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문제 및 해결책

일반적인 플라스틱 재료 문제에 대한 실질적인 답변

기사 둘러보기 →
11636 질문
Q
Warpage in EAA '2079851475616104452
A
Warpage is caused by shrinkage differences and orientation stress; uniform mold temperature and holding pressure are the key
Injection Molding EAA injection warpage shrinkage holding pressure annealing treatment
15 조회수
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Q
Premature gate freezing in EAA '2079851475616104452
A
Premature gate freezing is caused by a small gate and low temperature; enlarging the gate and raising the temperature are the fundamental measures
Injection Molding EAA injection gate freezing holding pressure transmission gate size mold temperature
15 조회수
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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
15 조회수
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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
15 조회수
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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
15 조회수
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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
16 조회수
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Q
Yellowing of EAA products after processing
A
Yellowing is caused by thermal and photo-oxidation and metal catalysis; improving the antioxidant system and UV absorber is the key
Production & Quality EAA yellowing thermal oxidation antioxidant UV absorber metal catalysis
16 조회수
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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
16 조회수
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Q
Poor interfacial bonding between EAA and filler
A
The elastomer-filler interface requires the dual action of coupling agent and compatibilizer, otherwise the filler has a negative effect
Material Analysis EAA filler interfacial bonding coupling agent compatibilizer filler dispersion
16 조회수
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카테고리

전체 주제 11636 Material Drying 1439 Injection Molding 1506 Molding Process 740 Molds & Tooling 1506 Processing Machinery 2025 Extrusion & Post 2239 Blow Molding 315 Thermoforming 141 Material Analysis 1343 Production & Quality 382
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