A~traet--The effects of copolymer composition and water content on shear modulus were determined by torsion-pendulum measurements. Water had a plasticizing effect on all samples tested, but the effect of water content and copolymer composition did not conform to extant empirical and theoretical rela
Water in methacrylates—I. Sorption and desorption properties of poly(2-hydroxyethyl methacrylate-co-glycol dimethacrylate) networks
✍ Scribed by P.E.M. Allen; D.J. Bennett; D.R.G. Williams
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 521 KB
- Volume
- 28
- Category
- Article
- ISSN
- 0014-3057
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Differential Scanning Calorimetry and tH-NMR line width measurements have been used to study the structure, organization and mobility of water in methacrylate copolymer networks. A tripartite classification emerged: freezable, mobile and constrained water, however, like the various bipartite classif
Sorption and desorption kinetics of water uptake in urethane acrylate and urethane acrylatecoglycol acrylate networks are reported and analysed in terms of Fick's and Frisch's laws. The Frisch parameter n calculated for sorption ranged from 0.4 to 0.6, while that for desorption ranged from 0.5 to 0.