Swelling behavior of polyacrylamide (PAAm) and polyacrylamide-co-polyacrylic acid (PAAm-co-PAAc) gels was investigated in aqueous solutions of monodisperse PAAms with molecular weights ( M V w ) ranging from 1.5 1 10 3 to 5 1 10 6 g/mol. The volume of the gels decreases as the PAAm concentration in
Kinetics of swelling of dextran gels in aqueous protein solutions
β Scribed by Charles F. Pratt; David O. Cooney
- Publisher
- American Institute of Chemical Engineers
- Year
- 1973
- Tongue
- English
- Weight
- 371 KB
- Volume
- 19
- Category
- Article
- ISSN
- 0001-1541
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Kinetic studies of swelling of cotton cellulose with 75% (w/w) EDA solution have been carried out. Three rates of the reaction were observed in the temperature range 10-35OC: first, the very fast rate ( k l ) lasting for about 10 s; second, the extremely slow rate ( k z ) lasting for 30-50 s; and th
Intrinsic viscosity measurements were carried out on dextran samples (of different molecular weights) in aqueous solutions at 25, 28, 31, 34, 37, 40, and 43Β°C. The extrapolation methods were used for the data; they gave unperturbed dimensions, K 0 , of the chain. The unperturbed root-mean-square end