Material Analysis
12 görüntüleme
Large PVA creep deformation
Sorun Belirtisi
PVA product creep under long-term load >5%, exceeding the 2% requirement
Neden Analizi
PVA elastomer nature has large creep; molecular weight on the low side, poor creep resistance; no crosslinking, large plastic flow
Çözüm
1) Select high molecular weight grade; 2) Slight crosslinking 0.3wt% DCP to reduce plastic flow; 3) Add rigid filler to reduce creep
Temel Çıkarım
Large creep is caused by the elastomer nature; slight crosslinking and rigid filler are the key
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