Injection Molding
4 조회수
Fluidity decline of PET modified material
문제 현상
After adding fillers (glass fiber, mineral powder) or flame retardants to PET, MFI decreases significantly and '2079851475616104452 is difficult.
원인 분석
Rigid fillers increase melt viscosity (particle-particle and particle-molecular chain friction); fillers are not surface-treated.
해결 방법
Use silane coupling agents to treat fillers; control filler dosage and particle size distribution; add lubricants or flow modifiers.
핵심 요약
The fluidity loss of PET filled modification needs to be compensated through filler surface treatment and process adjustment.
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