Preparation method of black iron oxide particles with corrosion inhibition performance

A technology of iron oxide black and performance, applied in the treatment of dyeing low molecular organic compounds, dyeing high molecular organic compounds, fibrous fillers, etc. Achieve the effect of increasing corrosion inhibition performance, strong alkali resistance and high tinting strength

Inactive Publication Date: 2013-09-11
TONGLING RELY TECH
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  • Claims
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AI Technical Summary

Problems solved by technology

However, iron oxide black will fade and change color at higher temperatures, and its heat resistance is poor, which limits the scope of use of iron oxide black.

Method used

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Experimental program
Comparison scheme
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Embodiment Construction

[0011] A preparation method of iron oxide black particles with corrosion inhibiting performance, comprising the following steps:

[0012] (1) Weigh urotropine, ethyl hydroxyethyl cellulose and sodium lauryl sulfate in a weight ratio of 3:1.5:1 and add them to 8 times deionized water, heat in a water bath to 50°C, and ultrasonically disperse for 35 minutes. get viscous liquid;

[0013] (2) Take 130 parts by weight of iron oxide black and add it to the granulator for granulation, and at the same time, spray 65 parts of the viscous liquid prepared in step (2) evenly on the iron oxide black powder to form iron oxide black small particles;

[0014] (4) Dry the iron oxide black particles prepared in step (2) at 90°C, and pass through a 60-mesh sieve to obtain the finished product.

[0015] The iron oxide black product performance analysis data that present embodiment produces is as following table:

[0016] project index Test results Water solubl...

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Abstract

The invention discloses a preparation method of black iron oxide particles with corrosion inhibition performance. The method comprises the following steps of: dissolving urotropin, ethyl hydroxy ethylcellulose and lauryl sodium sulfate in deionized water according to the definite weight ratio, thereby obtaining a viscous liquid; putting black iron oxide into a granulating machine for granulating while evenly spraying the viscous liquid onto the black iron oxide powder at the same time, thereby forming small black iron oxide particles; and drying and screening the small black iron oxide particles, thereby obtaining a finished product. According to the method, the black iron oxide is modified by the urotropin and other components, so that the corrosion inhibition performance of the black iron oxide is enhanced; and the liquidity and the dispersibility of a black iron oxide pigment are realized. The produced black iron oxide has the characteristics of being excellent in temperature resistance, good in acid and alkali resistance, strong in light absorption, high in tinting strength, good in compatibility and dispersibility and the like, thereby being wide in market prospect.

Description

technical field [0001] The invention relates to a preparation method of iron oxide black, in particular to a preparation method of iron oxide black particles with corrosion inhibition performance. Background technique [0002] Iron oxide black, the molecular formula is Fe 3 o 4 , is black powder, is Fe 2 o 3 It is an adduct with FeO, insoluble in water, magnetic, and has high coloring power and hiding power. As one of the iron-based pigments, iron oxide black is widely used in phenolic anti-rust paint fillers and heavy-duty anti-corrosion paint primers in the construction industry due to its non-toxic, odorless, and non-polluting characteristics; it is used in rubber, plastic When coloring, it has the effect of strengthening aging and protecting organic matter from being degraded by ultraviolet light; in addition, it is also used for coloring of artificial marble, ceramics and cement floors. However, iron oxide black will fade and change color at higher temperatures...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09C1/24C09C3/08C09C3/10
Inventor 姚佐胜孙晓庆章志海曹阳黄忠达杜松松刘凡缪志剑沃承立
Owner TONGLING RELY TECH
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