초록 |
Polymeric thin films have attracted a great deal of attention because of their applications to biocompatible medical implants, sensors, and microfabrication. Among the methods for forming polymeric thin films, surface-initiated polymerization (SIP) has been a great success in grafting polymers onto solid substrates. SIP, in which a polymerization initiator is directly bound onto a surface and a polymer chain is grown from the surface, has been investigated to improve the stability of grafted polymers and to increase grafting density of polymers on substrate surfaces. This is achieved by the procedure consisting of three important steps introduction of hydroxyl groups onto the gold and attachment of polymerization initiator, 2-bromo-2-methylpropinonyl bromide, and polymerization of GMA. The structure and properties of the resultant film were characterized by FT-IR spectroscopy, TGA, DSC, XRD, AFM, TEM and SEM. |