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Production technique of mineral/TiO2 composite granular material

A composite particle and production process technology, applied in the field of mineral/TiO2 composite particle material production process, can solve the problems of production process and production cost limitation, inability to carry out large-scale industrial production, etc., and achieves suitable mass production and production cost. Low, dispersion-enhancing effect

Inactive Publication Date: 2015-11-11
安徽牛山矿业股份有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

In prior art, mineral / TiO 2 Composite granular materials are limited by the production process and production cost, making it impossible to carry out large-scale industrial production

Method used

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  • Production technique of mineral/TiO2 composite granular material

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Embodiment Construction

[0034] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the protection scope of the present invention will be defined more clearly.

[0035] See figure 1 , A mineral / TiO provided by the present invention 2 The composite particle material production process includes the following steps:

[0036] (1) Preparation of mineral core-coated matrix: add water, dispersant and grinding aid to the calcium carbonate raw materials, and superfinely grind it by the stirring and wet method to make the mineral core-coated matrix;

[0037] (2) Preparation of coated TiO 2 Paste: in TiO 2 Add water, dispersant and regulator to the raw materials, stir and disperse, adjust, grind and disperse, then make coated TiO 2 Slurry

[0038] (3) Preparation of TiO 2 Coated composite particles: the mineral is coate...

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Abstract

The invention discloses a production technique of a mineral / TiO2 composite granular material. The production technique comprises the following steps: preparing a mineral core base, preparing a coating TiO2 slurry, preparing TiO2-coated composite granules, preparing a mineral extending agent, mixing the TiO2-coated composite granules with the mineral extending agent, and carrying out liquid-phase homogenization, solid-liquid separation, drying and dispersion to obtain the mineral / TiO2 composite granular material. The production technique has the advantages of low production cost and excellent product performance, and is suitable for large-scale production.

Description

Technical field [0001] The invention relates to a production process of composite particle materials, in particular to a mineral / TiO 2 Composite particle material production process. Background technique [0002] Mineral / TiO 2 The composite particle material is a functional powder material composed of natural calcium carbonate mineral (CaCO3) particles as the nucleus, and crystalline titanium dioxide as the coating. It has similar pigment properties to titanium dioxide, but the cost is significantly lower. It is the same type of titanium dioxide. Mineral / TiO 2 Composite particle materials can replace titanium dioxide in coatings, plastics, papermaking, inks, rubbers and other occasions where the physical properties of titanium dioxide are used, and play a role in improving application product performance and reducing costs. In the prior art, mineral / TiO 2 The composite particle material is restricted by the production process and production cost, and cannot be large-scale indust...

Claims

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Application Information

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IPC IPC(8): C04B30/00
Inventor 杨振东文万茂
Owner 安徽牛山矿业股份有限公司
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