Reversible film formation from nano-sized PNIPAM particles below glass transition
Yükleniyor...
Dosyalar
Tarih
2007-01
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Springer-Verlag
Erişim Hakkı
info:eu-repo/semantics/closedAccess
Özet
Reversible film formation process from nano-sized Poly(N-isopropylacrylamide) (PNIPAM) microgel particles were studied during heating-cooling cycles at various rates. Photon transmission technique was used and transmitted photon intensity I (tr) was monitored during heating-cooling cycles. The increase and decrease in I (tr) during heating and cooling was explained with the void closure and void reconstruction processes, and the corresponding activation energies were measured. It was observed that PNIPAM microgels required less energy during reconstruction of voids than their closure.
Açıklama
Anahtar Kelimeler
Film formation, Nanoparticles, Poly (N-isopropylacrylamide), Microgels, N-isopropylacrylamide gels, Volume phase-transition, T latex-particles, Photon transmission, Molecular-weight, Poly(n-isopropylacrylamide) microgels, Energy-transfer, Polystyrene, Dispersion, Fracture, Activation energy, Film growth, Glass transition, Thermal cycling, Glass, Chemical analysis, Cooling, Heating, Mathematical computing, Nanotechnology, Phase transition, Photon, Polymerization, Priority journal, Spectrometry, Spectrophotometry, Temperature sensitivity, Ultraviolet radiation, Transmitted photon intensity, Gels
Kaynak
Colloid and Polymer Science
WoS Q Değeri
Q3
Scopus Q Değeri
Q2
Cilt
285
Sayı
4
Künye
Uğur, Ş., Elaissari, A., Yargı, Ö. & Pekcan, M. Ö. (2007). Reversible film formation from nano-sized PNIPAM particles below glass transition. Colloid and Polymer Science, 285(4), 423-430. doi:10.1007/s00396-006-1584-6