An aging method of preform
PURPOSE: A method for aging a preform is provided to reduce the aging time, enhance a crystallinity, and to control the content of moisture. CONSTITUTION: A space for keeping an injected preform at 40-65deg.C of temperature and 55-80% of humidity is designed. The preform is aged in the space for the...
Gespeichert in:
Hauptverfasser: | , , , |
---|---|
Format: | Patent |
Sprache: | eng ; kor |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Schreiben Sie den ersten Kommentar!