Super amphiphilic molecule emulsifier with responsiveness and emulsion and preparation method thereof

An amphiphilic molecule and emulsifier technology, which is applied in the field of responsive super-amphiphilic molecule emulsifier and its emulsion, can solve the problems of high cost, product pollution, influence of demulsifier system, etc., and achieves low cost and wide adaptability. Effect

Active Publication Date: 2016-05-04
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the demulsifier may affect the system and cause product pollution; the physical method consumes a lot of energy and costs high

Method used

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  • Super amphiphilic molecule emulsifier with responsiveness and emulsion and preparation method thereof
  • Super amphiphilic molecule emulsifier with responsiveness and emulsion and preparation method thereof
  • Super amphiphilic molecule emulsifier with responsiveness and emulsion and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] D230 and oleic acid are magnetically stirred and mixed at a ratio of 1:2.5 by weight to form a super amphiphilic emulsifier. Based on 100 parts by weight, take 49.5 parts of pure water, 1 part of emulsifier and 49.5 parts of crude oil. Put the emulsifier, the water phase and the oil phase together into the reactor, and stir them evenly with magnetic force to form an emulsion.

[0018] The stability and demulsification effect of the prepared emulsion were investigated respectively according to the following methods:

[0019] 1. Stability evaluation: Let the emulsion stand at room temperature for 24 hours, and observe whether there is a clear layering in the appearance. Observations: Stable emulsion, no separation for 24 hours, see figure 1 left image in .

[0020] 2. Evaluation of demulsification effect: Introduce CO into the freshly prepared emulsion 2 Alternatively, add a hydrochloric acid aqueous solution, an aqueous nitric acid aqueous solution, an aqueous sulfur...

Embodiment 2

[0025] Mix D400 and stearic acid with magnetic stirring at a weight ratio of 1:1.4 to form an emulsifier. Based on 100 parts by weight, take 80 parts of pure water, 1 part of emulsifier and 19 parts of paraffin oil. Put the emulsifier, water phase and paraffin oil together into the reactor, and mix evenly under stirring to form an emulsion.

[0026] Investigate the stability and demulsification effect of emulsion in the mode of embodiment 1, the results are as follows:

[0027] 1. The emulsion is stable and does not separate within 24 hours;

[0028] 2. See the table below for the amount (one of them) of the acidic substance added during the oil-water separation of per 100 parts by weight of the emulsion.

[0029]

Embodiment 3

[0031] Mix D400 and capric acid with magnetic stirring at a weight ratio of 1:0.86 to form an emulsifier. Based on 100 parts by weight, take 60 parts of pure water, 2 parts of emulsifier, 19 parts of crude oil and 19 parts of paraffin oil, and mix the crude oil and paraffin oil at a weight ratio of 1:1 to form a thin crude oil. Put the emulsifier, the water phase and the mixed crude oil into the reactor, and mix them evenly under stirring to form an emulsion.

[0032] Investigate the stability and demulsification effect of emulsion in the mode of embodiment 1, the results are as follows:

[0033] 1. The emulsion is stable and does not separate within 24 hours;

[0034] 2. See the table below for the amount (one of them) of the acidic substance added during the oil-water separation of per 100 parts by weight of the emulsion.

[0035]

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Abstract

Provided are a super amphiphilic molecule emulsifier with responsiveness and an emulsion and a preparation method thereof. The emulsifier is prepared from polyetheramine and long-chain fatty acid, and every 100 parts of the emulsion is prepared from, by weight, 49.5-80 parts of aqueous phase, 1-3 parts of the emulsifier and the balance oil phase. Polyetheramine and long-chain fatty acid are mixed to serve as the emulsifier, the emulsifier, the aqueous phase and the oil phase are mixed and stirred to be uniform, and the emulsion is formed. A demulsification method of the emulsion comprises the steps that CO2 is fed into the emulsion, or acid or n-caprylic acid or n-hexylic acid are dropwise added into the emulsion, and standing is conducted after shaking is conducted. The emulsifier has the good pH value or CO2 responsiveness; on one hand, the emulsion stabilized through the emulsifier has long-term stability; on the other hand, the pH value is adjusted by adding the acid or feeding CO2, so that rapid inactivation of the emulsifier is achieved, emulsion demulsification is achieved, the cost is low, and the adaptability is wider.

Description

technical field [0001] The invention relates to a responsive super-amphiphile emulsifier and its emulsion, as well as a preparation method and a demulsification method of the emulsion, and belongs to the technical field of super-amphiphile emulsifiers. Background technique [0002] In recent years, responsive amphiphiles have attracted widespread attention as a green and environmentally friendly chemical product. This kind of amphiphile can be switched between "active" and "inactive" forms, so its surface activity can be controlled, making The emulsification and demulsification process of the emulsion can be reversibly regulated. [0003] The demulsification of emulsion is widely used in practice. The traditional demulsification method is mainly to add demulsifier or physical method (centrifugation, ultrasonic, etc.). However, the demulsifier may affect the system and cause product pollution; the physical method consumes a lot of energy and costs high. Contents of the inv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G65/48C08J3/03
CPCC08G65/48C08J3/03C08J2371/08
Inventor 孙德军卫鹏程徐佩佩李谦郝京诚徐盛明徐政和
Owner SHANDONG UNIV
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