CN107868690A - 用于精密仪器的抗磨耐热老化润滑脂及其制备方法 - Google Patents
用于精密仪器的抗磨耐热老化润滑脂及其制备方法 Download PDFInfo
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Abstract
本发明公开了用于精密仪器的抗磨耐热老化润滑脂,其由以下重量份数的原料组成:复合基础油100份、稠化剂10~20份、季戊四醇酯8~16份、甲基丙烯酸十二氟庚酯0.5~1.5份、三乙醇胺硼酸酯1~3份、聚烷撑二醇3~6份、烷芳基磺酸钙1~4份、鲸蜡0.5~1.5份、减摩润滑添加剂3~6份、改性添加剂2~7份。本发明采用高质量、高性能化的复合基础油与稠化剂和其他改性原料复合,经简单、有效的制备方法制得了润滑性好、防腐防锈抗磨、耐高低温稳定性良好、耐热老化性优良、可持续性好的润滑脂;本发明得到的润滑脂为细腻、均匀油膏,加工方法简单,使用方便,适用于高精密度的精密仪器。
Description
技术领域
本发明涉及润滑油脂制备技术领域,尤其是涉及一种用于精密仪器的抗磨耐热老化润滑脂及其制备方法。
背景技术
随着科技和社会的不断发展,各种各样的精密仪器得到了广泛的关注和发展,同时人们对各种精密金属零部件装配得到各种产品的使用环境、耐用强度、抗压强度等方面提出了更高的要求。精密仪器在运行过程中许多零部件之间需要使用润滑油脂润滑,以降低零部件之间的运行摩擦/磨损和/或接触不良,或者降低暴露在空气环境下/与空气接触的金属电镀层的氧化。受精密仪器本身的运行特性的影响,其内部核心控制部件在运行过程中容易产生较多的热量,现有的用于精密仪器的润滑脂容易在受温状态下吸热软化、流失、挥发,或者产生热老化现象,严重降低润滑性能;而且许多精密仪器需要在短时/长时间低温环境下运行,例如冬季北方户外环境,要求使用的润滑油脂应该具有良好的耐低温性;同时,使用于精密仪器的润滑油脂还应该具有良好的抗氧化性/抗热氧化性、防水性以及防腐性。
发明内容
本发明的目的是提供一种高低温环境下润滑性良好、耐老化、长效的精密仪器用润滑脂及其制备方法。
本发明解决上述技术问题采用的技术方案为:用于精密仪器的抗磨耐热老化润滑脂,其由以下原料组成:复合基础油、稠化剂、季戊四醇酯、甲基丙烯酸十二氟庚酯、三乙醇胺硼酸酯、聚烷撑二醇、烷芳基磺酸钙、鲸蜡、减摩润滑添加剂、改性添加剂;
所述的原料的重量份数为:复合基础油100份、稠化剂10~20份、季戊四醇酯8~16份、甲基丙烯酸十二氟庚酯0.5~1.5份、三乙醇胺硼酸酯1~3份、聚烷撑二醇3~6份、烷芳基磺酸钙1~4份、鲸蜡0.5~1.5份、减摩润滑添加剂3~6份、改性添加剂2~7份。
进一步地,所述的复合基础油为氢化蓖麻油、聚α烯烃和石蜡油,其质量份比为2~4:1~3:1。
进一步地,所述的稠化剂为锂皂、钙皂或锂钙复合皂稠化剂。
进一步地,所述的减摩润滑添加剂为苯三唑脂肪酸铵盐与甘油单油酸酯和/或甘油二油酸酯,其中苯三唑脂肪酸铵盐占质量比为20~40%。
进一步地,所述的改性添加剂为气相二氧化钛和氮化硅微粉,其质量份比为2~4:1。
所述的用于精密仪器的抗磨耐热老化润滑脂的制备方法,其包括以下步骤:将稠化剂、40~60%量的复合基础油置于皂化釜中混合后,于110~120℃皂化反应1~3h,加入剩余植基基础油继续保温反应0.5~1h,升温至140~155℃并保温30~40min后转移至调和釜冷却回流,冷却至80~90℃时加入其余原料,保温均化研磨,脱气处理,冷却至常温后得到本发明的润滑脂。
与现有技术相比,本发明具备的有益效果为:本发明采用高质量、高性能化的复合基础油与稠化剂和其他改性原料复合,经简单、有效的制备方法制得了润滑性好、防腐防锈抗磨、耐高低温稳定性良好、耐热老化性优良、可持续性好的润滑脂;本发明得到的润滑脂为细腻、均匀油膏,加工方法简单,使用方便,适用于高精密度的精密仪器。
具体实施方式
下面结合具体实施例对本发明做进一步的说明。
实施例1:用于精密仪器的抗磨耐热老化润滑脂,其由以下原料组成:复合基础油、稠化剂、季戊四醇酯、甲基丙烯酸十二氟庚酯、三乙醇胺硼酸酯、聚烷撑二醇、烷芳基磺酸钙、鲸蜡、减摩润滑添加剂、改性添加剂;
所述的原料的重量份数为:复合基础油100份、稠化剂15份、季戊四醇酯12份、甲基丙烯酸十二氟庚酯1份、三乙醇胺硼酸酯2份、聚烷撑二醇4份、烷芳基磺酸钙2份、鲸蜡1份、减摩润滑添加剂5份、改性添加剂4份。
进一步地,所述的复合基础油为氢化蓖麻油、聚α烯烃和石蜡油,其质量份比为3:2:1。
进一步地,所述的稠化剂为锂皂。
进一步地,所述的减摩润滑添加剂为苯三唑脂肪酸铵盐与甘油单油酸酯,其中苯三唑脂肪酸铵盐占质量比为30%。
进一步地,所述的改性添加剂为气相二氧化钛和氮化硅微粉,其质量份比为3:1。
所述的用于精密仪器的抗磨耐热老化润滑脂的制备方法,其包括以下步骤:将稠化剂、50%量的复合基础油置于皂化釜中混合后,于115℃皂化反应1~3h,加入剩余植基基础油继续保温反应40min,升温至145℃并保温35min后转移至调和釜冷却回流,冷却至85℃时加入其余原料,保温均化研磨,脱气处理,冷却至常温后得到本发明的润滑脂。
实施例2:用于精密仪器的抗磨耐热老化润滑脂,其由以下重量份数的原料组成:复合基础油100份、稠化剂10份、季戊四醇酯8份、甲基丙烯酸十二氟庚酯0.5份、三乙醇胺硼酸酯1份、聚烷撑二醇3份、烷芳基磺酸钙1份、鲸蜡0.5份、减摩润滑添加剂3份、改性添加剂2份。
进一步地,所述的复合基础油为氢化蓖麻油、聚α烯烃和石蜡油,其质量份比为2:1:1;所述的稠化剂为钙皂稠化剂,所述的减摩润滑添加剂为苯三唑脂肪酸铵盐与甘油单油酸酯、甘油二油酸酯,其中苯三唑脂肪酸铵盐占质量比为20%;所述的改性添加剂为气相二氧化钛和氮化硅微粉,其质量份比为2:1。
所述的用于精密仪器的抗磨耐热老化润滑脂的制备方法,其包括以下步骤:将稠化剂、40%量的复合基础油置于皂化釜中混合后,于110℃皂化反应3h,加入剩余植基基础油继续保温反应0.5h,升温至140℃并保温40min后转移至调和釜冷却回流,冷却至80℃时加入其余原料,保温均化研磨,脱气处理,冷却至常温后得到本发明的润滑脂。
实施例3:用于精密仪器的抗磨耐热老化润滑脂,其由以下重量份数的原料组成:复合基础油100份、稠化剂20份、季戊四醇酯16份、甲基丙烯酸十二氟庚酯1.5份、三乙醇胺硼酸酯3份、聚烷撑二醇6份、烷芳基磺酸钙4份、鲸蜡1.5份、减摩润滑添加剂6份、改性添加剂7份。
进一步地,所述的复合基础油为氢化蓖麻油、聚α烯烃和石蜡油,其质量份比为4:3:1;所述的稠化剂为锂钙复合皂稠化剂,所述的减摩润滑添加剂为苯三唑脂肪酸铵盐与甘油单油酸酯和/或甘油二油酸酯,其中苯三唑脂肪酸铵盐占质量比为40%;所述的改性添加剂为气相二氧化钛和氮化硅微粉,其质量份比为4:1。
所述的用于精密仪器的抗磨耐热老化润滑脂的制备方法,其包括以下步骤:将稠化剂、60%量的复合基础油置于皂化釜中混合后,于120℃皂化反应1h,加入剩余植基基础油继续保温反应1h,升温至155℃并保温30min后转移至调和釜冷却回流,冷却至90℃时加入其余原料,保温均化研磨,脱气处理,冷却至常温后得到本发明的润滑脂。
实施例4:用于精密仪器的抗磨耐热老化润滑脂,其由以下重量份数的原料组成:复合基础油100份、稠化剂10份、季戊四醇酯16份、甲基丙烯酸十二氟庚酯0.5份、三乙醇胺硼酸酯3份、聚烷撑二醇3份、烷芳基磺酸钙4份、鲸蜡0.5份、减摩润滑添加剂6份、改性添加剂2份。
进一步地,所述的复合基础油为氢化蓖麻油、聚α烯烃和石蜡油,其质量份比为4:1:1;所述的稠化剂为锂皂稠化剂,所述的减摩润滑添加剂为苯三唑脂肪酸铵盐与甘油单油酸酯和/或甘油二油酸酯,其中苯三唑脂肪酸铵盐占质量比为25%;所述的改性添加剂为气相二氧化钛和氮化硅微粉,其质量份比为3:1。
所述的用于精密仪器的抗磨耐热老化润滑脂的制备方法,其包括以下步骤:将稠化剂、45%量的复合基础油置于皂化釜中混合后,于112℃皂化反应1~3h,加入剩余植基基础油继续保温反应50min,升温至150℃并保温33min后转移至调和釜冷却回流,冷却至86℃时加入其余原料,保温均化研磨,脱气处理,冷却至常温后得到本发明的润滑脂。
实施例5:用于精密仪器的抗磨耐热老化润滑脂,其由以下重量份数的原料组成:复合基础油100份、稠化剂12份、季戊四醇酯15份、甲基丙烯酸十二氟庚酯0.6份、三乙醇胺硼酸酯2份、聚烷撑二醇4份、烷芳基磺酸钙2份、鲸蜡0.8份、减摩润滑添加剂4份、改性添加剂6份。
进一步地,所述的复合基础油为氢化蓖麻油、聚α烯烃和石蜡油,其质量份比为7:3:2;所述的稠化剂为锂皂,所述的减摩润滑添加剂为苯三唑脂肪酸铵盐与甘油单油酸酯和/或甘油二油酸酯,其中苯三唑脂肪酸铵盐占质量比为35%;所述的改性添加剂为气相二氧化钛和氮化硅微粉,其质量份比为5:2。
所述的用于精密仪器的抗磨耐热老化润滑脂的制备方法,其具体步骤同实施例1。
上述实施例1-5得到的润滑油为浅褐色细腻油膏,对上述实施例1-5得到的润滑油进行标准化测试,其工作锥入度(0.1mm)280~290,蒸发度(120℃,1h)小于2%m/m,T2铜片腐蚀(100℃,3h)达到1a,氧化安定性(120℃,10h)酸值<0.02mgKOH/g,质地细润,适合作为高精密度的精密仪器用的润滑脂。
Claims (6)
1.用于精密仪器的抗磨耐热老化润滑脂,其特征在于,由以下原料组成:复合基础油、稠化剂、季戊四醇酯、甲基丙烯酸十二氟庚酯、三乙醇胺硼酸酯、聚烷撑二醇、烷芳基磺酸钙、鲸蜡、减摩润滑添加剂、改性添加剂;
所述的原料的重量份数为:复合基础油100份、稠化剂10~20份、季戊四醇酯8~16份、甲基丙烯酸十二氟庚酯0.5~1.5份、三乙醇胺硼酸酯1~3份、聚烷撑二醇3~6份、烷芳基磺酸钙1~4份、鲸蜡0.5~1.5份、减摩润滑添加剂3~6份、改性添加剂2~7份。
2.根据权利要求1所述的用于精密仪器的抗磨耐热老化润滑脂,其特征在于:所述的复合基础油为氢化蓖麻油、聚α烯烃和石蜡油,其质量份比为2~4:1~3:1。
3.根据权利要求1所述的用于精密仪器的抗磨耐热老化润滑脂,其特征在于:所述的稠化剂为锂皂、钙皂或锂钙复合皂稠化剂。
4.根据权利要求1所述的用于精密仪器的抗磨耐热老化润滑脂,其特征在于:所述的减摩润滑添加剂为苯三唑脂肪酸铵盐与甘油单油酸酯和/或甘油二油酸酯,其中苯三唑脂肪酸铵盐占质量比为20~40%。
5.根据权利要求1所述的用于精密仪器的抗磨耐热老化润滑脂,其特征在于:所述的改性添加剂为气相二氧化钛和氮化硅微粉,其质量份比为2~4:1。
6.权利要求1-5任一项所述的用于精密仪器的抗磨耐热老化润滑脂的制备方法,其特征在于,包括以下步骤:将稠化剂、40~60%量的复合基础油置于皂化釜中混合后,于110~120℃皂化反应1~3h,加入剩余植基基础油继续保温反应0.5~1h,升温至140~155℃并保温30~40min后转移至调和釜冷却回流,冷却至80~90℃时加入其余原料,保温均化研磨,脱气处理,冷却至常温后得到本发明的润滑脂。
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