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 decr

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

Example Embodiment

[0057] Example 1

[0058] The titanium white composite material provided in this example is mainly 3-phosphonic acid propionic acid (structural formula). ) And a titanium dioxide material having alumina and silicon oxide bilayer coating.

[0059] The preparation method of the titanium white slurry includes the following steps:

[0060] The inorganic coated of the non-dispersant is a titanium oxide and silicon oxide containing titanium dioxide material (ie, a titanium dioxide material having alumina and silicon oxide double coating) 400g (TiO in the slurry) 2 The solid content is 50%, the particle size is 0.33 μm, the particle size distribution is 1.49, TiO 2 For the golden red type), add TiO in titanium white slurry to 2 The mass of 3-phosphonic acid propylene acid (20% mass fraction) was 0.5%), and then the pH to 6.0 was adjusted with 2-amino-2-methyl-1-propanol at 20 ° C for 10 min. Ultrasound 45min. The reaction was stirred for 2 h then 2-amino-2-methyl-1-propanol was used to ...

Example Embodiment

[0061] Example 2

[0062] The titanium white composite material provided in this example is mainly from 2-hydroxyphosphonic acid (structural formula). ) And a titanium dioxide material having alumina and silicon oxide bilayer coating.

[0063] The preparation method of the titanium white slurry includes the following steps:

[0064] The inorganic coated of the non-dispersant is a titanium oxide and silicon oxide containing titanium dioxide material (ie, a titanium dioxide material having alumina and silicon oxide double coating) 400g (TiO in the slurry) 2 The solid content is 50%, the particle size is 0.33 μm, the particle size distribution is 1.49, TiO 2 For the golden red type), add TiO in titanium white slurry to 2 The mass of 3-phosphonic acid propylene acid (mass fraction is 50%), and after 12 min at 10 ° C, the sodium hydroxide solution was adjusted to 6.5, elevated temperature to 65 ° C, mechanical stirring 1.5 H, then adjusted pH 8.0 using a sodium hydroxide solution, con...

Example Embodiment

[0065] Example 3

[0066] The titanium white composite material provided in this example is mainly by phosphoryl butaric acid (structural formula). ) And a titanium dioxide material having alumina and silicon oxide bilayer coating.

[0067] The preparation method of the titanium white slurry includes the following steps:

[0068] The inorganic coated of the non-dispersant is a titanium oxide and silicon oxide containing titanium dioxide material (ie, a titanium dioxide material having alumina and silicon oxide double coating) 400g (TiO in the slurry) 2 The solid content is 50%, the particle size is 0.33 μm, the particle size distribution is 1.49, TiO 2 For the golden red type), add TiO in titanium white slurry to 2 The ethanol solution of 3-phosphonic acid propionic acid (50%) of a mass measured by 2% is 20 min after 35 ° C for 20 min, and the potassium hydroxide solution was adjusted to 8.0, and the ultrasound was 50 min. The mixture was stirred for 4 h, and the stirring was com...

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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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