Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Pristine LPDE (A). After oxygen plasma, treatment a decrease in contact angle was observed (B). Pristine LDPE. A homogenous surface was appreciated, with discrete roughness (C). LDPE pre-treatment with oxygen plasma discharge. Areas with tears were observed, due to ablation process (D). Pristine LPDE SEM photograph (E). After treatment cracks, tears and fissures were observed through SEM (F).
