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문제 및 해결책

일반적인 플라스틱 재료 문제에 대한 실질적인 답변

기사 둘러보기 →
11636 질문
Q
Excessive EEA film heat shrinkage
A
Film heat shrinkage is caused by orientation freezing; reducing draw ratio and annealing are the key
Extrusion & Post EEA filmheat shrinkageorientation releaseannealing treatmentbiaxial stretching
15 조회수
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Q
Unstable EEA extrusion dimensions
A
Extrusion dimensional stability depends on feeding accuracy, temperature control and haul-off synchronization
Extrusion & Post EEA extrusiondimensional stabilityfeeding controltemperature PIDhaul-off synchronization
15 조회수
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Q
EEA injection warpage deformation
A
Warpage is caused by shrinkage difference and orientation stress; uniform mold temperature and holding are the key
Injection Molding EEA injectionwarpageshrinkage rateholding pressureannealing treatment
15 조회수
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Q
EEA injection gate freezing too early
Q
EEA injection mold venting burnt
Q
EEA extrusion die drool and carbon deposits
A
Die carbon deposits are caused by thermal oxidation and untimely cleaning; PE flushing and timely cleaning are the key
Extrusion & Post EEA extrusiondie carbon depositPE flushingresidence zonethermal oxidation
15 조회수
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Q
Delamination of EEA blended with incompatible resin
A
Blends with large polarity difference require reactive compatibilizer to form chemical bonding at the interface for resolution
Extrusion & Post EEA blend delaminationpolarity differenceEEA-g-MAHreactive compatibilizationinterfacial bonding
15 조회수
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Q
EEA extrusion pelletizing strand sticking
A
Strand sticking is caused by elastic recovery and low-temperature pelletizing; high-temperature water cutting and fast cutting are the key
Extrusion & Post EEA pelletizingstrand stickingpelletizing water temperaturecutter speedelastic recovery
15 조회수
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Q
Severe parison sag in EEA extrusion '2079851475616104457
A
Parison sag is caused by low melt strength; slight crosslinking and wall thickness control are the key
Blow Molding EEA '2079851475616104457parison sagmelt strengthslight crosslinkingwall thickness control
16 조회수
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Q
EEA products yellowing 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 EEA yellowingthermal oxidationantioxidantUV absorbermetal catalysis
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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