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A kind of antifreeze type nano material dispersion liquid and preparation method thereof

A technology of nanomaterials and dispersions, applied in the direction of nanotechnology, nanotechnology, chemical instruments and methods, etc., can solve the problems of performance degradation of nanomaterial dispersions, achieve catalytic efficiency and performance, simple and convenient operation, and improve dispersibility Effect

Active Publication Date: 2021-03-16
众联晟通(苏州)科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After freeze-thaw cycles, the performance of nanomaterial dispersions decreases, which has become a common problem

Method used

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  • A kind of antifreeze type nano material dispersion liquid and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0052] Embodiment 1: a kind of antifreeze type nano material dispersion liquid, such as figure 1 As shown, including nanomaterials and single-phase liquids, the ratio of nanomaterials to single-phase liquids is 1:(1-3) based on components in parts by weight. Among them, the single-phase liquid is pure water. The nanomaterials use nano-titanium dioxide TiO with a particle size below 5nm. 2 , and disperse it in pure water, then TiO can be made 2 -H 2 O dispersion. Among them, nano-titanium dioxide TiO 2 , also known as titanium dioxide, is a white loose powder with strong UV shielding effect, good dispersion and weather resistance, and also has high chemical stability, thermal stability, non-toxicity and super hydrophilic properties.

[0053] The principle of antifreeze is as follows: this new type of single-solid-phase nano-component and single-liquid dispersion liquid, when the freezing point is reached, even if ice crystals are formed, the liquid phase components of the ...

Embodiment 2

[0054] Embodiment 2: An antifreeze nanomaterial dispersion, the difference from Embodiment 1 is that the single-phase liquid is an alcoholic liquid, wherein the alcoholic liquid is ethanol. The nanomaterials use nano-tungsten trioxide WO with an average particle size below 9nm. 3 . Among them, tungsten trioxide WO3, as a transition metal oxide of n-type semiconductor, has good gas sensitivity and catalytic performance. At this time nano tungsten trioxide WO 3 It can be evenly dispersed in the aqueous solution of ethanol, which improves the stability and dispersion performance of the nanomaterial dispersant and reduces the occurrence of agglomeration, so that after freezing and melting again, the nanomaterial still maintains the original particle size, and then Maintain the effect of the original nano-dispersion liquid.

Embodiment 3

[0055] Embodiment 3: An antifreeze-type nanomaterial dispersion, the difference from Embodiment 1 is that the single-phase liquid is a ketone liquid, and the ketone liquid is acetone. The nanomaterials use nano-titanium dioxide TiO with an average particle size below 5nm. 2 .

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Abstract

The invention belongs to the technical field of nanomaterial dispersion liquid and discloses antifreeze nanomaterial dispersion liquid and a preparation method thereof. The antifreeze nanomaterial dispersion liquid is technically characterized by comprising a nanomaterial and single-phase liquid, a weight part ratio of the nanomaterial to the single-phase liquid is 1:(1-3), and the single-phase liquid includes one of pure water, alcohol liquid or ketone liquid. The prep0aration method includes steps of determination of a maximum content of the antifreeze dispersion liquid stabilization solid-phase nanomaterial in liquid, determination of stirring time and preparation of antifreeze nano dispersion liquid. After freezing and thawing cycle, influences on original performances are effectivelyreduced, and accordingly catalytic efficiency and performances of the nanomaterial dispersion liquid are guaranteed fundamentally. The preparation method is simple and convenient to operate, and dispersity, stability and freeze resistance of the nanomaterial dispersion liquid can be improved.

Description

technical field [0001] The invention belongs to the technical field of nanometer material dispersion liquid, more specifically, it relates to an antifreeze type nanometer material dispersion liquid and its preparation method. Background technique [0002] The nanomaterial dispersion liquid is made by adding solvent and dispersant to the nanomaterials and dispersing them. When the temperature of the nano-dispersion is lower than the freezing point, it starts to freeze, and then melts after freezing, which will lead to the agglomeration of the nano-material and the increase in particle size. The catalytic efficiency of the nano-dispersion is related to the particle size, so it directly affects effect, or even fail. [0003] The reason why the particle size of the nanomaterials in the nanodispersion becomes larger is as follows: [0004] The nano-dispersion liquid dispersed by multi-component solid phase or multi-component liquid. When each liquid or solid mixed dispersion li...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J21/06B01J23/30B01J23/06B01J23/75B01J21/08B82Y40/00B82Y30/00
CPCB01J21/06B01J21/08B01J23/06B01J23/30B01J23/75B01J35/004B82Y30/00B82Y40/00
Inventor 曹嘉羽
Owner 众联晟通(苏州)科技有限公司
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