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Summary of the basic knowledge of the difference between the most common carbon black and pigment carbon black and the products of white carbon black manufacturers

Summary of the basic knowledge of the difference between the most common carbon black and pigment carbon black and the products of white carbon black manufacturers

  • Categories:Industry News
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  • Time of issue:2020-06-23
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(Summary description)Summary of the basic knowledge of the difference between the most common carbon black and pigment carbon black and the products of white carbon black manufacturers

Summary of the basic knowledge of the difference between the most common carbon black and pigment carbon black and the products of white carbon black manufacturers

(Summary description)Summary of the basic knowledge of the difference between the most common carbon black and pigment carbon black and the products of white carbon black manufacturers

  • Categories:Industry News
  • Author:
  • Origin:
  • Time of issue:2020-06-23
  • Views:0
Information

Summary of the basic knowledge of the difference between the most common carbon black and pigment carbon black and the products of white carbon black manufacturers

What is carbon black?

Carbon black (also known as carbon black) is a quasi-graphite structure substance similar to spherical colloidal particles formed by incomplete combustion or thermal cracking of hydrocarbon compounds (mainly petroleum derivatives). It exists in the form of aggregates and appears to be Pure black powder or granular. The particle size, structure and surface activity of the product vary greatly depending on the raw material and production process. Carbon black is insoluble in water and has acidity and alkalinity. It produces carbon dioxide after burning. The main component of carbon black is carbon, which also contains trace amounts of hydrogen, oxygen, sulfur, ash, tar and water.

What is pigment carbon black?

The carbon black used as a pigment in coatings, inks and plastics is called pigment carbon black, or pigment carbon black. Pigment carbon black is used in paints, inks, and plastics. It also has the functions of conducting electricity, anti-static, shielding ultraviolet rays, and preventing resin aging. Therefore, people distinguish between carbon black used in rubber and broadly call pigment carbon black as special carbon. black.

According to statistics and forecasts of the US NOTCH Consulting Group: In 2007, the world's carbon black production capacity was 10.16 million tons, and it is expected that the world's carbon black production capacity will increase to more than 12 million tons in 2012. Among them, rubber carbon black used in the tire and rubber industries accounts for more than 90% of the total output, and only about 10% of the carbon black is used as a pigment.

Characteristics of pigment carbon black

1. Compared with other pigments, carbon black has better tinting power and hiding power.

2. Compared with other pigments, carbon black has very excellent heat resistance, chemical resistance and light resistance.

3. Because the particle size of carbon black is only a few nanometers to tens of nanometers, the porosity is 90%, and it is an inorganic material, it is difficult for ordinary carbon black to be stably dispersed in the organic resin system, and it is strictly controlled and The pigment carbon black produced by the special modification process can be well dispersed in coatings, inks and plastic systems.

4. Compared with rubber carbon black, pigment carbon black has more and more special requirements for blackness, tinting strength, surface activity, conductivity, ash content, toluene transmittance, dispersibility, fluidity and other quality indicators.

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