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문제 및 해결책

일반적인 플라스틱 재료 문제에 대한 실질적인 답변

기사 둘러보기 →
11636 질문
Q
CEF injection warpage deformation
A
Warpage is caused by shrinkage differences and orientation stress; uniform mold temperature and holding pressure are the key
Injection Molding CEF injectionwarpageshrinkage rateholding pressureannealing treatment
15 조회수
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Q
CEF injection gate freezing too early
A
Early gate freezing is caused by small gate and low temperature; enlarging the gate and increasing the temperature are the fundamental measures
Injection Molding CEF injectiongate freezingholding pressure transmissiongate sizemold temperature
15 조회수
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Q
CEF '2079851475616104452 mold venting burnt
Q
CEF extrusion die hang-up and carbon deposits
A
Die carbon deposits are caused by thermal oxidation and untimely cleaning, PE flushing and timely cleaning are key
Extrusion & Post CEF extrusiondie carbon depositPE flushingresidence areathermal oxidation
15 조회수
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Q
CEF blended with incompatible resin delaminates
A
Blends with large polarity differences need reactive compatibilizers to form chemical bonding at the interface to solve
Extrusion & Post CEF blend delaminationpolarity differenceCEF-g-MAHreactive compatibilizationinterfacial bonding
15 조회수
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Q
CEF extrusion pelletizing connected pellets
A
Connected pellets are caused by elastic recovery and low-temperature pelletizing, high-temperature water cutting and fast cutting are key
Extrusion & Post CEF pelletizingconnected pelletspelletizing water temperaturecutter speedelastic recovery
15 조회수
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Q
CEF extrusion '2079851475616104457 parison sag severe
A
Parison sag is caused by low melt strength, micro-crosslinking and wall thickness control are key
Blow Molding CEF '2079851475616104457parison sagmelt strengthmicro-crosslinkingwall thickness control
16 조회수
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Q
CEF products yellow after processing
A
Yellowing is caused by thermal-photo oxidation and metal catalysis, improving the antioxidant system and UV absorber is key
Production & Quality CEF yellowingthermal oxidationantioxidantUV absorbermetal catalysis
16 조회수
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Q
CEF product dimensional change during long-term storage
A
Dimensional change is caused by physical aging, annealing treatment and micro-crosslinking are measures to stabilize dimensions
Material Analysis CEF dimensional stabilityphysical agingannealingsecondary crystallizationmicro-crosslinking
16 조회수
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Q
Poor interfacial bonding between CEF and filler
A
The elastomer-filler interface requires the dual action of coupling agent and compatibilizer, otherwise the filler plays a negative effect
Material Analysis CEF fillerinterfacial bondingcoupling agentcompatibilizerfiller 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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