Injection Molding
5 조회수
Uneven Color of CMC Mixed with Color Masterbatch
문제 현상
Color streaks and areas of varying color depth appear in CMC/color masterbatch injection molded products
원인 분석
The carrier resin of color masterbatch is incompatible with CMC; color masterbatch is poorly dispersed and pigments agglomerate; unstable melt flow during '2079851475616104452 causes pigment orientation
해결 방법
1)Select CMC or similar carrier color masterbatch to ensure compatibility; 2)Pre-disperse by twin-screw extrusion pelletizing; 3)Appropriately extend mixing time to ensure pigment dispersion; 4)Reduce injection speed to reduce pigment orientation
핵심 요약
Color masterbatch carrier matching and full dispersion are the key to color uniformity
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