Molding Process
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Glass fiber sizing agent mismatched with matrix
Sorun Belirtisi
Glass fiber sizing agent is general-purpose epoxy sizing, mismatched with PP matrix, poor interfacial adhesion
Neden Analizi
Sizing agent type mismatched with matrix resin; epoxy sizing agent has no chemical bonding with PP
Çözüm
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
Temel Çıkarım
Sizing agent mismatch is caused by improper type selection; selecting matrix dedicated sizing agent is key
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