Menü
Malzemeler Makineler
İçgörüler
Makaleler Videolar Sorun ve Çözüm
About
Chembull Hakkında Medya Ortakları
Bize Ulaşın
Dil
EnglishالعربيةPortuguêsEspañolDeutschTürkçe한국어

Sorun ve Çözüm

Yaygın plastik malzeme zorluklarına pratik yanıtlar

Makalelere Göz At →
1343 soru
Q
EVOH product dimensional change during long-term storage
A
Dimensional change is caused by physical aging; annealing treatment and slight crosslinking are measures to stabilize dimensions
Material Analysis EVOH dimensional stability physical aging annealing secondary crystallization slight crosslinking
2 görüntüleme
Tam Yanıtı Oku →
Q
EVOH and filler interfacial bonding is poor
A
The elastomer-filler interface requires the dual action of coupling agent and compatibilizer, otherwise the filler has a negative effect
Material Analysis EVOH filler interfacial bonding coupling agent compatibilizer filler dispersion
2 görüntüleme
Tam Yanıtı Oku →
Q
EVA flexural modulus is low
A
Low flexural modulus is caused by material softness and insufficient filler; adding rigid filler is key
Material Analysis EVA flexural modulus rigid filler nucleating agent crystallinity
2 görüntüleme
Tam Yanıtı Oku →
Q
EVA toughness is insufficient with brittle fracture
A
Insufficient toughness is caused by low molecular weight and coarse crystallization; selecting high MW is key
Material Analysis EVA insufficient toughness molecular weight crosslinking control crystallization refinement
2 görüntüleme
Tam Yanıtı Oku →
Q
EVA creep deformation is large
A
Large creep is caused by the elastomer nature; slight crosslinking and rigid filler are key
Material Analysis EVA creep slight crosslinking high molecular weight rigid filler
2 görüntüleme
Tam Yanıtı Oku →
Q
EVA processing temperature fluctuates
A
Temperature fluctuation is caused by an improper temperature control system; PID calibration and heater band replacement are key
Material Analysis EVA temperature fluctuation PID calibration heater band thermocouple
2 görüntüleme
Tam Yanıtı Oku →
Q
EVA tensile strength is insufficient
A
Insufficient tensile strength is caused by molecular weight and poor interface; selecting high MW grade is key
Material Analysis EVA tensile strength molecular weight coupling agent orientation control
2 görüntüleme
Tam Yanıtı Oku →
Q
EVA hardness is too high
A
High hardness is caused by crystallization and filler; adjusting cooling and filler is key
Material Analysis EVA high hardness crystallinity filler amount plasticizer
2 görüntüleme
Tam Yanıtı Oku →
Q
EVA elongation at break is low
A
Low elongation at break is caused by low molecular weight and orientation; selecting high MW and reducing orientation are key
Material Analysis EVA elongation at break molecular weight orientation control crosslinking degree
2 görüntüleme
Tam Yanıtı Oku →
Q
EVA heat-sensitive decomposition and yellowing
A
EVA heat-sensitive decomposition is caused by VA deacetylation; temperature control is the fundamental countermeasure
Material Analysis EVA thermal decomposition deacetylation yellowing heat stabilizer temperature control
2 görüntüleme
Tam Yanıtı Oku →
Önceki 1 ... 96 97 98 99 100 101 102 ... 135 Sonraki

Kategoriler

Tüm Konular 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
ChemAI