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Durability of corona discharge and low-pressure air plasma-treated ethylene–vinyl acetate copolymers (EVAs) by Asunción Martínez-García; Ana Sánchez-Reche; Santiago Gisbert-Soler; María D. Landete-Ruiz; Rosa Torregrosa-Maciá; José Miguel Martín-Martínez is a Engineering article available to read on EtoBox.
What is Durability of corona discharge and low-pressure air plasma-treated ethylene–vinyl acetate copolymers (EVAs) about?
EVA (ethylene-vinyl acetate copolymer) containing 20 wt% vinyl acetate (VA)-EVA20-was treated with corona discharge and lowpressure air plasma, and the durability of these treatments was monitored for 12 months. The corona discharge treatment was carried out at corona energy of 0.3 J/cm 2 and the air plasma treatment at 300 W and 10 mbar for 3 s. Water contact angle values of EVA20 markedly decreased after treatment, and then were constant (about 601) by increasing the time after treatment. On the other hand, a few hours after treatment the oxygen concentration on the treated EVA20 decreased, and after 12 months the surface chemistry of the corona dischargetreated EVA20 did not vary. However, for the air plasma-treated EVA20, a decease in oxygen concentration was obtained, becoming similar to that of the as-received EVA20. Peel strength values of treated EVA20/polychloroprene adhesive+5 wt% isocyanate joints increased from 1.5 kN/m (as-received EVA20) to 3.0-4.0 kN/m in the corona discharge and 4.5 kN/m for the air plasma-treated EVA20. On the other hand, the locus of failure in the joint produced with the as-received EVA20 was interfacial whereas a mixed failure (interfacial+cohes
Who reads Durability of corona discharge and low-pressure air plasma-treated ethylene–vinyl acetate copolymers (EVAs)?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- Asunción Martínez-García; Ana Sánchez-Reche; Santiago Gisbert-Soler; María D. Landete-Ruiz; Rosa Torregrosa-Maciá; José Miguel Martín-Martínez
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0143-7496)
- Published
- 2008
- Language
- EN
- Field
- Engineering (Physical Sciences)