Why is white carbon black called white carbon black?
Many friends know that white silica powder has a common name called white carbon black, but do you know why it is called?
Silica and carbon black
Relationship between silica and carbon black
Before we know about white carbon black, we should know about carbon black, which is closely related to the source of its name.
People mastered the technology of burning smoke and making ink more than 3000 years ago, but the production technology of carbon black has developed slowly for a long time. It was not until 1872 that the large-scale production of carbon black industry appeared in the world for the first time. At the same time, the term "carbon black" came into being, which is the beginning of the modern carbon black industry. In 1912, the British mottee discovered the reinforcing effect of carbon black on rubber, especially the significant improvement of tire wear resistance. Since then, the demand for carbon black has increased rapidly and has gradually become an indispensable raw material for the rubber industry.
Carbon black is used as reinforcing material in rubber industry
Carbon black has been used as reinforcing material in rubber industry for more than 100 years
During the first World War, due to the shortage of energy materials for the production of carbon black, Germany began to use white silica produced by precipitation method to replace carbon black, and the white amorphous silica was named white carbon black because its physical properties and uses were similar to carbon black. Later, due to the rapid development of automobile and its transportation industry, the price rise of raw materials for carbon black production and the requirements of energy conservation and emission reduction, white carbon black has become the leader of reinforcing materials in the rubber industry. At present, white carbon black is used in colored rubber products, which can completely replace carbon black for reinforcement to meet the needs of white or translucent products.
The manufacturing of car "green tire" and winter tire is the specialty of white carbon black. White carbon black is used in tires to obtain lower rolling resistance and improve tire grip, so as to improve vehicle fuel efficiency. These energy-saving wheels with high fuel efficiency are also called "green tires".
Nowadays, the white carbon black we are talking about is not simply a substitute for carbon black in rubber formula, but a general term of X-ray amorphous silica and silicate white ultra-fine powder. This kind of powder material has a very wide range of applications. According to different preparation routes, it is mainly divided into precipitation white carbon black and gas phase white carbon black. The following will briefly summarize its process and application.
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