Electroinitiated copolymerizations involving indene, styrene, and substituted styrenes

Akbulut, Ural; Eren, Sami; Toppare, Levent

doi:10.1002/pol.1984.130220601

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1985

1994

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Cited by 9 publications

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“…Polymerization: The controlled potential electrolysis (CPE) system was reported in a previous work. 8 The electrolyte was 0.1 M Bu4NBFl and AgOIAg+(O.OlM) was the reference electrode. Both electrodes were 5 cm2 platinum foils.…”

Section: Methodsmentioning

confidence: 99%

Electroinitiated cationic polymerization of isoprene

Akbulut

Toppare

Yurttas

1986

J. Polym. Sci. C Polym. Lett.

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Section: Methodsmentioning

confidence: 99%

Electroinitiated cationic polymerization of isoprene

Akbulut

Toppare

Yurttas

1986

J. Polym. Sci. C Polym. Lett.

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Characterization of electropolymerized graphite fiber–polyacrylamide composites

Iroh

Suhng

Labes

1994

J of Applied Polymer Sci

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SYNOPSISThe synthesis of a series of graphite fiber-polyacrylamide composites was performed electrochemically in dilute sulfuric acid (0.125M) -acrylamide (2M) solution, 1 : 1 sulfuric acid (0.25M) : acetone-acrylamide (2M) solution, and 1 : 1 sulfuric acid (0.25M) : 2-propanol-acrylamide ( 2M) solution, respectively, using graphite fiber bundles as the working electrode. The graphite fiber-polyacrylamide composites, synthesized in a 1 : 1 2-propanol : sulfuric acid-acrylamide solution, were more easily characterized than those synthesized from the sulfuric acid-acrylamide solution that contained no alcohol. Composites that were synthesized in a dilute sulfuric acid solution were, however, more readily crosslinked. ( Fourier transform infrared spectroscopy, FTIR, confirmed the formation of interchain and intrachain imide functional groups after the resin was cured at -200°C.) Polymer weight gain analysis, coupled with surface morphology studies using scanning electron microscopy, showed that the thickness of the coatings, and hence the volume fraction of the resin in the composites, varied linearly with the time of electropolymerization. Scanning electron microscopy revealed an open and folded chain surface structure, which permitted unrestricted permeation of the monomer onto the electrode surface. Differential scanning calorimetry of the electropolymerized resins confirmed a glass transition temperature of between 180 and 207°C.

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