Surface Dynamics for Enhanced Hydrophilic Copolymers and Their Anti-Fogging Capabilities

摘要

Copolymers composed of MMA and MPEGMA as a hydruphilic component were synthesized and their dynamic wettabilities and anti-fogging capabilities were investigated circumstantially. These copolymers showed a high hydrophilicity at the interface in contact with an aqueous phase. In addition, since these copolymers had a significant contact angle hysteresis(??), it was shown that their segmental responses showed a sharp behavior corresponding to an environmental medium. The anti-fogging capability of these copolymers improved with an increase in MPEGMA content. We found that this kind of copolymer could be used as an anti-fogging material, having the environmental response.These MMA/MPEGMA copolymers were cured by UV irradiation using PEGDMA and their surface functionalities were also studied. Although these sample surfaces also showed a high hydrophilicity, the (??)s had a very small value. From this result, it was clearly shown that the segmental mobility on these sample surfaces was greatly suppressed. In addition, all of the sample surfaces showed a high anti-fogging property and were also good for that durability.On the other hand, in order to improve the anti-fogging durability, VS containing alcoxysilane group which had a good reactivity to many glass materials, was introduced to MMA/MPEGMA copolymer unit, as an alternative approach. We found that these synthesized copolymers exhibited a comparatively high performance for not only the anti-fogging capability but also its durability.