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Pigment yellow 38 emulsion and preparation method thereof

A technology for pigment yellow and emulsion, applied in the direction of pigment slurry, etc., can solve problems such as poor solubility, achieve good stability and solve the effect of solubility problems

Inactive Publication Date: 2015-12-02
WUJIANG TUNCUN PIGMENT PLANT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Technical problem to be solved: Pigment Yellow 38 has poor solubility in water due to its special chemical structure, which limits the use of Pigment Yellow 38 in water-based paints, water-based inks and other applications. The purpose of this invention is to provide a highly stable , easily dispersible pigment yellow 38 emulsion and preparation method thereof

Method used

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  • Pigment yellow 38 emulsion and preparation method thereof
  • Pigment yellow 38 emulsion and preparation method thereof
  • Pigment yellow 38 emulsion and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] (1) Pulverize Pigment Yellow 38 with a pulverizer, the pulverization time is 15 minutes, and pulverize until Pigment Yellow 38 has a mesh number of 200 mesh or more;

[0019] (2) By weight, 18 parts of Pigment Yellow 38 after pulverization, 3 parts of polyethylene glycol distearate, 4 parts of lauryl dimethyl amine oxide, 7 parts of lauryl isopropanolamine, hydroxyl 5 parts of ethylene diphosphonic acid were mixed and stirred in a stirred tank, the rotating speed of the stirred tank was 200rpm, and the stirring time was 20min;

[0020] (3) Take another 9 parts of carboxymethylhydroxypropyl guar gum, 3 parts of 1,2-propanediol, 10 parts of dioctyl sodium sulfosuccinate, and 500 parts of water by weight, put them into the stirring tank and then Stir for 0.5 h at a temperature of 60° C. to prepare Pigment Yellow 38 emulsion.

[0021] The Pigment Yellow 38 emulsion in Example 1 was centrifuged at 3000 rpm for 30 minutes without stratification, and after being dissolved in ...

Embodiment 2

[0023] (1) Pulverize Pigment Yellow 38 with a pulverizer, the pulverization time is 5 minutes, and pulverize until the number of pigment yellow 38 is more than 200 mesh;

[0024] (2) 10 parts of pigment yellow 38 after pulverization, 8 parts of polyethylene glycol distearate, 10 parts of lauryl dimethyl amine oxide, 3 parts of lauryl isopropanolamine, hydroxyl 2 parts of ethylene diphosphonic acid are mixed and stirred in a stirred tank, the rotating speed of the stirred tank is 50rpm, and the stirring time is 40min;

[0025] (3) Take 4 parts of carboxymethyl hydroxypropyl guar gum, 8 parts of 1,2-propanediol, 3 parts of dioctyl sodium sulfosuccinate, and 300 parts of water in addition by weight, put them into the stirring tank and then Stir for 2 hours at a temperature of 45° C. to prepare Pigment Yellow 38 emulsion.

[0026] The Pigment Yellow 38 emulsion in Example 2 was centrifuged at 3500 rpm for 20 minutes without stratification, and after being dissolved in water at 20...

Embodiment 3

[0028] (1) Pulverize Pigment Yellow 38 with a pulverizer, the pulverization time is 15 minutes, and pulverize until Pigment Yellow 38 has a mesh number of 200 mesh or more;

[0029] (2) 16 parts of Pigment Yellow 38 after pulverization, 7 parts of polyethylene glycol distearate, 5 parts of lauryl dimethyl amine oxide, 6 parts of lauryl isopropanolamine, and hydroxyl 4 parts of ethylene diphosphonic acid are mixed and stirred in a stirred tank, the rotating speed of the stirred tank is 200rpm, and the stirring time is 20min;

[0030] (3) Take 5 parts of carboxymethyl hydroxypropyl guar gum, 7 parts of 1,2-propanediol, 9 parts of diisooctyl sodium sulfosuccinate, and 350 parts of water in addition by weight, put them into the stirring tank and then Stir for 0.5 h at a temperature of 60° C. to prepare Pigment Yellow 38 emulsion.

[0031] The Pigment Yellow 38 emulsion in Example 3 was centrifuged at 5000 rpm for 15 minutes without stratification, and after being dissolved in wat...

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Abstract

The invention discloses a pigment yellow 38 emulsion and a preparation method thereof. The emulsion comprises 10-18 parts of pigment yellow 38, 3-8 parts of polyethylene glycol distearate, 4-10 parts of lauryl dimethyl amine oxide, 3-7 parts of lauric isopropanolamide, 2-5 parts of 1-hydroxyethylidene-1,1-diphosphonic acid, 4-9 parts of carboxylmethylhydroxypropyl guar gum, 3-8 parts of 1,2-propanediol, 3-10 parts of di-isooctyl sodium sulfosuccinate and 300-500 parts of water. The preparation method comprises the following steps: (1) grinding pigment yellow 38; (2) mixing and stirring pigment yellow, polyethylene glycol distearate, lauryl dimethyl amine oxide, lauric isopropanolamide and 1-hydroxyethylidene-1,1-diphosphonic acid; and (3) stirring carboxylmethylhydroxypropyl guar gum, 1,2-propanediol, di-isooctyl sodium sulfosuccinate and water, thus preparing the pigment yellow 38 emulsion. The prepared pigment yellow 38 emulsion has the characteristics of good stability and easiness in dispersion.

Description

technical field [0001] The invention belongs to the field of pigments, and relates to a pigment yellow 38 emulsion and a preparation method thereof. Background technique [0002] Pigment is a kind of colored fine particle powder substance, which is generally insoluble in water, oil, solvent and resin, and can be dispersed in various media. It has hiding power, tinting power, and is relatively stable to light. It is often used to prepare paints, inks, and colored plastics and rubbers, so it can also be called a colorant. Pigments are different from dyes in that dyes are generally soluble in water (old distinction), while pigments are generally insoluble in water. Dyes are mainly used for dyeing materials such as textiles. However, this distinction is not very clear, because some dyes may also be insoluble in water, and pigments are also used for pigment printing and original coloring of textiles. The chemical structure of organic pigments is similar to that of organic dyes...

Claims

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Application Information

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