,而不能以此来限制本发明的保护范围。
本发明提供一种乳化型切削液,包括按重量百分比计的以下组分:
矿物油 10%~60%,
有机胺 6%~15%,
有机酸 5%~15%,
缓蚀剂 0.1%~10%,
润滑剂 0~25%,
表面活性剂 5%~15%,
醚 0~10%,
杀菌剂 0~6%,
消泡剂 0~1%,
以及余量的水。
所述矿物油为环烷基矿物油,其40℃运动粘度为4.5~75 mm2/s。
所述有机胺选自四甲基己二胺(TMHDA)、二甲基苄胺(BDMA)、二甘醇胺(DGA)、六亚甲基二胺(HMDA)、三乙醇胺(TEA)、三异丙醇胺(TIPA)中的一种或几种。
所述有机酸选自油酸、妥儿油脂肪酸、妥尔油、癸二酸、十一碳二元酸、十二碳二元酸中的一种或几种。
所述缓蚀剂选自苯并三氮唑(BTA)、甲基苯并三氮唑(TTA)、巯基苯并噻唑(MBT)、萘并三唑(NTA)、二巯基噻二唑(DMTDA)、8-羟基喹啉中的一种或几种。
所述润滑剂选自合成酯、脂肪醇、氯化石蜡中的一种或几种。
所述合成酯选自油酸异辛酯、三羟甲基丙烷油酸酯、季戊四醇油酸酯中的一种或几种。
所述脂肪醇为碳链长度12~24的一元脂肪醇。
所述氯化石蜡为碳链长度大于13的中链或长链氯化石蜡;所述氯化石蜡的氯元素含量40%~60%。
所述表面活性剂选自司盘(SPAN)、异构十三醇聚氧乙烯醚、油醇聚氧乙烯醚、石油磺酸钠中的一种或几种。
所述醚选自乙二醇单丁醚、二乙二醇单丁醚、2-甲基-2,4-戊二醇 、二丙二醇丁醚、乙二醇苯醚中的一种或几种。
所述杀菌剂选自六氢-1,3,5-三(羟乙基)均三嗪(BK)、六氢-1,3,5-三(2-羟基丙基)均三嗪(HPT)、六氢-1,3,5-三乙基均三嗪(HTT)、三甲基均三嗪(TMT)、N,N’-亚甲基双吗啉(MBM)、苯并异噻唑啉-3-酮(BIT)、正丁基-1,2-苯异噻唑啉-3-酮(BBIT)、3-碘-2-丙炔基丁基氨基甲酸酯(IPBC)、四硼酸钠中的一种或几种。
所述消泡剂选自乳化硅油、乳化硅氧烷类市售商品中的一种或几种。
所述水为经过滤工艺制得的纯净水或工业自来水。
本发明还提供上述乳化型切削液的制备方法,包括如下步骤:按重量百分比计,先将6%~15%的有机胺、5%~15%的有机酸、适量的水在40~70℃的条件下反应完全至透明,其中水的用量为有机胺和有机酸总量的10~50%;
然后加入其余的水量,搅拌均匀后,依次加入10%~60%的矿物油、0.1%~10%的缓蚀剂、0~25%的润滑剂、5%~15%的表面活性剂、0~10%的醚,搅拌均匀,并在温度低于40℃的条件下加入0~6%的杀菌剂和0~1%的消泡剂,持续搅拌20~40min而成。
本发明的具体实施例如下:
实施例1
一种乳化型切削液,其配方如下表所示:
本实施例的乳化型切削液为高含油量产品,具有卓越的铜材保护、润滑、防锈及生物稳定等性能。
本实施例乳化型切削液的技术指标如下表所示:
与市售铜材切削液的缓蚀性能对比:
试验方法:将样品使用纯水稀释至5%浓度,取该稀释液50g置于100mL具塞量筒内,然后加入1g紫铜粉(200目筛下物)和1g黄铜粉(200目筛下物),混合均匀后静置在温度为20~25℃的环境中,48h后对稀释液取样,使用ICP法检测稀释液中的铜离子含量。
实施例2
一种乳化型切削液,其配方如下表所示:
本实施例的乳化型切削液为低含油量产品,具有卓越的铜材保护、减摩、防锈及生物稳定等性能。
本实施例乳化型切削液的技术指标如下表所示:
与市售铜材切削液的缓蚀性能对比:
介质型号 | 本实施例 | 市售品C | 市售品D |
Cu离子含量(ppm) | 25 | 328 | 79 |
试验方法:将样品使用纯水稀释至5%浓度,取该稀释液50g置于100mL具塞量筒内,然后加入1g紫铜粉(200目筛下物)和1g黄铜粉(200目筛下物),混合均匀后静置在温度为20~25℃的环境中,48h后对稀释液取样,使用ICP法检测稀释液中的铜离子含量。
实施例1乳化型切削液、实施例2乳化型切削液与市售铜材切削液的对比证明了本发明乳化型切削液在铜、铜合金加工应用中,对铜材保护的优越性能。
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,在不脱离本发明技术原理的前提下,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 (1)
1.一种乳化型切削液制备方法,其特征在于,包括如下步骤:按重量百分比计,先将5%的四甲基己二胺、4%的三异丙醇胺、3%的二甘醇胺、7.5%的妥尔油脂肪酸、4%的十二碳二元酸、适量的纯净水在40~70℃的条件下反应完全至透明,其中水的用量为四甲基己二胺、三异丙醇胺、二甘醇胺、妥尔油脂肪酸和十二碳二元酸总量的10~50%;然后加入其余的水量,搅拌均匀后,依次加入37.8%的环烷基油T22、0.5%的BTA、1%的MBT、5%的三羟甲基丙烷油酸酯、3%的十六醇、6%的司盘80、3.5%的油醇聚氧乙烯醚20EO、5%的石油磺酸钠、0.5%的二乙二醇单丁醚,搅拌均匀,并在温度低于40℃的条件下加入3%的BIT、0.5%的BBIT和0.2%的乳化硅油,持续搅拌20~40min而成;其中,纯净水的总用量为10.5%。
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