Polystyrene (Polystyrene, abbreviated as PS) refers to a polymer synthesized by free radical addition polymerization of styrene monomer. It is a colorless and transparent thermoplastic with a glass transition temperature higher than 100°C, so it is often used to make various disposable containers that need to withstand the temperature of boiling water, as well as disposable foam lunch boxes, etc. Here is the relevant information about one of the base materials used in PS polystyrene particles, black pigment carbon black.
Carbon black content for polystyrene pellets
The content of carbon black used in polystyrene particles is 2-2.6%. Of course, the specific amount of carbon black added to PS polystyrene particles depends on the specific production process and the performance of the carbon black used, such as If you use highly pigmented carbon black to add less to PS polystyrene particles, if you use low-color pigment carbon black to add more to PS polystyrene particles.
Application of carbon black for polystyrene
Carbon black for polystyrene can be used in many places, such as ordinary polystyrene, expanded polystyrene (EPS), high impact polystyrene (HIPS) and syndiotactic polystyrene (SPS).
Which carbon black is good for dispersion of polystyrene
When it comes to which carbon black is easy to disperse for PS polystyrene, in fact, most industries need to add carbon black dispersant when using carbon black, but usually powder carbon black is more stable than granular carbon black in carbon black products. It is easy to disperse, and before the carbon black is added to the base material, it is necessary to do a good job of grinding and grinding the carbon black finely, which is conducive to the dispersion of carbon black.