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Binary high internal phase emulsion composition based on silicone oil and vegetable oil

The technology of high internal phase emulsion and vegetable oil is applied in the field of binary high internal phase emulsion composition and preparation thereof, which can solve the problems of limited functional substances, limited application potential, simple structure and the like, and achieve the effect of high storage modulus

Active Publication Date: 2020-07-31
WENZHOU INST UNIV OF CHINESE ACAD OF SCI
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Problems solved by technology

Monolithic high internal phase emulsion has a single form and simple structure, and the functional substances covered are very limited, so the application range is limited, the application potential is limited, and it is difficult to truly transform into the industrial field

Method used

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  • Binary high internal phase emulsion composition based on silicone oil and vegetable oil
  • Binary high internal phase emulsion composition based on silicone oil and vegetable oil

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Embodiment

[0018] The present invention takes the water phase as the continuous phase, disperses two immiscible oils, namely silicone oil and castor oil, in the water phase at the same time, and introduces silica nanoparticles as a stabilizer, and prepares a binary high Internal phase emulsion, in this embodiment, use 0.5 grams of water (containing silica nanoparticles with a mass fraction of 3%), add 1.5 grams of silicone oil, then add 1.5 grams of castor oil, and then manually shake and mix the three mixtures , and then use a homogenizer to shear the mixture at a high speed for 30 seconds at a speed of 8,000 revolutions per second. Here, the order of adding water and the two oils is not important; the size of the sample is limited by the shear radius of the homogenizer, and when the shear radius is large enough, samples of tens of milliliters or even more can be prepared.

[0019] like figure 2 As shown, the left figure is the microstructure of the binary high internal phase emulsion...

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Abstract

The invention discloses a binary high internal phase emulsion composition based on silicone oil and vegetable oil. A water phase is a continuous phase; silicone oil and vegetable oil are dispersed into the water phase at the same time; silicon dioxide nano particles are introduced into the system as a stabilizer, interfacial tension between silicon oil and water and interfacial tension between vegetable oil and water can attract the silicon dioxide nano particles to a water-oil interface to form a compact nano particle protective film layer, and the silicon oil and the vegetable oil have a viscosity, which is at least 50 times that of water under a same temperature condition. The binary high internal phase emulsion has higher stability and storage modulus than unitary high internal phase emulsion, two dispersion phases can be used for transporting and storing different functional substances, and multiple functions can be realized in the same product, so that the application prospect ofthe high internal phase emulsion in the fields of medicines, cosmetics and other industries is greatly expanded.

Description

technical field [0001] The invention belongs to the field of physical chemistry and chemical engineering, and specifically refers to a dual-element high internal phase emulsion composition based on silicone oil and vegetable oil and a preparation method thereof. The dual-element high internal phase emulsion composition can be applied to food, medicine, cosmetics and Other industrial supplies (such as detergents, liquid batteries, polymeric materials, etc.). Background technique [0002] High internal phase emulsion (high internal phase emulsion, HIPE) refers to a type of emulsion whose volume fraction of dispersed phase is greater than 74.05%. The dispersed phase droplets (volume fraction of 30-40%) of ordinary emulsion are dispersed in the continuous phase in the form of unconnected spheres. When the volume of the dispersed phase is increased to make the droplets tightly packed into close-contact spheres, the volume fraction of the dispersed phase will reach 74.05% (such a...

Claims

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Application Information

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IPC IPC(8): B01F3/08
CPCB01F23/4141B01F23/40
Inventor 李涛
Owner WENZHOU INST UNIV OF CHINESE ACAD OF SCI
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