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Colorful ink powder prepared by adopting miniemulsion polymerization and method thereof

A technology of fine emulsion polymerization and color toner, which is applied in the direction of instruments, developers, optics, etc., can solve the problems of easy leakage and weak combination, and achieve the effect of simple process, regular particle shape and uniform color

Inactive Publication Date: 2014-01-29
NANJING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a kind of color toner prepared by miniemulsion polymerization and its method to solve the problem that the combination of pigment, wax and resin is not firm and easy to leak

Method used

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  • Colorful ink powder prepared by adopting miniemulsion polymerization and method thereof
  • Colorful ink powder prepared by adopting miniemulsion polymerization and method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Select the following raw materials in parts by weight: 70 parts of styrene, 20 parts of butyl acrylate, 3 parts of absolute ethanol, 5 parts of paraffin, 5 parts of yellow pigment, 0.05 parts of charge regulator (E84 metal complex), potassium persulfate 1.8 parts, emulsifier 15 parts, coagulant (calcium chloride) 20 parts, hydrophobic nano-SiO 2 : 2 parts, 900 parts of deionized water.

[0043] Dissolve the above-mentioned charge regulator in absolute ethanol, disperse the yellow pigment PY17 in the mixed monomer of styrene and butyl acrylate under ultrasonic, add the ethanol solution of the charge regulator into the mixed monomer under ultrasonic, and continue the ultrasonic dispersion for 10 minutes. Prepare mixed material A;

[0044] Then put the mixture A in a water bath at 65°C, add the paraffin to the mixture A, wait until the paraffin is completely melted, stir to obtain a uniform organic phase B;

[0045] After that, put the emulsifier (combined with sodium la...

Embodiment 2

[0054] Select the following raw materials in parts by weight: 75 parts of styrene, 22 parts of butyl acrylate, 5 parts of absolute ethanol, 10 parts of paraffin, 8 parts of blue pigment, 0.1 part of charge regulator (E84 metal complex), persulfuric acid Potassium 2 parts, emulsifier 20 parts, coagulant (magnesium chloride) 25 parts, hydrophobic nano SiO 2 3 parts, 800 parts of deionized water.

[0055] Dissolve the above charge regulator in absolute ethanol, ultrasonically disperse the blue pigment PB15:3 in the mixed monomer of styrene and butyl acrylate, add the ethanol solution of the charge regulator into the mixed monomer under ultrasound, and continue the ultrasonic dispersion 15min, prepared mixed material A;

[0056] Then put the mixture A in a water bath at 65°C, add the paraffin to the mixture A, wait until the paraffin is completely melted, stir to obtain a uniform organic phase B;

[0057] After that, put the emulsifier (compounded by sodium lauryl sulfate and T...

Embodiment 3

[0063] Select the following raw materials in parts by weight: 80 parts of styrene, 25 parts of butyl acrylate, 8 parts of absolute ethanol, 15 parts of paraffin, 10 parts of red pigment, 0.2 parts of charge regulator (E84 metal complex), potassium persulfate 2.5 parts, emulsifier 25 parts, coagulant (aluminum chloride) 35 parts, hydrophobic nano-SiO 2 5 parts, 700 parts of deionized water.

[0064] Dissolve the above-mentioned charge regulator in absolute ethanol, ultrasonically disperse the red pigment PR122 in the mixed monomer of styrene and butyl acrylate, add the ethanol solution of the charge regulator into the mixed monomer under ultrasonic, continue ultrasonic dispersion for 15 minutes, and prepare Obtain mixed material A;

[0065] Then put the mixture A in a water bath at 65°C, add the paraffin to the mixture A, wait until the paraffin is completely melted, stir to obtain a uniform organic phase B;

[0066] After that, put the emulsifier (combined with sodium laury...

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Abstract

The invention discloses a colorful ink powder prepared by adopting miniemulsion polymerization and a method thereof. A core-shell compound emulsion particle of a resin coated pigment, wax and a charge agent is prepared by adopting a miniemulsion polymerization method and has a particle diameter of 50-100nm, then a colored ink powder particle which has a particle diameter of 50-10 mu m is prepared through an electrolyte agglomeration compounding method, and the colorful ink powder is prepared through steps of separating, washing, drying, adding and the like. According to the colorful ink powder, the pigment and the wax are packaged by adopting the resin, thus the leakage problem of the pigment and the wax is effectively solved. The prepared colorful ink powder has the advantages of controllable particle diameter, narrower distribution, uniform dispersing of components and the like and the morphology of the particles is regular.

Description

technical field [0001] The invention relates to a color toner used in color printers, copiers, facsimile machines and printing machines and a preparation method thereof. Background technique [0002] In recent years, with the development of office automation and the popularization of color printing and copying, the market demand for color toner as consumables for color printing, copying, faxing and printing is huge and is developing rapidly. The traditional melting pulverization toner preparation technology can no longer meet the performance requirements of color toner. At present, the color toners used in color printers, copiers, fax machines and printing machines are polymer powders synthesized by chemical methods. Polymerization method color toner is mainly composed of resin, pigment, wax, charge agent and additives. The method of polymerization method to prepare color toner mainly includes suspension polymerization method and emulsion polymerization method. Suspension p...

Claims

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Application Information

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IPC IPC(8): G03G9/097G03G9/08
Inventor 叶明泉任成露李建韩爱军陈昕刘松松
Owner NANJING UNIV OF SCI & TECH
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