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المشاكل والحلول

إجابات عملية على التحديات الشائعة في مواد البلاستيك

11636 سؤال
Q
Warpage in EAA '2079851475616104452
Q
Premature gate freezing in EAA '2079851475616104452
Q
Burnt marks due to poor venting in EAA injection mold
Q
Die buildup and carbon deposits in EAA extrusion
A
Die carbon deposits are caused by thermal oxidation and untimely cleaning; PE flushing and timely cleaning are the key
Extrusion & Post EAA extrusion die carbon deposit PE flushing stagnation zone thermal oxidation
Q
Delamination of EAA blended with incompatible resins
A
Blends with large polarity differences require reactive compatibilizers to form chemical bonding at the interface to solve the problem
Extrusion & Post EAA blend delamination polarity difference EAA-g-MAH reactive compatibilization interfacial bonding
Q
Connected pellets in EAA extrusion pelletizing
A
Connected pellets are caused by elastic recovery and low-temperature pelletizing; high-temperature water cutting and fast cutting are the key
Extrusion & Post EAA pelletizing connected pellets pelletizing water temperature cutter speed elastic recovery
Q
Severe parison sag in EAA extrusion '2079851475616104457
A
Parison sag is caused by low melt strength; micro-crosslinking and wall thickness control are the key
Blow Molding EAA '2079851475616104457 parison sag melt strength micro-crosslinking wall thickness control
Q
Yellowing of EAA products after processing
Q
Dimensional change of EAA products during long-term storage
A
Dimensional change is caused by physical aging; annealing treatment and micro-crosslinking are measures to stabilize dimensions
Material Analysis EAA dimensional stability physical aging annealing secondary crystallization micro-crosslinking
Q
Poor interfacial bonding between EAA and filler
ChemAI