Processing Machinery
6 조회수
LDPE Color Masterbatch Dispersion
문제 현상
Colored film shows color streaks and color difference, with poor compatibility between color masterbatch and base material
원인 분석
Insufficient compatibility between the color masterbatch carrier and the LDPE base material causes poor dispersion; low processing temperature and insufficient plasticization aggravate color streaks; improper color masterbatch addition ratio; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
해결 방법
① Select LDPE-carrier color masterbatch; ② ensure processing temperature for full plasticization and dispersion; ③ optimize the color masterbatch ratio according to coloring depth; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
핵심 요약
The foundation of color masterbatch dispersion lies in carrier compatibility; LDPE carrier plus full plasticization is the prerequisite for color matching quality; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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