✦ LIBER ✦

Surface photografting of hydrophilic vinyl monomers onto diethyldithiocarbamated polydimethylsiloxane

✍ Scribed by Hiroshi Inoue; Shigemi Kohama

Publisher: John Wiley and Sons
Year: 1984
Tongue: English
Weight: 571 KB
Volume: 29
Category: Article
ISSN: 0021-8995
DOI: 10.1002/app.1984.070290316

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✦ Synopsis

Photografting of vinyl monomers has been studied to make hydrophilic polydimethylsiloxane (PDMS) surfaces. A chlorine-containing polydimethylsiloxane (C-PDMS) prepared by polymerization of chloromethylheptamethylcyclotetrasiloxane was photocured on a glass plate. The crosslinked C-PDMS was subjected to a reaction with sodium diethyldithiocarbamate. The diethyldithiocarbamated PDMS was then photoirradiated in the presence of hydrophilic vinyl monomers such as 2-hydroxyethylmethacrylate and acrylamide to afford surface-grafted PDMS. Several vinyl monomers were found to graft onto the PDMS surface, as revealed by their attenuated total reflectance infrared and ESCA spectra. Hydrophilicity of the grafted PDMS surfaces was confirmed by the decrease in their water contact angle. CH3

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