Film formation from PS latex doped PNIPAM hydrogels at various heating and cooling rates

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Tarih

2008-05-01

Dergi Başlığı

Dergi ISSN

Cilt Başlığı

Yayıncı

VSP BV, Brill Academic Publishers

Erişim Hakkı

info:eu-repo/semantics/closedAccess

Araştırma projeleri

Organizasyon Birimleri

Dergi sayısı

Özet

Film formation from polystrene (PS) latex doped poly(N-isopropylacrylamide) (PNIPAM) hydrogels was studied by using photon transmission technique. The transmitted light intensity, It, was monitored during film formation process. Films were prepared by annealing, 10 wt% PS doped PNIPAM particles at five different heating and cooling rates at temperatures ranging from 10 to 100 degrees C. I-tr presented a hysteresis loops during heating-cooling cycles, which were explained by void closure and void reconstruction processes. The corresponding activation energies were measured during reversible film formation process. Void closure and void reconstruction models were introduced to produce the activation energies.

Açıklama

Anahtar Kelimeler

Volume-phase-transition, Photon transmission, Molecular-weight, Poly(methyl methacrylate), Polystyrene particles, Energy-transfer, Void closure, Fluorescence, Interdiffusion, Diffusion, Heating rate, Hydrogels, Hysteresis loops, Light transmission, Polymer films, Polystyrenes, Annealing rates, PNIPAM hydrogels, Polystrene latexes, Reversible film formation, Latexes

Kaynak

Composite Interfaces

WoS Q Değeri

Q3

Scopus Q Değeri

Q2

Cilt

15

Sayı

4

Künye

Uğur, Ş., Yargı, Ö. & Pekcan, M. Ö. (2008). Film formation from PS latex doped PNIPAM hydrogels at various heating and cooling rates. Composite Interfaces, 15(4), 411-424. doi:10.1163/156855408784514748