A kind of high and low temperature instrument oil composition and preparation method thereof
A kind of instrument oil, high and low temperature technology, applied in the direction of lubricating composition, petroleum industry, etc., to achieve the effect of wide service temperature range, excellent anti-wear and anti-friction and anti-scattering properties, good material compatibility
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0056] 1) 89.35 kg of ethyl silicone oil (V 50 =16.85mm 2 / s) and 10 kg of bis(2-ethylhexyl) sebacate were added to the reaction kettle, heated and stirred to 110±5°C, vacuumed to -0.05MPa, and kept at constant temperature and constant vacuum for 60±5 minutes for dehydration ;
[0057] 2) Add 0.3 kg of 2,6-di-tert-butyl-p-cresol, 0.1 kg of N-phenyl-α-naphthylamine, 0.2 kg of dodecenylsuccinic acid and 0.05 kg of benzotriazole , stirred for 15±5 minutes, then cooled to 60±5°C;
[0058] 3) Filter twice through a bag filter with a precision of 1 μm to obtain high and low temperature instrument oil.
Embodiment 2
[0060] 1) 94.4 kg of ethyl silicone oil (V 50 =13.73mm 2 / s) and 5 kg of bis(2-ethylhexyl) adipate were added to the reaction kettle together, heated and stirred to 110±5°C, vacuumed to -0.05MPa, and kept at constant temperature and constant vacuum for 45±5 minutes for dehydration ;
[0061] 2) Add 0.1 kg of 2,6-di-tert-butyl-p-cresol, 0.2 kg of N-phenyl-β-naphthylamine, 0.2 kg of sorbitan monooleate and 0.1 kg of benzotriazepam Azole derivatives, stirred for 15±5 minutes, then cooled to 60±5°C;
[0062] 3) Filter twice through a bag filter with a precision of 1 μm to obtain high and low temperature instrument oil.
Embodiment 3
[0064] 1) 148.2 kg of ethyl silicone oil (V 50 =20.21mm 2 / s) and 50 kg of bis(2-ethylhexyl) sebacate were added to the reaction kettle together, heated and stirred to 120°C±5°C, vacuumed to -0.05MPa, and kept at constant temperature and constant vacuum for dehydration at 60±5 minute;
[0065] 2) sequentially add 0.4 kg of 4,4'-methyl bisphenol, 0.7 kg of octylbutyl diphenylamine, 0.2 kg of dodecenyl succinic acid and 0.2 kg of sorbitan monooleate, 0.1 Kg of benzotriazole and 0.2 kg of 2,5-dithio-1,3,4-thiadiazole derivatives, stirred for 15±5 minutes, then cooled to 60±5°C;
[0066] 3) Filter twice through a bag filter with a precision of 1 μm to obtain high and low temperature instrument oil.
PUM
| Property | Measurement | Unit |
|---|---|---|
| pour point | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
Login to View More