Swelling and photoelastic behaviour of ionized hydrogels of poly(acrylic acid)
✍ Scribed by Michal Ilavský; Jaromír Fähnrich; Jan Nedbal; Karel Bouchal
- Publisher
- Springer
- Year
- 1996
- Tongue
- English
- Weight
- 411 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0170-0839
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## Abstract **Summary:** A novel fast‐swelling porous superabsorbent hydrogel was prepared by grafting acrylic acid onto corn starch through free‐radical polymerization in aqueous solution using __N__,__N__′‐methylenebisacrylamide as a crosslinker, ammonium persulfate as an initiator, sodium dodecy
## Abstract Semi‐interpenetrating network (semi‐IPN) hydrogels, composed of poly(aspartic acid) (PAsp) and poly(acrylic acid) (PAAc) with various ratios of PAsp to AAc, were prepared. In this work, swelling kinetics was investigated through calculating some parameters. The swelling ratios were meas