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The Effect Of Potassium Hydroxide On The Polymerization Of Trichlorophenol, Pyrrole And Thiophene By Microwave InitiationUnsal Gungor, Elif Mufide 01 June 2008 (has links) (PDF)
The synthesis of black conducting polymer (CP) and/or crosslinked polymers
(CLP) and/or radical ion polymer (RIP) and/or white polymers (WP) and/or
orange polymer (OP) were achieved by using KOH with TCP, pyrrole and
thiophene via microwave energy in a very short time interval.
Polymerizations were carried out by constant microwave energy with different
time intervals varying from 1 to 25 min / or at constant time intervals with
variation of microwave energy from 90 to 900 watt / or varying the water content
from 0, 0.5 to 5 ml at constant time intervals and microwave energy, or at
constant time interval, water content, microwave energy with variation of
amount of KOH 0.03 mol to 6x10-4 mol. The effects of heating time, microwave
energy, water content and amount of KOH on the percent conversion and the
polymer synthesis were also investigated.White, orange polymers and radical ion polymers were characterized by FTIR
(Fourier Transform Infrared), 1H-NMR (Proton Nuclear Magnetic Resonance),
13C-NMR (Carbon-13 Nuclear Magnetic Resonance), TGA/ FTIR (Thermal
Gravimetric Analysis / Fourier Transform Infrared), DSC (Differential Scanning
Calorimeter), SEM (Scanning Electron Microscope), ESR (Electron Spin
Resonance), GPC (Gel Permeation Chromatography), UV-Vis (UV-Visible
Spectroscopy) and Light Scattering. Conducting and crosslinked polymers were
characterized by FTIR, TGA/ FTIR, DSC, SEM, ESR, XRD (Powder Diffraction
X-Ray) and conductivity.
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Microwave Initiated Polymerization Of Trihalophenyleneoxide And AnilineLevent, Fulya 01 February 2011 (has links) (PDF)
The aim of the study is to synthesize poly(dibromophenyleneoxide) and polyaniline separately applying different microwave energies (90-900 watt), water amounts (1-5 ml) and time intervals (2-10 min) and investigate the effects of these parameters on the percent conversion of the polymers. The synthesis of poly(dibromophenyleneoxide) (P), radical ion polymer (RIP) and crosslinked polymer (CLP) were achieved by using tribromophenol (TBP) and Ca(OH)2 via microwave energy in a very short time interval.
P and RIP were characterized by ATR-FTIR, 1H-NMR, 13C-NMR, TGA-FTIR, ESR, GPC, UV-VIS, DLS and SEM. Crosslinked polymers were characterized by ATR-FTIR and TGA-FTIR and polyaniline was characterized by ATR-FTIR.
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Microwave-assisted Simultaneous Novel Synthesis Of Poly(dibromophenylene Oxide)s, Poly(diiodophenylene Oxide)s (p), Conducting(cp) And/or Crosslinked (clp) And/or Radical Ion Polymers (rip)Celik, Guler (bayrakli) 01 March 2007 (has links) (PDF)
Microwave-assisted novel synthesis of poly(dibromophenylene oxide) or poly(diiodophenylene oxide) (P), conducting polymer (CP) and/or crosslinked polymer (CLP) and/or radical ion polymer (RIP) were achieved simultaneously from lithium, sodium or potassium 2,4,6-bromophenolate or sodium 2,4,6-iodophenolate in a very short time interval.
Polymerizations were carried out by constant microwave energy with different time intervals varying from 1 to 20 min / or at constant time intervals with variation of microwave energy from 70 to 900 watt / or varying the water content from 0.5 to 5 ml at constant time intervals and microwave energy. Poly(dihalophenylene oxide) and radical ion polymers were characterized by FTIR (Fourier Transform Infrared), 1H-NMR (Proton Nuclear Magnetic Resonance), 13C-NMR (Carbon-13 Nuclear Magnetic Resonance), TGA/ FTIR (Thermal Gravimetric Analysis / Fourier Transform Infrared), DSC (Differential Scanning Calorimeter), SEM (Scanning Electron Microscope), ESR (Electron Spin Resonance), GPC (Gel Permeation Chromatography), UV-Vis (UV-Visible Spectroscopy), Light Scattering and Elemental Analysis. Conducting and crosslinked polymers were characterized by FTIR, TGA/ FTIR, DSC, SEM, ESR, XRD (Powder Diffraction X-Ray) and Elemental Analysis.
The effects of heating time, microwave energy and water content on the percent conversion and the polymer synthesis were also investigated.
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