Fatty amine polyoxyethylene ether carboxylate and preparation method thereof
A technology of aliphatic amine polyoxyethylene ether carboxylate and fatty amine polyoxyethylene ether, which is applied in the field of fatty amine polyoxyethylene ether carboxylate and its preparation, can solve the problem of poor thermal stability of foaming agents and cannot meet the needs of foam flooding and other issues to achieve the effect of increasing stability
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0025] Synthesis of Dodecylamine Polyoxyethylene (7) Ether Carboxylate
[0026] (1) Add 93g (0.5 moles) of dodecylamine and 1% potassium hydroxide catalyst of amine weight to the reactor equipped with condensing device, stirring device and gas disperser, heat the system temperature to 80-90°C, and turn on Vacuum system, dehydrated under high vacuum for 1 hour, then purged with nitrogen for 3 to 4 times to remove the air in the system, then adjusted the reaction temperature of the system to 120°C and slowly introduced 154g of ethylene oxide, controlling the pressure from 0.1 to 1.0MPa, temperature 120-180°C, carry out alkoxylation reaction; after the reaction, remove unreacted ethylene oxide, neutralize after cooling, decolorize, filter, and dehydrate to obtain dodecylamine polyoxyethylene (7) ether.
[0027] (2) 240 g (0.5 moles) of dodecylamine polyoxyethylene (7) ether synthesized in step (1) was started to heat up the stirring device to 70° C. and slowly added dropwise an ...
Embodiment 2
[0031] Synthesis of Dodecylamine Polyoxyethylene (3) Ether Carboxylate
[0032] (1) Add 93g (0.5 moles) of dodecylamine and 1% potassium hydroxide catalyst of amine weight to the reactor equipped with condensing device, stirring device and gas disperser, heat the system temperature to 80-90°C, and turn on Vacuum system, dehydrated under high vacuum for 1 hour, then purged with nitrogen for 3 to 4 times to remove the air in the system, then adjusted the reaction temperature of the system to 120°C and slowly introduced 70g of ethylene oxide, controlling the pressure from 0.1 to 1.0MPa, temperature 120-180°C, carry out alkoxylation reaction; after the reaction, remove unreacted ethylene oxide, neutralize after cooling, decolorize, filter, and dehydrate to obtain dodecylamine polyoxyethylene (3) ether.
[0033](2) 160 g (0.5 moles) of dodecylamine polyoxyethylene (3) ether synthesized in step (1) was started to heat up the stirring device to 60° C. and slowly added dropwise an aq...
Embodiment 3
[0036] Synthesis of octadecylamine polyoxyethylene (20) ether carboxylate
[0037] (1) Add 135g (0.5 moles) of octadecylamine and potassium hydroxide catalyst with 1% weight of amine to the reactor equipped with condensing device, stirring device and gas disperser, heat the system temperature to 80-90°C, and turn on Vacuum system, dehydrated under high vacuum for 1 hour, then purged with nitrogen for 3 to 4 times to remove the air in the system, then adjusted the reaction temperature of the system to 120°C and slowly introduced 440g of ethylene oxide, controlling the pressure from 0.1 to 1.0MPa, temperature 120-180°C, carry out alkoxylation reaction; after the reaction, remove unreacted ethylene oxide, neutralize after cooling, decolorize, filter, and dehydrate to obtain octadecylamine polyoxyethylene (20) ether.
[0038] (2) 570 g (0.5 mole) of stearylamine polyoxyethylene (20) ether synthesized in step (1) was started to heat up the stirring device to 80° C. and slowly adde...
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