Preparation method of metallic rubidium nano sol

A technology of nano-sol and rubidium metal, which is applied in the direction of nanotechnology, can solve the problems of complex preparation equipment, cumbersome preparation process, product transfer, and transportation troubles, and achieve the effect of simple preparation equipment, simple preparation process and short overall process

Inactive Publication Date: 2020-06-26
HEBEI RUBIDIUM CESIUM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The preparation process of this method is cumbersome and the preparation device is complicated, and the rubidium nano-sol cannot be exposed to the air, so the transfer and transportation of the final product prepared by this method are more troublesome

Method used

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  • Preparation method of metallic rubidium nano sol
  • Preparation method of metallic rubidium nano sol

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preparation example Construction

[0019] A method for preparing a metal rubidium nano-sol, which may specifically include: putting a metal rubidium block into an organic solvent in a container, and deoxygenating the organic solvent in the container, then filling the container with a protective gas, and In the environment protected by protective gas, heat the deoxygenated organic solvent to melt the metal rubidium into a liquid state in the organic solvent, then put the container into the ultrasonic pool, and in the environment protected by protective gas, use ultrasonic waves in the organic solvent The liquid rubidium is crushed and dispersed, the frequency of the ultrasonic wave is 20kHz to 30kHz, and the intensity is not less than 0.1mW / cm 2 , and the ultrasonic time is not less than 30s, so as to prepare metal rubidium nano-sol.

[0020] Wherein, the organic solvent can be an organic solvent that does not react with rubidium metal, such as toluene, benzene, xylene, liquid paraffin, kerosene, etc. The prote...

Embodiment 1

[0025] A kind of preparation method of metal rubidium nano-sol, adopts such as figure 1 The device shown is prepared, the first opening of Schlenk tube 1 is connected to nitrogen and controlled by valve A, and the second opening of Schlenk tube 1 is connected to a vacuum pump and controlled by valve B, which may specifically include the following steps:

[0026] Step 1. Put 0.05g rubidium metal block and 50mL toluene into Schlenk tube 1.

[0027] Step 2, sealing the Schlenk tube 1 and immersing it in liquid nitrogen for freezing, then vacuumizing the Schlenk tube 1 through the second opening of the Schlenk tube 1, melting the organic solvent in the Schlenk tube 1, and repeating The "freezing-vacuumizing-thawing" treatment was carried out three times to realize deoxygenation of the organic solvent in the Schlenk tube 1 . After the last "freeze-vacuum-thaw" treatment, the Schlenk tube 1 is filled with nitrogen gas through the first opening of the Schlenk tube 1, and the Schlenk...

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Abstract

The invention discloses a preparation method of metallic rubidium nano sol. The preparation method comprises the following steps of putting metallic rubidium into an organic solvent, deoxidizing the organic solvent, heating the deoxidized organic solvent in a protective gas protection environment to melt the metallic rubidium into a liquid state in the organic solvent, and crushing and dispersingthe metallic rubidium in the liquid state in the organic solvent by using ultrasonic waves in the protective gas protection environment to obtain the metallic rubidium nano sol. According to the preparation method of the metallic rubidium nano sol, the preparation process is simple so that the metallic rubidium nano sol can be rapidly prepared; and a preparation device is simple, so that storage,transfer and transportation of the metallic rubidium nano sol are facilitated.

Description

technical field [0001] The invention relates to the field of metal rubidium nano-sol, in particular to a preparation method of metal rubidium nano-sol. Background technique [0002] Metal rubidium has good application prospects in the fields of catalysis, combustion, blasting and so on. However, the surface area of ​​rubidium metal block is too low, which is not conducive to its full utilization, and nano-scale materials have a large specific surface area, which can ensure high utilization of materials. Therefore, the nanometerization of metal rubidium is an important factor to promote the application of metal rubidium measure. [0003] Due to the extremely active chemical properties of rubidium metal, the nanonization of rubidium metal is a challenging problem. There are only few reports in the prior art that propose methods for preparing rubidium metal nanosols. For example: B. Bozlee et al. prepared rubidium sol in 1992 using a container that could be evacuated, contai...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F9/08B82Y40/00
CPCB22F9/08B82Y40/00B22F2009/0808
Inventor 李文宏张志国范连柱杨广合鲍皓明赵倩张洪文蔡伟平
Owner HEBEI RUBIDIUM CESIUM TECH CO LTD
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