1. How Carbon Black is Made
As we all know, carbon black is formed by incomplete combustion or cracking of hydrocarbons, and its manufacturing methods can be divided into two categories, namely incomplete combustion and thermal cracking. Among them, the incomplete combustion method is the thermal cracking of hydrocarbon compounds under the condition of aerobic participation, which is the most important manufacturing method. The thermal cracking method is carried out under anaerobic conditions, and few people use this method.
The incomplete combustion method can be divided into closed turbulent flow system and open diffusion flame system. The former can be divided into three types: oil furnace method, gas furnace method and lamp smoke method, and the latter can be divided into three types: tank method, drum method and mixed gas method. The main raw materials of different manufacturing methods are not the same. Among them, the oil furnace method is the most important method.
2. How to name and classify
Carbon black products produced by different manufacturing methods can be classified according to different aspects, and can be divided into carbon black for rubber and carbon black for non-rubber according to the application.
(1) Carbon black for rubber
According to the reinforcing performance of the filler compound, it can be divided into hard carbon black (tread carbon black) and soft carbon black (carcass carbon black);
The traditional nomenclature of carbon black is divided into channel black, gas furnace black and oil furnace black. Channel carbon black has been divided into three types: hard-to-mix carbon black, miscible carbon black and easy-to-mix carbon black; Furnace method carbon black, etc.; Oil furnace method carbon black also has high wear-resistant furnace method carbon black, super wear-resistant furnace method carbon black, fast press furnace method carbon black, general furnace method carbon black and oil furnace method semi-reinforced carbon black wait
(2) Non-rubber carbon black (special carbon black)
It is mainly classified according to performance or use, mainly including pigment carbon black, conductive carbon black, carbon black for plastics and various special carbon blacks.
Conductive carbon black can be divided into high pigment furnace black, high pigment tank black, medium pigment tank black, medium pigment furnace black, ordinary pigment tank black, ordinary pigment furnace black and low pigment furnace black, etc. Conductive carbon black can be divided into Conductive furnace carbon black, superconductive furnace carbon black and special conductive furnace carbon black. ; Carbon black for plastics can be divided into special carbon black for color masterbatch, special carbon black for sheathing material and special carbon black for shielding material according to the purpose.