✦ LIBER ✦

Characterization of plasma-induced graft polymerization of 2-hydroxyethyl methacrylate onto silicone rubber

✍ Scribed by Shyh-Dar Lee; Ging-Ho Hsiue; Chee-Chan Wang

Publisher: John Wiley and Sons
Year: 1994
Tongue: English
Weight: 793 KB
Volume: 54
Category: Article
ISSN: 0021-8995
DOI: 10.1002/app.1994.070540909

No coin nor oath required. For personal study only.

✦ Synopsis

Graft copolymerization of 2-hydroxyethyl methacrylate ( HEMA) as attempted onto the surface of silicone rubber membrane, which was pretreated by Ar-plasma, then exposed in oxygen to introduce a peroxide group. The effect of the amount of HEMA grafted on Arplasma-treated and graft copolymerization was examined for various parameters of power, pressure, time, reaction time, and concentration of HEMA aqueous solution. The surfaces were characterized by ATR-FTIR, ESCA, contact angle, and SEM. PHEMA was indicated by ATR-FTIR and ESCA analysis to be present successfully onto the grafted surface of silicone rubber membrane. The stable wettability, as demonstrated once the PHEMA grafted films, indicated contact with a hydrated environment by the study of contact angle.

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