Molding Process
14 görüntüleme
Incomplete thermal imidization
Sorun Belirtisi
The imidization degree of PI is lower than the target value and performance is substandard
Neden Analizi
Final heat treatment temperature not high enough or time insufficient; PAA film/product too thick, internal temperature uneven
Çözüm
Ensure the final treatment temperature is ≥300°C and hold for a sufficient time; confirm the imidization characteristic peaks by IR spectroscopy (1780/1720/1380 cm⁻¹); control the sample thickness
Temel Çıkarım
The imidization degree (imidization rate) determines the final performance of PI
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