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发明公开
CN1445345A 千斤顶液压油及其制备方法 无效 - 撤回

千斤顶液压油及其制备方法
摘要：
本发明采用深度精致的重粘度指数的加氢基础油，添加性能良好的功能剂，调制出具有抗氧、抗乳化、防锈、防腐和低温性能的千斤顶专用液压油，其特征在于基础油95％－99.5％(w)，添加剂0.5％－5％(w)，其中基础油是加氢100SN、加氢150SN、加氢尾油、HVI150和HVIW60，添加剂是复合添加剂，其制备方法是在基础油升温到60℃－70℃，加入添加剂，连续搅拌90min以上，即得到千斤顶液压油，主要质量指标：VI≥100，凝点≤－35℃，V40＝12～16mm2/S；模拟试验：－20℃时操作次数为定温的1.5倍。
摘要（英）：

A hydraulic oil for jack is prepared from the deeply refined hydrogenated basic oil with high viscosity (95-99.5%), including hydrogenated 100SN, hydrogenated 150SN, hydrogenated tail oil, HVI150 andHVIW60, and composite additive (0.5-5 wt.%), through heating the basic oil to 60-70 deg.C, adding additive and stirring. Its main quality parameters are VI greater than or equal to 100, settling point lower than -35 deg.C and V40=12-16 sq.mm/s. Its advantages are high resistance to oxidizing, emulsifying, rust and corrosion, and good low-temp performance.

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