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Water Sorption Behaviour of Polymeric Systems Based on Tetrahydrofurfuryl Methacrylate

Water Sorption Behaviour of Polymeric Systems Based on Tetrahydrofurfuryl Methacrylate

M P Patel, H Swai, K W Davy, M Braden

J Mater Sci Mater Med. 1999 Mar;10(3):147-51.

PMID: 15348162

Abstract:

Earlier research has described the water absorption behaviour, drug release and biological properties of a room temperature polymerizing system based on poly(ethyl methacrylate) (PEM) powder and tetrahydrofurfuryl methacrylate (THFM) monomer. This work has been extended, with respect to water sorption behaviour, by replacing the monomer to various extents with hydroxyethyl methacrylate (HEMA), and poly(ethyl methacrylate) by ethyl methacrylate (EM)-THFM copolymers. Replacing the THFM with HEMA, and gelling with PEM, increased the diffusion coefficient progressively. The replacement of PEM by EM-THFM copolymers, when gelled with THFM monomer, substantially reduced equilibrium water uptake, and increased diffusion coefficients. However, with HEMA monomer, equilibrium uptake was unaffected, but the diffusion coefficient decreased with increasing THFM content of the copolymer. This is due to a complex interaction of THFM cross-linking the copolymer, and the effect of EM on the water uptake. Heat polymerizing the PEM-THFM system reduced equilibrium uptake and the diffusion coefficient, compared with the room temperature polymerizing system; this could reflect molecular weight differences.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
LS73317	Poly(tetrahydrofurfuryl methacrylate)			Price

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