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Composite titanium white powder

A technology of composite titanium dioxide and titanium dioxide, which is applied in the direction of inorganic pigment treatment, chemical instruments and methods, fibrous fillers, etc., can solve the problems of wollastonite with high impurity content, poor covering performance, and insufficient whiteness of products

Inactive Publication Date: 2008-01-09
王刚
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Titanium dioxide (TiO2) and lithopone (ZnS.BaSO4) are fine white powders with good tinting power and hiding power, and are widely used in coatings, paints, inks, papermaking, plastics, rubber, building materials and other products application, but the product has to overcome the environmental pollution caused by many raw materials in the production process, such as: lithopone, titanium dioxide production process to the sewage treatment problem, so the current market price of titanium dioxide and lithopone is relatively high
In order to reduce costs, although there are lithopone or composite titanium dioxide compounded with other substances in the prior art, the use effect is often much worse than that of titanium dioxide or lithopone. For example, in the batching of composite titanium dioxide disclosed in CN1052127 A large amount of wollastonite is added. Due to the high impurity ratio of wollastonite, the whiteness of the obtained product is not enough, the covering property is poor, and it will turn black under acidic conditions

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0008] Embodiment 1 Composite titanium dioxide component 1

[0009] Titanium dioxide 40%, kaolin 2%, ZnO (zinc oxide) 0.5%, whitening agent (OB) 0.1%, and the balance is heavy calcium.

Embodiment 2

[0010] Embodiment 2 Composite titanium dioxide component 2

[0011] 30% of titanium dioxide, 2% of kaolin, 0.5% of ZnO (zinc oxide), 0.08% of whitening agent (OB), and the balance is heavy calcium.

Embodiment 3

[0012] Embodiment 3 Composite titanium dioxide component 3

[0013] Titanium dioxide 60%, kaolin 2%, ZnO (zinc oxide) 0.5%, whitening agent (OB) 0.08%, and the balance is heavy calcium.

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Abstract

A composite titanium pigment consists of titanium pigment 20-70 wt%, kaolin 1-2 wt%, ZnO 0.1-0.5 wt%, brightener 0.1-0.05(OB) wt% and heavy calcium carbonate. It's stable, has excellent whiteness, coloring and covering powers and better heat, light and weather resistances. It can be used as fillers in indoor and outdoor.

Description

technical field [0001] The invention relates to a chemical filler, in particular to a white composite titanium dioxide that can be widely used in coatings, paints, inks, papermaking, plastics, rubber, building materials and the like. technical background [0002] Titanium dioxide (TiO2) and lithopone (ZnS.BaSO4) are fine white powders with good tinting power and hiding power, and are widely used in coatings, paints, inks, papermaking, plastics, rubber, building materials and other products application, but the product has to overcome the environmental pollution caused by many raw materials in the production process, such as: lithopone, titanium dioxide production process to the sewage treatment problem, so the current market price of titanium dioxide and lithopone is relatively high . In order to reduce costs, although there are lithopone or composite titanium dioxide compounded with other substances in the prior art, the use effect is often much worse than that of titanium...

Claims

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Application Information

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IPC IPC(8): C09C1/36C09C3/00
Inventor 王刚
Owner 王刚
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