Material Drying
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Degradation yellowing problem of PBS biodegradable material in blown film
Fenómeno del problema
Polybutylene succinate PBS shows degradation yellowing in blown film processing at 140-200°C.
Análisis de la causa
Caused by poor thermal stability of PBS and moisture sensitivity.
Solución
Improved by shortening the residence time.
Conclusión clave
The degradation characteristics of PBS require gentle processing.
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