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A kind of dual element high internal phase emulsion composition based on silicone oil and vegetable oil

A technology of high internal phase emulsion and vegetable oil, which is applied in the field of binary high internal phase emulsion composition and its preparation, can solve the problems of limited functional substances, simple structure, difficult industrial fields, etc., and achieve high storage modulus Effect

Active Publication Date: 2022-03-04
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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  • A kind of dual element high internal phase emulsion composition based on silicone oil and vegetable oil
  • A kind of dual element 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] Such as figure 2 As shown, the left figure is the microstructure of the binary high internal phase emuls...

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Abstract

The invention discloses a dual-element high internal phase emulsion composition based on silicone oil and vegetable oil, which includes a water phase as a continuous phase, disperses the silicone oil and vegetable oil in the water phase at the same time, and introduces silica nanoparticles as a stabilizer. The interfacial tension between silicone oil and vegetable oil and water can attract silicon dioxide nanoparticles to the water-oil interface to form a dense nanoparticle protective film layer. The silicone oil and vegetable oil are selected to have a viscosity of at least 50 times that of water under the same temperature conditions. vegetable oil. The dual-component high internal phase emulsion of the present invention has higher stability and storage modulus than the single-component high internal phase emulsion, and the two dispersed phases can be used to transport and store different functional substances, and can be used in the same product Realizing multiple functions, thus greatly expanding the application prospects of high internal phase emulsions in pharmaceuticals, cosmetics and other industrial fields.

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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Patent Type & Authority Patents(China)
IPC IPC(8): B01F23/40
CPCB01F23/4141B01F23/40
Inventor 李涛
Owner WENZHOU INST UNIV OF CHINESE ACAD OF SCI
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