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Method for preparing oxidation-resisting iron oxide black granules

An anti-oxidation technology of iron oxide black, applied in chemical instruments and methods, dyeing organic silicon compound treatment, dyeing low-molecular organic compound treatment, etc., can solve the problems of limited use range of iron oxide black, poor heat resistance stability, discoloration, etc. , to achieve the effect of improving anti-oxidation performance, strong anti-oxidation performance and high tinting strength

Active Publication Date: 2013-09-11
TONGLING RELY TECH
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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
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Embodiment Construction

[0015] A preparation method of anti-oxidation iron oxide black particles, comprising the following steps:

[0016] (1) Weigh the silane coupling agent KH570, catechol and Span-80 in a weight ratio of 3:2:1 and add them to 10 times deionized water, heat in a water bath to 60°C, and ultrasonically disperse for 25 minutes to obtain a viscous liquid;

[0017] (2) Add 2.5% of antioxidant 1010 and 2% of high wear-resistant carbon black to the viscous liquid prepared above, and disperse at 3000rpm high-speed shear for 10 minutes to obtain antioxidant 1010 and carbon black modified viscous liquid;

[0018] (3) Take 120 parts by weight of iron oxide black and add it to the granulator for granulation, and at the same time, spray 60 parts of the modified viscous liquid prepared in step (2) evenly on the iron oxide black powder to form an oxide black powder. Iron black small particles;

[0019] (4) Dry the iron oxide black particles prepared in step (3) at 90°C, and ...

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Abstract

The invention discloses a method for preparing oxidation-resisting iron oxide black granules. The method comprises the following specific steps of: dissolving a silane coupling agent KH570, catechol and Span-80 into deionized water according to a certain weight ratio, so as to obtain viscous liquid; adding an antioxidant 1010 and carbon black to the obtained viscous liquid so as to carry out modification; and adding iron oxide black to a granulator for granulation while uniformly spraying the modified viscous liquid to iron oxide black powder, so as to form small iron oxide black granules, drying and sieving, thereby obtaining finished products. The iron oxide black granules prepared by the method have the characteristics of excellent temperature resistance, good acid resistance, good oxidation resistance, strong light absorption, high coloring power, good compatibility, good dispersion and the like and have huge market prospects.

Description

technical field [0001] The invention relates to a preparation method of iron oxide black, in particular to a preparation method of anti-oxidation iron oxide black particles. 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, and its heat resistan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09C1/24C09C3/12C09C3/06C09C3/08
Inventor 孙晓庆章志海曹阳黄忠达杜松松刘凡缪志剑黎镇沃承立
Owner TONGLING RELY TECH
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