Fluoride-contained crosslinked polyether demulsifier and preparation method thereof
A technology of fluorine-containing polyether and demulsifier, which is applied in the direction of chemical dehydration/demulsification, etc. It can solve the problems of unqualified crude oil for export, cannot meet the requirements of rapid treatment, and the on-site treatment process is short, so as to reduce the moisture content and reduce the The effect of interface strength and fast dehydration rate
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0019] Embodiment 1 adopts the following steps to realize the present invention:
[0020] (1) Add 100g of 4-fluorophenol and 3g of potassium hydroxide into the high-temperature and high-pressure reactor, heat up to 90°C, vacuum dehydrate for 30min, continue to heat up to about 120°C, gradually introduce 900g of propylene oxide, and control the reaction temperature at 120°C ~140°C, pressure lower than 0.4MPa, after reaction in the kettle to negative pressure, keep the reaction at 130°C for 1 hour, and then get 4-fluorophenol polyoxypropylene ether oil head;
[0021] (2) Take 100g of the 4-fluorophenol polyoxypropylene ether oil head synthesized in step (1) of this example, add 1.2g of potassium hydroxide, heat up to 90°C, vacuum dehydrate for 30min, continue to heat up to about 120°C, gradually 200g of propylene oxide was introduced, and the reaction temperature was controlled at 120-140°C, and the pressure was lower than 0.4MPa. After the reaction in the kettle reached negativ...
Embodiment 2
[0023] Embodiment 2 adopts the following steps to realize the present invention:
[0024] (1) Take 100g of the 4-fluorophenol polyoxypropylene ether oil head synthesized in step (1) of Example 1, put in 2.25g of potassium hydroxide, heat up to 90°C, vacuum dehydrate for 30min, and continue to heat up to about 120°C , gradually feed 400g of propylene oxide, and control the reaction temperature at 120-140°C and the pressure below 0.4MPa. After the reaction in the kettle reaches negative pressure, keep the reaction at 130°C for 1h. When the temperature drops to about 110°C, gradually introduce 250g of ethylene oxide, control the reaction temperature to 110-130°C, and the pressure to be lower than 0.4MPa. After the temperature reaches negative pressure, keep warm for 1 hour to obtain 4-fluorophenol polyoxygen Propylene polyoxyethylene ether (B);
[0025] (2) Take 100 g of 4-fluorophenol polyoxypropylene polyoxyethylene ether (B) synthesized in step (1) of this example and place i...
Embodiment 3
[0026] Embodiment 3 adopts the following steps to realize the present invention:
[0027] (1) Add 100g of 3,4-difluorophenol and 4g of potassium hydroxide into the high-temperature and high-pressure reactor, heat up to 90°C, vacuum dehydrate for 30min, continue to heat up to about 120°C, gradually introduce 900g of propylene oxide, and control The reaction temperature is 120-140°C and the pressure is lower than 0.4MPa. After the reaction in the kettle reaches negative pressure, the reaction is carried out at 130°C for 1 hour to obtain 3,4-difluorophenol polyoxypropylene ether oil head;
[0028] (2) Take 100g of the 3,4-difluorophenol polyoxypropylene ether oil head synthesized in step (1) of this example, add 4g of potassium hydroxide, heat up to 90°C, vacuum dehydrate for 30min, and continue to heat up to about 120°C , gradually feed 700g of propylene oxide, and control the reaction temperature at 120-140°C and the pressure below 0.4MPa. After the reaction in the kettle reach...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com