A series of poly(N-isopropylacrylamide-co-acrylamide) copolymers with Nisopropylacrylamide (NIPAM) to acrylamide (AM) ratios varying from 95/05 to 10/90 was synthesized and surface tensions, cloud point temperatures, and enthalpies of phase separation were measured. At 25Β°C, 1 wt % poly(N-isopropyla
Atypical transition temperature dependence of poly(N-isopropylacrylamide) and poly(N-isopropylacrylamide-co-acrylamide) nanocomposites on the content of exfoliated montmorillonites
β Scribed by Ming-Huei Yen; King-Fu Lin
- Publisher
- John Wiley and Sons
- Year
- 2009
- Tongue
- English
- Weight
- 897 KB
- Volume
- 47
- Category
- Article
- ISSN
- 0887-6266
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## Abstract A Raman spectroscopic study on property changes of water in the course of a temperatureresponsive solutionβaggregate transition phenomenon of aqueous poly(__N__βisopropylacrylamide) and poly[__N__β(3βethoxypropyl)acrylamide] solutions was carried out. Upon the transition of polymers fro
The effects of both anionic (sodium dodecyl sulfate, SDS) and cationic (dodecylpyridine bromide, DPB) surfactants on the phase transition of narrowly distributed poly(N-isopropylacrylamide) (PNIPAM) microgel particles were investigated by laser light scattering. The addition of SDS swells the partic