CN111778093A - 一种钛合金丝材高温拉拔油基润滑剂及其制备方法 - Google Patents

一种钛合金丝材高温拉拔油基润滑剂及其制备方法 Download PDF

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CN111778093A
CN111778093A CN202010778008.6A CN202010778008A CN111778093A CN 111778093 A CN111778093 A CN 111778093A CN 202010778008 A CN202010778008 A CN 202010778008A CN 111778093 A CN111778093 A CN 111778093A
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titanium alloy
oil
agent
alloy wire
based lubricant
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冯晶
张习乾
汪俊
李振军
王院宏
王峰
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Shaanxi Gaojingjian New Material Technology Co ltd
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Abstract

本发明公开了一种钛合金丝材高温拉拔油基润滑剂,由基础油、固体润滑剂、增稠剂、分散剂、偶联剂、消泡剂、极压剂、阻燃剂、防锈缓蚀剂、杀菌剂和水混合后得到,其中,各材料的质量百分数具体为:基础油25~35%;固体润滑剂20~30%;增稠剂3~10%;分散剂2~4.5%;偶联剂1~3%;消泡剂0.5~1%;极压剂0.5~2%;阻燃剂0.3~2%;防锈缓蚀剂0.2~1.5%;杀菌剂0.1~1%;水余量;本发明中通过加入偶联剂和阻燃剂,可以保证固体润滑剂未能与基础油有效结合,得到的体系均匀,固体润滑剂不会沉淀,得到的油基润滑剂不会出现分层,无絮凝沉降等现象,钛合金丝材高温热拉拔过程中润滑膜不会脱落,可以保证在钛合金现在表面形成连续的润滑膜。

Description

一种钛合金丝材高温拉拔油基润滑剂及其制备方法
技术领域
本发明涉及高温拉拔润滑剂技术领域,特别是一种钛合金丝材高温拉拔油基润滑剂及其制备方法。
背景技术
钛合金由于具有密度小、比强度高、屈强比高、较高的蠕变抗力、熔点高、耐腐蚀、良好弹性和无磁性等优点而广泛应用于航空航天领域。钛合金制造的螺栓、螺钉、螺柱、螺母、垫圈、铆钉等紧固件在飞机及航天器上用量极大,钛合金紧固件替代钢制紧固件后,飞机及航天器重量大大减轻,这极大提高飞机和航天器推力、增加射程、节省燃料,降低成本。随着先进军民用飞机钛合金和复合材料的用量不断增加,对钛合金紧固件的需求日益加大,制造紧固件所用钛合金丝材的拉拔要求也不断提高。
拉拔生产丝材具有尺寸精度高,表面光洁度高、设备及模具简单等优点,对后续紧固件的生产制造有着积极影响。拉拔过程中,坯料穿过模具,拉拔时由于摩擦而产生热量,甚至发生粘着,使得拉拔难以进行,会严重损耗模具,增加成本,降低效率。因此,需要减小坯料与模具间的摩擦,这就要求坯料和模具间具有良好的润滑效果。
钛合金变形抗力高、塑性低、导热系数低,与模具间摩擦系数大,拉拔过程中由于坯料与模具间的摩擦产生大量热量,再加上高温拉拔时温度高,产生热量更多。高温下一旦润滑条件恶化,便对模具损耗大、且大大降低丝材表面质量、易断线。因此,润滑介质是影响钛合金丝材质量的重要因素之一。
现有的油基润滑介质通常用于冷拉拔,其基础油多用的是传统机械油、液压油等。在钛合金高温拉拔过程中成膜性差,润滑膜不均匀,易被烧蚀,附着性差,润滑膜极易破坏,润滑条件的恶化使得钛合金坯料与模具直接接触,高温高速拉拔过程中产生粘着,损坏模具,丝材表面产生缺陷,造成拉拔中断,降低生产效率,增加成本,而且拉拔过程中,产生大量难闻气味,危害环境和人体健康。
发明内容
本发明的目的是提供一种钛合金丝材高温拉拔油基润滑剂及其制备方法,高温高速拉拔时在钛合金丝材表面形成连续润滑膜,提高模具使用寿命,降低拉拔成本。
本发明采用以下技术方案:一种钛合金丝材高温拉拔油基润滑剂,由基础油、固体润滑剂、增稠剂、分散剂、偶联剂、消泡剂、极压剂、阻燃剂、防锈缓蚀剂、杀菌剂和水混合后得到,其中,各材料的质量百分数具体为:
Figure BDA0002619186190000021
上述材料的总含量为100%。
进一步地,基础油为氧化菜油、季戊四醇油酸酯、精制蓖麻油、精制妥尔油或棕榈油。
进一步地,固体润滑剂为石墨、二硫化钼、氟化石墨、氟化镧、氟化钙、纳米氧化钇、滑石粉、六方氮化硼或二硫化钨。
进一步地,增稠剂为海藻酸钠、羟乙基纤维素、甲基纤维素、淀粉、羧甲基纤维素钠、丙烯酸、双丙烯酸丁二酯或水性聚氨酯。
进一步地,分散剂为二烷基磺基琥珀酸盐、硬脂酸单甘油酯、聚乙二醇烷基芳基醚磺酸钠、烷基酚聚乙烯醚、山梨糖醇烷基化物、聚氧乙烯烷基酚基醚或高岭土。
进一步地,偶联剂为硅烷偶联剂、钛酸酯偶联剂、3-氨丙基三甲氧基硅烷、松香季戊四醇酯-PER-145N、浅色松香甘油酯-GER-85L或PE蜡。
进一步地,阻燃剂为磷酸甲苯二苯酯、二叔丁基-苯基磷酸酯、三甲苯基磷酸酯、三丁基磷酸酯、丁基-二苯基磷酸酯或氢氧化铝。
进一步地,极压剂为硫化极压剂、硫化脂肪酸酯T2810、聚酯乳化剂、Hostaphat1349、水溶性聚酯或自乳化抗磨聚酯。
进一步地,杀菌剂为NEUF656、六氢化-1,3,5三甲基-(S)-三嗪、六氢三嗪恶唑啉、三羟甲基-硝基甲烷、邻苯基酚、邻苯基酚钠或2-苯基-苯酚。
本发明的另一种技术方案:一种钛合金丝材高温拉拔油基润滑剂的制备方法,其特征在于,包括以下步骤:
将基础油、分散剂、偶联剂、固体润滑剂、水按比例加入容器,70-90℃恒温水浴,搅拌均匀,得到第一混合溶液;
向第一混合溶液加入增稠剂、防锈缓蚀剂、杀菌剂及消泡剂,搅拌均匀,得到第二混合溶液;
向第二混合溶液中加入极压剂、阻燃剂,搅拌均匀,冷却至室温,得到钛合金丝材高温拉拔油基润滑剂。
本发明的有益效果是:本发明中通过加入偶联剂和阻燃剂,可以保证固体润滑剂未能与基础油有效结合,得到的体系均匀,固体润滑剂不会沉淀,得到的油基润滑剂不会出现分层,无絮凝沉降等现象,钛合金丝材高温热拉拔过程中润滑膜不会脱落,可以保证在钛合金现在表面形成连续的润滑膜。
附图说明
图1为本发明实施例1中得到的油基润滑剂的SEM图。
具体实施方式
下面结合附图和具体实施方式对本发明进行详细说明。
随着现代工业的飞速发展,拉拔速度也逐渐提高,对钛合金丝材表面质量要求大幅提高,环保要求也越来越严,这就对钛丝拉拔润滑剂提出很高的要求,既要有良好的润滑性能、冷却性能,拉拔时能在拉拔材料表面形成牢固的膜,降低摩擦系数;又不能影响下一道工序,拉拔后易从拉拔产品表面去除。
因此,为满足高温高速拉拔时的润滑,得到质量优良的钛合金丝材,有必要开发出一种新型综合性能优良的高温钛合金拉拔润滑剂。
本发明公开了一种钛合金丝材高温拉拔油基润滑剂,一种钛合金丝材高温拉拔油基润滑剂,其特征在于,由基础油、固体润滑剂、增稠剂、分散剂、偶联剂、消泡剂、极压剂、阻燃剂、防锈缓蚀剂、杀菌剂和水混合后得到,其中,各材料的质量百分数具体为:
基础油25~35%;固体润滑剂20~30%;增稠剂3~10%;分散剂2~4.5%;偶联剂1~3%;消泡剂0.5~1%;极压剂0.5~2%;阻燃剂0.3~2%;防锈缓蚀剂0.2~1.5%;杀菌剂0.1~1%;水余量;上述材料的总含量为100%。
在本发明的一个实施例中,基础油为氧化菜油、季戊四醇油酸酯、精制蓖麻油、精制妥尔油或棕榈油。固体润滑剂为石墨、二硫化钼、氟化石墨、氟化镧、氟化钙、纳米氧化钇、滑石粉、六方氮化硼或二硫化钨。增稠剂为海藻酸钠、羟乙基纤维素、甲基纤维素、淀粉、羧甲基纤维素钠、丙烯酸、双丙烯酸丁二酯或水性聚氨酯。分散剂为二烷基磺基琥珀酸盐、硬脂酸单甘油酯、聚乙二醇烷基芳基醚磺酸钠、烷基酚聚乙烯醚、山梨糖醇烷基化物、聚氧乙烯烷基酚基醚或高岭土。偶联剂为硅烷偶联剂、钛酸酯偶联剂、3-氨丙基三甲氧基硅烷、松香季戊四醇酯-PER-145N、浅色松香甘油酯-GER-85L或PE蜡。阻燃剂为磷酸甲苯二苯酯、二叔丁基-苯基磷酸酯、三甲苯基磷酸酯、三丁基磷酸酯、丁基-二苯基磷酸酯或氢氧化铝。极压剂为硫化极压剂、硫化脂肪酸酯T2810、聚酯乳化剂、Hostaphat1349、水溶性聚酯或自乳化抗磨聚酯。杀菌剂为NEUF656、六氢化-1,3,5三甲基-(S)-三嗪、六氢三嗪恶唑啉、三羟甲基-硝基甲烷、邻苯基酚、邻苯基酚钠或2-苯基-苯酚。消泡剂为有机硅消泡剂、聚二甲基硅氧烷、二甲基硅油、聚氧乙烯聚氧丙醇胺醚、聚氧丙烯甘油醚、聚乙二醇、丙烯酸酯与环氧丙烷共聚物。防锈缓蚀剂为苯并三氮唑、脂肪酸二乙醇胺酰胺、酰胺己酸环己胺盐、石油磺酸钠、十二烯基丁二酸、环烷酸锌、二羧酸盐基复合剂。
本发明中通过加入偶联剂和阻燃剂,可以保证固体润滑剂未能与基础油有效结合,得到的体系均匀,固体润滑剂不会沉淀,得到的油基润滑剂不会出现分层,无絮凝沉降等现象,钛合金丝材高温热拉拔过程中润滑膜不会脱落,可以保证在钛合金现在表面形成连续的润滑膜。
本发明还公开了一种钛合金丝材高温拉拔油基润滑剂的制备方法,具体步骤为:
将基础油、分散剂、偶联剂、固体润滑剂、水按比例加入容器,70-90℃恒温水浴,充分搅拌30min;在此过程中,分散剂缩短各组分的分散时间,防止各组分絮凝、沉降,防止各组分粒子间聚集成团;固体润滑剂一般不溶于基础油和水,偶联剂将二者无机与有机机团联结,从而起到协同作用。
往上述所得混合溶液加入增稠剂、防锈缓蚀剂、杀菌剂及消泡剂,搅拌20min;增稠剂通过疏水主链与周围水分子通过氢键缔合,能够防止流挂、调整体系的粘度。
最后加入极压剂、阻燃剂,搅拌10min,均匀混合后冷却至室温即得。极压剂含的S、P、Cl、I等有机化合物,高温下与金属表面形成化学润滑膜、防止高负荷下发生熔结、卡咬、划痕、刮伤;阻燃剂则通过提高聚合物热容,使其在达到热分解温度前吸收更多的热量,高温条件下,降低可燃物表面温度、有效抑制可燃性气体的生成,阻止燃烧蔓延,从而提高阻燃性能。
本发明的润滑剂适用于高温拉拔,成膜性好,润滑膜连续;可用于高速拉拔;使用后拉拔的钛丝表面光洁,质量好;后续表面涂覆的润滑剂易清洗去除,对环境无污染。
实施例1:
步骤一、将25g季戊四醇油酸酯、3g聚乙二醇烷基芳基醚磺酸钠、2.6g硅烷偶联剂、27g二硫化钼及33.5g水加入容器,75℃恒温水浴,搅拌30min;
步骤二、往步骤一所得混合溶液加入5g甲基纤维素、0.3g苯并三氮唑、0.2gNEUF656杀菌剂、0.5g聚二甲基硅氧烷,搅拌20min;
步骤三、加入1.5g硫化脂肪酸酯T2810、1.4g磷酸甲苯二苯酯,搅拌10min,均匀混合后冷却至室温即得。
图1为本实施例得到的油基润滑剂的SEM图,从该图中可看到涂层分布均匀,致密无大颗粒团聚,表示该油基润滑剂体系均匀,固体润滑剂未沉淀,未出现分层,无絮凝、沉降等现象;涂抹过程中无流挂,形成的润滑膜均匀连续,780℃时没因高温烧蚀产生脱落。
实施例2:
步骤一、将30g精制妥尔油、3.5g聚氧乙烯烷基酚基醚、1.5g钛酸酯偶联剂、28g二硫化钨及28.2g水加入容器,80℃恒温水浴,搅拌25min;
步骤二、往步骤一所得混合溶液降入6g羟乙基纤维素、0.5g石油磺酸钠、0.4g邻苯基酚、0.6g二甲基硅油,搅拌30min;
步骤三、最后加入0.7g聚酯乳化剂、0.6g三甲苯基磷酸酯,搅拌15min,均匀混合后冷却至室温即得。
本发明实施例得到的油基润滑剂体系均匀,分散时间短,固体润滑剂未沉淀,未出现分层,体系中无絮凝、沉降等现象;体系稍稠,形成的润滑膜连续,700℃时产生少许脱落。
实施例3:
步骤一、将32g精制蓖麻油、2.5g烷基酚聚乙烯醚、1.7g松香季戊四醇酯-PER-145N、25g六方氮化硼及28.3g水加入容器,85℃恒温水浴,搅拌40min;
步骤二、往步骤一所得混合溶液降入7g海藻酸钠、0.6g十二烯基丁二酸、0.8g邻苯基酚钠、0.9g聚二甲基硅氧烷,搅拌26min;
步骤三、最后加入0.5g硫化极压剂、0.7g二叔丁基-苯基磷酸酯,搅拌14min,均匀混合后冷却至室温即得。
本发明实施例得到的油基润滑剂体系均匀,固体润滑剂未沉淀,未出现分层,体系中无絮凝、沉降等现象;体系黏稠,形成的润滑膜连续,710℃时产生少许脱落。
实施例4:
步骤一、将29g棕榈油、2.7g二烷基磺基琥珀酸盐、1.2g浅色松香甘油酯-GER-85L、27g石墨及33g水加入容器,90℃恒温水浴,搅拌45min;
步骤二、往步骤一所得混合溶液加入3g丙烯酸、1.2g环烷酸锌、0.1g 2-苯基-苯酚、0.7g环氧丙烷共聚物,搅拌30min;
步骤三、最后加入1.7g水溶性聚酯、0.4g三丁基磷酸酯,搅拌25min,均匀混合后冷却至室温即得。
本发明实施例得到的油基润滑剂体系均匀,固体润滑剂未沉淀,未出现分层,体系中无絮凝、沉降等现象;体系粘度稍低,形成的润滑膜连续,700℃时产生烧蚀。
实施例5:
步骤一、将28g氧化菜油KL450、3g山梨糖醇烷基化物、1g硅烷偶联剂、29g二硫化钼及29.9g水加入容器,75℃恒温水浴,搅拌35min;
步骤二、往步骤一所得混合溶液加入5g甲基纤维素、0.9g苯并三氮唑、0.5gNEUF656杀菌剂、0.5g聚二甲基硅氧烷,搅拌25min;
步骤三、最后加入1.2g硫化脂肪酸酯T2810、1g磷酸甲苯二苯酯,搅拌15min,均匀混合后冷却至室温即得。
实施例6:
步骤一、将33g精制妥尔油、3.5g聚乙二醇烷基芳基醚磺酸钠、1.8gPE蜡、23g滑石粉及29.5g水加入容器,75℃恒温水浴,搅拌40min
步骤二、往步骤一所得混合溶液加入7g双丙烯酸丁二酯、0.2g二羧酸盐基复合剂、0.9g丙烯酸酯与环氧丙烷共聚物,搅拌30min;
步骤三、最后加入0.8g聚酯乳化剂、0.3g丁基-二苯基磷酸酯,搅拌15min,均匀混合后冷却至室温即得。
实施例7:
步骤一、将31g季戊四醇油酸酯、3g高岭土、1.7g硅烷偶联剂、26g纳米氧化钇及25.95g水加入容器,75℃恒温水浴,搅拌35min;
步骤二、往步骤一所得混合溶液加入8g水性聚氨酯、0.8g石油磺酸钠、0.35g三羟甲基-硝基甲烷、0.65g丙烯酸酯,搅拌20min;
步骤三、最后加入1.7gHostaphat 1349、1.2g二叔丁基-苯基磷酸酯酯,搅拌15min,均匀混合后冷却至室温即得。
实施例8:
步骤一、将27g棕榈油、4g硬脂酸单甘油酯、1.9g3-氨丙基三甲氧基硅烷、24g氟化镧及28.3g水加入容器,90℃恒温水浴,搅拌40min;
步骤二、往步骤一所得混合溶液加入9g淀粉、1.1g脂肪酸二乙醇胺酰胺、0.7g邻苯基酚、0.9g聚氧丙烯甘油醚,搅拌25min;
步骤三、最后加入1.8g自乳化抗磨聚酯、1.3g三丁基磷酸酯,搅拌20min,均匀混合后冷却至室温即得。
实施例9:
步骤一、将35g精制妥尔油、4.5g聚乙二醇烷基芳基醚磺酸钠、2.5g硅烷偶联剂、20g氟化钙及23.9g水加入容器,75℃恒温水浴,搅拌30min;
步骤二、往步骤一所得混合溶液加入8.5g羟乙基纤维素、1.2g脂肪酸二乙醇胺酰胺、0.6g六氢化-1,3,5三甲基-(S)-三嗪、0.5g聚氧丙烯甘油醚,搅拌25min;
步骤三、最后加入1.3g硫化极压剂、2g氢氧化铝,搅拌15min,均匀混合后冷却至室温即得。
实施例10:
步骤一、将34g季戊四醇油酸酯、2g山梨糖醇烷基化物、3g钛酸酯偶联剂、30g氟化石墨及14.1g水加入容器,75℃恒温水浴,搅拌40min;
步骤二、往步骤一所得混合溶液加入10g羧甲基纤维素钠、1.5g苯并三氮唑、1g六氢三嗪恶唑啉、1g有机硅消泡剂,搅拌30min;
步骤三、最后加入2g自乳化抗磨聚酯、1.4g三丁基磷酸酯,搅拌20min,均匀混合后冷却至室温即得。
对比例1:
与实施例1的区别在于,未添加硅烷偶联剂与磷酸甲苯二苯酯。其中,二硫化钼未能与季戊四醇油酸酯有效结合,出现分层,二硫化钼有沉淀析出,且620℃时季戊四醇油酸酯烧蚀,出现脱落,润滑膜不连续。
对比例2:
与实施例1的区别在于,硅烷偶联剂与磷酸甲苯二苯酯添加量分别为3.5g和2.7g,并相应的减少水的重量,二硫化钼少部分团聚,与季戊四醇油酸酯未能完全结合,710℃时出现烧蚀脱落。

Claims (10)

1.一种钛合金丝材高温拉拔油基润滑剂,其特征在于,由基础油、固体润滑剂、增稠剂、分散剂、偶联剂、消泡剂、极压剂、阻燃剂、防锈缓蚀剂、杀菌剂和水混合后得到,其中,各材料的质量百分数具体为:
Figure FDA0002619186180000011
上述材料的总含量为100%。
2.如权利要求1所述的一种钛合金丝材高温拉拔油基润滑剂,其特征在于,所述基础油为氧化菜油、季戊四醇油酸酯、精制蓖麻油、精制妥尔油或棕榈油。
3.如权利要求1所述的一种钛合金丝材高温拉拔油基润滑剂,其特征在于,所述固体润滑剂为石墨、二硫化钼、氟化石墨、氟化镧、氟化钙、纳米氧化钇、滑石粉、六方氮化硼或二硫化钨。
4.如权利要求1所述的一种钛合金丝材高温拉拔油基润滑剂,其特征在于,所述增稠剂为海藻酸钠、羟乙基纤维素、甲基纤维素、淀粉、羧甲基纤维素钠、丙烯酸、双丙烯酸丁二酯或水性聚氨酯。
5.如权利要求1-4任一所述的一种钛合金丝材高温拉拔油基润滑剂,其特征在于,所述分散剂为二烷基磺基琥珀酸盐、硬脂酸单甘油酯、聚乙二醇烷基芳基醚磺酸钠、烷基酚聚乙烯醚、山梨糖醇烷基化物、聚氧乙烯烷基酚基醚或高岭土。
6.如权利要求1所述的一种钛合金丝材高温拉拔油基润滑剂,其特征在于,所述偶联剂为硅烷偶联剂、钛酸酯偶联剂、3-氨丙基三甲氧基硅烷、松香季戊四醇酯-PER-145N、浅色松香甘油酯-GER-85L或PE蜡。
7.如权利要求1或6所述的一种钛合金丝材高温拉拔油基润滑剂,其特征在于,所述阻燃剂为磷酸甲苯二苯酯、二叔丁基-苯基磷酸酯、三甲苯基磷酸酯、三丁基磷酸酯、丁基-二苯基磷酸酯或氢氧化铝。
8.如权利要求7所述的一种钛合金丝材高温拉拔油基润滑剂,其特征在于,所述极压剂为硫化极压剂、硫化脂肪酸酯T2810、聚酯乳化剂、Hostaphat 1349、水溶性聚酯或自乳化抗磨聚酯。
9.如权利要求8所述的一种钛合金丝材高温拉拔油基润滑剂,其特征在于,所述杀菌剂为NEUF656、六氢化-1,3,5三甲基-(S)-三嗪、六氢三嗪恶唑啉、三羟甲基-硝基甲烷、邻苯基酚、邻苯基酚钠或2-苯基-苯酚。
10.一种钛合金丝材高温拉拔油基润滑剂的制备方法,其特征在于,包括以下步骤:
将基础油、分散剂、偶联剂、固体润滑剂、水按比例加入容器,70-90℃恒温水浴,搅拌均匀,得到第一混合溶液;
向所述第一混合溶液加入增稠剂、防锈缓蚀剂、杀菌剂及消泡剂,搅拌均匀,得到第二混合溶液;
向所述第二混合溶液中加入极压剂、阻燃剂,搅拌均匀,冷却至室温,得到钛合金丝材高温拉拔油基润滑剂。
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