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In the previous lesson, we explored the fundamental properties of hydrophobic and hygroscopic polymers. Now, we will shift our focus to hygroscopic polymers, emphasizing the pivotal role of the drying process in maintaining their performance and functionality. Effective polymer drying hinges on four critical factors: temperature, dew point, drying time, and airflow.
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Learning the Fundamentals of Polymer Drying
Goals of Polymer Materials Drying (Level 2):
Section Description:
This section will delve into the critical process of plastic drying, an essential step in preparing thermoplastic materials for processing. Thermoplastic polymers differ significantly in their ability to attract or absorb moisture from the surrounding air. Several factors, such as the specific type of polymer, including additives and the prevailing ambient humidity, influence this moisture absorption. If not adequately addressed, excessive moisture can adversely affect the efficiency of the processing equipment and lead to defects in the finished product’s physical properties or cosmetic quality.
Recommendation: Expert-Level Operators, & Technicians
Length: Lessons are approximately 15-20 minutes long each
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