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Method for evenly dispersing titanic oxide in organic phase

A titanium dioxide, uniformly dispersed technology, applied in chemical instruments and methods, mixing methods, chemical/physical processes, etc., can solve problems such as cumbersome processes and harsh conditions, and achieve the effects of expanding application range, mild reaction conditions, and convenient operation

Inactive Publication Date: 2010-06-09
南通国邦科技发展有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The present invention aims to solve the shortcomings of cumbersome processes and harsh conditions in the current method for uniformly dispersing titanium dioxide in the organic phase, and provides a method for uniformly dispersing titanium dioxide in the organic phase

Method used

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  • Method for evenly dispersing titanic oxide in organic phase
  • Method for evenly dispersing titanic oxide in organic phase
  • Method for evenly dispersing titanic oxide in organic phase

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specific Embodiment approach 1

[0012] Specific embodiment 1: The method of uniformly dispersing titanium dioxide in the organic phase of this embodiment is carried out according to the following steps: 1. Disperse titanium dioxide nanoparticles with distilled water. For every 1g of titanium dioxide nanoparticles, 20-40 mL of distilled water needs to be added. After stirring at a speed of ~60r / min for 45 minutes, then ultrasonic vibration was performed for 15 minutes to obtain a titanium dioxide nanoparticle suspension; 2. The pH of the titanium dioxide nanoparticle suspension obtained in step 1 was adjusted with 10% nitric acid in volume fraction. ~4, add hexadecyltrimethylammonium bromide with a mass of 0.5%-15% of the mass of titanium dioxide nanoparticles, and then stir at a speed of 40-60r / min for 2 hours to obtain a mixed solution, and then add it with the mixed solution The same volume of the organic phase, then continue to stir for 2 hours, stand for 12 hours and then separate the liquids; that is, tit...

specific Embodiment approach 2

[0013] Embodiment 2: The difference between this embodiment and Embodiment 1 is that in step 1, 25-35 mL of distilled water needs to be added for every 1 g of titanium dioxide nanoparticles. Other steps and parameters are the same as in the first embodiment.

specific Embodiment approach 3

[0014] Specific embodiment 3: The difference between this embodiment and specific embodiment 1 is that in step 1, 30 mL of distilled water needs to be added for every 1 g of titanium dioxide nanoparticles. Other steps and parameters are the same as in the first embodiment.

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Abstract

The present invention relates to a method for dispersing titanium dioxide in organic phase uniformly. The present invention solves the disadvantages of the current method of complex process and rigorous condition. The method for dispersing the titanium dioxide in the organic phase uniformly is processed according to the steps as follows: firstly, titanium dioxide nanometer particle suspension is obtained; secondly, pH value is adjusted, activator is added for separating liquid, and titanium dioxide nanometer particles which are uniformly dispersed in the organic phase are obtained. The other method is processed according to the steps as follows: firstly, the titanium dioxide nanometer particle suspension is obtained; secondly, the pH value is adjusted, the activator is added for separatingthe liquid, and the titanium dioxide nanometer particles which are uniformly dispersed in the organic phase are obtained. The method for dispersing the titanium dioxide in the organic phase uniformlyhas the advantages of simple process and wide applicable condition.

Description

Technical field [0001] The invention relates to a method for dispersing titanium dioxide in an organic phase. Background technique [0002] Nano-titanium dioxide is an important inorganic semiconductor functional material, which has unique catalytic, electrical, optical and photochemical properties. However, nano-TiO 2 Its strong polarity and high surface energy make it difficult to disperse in organic media and agglomerate in organic media, which limits its performance and application fields to a large extent. At present, the uniform dispersion of titanium dioxide in the organic phase is achieved. The method has the disadvantages of cumbersome process and harsh conditions. For example, the anionic surfactant sodium dodecylbenzene sulfonate can only achieve phase transfer in an acidic environment. Summary of the invention [0003] The invention aims to solve the disadvantages of complicated process and harsh conditions in the current method for uniformly dispersing titanium dioxi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01F3/12B01J21/06B01J35/12B01J37/04B01J35/27
Inventor 井立强付宏刚宋姝屈宜春
Owner 南通国邦科技发展有限公司
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