Molding Process
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PBN degradation discoloration Problem in Film Processing
Problem Phenomenon
Polybutylene naphthalate PBN exhibits degradation discoloration in film processing at 270-300°C.
Cause Analysis
Under high-temperature processing at 270-300°C, degradation causes the problem.
Solution
Solve by drying to a moisture content of <50ppm.
Key Takeaway
PBN ultra-high-temperature processing requires comprehensive protection.
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