Crystallization of PNIPAM-hydrogel nanospheres inferred by static light scattering
Vol. 26 Núm. 3 (2013), Artículos de Investigación
Vol. 26 Núm. 3 (2013)

Crystallization of PNIPAM-hydrogel nanospheres inferred by static light scattering

Artículos de Investigación
Publicado 2013-09-15
D. Reyes Contreras
Facultad de Ciencias, Universidad Autónoma del Estado de México
M. Mayorga Rojas
Facultad de Ciencias, Universidad Autónoma del Estado de México
L. Rojas Ochoa
Departamento de Física, CINVESTAV-IPN
C. Haro Pérez
Departamento de Ciencias Básicas, UAM-Azcapotzalco
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Reyes Contreras, D., Mayorga Rojas, M., Rojas Ochoa, L., & Haro Pérez, C. (2013). Crystallization of PNIPAM-hydrogel nanospheres inferred by static light scattering. Superficies Y Vacío, 26(3), 79-83. Recuperado a partir de https://superficiesyvacio.smctsm.org.mx/index.php/SyV/article/view/158
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Resumen

In this paper we present a kinetic study on crystallization of a colloidal dispersion formed by thermosensitive Poly-NIsopropylacrylamide (PNIPAM) nanospheres. The liquid-crystal transition is induced by decreasing the temperature of the dispersion and the crystallization process is monitored by measuring the evolution of the static structure factor of the dispersion by means of light scattering techniques. The measured static structure factor confirms the formation of a mesoscopic crystal array at the final equilibrium state, which is preceded by two stages: nucleation and crystal growth.
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