Polyblend melting in intermeshing counter-rotating twin screw extruders
from SPE Plastics Research Online
Extrusion is the process where heated plastic is forced by a rotating metal screw through a shaping orifice (i.e., a die) in one continuous, formed shape to produce films, sheets, or pipes. The extruders are multi-component machines that require precise control over each step to ensure products are made accurately and with minimal waste. For example, polymer melting is one of the main functions of a plasticating extruder machine.
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