Process Time Importance in the Product Properties Evolvement During Extrusion Coating of Different LDPE Grades, 2018 Advanced Coating Symposium
Process time in air gap region is one of the most important variables in the coating property development, when the molten polymer is moving from the die exit into the nip region in extrusion coating. Coating property devolvement of different LDPE grades are presented in the paper. The importance of the throughput rate and line speed to the process times is discussed By considering the effect of molecular structure of different polyolefins. The draw down ratio based on the grammage measurements is proposed to use in the practical situations.
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