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Organic pigment dispersing agent based on triazine derivative and preparation method thereof

A technology of triazine derivatives and organic pigments, applied in the field of organic pigments, can solve the problems of inability to take into account the dispersibility, fluidity, tinting strength properties of organic pigments, etc., and achieves improved dispersibility, good flame retardancy and thermal stability. Effect

Active Publication Date: 2021-08-03
宁波中苑颜料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above deficiencies in the prior art, the object of the present invention is to provide a triazine derivative-based organic pigment dispersant to solve the problem that the existing organic pigment dispersant cannot take into account the organic pigment dispersibility, fluidity, and tinting strength performance. , and comprehensive issues such as flame retardancy and thermal stability

Method used

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  • Organic pigment dispersing agent based on triazine derivative and preparation method thereof
  • Organic pigment dispersing agent based on triazine derivative and preparation method thereof
  • Organic pigment dispersing agent based on triazine derivative and preparation method thereof

Examples

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Embodiment 1

[0025] According to the organic pigment dispersant based on triazine derivatives of the present embodiment, the structure of the organic pigment dispersant is as shown in the chemical formula I-a,

[0026]

[0027] In the formula, R9~R11 and R17~R19 are all selected from butyl.

[0028] The preparation method of the organic pigment dispersant based on triazine derivatives of the present embodiment, it comprises the following steps:

[0029] S1: Dissolve 10mL of 0.1mol / L cyanuric chloride in 50mL of acetonitrile, add ethylenediamine dropwise at a molar ratio of 1:1 between ethylenediamine and cyanuric chloride, after the addition is completed, place in an ice bath React for 1.5h, then add 2-chloroethyl methyl ether, the 2-chloroethyl methyl ether is added dropwise according to the molar ratio of 2-chloroethyl methyl ether and ethylenediamine as 1:1, slowly Raise the temperature to 70°C for reaction, after 3 hours of reaction, cool to room temperature, and use recrystallizat...

Embodiment 2

[0034] The organic pigment dispersant based on triazine derivatives of the present embodiment, the structure of the organic pigment dispersant is as shown in the chemical formula I-b,

[0035]

[0036] In the formula, R9~R11 and R17~R19 are all selected from butyl.

[0037] The preparation method of the organic pigment dispersant based on triazine derivatives of the present embodiment, it comprises the following steps:

[0038] S1: Dissolve 10mL of 0.3mol / L cyanuric chloride in 50mL of acetonitrile, add butanediamine dropwise at a molar ratio of 1:1 between butylenediamine and cyanuric chloride, after the addition is completed, place in an ice bath After reacting for 3 hours, add chloromethyl methyl ether dropwise according to the molar ratio of chloromethyl methyl ether and butanediamine as 1:1, slowly raise the temperature to 80°C for reaction, after reacting for 5 hours, cool to room temperature, and use recrystallization The way of separating and obtaining the intermed...

Embodiment 3

[0043] According to the organic pigment dispersant based on triazine derivatives of the present embodiment, the structure of the organic pigment dispersant is shown in the chemical formula I-c,

[0044]

[0045] In the formula, R9~R11 and R17~R19 are all selected from butyl.

[0046] The preparation method of the organic pigment dispersant based on triazine derivatives of the present embodiment, it comprises the following steps:

[0047] S1: Dissolve 10 mL of 0.5 mol / L cyanuric chloride in 50 mL of acetonitrile, add pentamethylenediamine dropwise at a molar ratio of 1:1 between pentamethylenediamine and cyanuric chloride. React for 5h, then add 3-chloropropyl methyl ether, the 3-chloropropyl methyl ether is added dropwise according to the molar ratio of 3-chloropropyl methyl ether and pentamethylenediamine as 1:1, and slowly heat up The reaction was carried out at 70°C, and after 8 hours of reaction, it was cooled to room temperature, and the intermediate product a was iso...

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Abstract

The invention discloses an organic pigment dispersing agent based on a triazine derivative. The organic pigment dispersing agent based on the triazine derivative comprises an organic pigment dispersing agent as shown in a chemical formula I. A preparation method for the organic pigment dispersing agent based on the triazine derivative comprises the following steps: with cyanuric chloride as a basic raw material, carrying out a substitution reaction on the cyanuric chloride, diamine and methyl ether halohydrocarbon to obtain an intermediate product a; carrying out a substitution reaction on the intermediate product a, a vinyl benzene sulfonamide compound to obtain an intermediate product b; carrying out an addition reaction on a diene compound and an allyl quaternary phosphonium salt raw material to obtain an intermediate product c; carrying out an addition reaction on the intermediate product c and the intermediate product b to obtain an intermediate product d; and carrying out an ion exchange reaction on the intermediate product d and tetrafluoroborate or hexafluorophosphate to obtain the organic pigment dispersing agent as shown in the chemical formula I. The prepared organic pigment dispersing agent not only can improve the dispersity, fluidity and tinting strength of organic pigment, but also has good flame retardance and thermal stability.

Description

technical field [0001] The invention relates to the technical field of organic pigments, in particular to an organic pigment dispersant based on triazine derivatives and a preparation method thereof. Background technique [0002] Organic pigments are insoluble organic substances, which are usually added to the substrate in a highly dispersed state to color the substrate. Organic pigments are widely used in the coloring of inks, paints, coatings, and synthetic fibers, as well as the pigment printing of fabrics, the coloring of plastics, rubber, and leather. Organic pigments have bright colors and strong tinting power; they are non-toxic, but the light resistance, heat resistance, solvent resistance and flame retardancy of some varieties are often inferior to inorganic pigments. On the other hand, organic pigment particles are prone to agglomeration, and the dispersibility of organic pigments has an important impact on its performance. The research on the dispersibility of o...

Claims

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Application Information

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IPC IPC(8): C07F9/6521B01F17/32C09B67/46C09K21/12C09K23/32
CPCC07F9/6521C09K21/12C09B67/0088C09K23/14
Inventor 王猛
Owner 宁波中苑颜料有限公司