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Composite titanium dioxide and preparation process thereof

A technology of composite titanium dioxide and preparation process, which is applied in the treatment of dyed organosilicon compounds, dyed low-molecular-weight organic compounds, and fibrous fillers. and other problems, to achieve the effect of low production cost, resource saving and strong covering ability

Active Publication Date: 2012-08-22
郑州中岳高新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, limited by the resources of titanium dioxide itself, the resources of titanium dioxide are becoming increasingly tight, and the price is high, and the production cost is relatively high.
[0003] In order to solve the high cost, lithopone, wrought white powder and other products are used to replace titanium dioxide on the market, but the comprehensive performance is far inferior to titanium dioxide, and there are problems such as poor dispersion in water-based coatings, narrow application range, poor hiding ability, and whiteness. Disadvantages of low degree

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Take 40kg of inorganic powder, 40kg of titanium dioxide, 0.2kg of stearate, and 0.2kg of hydrogen-containing silicone oil.

[0019] A composite titanium dioxide, which is made of 40kg of inorganic powder, 40kg of titanium dioxide, 0.2kg of stearate, and 0.2kg of hydrogen-containing silicone oil.

[0020] The preparation technology of described composite titanium dioxide, its preparation technology comprises the steps:

[0021] Step 1. Activation: Send the inorganic powder with a weight of 40kg into the activation machine, control the rotation speed of the activation machine to 2000-3000r / min, and adjust the temperature to 80-90°C;

[0022] Step 2, feeding: first add stearate with a weight of 0.2 kg into the activation machine activated in step 1, and stir for 5 minutes; then add hydrogen-containing silicone oil with a weight of 0.2 kg, and continue to stir for 5 minutes. Carry out segmentation refinement and surface esterification transformation of the body, the temper...

Embodiment 2

[0029] Take 45kg of inorganic powder, 45kg of titanium dioxide, 0.3kg of stearate, and 0.3kg of hydrogen-containing silicone oil.

[0030] A composite titanium dioxide is made of 45kg of inorganic powder, 45kg of titanium dioxide, 0.3kg of stearate, and 0.3kg of hydrogen-containing silicone oil.

[0031] The preparation technology of described composite titanium dioxide, its preparation technology comprises the steps:

[0032] Step 1. Activation: Send the inorganic powder weighing 45kg into the activation machine, control the rotation speed of the activation machine to 2000-3000r / min, and adjust the temperature to 80-90°C;

[0033] Step 2, feeding: first add stearate with a weight of 0.3 kg into the activation machine activated in step 1, and stir for 5 minutes; then add hydrogen-containing silicone oil with a weight of 0.3 kg, and continue to stir for 5 minutes. Carry out segmentation refinement and surface esterification transformation of the body, the temperature is kept a...

Embodiment 3

[0040] Take 50kg of inorganic powder, 50kg of titanium dioxide, 0.4kg of stearate, and 0.4kg of hydrogen-containing silicone oil.

[0041] A composite titanium dioxide is made of 50kg of inorganic powder, 50kg of titanium dioxide, 0.4kg of stearate, and 0.4kg of hydrogen-containing silicone oil.

[0042] The preparation technology of described composite titanium dioxide, its preparation technology comprises the steps:

[0043] Step 1. Activation: Send the inorganic powder with a weight of 50kg into the activation machine, control the rotation speed of the activation machine to 2000-3000r / min, and adjust the temperature to 80-90°C;

[0044] Step 2, feeding: first add stearate with a weight of 0.4kg into the activation machine activated in step 1, and stir for 5 minutes; then add hydrogen-containing silicone oil with a weight of 0.4kg, and continue to stir for 5 minutes. Carry out segmentation refinement and surface esterification transformation of the body, the temperature is ...

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Abstract

The invention relates to composite titanium dioxide and a preparation process thereof. The composite titanium dioxide is prepared from the following compositions of 40-60 parts by weight of inorganic powders, 40-60 parts by weight of titanium dioxide, 0.2-0.5 parts by weight of stearate and 0.2-0.5 parts by weight of hydrogen containing silicone oil by a series of processes of activating, feeding and forming. According to the composite titanium dioxide and the preparation process thereof, the using amount of the titanium dioxide is extremely low, the oleophylic and hydrophilic stearate and the hydrogen containing silicone oil are adopted for modifying and cladding the inorganic powders, the composite titanium dioxide can be used for not only solvent based coating but also water-based paint and emulsion paint to replace titanium dioxide, the titanium dioxide resources are saved, and the cost of coating manufacturers is lowered, so that the composite titanium diode has the advantages that the whiteness is high, the application range is wide, the covering capability is strong, the using amount of the titanium dioxide powder is low and the production cost is low.

Description

technical field [0001] The invention relates to a composite titanium dioxide, in particular to a composite titanium dioxide with high whiteness, wide application range, low consumption of titanium dioxide and low production cost and a preparation process thereof. Background technique [0002] The scientific name of titanium dioxide is titanium dioxide, which is an inert pigment. It is considered to be a white pigment with the best performance in the world. It is widely used in coatings, plastics, papermaking, printing ink, chemical fiber, rubber, cosmetics and other industries. Especially the paint industry is the largest user of titanium dioxide. The paint made of titanium dioxide has bright colors, high hiding power, strong tinting strength, low consumption, and many varieties. It can protect the stability of the medium and strengthen the paint film. Excellent mechanical strength and adhesion, prevent cracks, prevent ultraviolet rays and moisture from penetrating, and prol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D7/12C09C1/36C09C3/08C09C3/12
Inventor 李建功董应勤
Owner 郑州中岳高新材料有限公司
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