Material Analysis
12 görüntüleme
Fast UV aging of EAA
Sorun Belirtisi
After 48h of UV irradiation, the mechanical properties of EAA decrease by >20% and it yellows
Neden Analizi
EAA molecular chains rapidly degrade by photo-oxidation under UV; surface molecular chains break to form microcracks
Çözüm
1) Add 0.3-0.5wt% UV absorber to block UV; 2) Add 0.2wt% HALS for radical scavenging; 3) 2wt% carbon black to physically shield UV
Temel Çıkarım
Fast UV aging is caused by photo-oxidation; UV absorber and HALS are the key
Bu faydalı oldu mu?
0 kişi bunu faydalı buldu
Geri bildiriminiz için teşekkürler!