Material Analysis
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POE/carbon black conductivity unstable
Problembeschreibung
POE/carbon black resistivity fluctuates 10³-10⁶Ω·cm
Ursachenanalyse
Carbon black dispersion uneven; carbon black network breaks under elastomer strain
Lösung
1) Carbon black supercritical concentration +20%; 2) High shear <50nm; 3) High structure N220; 4) Small amount of PP to stabilize the network
Wichtigste Erkenntnis
Conductivity stability is affected by dispersion and network breakage; supercritical addition is needed
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