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Preparation of nanoparticles and application of sterilizing, deodorizing and aldehyde-removing composition

An aldehyde-removing composition and nanotechnology, applied in the directions of titanium oxide/hydroxide, bulk chemical production, titanium dioxide, etc., can solve the problem of easy agglomeration of nano-titanium dioxide particles, very little significant functionality of nano-titanium dioxide particles, and poor dispersion performance. and other problems to achieve the effect of increasing dispersibility, high concentration and stability, good dispersibility and stability

Active Publication Date: 2021-04-02
上海涂固安高科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the nano-titanium dioxide microparticles prepared by these methods show two significant functions but few. On the one hand, the nano-titanium dioxide microparticles are easy to agglomerate, especially the dispersion performance in water is not good.

Method used

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  • Preparation of nanoparticles and application of sterilizing, deodorizing and aldehyde-removing composition

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Experimental program
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Effect test

Embodiment 1

[0063] Embodiment 1 of the present invention specifically provides a kind of preparation of nanometer microion, and the preparation step of described nanometer microion comprises: (1) titanium isopropoxide and polymer chelating agent solution are mixed and subjected to ultrasonic treatment, obtain mixed solution A; (2) placing the mixed solution A, the ethanol-water mixed solution, and the additive in a batch-type supercritical fluid treatment device to react to obtain nanometer micro-ions;

[0064] In the step (1), the volume ratio of titanium isopropoxide and polymer chelating agent solution is 1:3;

[0065] In the step (2), the volume ratio of the mixture A to the ethanol-water mixed solution is 1:1; the weight of the additive is 25% of the weight of titanium isopropoxide;

[0066] The ultrasonic treatment temperature in the step (1) is 50°C, and the ultrasonic treatment time is 50min;

[0067] The reaction temperature in the step (2) is 250° C., and the reaction pressure ...

Embodiment 2

[0075] Embodiment 2 of the present invention specifically provides a kind of preparation of nanometer microion, and the preparation step of described nanometer microion comprises: (1) titanium isopropoxide and polymer chelating agent solution are mixed and subjected to ultrasonic treatment, obtain mixed solution A; (2) placing the mixed solution A, the ethanol-water mixed solution, and the additive in a batch-type supercritical fluid treatment device to react to obtain nanometer micro-ions;

[0076] In the step (1), the volume ratio of titanium isopropoxide and polymer chelating agent solution is 1:4;

[0077] In the step (2), the volume ratio of the mixture A to the ethanol-water mixed solution is 1:1; the weight of the additive is 30% of the weight of titanium isopropoxide;

[0078] The ultrasonic treatment temperature in the step (1) is 50°C, and the ultrasonic treatment time is 45min;

[0079] The reaction temperature in step (2) is 260 DEG C, reaction pressure is 6.5MPa;...

Embodiment 3

[0087] Embodiment 3 of the present invention specifically provides a kind of preparation of nanometer microion, and the preparation step of described nanometer microion comprises: (1) titanium isopropoxide and polymer chelating agent solution are mixed and subjected to ultrasonic treatment, obtain mixed solution A; (2) placing the mixed solution A, the ethanol-water mixed solution, and the additive in a batch-type supercritical fluid treatment device to react to obtain nanometer micro-ions;

[0088] In the step (1), the volume ratio of titanium isopropoxide and polymer chelating agent solution is 1: 3.6;

[0089] In the step (2), the volume ratio of the mixture A to the ethanol-water mixed solution is 1:1; the weight of the additive is 28% of the weight of titanium isopropoxide;

[0090] The ultrasonic treatment temperature in the step (1) is 55°C, and the ultrasonic treatment time is 45min;

[0091] The reaction temperature in step (2) is 270 DEG C, and the reaction pressure...

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Abstract

The invention relates to the technical field of preparation and application of nano microparticles, in particular to preparation of the nano microparticles and application of a sterilizing, deodorizing and aldehyde-removing composition. The preparation method of the nanoparticles comprises the following steps: (1) mixing titanium isopropoxide and a polymer chelating agent solution, and carrying out ultrasonic treatment to obtain a mixed solution A; and (2) putting the mixed solution A, an ethanol-water mixed solution and an additive into an intermittent supercritical fluid treatment device, and reacting to obtain the nanoparticles. The nano microparticles have good dispersity in water, especially in nano SOD water, and the nano microions are liquid nano microions and have high concentration and stability; and the sterilizing, deodorizing and formaldehyde-removing composition containing the nanoparticles has the functions of air purification, water purification, antibiosis, disinfectionand self-cleaning.

Description

technical field [0001] The invention relates to the technical field of preparation and application of nanometer particles, in particular to the preparation of nanometer particles and the application of the composition for sterilization, deodorization and aldehyde removal. Background technique [0002] Nanoparticles are relatively fine particles, especially nano-titanium dioxide particles, which are used in the technical fields of catalysts, anti-ultraviolet rays, and adsorbents. The traditional preparation methods of nano-titanium dioxide particles include gel-sol method, gas-phase oxidation of titanium tetrachloride, gas-phase hydrolysis of titanium alkoxide, and solid-phase method. However, the nano-titanium dioxide microparticles prepared by these methods show two significant functionalities but few. On the one hand, it is because the nano-titanium dioxide microparticles are easy to agglomerate, especially the dispersion performance in water is not good. Contents of the...

Claims

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Application Information

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IPC IPC(8): C01G23/053
CPCC01G23/053Y02P20/54
Inventor 童飞刘倩蔡川旭
Owner 上海涂固安高科技有限公司