Extrusion & Post
6 مشاهدة
PBAT anti-blocking agent selection
ظاهرة المشكلة
Improper type and addition amount of PBAT anti-blocking agent, poor opening effect or migration and precipitation.
تحليل الأسباب
Selection of anti-blocking agent type (silica, stearates, etc.); addition amount insufficient or excessive; dispersion uniformity; migration and precipitation affect heat sealing and printing.; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
الحل
①Select anti-blocking agent type according to the process; ②optimize addition amount; ③ensure the dispersion process; ④migration test evaluation.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
الخلاصة الأساسية
Selection and dosage of PBAT anti-blocking agent is formulation technology; migration risk must be evaluated; dispersion quality affects the effect.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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