Poly(2-hydroxyethyl acrylate) hydrogel confined in a hydrophobous porous matrix
✍ Scribed by G. Gallego Ferrer; J. M. Soria Meliá; J. Hernández Canales; J. M. Meseguer Dueñas; F. Romero Colomer; M. Monleón Pradas; J. L. Gómez Ribelles; P. Pissis; G. Polizos
- Publisher
- Springer
- Year
- 2004
- Weight
- 509 KB
- Volume
- 283
- Category
- Article
- ISSN
- 0340-255X
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The purpose of this investigation was to define the polymer structure and elucidate the swelling behavior of ionizable hydrophilic polymers (hydrogels) in water and buffered media. Poly(acry1ic acid) (PAA) and poly(acry1ic acid-co-2-hydroxyethyl methacrylate) [P(AA-co-HEMA)] hydrogels were synthesiz
The degree of swelling of poly(2-hydroxyethyl methacrylate) (PHEMA) is substantially increased in aqueous urea solutions relative to that in aqueous solution. In particular, the swelling of PHEMA hydrogel is markedly increased in the concentration ranges 3-4 \(M\) urea, 2-3 \(M\) methylurea, 1.5-2 \