Material Analysis 11 조회수

Low PVA flexural modulus

문제 현상

PVA product flexural modulus <20% of the design value

원인 분석

PVA soft, low modulus; insufficient filler added or poor interface, no reinforcement effect; crystallinity on the low side

해결 방법

1) Add 10-15wt% rigid filler to increase modulus; 2) Nucleating agent to increase crystallinity; 3) Select high modulus grade

핵심 요약

Low flexural modulus is caused by soft material and insufficient filler; adding rigid filler is the key

PVAflexural modulusrigid fillernucleating agentcrystallinity

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