From the whole, it is still in the initial stage of the research of the theory of the laboratory extruder, which is called "the skill is more than the science":
1, polymer in the extrusion process of state change rules, transporting the solid melt transport exhaust principle and rules, establish a mathematical physical model used to optimize the teaching of twin-screw extruder and extrusion process planning.

2, to find out more than two kinds of polymers and materials in the extrusion process state changes in the real situation, mixed shape, the process of structural change, as well as the final mixture and function of contact

3, as a twin screw extruder, extrusion reaction reaction process, speed, function and screw configuration, operating conditions of the internal contact between the establishment of the model, used to teach reactive extrusion.