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PBN viscosity decrease problem in drawing processing
Problembeschreibung
Polybutylene naphthalate PBN shows viscosity decrease in drawing processing at 270-300°C.
Ursachenanalyse
Degradation under high-temperature processing at 270-300°C triggers the problem.
Lösung
Solved by nitrogen protection.
Wichtigste Erkenntnis
PBN ultra-high-temperature processing requires comprehensive protection.
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