The coil-to-globule transition of two poly( N-isopropylacrylamide) (PNI-PAM) ionomers with different ionic contents (0.8 and 4.5 mol %), but similar weight average molar masses, in deionized water was investigated by a combination of static and dynamic light scattering. In spite of the large differe
β¦ LIBER β¦
Light scattering studies of poly(N-isopropylacrylamide) microgel particles in mixed water-acetic acid solvents
β Scribed by Peng Wei Zhu; Donald H. Napper
- Publisher
- John Wiley and Sons
- Year
- 1999
- Tongue
- English
- Weight
- 80 KB
- Volume
- 200
- Category
- Article
- ISSN
- 1022-1352
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The macroscopic volume shrinkage and swelling of poly (N-isopropylacrylamide) (PNIPA) gel induced by the compositional change in the methanol-water mixed solvent is correlated to the change in the nanoscopic free volume size and numerical concentration formed in the PNIPA gels. The free volume size