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Problem & Lösung

Praktische Antworten auf häufige Herausforderungen mit Kunststoffmaterialien

740 Fragen
Q
Large EMA impact strength fluctuation
A
Impact fluctuation is caused by unstable dispersed phase and crystallization; stabilizing processing is key
Molding Process EMA impact fluctuation dispersed phase particle size nucleating agent processing stability
Q
Poor EMA antistatic effect
A
Poor antistatic effect is caused by insufficient addition; increasing antistatic agent is key
Molding Process EMA antistatic antistatic agent surface resistance migration rate
Q
Large EMA compression set
A
Large compression set is caused by insufficient crosslinking; increasing crosslinking degree is key
Molding Process EMA compression set crosslinking degree elastic recovery reinforcing filler
Q
EMA surface stress whitening
A
Stress whitening is caused by orientation and internal stress; reducing orientation and annealing are key
Molding Process EMA stress whitening orientation stress annealing treatment stress concentration
Q
Coarse internal crystallization of EMA
A
Coarse crystallization is caused by slow cooling; fast cooling and nucleating agent are key
Molding Process EMA coarse crystallization spherulite refinement nucleating agent cooling rate
Q
EMA Extruded Film Thick Edges and Thin Middle
A
U-shaped thickness is caused by die flow channel and swell differences; coat-hanger die and gap fine-tuning are key
Molding Process EMA film thickness distribution coat-hanger die gap fine-tuning edge effect
Q
EEA Hardness Too Low
A
Low hardness is caused by material softness and excessive plasticization; adding filler is key
Molding Process EEA low hardness rigid filler plasticizer crystallization control
Q
EEA Insufficient Low-Temperature Performance
A
EEA low-temperature performance is determined by EA content; selecting a high EA grade is fundamental
Molding Process EEA low temperature EA content low-temperature toughness annealing grade selection
Q
EEA Large Impact Strength Fluctuation
A
Impact fluctuation is caused by unstable dispersed phase and crystallization; stable processing is key
Molding Process EEA impact fluctuation dispersed phase particle size nucleating agent processing stability
Q
EEA Poor Antistatic Effect
A
Poor antistatic effect is caused by insufficient addition; increasing antistatic agent is key
Molding Process EEA antistatic antistatic agent surface resistance migration rate
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