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Heat-resistant iron oxide green pigment and synthesis method thereof

A technology of iron oxide green and iron oxide yellow, which is used in chemical instruments and methods, inorganic pigment processing, dyeing low molecular organic compound processing, etc.

Active Publication Date: 2021-09-14
SHENGHUA GROUP DEQING HUAYUAN PIGMENT +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a heat-resistant iron oxide green pigment and a preparation method thereof in order to overcome the deficiencies in heat resistance of iron oxide green in the coloring applications of plastics, coil steel coatings, artificial turf, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Weigh 10Kg iron oxide yellow pigment 810#, and evenly disperse iron oxide yellow in 100L water under stirring to form a mixed solution with iron oxide yellow content of 10%; weigh 4.0Kg sodium hydroxide and 10.0Kg aluminum sulfate octadecahydrate respectively , 0.70Kg sodium hexametaphosphate, and 0.50Kg zinc chloride were dissolved in 100L water to form solution A, solution B, solution C and solution D; then solution A, solution B, solution C and solution D were stirred sequentially Add the iron oxide yellow mixed solution, control the dropping time of each solution at 0.5 hours, control the reaction temperature at 80°C, and continue stirring for 1 hour after the solution is added, and prepare the coated iron oxide yellow pigment suspension;

[0023] Weigh 1.36Kg zinc chloride and 2.41Kg aluminum chloride hexahydrate, add in 100L water, configure mixed solution E; weigh 3.2Kg sodium hydroxide and 2.23Kg sulfonated cobalt phthalocyanine, configure mixed solution F; then ...

Embodiment 2

[0025] Weigh 10Kg iron oxide yellow pigment 810#, and evenly disperse iron oxide yellow in 100L water under stirring to form a mixed solution with iron oxide yellow content of 10%; weigh 4.0Kg sodium hydroxide and 10.0Kg aluminum sulfate octadecahydrate respectively , 0.70Kg sodium hexametaphosphate, and 0.50Kg zinc chloride were dissolved in 100L water to form solution A, solution B, solution C and solution D; then solution A, solution B, solution C and solution D were stirred sequentially Add iron oxide yellow mixed solution, control the dripping time of each solution within 1 hour, control the reaction temperature at 70°C, continue stirring for 2 hours after the solution is added, and prepare the coated iron oxide yellow pigment suspension;

[0026] Weigh 1.36Kg zinc chloride and 2.41Kg aluminum chloride hexahydrate, add in 100L water, configure mixed solution E; weigh 3.2Kg sodium hydroxide and 2.23Kg sulfonated cobalt phthalocyanine, configure mixed solution F; then Slowl...

Embodiment 3

[0028] Weigh 10Kg iron oxide yellow pigment 810#, and evenly disperse iron oxide yellow in 100L water under stirring to form a mixed solution with iron oxide yellow content of 10%; weigh 4.0Kg sodium hydroxide and 10.0Kg aluminum sulfate octadecahydrate respectively , 0.70Kg sodium hexametaphosphate, and 0.50Kg zinc chloride were dissolved in 100L water to form solution A, solution B, solution C and solution D; then solution A, solution B, solution C and solution D were stirred sequentially Add iron oxide yellow mixed solution, control the dripping time of each solution at 0.5h, control the reaction temperature at 60°C, continue stirring for 0.5h after the solution is added, and prepare the coated iron oxide yellow pigment suspension;

[0029] Weigh 1.36Kg zinc chloride and 2.41Kg aluminum chloride hexahydrate, add in 100L water, configure mixed solution E; weigh 3.2Kg sodium hydroxide and 2.23Kg sulfonated cobalt phthalocyanine, configure mixed solution F; then Slowly add mix...

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PUM

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Abstract

The invention provides a heat-resistant iron oxide green pigment, which is prepared from the following components in parts by mass: 10 to 15 parts of iron oxide yellow, 4.0 to 8.2 parts of sodium hydroxide, 10.0 to 12 parts of aluminum sulfate octadecahydrate, 0.70 to 1.2 parts of sodium hexametaphosphate, 0.50 to 2 parts of zinc chloride, 2.4 to 3.0 parts of aluminum chloride hexahydrate, 2.20 to 2.5 parts of sulfonated cobalt phthalocyanine and the balance of water.

Description

technical field [0001] The invention relates to a heat-resistant iron oxide green pigment and a synthesis method thereof, which can be used as a colorant in plastic processing, powder coating, and turf application. Background technique [0002] Globally, iron oxide is the second largest inorganic pigment after titanium dioxide and the largest colored inorganic pigment. Generally speaking, iron oxide colors include four types of iron oxide red, yellow, black and brown. Iron oxide green pigment is composed of iron yellow pigment and phthalocyanine blue pigment. It is a typical organic-inorganic composite pigment and can be used for coloring artificial turf, plastics, and coil steel coatings. According to reports, the current global consumption of iron oxide pigments is about 2 million tons, and the consumption amount can be close to 3 billion US dollars at most. [0003] Iron oxide yellow is iron oxyhydroxide, the chemical formula is usually α-FeOOH or α-Fe 2 O3·H 2 O is a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09C1/24C09C3/06C09C3/08
CPCC09C1/24C09C3/063C09C3/08C09C3/006C01P2006/37Y02P20/10
Inventor 潘国祥沈辉徐敏虹李金花竺增林郭玉华三岛祐司
Owner SHENGHUA GROUP DEQING HUAYUAN PIGMENT
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