Traditional plastic masterbatch processing method according to the process route can be divided into two roll open refining method, mixing method, extrusion method three, commonly used equipment is double roll machine, single screw extruder, double screw extruder, mixing machine and other mixing equipment. The masterbatch prepared by this method has some disadvantages, such as uneven distribution of additives in carrier resin, poor cross section adhesion between additives and carrier resin, and complicated production process.

In view of the above shortcomings, many new processing technologies have been developed, new masterbatch processing technologies include (1) carrier resin selection and treatment technology; (2) polymer encapsulation technology; (3) liquid phase blending method; (4) melt phase blending method; (5) Molecular self-assembly, etc.

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