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Silicone hydrogels represent a series of novel materials designed for extensive applications especially in the biomedical field. In the current work, a method to obtain poly (dimethyl siloxane)/poly (2-hydroxyethyl methacrylate) (PDMS/PHEMA) interpenetrating polymer network (IPN) beads was developed. With further optimization, up to 43% PHEMA was incorporated into size controllable PDMS microspheres,...
Poly(2-hydroxyethyl methacrylate)/poly(N-vinyl pyrrolidone) (PHEMA/PVP) double networks (DN) were prepared using a sequential method by incorporating a second network of crosslinked PVP into PHEMA. We found that the distributions of the two networks can be regulated just by modulating the morphology of the first network, thus giving expected high water content of these gels. Fourier transform infrared...
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