Castor oil-based aqueous lubricant used for medical instruments and preparation method thereof
A water-based lubricant, castor oil-based technology, applied in the field of castor oil-based water-based lubricants for medical devices and its preparation, can solve the problems of poor stability, pollution, and easy accumulation of organic silicon lubricants in the ecological environment, and achieve stability And the effect of excellent dilution stability, extended service life and easy degradation
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Embodiment 1
[0032] industrial castor oil oil phase 5% Span 60 / Tween 60 (8 / 2) emulsifier system 5% cetearyl alcohol co-emulsifier 1% Sodium dodecyl sulfate co-emulsifier 0.5% Defoamer Defoamer 0.05% water to 100%
[0033] The industrial castor oil has an iodine value of 82, a saponification value of 176, and an acid value of 4.
[0034] Preparation:
[0035] Heat the emulsifier system and water to 50°C under stirring conditions to obtain an emulsifier aqueous solution; mix industrial castor oil, co-emulsifier and defoamer with the emulsifier aqueous solution and then ultrasonically emulsify. The ultrasonic power is 100W and the ultrasonic interval is 1s. , Ultrasonic time is 100min, cooled to room temperature.
Embodiment 2
[0037] industrial castor oil oil phase 15% Span 60 / Tween 60 (8 / 2) emulsifier system 7.5% cetearyl alcohol co-emulsifier 2% Sodium dodecyl sulfate co-emulsifier 1% Defoamer Defoamer 0.5% water to 100%
[0038] The industrial castor oil has an iodine value of 90, a saponification value of 186, and an acid value of 4.
[0039] Preparation:
[0040] Heat the emulsifier system and water to 90°C under stirring conditions to obtain an aqueous emulsifier solution; mix industrial castor oil, co-emulsifiers and defoamers with the aqueous emulsifier solution and then ultrasonically emulsify. The ultrasonic power is 2000W and the ultrasonic interval is 1s. , ultrasonic time is 5min, cooled to room temperature.
Embodiment 3
[0042] industrial castor oil oil phase 10% Span 80 / Tween 60 (3 / 7) emulsifier system 20% Dodecanol co-emulsifier 2% Sodium dodecyl sulfate co-emulsifier 3% Defoamer Defoamer 0.8% water to 100%
[0043] The industrial castor oil has an iodine value of 86, a saponification value of 180, and an acid value of 4.
[0044] Preparation:
[0045] Heat the emulsifier system and water to 75°C under stirring conditions to obtain an aqueous emulsifier solution; mix industrial castor oil, co-emulsifiers and defoamers with the aqueous emulsifier solution and then ultrasonically emulsify. The ultrasonic power is 100W and the ultrasonic interval is 15s. , Ultrasonic time is 60min, cooled to room temperature.
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