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Method for improving glossiness of titanium tetrachloride particles

A titanium tetrachloride, gloss technology, applied in chemical instruments and methods, dyeing low molecular organic compound treatment, inorganic pigment treatment, etc. Titanium particle agglomeration and other problems, to prevent agglomeration, improve permeability, improve gloss effect

Inactive Publication Date: 2019-05-28
田长对
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such as CN200880014618.6, CN201110233081.6, CN201280012287.9, CN201410404059.7, in order to improve the anti-aging performance of titanium dioxide, the surface of titanium tetrachloride is coated with silicon dioxide or phosphate to form a dense glass-like film, However, the coating of these substances hinders the transmission of light, and the corresponding whiteness and gloss of titanium dioxide are significantly reduced.
On the other hand, the process of coating this dense film will lead to a certain degree of agglomeration of titanium tetrachloride particles. Although there is secondary crushing in the subsequent process, it still significantly affects the monodispersity of titanium dioxide.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0015] A method for improving the glossiness of titanium tetrachloride particles comprises the following steps. Step (A): dry grinding, pulverizing the calcined rutile titanium tetrachloride to form crude rutile titanium dioxide. The crushing is carried out by the grinding roller and grinding ring of the Raymond machine, which has little pollution to the product, and the product has good fineness and low oil absorption. At the same time, adjust the feed speed of the Raymond machine, the speed of the classifier, the air intake and other parameters so that the fineness of the crushed particles is 45 μm, and the sieve residue is ≤0.05%. Step (B): sieving, diluting the concentration of the rutile titanium dioxide slurry to 250g / L, and removing larger coarse titanium dioxide particles in the slurry through a sieve. Step (C): Coating, adding inorganic salts into the coating tank, the inorganic salts are mainly zirconium salts and aluminum salts. And the pH value is adjusted by add...

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PUM

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Abstract

The invention relates to a method of improving the glossiness of titanium tetrachloride particles and belongs to the field of chemical engineering. The method comprises the following steps of dry grinding, sieving, envelope formation, gas powder production and the like; and mainly, a silicon component and a boron component are added in wet grinding. Compared with the prior art, in the method, thesilicon component and the boron component are added in the grinding process, so that titanium tetrachloride can be ground to a certain fineness and concentration, a titanium tetrachloride pigment is kept at the size of primary particles, the titanium tetrachloride particles are prevented from being agglomerated due to an envelope, the light permeability of the surface of the titanium tetrachlorideis further improved at the same time, and the glossiness in the use process is improved.

Description

technical field [0001] The invention belongs to the field of chemical industry, and in particular relates to a method for improving the glossiness of titanium tetrachloride particles. Background technique [0002] As the theme of furniture production and sales, environmental protection is impacting every link of furniture production and raw and auxiliary materials. For furniture coatings, it is also undergoing a transformation from traditional wood coatings to environmentally friendly coatings. The development of water-based wood paint complies with the requirements of environmental protection regulations, greatly reducing the release of organic compounds in wood paint, and is becoming another market hotspot after architectural latex paint for interior and exterior walls. At present, there are three main types of water-based wood paint products in my country: one is wood paint with acrylic acid as the main component. Low and not high-tech. The second is the composition of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09C1/36C09C3/04C09C3/06C09C3/08
Inventor 田长对
Owner 田长对