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- W2366826145 abstract "A novel π conjugated polymer material,poly[2 methoxy 5 (3′ methyl)butoxy] p phenylene vinylene(MMB PPV),was synthesized by three step reactions from p methoxyphenol and isoamyl bromide as raw materials through intermediates 1 methoxy 4 (3′ methyl)butoxybenzene and 1,4 bis(chloromethyl) 2 methoxy 5 (3′ methyl)butoxybenzene(Ⅰ).The total yield of final product was 48%.The mole feed ratio in polymerization process was n (Ⅰ)∶ n (potassium tert butoxide)=1∶5.MMB PPV and its intermediates were characterized by 1H NMR,FT IR and elementary analysis.UV Vis absorption spectrum suggests that MMB PPV has marked absorbance at the wavelength ranged from 450 nm to 550 nm.TG curve shows that MMB PPV was decomposed mainly by two steps and the step at 245 ℃ corresponds to decomposition of the polymer.MMB PPV was doped with H 2SO 4,FeCl 3 and I 2 and the conductivity was 0 34,8 5×10 -2 and 4 7×10 -3 S/cm respectively.The optical bandgap, E g ,of MMB PPV was measured by spectrometer and the result of data fitting shows that E g value of MMB PPV was 2 02 eV and 2 07 eV." @default.
- W2366826145 created "2016-06-24" @default.
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- W2366826145 date "2003-01-01" @default.
- W2366826145 modified "2023-09-25" @default.
- W2366826145 title "Synthesis and Properties of Poly[2-methoxy-5-(3′-methyl)butoxy]-p-phenylene Vinylene" @default.
- W2366826145 hasPublicationYear "2003" @default.
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