Molding Process
7 조회수
Glass fiber sizing agent mismatched with matrix
문제 현상
Glass fiber sizing agent is general-purpose epoxy sizing, mismatched with PP matrix, poor interfacial adhesion
원인 분석
Sizing agent type mismatched with matrix resin; epoxy sizing agent has no chemical bonding with PP
해결 방법
1) Select PP dedicated sizing agent (polyurethane type sizing) to match PP matrix; 2) add PP-g-MAH 2-3wt% to strengthen interface; 3) coupling agent KH-570 treats glass fiber to improve sizing
핵심 요약
Sizing agent mismatch is caused by improper type selection; selecting matrix dedicated sizing agent is key
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