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Titanium dioxide composite material and preparation method thereof

A composite material, titanium dioxide technology, applied in chemical instruments and methods, fibrous fillers, inorganic pigment treatment, etc., can solve the problems of reduced paint gloss, increased manufacturing cost, poor dispersibility, etc., to achieve excellent dispersion performance, The effect of good dispersion stability and excellent thermal storage stability

Active Publication Date: 2021-11-02
HENAN BILLIONS NEW MATERIAL CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Moreover, when the paint formulation is used, often due to poor dispersion, the gloss of the paint decreases and the viscosity increases.
These have greatly increased manufacturing costs and wasted resources

Method used

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  • Titanium dioxide composite material and preparation method thereof
  • Titanium dioxide composite material and preparation method thereof
  • Titanium dioxide composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] The titanium dioxide composite material-titanium dioxide slurry provided by this embodiment is mainly composed of 3-phosphonopropionic acid (structural formula is ) and titania material with a double coating of alumina and silica.

[0059] The preparation method of this titanium dioxide slurry comprises the following steps:

[0060] Get the inorganic coating that does not add dispersant and be the titanium dioxide slurry of alumina and silicon oxide (that is, have the titanium dioxide material of aluminum oxide and silicon oxide double-layer cladding layer) 400g (TiO2 in the slurry 2 The solid content is 50%, the particle size is 0.33μm, the particle size distribution is 1.49, TiO 2 is rutile), to which TiO2 in titanium dioxide slurry is added 2 0.5% by mass of 3-phosphonopropionic acid aqueous solution (mass fraction is 20%), after mechanical stirring at 20°C for 10 min, use 2-amino-2-methyl-1-propanol to adjust the pH to 6.0, and then Ultrasound for 45min. Stir m...

Embodiment 2

[0062] The titanium dioxide composite material-titanium dioxide slurry provided in this embodiment is mainly composed of 2-hydroxyphosphonoacetic acid (structural formula: ) and titania material with a double coating of alumina and silica.

[0063] The preparation method of this titanium dioxide slurry comprises the following steps:

[0064] Get the inorganic coating that does not add dispersant and be the titanium dioxide slurry of alumina and silicon oxide (that is, have the titanium dioxide material of aluminum oxide and silicon oxide double-layer cladding layer) 400g (TiO2 in the slurry 2 The solid content is 50%, the particle size is 0.33μm, the particle size distribution is 1.49, TiO 2 is rutile), to which TiO2 in titanium dioxide slurry is added 2 1% by mass of 3-phosphonopropionic acid aqueous solution (mass fraction is 50%), after mechanically stirring at 10°C for 12min, adjust the pH to 6.5 with sodium hydroxide solution, raise the temperature to 65°C, and mechani...

Embodiment 3

[0066] The titanium dioxide composite material-titanium dioxide slurry provided in this embodiment is mainly composed of phosphoryl succinic acid (structural formula is ) and titania material with a double coating of alumina and silica.

[0067] The preparation method of this titanium dioxide slurry comprises the following steps:

[0068] Get the inorganic coating that does not add dispersant and be the titanium dioxide slurry of alumina and silicon oxide (that is, have the titanium dioxide material of aluminum oxide and silicon oxide double-layer cladding layer) 400g (TiO2 in the slurry 2 The solid content is 50%, the particle size is 0.33μm, the particle size distribution is 1.49, TiO 2 is rutile), to which TiO2 in titanium dioxide slurry is added 2 2% by mass of 3-phosphonopropionic acid in ethanol (50% by mass), mechanically stirred at 35° C. for 20 min, adjusted to pH 8.0 with potassium hydroxide solution, and ultrasonicated for 50 min. Stir mechanically for another 4...

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Abstract

The invention relates to the field of titanium dioxide slurry and titanium dioxide preparation, in particular to a titanium dioxide composite material and a preparation method thereof. The titanium dioxide composite material is mainly prepared from a phosphine carboxylic acid compound and a titanium dioxide material with a coating layer, the phosphine carboxylic acid compound has a structure as shown in a general formula (I) or (II). The titanium dioxide composite material has excellent dispersing performance and can be quickly dispersed in water without the aid of external force; in addition, the titanium dioxide composite material also has relatively excellent heat storage stability and application performances such as hue, covering power and glossiness.

Description

technical field [0001] The invention relates to the field of preparation of titanium dioxide slurry and titanium dioxide, in particular to a titanium dioxide composite material and a preparation method thereof. Background technique [0002] When coating companies make titanium dioxide slurry, they generally use TiO 2 Titanium dioxide slurry is prepared by direct high-beating of dry powder, but the titanium dioxide slurry cannot be used up immediately, so when it is stored, in order to maintain the dispersion of the slurry, it needs to be continuously stirred. [0003] At the same time, in order to save costs and meet the demand of downstream coating companies for titanium dioxide slurry, titanium dioxide manufacturers will choose to beat the semi-finished filter cake of titanium dioxide with dispersant, and make it into titanium dioxide slurry, which will be transported to downstream enterprises by tanker . However, this titanium dioxide slurry also has the same problems, ...

Claims

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Application Information

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IPC IPC(8): C09C1/36C09C3/06C09C3/08
Inventor 陈建立王永珊弗朗西斯科·阿兹纳雷斯·佩曼张玉荣李小红李菲张治军李瑞瑞赵姗姗冯亚阳宋运萍杨德江
Owner HENAN BILLIONS NEW MATERIAL CO LTD
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