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A kind of preparation method of paraffin nanosheet

A technology of nanosheets and paraffin, applied in the field of preparation of paraffin nanosheets, can solve the problems of long processing flow, various types of chemical reagents, and complicated preparation process, and achieve the effect of short processing flow, less chemical reagents, and simple preparation process

Active Publication Date: 2022-07-05
HEBEI RUBIDIUM CESIUM TECH CO LTD +1
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  • Application Information

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Problems solved by technology

At present, the preparation method of nano-scale paraffin mainly depends on wet chemical method, for example: Chinese invention patent CN109912813A discloses a kind of preparation method of cationic paraffin emulsion, it is to feed water, paraffin, fatty amine polyoxyethylene ether, glacial acetic acid first Heat it in the reactor to 80-105°C, keep it warm for 1-5 hours, then control the temperature in the reactor at 70-95°C, and finally cool it to room temperature to obtain the paraffin wax emulsion; but the preparation process of this method Complicated, long treatment process, using a wide variety of chemical reagents

Method used

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Embodiment approach

[0017] (1) The liquid solvent described can be conventional liquid solvents such as water, ethanol, methanol, toluene, and benzene.

[0018] (2) The ultrasonic frequency of the ultrasonic dispersion is 20kHz to 30kHz, and the ultrasonic intensity is not less than 0.1mW / cm 2 , the ultrasonic time is not less than 30s.

[0019] (3) The stabilizer can adopt common surfactants such as cetyl ammonium bromide, cetyl ammonium chloride, sodium lauryl sulfate.

[0020] Further, the present invention quickly realizes the nanosolization of liquid paraffin through ultrasonic dispersion technology, and can form paraffin nanosheets after cooling, which not only has a simple preparation process, a short treatment process, but also uses less chemical reagents.

[0021] From the above, it can be seen that the embodiment of the present invention not only has a simple preparation process, a short processing flow, but also uses less chemical reagents.

[0022] In order to more clearly demonstra...

Embodiment 1

[0024] A preparation method of paraffin nanosheets, which can include the following steps:

[0025] Step 1. Put 0.05g solid paraffin block, 0.1g cetylammonium bromide and 50mL water together in a 100mL glass container (for example: the glass container can be a glass bottle or a beaker).

[0026] Step 2. Heat the above glass container to 60° C. to melt the paraffin into a liquid state.

[0027] Step 3, quickly put the above glass container into the ultrasonic cell (the frequency of the ultrasonic wave is 25kHz, the intensity is 0.1W / cm) 2 ) to carry out ultrasonic emulsification for 1 min, and then take out the above glass container and cool to room temperature, so as to obtain a colloidal solution of paraffin nanosheets.

[0028] Specifically, as figure 1 As shown, the colloidal solution of the paraffin nanosheets prepared in Example 1 of the present invention has obvious Tyndall effect, which shows that the paraffin is nanosized. The paraffin nanosheets prepared in Example...

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Abstract

The invention discloses a method for preparing paraffin nanosheets. The paraffin is melted into a liquid state in a liquid solvent, then the liquid paraffin in the liquid solvent is ultrasonically dispersed, and after cooling, a colloidal solution of paraffin nanosheets is obtained. The invention not only has simple preparation process and short processing flow, but also uses less chemical reagents.

Description

technical field [0001] The invention relates to the technical field of paraffin nanosheet preparation, in particular to a preparation method of paraffin nanosheets. Background technique [0002] Nano-scale paraffin has important applications in wood preservation, waterproof materials, phase change energy storage and drilling fluid treatment. At present, the preparation method of nano-scale paraffin mainly relies on wet chemical methods, for example: Chinese invention patent CN109912813A discloses a preparation method of cationic paraffin emulsion, which is to feed water, paraffin, fatty amine polyoxyethylene ether and glacial acetic acid Heating to 80~105 ℃ in the reaction kettle, then heat preservation reaction for 1~5 hours, then the temperature in the reaction kettle is controlled at 70~95 ℃, and finally cooled to room temperature to obtain paraffin emulsion; but the preparation process of this method Complex, long processing flow, and the use of a wide variety of chemic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J6/00B01F31/80B01J13/00B82Y40/00B82Y30/00
CPCB01J6/005B01J13/0004B01J13/0026B82Y40/00B82Y30/00B01F31/80
Inventor 李文宏范连柱杨广合张志国范连国鲍皓明赵倩张洪文蔡伟平
Owner HEBEI RUBIDIUM CESIUM TECH CO LTD
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