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문제 및 해결책

일반적인 플라스틱 재료 문제에 대한 실질적인 답변

1343 질문
Q
Poor interfacial bonding between EEA 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 EEA fillerinterfacial bondingcoupling agentcompatibilizerfiller dispersion
Q
Low EAA flexural modulus
A
Low flexural modulus is caused by material softness and insufficient filler; adding rigid filler is key
Material Analysis EAAflexural modulusrigid fillernucleating agentcrystallinity
Q
EAA hydrolytic aging
A
Hydrolytic aging is caused by polar group sensitivity to water; selecting low polarity grade is key
Material Analysis EAAhydrolytic agingpolar groupsanti-hydrolysis stabilizerwaterproof coating
Q
Large EAA processing smoke
A
Large smoke is caused by volatile evaporation; lowering temperature and exhausting is key
Material Analysis EAAprocessing smokevolatilesexhaust systemtemperature reduction
Q
Insufficient EAA toughness, brittle fracture
A
Insufficient toughness is caused by low molecular weight and coarse crystallization; selecting high MW is key
Material Analysis EAAinsufficient toughnessmolecular weightcrosslinking controlcrystallization refinement
Q
Poor EAA chemical resistance
A
Poor chemical resistance is caused by EAA chemical affinity; selecting chemical-resistant grade and coating is key
Material Analysis EAAchemical resistancechemical erosionslight crosslinkingsurface coating
Q
Large EAA processing odor
A
Large odor is caused by EAA decomposition and volatilization; temperature control and ventilation are key
Material Analysis EAAprocessing odorvolatilesventilation and exhausttemperature control
Q
Large EAA creep deformation
A
Large creep is caused by the elastomer nature; slight crosslinking and rigid filler are key
Material Analysis EAAcreepslight crosslinkinghigh molecular weightrigid filler
Q
Insufficient EAA tensile strength
A
Insufficient tensile strength is caused by molecular weight and poor interface; selecting high MW grade is key
Material Analysis EAAtensile strengthmolecular weightcoupling agentorientation control
Q
EAA hardness too high
A
High hardness is caused by crystallization and filler; adjusting cooling and filler is key
Material Analysis EAAhigh hardnesscrystallinityfiller amountplasticizer
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