Plastic Black Masterbatches
- Mar 14, 2018 -

plastic black masterbatches has a dispersing effect and is a good carrier at the same time. The dispersion is mainly manifested in that the pigment can be evenly distributed into the resin, while the carrier mainly plays a transport role, and the two are closely connected.

The dispersion of plastic black masterbatches mainly means that the pigment is further dispersed and stabilized in the resin, and must be compatible with the resin, and does not affect the quality of the coloring product. Polyolefin masterbatch dispersants generally use low molecular weight polyethylene wax or zinc stearate. Engineering plastic masterbatch dispersants are generally used polar low molecular weight polyethylene wax, magnesium stearate, calcium stearate and so on. At the same time, the fluidity of the plastic black masterbatches carrier should be greater than that of the pigmented resin, and at the same time it will not affect the product quality after being colored.

For example, if a polymer with the same melt index is used, the melt index of the masterbatch is higher than that of the polymer, so as to ensure the consistency of the final product. PE, PP color masterbatch LDPE (low density polyethylene) resin as the carrier, PS, ABS masterbatch selected modified PS as carrier.

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