CONTROLLED/LIVING RADICAL COPOLYMERIZATION OF STYRENE AND METHYL METHACRYLATE IN AQUEOUS DISPERSED MEDIA: SYNTHESIS AND CHARACTERIZATION OF NANOCOMPOSITE

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KHEZRI KH.; HADDADI ASL V.; ROQHANI MAMAQANI H.

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Journal: PETROLEUM RESEARCH Year:2014 | Volume:24 | Issue:78 Page(s): 71-83

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Title

CONTROLLED/LIVING RADICAL COPOLYMERIZATION OF STYRENE AND METHYL METHACRYLATE IN AQUEOUS DISPERSED MEDIA: SYNTHESIS AND CHARACTERIZATION OF NANOCOMPOSITE

Author(s)

KHEZRI KH. | HADDADI ASL V. | ROQHANI MAMAQANI H. | Issue Writer Certificate

Keywords

POLY (STYRENE-CO-METHYL METHACRYLATE)Q2

NANO COMPOSITEQ2

RATRPQ2

MINIEMULSION POLYMERIZATIONQ2

NANOCIAYQ2

Abstract

Stable latexes of poly (styrene-co-methyl methacrylate)/clay NANO COMPOSITEs were synthesized by in-situ reverse atom transfer radical polymerization at 90°C and in miniemulsion system. MINIEMULSION POLYMERIZATION has been employed for its abundant advantages to encapsulate inorganic materials, simple nucleation step, and elimination of organic solvents. Final monomer conversion was determined by gravimetric method. Droplets and particles size distribution were obtained by using dynamic light scattering (DLS) analysis. Also, number and weight average molecular weight and polydispersity indexes of the samples were also evaluated by GPC method. In addition, the PDI value of the neat polymer was smaller than the extracted polymer from NANO COMPOSITEs and in the case of NANO COMPOSITEs it increased by increasing nanoclay content. Mole ration and fractional conversion of each monomer in copolymer chains were estimated by using 1H NMR spectrosco- py. XRD patterns displayed no peak in in-situ synthesized NANO COMPOSITEs which indicates an exfoliated structure of all the NANO COMPOSITEs prepared by this meth- od. FTIR spectra indicate successfully loading of nanoclay in the copolymer ma- trix. SEM micrographs presented a monodisperse distribution of spherical shape particles of poly (styrene-co-methyl methacrylate)/clay NANO COMPOSITE with a size in the range of around 200 nm.

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APA: Copy

KHEZRI, KH., HADDADI ASL, V., & ROQHANI MAMAQANI, H.. (2014). CONTROLLED/LIVING RADICAL COPOLYMERIZATION OF STYRENE AND METHYL METHACRYLATE IN AQUEOUS DISPERSED MEDIA: SYNTHESIS AND CHARACTERIZATION OF NANOCOMPOSITE. PETROLEUM RESEARCH, 24(78), 71-83. SID. https://sid.ir/paper/114582/en

Vancouver: Copy

KHEZRI KH., HADDADI ASL V., ROQHANI MAMAQANI H.. CONTROLLED/LIVING RADICAL COPOLYMERIZATION OF STYRENE AND METHYL METHACRYLATE IN AQUEOUS DISPERSED MEDIA: SYNTHESIS AND CHARACTERIZATION OF NANOCOMPOSITE. PETROLEUM RESEARCH[Internet]. 2014;24(78):71-83. Available from: https://sid.ir/paper/114582/en

IEEE: Copy

KH. KHEZRI, V. HADDADI ASL, and H. ROQHANI MAMAQANI, “CONTROLLED/LIVING RADICAL COPOLYMERIZATION OF STYRENE AND METHYL METHACRYLATE IN AQUEOUS DISPERSED MEDIA: SYNTHESIS AND CHARACTERIZATION OF NANOCOMPOSITE,” PETROLEUM RESEARCH, vol. 24, no. 78, pp. 71–83, 2014, [Online]. Available: https://sid.ir/paper/114582/en

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