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Method for preparing Ti4O7

A titanium powder and microwave sintering technology, which is applied in the field of titanium materials, can solve the problems of high preparation conditions and low product quality, and achieve good application prospects, lower reaction temperature, and ease of sintering

Inactive Publication Date: 2018-12-18
PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is that existing Ti 4 o 7 The product quality of the preparation method is not high, and the preparation conditions are high

Method used

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  • Method for preparing Ti4O7
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Experimental program
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Effect test

Embodiment 1

[0030] Embodiment 1 uses the method of the present invention to prepare micron Ti 4 o 7

[0031] With titanium powder (2 As raw material, a total of 608g (including titanium powder 48g, TiO 2 560g), put the prepared raw materials into a ball mill for ball milling, and the ball milling time is 2h. After the ball milling, take out the raw materials, put them in a corundum crucible, and then put the loaded corundum crucible into a microwave oven for heating and sintering. The sintering temperature 1150°C, sintering time 1h, while using argon as a protective gas. After the sintering is completed, the microwave oven is naturally cooled to room temperature, the microwave oven is turned on, the product is taken out, and the product is ground, broken, and detected and analyzed to confirm that the final product is Ti 4 o 7 , purity > 99%.

Embodiment 2

[0032] Embodiment 2 uses the method of the present invention to prepare micron Ti 4 o 7

[0033] With titanium powder (2 As raw material, a total of 304g (including titanium powder 24g, TiO 2 280g), put the prepared raw materials into a ball mill for ball milling, the ball milling time is 1h, after the ball milling is over, take out the raw materials, put them into a corundum crucible, then put the corundum crucible with the materials into a microwave oven and carry out under vacuum conditions. Heating and sintering, the sintering temperature is 750°C, and the sintering time is 4h. After the sintering is completed, the microwave oven is naturally cooled to room temperature, the microwave oven is turned on, the product is taken out, and the product is ground, broken, and detected and analyzed to confirm that the final product is Ti 4 o 7 , purity > 99%.

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Abstract

The invention relates to a method for preparing Ti4O7 and belongs and belongs to the technical field of titanium materials, aiming at solving the technical problems that the quality of a product of anexisting preparation method of the Ti4O7 is not high and requirements on preparation conditions are high. Aiming at solving the technical problems, the invention provides the method for preparing theTi4O7; the method comprises the following steps: uniformly mixing prepared titanium powder and TiO2 according to the mol ratio of 1 to 7; carrying out microwave sintering at the sintering temperatureof 600 to 1200 DEG C, so as to obtain the Ti4O7. The method provided by the invention has the advantages that a technology is simple and easy to control, the quality of the product is high and an industrialization prospect is good.

Description

technical field [0001] The invention belongs to the technical field of titanium materials, in particular to a method for preparing Ti 4 o 7 Methods. Background technique [0002] Ti 4 o 7 Commonly known as titanium black, it has many excellent characteristics such as good electrical conductivity, strong visible light response ability, excellent electrochemical performance, environmental protection and non-toxicity, so Ti 4 o 7 Widely used in electrochemical related fields, for example, Ti 4 o 7 in TiO 2 Plays a key role in resistance switch memory (RRMA), Ti 4 o 7 As an inert electrode, it has been widely used in electrolysis of water, electrolytic metallurgy, electroplating, electrochemical soil remediation, wastewater treatment, cathodic protection, electrophoresis and other fields. [0003] Currently, Ti 4 o 7 The preparation method is mainly by the thermal reduction method, by using a reducing agent (such as H 2 , C, etc.) under certain conditions (generally...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01G23/04
CPCC01G23/043C01P2002/72C01P2006/80
Inventor 赵三超范亚卓苗庆东
Owner PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP
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