The viscoelastic and mechanical properties and the morphology of polyurethane (PUR)/polystyrene (PS) interpenetrating polymer networks (IPNs) containing ionic groups have been investigated. Dynamic mechanical thermal analysis (DMTA) revealed a pronounced change in the viscoelastic properties upon th
Swelling behavior of interpenetrating polymer networks containing ionic groups
β Scribed by L. H. Sperling; E. N. Mihalakis
- Publisher
- John Wiley and Sons
- Year
- 1973
- Tongue
- English
- Weight
- 264 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0021-8995
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## Abstract Simultaneous grafted interpenetrating polymer networks (IPNs) based on [castor oilβpoly(ethylene glycol) (PEG)] polyurethane and poly(alkyl methacrylate) were synthesized by simultaneously coupling castor oil and PEG with 2,4βtoluene diisocyanate and by radical polymerization of alkyl m
We have studied the mechanical property and swelling behavior of semiinterpenetrating polymer networks (semi-IPNs) of poly(vinyl alcohol) (PVA) and polyurethane (PU) with reactive groups under different experimental conditions. Tensile strength and elongation of these semi-IPNs are strongly dependen