PREPARATION OF MONODISPERSE POLYSTYRENE/CLAY NANOCOMPOSITE LATEXES VIA IN SITU REVERSE ATOM TRANSFER RADICAL POLYMERIZATION IN A MINIEMULSION SYSTEM

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KHEZRI KH.; HADADIASL V.; ROGHANI MAMAQANI H.; SALAMI KALAJAHI M.

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Journal: PETROLEUM RESEARCH Year:2012 | Volume:22 | Issue:71 Page(s): 14-27

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Title

PREPARATION OF MONODISPERSE POLYSTYRENE/CLAY NANOCOMPOSITE LATEXES VIA IN SITU REVERSE ATOM TRANSFER RADICAL POLYMERIZATION IN A MINIEMULSION SYSTEM

Author(s)

KHEZRI KH. | HADADIASL V. | ROGHANI MAMAQANI H. | SALAMI KALAJAHI M. | Issue Writer Certificate

Keywords

RATRPQ2

POLYSTYRENEQ2

NANOCOMPOSITEQ2

MINIEMULSIONQ2

Abstract

Polystyrene latexes with dispersion of nanoclay layers were synthesized by using in situ MINIEMULSION reverse atom transfer radical polymerization at 90oC. Final monomer conversion was determined by employing gravimetric method and droplet and particle size distributions were obtained by using dynamic light scattering (DLS) analysis. Also, the number- and weight- average molecular weight and polydispersity index of the NANOCOMPOSITEs were evaluated by using GPC. It was found out that the PDI value of the neat POLYSTYRENE is lower than that of the POLYSTYRENE chains extracted from the NANOCOMPOSITEs; PDI rose by increasing nanoclay content in the polymer matrix. The XRD results indicated that clay layers were dispersed in the POLYSTYRENE matrix and therefore exfoliated NANOCOMPOSITEs were formed. The successful formation of POLYSTYRENE chains and their living nature were demonstrated by FTIR spectra. The living nature of the polymerization was also confirmed by the HNMR results. The SEM micrograph presents the monodisperse distribution of spherical particles with sizes in the range of around 200 nm in the NANOCOMPOSITE containing 1 wt% of nanoclay.

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APA: Copy

KHEZRI, KH., HADADIASL, V., ROGHANI MAMAQANI, H., & SALAMI KALAJAHI, M.. (2012). PREPARATION OF MONODISPERSE POLYSTYRENE/CLAY NANOCOMPOSITE LATEXES VIA IN SITU REVERSE ATOM TRANSFER RADICAL POLYMERIZATION IN A MINIEMULSION SYSTEM. PETROLEUM RESEARCH, 22(71), 14-27. SID. https://sid.ir/paper/115181/en

Vancouver: Copy

KHEZRI KH., HADADIASL V., ROGHANI MAMAQANI H., SALAMI KALAJAHI M.. PREPARATION OF MONODISPERSE POLYSTYRENE/CLAY NANOCOMPOSITE LATEXES VIA IN SITU REVERSE ATOM TRANSFER RADICAL POLYMERIZATION IN A MINIEMULSION SYSTEM. PETROLEUM RESEARCH[Internet]. 2012;22(71):14-27. Available from: https://sid.ir/paper/115181/en

IEEE: Copy

KH. KHEZRI, V. HADADIASL, H. ROGHANI MAMAQANI, and M. SALAMI KALAJAHI, “PREPARATION OF MONODISPERSE POLYSTYRENE/CLAY NANOCOMPOSITE LATEXES VIA IN SITU REVERSE ATOM TRANSFER RADICAL POLYMERIZATION IN A MINIEMULSION SYSTEM,” PETROLEUM RESEARCH, vol. 22, no. 71, pp. 14–27, 2012, [Online]. Available: https://sid.ir/paper/115181/en

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