Extrusion & Post
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PPSU solution processing
Problem Phenomenon
PPSU solution processing coatings and films; solvent selection and environmental protection.
Cause Analysis
PPSU can be solution processed; solvent selection; concentration and viscosity; coating process; environmental safety.; During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
Solution
①Solvent selection; ②concentration control; ③coating optimization; ④environmental management; ⑤performance testing.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
PPSU solution processing is a special process; solvent management is the core; environmental compliance is the prerequisite.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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