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Multi-emulsion preparation system

A technology for preparing a system and multiple emulsions, which is applied in the field of multiple emulsion preparation systems with cyclic overflow structure characteristics, can solve the problems of low preparation efficiency and poor batch stability, and achieves improved stability, stable preparation, and enhanced pressure stability. Effect

Active Publication Date: 2018-01-30
SOUTHEAST UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Technical problem: the technical problem to be solved by the present invention is to solve the problem of stable and continuous feeding of liquid in the above-mentioned multiple emulsion preparation process, poor batch stability and low preparation efficiency, and to provide a method that ensures the output and uniformity of the emulsion. Circulation overflow multiple emulsion preparation system capable of realizing multiple emulsion preparation under unattended conditions

Method used

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Effect test

Embodiment 1

[0030] A kind of multiple emulsion preparation system under the unattended condition continuous and stable preparation of water-in-oil-in-water double emulsion specific implementation steps:

[0031] (1) To prepare related solutions, 2% F108 aqueous solution can be used for the inner phase, ETPTA can be used as the oil phase for the middle phase, and 2% PVA aqueous solution can be used for the outer phase.

[0032] (2) Add the prepared solution into the inner phase circulation bottle, the middle phase circulation bottle, and the outer phase circulation bottle correspondingly.

[0033] (3) Close all valves, open the controller, adjust the height of each corresponding buffer liquid storage device and overflow device, and use the controller to dynamically control the micropump, so that the flow of each phase is transported into the buffer liquid storage device.

[0034] (4) Open the valves of the outer phase buffer liquid storage device and the valve of the overflow device in seque...

Embodiment 2

[0035] Embodiment 2: The specific implementation steps of a multiple emulsion preparation system for continuous and stable preparation of oil-in-water-oil-in-water triple emulsion under unattended conditions:

[0036] (1) On the basis of the above-mentioned double emulsion preparation device, add a single-channel unit, and replace the microfluidic chip with a microfluidic chip for preparing triple emulsions to form a four-channel system

[0037] (2) Prepare relevant solutions, the water phase can be selected 2% PVA aqueous solution, and the oil phase can be selected ETPTA.

[0038] (3) Add the prepared solution to the first channel circulation bottle (oil phase), the second channel circulation bottle (water phase), the third channel circulation bottle (oil phase), and the fourth channel circulation bottle (water phase).

[0039] (3) Close all valves, open the controller, adjust the height of each corresponding buffer liquid storage device and overflow device, and use the contr...

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Abstract

The invention discloses a multi-emulsion preparation system. The multi-emulsion preparation system comprises a microfluidic chip and a liquid conveying device connected with the microfluidic chip, wherein the microfluidic chip is provided with a plurality of single-phase liquid inlets; the liquid conveying device comprises a controller and a liquid conveying unit connected with the controller; theliquid conveying unit comprises an operation platform, a buffering and liquid storage device, an overflowing device, a circulating bottle and a micro-pump; the operation platform is provided with a first transmission device and a second transmission device; the buffering and liquid storage device is connected onto the first transmission device; the overflowing device is connected onto the secondtransmission device; the operation platform is further provided with a laser height finder; the controller is connected with the laser height finder, the first transmission device and the second transmission device. According to the multi-emulsion preparation system, the inlet amount of fluid is controlled through adjusting an overflowing height and the fluid is stably introduced into the circulating and overflowing multi-emulsion preparation system; the system can be used for stably preparing multi-emulsion under an unattended condition and the stability of the emulsion prepared by differentbatches is improved.

Description

[0001] Field [0002] The invention relates to a multiple emulsion preparation system, in particular to a system with a circulating overflow structure designed to solve the problem of continuous and stable sample injection in the emulsion preparation process, large deviations in the stability of multiple emulsions prepared in different batches, and low emulsion preparation efficiency. Characteristic multiple emulsion preparation system. Background technique [0003] Emulsion is a highly nested structured fluid system, while multiple emulsion is a more complex fluid system in which multiple phases are nested in emulsion. Multiple emulsions are widely used in biomedicine, energy environment, chemical materials and other fields, and their application scenarios are becoming more and more extensive. The traditional multiple emulsion preparation method will cause a lot of waste of raw materials due to the limitation of technology and principle. At the same time, the quality of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F13/00B01F3/08B01L3/00
Inventor 陈永平高崴赵远锦刘向东张程宾
Owner SOUTHEAST UNIV
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