The effect of two hydrophilic monomers on the water uptake of a heterocyclic methacrylate system.
Biomaterials
; 22(1): 81-6, 2001 Jan.
Article
en En
| MEDLINE
| ID: mdl-11085387
ABSTRACT
The room temperature polymerising system poly(ethyl methacrylate) (PEM)/tetrahydrofurfuryl methcrylate (THFM) has been modified by replacing some of the THFM by hydroxyethyl methacrylate (HEMA) and hydroxypropyl methacrylate (HPM), respectively. In both cases, the equilibrium uptake of the parent system is reduced substantially, in spite of the hydrophilic nature of these monomers. The effect is less with HPM. Corresponding to these decreases in uptake are substantial increases in the diffusion coefficients. This points to changes from a cluster-dominated process, to a more continuum-based process in the dual monomer systems. Addition of chicken serum albumin to these systems increases water uptake. At higher levels of HEMA addition, there is a substantial increase in polymerisation exotherm.
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Colección:
01-internacional
Banco de datos:
MEDLINE
Asunto principal:
Materiales Biocompatibles
/
Metacrilatos
/
Metilmetacrilatos
Límite:
Animals
Idioma:
En
Revista:
Biomaterials
Año:
2001
Tipo del documento:
Article
País de afiliación:
Reino Unido