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Film formation from nano-sized polystyrene latex particles

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Date

2005-05

Author

Uğur, Şaziye
Elaissari, Abdelhamid
Pekcan, Mehmet Önder

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Citation

Uğur, Ş., Elaissari, A. & Pekcan, M. Ö. (2005). Film formation from nano‐sized polystyrene latex particles. Polymers for Advanced Technologies, 16(5), 405-412. doi:10.1002/pat.597

Abstract

This work reports on the steady state fluorescence (SSF) technique for studying film formation from surfactant-free, nano-sized polystyrene (PS) latex particles prepared via emulsion polymerization. The latex films were prepared from pyrene M-labeled PS particles at room temperature and annealed at elevated temperatures in 5, 10, 15, 20 and 30 min time intervals above the glass transition temperature (T-g) of PS. During the annealing processes, the transparency of the film was improved considerably. Monomer and excimer fluorescence intensities, I-p and I-E respectively, from P were measured after each annealing step to monitor the stages of film formation. Evolution of transparency of the latex films was monitored by using photon transmission intensity, It,. Void closure and interdiffusion stages were modeled and related activation energies were determined and found to be 10.3 and 50.3 kJ mol(-1). Void closure temperatures, T-v, were determined from the minima of I-tr value. Copyright

Volume

16

Issue

5

URI

https://hdl.handle.net/11729/184
http://dx.doi.org/10.1002/pat.597

Collections

  • FEF - Makale Koleksiyonu | Fizik Bölümü / Department of Physics [147]
  • Scopus İndeksli Makale Koleksiyonu [785]
  • WoS İndeksli Makale Koleksiyonu [807]



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