Polymerization Reaction

Overview

In the polymerization reactions industry, the twin-screw extruder serves as a continuous reactor for polymers. It processes reactants, initiators, catalysts, and other components through heating, melting, mixing, reacting, extruding, and devolatilization to achieve the desired polymerization effect.

Using twin-screw extruders for continuous polymerization has distinct advantages over older batch reactor techniques.

1. the polymerization reaction in twin-screw extruders is a continuous process, resulting in time savings and high efficiency.

2. The twin-screw extruder creates an environment for evenly heating and blending the polymer.

3. Efficient heat exchange reduces unexpected reactions, and multi-point feeding increases process flexibility and adaptability.

4. The modular design and precise multi-point temperature control of twin-screw extruders enable real time monitoring of polymer morphology and reaction outcomes.

Operation Scope：

Continuous polymerization reaction of polymers.

Technical Solutions：

Material addition - Reaction extrusion - Pelletizing or direct transfer to downstream equipment.

Parameters:

Model	Screw diameter(mm)diameter(mm)	Max. screw speed(rpm)	L/D	Main motor power(kW)	Throughput(TPU example)
HKV54	54	150/300	68	22/45	100-200
HKV77	77	150/300	68	55/110	300-500
HKV100	100	150/300	68	90/200	600-1000
HKV140	140	150/300	68	250/450	1500-2500
HKV189	189	150/300	68	450/900	3000-4500