Macromolecule self-diffusion in poly(ethylene glycol) melts
β Scribed by V.A. Sevreugin; V.D. Skirda; A.I. Maklakov
- Book ID
- 107844881
- Publisher
- Elsevier Science
- Year
- 1986
- Tongue
- English
- Weight
- 289 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0032-3861
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We have measured the self-diffusion coefficients of a series of oligo-and poly(ethylene glycol)s with molecular weights ranging from 150 to 10,000, in aqueous solutions and gels of poly(vinyl alcohol) (PVA), using the pulsed-gradient spin-echo NMR techniques. The PVA concentrations varied from 0 to
The translational mobility of linear macromolecules of poly(ethylene glycol) (PEG) within a weakly cross-linked poly(methacrylic acid) (PMAA) hydrogel was investigated by means of the pulse field gradient (PFG) NMR method in order to reveal the effect of PMAA/PEG complex formation. It was found that