문제 및 해결책

일반적인 플라스틱 재료 문제에 대한 실질적인 답변

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EVOH extrusion pelletizing connected pellets

Extrusion & Post EVOH pelletizing connected pellets pelletizing water temperature cutter speed elastic recovery

EVOH blend delamination with incompatible resin

Extrusion & Post EVOH blend delamination polarity difference EVOH-g-MAH reactive compatibilization interfacial bonding

EVOH extrusion '2079851475616104457 parison sag is severe

Blow Molding EVOH '2079851475616104457 parison sag melt strength slight crosslinking wall thickness control

EVOH product yellowing after processing

Production & Quality EVOH yellowing thermal oxidation antioxidant UV absorber metal catalysis

EVOH product dimensional change during long-term storage

Material Analysis EVOH dimensional stability physical aging annealing secondary crystallization slight crosslinking

EVOH '2079851475616104452 thick-wall bubbles

Material Drying EVOH injection bubbles holding pressure thick-wall product mold venting

EVOH extrusion melt fracture

Extrusion & Post EVOH extrusion melt fracture elastic recovery die L/D extrusion rate

EVOH and filler interfacial bonding is poor

Material Analysis EVOH filler interfacial bonding coupling agent compatibilizer filler dispersion

EVOH '2079851475616104452 demolding difficulty

Injection Molding EVOH injection demolding difficulty draft angle adhesion ejection design

EVA foam surface large bubbles

Molding Process EVA foam large bubbles AC agglomeration foaming temperature uniform crosslinking

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