Method for producing transparent liquid marble and liquid marble and application

A technology of transparent liquid and liquid marbles, which is applied in the direction of granulating raw materials, chemical instruments and methods, chemical/physical/physicochemical reactors, etc., and can solve the problem of low transparency, low stability, and the surface of liquid marbles. Low particle density and other problems, to achieve high transparency, high stability, clear observation effect

Inactive Publication Date: 2017-10-17
CHINA UNIV OF PETROLEUM (EAST CHINA)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] When using liquid marbles as a biochemical reaction container, because the production method is the traditional rolling method, the surface particle density of t

Method used

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  • Method for producing transparent liquid marble and liquid marble and application
  • Method for producing transparent liquid marble and liquid marble and application
  • Method for producing transparent liquid marble and liquid marble and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] A method for producing transparent liquid marbles, comprising the steps of:

[0041] Control the indoor temperature at 15°C and the indoor humidity above 50%, prepare SiO 2 Nanoparticles are used to make liquid marbles. The silicon dioxide used is the nanoparticle produced by the vapor phase deposition method modified by dimethyldichlorosilane, and the average particle size is at the nanometer level.

[0042] First cover the plane of the stationary vibrating table with a layer of plastic film to prevent pollution, and place a non-hydrophilic plastic container on the plane of the stationary electric vibrating table for operation. The diameter of the plastic container is at least 20mm.

[0043] A layer of silicon dioxide powder is spread on the bottom of the plastic container, and the powder needs to completely cover the surface.

[0044] Use a micropipette to drop a 10 microliter droplet onto the silica powder layer.

[0045] Turn on the electric vibration table, set t...

Embodiment 2

[0047] A method for producing transparent liquid marbles, comprising the steps of:

[0048] Control the indoor temperature at 30°C and the indoor humidity above 50%, prepare SiO 2 Nanoparticles are used to make liquid marbles. The silicon dioxide used is the nanoparticle produced by the vapor phase deposition method modified by dimethyldichlorosilane, and the average particle size is at the nanometer level.

[0049] First cover the plane of the stationary vibrating table with a layer of plastic film to prevent pollution, and place a non-hydrophilic plastic petri dish on the plane of the static electric vibrating table for operation. The diameter of the plastic petri dish is at least 20mm.

[0050] A layer of silica powder is spread on the bottom of the plastic petri dish, and the powder needs to completely cover the surface.

[0051] Use a micropipette to drop 1000 microliters of a droplet onto the silica powder layer.

[0052] Turn on the electric vibration table, set the p...

Embodiment 3

[0054] A method for producing transparent liquid marbles, comprising the steps of:

[0055] Control the indoor temperature at 25°C and the indoor humidity above 50%, prepare SiO 2 Nanoparticles are used to make liquid marbles. The silicon dioxide used is the nanoparticle produced by the vapor phase deposition method modified by dimethyldichlorosilane, and the average particle size is at the nanometer level.

[0056] First cover the plane of the stationary vibrating table with a layer of plastic film to prevent pollution, and place a non-hydrophilic plastic petri dish on the plane of the static electric vibrating table for operation. The diameter of the plastic petri dish is at least 20mm.

[0057] A layer of silica powder is spread on the bottom of the plastic petri dish, and the powder needs to completely cover the surface.

[0058] Use a micropipette to drop 500 microliters of a droplet onto the silica powder layer.

[0059] Turn on the electric vibration table, set the pa...

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Abstract

The invention belongs to the technical field of superfine functional material application and in particular discloses a method for producing liquid marbles by using micro-nano lyophobic granules. The method for producing the transparent liquid marbles comprises the following steps: controlling indoor temperature to be 15-30 DEG C and indoor humidity to be 50% or greater; fully laying a layer of silicon dioxide powder to the inner bottom of a lyophobic plastic container, and covering the surface of the container with the powder completely; dropping 10-1000 microliters of a liquid by using a micropipettor onto the silicon dioxide powder layer; and under the conditions that the frequency is 30-100 Hz and the acceleration is 20-30 m/s<2>, and performing vibration treatment on the liquid droplets and the powder for 30-60 seconds, thereby obtaining the liquid marbles. The liquid marbles produced by using the method have the characteristics of being high in stability and high in transparency, are capable of relatively clearly observing phenomena in experiments, and can be used as environmental-friendly micro biochemical experiment containers for experiments.

Description

technical field [0001] The invention belongs to the technical field of application of ultrafine functional materials, in particular to a method for producing liquid marbles by using micro-nano hydrophobic particles. Background technique [0002] Soft matter is a material system widely existing in nature, life system, daily life and industrial technology. The term soft matter is proposed relative to common hard materials such as metals, ceramics, and glass, including polymers, liquid crystals, surfactants, colloids, emulsions, and granular materials. The characteristic of soft matter is that they lack a hard structure, and small forces can produce large deformations. And other small effects will also bring about great changes, such as surfactants, one hundred thousandth of fluorocarbon surfactants added to water will reduce the surface tension of water by half. The same is true for the nano-hydrophobic silica particles studied in this paper. The addition of a small amount o...

Claims

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Application Information

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IPC IPC(8): B01J13/02B01J13/04B01J2/00B01J19/00
CPCB01J13/02B01J2/00B01J13/04B01J19/0093
Inventor 刘建林左平成
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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