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Pigment red 112 dispersions and preparation method thereof

A dispersion and pigment red technology, applied in the field of pigments, can solve problems such as poor dispersion performance and unstable state, and achieve the effects of improving stability and overcoming poor water solubility and dispersibility

Inactive Publication Date: 2015-10-28
WUJIANG TUNCUN PIGMENT PLANT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Technical problem to be solved: the purpose of this invention is to improve the solubility and stability of Pigment Red 112 in water, solve the problem of poor dispersion performance and unstable state of conventional Pigment Red 112 dispersions, and then improve Pigment Red 112 in water. Uses in inks, paints, etc.

Method used

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  • Pigment red 112 dispersions and preparation method thereof
  • Pigment red 112 dispersions and preparation method thereof
  • Pigment red 112 dispersions and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] (1) Take 20 parts of Pigment Red 112 by weight, 6 parts of dioctyl sodium succinate sulfonate, 10 parts of coco-based dimethyl tertiary amine, 9 parts of hydroxyethylene diphosphonic acid, and isomyristate. 7 parts of propyl ester, the above ingredients are mechanically mixed at a temperature of 70°C, and stirred until uniform; (2) 4 parts of isotridecanol myristate are added to the mixed ingredients of step (1) by weight, 12 parts of polyvinylpyrrolidone, 4 parts of polyepoxysuccinic acid, 8 parts of sodium carboxymethyl starch, 150 parts of water, and then adjust the temperature to 80°C, and then stir until it is uniform; (3) Step (2) After uniformly stirring, the mixed components are cooled to room temperature, and then the mixed dispersion is sheared. The shearing speed is 8000 rpm, the shearing time is 10 min, and the shearing ends, and it is a pigment red 112 dispersion.

[0021] The pigment red 112 dispersion of Example 1 was centrifuged at 5000 rpm for 30 minutes w...

Embodiment 2

[0023] (1) Take 10 parts of Pigment Red 112 by weight, 12 parts of dioctyl sodium succinate sulfonate, 4 parts of coco-based dimethyl tertiary amine, 5 parts of hydroxyethylene diphosphonic acid, and iso-myristate 3 parts of propyl ester, the above ingredients are mechanically mixed at a temperature of 40°C and stirred until uniform; (2) 2 parts of isotridecanol myristate are added to the mixed ingredients of step (1) by weight, 5 parts of polyvinylpyrrolidone, 8 parts of polyepoxysuccinic acid, 2 parts of sodium carboxymethyl starch, 200 parts of water, and then adjust the temperature to 50°C, and then stir until uniform; (3) Step (2) After uniformly stirring, the mixed components are cooled to room temperature, and then the mixed dispersion is sheared. The shearing speed is 4000rpm, the shearing time is 50min, and the shearing ends, and it is a pigment red 112 dispersion.

[0024] The pigment red 112 dispersion of Example 2 was centrifuged at 5000 rpm for 30 minutes without del...

Embodiment 3

[0026] (1) Take 12 parts of Pigment Red 112, 10 parts of dioctyl sodium succinate sulfonate, 9 parts of coco-based dimethyl tertiary amine, 6 parts of hydroxyethylene diphosphonic acid, and isomyristate by weight. 6 parts of propyl ester, the above ingredients are mechanically mixed at a temperature of 70°C and stirred until uniform; (2) 3 parts of isotridecanol myristate are added to the mixed ingredients of step (1) by weight, 7 parts of polyvinylpyrrolidone, 7 parts of polyepoxysuccinic acid, 4 parts of sodium carboxymethyl starch, 190 parts of water, and then adjust the temperature to 80°C, and then stir until it is uniform; (3) Step (2) After uniformly stirring, the mixed components are cooled to room temperature, and then the mixed dispersion is sheared. The shearing speed is 8000 rpm, the shearing time is 10 min, and the shearing ends, and it is a pigment red 112 dispersion.

[0027] The pigment red 112 dispersion of Example 3 was centrifuged at 6000 rpm for 30 minutes wit...

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Abstract

The invention discloses pigment red 112 dispersions and a preparation method thereof. The dispersions comprise pigment red 112, a surfactant, a high molecular polymer, an addition agent and the like. The preparation method comprises the following steps that 1, the pigment red 112, sodium diethylhexyl sulfosuccinate, cocodimethylamine, etidronic acid, isopropyl myristate are taken by weight, mechanically mixed and stirred until smooth; 2, isotridecyl myristate, polyvinylpyrrolidone, polyepoxysuccinic acid, sodium carboxymethyl starch and water are added and stirred until smooth; 3, mixed components which are stirred evenly in the step 2 are cooled to the room temperature, mixed dispersions are sheared, and after shearing is finished, the pigment red 112 dispersions are obtained. The prepared pigment red 112 dispersions have the better dispersity and stability, and can be applied to water-based ink and coating.

Description

Technical field [0001] The invention belongs to the field of pigments, and relates to a pigment dispersion and a preparation method thereof, in particular to a pigment red 112 dispersion and a preparation method thereof. Background technique [0002] Pigment Red 112 is a bright neutral red, used in various printing inks. The specific surface area of ​​PR.112 is 17M2 / G, which has high color strength and excellent light fastness) 1 / 1SD level 6); The lightfastness of the printing paste is grade 7, but the dry cleaning resistance is slightly worse; it is used for air-drying paints and baked enamels, and the light resistance is 7-8, and the dilute color is 6-7. It can be used for high-end automotive coatings and latex. Lacquer; mixed with Pigment Yellow 83 and Pigment Violet 23 for wood coloring. Water-based paints and water-based inks are required to have the same fluidity, storage stability, film gloss, vividness, and tinting power as oil-based paints and oil-based inks. [0003] Ho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D17/00C09B67/46
Inventor 张建强
Owner WUJIANG TUNCUN PIGMENT PLANT
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