Conducting multiphase block copolymers of polypyrrole with polytetrahydrofuran and polytetrahydrofuran-b-polystyrene

Oztemiz, S; Toppare, LEVENT; Onen, A; Yagci, Y

doi:10.1081/ma-100101093

Conducting multiphase block copolymers of polypyrrole with polytetrahydrofuran and polytetrahydrofuran-b-polystyrene

Atıf İçin Kopyala

Oztemiz S., Toppare L., Onen A., Yagci Y.

JOURNAL OF MACROMOLECULAR SCIENCE-PURE AND APPLIED CHEMISTRY, cilt.37, sa.3, ss.277-291, 2000 (SCI-Expanded)

Yayın Türü: Makale / Tam Makale
Cilt numarası: 37 Sayı: 3
Basım Tarihi: 2000
Doi Numarası: 10.1081/ma-100101093
Dergi Adı: JOURNAL OF MACROMOLECULAR SCIENCE-PURE AND APPLIED CHEMISTRY
Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
Sayfa Sayıları: ss.277-291
Orta Doğu Teknik Üniversitesi Adresli: Evet

Özet

Living bifunctional azo-polytetrahydrofuran (azo-PTHF) was terminated with pyrrolyl potassium salt to yield a polymer with electrochemically active functional end groups. This polymer is further used to synthesize polytetrahydrofuran-polystyrene (PTHF-b-PS-b-PTHF) block copolymer. These polymers are electrochemically blocked with polypyrrole using constant potential electrolysis (PPy/Azo-PTHF and PPy/PTHF-b-PS-b-PTHF). Two different solvent-electrolyte pairs were used during electrolysis. Characterizations of pristine and the blocked copolpolymers are based on Cyclic Voltammetry (CV), Fourier Transform Infrared Spectroscopy (FTIR), Differential Scanning Calorimetry (DSC), Thermal Gravimetry Analysis (TGA), Scanning Electron Microscope (SEM) Nuclear Magnetic Resonance Spectroscopy (NMR) and Gel Permeation Chromatography (GPC). Conductivities were measured using a four-probe technique.