Injection Molding
5 조회수
Uneven color when EAA is mixed with color masterbatch
문제 현상
EAA/color masterbatch injection molded products show color streaks and areas of uneven color depth
원인 분석
The carrier resin of the color masterbatch is incompatible with EAA; poor dispersion of the color masterbatch, pigment agglomeration; unstable melt flow during '2079851475616104452 causes pigment orientation
해결 방법
1) Select EAA or similar carrier color masterbatch to ensure compatibility; 2) Twin-screw extrusion pelletizing for pre-dispersion; 3) Appropriately extend the mixing time to ensure pigment dispersion; 4) Reduce the injection speed to reduce pigment orientation
핵심 요약
Carrier matching of the color masterbatch and full dispersion are the key to color uniformity
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